1. Manuals
  2. Brands
  3. JVC Manuals
  4. Projection TV
  5. I Art PRO AV-56WP74
  6. Service manual

JVC AV-56WP74 Service Manual

Rear projection television
Hide thumbs Also See for AV-56WP74:
Table of Contents

Advertisement

Quick Links

Download this manual
SERVICE MANUAL
REAR PROJECTION TELEVISION
4
2003
52105
1
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3
ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-21
4
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-64
AV-48WP74
AV-56WP74
TABLE OF CONTENTS
COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LTD.
,
BASIC CHASSIS
/HA
/HA
AV-48WP74
AV-56WP74
SB3
No.52105
2003/4

Advertisement

Table of Contents
loading

Related Manuals for JVC AV-56WP74

Summary of Contents for JVC AV-56WP74

  • Page 1 AV-48WP74 AV-56WP74 SERVICE MANUAL REAR PROJECTION TELEVISION 52105 2003 AV-48WP74 BASIC CHASSIS AV-56WP74 TABLE OF CONTENTS PRECAUTIONS ............... 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 AV-48WP74 AV-56WP74 SPECIFICATION Contents Items AV-48WP74 AV-56WP74 Dimensions (W x H x D) 120.0cm x 124.4cm x 60.9cm 136.8cm x 138.6cm x 66.7cm ( 47 1/4" x 49" x 24" ) ( 53 7/8" x 54 5/8" x 26 3/8" )

  • Page 3: Precautions

    AV-48WP74 AV-56WP74 SECTION 1 PRECAUTIONS 1.1 SAFETY PRECAUTIONS (10) Isolation Check (Safety for Electrical Shock Hazard)After re-assembling the (1) The design of this product contains special hardware, many circuits product, always perform an isolation check on the exposed metal and components specially for safety purposes. For continued...
  • Page 4 AV-48WP74 AV-56WP74 1.2 INSTALLATION 1.2.1 INSTALLATION SITE (1) The rear of this set is provided with ventilation openings. (more than 5cm) Install the set more than 5 cm from a wall and in a location with good ventilation. (2) Avoid the following types of locations.

  • Page 5: Specific Service Instructions

    AV-48WP74 AV-56WP74 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS 2.1 FEATURES • New chassis design enable use of an interactive on screen control. • 2-3 PULL DOWN : You can enjoy DVD movies at the highest picture quality. • MOTION COMPENSATION : With this function, the seamless reproduction of dynamic motion on the screen has been realized.
  • Page 6 AV-48WP74 AV-56WP74 REMOTE CONTROL UNIT [RM-C1200G] POWER Key ASPECT Key TV CATV VCR DVD POWER ASPECT VCR / DVD Switch MULTI SCREEN SPLIT INDEX EZ SURF TV / CATV Switch Input select Keys FREEZE SWAP SELECT THEATER PRO Key INPUT1...
  • Page 7 AV-48WP74 AV-56WP74 DIGITAL-IN TERMINAL FUNCTIONS PIN ASSIGNMENT Pin name Pin name RX2- RX3+ RX2+ GND2/ 4 RX4- HTPLG RX4+ RX0- RX0+ GND0/5 RX5- RX1- RX5+ RX1+ GNDC GND1/3 TXC+ RX3- TXC- (No.52105)1-7...
  • Page 8 AV-48WP74 AV-56WP74 2.3 TECHNICAL INFORMATION 2.3.1 MAIN MICRO COMPUTER (CPU) FUNCTION (MN102H75K) Pin No. Pin name Function Pin No. Pin name Function CLK SW2 IP clock switch -------- ON_TIM Lighting for ON TIMER /MICON_V V.sync for OSD CONVER_RXD Convergence control...
  • Page 9 AV-48WP74 AV-56WP74 2.4 MAIN PARTS LOCATION 2.4.1 PWB ASS'Y ARRANGEMENT The PWB ASS'Y is indicated below. PWB ASS’Y NAME AV-48WP74 AV-56WP74 MAIN PWB ASS'Y SSB-1070A-M2 SSB-1069A-M2 RECEIVER PWB ASS'Y SSB0R368A-M2 SSB0R368A-M2 MI-COM & DIST MODULE PWB ASS'Y SSB0D070A-M2 SSB0D069A-M2 POWER & DEF PWB ASS'Y...
  • Page 10 AV-48WP74 AV-56WP74 2.5 SCREEN HANDLING CAUTIONS 2.5.1 SCREEN STORAGE Store the SCREEN ASS'Y in a standing position in order to avoid deformation. If the screen is stored horizontally, there is risk of deforming the screen face. When necessary to place the SCREEN ASS'Y horizontally, position the screen side upwards and sure to place spacers between the screen and resting site (floor or stand etc.) to prevent the screen from sagging.
  • Page 11 Fig.2 CAUTION AT DISASSEMBLY 48WP74CP-S : DIGITAL INPUT MODULE [AV-48WP74] 56WP74CP-S : DIGITAL INPUT MODULE [AV-56WP74] Prior to disassembly, unplug the power code from the AC outlet without fail. (Turn the power "off".) Short the SB connector [1] pin and [2] pin of the DIGITAL INPUT MODULE.
  • Page 12 AV-48WP74 AV-56WP74 2.7.7 SCREEN ASS'Y SCREEN ASS'Y • Take out the SPEAKER GRILLE. • Take out the FRONT CONTROL BOX. (1) Remove the 2 screws [ H ] under the SCREEN ASS'Y from front side. (2) Remove 10 screws [ I ] from rear side.
  • Page 13 AV-48WP74 AV-56WP74 2.7.9 REAR PANEL (1) Loosen 7 screws [ K ]. (2) Remove 4 screws [ L ]. (3) Raise slightly REAR PANEL upward. (4) Take out the REAR PANEL. NOTE : • Before the rear panel is inserted into the cabinet, release the short-circuit between the [SB] connector (1) pin and (2) pin of the DIGITAL INPUT UNIT.
  • Page 14 AV-48WP74 AV-56WP74 2.7.12 MAIN UNIT • Take out the SPEAKER GRILLE. • Take out the connector [BH], [R], [BG] on the FRONT CONTROL PWB. MAIN UNIT • Take out the REAR PANEL. (1) Remove 4 screws [ O ] from front side.
  • Page 15 AV-48WP74 AV-56WP74 2.7.14 AV TERMINAL BOARD • Take out the REAR PANEL AV TERMINAL (1) Remove 9 screws [ T ]. BOARD (2) Remove 1 screws [ U ]. (3) Pull out the POWER CORD CLAMP from AV TERMINAL BOARD left side.
  • Page 16 AV-48WP74 AV-56WP74 2.7.17 PROJECTION UNIT • Take out the SPEAKER GRILLE • Take out the FRONT CONTROL BOX • Take out the REAR PANEL PROJECTION UNIT • Take out the MAIN UNIT. (1) Take out the CRT SOCKET PWB. (2) Remove 4 screws [ Z ] attaching the PROJECTION UNIT.
  • Page 17 AV-48WP74 AV-56WP74 2.8 REPLACEMENT OF CHIP COMPONENT 2.8.1 CAUTIONS (1) Avoid heating for more than 3 seconds. (2) Do not rub the electrodes and the resist parts of the pattern. (3) When removing a chip part, melt the solder adequately.
  • Page 18 AV-48WP74 AV-56WP74 2.9 MEMORY IC REPLACEMENT 2.9.1 MEMORY IC SERVICE MENU This memory IC stores data for proper operation of the video and deflection circuits. SERVICE MENU When replacing, be sure to use an IC containing this (initial 1.PICTURE/SOUND 7.CONVER BD value) data.
  • Page 19 AV-48WP74 AV-56WP74 2.9.4 SHIPPING FACTORY SETTING VIDEO STATUS MEMORY (NTSC / 480p) Setting value Item COLOR TINT COLOR PICTURE BRIGHT DETAIL TEMPERATURE STANDARD THEATER HIGH DYNAMIC HIGH GAME HIGH (HD) Setting value Item COLOR TINT COLOR PICTURE BRIGHT DETAIL TEMPERATURE...
  • Page 20 AV-48WP74 AV-56WP74 SHIPPING FACTORY SETTING (USER SETTING) Setting item Setting value Setting item Setting value POWER TINT / COLOR / PICTURE/ Refer to setting of Video status CHANNEL CABLE-02 BRIGHT / DETAIL memory at shipping factory VOLUME setting INPUT COLOR TEMPERATURE HIGH DIG.

