JVC HR-XVC28BUS Service Manual
  1. Manuals
  2. Brands
  3. JVC Manuals
  4. Voice Recorder
  5. HR-XVC28BUS
  6. Service manual
JVC HR-XVC28BUS Service Manual

JVC HR-XVC28BUS Service Manual

Dvd player & video cassette recorder
Hide thumbs Also See for HR-XVC28BUS:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Service Manual
SERVICE MANUAL
DVD PLAYER & VIDEO CASSETTE RECORDER
3
YD052
2005
HR-XVC28BUC, HR-XVC28BUS,
HR-XVC29SUC, HR-XVC29SUS
For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700(MECHANISM ASSEMBLY).
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22
HR-XVC28BUC, HR-XVC28BUS, HR-XVC29SUC, HR-XVC29SUS [D5PV1]

TABLE OF CONTENTS

COPYRIGHT © 2005 Victor Company of Japan, Limited
No.YD052
2005/3

Advertisement

Table of Contents
loading

Related Manuals for JVC HR-XVC28BUS

Summary of Contents for JVC HR-XVC28BUS

  • Page 1: Table Of Contents

    2005 HR-XVC28BUC, HR-XVC28BUS, HR-XVC29SUC, HR-XVC29SUS HR-XVC28BUC, HR-XVC28BUS, HR-XVC29SUC, HR-XVC29SUS [D5PV1] For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700(MECHANISM ASSEMBLY). TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION GENERAL Power requirement AC 120 V, 60 Hz Power consumption Power on 25 W Power off 2.0 W Temperature ° ° ° ° Operating C to 40 C (41 F to 104 ° ° ° ° Storage C to 60 C (-4 F to140 Operating position...

  • Page 3: Precaution

    SECTION 1 PRECAUTION SAFTY PRECAUTIONS Prior to shipment from the factory, JVC products are strictly in- Consequently, when servicing these products, replace the spected to conform with the recognized product safety and elec- cathode ray tubes and other parts with only the specified trical codes of the countries in which they are to be parts.
  • Page 4 1.1.2 Safety Check after Servicing Examine the area surrounding the repaired location for damage (4) Leakage current test or deterioration. Observe that screws, parts and wires have been Confirm specified or lower leakage current between earth returned to original positions, Afterwards, perform the following ground/power cord plug prongs and externally exposed ac- tests and confirm the specified values in order to verify compli- cessible parts (RF terminals, antenna terminals, video and...
  • Page 5 Preventing static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs. 1.2.1 Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as DVD players.
  • Page 6 Precautions for Service 1.3.1 Handling of Traverse Unit and Laser Pickup (1) Do not touch any peripheral element of the pickup or the actuator. (2) The traverse unit and the pickup are precision devices and therefore must not be subjected to strong shock. (3) Do not use a tester to examine the laser diode.

  • Page 7: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS Different table of feature The following table indicates main different points between models HR-XVC28BUC, HR-XVC28BUS, HR-XVC29SUC and HR- XVC29SUS. HR-XVC28BUC HR-XVC28BUS HR-XVC29SUC HR-XVC29SUS ← ← BODY COLOR BLACK PURE SILVER MP3 PLAYBACK USED NOT USED...
  • Page 8 (3) After cleaning, make sure that the cleaned parts are com- pletely dry before using the cassette tape. User RCU mode Jig RCU mode A/C head Video heads ( not displayed) Fig.2-5a Fig.2-3a User/Jig RCU mode 2.5.2 Lubrication With no need for periodical lubrication, you have only to lubricate 2.3.1 Setting the Jig RCU mode new parts after replacement.

  • Page 9: Disassembly

    SECTION 3 DISASSEMBLY Removing the major parts 3.1.1 Destination of connectors 3.1.3 Disassembly procedure Two kinds of double-arrows in connection tables respectively Step/ Fig. Part Name Point Note show kinds of connector/wires. Loc No. : Flat wire : Wire : Board to board (B-B) 8(S1a) Top cover 3-1d...
  • Page 10 <Note 3c> • When reattaching the Drum assembly, secure the screws (S3c to S3e) in the order of c, d, e. (S3c) (S3e) (S3d) (S3e) Mechanism (S3d) assembly Drum HOOK assembly (S3c) <Note 3c> <NOTE> Attach the Drum assembly appropriately, since the installation state of the Drum assembly influences the FM WAVEFORM LINEARITY greatly.
  • Page 11 (S1a) NOTE 1. Insert direction of FFC WIRE as follows. right side back side (S1a) [1]Top cover (S1a) electrode side supporting side (S1a) 2. FFC WIRE and DRUM FPC WIRE (S1a) should be insert as follows. (S1a) 3.Insert the wire to even the root of connector completely (S3a) at the same time as inserting each wire.
  • Page 12 Loading mechanism assembly 3.2.1 Removing the tray (See Figure 3-2a, Figure 3-2b, Figure 3-2c, Figure 3-2d, Figure 3-2e, Figure 3-2f) (1) Push a of the slide cam on the hole in the right side of the Tray loading base by using a driver until it stops. (See Figure 3- 2a.) (2) The tray comes out.
  • Page 13 3.2.2 Removing the traverse mechanism assembly (See Figure 3-2g) Reverse the loading mechanism assembly. Remove the four Loading mechanism assembly screws B attaching the traverse mechanism assembly. Remove the traverse mechanism assembly upward. Traverse mechanism assembly Fig.3-2g 3.2.3 Removing the elevator (See Figure 3-2h and Figure 3-2j) •...
  • Page 14 3.2.4 Removing the loading motor (See Figure 3-2k and Figure 3-2l) • Prior to the following procedure, remove the tray, the traverse Loading base Belt mechanism assembly, and the elevator. (1) Remove the belt from the pulley. Pulley Slide cam Pulley (2) Remove two screws C attaching the loading motor.

