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JVC AV-28BH8ENS Service Manual
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JVC AV-28BH8ENS Service Manual

JVC AV-28BH8ENS Service Manual

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SERVICE MANUAL
AV-28BH8ENS / AV-28BH8ENB
AV-28BH8EPS / AV-28BH8EPB
AV-28BH8EES / AV-28BH8EEB
The following item for the AV-28BH8 series models were changed partly from AV28BH7 series
models.
Therefore, this service manual describes only the parts list of the AV28BH7 series models.
For details other than those described in this manual, please refer to the AV28BH7 series model
service manual (No.51967, Apr. 2002).
■ OUTLINE
Since the black mute for PR(channel) was changed (AV-28BH8 series) and the 3D PANORAMA was
added (AV-28BH88EN), we have issued this service manual.
CONTENTS
! MAIN DIFFERENCE LIST ････････････････････････････････
! PARTS LIST ････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････
････････････････････････････････
1
COLOUR TELEVISION
AV-28BH88EN
･･･････････････････････････････････････････････････････
････････････････････････････････
････････････････････････････････
COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
･･･････････････････････ 2
･･･････････････････････
･･･････････････････････
･･････････････････････････････････
････････････････････････････････
････････････････････････････････
AV-28BH8ENS / AV-28BH8ENB
AV-28BH8EPS / AV-28BH8EPB
AV-28BH8EES / AV-28BH8EEB
AV-28BH88EN
･･ 3
･･ ･･
No.52086
Sep. 2002

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Summary of Contents for JVC AV-28BH8ENS

