JVC AV-28WFT1EPG Service Manual
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JVC AV-28WFT1EPG Service Manual

JVC AV-28WFT1EPG Service Manual

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SERVICE MANUAL
AV-28WFT1EPG
AV-28WFT1EIS
The following items for the A models were changed from those of the B models. Therefore, this service manual
describes only the items which differ from those of the B service manual. For details other than those described in
this manual, please refer to the B service manual(No.51694, Feb. 2000).
■ ■ ■ ■ MODEL DIFFERENCE
A
AV-28WFT1EPG
AV-28WFT1EIS
/A
HOW TO IDENTIFY MODELS
While referring to the illustration given below, identify model name on the rating label affixed to the rear cover.
AV-28WFT1EPG
AV-28WFT1EPS
Rating
LC20780-001A-U
! ! ! !
label
LC20780-002A-U
AV-28WFT1EPG
AV-28WFT1EPS
Indicated
1
COPYRIGHT © 2000 VICTOR COMPANY OF JAPAN, LTD.
COLOUR TELEVISION
/ / / / A
/ / / / A
Supplementary
Model
/ AV-28WFT1EPS
/A
/A
/ AV-28WFT1EKS
/A
/A
/A
LC20080-016A-U
"A"
/ AV-28WFT1EPS
/ AV-28WFT1EKS
AV-28WFT1EPG / AV-28WFT1EPS
AV-28WFT1EIS / AV-28WFT1EKS
AV-28WFT1EIS
/A
AV-28WFT1EIS
"A"
Indicated
AV-28WFT1EPG
AV-28WFT1EPS
AV-28WFT1EKS
AV-28WFT1EIS
BASIC CHASSIS
JK
/ / / / A
/ / / / A
B
Model
AV-28WFT1EKS
/A
LC20091-028A-U
AV-28WFT1EKS
"A"
Indicated
No.51694C
Nov. 2000