  • Page 15: Adjustment

    SECTION 4 ADJUSTMENT Before adjustment 4.1.4 Color (colour) bar signal,Color (colour) bar pattern 4.1.1 Precaution Color(colour) bar signal [NTSC] Color(colour) bar pattern [NTSC] • The adjustments of this unit include the mechanism com- White(100%) (75%) patibility and electrical adjustments. During the perfor- White(75%) mance of this work, be sure to observe the precautions for each type of adjustment.
  • Page 16 4.2 Mechanism compatibility adjustment (VHS SECTION) Notes: 4.2.2 FM waveform linearity • Although compatibility adjustment is very important, it Signal (A1) • Alignment tape(SP, stairstep, NTSC) [MHP] is not necessary to perform this as part of the normal (A2) • Alignment tape(EP,stairstep,NTSC) [MHP-L] servicing work.
  • Page 17 4.2.4 A/C head phase (X-value) Proper waveform variation Signal (A1) • Alignment tape(SP, stairstep, NTSC) [MHP] (A2) • Alignment tape(EP,stairstep,NTSC) [MHP-L] Mode • PB Equipment • Oscilloscope Measuring point (D) • TP106 (PB. FM) External trigger (E) • TP111 (D.FF) Improper waveform variation Down Adjustment part (F)
  • Page 18 4.3 Electrical adjustment (VHS SECTION) Note: 4.3.1.2 Slow tracking preset The following adjustment procedures are not only necessary Signal (A1) • Ext. input after replacement of consumable mechanical parts or board (A2) • Color (colour) bar signal [NTSC] assemblies, but are also provided as references to be referred Mode (B1) •...
  • Page 19 Electrical adjustment (DVD SECTION) 4.4.1 Test mode setting method (1) Press POWER button to turn off the unit. (2) Press the following remocon keys continuously within 2seconds " SET UP " → " 2 " → " 8 " → " ENTER ". (3) The unit becomes JIG RCU mode.
  • Page 20 4.4.3 Initialization method Please initialize according to the following procedures in the following case: • Just after you upgrade the firmware. • After you confirm the symptoms that a customer points out. First Initialize, and then confirm whether the symptoms are improved or not.
  • Page 21 4.4.6 Upgrading of firmware • Firmware update disc supports CD-R media. • When firmware update is necessary, information is available from the homepage of DIGITAL VIDEO STORAGE CATEGORY, CS group. 4.4.6.1 Creating an update disc Please check the details of the update disc creation method by JS-NET. (1) Down load the update file from JS-NET.