  • Page 21: Adjustments

    AV-48WP74 AV-56WP74 SECTION 3 ADJUSTMENTS 3.1 ADJUSTMENT PREPARATION 3.2 ADJUSTMENT EQUIPMENT (1) You can make the necessary adjustments for this unit with (1) DC voltmeter (or digital voltmeter) either the Remote Control Unit or with the adjustment tools (2) Oscilloscope and parts as given below.
  • Page 22 AV-48WP74 AV-56WP74 3.4 ADJUSTMENT LOCATION (1/2) CONVERGENCE OUT PWB FRONT CONTROL PWB FRONT POWER SW POWER SW IC805 IC804 DIGITAL CONVERGENCE MODULE PWB MENU CH - CH + VOL - VOL + INPUT 3 REMOCON SENSOR PWB MI-COM & DIST PWB...
  • Page 23 AV-48WP74 AV-56WP74 3.5 ADJUSTMENT LOCATION (2/2) DIGITAL INPUT MODULE PWB CRT SOCKET PWB M-I COM & DISC MODULE PWB TP-E TP-E TP-E TP-R TP-G TP-B REAR R CRT SOCKET G CRT SOCKET B CRT SOCKET FOCUS PACK CONNECTOR G VM PWB...
  • Page 24 AV-48WP74 AV-56WP74 3.6 BASIC OPERATION OF SERVICE MENU DO NOT ADJUST SERVICE MENU 4.MEMORY SETUP SERVICE MENU ADDRESS(H) 0000 1.PICTURE/SOUND 7.CONVER B 2.YC SEP 8.PP 3.WHITE BALANCE 9.IP 4.MEMORY SETUP 0.GCR 5.RF AFC 6.CONVER A DO NOT ADJUST 1.PICTURE/SOUND 5.RF AFC...
  • Page 25 AV-48WP74 AV-56WP74 3.6.1 TOOL OF SERVICE MENU OPERATION Operate the SERVICE MENU with the REMOTE CONTROL UNIT. 3.6.2 SERVICE MENU ITEMS In general, basic setting (adjustments) items or verifications are performed in the SERVICE MENU. 1.PICTURE / SOUND ..This sets the setting values of the VIDEO,AUDIO and DEFLECTION circuits.
  • Page 26 AV-48WP74 AV-56WP74 3.6.5 SERVICE MENU SETTING 1. PICTURE/SOUND 3. WHITE BALANCE AUDIO, VIDEO, DEFLECTION data adjustment. Adjustment of LOW LIGHT / HIGH LIGHT 1.SETTING ITEM No. 1.SELECT ITEM • Press [CH+] / [CH-] key A : AUDIO 2.SETTING VALUE S : SIGNAL...
  • Page 27 AV-48WP74 AV-56WP74 5. RF AFC 8. PP [Do not adjust] MULTI-PICTURE circuit data setting • Do not adjust (except ADM012~ADM014 : Refer to VIDEO 5.RF AFC ADJUSTMENT page) 8.PP SETTING ITEM No. PPA001~PPA008 PPB001~PPB036 PPC001~PPC008 TUNER PPD001~PPD025 ADM001~ADM034 FINE SETTING VALUE...
  • Page 28 AV-48WP74 AV-56WP74 3.7 INITIAL SETTING VALUE OF SERVICE MENU (1) Adjustment of the SERVICE MENU is made on the basis of the initial setting values; however, the new setting values which set the screen in its optimum condition may differ from the initial setting.
  • Page 29 AV-48WP74 AV-56WP74 DEFLECTION SYSTEM Initial setting value Item Item name Variable range SINGLE PICTURE SPRIT / POP / MULTI (FULL) D01 V. SIZE 000~127 D02 EW 000~063 D03 H. SIZE 000~127 D04 V. SCORE 000~063 D05 V. LINE 000~031 D06 V. CENT 000~127 D07 EW.TRAP...
  • Page 30 AV-48WP74 AV-56WP74 VIDEO SYSTEM ( NTSC / 480i / 480p ) NTSC 480i 480p Item Item name Variable range STANDARD THEATER STANDARD THEATER STANDARD THEATER S01 COLOR 000~255 S02 TINT 000~255 ( 720p / 1080i / HDCP ) 720p / 1080i...
  • Page 31 AV-48WP74 AV-56WP74 ( NTSC / 480i ) NTSC 480i Item Item name Variable range STANDARD THEATER STANDARD THEATER HIGH HIGH HIGH HIGH S10 DRIVE R 000~255 (Not display) -128~+127 S12 DRIVE B 000~255 (Not display) -128~+127 -018 -007 -010 -018...
  • Page 32 AV-48WP74 AV-56WP74 ( 480p / 720p / 1080i ) 480p / 720p / 1080i HDCP Item Item name Variable range STANDARD THEATER STANDARD THEATER S14 CUTOF R 000~255 (Not display) -128~+127 -008 -006 S16 CUTOF G 000~255 (Not display) -128~+127...
  • Page 33 AV-48WP74 AV-56WP74 (HDCP / POP / MULTI ) HDCP Item Item name Variable range 480p 1080i / 720p STANDARD THEATER STANDARD THEATER S33 BRT OFST -128~+127 -004 -003 S34 CNT OFST -128~+127 -003 -005 (SPRIT) SPRIT POP / MULTI Item...
  • Page 34 AV-48WP74 AV-56WP74 (ALL SIGNAL ) Item Item Item name Variable range Initial setting value Item name Variable range Initial setting value (Not display) 000 / 001 S49 OSDR DC 000~127 (Not display) 000 / 001 S50 OSDB DC 000~127 (Not display)
  • Page 35 AV-48WP74 AV-56WP74 Item Item name Variable range CINEMA Except CINEMA F09 AUTO SCR 1 000~015 F10 AUTO SCR 2 000~015 F11 AUTO SCR 3 000~015 F12 AUTO SCR 4 000~015 F13 AUTO SCR 5 000~015 F14 AUTO SCR 6 000~015...