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  • Page 1 ■ ■ ■ ■ MODEL DIFFERENCE Model Model AV-28WFT1EPG / AV-28WFT1EPS AV-28WFT1EPG / AV-28WFT1EPS AV-28WFT1EIS / AV-28WFT1EKS AV-28WFT1EIS / AV-28WFT1EKS HOW TO IDENTIFY MODELS While referring to the illustration given below, identify model name on the rating label affixed to the rear cover.
  • Page 2 AV-28WFT1EPG AV-28WFT1EPS AV-28WFT1EIS AV-28WFT1EKS CHANGED ITEMS USING PW BOARD DIFFERENCE TABLE (Page 38) AV-28WFT1EPG AV-28WFT1EPG Model AV-28WFT1EPS AV-28WFT1EKS AV-28WFT1EPS AV-28WFT1EKS AV-28WFT1EIS AV-28WFT1EIS No.51694D No.51694 No.51694 No.51694D PWB ASS’y SJK-1703A-U2 SJK-1905A-U2 MAIN PWB SJK-1702A-U2 SJK-1902A-U2 POWER & DEF. SJK-2506A-U2 SJK-2506A-U2 SJK-2502A-U2...
  • Page 3 AV-28WFT1EPG AV-28WFT1EPS AV-28WFT1EIS AV-28WFT1EKS PARTS DIFFERENCE TABLE AV-28WFT1EPG / AV-28WFT1EPS / AV-28WFT1EIS PRINTED WIRING BOARD PARS LIST MAIN PW BOARD ASS’Y (Page 43) SJK-1703A-U2 PW BOARD No. SJK-1702A-U2 PARTS NAME DESCRIPTION ! Symbol No. PARTS No. PARTS No. NDC21HJ-821X C1726 NDC21HJ-391X C CAP.
  • Page 4 POWER & DEF. PW BOARD ASS’Y(Page 45~46) (2/2) SJK-2506A-U2 PW BOARD No. SJK-2502A-U2 PARTS NAME DESCRIPTION ! ! ! ! Symbol No. PARTS No. PARTS No. T2521 CE42549-001J1 BRIGE COIL Delete QQH0089-001 T2551 QQH0065-002-I2 QQH0898-001 T2561 QQR0898-001 DEF.TRANSF. QQLZ028-501 L2521 QQLZ028-101 CHOKE COIL D2403...
  • Page 5 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL SERVICE MANUAL COLOUR TELEVISION BASIC CHASSIS AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL CONTENTS ! SPECIFICATIONS ････････････････････････････････ ････････････････････････････････ ････････････････････････････････ ････････････････････････････････ ････････････････････････････････ ････････････････････････････････ ････････････････････････････････ ････････････････････････････････ ･ ･ ･ ･ 2 ! SAFETY PRECAUTIONS ････････････････････････････････ ････････････････････････････････ ････････････････････････････････ ････････････････････････････････...
  • Page 6 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL SPECIFICATIONS Content Item AV28S2EKGR AV28S2EIGR AV28S2EKBL AV28S2EIBL Dimensions ( W× × × × H× × × × D ) 800mm×500mm×496mm Mass 41kg TV RF System CCIR ( I ) Colour System PAL / NTSC (Only in EXT mode) Stereo System NICAM ( I ) Teletext System...
  • Page 7 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL ■ ■ ■ ■ 21-pin Euro connector (SCART socket) : EXT-1 / EXT-2 / EXT-3 (P-P= Peak to Peak, S-W= Sync tip to white peak, B-W= Blanking to white peak) Signal Designation Matching Value EXT-1 EXT-2 EXT-3...
  • Page 8 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL SAFETY PRECAUTIONS 1. The design of this product contains special hardware and many have these special safety characteristics are identified in the circuits and components specially for safety purposes. For Parts List of Service Manual. Electrical components having such continued protection, no changes should be made to the original features are identified by shading on the schematics and by (!) design unless authorized in writing by the manufacturer.
  • Page 9 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL FEATURES " By preference, users can select the picture size from REGULAR, " Built-in ECO (ECONOMY, ECOLOGY) MODE. PANORAMIC, FULL, 14:9 ZOOM, 16:9 ZOOM, 16:9 ZOOM SUB In accordance with the brightness in a room, the brightness TITLE modes.
  • Page 10 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL SPECIFIC SERVICE INSTRUCTIONS DISASSEMBLY PROCEDURE REMOVING THE REAR COVER CHECKING THE PW BOARD 1. Unplug the power cord. To check the back side of the PW Board. 2. Remove the 10 screws marked ”A” as shown in the Fig. 1. 1) Pull out the chassis.