  • Page 22: Troubleshooting

    SECTION 5 TROUBLESHOOTING Manually removing the cassette tape (3) Unload the pole base assembly by manually turning the gear of the loading motor until the pole base assembly is If you cannot remove the cassette tape which is loaded because hidden behind the cassette lid.
  • Page 23 5.3 Emergency display function (VHS SECTION) EMG display of FDP display mode (1) Transmit the code “43-59” from the Jig RCU. This unit saves details of the last two emergencies as the EMG The FDP shows the EMG content in the form of “E:**:**”. history and allows the status of the VCR and the mechanism of each emergency to be shown both on the display and as OSD in- <Example 1>...
  • Page 24 : Sensor information (See sensor information details.) Encoder data GG : Capstan motor speed (See Mechanism mode sequence.) HH : Key code (JVC code) Remote pause : Supply reel winding diameter data higher 8 bits. : Supply reel winding diameter data lower 8 bits.
  • Page 25 5.3.4 EMG content description Note: EMG contents “E09” are for the model with Dynamic Drum (DD). CONTENT CAUSE E01: Loading EMG If the mechanism mode does not change to the next mode within 4 sec- 1. The mechanism is locked in the middle of the mode transition during a tape loading operation. onds after the loading motor starts rotating in the loading direction, while 2.
  • Page 26 5.3.5 EMG detail information <1> *2 : Mechanism operation mode The status (electrical operation mode) of the VCR and the status [Table of MN*] (mechanism operation mode/sensor information) of the mecha- Display Mechanism operation mode nism in the latest EMG can be confirmed based on the figure in Command standby (No command to be executed) EMG detail information <1>...
  • Page 27 3- : Mechanism sensor information *5 : Cassette tape type <1> [Common table of MN* and HD*] Display Cassette tape type <1> Cassette type not identified Mechanism sensor informatio n Large reel/small reel (T-0 to T-15/T-130 to T-210) not classified Display Mechansim Small reel, thick tape (T-120) identified/thin tape (T-140) identified...
  • Page 28 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY DIGITAL VIDEO STORAGE CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan (No.YD052) Printed in Japan...
  • Page 29 DVD PLAYER & VIDEO CASSETTE RECORDER HR-XVC28BUC, HR-XVC28BUS, HR-XVC29SUC, HR-XVC29SUS CD-ROM No.SML200503 HR-XVC28BUC, HR-XVC28BUS, HR-XVC29SUC, HR-XVC29SUS [D5PV1] For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700(MECHANISM ASSEMBLY). COPYRIGHT © 2005 Victor Company of Japan, Limited. No.YD052SCH...
  • Page 30 CHARTS AND DIAGRAMS NOTES OF SCHEMATIC DIAGRAM 4. Voltage measurement 1) Regulator (DC/DC CONV) circuits Safety precautions REC : Colour bar signal. The Components indentified by the symbol PB : Alignment tape (Colour bar). critical for safety. For continued safety, replace safety —...
  • Page 31 CIRCUIT BOARD NOTES 1. Foil and Component sides 1) Foil side (B side) : Parts on the foil side seen from foil face (pattern face) are indicated. 2) Component side (A side) : Parts on the component side seen from component face (parts face) indicated.
  • Page 32 BOARD INTERCONNECTIONS VIDEO/N.AUDIO Page 2-5 SHEET 1 SYSCON Page 2-7 SHEET 2 FMA/DEMOD Page 2-9 SHEET 3 SW.REG Page 2-11 SHEET 4 TUNER Page 2-13 SHEET 5 TERMINAL Page 2-15 SHEET 6...
  • Page 33 Page 2-19 SHEET 8 Page 2-17 Page 2-17 SHEET 7 SHEET 7 p10721001a_rev0...