  • Page 36 AV-48WP74 AV-56WP74 3.7.2 [2.YC SEP] (All fixed) Variable Initial setting Item No. Item name NOTE : range value Initial setting value is reference value at following condition. YCM039 (Not display) 000~127 INPUT SIGNAL : NTSC YCM040 (Not display) 000~003 ASPECT...
  • Page 37 AV-48WP74 AV-56WP74 Variable Initial setting Variable Initial setting Item No. Item name Item No. Item name range value range value YCM084 (Not display) 000~063 YCM129 (Not display) 000 / 001 YCM085 (Not display) 000 / 001 YCM130 (Not display) 000~003...
  • Page 38 AV-48WP74 AV-56WP74 Variable Initial setting Variable Initial setting Item No. Item name Item No. Item name range value range value YCM174 (Not display) 000~255 YCS034 (Not display) 000 / 001 YCM175 (Not display) 000 / 001 YCS035 (Not display) 000~255...
  • Page 39 AV-48WP74 AV-56WP74 3.7.3 [3.WHITE BALANCE] Variable Initial setting Item No. Item name range value NOTE : Initial setting value is reference value at following condition. YCS079 (Not display) 000 / 001 INPUT SYGNAL : NTSC YCS080 (Not display) 000~003 ASPECT...
  • Page 40 AV-48WP74 AV-56WP74 Variable Initial setting Variable Initial setting Item No. Item name Item No. Item name range value range value CBA11 GV CLAMP 0 / 1 CBA56 AF5POSV 0~4095 1016 CBA12 BV CLAMP 0 / 1 CBA57 AF5HSIZE 0~255 CBA13...
  • Page 41 AV-48WP74 AV-56WP74 Variable Initial setting Variable Initial setting Item No. Item name Item No. Item name range value range value PPB008 (Not display) 000~255 ADM009 (Not display) 000~0FF PPB009 (Not display) 000~255 ADM010 (Not display) 000~0FF PPB010 (Not display) 000~031...
  • Page 42 AV-48WP74 AV-56WP74 Variable Initial setting Variable Initial setting Item No. Item name Item No. Item name range value range value IPA012 (Not display) 000~03F PPD001 (Not display) 000~0FF IPA013 (Not display) 000~003 PPD002 (Not display) 000~00F IPA014 (Not display) 000~003...
  • Page 43 AV-48WP74 AV-56WP74 Variable Initial setting Variable Initial setting Item No. Item name Item No. Item name range value range value IPA057 (Not display) 000~03F IPA102 (Not display) 000~0FF IPA058 (Not display) 000 / 001 IPA103 (Not display) 000~00F IPA059 (Not display)
  • Page 44 AV-48WP74 AV-56WP74 Variable Initial setting Variable Initial setting Item No. Item name Item No. Item name range value range value IPB025 (Not display) 000~00F IPB070 (Not display) 000~00F IPB026 (Not display) 000~0FF IPB071 (Not display) 000~0FF IPB027 (Not display) 000~00F...
  • Page 45 AV-48WP74 AV-56WP74 Variable Initial setting Variable Initial setting Item No. Item name Item No. Item name range value range value IPC034 (Not display) 000 / 001 IPE001 (Not display) 000~255 IPC035 (Not display) 000 / 001 IPE002 (Not display) 000~255...
  • Page 46 AV-48WP74 AV-56WP74 3.8 ADJUSTMENT PROCEDURE 3.8.1 CHECK ITEMS Measuring Item Test point Adjustment part Description instrument HIGH VOLTAGE Signal CRT Anode (1) Receive NTSC whole black signal. generator check (2) Connect the high voltage meter between CRT anode and GND.
  • Page 47 AV-48WP74 AV-56WP74 3.8.3 FOCUS & BEAM SPOT ADJUSTMENT Measuring Item Test point Adjustment part Description instrument FOCUS & Signal R Def. Yoke (DY) (1) Receive NTSC cross-hatch signal. generator G Def. Yoke (DY) (2) Press [ASPECT] key and select FULL mode.
  • Page 48 AV-48WP74 AV-56WP74 3.8.4 DEFLECTION & CONVERGENCE ADJUSTMENT • The adjustment using the remote control unit is made on the basis of the initial setting values. • The setting values which adjust the screen to the optimum condition can be different from the initial setting values.
  • Page 49 AV-48WP74 AV-56WP74 3.8.4.2 PREPARATION Measuring Item Test point Adjustment part Description instrument SCREEN TILT Signal [1.PICTURE/SOUND] • Confirm correct FOCUS adjustment. generator F62 : Without adjustment (1) Receive NTSC cross-hatch signal. convergence operation (2) Select 1. PICTURE/SOUND from SERVICE MENU.
  • Page 50 (V. CENT). (7) Adjust <D01>, <D05> and <D06> to make A = B (precision ±2mm), and adjust to make C = 55mm (AV-48WP74) / 75mm (AV-56WP74) (8) Press [MUTING] key and memorize the set value. NOTE : Do not adjust <D04> (V. S-CORRECTION), if it is different vertical position after adjust vertical linearity, to adjust vertical position.