  • Page 11 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL SPEAKER FRONT CABINET SPEAKER SOCKET FRONT CONTROL CONTROL BASE CLAW POWER & DEF. PWB AV SEL. PWB CHASSIS MAIN PWB CLAW AV TERMINAL BOARD Fig. 2 SIDE CONTROL JACK ASSEMBLY SPEAKER SPEAKER REAR COVER Fig.
  • Page 12 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL REMOVING THE CRT ! Replacement of the CRT should be performed by 2 or more persons. CRT CHANGE TABLE " After removing the cover, chassis etc., 1. Putting the CRT change table on soft cloth, the CRT change table should also be covered with such soft cloth (shown in Fig.4).
  • Page 13 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL REPLACEMENT OF CHIP COMPONENT ! 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. 4.
  • Page 14 4) Check the setting values of the SYSTEM CONSTANT SET of : STORE : EXIT Table 1. If the value is different, select the setting item with the JVC JK EURO V00 ******** - ***** FUNCTION UP/DOWN key, and set the correct value with the FUNCTION -/+ key.
  • Page 15 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL SETTING VALUES OF SYSTEM CONSTANT SET (TABLE 1) Setting value Setting item Setting content AV28S2EKGR AV28S2EIGR AV28S2EKBL AV28S2EIBL COUNTRY INCH MODEL USER SETTING VALUES (TABLE 2) PICTURE SETTING EXT SETTING EXT SETTING ID : BLACK TINT COOL S-IN : BLACK...
  • Page 16 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL SERVICE ADJUSTMENTS BEFORE STARTING SERVICE ADJUSTMENT 1. There are 2 ways of adjusting this TV: One is with the 7. Preparation for adjustment (presetting): REMOTE CONTROL UNIT and the other is the conventional Unless otherwise specified in the adjustment items, preset the method using adjustment parts and components.
  • Page 17 AV28S2EKGR AV28S2EKBL AV28S2EIGR AV28S2EIBL ADJUSTMENT LOCATIONS SIDE CONTROL JACK PWB FRONT CONTROL PWB FRONT DOWN CN102 F901 MENU POWER SW MAIN PWB POWER&DEF PWB FRONT FRONT CN001 IC701 IC702 MEMORY AV SEL PWB TUNER IC301 CN008 CN009 1pin:B1(TP-91) 2pin:NC 3pin:NC CRT SOCKET PWB (SOLDER SIDE) 4pin:NC...
  • Page 18 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL BASIC OPERATION SERVICE MENU 1. TOOL OF SERVICE MENU OPERATION Operate the SERVICE MENU with the REMOTE CONTROL UNIT. 2. SERVICE MENU ITEMS With the SERVICE MENU, various settings (adjustments) can be made, and they are broadly classified in the following items of settings (adjustments): (1) 1.
  • Page 19 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL SERVICE MENU SERVICE MENU SUB MENU 7. AUTO PROGRAM 1. IF 2. V/C (Do not adjust) 3. AUDIO 4. DEF 5. VSM PRESET 6. VPS 7. AUTO PROGRAM (OFF) 7. AUTO PROGRAM (OFF) 7. AUTO PROGRAM (ON) 1-7 : SELECT : EXIT SUB MENU 1.IF (VCO)
  • Page 20 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL (3) Method of Setting 1) Method of Setting 1.IF [VCO] ① 1 Key ････････････････････････ Select 1.IF. ② The VCO (CW) screen will be displayed in yellow when the AFC voltage is at a certain level and in blue when it is at other levels. ③...
  • Page 21 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL ADJUSTMENTS CHECKING ITEM Measuring Item Test point Adjustment part Description instrument Check of B1 Signal TP-91(B1) 1. Receive any broadcast. TP-E(" " " " ) Power Supply Generator 2. Push the “ZOOM” key and select the FULL mode. [X connector 3.
  • Page 22 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL IF CIRCUIT ADJUSTMENT Measuring Item Test point Adjustment part Description instrument " Under normal conditions, no adjustment is required. Adjustment of Remote control unit 1. Receive any broadcast. 2. Select 1.IF from the SERVICE MENU. 3.
  • Page 23 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL VIDEO / CHROMA CIRCUIT ADJUSTMENT The setting (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. Colour system Initial setting value Setting Item...