  • Page 34 MAIN(VIDEO/N.AUDIO) SCHEMATIC DIAGRAM 0.01 0.01 TO FMA/DEMOD SHEET 3 NA_REC NA_PB 2.2k TP111 2.2k C2003 C2004 L2001 R2022 D2001 SW12V TO SYSCON SW5V SHEET 2 FMA_CH1 TO FMA/DEMOD FMA_COM µ SHEET 3 FMA_CH2 R2021 C2005 R2014 390k R2013 C2006 R2015 C2007 0.0068 C2008...
  • Page 35 LP_SHORT[H] SP_SHORT[H] TO SYSCON VIDEO_ENV D.FF SHEET 2 A.MUTE[H] I2C_DATA_A/V I2C_CLK_A/V TP106 TP111 R2023 0.01 R2022 D2001 µ 0.01 R2024 R2007 V.PULSE TO SYSCON S_DET 6.2k SHEET 2 SB_GAIN V_TO_OSD 150p TO TUNER SHEET 5 TO TERMINAL SHEET 6 1.5k 8.2k TO TERMINAL SHEET 6...
  • Page 36 MAIN(SYSCON) SCHEMATIC DIAGRAM TO SW.REG SHEET 4 SW3.3V TO SW.REG AL12V CP3101 SHEET 4 AL5.8V TO TUNER SW12V SHEET 5 SW5V TO SW.REG P.CTL[H] SHEET 4 B3003 TO SW.REG SHEET 4 C3047 C3048 0.01 0.01 TO TUNER SHEET 5 R3320 CN3102 C4007 0.01...
  • Page 37 C3071 CN3001 CP3001 C3056 R3252 R3253 C4031 L4001 CP4001 C4001 R3254 R3255 R4018 C4017 Q3004 R3234 Q4002 C4016 4.7k D3006 R3232 100k R4022 R3233 4.7k C3030 C3029 0.01 D3005 B3001 C3024 C3025 D3004 C4022 0.01 C4025 0.01 C3028 C4006 OPEN R4003 R4021 P4001...
  • Page 38 MAIN(FMA/DEMOD) SCHEMATIC DIAGRAM C2222 AL5.8V TO SW.REG SW5V SHEET 4 SW12V Q2202 Q2201 C6504 C6517 R6502 R2220 0.22 3.3k TO TUNER SHEET 5 RF_AUDIO C6602 C6508 0.022 C6509 C6512 0.022 R2209 C6511 R2211 3.3k FMA_OUT[R] Q2203 C2214 2SD601A/QRS/-X R2210 FMA_OUT[L] 4.7k C6513 F.AUDIO[R]...
  • Page 39 TP2253 C2208 0.015 R2257 680k L2251 JUST_CLK/SW2 0.33 C2259 I2C_DATA R2252 R2251 I2C_CLK 3.3k 4.7k TO SYSCON A.MUTE[H] D2251 SHEET 2 H.REC_ST[H] 0.01 C2257 A.ENV/ND[L] A.FF C2256 0.01 C2255 C2254 K2251 C2253 0.01 C2261 C2262 K2252 FMA_CH2 0.01 C2252 TO VIDEO/N.AUDIO FMA_CH1 K2253 SHEET 1...
  • Page 40 MAIN(SW.REG) SCHEMATIC DIAGRAM LF5002 D5204 D5001 C5213 CN5001 D5201 F5001 T5001 D5213 VA5001 C5001 C5002 R5390 0.068 0.022 R5326 R5394 C5006 D5205 L5201 C5203 33µ C5205 C5210 R5104 C5102 D5206 0.001 R5101 D5301 220k R5392 R5393 R5395 K5102 R5102 R5103 220k D5101 Q5307...
  • Page 41 Q5304 R5310 Q5305 B5303 TO SYSCON D5304 C5302 SHEET 2 AL12V Q5306 TO SYSCON SHEET 2 SW12V B5301 TO FMA/DEMOD SHEET 3 R5395 R5313 R5312 1.2k TO FMA/DEMOD SHEET 3 C5304 Q5308 Q5307 R5311 R5314 C5303 D5305 R5315 AL5.8V TO SYSCON SHEET 2 TO FMA/DEMOD B5393...
  • Page 42 MAIN(TUNER) SCHEMATIC DIAGRAM MAIN(TUNER) R6054 TU6001 1.2k R6051 R6055 4.7k C6054 C6053 C6013 C6012 C6052 100p L6050 SHORT R6050 C6055 R6020 C6020 R6021 C6021 C6006 0.01 L6005 C6005 D6002 I2C_CLK I2C_DATA B6020 TO SYSCON AFC/BS_ANT SHEET 2 TU_V_MUTE[H] JUST_CLK/SW2 CONV.CTL[H] 2-13...
  • Page 43 TO SYSCON SW5V SHEET 2 SW12V RF_AUDIO TO FMA DEMOD SHEET 3 C6532 0.01 R6034 R6030 OPEN 3.3k L6032 R6031 SHORT C6033 OPEN Q6031 CF6031 OPEN Q6030 TO VIDEO/N.AUDIO 2SB709A/QR TU_VIDEO SHEET 1 RF_VIDEO TO TERMINAL SHEET 6 TO VIDEO/N.AUDIO SHEET 1 p20472001a_rev0 SHEET 5...
  • Page 44 MAIN(TERMINAL) SCHEMATIC DIAGRAM TO JACK TO VIDEO/N.AUDIO CN7191 SHEET 1 SHEET 7 LED1 P/EJ TO SYSCON SHEET 2 SW5V SW12V AL5.8V F.AUDIO[L] F.AUDIO[R] A.IN1[L] TO FMA/DEMOD A.IN1[R] SHEET 3 FMA_OUT[L] FMA_OUT[R] DVD_OUT[L] DVD_OUT[R] L7103 µ CN7303 Q7201 L7202 R7206 C7202 Q7202 R7135 R7201...
  • Page 45 TO SYSCON TO TUNER SHEET 2 SHEET 5 L7101 µ R7131 C7109 J7002 J7002 J7002 J7002 µ R7136 C7114 R7134 R7135 C7117 IC7102 R7137 C7126 R7138 C7118 Q7113 R7154 R7182 C7119 C7121 R7155 0.01 R7156 J7004 J7004 J7004 C7122 R7157 IC7104 C7130 R7164...