  • Page 51 AV-48WP74 AV-56WP74 Measuring Item Test point Adjustment part Description instrument SIDE PIN Signal [1.PICTURE/SOUND] (1) Receive NTSC cross-hatch signal. generator D02 : EW adjustment (2) Select FULL mode with [ASPECT] key. D08 : BOT.CORN (3) Select 1. PICTURE/SOUND from SERVICE MENU.
  • Page 52 AV-48WP74 AV-56WP74 3.8.4.4 CONVERGENCE ADJUSTMENT(1) ••••••• RGB together Measuring Item Test point Adjustment part Description instrument CONVERGENCE Signal [6.CONVER A] NOTE: generator CPA03 : FINE H PHASE Retain the default value of this adjustment. It is not CPA04 : FINE V...
  • Page 53 AV-48WP74 AV-56WP74 3.8.4.5 DEFLECTION ADJUSTMENT(2) ••••••• RGB respectively Measuring Item Test point Adjustment part Description instrument OVERALL Signal [ 6.CONVER A ] NOTE: generator CPA08 : FINE OFF CONVERGENCE Retain the default value of this adjustment. It is not CCA01 : C H CENT...
  • Page 54 AV-48WP74 AV-56WP74 Measuring Item Test point Adjustment part Description instrument OVERALL Signal [ 7.CONVER B ] NOTE: generator CONVERGENCE Perform this adjustment after performing OVERALL adjustment (2) CONVERGENCE adjustment (1). Remote [POINT] (1) Select 7.CONVER B from SERVICE MENU. Then control unit appear green cross-hatch pattern for adjustment.
  • Page 55 AV-48WP74 AV-56WP74 3.8.5 VIDEO ADJUSTMENT Measuring Item Test point Adjustment part Description instrument Signal [1.PICTURE/SOUND] [WHITE BALANCE LOW LIGHT ADJUSTMENT for generator F44 : Image CONVERTER SINGLE SCREEN] adjustment OFFSET (1) Input the 480i (DVD) whole black signal from the...
  • Page 56 AV-48WP74 AV-56WP74 Measuring Item Test point Adjustment part Description instrument Signal [1.PICTURE/SOUND] [WHITE BALANCE LOW LIGHT ADJUSTMENT for generator F44 : Image CONVERTER SPLIT RIGHT SCREEN] adjustment OFFSET (1) Press [SPLIT] key to enter the SPLIT screen mode. Remote F45 : Image adjustment (2) (2) Select STANDARD with [VIDEO STATUS] key.
  • Page 57 AV-48WP74 AV-56WP74 Measuring Item Test point Adjustment part Description instrument RGB CUTOFF Signal TP-R [1.PICTURE/SOUND] (1) Receive NTSC whole black (0%) signal. generator S14: CUTOF R adjustment [R CRT (2) Select STANDARD mode with [VIDEO STATUS] S16: CUTOF G SOCKET PWB] key.
  • Page 58 AV-48WP74 AV-56WP74 Measuring Item Test point Adjustment part Description instrument WHITE Signal [1.PICTURE/SOUND] (1) Receive NTSC black & white pattern signal (color generator BALANCE S14: CUTOF R off). (LOW LIGHT) S16: CUTOF G (2) Select STANDARD mode with [VIDEO STATUS]...
  • Page 59 AV-48WP74 AV-56WP74 Measuring Item Test point Adjustment part Description instrument WHITE Signal [1.PICTURE/SOUND] (1) Receive NTSC black & white signal (color off). generator BALANCE S10: DRIVE R (2) Select STANDARD mode with [VIDEO STATUS] (HIGH LIGHT) S12: DRIVE B key.
  • Page 60 AV-48WP74 AV-56WP74 Measuring Item Test point Adjustment part Description instrument Signal [1.PICTURE/SOUND] (1) Receive NTSC black & white signal. generator CONTRAST S04: CONTRAST (2) Select STANDARD mode with [VIDEO STATUS] adjustment key. Remote (3) The COLOR TEMP is set at the LOW mode.
  • Page 61 AV-48WP74 AV-56WP74 Measuring Item Test point Adjustment part Description instrument SUB COLOR / Signal TP-R [1.PICTURE/SOUND] [ Method of adjustment with measuring instrument ] generator SUB TINT / TP-B S01 : COLOR (1) Receive NTSC color bar signal. B-Y GAIN...
  • Page 62 AV-48WP74 AV-56WP74 Measuring Item Test point Adjustment part Description instrument MTS INPUT Remote [1.PICTURE/SOUND] (1) Select 1.PICTURE / SOUND from SERVICE MENU. control unit LEVEL A01 : IN LEVEL (2) Select <A01> (IN LEVEL). check (3) Verify that<A01> is set at its initial setting value.
  • Page 63 AV-48WP74 AV-56WP74 3.9 HOW TO CHECK THE HIGH VOLTAGE HOLD DOWN CIRCUIT 3.9.1 HIGH VOLTAGE HOLD DOWN CIRCUIT After repairing the high voltage hold down circuit. This circuit shall be checked to operate correctly. 3.9.2 CHECKING OF THE HIGH VOLTAGE HOLD DOWN CIRCUIT (1) Turn the power switch ON.