  • Page 24 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL Measuring Item Test point Adjustment part Description instrument " The adjustment for Low Light WHITE BALANCE should be Adjustment Signal 2.DRIVE of WHITE generator finished. (R)＊＊＊ " Set the PICTURE MODE to NORMAL. BALANCE (High Light) Remote 1.
  • Page 25 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL Measuring Item Test point Adjustment part Description instrument Adjustment Remote 5.COLOUR [Method of adjustment without measuring instrument] of SUB control unit (PAL / NTSC) COLOURⅠ Ⅰ Ⅰ Ⅰ PAL COLOUR (PAL COLOUR) 1. Receive PAL broadcast. 2.
  • Page 26 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL Measuring Item Test point Adjustment part Description instrument Adjustment Signal TP-47B 5.COLOUR [Method of adjustment using measuring instrument] TP-E(" " " " ) of SUB generator (PAL / NTSC) COLOUR Ⅱ Ⅱ Ⅱ Ⅱ [CRT Oscilloscope SOCKET...
  • Page 27 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL Measuring Item Test point Adjustment part Description instrument Adjustment Remote 6. HUE [Method of adjustment without measuring instrument] control unit SUB HUEⅠ Ⅰ Ⅰ Ⅰ NTSC 3.58 HUE [NTSC 3.58 HUE] 1. Input a NTSC 3.58MHz COMPOSITE VIDEO signal (full field colour bar with 75% white) from the EXT terminal.
  • Page 28 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL DEFLECTION CIRCUIT ADJUSTMENT There are 6 modes of the adjustment ( 1 ) 50Hz mode ( ① ① ① ① PANORAMIC ② ② ② ② FULL ③ ③ ③ ③ REGULAR ④ ④ ④ ④ 14:9 ZOOM ⑤ ⑤ ⑤ ⑤ 16:9 ZOOM ⑥ ⑥ ⑥ ⑥ 16:9 ZOOM SUB TITLE ), ( 2 ) 60Hz mode ( each aspect mode ) ････...
  • Page 29 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL Measuring Item Test point Adjustment part Description instrument Adjustment Signal 1. V- SHIFT [50Hz PANORAMIC mode] generator 1. Receive a circle pattern signal of vertical frequency 50Hz. V-SHIFT 2. Select 4.DEF from the SERVICE MENU. Remote 3.
  • Page 30 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL Measuring Item Test point Adjustment part Description instrument Adjustment of 4.H-CENT. 6. Receive a circle pattern signal. H.CENTER 7. Select 4.H-CENT and set the initial setting value. 8. Adjust H-CENT to make C=D. 9. Press the MENU key and memorize the set value. Adjustment 5.H-SIZE 10.
  • Page 31 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL Measuring Item Test point Adjustment part Description instrument Adjustment Signal 7.TRAPEZ 19. Receive a cross-hatch signal. of TRAPEZ generator 20. Select 7.TRAPEZ with the FUNCTION UP/DOWN key. Remote 21. Set the initial setting value of TRAPEZ with the FUNCTION - or control unit + key.
  • Page 32 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL Measuring Item Test point Adjustment part Description instrument " Adjustment 10. V-S. COR When the vertical linearity has been deteriorated remarkably, of V-S.COR & 11. V-LIN perform the following steps. V.LINEARITY 31. Receive a cross-hatch signal. 32.
  • Page 33 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL H. BLANKING ADJUSTMENT Measuring Item Test point Adjustment part Description instrument 1. Receive the PAL circle pattern signal. Adjustment of H.BLK 2. Select 4.DEF from the SERVICE MENU. H.BLANKING Capacitor 3. Select the aspect [14:9 ZOOM] mode. [On MAIN PWB] 4.
  • Page 34 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL No. 51777...
  • Page 35 VICTOR COMPANY OF JAPAN, LIMITED HOME AV NETWORK BUSINESS UNIT 1106 Heta, Iwai-city, Ibaraki-prefecture, 306-0698, Japan AV28S2EKGR-U #4 AV28S2EKBL-U #4 Printed in Japan AV28S2EIGR-U #4 AV28S2EIBL-U #4 VP 0103 DP2051...
  • Page 36 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL 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. ! P.