  • Page 1 AV-28BH8ENS / AV-28BH8ENB AV-28BH8EPS / AV-28BH8EPB AV-28BH8EES / AV-28BH8EEB AV-28BH88EN SERVICE MANUAL COLOUR TELEVISION AV-28BH8ENS / AV-28BH8ENB AV-28BH8EPS / AV-28BH8EPB AV-28BH8EES / AV-28BH8EEB AV-28BH88EN The following item for the AV-28BH8 series models were changed partly from AV28BH7 series models. Therefore, this service manual describes only the parts list of the AV28BH7 series models.
  • Page 2 AV-28BH8ENS / AV-28BH8ENB AV-28BH8EPS / AV-28BH8EPB AV-28BH8EES / AV-28BH8EEB AV-28BH88EN MAIN DIFFERENCE LIST Parts No. AV-28BH8ENS AV-28BH8ENB Parts name AV-28BH8EPS AV-28BH88EN AV-28BH8EPB AV-28BH8EES AV-28BH8EEB VE-20106737 [ENS] VE-20106737 [ENB] ! MAIN PWB VE-20106734 [EPS] VE-20105619 VE-20106734 [EPB] VE-20106738 [EES] VE-20106738 [EEB]...
  • Page 3 ! EXPLODED VIEW ･････････････････････････････････････････････････････････････････････････････････････････ ! PRINTED WIRING BOARD PARTS LIST [ AV-28BH8ENS / AV-28BH8ENB ] " MAIN P.W. BOARD ASS'Y･･････････････････････････････････････････････････････････････････････････････････････ " MULTISOUND P.W. BOARD ASS’Y (Common to all models) ･･･････････････････････････････････････････････････････ " FEATURE BOX P.W. BOARD ASS’Y (Common to all models) ･･････････････････････････････････････････････････････...
  • Page 4 AV-28BH8ENS / AV-28BH8ENB AV-28BH8EPS / AV-28BH8EPB AV-28BH8EES / AV-28BH8EEB AV-28BH88EN EXPLODED VIEW PARTS LIST [ SILVER model : AV-28BH8ENS, AV-28BH8EPS, AV-28BH8EES, AV-28BH88EN ] ! Ref.No. Part No. Part Name Description ! V01 VE-30002754 PICTURE TUBE ! L01 VE-30002728 DEG.COIL & EARTH...
  • Page 5 AV-28BH8ENS / AV-28BH8ENB AV-28BH8EPS / AV-28BH8EPB AV-28BH8EES / AV-28BH8EEB AV-28BH88EN EXPLODED VIEW FRONT AV & FRONT HEADPHONE CONTROL TR202 MAIN PWB No. 52086...
  • Page 6 AV-28BH8ENS / AV-28BH8ENB PRINTED WIRING BOARD PARTS LIST [ AV-28BH8ENS / AV-28BH8ENB ] MAIN P.W. BOARD ASS’Y (VE-20106737) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description VARIABLE RESISTOR RESISTOR VR127 VE-30001041 ADJ RES.
  • Page 7 AV-28BH8ENS / AV-28BH8ENB [ AV-28BH8ENS / AV-28BH8ENB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR CAPACITOR R512 VE-30000464 SMD RES. 1/10W 100R J C100 VE-30000098 MKT CAP. 3.3NF 63V J...
  • Page 8 AV-28BH8ENS / AV-28BH8ENB [ AV-28BH8ENS / AV-28BH8ENB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR CAPACITOR C253 VE-30000294 SMD CAP. 100NF 50V K C916 VE-30016654 SMD CAP. 100NF 16V K R...
  • Page 9 AV-28BH8ENS / AV-28BH8ENB [ AV-28BH8ENS / AV-28BH8ENB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description DIODE D126 VE-30001284 DIODE IC202 VE-30001506 D127 VE-30001284 DIODE IC302 VE-20105601 (MEMORY) D128 VE-30001284 DIODE IC304 VE-20098889 PR.IC.
  • Page 10 AV-28BH8ENS / AV-28BH8ENB [ AV-28BH8ENS / AV-28BH8ENB ] MULTISOUND P.W. BOARD ASS’Y (VE-20103705 : Common to all models) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR CAPACITOR R501 VE-30000475 SMD RES.
  • Page 11 AV-28BH8ENS / AV-28BH8ENB [ AV-28BH8ENS / AV-28BH8ENB ] FEATURE BOX P.W. BOARD ASS’Y ! Symbol No. Part No. Part Name Description (VE-20055386 : Common to all models) ! Symbol No. Part No. Part Name Description CAPACITOR RESISTOR C630 VE-30000294 SMD CAP.
  • Page 12 AV-28BH8ENS / AV-28BH8ENB [ AV-28BH8ENS / AV-28BH8ENB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR CAPACITOR R133 VE-30000659 SMD RES. 1/10W 330R J C054 VE-30000228 SMD CAP. 27PF 50V J CH...
  • Page 13 AV-28BH8ENS / AV-28BH8ENB [ AV-28BH8ENS / AV-28BH8ENB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description TRANSISTOR CAPACITOR Q001 VE-30001454 C905 VE-30000209 SMD CAP. 18PF 50V J Q002 VE-30001454 C906 VE-30000294 SMD CAP.
  • Page 14 AV-28BH8ENS / AV-28BH8ENB [ AV-28BH8ENS / AV-28BH8ENB ] FRONT CONTROL P.W. BOARD ASS’Y (VE-20082481 : Common to all models) ! Symbol No. Part No. Part Name Description RESISTOR VE-30000689 CF RES. 1/4W 3.9K J VE-30000526 CF RES. 1/4W 1.5K J VE-30000770 CF RES.
  • Page 15 AV-28BH8EPS / AV-28BH8EPB PRINTED WIRING BOARD PARTS LIST [ AV-28BH8EPS / AV-28BH8EPB ] MAIN P.W. BOARD ASS’Y (VE-20106734) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description VARIABLE RESISTOR RESISTOR VR127 VE-30001041 ADJ RES. 1/6W 1K M VER R236 VE-30000718...
  • Page 16 AV-28BH8EPS / AV-28BH8EPB [ AV-28BH8EPS / AV-28BH8EPB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR RESISTOR R445 VE-30000814 SMD RES. 1/10W 820R J R955 VE-30012657 SMD RES. 1/16W 1K J R446 VE-30000469 SMD RES.
  • Page 17 AV-28BH8EPS / AV-28BH8EPB [ AV-28BH8EPS / AV-28BH8EPB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR CAPACITOR C212 VE-30000137 MKP CAP. 15NF 630V J C821 VE-30000309 SMD CAP. 2.2NF 50V K R C213 VE-30007215 MKP CAP.
  • Page 18 AV-28BH8EPS / AV-28BH8EPB [ AV-28BH8EPS / AV-28BH8EPB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description DIODE TRANSISTOR D103 VE-30007768 DIODE Q900 VE-30001458 D104 VE-30007768 DIODE Q901 VE-30001457 D105 VE-30007768 DIODE Q902 VE-30001457 D106 VE-30007758...
  • Page 19 AV-28BH8EES / AV-28BH8EEB PRINTED WIRING BOARD PARTS LIST [ AV-28BH8EES / AV-28BH8EEB ] MAIN P.W. BOARD ASS’Y (VE-20106738) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description VARIABLE RESISTOR RESISTOR VR127 VE-30001041 ADJ RES. 1/6W 1K M VER ! R237 VE-30001244...
  • Page 20 AV-28BH8EES / AV-28BH8EEB [ AV-28BH8EES / AV-28BH8EEB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR CAPACITOR R512 VE-30000464 SMD RES. 1/10W 100R J C100 VE-30000098 MKT CAP. 3.3NF 63V J R513 VE-30000457 SMD RES.
  • Page 21 AV-28BH8EES / AV-28BH8EEB [ AV-28BH8EES / AV-28BH8EEB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR CAPACITOR C253 VE-30000294 SMD CAP. 100NF 50V K C916 VE-30016654 SMD CAP. 100NF 16V K R C254 VE-30000360 EL CAP.
  • Page 22 AV-28BH8EES / AV-28BH8EEB [ AV-28BH8EES / AV-28BH8EEB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description DIODE D126 VE-30001284 DIODE IC202 VE-30001506 D127 VE-30001284 DIODE IC302 VE-20105598 (MEMORY) D128 VE-30001284 DIODE IC304 VE-20098889 PR.IC.
  • Page 23 AV-28BH88EN PRINTED WIRING BOARD PARTS LIST [ AV-28BH88EN ] MAIN P.W. BOARD ASS’Y (VE-20105619) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description VARIABLE RESISTOR RESISTOR VR127 VE-30001041 ADJ RES. 1/6W 1K M VER ! R237 VE-30001244 FUSE RES.
  • Page 24 AV-28BH88EN [ AV-28BH88EN ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR CAPACITOR R512 VE-30000464 SMD RES. 1/10W 100R J C100 VE-30000098 MKT CAP. 3.3NF 63V J R513 VE-30000457 SMD RES. 1/10W 10R J C101 VE-30000371...
  • Page 25 AV-28BH88EN [ AV-28BH88EN ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR CAPACITOR C253 VE-30000294 SMD CAP. 100NF 50V K C916 VE-30016654 SMD CAP. 100NF 16V K R C254 VE-30000360 EL CAP. 1000UF 25V M C917 VE-30016654...
  • Page 26 AV-28BH88EN [ AV-28BH88EN ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description DIODE D126 VE-30001284 DIODE IC202 VE-30001506 D127 VE-30001284 DIODE IC302 VE-20105617 (MEMORY) D128 VE-30001284 DIODE IC304 VE-20098889 PR.IC. (MICOM) D201 VE-30001291 DIODE IC401...
  • Page 27 AV-28BH8ENS / AV-28BH8ENB AV-28BH8EPS / AV-28BH8EPB AV-28BH8EES / AV-28BH8EEB AV-28BH88EN PACKING PACKING PARTS LIST ! Ref.No. Part No. Part Name Description VE-50031251 CARTON BOX [AV-28BH8ENS] VE-50030576 CARTON BOX [AV-28BH8ENS(for Italy)] VE-50031318 CARTON BOX [AV-28BH8ENB] VE-50030581 CARTON BOX [AV-28BH8EPS] VE-50030579 CARTON BOX...
  • Page 28 VICTOR COMPANY OF JAPAN, LIMITED HOME AV NETWORK BUSINESS UNIT 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama, Kanagawa-prefecture, 221-8528, Japan Printed in Japan 0209 WPC DP2051...