  • Page 64: Troubleshooting

    AV-48WP74 AV-56WP74 SECTION 4 TROUBLESHOOTING 4.1 SELF CHECK FUNCTIONS • This model has self-check functions that inform of the failure of the TV by detecting abnormality. • Operational state is always monitored and the identified is memorized on the record.
  • Page 65 AV-48WP74 AV-56WP74 Indication Check item Details of detection Method of detection XRAY X-ray radiation protection Operation of X-ray protection circuit. At about 3 seconds after the power is turned D561, D562 : POWER & DEF PWB on, the self-check function starts. If NG is detected for 200ms, the power is turned off automatically.
  • Page 66 AV-48WP74 AV-56WP74 JVC SERVICE & ENGINEERING COMPANY OF AMERICA DIVISION OF JVC AMERICAS CORP. www.jvcservice.com(US Only) JVC CANADA INC. Head office : 21 Finchdene Square Scarborough, Ontario M1X 1A7 (416)293-1311 (No.52105) Printed in Japan 20034WPC...

  • Page 67: Table Of Contents

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 CONTENTS AV-48WP74, AV-56WP74 USING P.W. BOARD ......................2-3 STANDARD CIRCUIT DIAGRAM SEMICONDUCTOR SHAPES ................... 2-3 BLOCK DIAGRAM......................2-5 NOTE ON USING CIRCUIT DIAGRAMS CIRCUIT DIAGRAMS 1.SAFETY Type MAIN PWB CIRCUIT DIAGRAM ........................2-7 The components identified by the...

  • Page 68: Using P.w. Board

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 USING P.W. BOARD AV-48WP74 AV-56WP74 MAIN P.W. BOARD SSB-1070A-M2 SSB-1069A-M2 RECEIVER P.W. BOARD SSB0R368A-M2 ← R CRT SOCKET P.W. BOARD SSB-3168A-M2 ← G CRT SOCKET P.W. BOARD SSB-3268A-M2 ← B CRT SOCKET P.W. BOARD SSB-3368A-M2 ←...

  • Page 69: Block Diagram

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 BLOCK DIAGRAM SPEAKER INPUT R CRT TWEETER MI-COM & DIST MODULE PWB COMP IN SOCKET PWB TU0102 IC0201 AUDIO L/R SPLITTER VIDEO TV-V2 IC201 MAIN MTS/VOL/TONE U/V FRONTEND LSOUT_R IC1101 WOOFER LSOUT_L COM Y IC0501 COIL...
  • Page 70 AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 CIRCUIT DIAGRAMS [RECEIVER UNIT] SHEET 11 SHEET 12 SHEET 12 MAIN PWB CIRCUIT DIAGRAM (1/12) SHEET 1 NOT USE SHEET 5 VOLTAGE (V) PIN NO. Q1101 R1134 TU1101 QAU0303-001 TU1101 R1135 Q1103 Q1102 MAIN C/N_AFT1 Q1102...
  • Page 71 AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 MAIN PWB CIRCUIT DIAGRAM (2/12) SHEET 2 VOLTAGE (V) PIN NO. CN0DC 11.7 CN0SY SHEET 12 SHEET 1 TV_V1 TV_V1 C0603 OPEN C0608 R0606 OPEN CN10DC R0707 DIGITAL INPUT C0701 OPEN R0747 MODULE PWB R0708 OPEN A3.3V...
  • Page 72 AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 MAIN PWB CIRCUIT DIAGRAM (3/12) SHEET 3 J2111 J2111 J2111 D2101 MA8100/M/-X C2102 D2217 NCB31HK-103X MA8100/M/-X R2102 J2111 C2103 QETN1HM-106Z S2_1 R2103 D2220 D2216 C2101 MA8100/M/-X MA8100/M/-X NCB11CK-105X C2104 /5 0 QETN1HM-106Z INPUT-1 R2104 D2215 J2101...
  • Page 73 AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 MAIN PWB CIRCUIT DIAGRAM (4/12) SHEET 4 R2310 C2301 OPEN R2301 OPEN COMY1 COMY1 LC2301 R2302 D2423 QQR1199-001 OPEN OPEN R2303 OPEN C2302 R2304 OPEN NCB11CK-105X COMPB1 SHEET 7 COMPB1 J2131 OPEN D2421 LC2302 R2305 QQR1199-001...
  • Page 74 AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 MAIN PWB CIRCUIT DIAGRAM (5/12) SHEET 5 D1591 D1592 CN100H OPEN OPEN QGF1201C2-13 R1501 SCL0 R1502 SDA0 R1507 SUR_EFCT R1508 SUR_MONO R1504 SUR_SW R1509 BBE_SW FRONT RELAY PWB SHEET 23 R1582 Y_BSDGND SHEET 10 Y_BSDGND IC1502...
  • Page 75 AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 MAIN PWB CIRCUIT DIAGRAM (6/12) SHEET 6 PIN NO. VOLTAGE (V) PIN NO. VOLTAGE (V) IC3001 VOLTAGE (V) VOLTAGE (V) PIN NO. PIN NO. IC3001-7 IC3001-13 IC3001-136 IC3001-137 IC3001-157 IC3001-163 IC3001-169 Q3001 Q3501 Q3002 Q3502 (3.3) Q3003 2.3Vp-p...
  • Page 76 AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 MAIN PWB CIRCUIT DIAGRAM (7/12) SHEET 7 PIN NO. VOLTAGE (V) PIN NO. VOLTAGE (V) PIN NO. VOLTAGE (V) PIN NO. VOLTAGE (V) IC1301 Q1301 Q1302 IC1301-35 IC1301-36 IC1301-38 IC1301-46 IC1301-48 IC1301-50 IC1301-52 IC1301-57 Q1303 1.5Vp-p 1.5Vp-p...
  • Page 77 AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 SHEET 12 MAIN PWB CIRCUIT DIAGRAM (8/12) SHEET 8 L1211 QQL25CK-100Z C1213 QETN1CM-107Z HDCP_H HDCP_H R1217 SHEET 4 OPEN PIN NO. VOLTAGE (V) HDCP_V HDCP_V IC1211 R1218 8.2k SHEET 6 C1216 NCF11CZ-475X SYNC. SEP./ DETECT/ IC1211...
  • Page 78 AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 MAIN PWB CIRCUIT DIAGRAM (9/12) SHEET 9 BASS_MU CN100G QGF1201C2-17 HP_VOL MECA_SW REMO STBVCC ON_TIM POW_LED BS_5V BS_5V STB3.3V STB3.3V FRONT RELAY PWB STB_GND STB_GND SHEET 23 EE_CDS C1853 D1851 OPEN OPEN KEY1 CF1851 OPEN KEY2...
  • Page 79 AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 MAIN PWB CIRCUIT DIAGRAM (10/12) SHEET 10 CN1004-73 SHEET 12 CN1003 QGB1506L1-16 2.8Vp-p CN1GN1 CN1GN2 SCL0 OPEN OPEN DIST BASE BLOCK CN1004-75 C1442 R1421 SDA0 R1423 3.3K D1403 MA111-X B1_POW NECK C1441 OSD_VD OPEN R1422 NECK POWER &...
  • Page 80 AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 MAIN PWB CIRCUIT DIAGRAM (11/12) SHEET 11 SHEET 1 PIN NO. VOLTAGE (V) PIN NO. VOLTAGE (V) IC6001 R6011 R6012 R6013 OPEN R6010 OPEN C1646 C1645 IC1621 OPEN C6002 C6001 R1629 C1630 C6003 R1618 C1623 OPEN...
  • Page 81 AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 MAIN PWB CIRCUIT DIAGRAM (12/12) SHEET 12 POWER & DEF PWB(1/2) LINE FILTER PWB SHEET 11 SHEET 19 SHEET 21 SHEET 10 CN100F F QJB003-044214 CN1001 QGB1506L1-16 Y1821 SHEET 1 D1802 MA111-X SHEET 9 IC1991 STBVCC...