  • Page 46 DISPLAY AND SWITCH/JACK SCHEMATIC DIAGRAM TO MAIN(SYSCON) CN3102 SHEET 2 Q7001 Q7002 Q7003 Q7004 Q7005 Q7006 Q7007 DI7001 R7041 R7001 R7002 R7003 R7004 R7005 R7006 R7007 D7002 D7006 R7037 R7036 R7033 R7032 R7031 R7035 R7034 4.7k 4.7k 4.7k 4.7k 4.7k 4.7k 4.7k Q7014...
  • Page 47 J7191 IC7002 D7191 D7192 CN7191 C7191 D7006 TO MAIN (TERMINAL) CN7103 SHEET 6 R7042 R7010 R7020 D7001 D7005 R7025 R7023 4.7k 2.2k S7014 S7015 S7012 S7017 S7013 p20474001a_rev0 SHEET 7 2-18...
  • Page 48 DVD SERVO CONTROL AND DECODER SCHEMATIC DIAGRAM P3.3V C372 C306 0.1/16 MDQ9 MDQ5 MDQ10 CN101 S3.3V MDQ4 C101 QGF0523F1-24W 0.1/16 VREFH MDQ11 K101 C102 MDQ3 0.1/16 MDQ12 MDQ2 Q105 UN2119-X MDQ13 R112 MDQ1 MDQ14 R104 R123 R122 MDQ0 R107 R115 LPC2 MDQ15 R101...
  • Page 49 D3.3V IC302 D3.3V LM1117MP-ADJ-X P3.3V D1.2V C373 C374 K304 C375 C376 R310 0.47 C359 0.1/16 R311 DGND EXDAT8 TP325 DGND TP324 TP323 TP322 CN301 TP321 TP320 R307 TP319 R306 TP317 C315 0.1/16 R362 AOUT0 R361 AOUT1 R360 AOUT2 R359 C311 0.1/16 C379 R358...
  • Page 50 DVD FLASH ROM SCHEMATIC DIAGRAM PCMCLK C713 P3.3V K501 IC505 K4S641632H-TC75 C553 22/6.3 C551 0.1/16 MDQ0 MDQ15 R710 C558 MDQ1 0.1/16 MDQ14 R711 MDQ2 MDQ13 AOUT0 R713 LRCLK C559 0.1/16 R712 MDQ3 MDQ12 DACPDN MDQ4 MDQ11 DAC0CS DCLK MDQ5 MDQ10 DDATA MDQ6 MDQ9...
  • Page 51 R716 PCMCLK R719 C715 C713 IC704 IC705 R720 R717 S3.3V D3.3V C714 C712 R701 R702 C704 220/6.3 C502 DGND TP54 IC701 AK4384VT-X IC501 R710 C503 R711 AOUT0 R713 LRCLK R712 C701 0.1/16 R501 DACPDN DAC0CS DCLK R502 DDATA R704 C706 10/16 C707 C912...
  • Page 52 VOLTAGE CHARTS <DISPLAY> <MAIN> <DVD SERVO CONTROL> MODE MODE MODE MODE MODE MODE MODE MODE MODE PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO.
  • Page 53 D SERVO CONTROL> MODE MODE MODE MODE N NO. PIN NO. PIN NO. PIN NO. PIN NO. C201 IC302 IC453 IC505 IC701 C301 IC509 2-24...
  • Page 54 MAIN CIRCUIT BOARD DANGEROUS VOLTAGE <03>MAIN LPB10280-001B J7010 J7009 R7167 FC5002 FC5001 F5001 J7006 C7508 R7170 L7501 C7507 C7503 R7172 C5003 R7501 R5001 B5001 IC7501 R5102 C5104 R5101 CN2001 D5106 K5102 Q5103 R5110 R5104 C5101 D5101 C5107 K5101 D5102 Q5101 R5109 Q7113 R5111...
  • Page 55 CAUTION : FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH SAME TYPE AND RATED FUSE(S). ATTENTION : REPLACER PAR DES FUSIBLE DE MEME TYPE. WR10 J7002 J7005 R7167 J7004 J7008 C7122 R6055 R7131 R7156 C6012 C6054 R7170 C7117 C6053 R7193 C6013 C6052...
  • Page 56 COMPONENT PARTS LOCATION GUIDE <MAIN> LPB10280-001B REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION CAPACITOR C3011 A D 18C C6601 A D 18H IC2201 B C 18J R202 B C 14E R3238 B C 17B R7203 B C 15L C3012...
  • Page 57 CPU PIN FUNCTION <SYSCON IC3001> PIN NO. LABEL IN/OUT FUNCTION PIN NO. LABEL IN/OUT FUNCTION SP_FG DETECTION SIGNAL FOR SUPPLY REEL ROTATION/TAPE REMAIN VDD2 SYSTEM POWER TU_FG DETECTION SIGNAL TAKE-UP REEL ROTATION/TAPE REMAIN AFCC AFC CLOCK(SYNC SEPARATOR FOR OSD/EXTERNAL CIRCUIT FOR AFC) BS_DIGI/COMP_IN NOT USED/A/V COMPULINK INPUT AFCLPF...
  • Page 58 SWITCH/JACK, DISPLAY, DVD BRACKET AND SWITCH CIRCUIT BOARDS <36>SWITCH/JACK LPB10228-001A S7014 <13>DV LPB102 S7015 D7001 J7191 <28>DISPLAY LPB10228-001A R7041 S7012 D7002 R7022 S7001 S7016 S7017 S7011 R7021 S7002 S7006 R7012 R7013 R7014 R7015 R7011 S7004 S7003 S7010 S7005 COMPONENT PARTS LOCATION GUIDE <DISPLAY> LPB10228-001A REF.NO.
  • Page 59 <13>DVD BRACKET LPB10228-001A <98>SWITCH LEB10070-001A S7013 Q7012 Q7008 Q7010 Q7009 Q7011 Q7013 Q7004 Q7006 C7021 Q7002 Q7003 Q7005 Q7007 R7040 R7037 Q7001 Q7014 IC7002 R7002 C7011 DI7001 2-30...