  • Page 37: Table Of Contents

    AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL CONTENTS ! ! ! ! USING PW BOARD & REMOTE CONTROL UNIT ･････････････････････････････････････････････････････････････････ ! ! ! ! EXPLODED VIEW PARTS LIST ･･･････････････････････････････････････････････････････････････････････････････ 33, 34 ! ! ! ! EXPLODED VIEW ････････････････････････････････････････････････････････････････････････････････････････････ 33, 35 ! ! ! ! PRINTED WIRING BOARD PARTS LIST AV28S2EKGR / AV28S2EKBL "...

  • Page 38: Exploded View

    AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL EXPORTED VIEW PARTS LIST (1) ! !"#$%&$ '()*+%&$ '()*+%(," -"./)01*0&2 AV28S2EKGR / AV28S2EKBL ! ++3 4533667866398: ;!<%=+;!>?@ A>BCDEC@FG!H ! ++3 4533667866C98: ;!<%=+;!>?@ A>BCDEC@F94H 45I3C6I8663>85 !@?<5<%+JK%-<J A>BCDEC@FG!H 45I3C6I8663985 !@?<5<%+JK%-<J A>BCDEC@F94H 45I3C6C8663>85 4$@$-$4@%E ! 366 453366L8663>8: ;$5>9K%@=+>EEM K2/$%&$363～36C 45I3C63866C>8:...
  • Page 39 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL EXPLODED VIEW PARTS LIST (2) ! !"#$%&$ '()*+%&$ '()*+%(," -"./)01*0&2 AV28S2EKGR / AV28S2EKBL ! B63 JRRS-@DQ3TQCI K=5+=:9@N5O K2/$-MU'5+?>G%@=UJ@-G@ ! 463 SSJ63668663 -@G$5<K4 ! =CLL3 SSV66DQ866C8KC V$B$=!>%E;$ NE@!BK5@OJ0*W+>%<-@+JK!@ ! ++P S%X6IRQ866I >%<-@+JK!@ JYM6663866P> @89!>K-@-+>EEM 5VG96637869 9!>K-@-+E:9+>EEM N×CO 45C67CL8663>8:...
  • Page 40 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL (×4) SOCKET FRONT CONTROL T2551 POWER & DEF. PWB AV SEL. MAIN PWB (×3) SIDE CONTROL (EI MODEL) (EK MODEL) (×10) No.51777...

  • Page 41: Printed Wiring Board Parts List

    AV28S2EKGR / AV28S2EKBL AV28S2EKGR / AV28S2EKBL PRINTED WIRING BOARD PARTS LIST ■ ■ ■ ■ MAIN P.W. BOARD ASS’Y (SJK-1911A-U2) ! EZ,[&\+%&$ '()*+%&$ '()*+%(," -"./)01*0&2 ! EZ,[&\+%&$ '()*+%&$ '()*+%(," -"./)01*0&2 ++++ ++++++++++++++++++++++++++++++++++ + +++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++++++++++++++ + +++++++++++++++++++++++++++++++++++++++++++++ !@EKE=<! !@EKE=<! !3LLP %!E>6CY8IIIT ?G+! II]!+3^36J+++Y...
  • Page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

  • Page 43: Power & Def. Pw Board Ass' Y

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
  • Page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

  • Page 45: Crt Socket Pw Board Ass'y

    AV28S2EKGR / AV28S2EKBL ■ CRT SOCKET P.W. BOARD ASS’Y (SJK-3511A-U2) ! EZ,[&\+%&$ '()*+%&$ '()*+%(," -"./)01*0&2 ! EZ,[&\+%&$ '()*+%&$ '()*+%(," -"./)01*0&2 ++++ ++++++++++++++++++++++++++++++++++ + +++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++++++++++++++ + +++++++++++++++++++++++++++++++++++++++++++++ !@EKE=<! -K<-@ !I36386I %!E>6CY8363T ?G+! 366!+3^36J+++Y ! -CQ63 -IE9>R6 -K<-@+9!K-G@ !I36786Q %!E>6CY8IQCT ?G+! I$Q]!+3^36J+++Y -CQ6C 9M-II?8=I...