  • Page 82: Receiver Pwb Circuit Diagram

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 RECEIVER PWB CIRCUIT DIAGRAM SHEET 13 FOR TEST CN00S3 QGA2501F1-03 R0117 Q0103 GND1 Q0102 TU0101 R0209 R0210 OPEN AFT2 R0118 R0705 D0701 R0704 Q0702 R0109 3.3K R0706 D0201 D0202 100K MA8082/M/-X MA8082/M/-X GND2 Q0701 R0707 GND1...

  • Page 83: R Crt Socket Pwb Circuit Diagram

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 R CRT SOCKET PWB CIRCUIT DIAGRAM SHEET 14 R CRT SOCKET PWB IC1101 TDA6111Q SSB-3168A-M2 H1101 LC31150-002A R1108 R CRT BC SA L1002 QRC121K-561Z C1104 C1102 QQL26AJ-102Z PICTURE OPEN 0.01 HEATER L1101 R1109 OPEN TUBE OPEN...

  • Page 84: G Crt Socket Pwb Circuit Diagram

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 G CRT SOCKET PWB CIRCUIT DIAGRAM SHEET 15 R CRT SOCKET PWB B CRT SOCKET PWB SHEET 14 SHEET 16 CN2RGK CN2GBK QJB003-062211 QGA2501C5-06Z CN200E G CRT SOCKET PWB QGA2501C1-10 IC2101 TDA6111Q SSB-3268A-M2 Y2003 OPEN H2101...

  • Page 85: B Crt Socket Pwb Circuit Diagram

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 B CRT SOCKET PWB CIRCUIT DIAGRAM SHEET 16 B CRT SOCKET PWB IC3101 TDA6111Q SSB-3368A-M2 H3101 LC31150-002A B CRT BC SA L3101 QQL244K-5R6Z L3002 C3102 C3103 GEND PICTURE C3101 QQL26AJ-102Z 0.01 HEATER TUBE R3109 OPEN D3101...

  • Page 86: Vm Pwb Circuit Diagram

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 VM PWB CIRCUIT DIAGRAM SHEET 17 CN700J QGA2501C5-05Z POWER & DEF FR7001 PWB(1/2) QRZ9021-561 C7001 SHEET 20 R7118 C7114 /160 K7101 CE41492-001Z R7106 R7108 Q7103 1.5k Q7102 OPEN OPEN 2SC1627A/OY/-T R7114 C7105 R7101 1.2k R7109 C7106...

  • Page 87: Def Osc Pwb Circuit Diagram

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 DEF OSC PWB CIRCUIT DIAGRAM SHEET 18 POWER & DEF PWB(1/2) SHEET 19 NOT USE CN010 PIN NO. VOLTAGE (V) PIN NO. VOLTAGE (V) CN0S4 QGB1505K1-35 QGA2501F1-03 IC101 DGND DGND 11.6 R138 OPEN OSD_VD L105 IC163...

  • Page 88: Power & Def Pwb Circuit Diagram

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 POWER & DEF PWB CIRCUIT DIAGRAM(1/2) SHEET19 T921-9 T921-12 T921-14 T921-15 T921-17 T921-22 POWER & DEF PWB(2/2) SHEET 20 60Vp-p 60Vp-p 60Vp-p 24Vp-p 32Vp-p 10Vp-p PROTECT 28V/10V B1_POW Y908 OPEN C998 .0047 AC250V QCZ9074-472 Y905 C993 .0047...
  • Page 89 AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 POWER & DEF PWB CIRCUIT DIAGRAM(2/2) SHEET 20 MAIN PWB DEF OSC PWB IC401-3 IC401-4 IC401-6 IC401-8 IC401-9 IC401-10 SHEET 10 SHEET 18 CN003 QGB1506M1-16 CN010 QGB1505J1-35 100Vp-p 60Vp-p 0.35Vp-p 30Vp-p 30Vp-p 60Vp-p Y585 R404 R405 6.8k...

  • Page 90: Line Filter Pwb Circuit Diagram

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 LINE FILTER PWB CIRCUIT DIAGRAM SHEET 21 CN900W OPEN Y9901 C9903 Y9902 F9901 OPEN 125V LF9901 LF9902 OPEN QMF61U1-7R0-S QQR0972-002 QQR0972-002 QFZ9072-104 C9901 POWER & DEF 125V PWB(1/2) QFZ9072-104 SHEET19 Y9903 CN900B OPEN QGA7901C1-02 CN90PW VA9901...
  • Page 91 AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 CONVERGENCE OUT PWB CIRCUIT DIAGRAM SHEET 22 CN011-2 MICOM & DIST MODULE PWB CN00Y QJB003-114621 H004 5Vp-p LC31881-001A CN011-3 IC804 STK392-110 R828 Q806 2SD601A/QR/-X R831 R829 Q807 2SD601A/QR/-X C819 5Vp-p R830 Q808 R832 2SD601A/QR/-X C818 CN012...