  • Page 60 DVD SERVO CONTROL CIRCUIT BOARD <99> DVD SERVO CONTROL LVB10452-003B -COMPONENT SIDE- CN501 TP54 TP56 TP701 TP57 TP702 TP58 TP704 C910 TP59 TP706 TP60 TP703 TP61 R704 R254 R205 C253 R501 TP331 R207 C206 C208 IC201 TP326 TP330 R208 R204 TP705 TP62 R746...
  • Page 61 <99> DVD SERVO CONTROL LVB10452-003B -FOIL SIDE- R381 R309 R320 C310 C377 IC301 C327 C307 C378 C306 C372 R395 R371 R374 R308 C505 R375 R376 R377 C374 R313 C375 C350 C348 C329 C102 C359 C391 C315 C317 C311 C110 C340 R124 C379 R333...
  • Page 62 VIDEO BLOCK DIAGRAM FMA/DEMOD SYSCON I2C_DATA_AV I2C_CLK_AV V.PULSE IC7104 CLOCK DRIVER CN7302 CCD- CONT MODE CONTROL 75 DRV USED CCD BLOCK KINSEKI MSM7470 Series USED 75 DRV Y-CCD C-CCD Y/COMP 75 DRV USED DVD UNIT CN503 DATA 75 DRV SW51 CB/B 75 DRV SW27...
  • Page 63 MAIN (VIDEO/N. AUDIO, TERMINAL) TP106 PB. FM ( VIDEO & AUDIO USED FILTER USED SIGNAL PROCESSOR ) TP111 D. FF CONT CR DET SYSCON X-TAL 2fsc B-Y INVERT VCO/OSC DOWN D. FF LCVCO D.FF CONV CHROMA KILLER ACC DET DISCRI TANK MESECAM USED...
  • Page 64 AUDIO BLOCK DIAGRAM SW/JACK J7191 CN7191 CN7103 FRONT_IN F.AUDIO[R] AUDIO(L) IC2201 F.AUDIO[L] AUDIO(R) EXT1_IN(R) EXT1_IN(L) TU6001 ANT IN SIF_IN SIF OUT ANT OUT EXT3_IN(L) BS_IN(L) PB_FM _ EXT3_IN(R) PRE_ O BS_IN(R) MUTE_ C LINE_OUT(L) fsc _ LINE_OUT(R) NORMAL_ O NORMAL_IN MUTE CONTROL IC8001...
  • Page 65 MAIN (VIDEO/N. AUDIO, FMA/DEMOD, TERMINAL, TUNER) C2201 AUDIO HEAD FMA_CH1 FMA_CH2 TP2253 A.PB.FM PB_FM_IN SYSCON PRE_OUT H.REC_ST(H) I2C_CLK DATA I2C_DATA MUTE_CTL A.MUTE(H) fsc_IN N.REC_ST(H) NORMAL_OUT N.REC(H) Q2001 POWER SW5V -Q2003 USED USED POWER Q2052-Q2055 FULL ERASE HEAD A.MUTE Q2051 CN2002 SP ON TRANS F.ERASE...
  • Page 66 SYSTEM CONTROL BLOCK DIAGRAM MAIN ( SYSCON, ON SCREEN, SUB CPU ) DRUM MOTOR IC3001 ( SYSTEM CONT X_OUT X3001 MAIN SYSTEM CLOCK (14.32MHz) X_IN 3 in 1 MDA CN3001 CAP MOTOR CAP.M_FG C.FG_IN CAP.M_F/R CAP.M_F/R CAP.M_VCTL CAP_CTL_V LM_F/R/S LM_F/R/S DRUM_PG/FG D.FG_IN DRUM_VCTL...
  • Page 67 C3001 YSTEM CONTROL MICRO PROCESSOR ) X_OUT X_IN AL5V S3001 REC SAFETY SW C.FG_IN REC_SAFETY CAP.M_F/R CAP_CTL_V LM_F/R/S D.FG_IN IC3004 DRUM_CTL_V ( SERIAL MEMORY ) CTL_AMP_OUT CTL_GAIN I2C_CLK I2C_CLK SP_FG I2C_DATA I2C_DATA TUNER TU_FG I2C_CLK START_SENSOR I2C_DATA FMA/DEMOD A.MUTE ( H ) END_SENSOR H.REC_ST ( H ) H.REC_ST(H)
  • Page 68 FDP GRID ASSIGNMENT AND ANODE CONNECTION J6 J7 DIG1 DIG2 DIG3 DIG4 DIG5 CONNECTION Cathode G, J7, H8 Cathode F, J6, H7 Cathode E, J5, H6 Cathode D, J4, H5,H4 Cathode C, J3, H3 Cathode B, J2, H2 Cathode A, J1, H1 Anode H1~H8 Anode J1~J7 Common Anode Digit5...
  • Page 69 WAVE FORMS < VIDEO BLOCK DIAGRAM > TP111 IC1-29 IC1-15 IC1-86 D.FF REC 1.3Vp-p REC 2.9Vp-p / PB 2.2Vp-p REC/PB 3.4Vp-p REC 1.6Vp-p 0.5V/20µsec/DIV 1.0V/20µsec/DIV 1.0V/10msec/DIV 0.5V/20µsec/DIV < AUDIO BLOCK DIAGRAM > TP2253 IC2201-14 IC2201-21 IC1-6 IC1-2 IC2201-57 A.PB_FM REC/PB 30mVp-p REC/PB 0.3Vp-p REC 1.0Vp-p PB 0.6Vp-p...
  • Page 70 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY DIGITAL VIDEO STORAGE CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan (No.YD052) Printed in Japan...
  • Page 71 * BEWARE OF BOGUS PARTS Parts that do not meet specifications may cause trouble in regard to safety and performance. We recommend that genuine JVC parts be used. * (x_) in a description column shows the number of the used part.