  • Page 46: Front Control Pw Board Ass'y

    AV28S2EKGR / AV28S2EKBL ■ SIDE CONTROL P.W. BOARD ASS’Y (SJK-8551A-U2) ! EZ,[&\+%&$ '()*+%&$ '()*+%(," -"./)01*0&2 ! EZ,[&\+%&$ '()*+%&$ '()*+%(," -"./)01*0&2 ++++++++++++++++++++++++++++++++++++++ + +++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++++++++++++++ + +++++++++++++++++++++++++++++++++++++++++++++ =!>%EKE=<! !@EKE=<! SI36386I CE537P6E^S!^8= EK$=!>%EKE=<! !D66386C S!@3C3Y8C73M C76!++3^CJ+++Y SI36P86R CE5PLPP849 EK$=!>%EKE=<! !D63683C %!E>6CY836IT ?G+! 36]!+3^36J+++Y SI3L3 CE>36I7>F^S!^8T...
  • Page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
  • Page 48 AV28S2EKGR / AV28S2EKBL ! EZ,[&\+%&$ '()*+%&$ '()*+%(," -"./)01*0&2 ++++++++++++++++++++++++++++++++++++++ + +++++++++++++++++++++++++++++++++++++++++++++ 5>'>5K=<! 56RPI %5;C35X836LT 5+5>'$ 3";+++3RB+++X 56RPL %59C3VF836IT 5+5>'$ 6$63";+++L6B+++F 56RPR %59C3@F836PT 5+5>'$ 6$3";+++CLB+++F 56RP7 S@=%35?8367X @+5>'$ ++366";+++3RB+++? 56RPD %59C3@F836PT 5+5>'$ 6$3";+++CLB+++F 56RPQ S@=%35?8367X @+5>'$ ++366";+++3RB+++? 56RL6 %-5C3VY8CC3T 5+5>'$ CC61;+++L6B+++Y 56RL3 %59C3VF8LRCT 5+5>'$...
  • Page 49 AV28S2EIGR / AV28S2EIBL AV28S2EIGR / AV28S2EIBL PRINTED WIRING BOARD PARTS LIST ■ ■ ■ ■ MAIN P.W. BOARD ASS’Y (SJK-1711A-U2) ! EZ,[&\+%&$ '()*+%&$ '()*+%(," -"./)01*0&2 ! EZ,[&\+%&$ '()*+%&$ '()*+%(," -"./)01*0&2 ++++ ++++++++++++++++++++++++++++++++++ + +++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++++++++++++++ + +++++++++++++++++++++++++++++++++++++++++++++ !@EKE=<! !@EKE=<! !3LLC %!E>6CY83CPT ?G+! 3C6]!+3^36J+++Y...
  • Page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
  • Page 51 AV28S2EIGR / AV28S2EIBL ! EZ,[&\+%&$ '()*+%&$ '()*+%(," -"./)01*0&2 ! EZ,[&\+%&$ '()*+%&$ '()*+%(," -"./)01*0&2 ++++++++++++++++++++++++++++++++++++++ + +++++++++++++++++++++++++++++++++++++++++++++ ++++ ++++++++++++++++++++++++++++++++++ + +++++++++++++++++++++++++++++++++++++++++++++ 5>'>5K=<! 53D7R %59C3VF836CT 5+5>'$ 36661;+++L6B+++F K53L63 >%LPP3E>8J K53LL3 4>RL3L K$5$N?<%<8>%>O 53D77 %59C3@F836PT 5+5>'$ 6$3";+++CLB+++F K53R63 =>DCPR>V K$5$NVM9!K-O 53D7D %59C3VF836CT 5+5>'$ 36661;+++L6B+++F K53R67 9>6L=...
  • Page 52 AV28S2EIGR / AV28S2EIBL ■ ■ ■ ■ AV SEL. P.W. BOARD ASS’Y (SJK0S711A-U2) ! EZ,[&\+%&$ '()*+%&$ '()*+%(," -"./)01*0&2 ! EZ,[&\+%&$ '()*+%&$ '()*+%(," -"./)01*0&2 ++++++++++++++++++++++++++++++++++++++ + +++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++++++++++++++ + +++++++++++++++++++++++++++++++++++++++++++++ !@EKE=<! !@EKE=<! !6I3L %!E>6CY836CT ?G+! 3]!+3^36J+++Y !636386D %!E>6CY87L6T ?G+! 7L!+3^36J+++Y !6I3R %!E>6CY83CCT ?G+! 3$C]!+3^36J+++Y...