  • Page 92: Front Relay Pwb Circuit Diagram

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 FRONT RELAY PWB CIRCUIT DIAGRAM SHEET 23 REMOCON SENSOR PWB CIRCUIT DIAGRAM SHEET 23 FRONT RELAY PWB SSB0L268A-M2 CN000H PIN NO. VOLTAGE (V) IC8001 QGF1201C2-13 IC8002 IC8001 GP1UM281QK OPEN CN00BH QGA2501C1-13 STB3.3V ONTIMER C4_GND R8002 C8001...

  • Page 93: Front Control Pwb Circuit Diagram

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 FRONT CONTROL PWB CIRCUIT DIAGRAM SHEET 24 FRONT CONTROL PWB SSB0L068A-M2 Y4IN J0401 C0445 QMCC004-C0 1 R0404 Y4IN_GND J0401 C0446 QNZ0438-001 C4IN C4IN_GND R0405 LC0401 LC0403 LC0404 Y0401 R0412 LC0402 R0416 OPEN OPEN R0406 OPEN OPEN...

  • Page 94: Pattern Diagrams

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 PATTERN DIAGRAMS MAIN PWB PATTERN [SOLDER SIDE] D1891 R1656 R6001 C6003 R1702 Q1102 D1894 R1122 R1105 D1671 R1703 Q1103 D1893 C1674 R1690 R1644 R1123 R1104 IC1641 D1670 R6011 C1679 D1892 R1892 R1119 R1679 C1648 C1501 R1671...
  • Page 95 AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 MAIN PWB PATTERN [PARTS SIDE] IC1703 Q1671 TU1101 R1543 C6003 R1675 R1505 C6004 R1691 R1677 C1674 D1667 D1668 R1672 R1671 C6009 Q1673 C6007 C1648 C1679 R1613 IC1502 C1502 Q1672 C1677 C1678 C1104 C6008 C1680 L1101 D1592...

  • Page 96: Receiver Pwb Pattern

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 RECEIVER PWB PATTERN [SOLDER SIDE] RECEIVER PWB PATTERN [PARTS SIDE] CN0701 C0217 C0210 C0218 FRONT FRONT C0219 C0203 C0226 C0201 C0701 C0601 RY0602 C0108 R0607 RY0601 R0610 C0501 C0602 IC0561 C0561 C0531 C0562 C0106 J0501 J0601 No.52105...

  • Page 97: R Crt Socket Pwb Pattern

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 R CRT SOCKET PWB PATTERN B CRT SOCKET PWB PATTERN R3031 R1031 Q3031 Q1031 C1005 C3005 R1006 R3006 C3101 C1101 W1013 W3013 C1102 H3101 C3102 H1101 C3103 C1103 R1105 C3109 R1101 R3101 C3104 C1104 R3105 R3102...

  • Page 98: Vm Pwb Pattern

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 VM PWB PATTERN DEF OSC PWB PATTERN C137 R182 C136 Y002 CL014 C177 R172 R181 Q132 R142 IC162 R133 C167 Q131 C131 C138 R137 R139 C134 R168 Q162 R179 C121 FRONT W306 R178 R177 R186 C171...

  • Page 99: Power & Def Pwb Pattern

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 POWER & DEF PWB PATTERN Q402 D583 CN002 R419 C409 W225 W223 CN001 W224 W628 W451 C410 R416 W222 R957 Y403 D955 W627 W226 Y942 W450 W626 W447 R420 Q401 R402 D973 R418 W445 R428 CN003...

  • Page 100: Line Filter Pwb Pattern

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 LINE FILTER PWB PATTERN FRONT F9901 Y9901 Y9902 C9901 Y9913 Y9904 Y9903 D9914 D9912 R9901 VA9901 D9921 C9921 K9911 R9911 Y9912 CONVERGENCE OUT PWB PATTERN FRONT W401 W403 CN011 CN012 K801 R868 H005 D812 IC806 W419...

  • Page 101: Front Relay Pwb Pattern

    AV-48WP74 AV-48WP74 AV-56WP74 AV-56WP74 FRONT RELAY PWB PATTERN FRONT CONTROL PWB PATTERN D0701 Y0001 R0711 R0706 W0020 W0017 W0014 D0703 W0019 W0016 W0013 W0010 D0704 W0007 S0701 S0707 R0707 W0034 W0033 W0026 W0025 FRONT W0011 W0024 W0010 R0748 R0751 R0750...
  • Page 102 AV-48WP74 AV-56WP74 PARTS LIST CAUTION The parts identified by the symbol are important for the safety . Whenever replacing these parts, be sure to use specified ones to secure the  safety. The parts not indicated in this Parts List and those which are filled with lines --- in the Parts No. columns will not be supplied.
  • Page 103 DIGITAL INPUT MODULE PW BOARD ASS’Y (48WP74CP-S) [AV-48WP74] (56WP74CP-S) [AV-56WP74] ........3-18 DIGITAL CONVERGENCE MODULE PW BOARD ASS’Y (SSB0K070A-M2) [AV-48WP74] (SSB0K069A-M2) [AV-56WP74] ....3-18 MI-COM & DIST MODULE PW BOARD ASS’Y (SSB0D070A-M2) [AV-48WP74] (SSB0D069A-M2) [AV-56WP74] ......3-18 REMOTE CONTROL UNIT PARTS LIST (RM-C1200G-1H) ........................3-18 PACKING ........................................
  • Page 104 AV-48WP74 AV-56WP74 EXPLODED VIEW - 1 AV-48WP74 (AV-56WP74 only) (See Page 3-4) (No.52105)3-3...