  • Page 72: Exploded View Of General Assembly And Parts List

    Exploded view of general assembly and parts list Block No. M1MM VHS MECHANISM ASSY<M2> MAIN BOARD ASSY<03> DVD BRACKET BOARD ASSY<13> 3-2(No.YD052)
  • Page 73 CN2001 A/C HEAD CN7103 CN503 CN501 CN7301 CN7302 CN3102 CN3301 from FRONT PANEL (JACK CN7191) BOTTOM SIDE DISPLAY BOARD ASSY<28> SWITCH/JACK BOARD ASSY<36> NOTE) WHEN YOU FIX ANY PWB WITH THE SCREW. TOP SIDE PUT IT ON THE JIGS. DVD UNIT NOTE) FFC WIRE SHOULD BE POSITIONED FITTING BELLOW CASSETTE DOOR.
  • Page 74 MODEL MARK MODEL MARK HR-XVC28BUC HR-XVC29SUC HR-XVC28BUS HR-XVC29SUS General assembly Block No. [M][1][M][M]  Symbol No. Part No. Part Name Description Local  1 LP10492-021C FRONT PANEL ASSY  1 LP10492-022C FRONT PANEL ASSY LP21188-005B CASSETTE DOOR LP21188-006B CASSETTE DOOR...

  • Page 75: Vhs Mechanism Assembly And Parts List

    VHS mechanism assembly and parts list Block No. M2MM Not used A/C HEAD BOARD ASSY <12> LOADING MOTOR BOARD ASSY <55> PMD0048A-C Classification Part No. Symbol in drawing NOTE:The section marked in AA and BB Grease KYODO-SH-JB indicate lubrication and greasing areas. COSMO-HV56 (No.YD052)3-5...
  • Page 76 MODEL MARK MODEL MARK HR-XVC28BUC HR-XVC29SUC HR-XVC28BUS HR-XVC29SUS VHS mechanism Block No. [M][2][M][M]  Symbol No. Part No. Part Name Description Local LP40097-002E GUIDE POLE CAP NAH0004-001 FULL ERASE HEAD LP30958-001B LOADING GEAR BASE QYTPST2620ZA TAP SCREW M2.6 x 20mm(x2)
  • Page 77 MODEL MARK MODEL MARK HR-XVC28BUC HR-XVC29SUC HR-XVC28BUS HR-XVC29SUS  Symbol No. Part No. Part Name Description Local LP30980-002A CONNECT PLATE LP10403-001C SIDE HOLDER(L) LP10404-001F SIDE HOLDER(R) LP30983-002A LOCK LEVER(L) LP30984-002A LOCK LEVER(R) LP40924-001D TENSION SPRING LP40972-001A EARTH SPRING(1) LP40857-001B EARTH SPRING(2)

  • Page 78: Traverse Mechanism Assembly And Parts List

    DVD Traverse mechanism assembly and parts list Block No. M3MM Grease JVG-31N CFD-4007ZY2 1401C BEND WIRE AT THE PWB EDGE AFTER INSERTING WIRE CN101 CN101 CN201 DVD SERVO CONTROL BOARD ASSY <99> BACK SIDE LETTER SIDE 10 20 63.3mm 0.1mm 3-8(No.YD052)
  • Page 79 MODEL MARK MODEL MARK HR-XVC28BUC HR-XVC29SUC HR-XVC28BUS HR-XVC29SUS DVD Traverse mechanism Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local LV21814-001A MECHA BASE LE20731-002A SPINDLE BASE QYSDST2605M TAP SCREW M2.6 x 5mm(x2) LE40931-001A SHAFT LE40995-001A BAR SPRING...