  • Page 53 AV28S2EIGR / AV28S2EIBL ! EZ,[&\+%&$ '()*+%&$ '()*+%(," -"./)01*0&2 ! EZ,[&\+%&$ '()*+%&$ '()*+%(," -"./)01*0&2 ++++++++++++++++++++++++++++++++++++++ + +++++++++++++++++++++++++++++++++++++++++++++ ++++ ++++++++++++++++++++++++++++++++++ + +++++++++++++++++++++++++++++++++++++++++++++ 5>'>5K=<! =!>%EKE=<! S6363 -=5ICI=F8T -KGK$=!>%EKE=<! 563PL8PR S@=%35?8367X @+5>'$ ++366";+++3RB+++? S636C CE>36I7>F^S!^8T EK$=!>%EKE=<! 563P7 S@=%35?8P77X @+5>'$ ++P76";+++3RB+++? S636I -=5ICI=F8T -KGK$=!>%EKE=<! 563PQ %59C3VF836IT 5+5>'$ 6$63";+++L6B+++F...
  • Page 54 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL REMOTE CONTROL UNIT PARTS LIST ! !"#$%&$ '()*+%&$ '()*+%(," -"./)01*0&2 +++ +++++++++++++++++++++++++++++++++ ++++++++++++++++++++ ++++++++++++++++++++++++++++++ C>>6I67II 9>==@!M+5<B@! C>>6I67P6 E4K-@+5<B@! +++ +++++++++++++++++++++++++++++++++ ++++++++++++++++++++ ++++++++++++++++++++++++++++++ No. 51777...
  • Page 55 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL PACKING (×4) PACKING PARTS LIST ! !"#$%&$ '()*+%&$ '()*+%(," -"./)01*0&2 +++ +++++++++++++++++++++++++++++++++ ++++++++++++++++++++ +++++++++++++++++++++++++++++ AV28S2EKGR / AV28S2EKBL >@?366C867P8@ '>5FK%G+5>E@ >@?36LC863R8@ @:!<+4>9@4 A>BCDEC@FG!H >@?36LC863L8@ @:!<+4>9@4 A>BCDEC@F94H 453363C866C>8: 5:EVK<%+>EEM P1/.+02+3."* >@?36P7866C8@ '<4M+9>G >@?P6Q38663>8: '!<=@5=+EV@@= !?85LL835 !@?<5<%+:%K= >@?I6C3866C8@ '<4M+9>G ! ++D...
  • Page 56 AV28S2EKGR / AV28S2EKBL AV28S2EIGR / AV28S2EIBL No. 51777...
  • Page 57 AV28S2EKGR AV28S2EKBL AV28S2EIGR AV28S2EIBL SCHEMATIC DIAGRAMS COLOUR TELEVISION BASIC CHASSIS AV28S2EKGR AV28S2EKBL AV28S2EIGR AV28S2EIBL CD-ROM No.SML200103 CONTENTS NOTE ON USING CIRCUIT DIAGRAMS････････････････････････････････ ･････････････ 2-1 ････････････････････････････････ ････････････････････････････････ ････････････････････････････････ ･････････････ ･････････････ ･････････････ SEMICONDUCTOR SHAPES････････････････････････････････ ･･････････････････････ 2-2 ････････････････････････････････ ････････････････････････････････ ････････････････････････････････ ･･････････････････････ ･･････････････････････ ･･････････････････････ BLOCK DIAGRAM････････････････････････････････...
  • Page 58 AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EKGR/AV28S2EKBL AV28S2EIBL AV28S2EIBL SIDE CONTROL PWB PATTERN AV28S2EIGR/AV28S2EIBL STANDARD CIRCUIT DIAGRAM n NOTE ON USING CIRCUIT DIAGRAMS œType 1. SAFETY No indication :Ceramic capacitor The components identified by the    symbol and shading are :Mylar capacitor :Metalized mylar capacitor critical for safety.
  • Page 59 AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EIBL AV28S2EIBL CONTENTS FRONT CONTROL PWB PATTERN SEMICONDUCTOR SHAPES                                       ...
  • Page 60 AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EIBL AV28S2EIBL BLOCK DIAGRAM SP L TU001 TUNER MAIN PWB SP R SC_R/G/B JACK SC_YS MAIN PWB IC302 IC701 TV_L/R RGB SW IC602 (2/2) " " TV_R TV_V " IC601 L4/R4 TV_L L/R1 IC603 "$ EXT-1 POWER...