  • Page 105: Exploded View Parts List - 1

    AV-48WP74 AV-56WP74 EXPLODED VIEW PARTS LIST - 2  Ref.No. Part No. Part Name Description Local LC31829-001C-A DOOR QYSBSF3012M TAP SCREW 3mm x 12mm(x2) QYSBSF3012M TAP SCREW 3mm x 12mm(x3) LC31883-003A-A CONTROL PANEL LC31749-001A-A LED LENS LC31751-001B-A KNOB AV-48WP74 LC31751-002B-A...
  • Page 106 AV-48WP74 AV-56WP74 FRONT VM PWB (G only) CRT SOCKET PWB (R/G/B) CONVERGENCE OUT PWB DIGITAL CONVERGENCE MODULE RECEIVER PWB MI-COM & DIST DEF OSC PWB MODULE PWB FRONT RELAY PWB T502 DEF & POWER PWB DIGITAL INPUT MODULE PWB MAIN PWB LINE FILTER PWB (No.52105)3-5...

  • Page 107: Printed Wiring Board Parts List

    PRINTED WIRING BOARD PARTS LIST MAIN PW BOARD ASS’Y Ref No. Part No. Part Name Description Local (SSB-1070A-M2) [AV-48WP74] D1705 MA8100/M/-X Z DIODE (SSB-1069A-M2) [AV-56WP74] D1801 1SR35-400A-T2 SI DIODE Ref No. Part No. Part Name Description Local D1802 MA111-X SI DIODE...
  • Page 108 AV-48WP74 AV-56WP74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C1333 NCB31HK-103X C CAPACITOR 0.01uF 50V K C1948 QETN1CM-477Z E CAPACITOR 470uF 16V M C1341 NCB11CK-105X C CAPACITOR 1uF 16V K C1949...
  • Page 109 AV-48WP74 AV-56WP74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C3051 NCB31HK-472X C CAPACITOR 4700pF 50V K R1220 NRSA63J-101X MG RESISTOR 100Ω 1/16W J C3052 NCB31HK-472X C CAPACITOR 4700pF 50V K R1221...
  • Page 110 AV-48WP74 AV-56WP74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R1647 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J R2325 NRSA63J-750X MG RESISTOR 75Ω 1/16W J R1649 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R2328...

  • Page 111: Power & Def Pw Board Ass'y (Ssb-2070A-M2) [Av-48Wp74] (Ssb-2069A-M2) [Av-56Wp74]

    POWER & DEF PW BOARD ASS’Y L1944 QQL26AK-330Z COIL 33uH K L1945 QQL26AK-220Z COIL 22uH K (SSB-2070A-M2) [AV-48WP74] L1946 QQL26AK-220Z COIL 22uH K (SSB-2069A-M2) [AV-56WP74] L1947 QQR1129-003 CHOKE COIL L1948 QQL26AK-100Z COIL 10uH K Ref No. Part No. Part Name Description Local L1949 QQL26AK-220Z...
  • Page 112 AV-48WP74 AV-56WP74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D506 FMV-3FU-F1 SI DIODE C907 QEZ0572-128 E CAPACITOR 1200uF 200V M D521 MTZJ12C-T2 Z DIODE QCZ9054-102 C CAPACITOR 1000pF AC250V Z C908...

  • Page 113: R Crt Socket Pw Board Ass'y (Ssb-3168A-M2)

    AV-48WP74 AV-56WP74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R912 QRT029J-R18 MF RESISTOR 0.18Ω 2W J D3102 1SR124-400A-T2 SI DIODE R913 QRT029J-R18 MF RESISTOR 0.18Ω 2W J R914 QRK126J-681X UNF C RESISTOR 680Ω...

  • Page 114: B Crt Socket Pw Board Ass'y (Ssb-3368A-M2)

    AV-48WP74 AV-56WP74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local SG3001 QAF0056-501Z SURGE ABSORBER 500V M D823 RD33E/B2/-T2 Z DIODE CE42535-001J1 C R T SOCKET D824 RD33E/B2/-T2 Z DIODE SK3001 D825 RD33E/B2/-T2...

  • Page 115: Vm Pw Board Ass'y (Ssb-7268A-M2)

    AV-48WP74 AV-56WP74 REMOCON SENSOR PW BOARD ASS’Y Ref No. Part No. Part Name Description Local (SSB-8068A-M2) R866 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J Ref No. Part No. Part Name Description Local R867 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J L802 QQL521J-470...
  • Page 116 AV-48WP74 AV-56WP74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C117 QTMN1CM-477Z E CAPACITOR 470uF 16V M R174 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J C118 NCB31HK-103X C CAPACITOR 0.01uF 50V K R175...

  • Page 117: Receiver Pw Board Ass'y (Ssb0R368A-M2)

    AV-48WP74 AV-56WP74 RECEIVER PW BOARD ASS’Y (SSB0R368A-M2) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R0109 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J R0110 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J IC0201 CXA2134Q-X R0111...

  • Page 118: Front Control Pw Board Ass'y (Ssb0L068A-M2)

    AV-48WP74 AV-56WP74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local Y0001 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J W0027 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J Y0002 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J W0028...

  • Page 119: Front Relay Pw Board Ass'y (Ssb0L268A-M2)

    Local CN000G QGF1201C2-17 CONNECTOR FFC/FPC (1-17) CN000H QGF1201C2-13 CONNECTOR FFC/FPC (1-13) DIGITAL INPUT MODULE PW BOARD ASS’Y (48WP74CP-S) [AV-48WP74] (56WP74CP-S) [AV-56WP74]  Ref.No. Part No. Part Name Description Local 48WP74CP-S DIGITAL INPUT MODULE PWB AV-48WP74 56WP74CP-S DIGITAL INPUT MODULE PWB AV-56WP74 DIGITAL CONVERGENCE MODULE PW BOARD ASS’Y...

  • Page 120: Packing

    AV-48WP74 AV-56WP74 PACKING PACKING PARTS LIST  Ref.No. Part No. Part Name Description Local LC11252-004A-A PACKING CASE AV-48WP74 LC11252-005A-A PACKING CASE AV-56WP74 LC31759-001B-A BOTTOM CASE AV-48WP74 LC31759-002A-A BOTTOM CASE AV-56WP74 GQ10057-001A-A TOP CUSHION AV-48WP74 GQ10054-001A-A TOP CUSHION AV-56WP74 LC11254-002B-A CUSHION ASSY...

This manual is also suitable for:

Av-48wp74

Table of Contents