  • Page 80: Loading Mechanism Assembly And Parts List

    DVD Loading mechanism assembly and parts list Block No. M4MM Grease JVG-31N JVS-1003 Back side (All circumferences) DVD TRAVERSE MECHANISM ASSY<M3> SWITCH BOARD ASSY <98> 3-10(No.YD052)
  • Page 81 MODEL MARK MODEL MARK HR-XVC28BUC HR-XVC29SUC HR-XVC28BUS HR-XVC29SUS DVD Loading mechanism Block No. [M][4][M][M]  Symbol No. Part No. Part Name Description Local LE10275-006A LOADING BASE LE31043-001A PULLEY GEAR LE31042-001A MIDDLE GEAR LE31044-001A IDLE GEAR LE20665-005A SLIDE CAM LE20666-003A ELEVATOR...
  • Page 82 MODEL MARK MODEL MARK HR-XVC28BUC HR-XVC29SUC HR-XVC28BUS HR-XVC29SUS Electrical parts list Main board  Symbol No. Part No. Part Name Description Local Block No. [0][3] Q5102 2SC3576-JVC-T TRANSISTOR  Symbol No. Part No. Part Name Description Local Q5103 2SA1530A/QR/-X TRANSISTOR...
  • Page 83 MODEL MARK MODEL MARK HR-XVC28BUC HR-XVC29SUC HR-XVC28BUS HR-XVC29SUS  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local NCB31CK-104X C CAPACITOR 0.1uF 16V K C2220 QEKJ1EM-106Z E CAPACITOR 10uF 25V M NCB31CK-104X C CAPACITOR 0.1uF 16V K...
  • Page 84 MODEL MARK MODEL MARK HR-XVC28BUC HR-XVC29SUC HR-XVC28BUS HR-XVC29SUS  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C6508 NCB31EK-223X C CAPACITOR 0.022uF 25V K R2211 NRSA63J-332X MG RESISTOR 3.3kΩ 1/16W J...
  • Page 85 MODEL MARK MODEL MARK HR-XVC28BUC HR-XVC29SUC HR-XVC28BUS HR-XVC29SUS  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R3303 NRSA63J-182X MG RESISTOR 1.8kΩ 1/16W J R8006 NRSA63J-272X MG RESISTOR 2.7kΩ 1/16W J...
  • Page 86 MODEL MARK MODEL MARK HR-XVC28BUC HR-XVC29SUC HR-XVC28BUS HR-XVC29SUS Display board  Symbol No. Part No. Part Name Description Local Block No. [2][8] NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J  Symbol No. Part No. Part Name...
  • Page 87 MODEL MARK MODEL MARK HR-XVC28BUC HR-XVC29SUC HR-XVC28BUS HR-XVC29SUS  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R7040 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J Q101 KTA1001/Y/-X TRANSISTOR Q101 or 2SB1424/R/-W TRANSISTOR...
  • Page 88 MODEL MARK MODEL MARK HR-XVC28BUC HR-XVC29SUC HR-XVC28BUS HR-XVC29SUS  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C359 NCB31CK-104X C CAPACITOR 0.1uF 16V K R307 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J...
  • Page 89 MODEL MARK MODEL MARK HR-XVC28BUC HR-XVC29SUC HR-XVC28BUS HR-XVC29SUS  Symbol No. Part No. Part Name Description Local K301 NRSA02J-0R0X MG RESISTOR 0Ω 1/10W J K302 NRSA63J-101X MG RESISTOR 100Ω 1/16W J K303 NRSA63J-101X MG RESISTOR 100Ω 1/16W J K304 NRSA02J-0R0X MG RESISTOR 0Ω...

  • Page 90: Packing Materials And Accessories Parts List

    Packing materials and accessories parts list The instruction manual to be provided with this product will differ according to the destination. Block No. M5MM ADHESIVE TAPE RED CELLOPHANE TAPE POWER CORD POLY BAG GENERAL ASSY<M1> SPEC OF BARCODE 3-20(No.YD052)
  • Page 91 MODEL MARK MODEL MARK HR-XVC28BUC HR-XVC29SUC HR-XVC28BUS HR-XVC29SUS Packing and accessories Block No. [M][5][M][M]  Symbol No. Part No. Part Name Description Local LP31263-044A PACKING CASE LP31263-046A PACKING CASE LP31265-001E CUSHION ASSY LP41038-001A POLY BAG QAM0501-003 RF CABLE ------------ BATTERY...

This manual is also suitable for:

Hr-xvc28bucHr-xvc29sucHr-xvc29sus

Table of Contents