  • Page 61: Circuit Diagrams Main Pwb Circuit Diagram

    AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EIBL AV28S2EIBL CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM MAIN PWB ASS'Y (1/2) SJK-1911A-U2(AV28S2EKGR/EKBL) SJK-1711A-U2(AV28S2EIGR/EIBL) DIFFERENT LIST 1911A-U2 1711A-U2 No.51777 No.51777...
  • Page 62 AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EIBL AV28S2EIBL DIFFERENCE LIST 1911A-U2 1711A-U2 MAIN PWB ASS'Y (2/2) SJK-1911A-U2 (AV28S2EKGR/EKBL) SJK-1711A-U2 (AV28S2EIGR/EIBL) No.51777 No.51777...

  • Page 63: Power & Def Pwb Circuit Diagram

    AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EIBL AV28S2EIBL POWER & DEF PWB CIRCUIT DIAGRAM 16.9K .047 AC275V QQH0089-002-I2 1/4W 4.7 1/2W FR .011 .0028 POWER & DEF. PWB ASS'Y SJK-2511A-U2 No.51777 2-10 No.51777...

  • Page 64: Sjk0S911A-U2

    AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EIBL AV28S2EIBL AV SEL. PWB CIRCUIT DIARAM AV SEL PWB ASS'Y SJK0S911A-U2(AV28S2EKGR/EKBL) SJK0S711A-U2(AV28S2EIGR/EIBL) No.51777 No.51777 2-11 2-12...

  • Page 65: Front Control Pwb Circuit Diagram

    AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EIBL AV28S2EIBL FRONT CONTROL PWB CIRCUIT DIAGRAM SIDE CONTROL PWB CIRCUIT DIAGRAM FRONT CTRL PWB ASS'Y SIDE CTRL PWB ASS'Y SJK-8511A-U2 SJK-8551A-U2 No.51777 2-13 2-14 No.51777...

  • Page 66: Crt Socket Pwb Circuit Diagram

    AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EIBL AV28S2EIBL CRT SOCKET PWB CIRCUIT DIAGRAM CRT SOCKET PWB ASS'Y SJK-3511A-U2 No.51777 No.51777 2-15 2-16...

  • Page 67: Pattern Diagrams

    AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EIBL AV28S2EIBL PATTERN DIAGRAMS MAIN PWB PATTERN FRONT No.51777 2-17 2-18 No.51777...

  • Page 68: Power & Def Pwb Pattern

    AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EIBL AV28S2EIBL POWER & DEF PWB PATTERN FRONT TP-E TP-91(B1) No.51777 No.51777 2-19 2-20...

  • Page 69: Av Sel. Pwb Pattern

    AV28S2EKGR AV28S2EKGR AV28S2EKBL AV28S2EKBL AV28S2EIGR AV28S2EIGR AV28S2EIBL AV28S2EIBL AV SEL. PWB PATTERN CRT SOCKET PWB PATTERN No.51777 2-21 2-22 No.51777...
  • Page 70 VICTOR COMPANY OF JAPAN, LIMITED HOME AV NETWORK BUSINESS UNIT 1106 Heta, Iwai-city, Ibaraki-prefecture, 306-0698, Japan Printed in Japan VP 0103 DP2051...

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