  • Page 29: Table Of Contents

    AV28 BH7 ENS / AV28BH7ENB AV28 BH7 EPS / AV28BH7EPB AV28 BH7 EES / AV28BH7EEB SERVICE MANUAL COLOUR TELEVISION AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB CONTENTS ! SPECIFICATIONS ･････････････････ ･･････････ ･･･ ･･ ･･･････ ･･････････ ･･････････ ･･ ･･･ ･･ ･･･ ･･ ････ ････ ･･ ････ ････ ･･ ･･ ･･･...

  • Page 30: Specifications

    AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB SPECIFICATIONS Content Item AV28BH7ENS AV28BH7EPS AV28BH7EES AV28BH7ENB AV28BH7EPB AV28BH7EEB Dimensions (W x H x D) 77cm × 58cm × 48cm Mass 33.2 kg TV RF System B/G, L/L’ B/G, D/K, K1 TV Mode PAL / SECAM PAL / SECAM...
  • Page 31 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB ■ ■ ■ ■ 21-pin Euro connector (SCART socket) : EXT 1 / EXT 2 (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...

  • Page 32: Safety Precautions

    AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB SAFETY PRECAUTIONS 1. The design of this product contains special hardware, many 9. Isolation Check circuits and components specially for safety purposes. For (Safety for Electrical Shock Hazard) continued protection, no changes should be made to the original After re-ass embling the product, always perform an isolation design unless authorized in writing by the manufacturer.

  • Page 33: Features

    BUTTON ON/OFF VE-20083491 VE-20069016 VE-20083491 VE-20069016 VE-20083491 VE-20069016 BUTTON ASS’Y VE-20083490 VE-20081484 VE-20083490 VE-20081484 VE-20083490 VE-20081484 BASE VE-20078582 VE-20081578 VE-20078582 VE-20081578 VE-20078582 VE-20081578 SHASSIS FRAME VE-20004005 VE-20040575 VE-20004005 VE-20040575 VE-20004005 VE-20040575 LOGO JVC VE-40009154 VE-40009152 VE-40009154 VE-40009152 VE-40009154 VE-40009152 No.51967...

  • Page 34: Specific Service Instructions

    AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB SPECIFIC SERVICE INSTRUCTIONS DISASSEMBLY PROCEDURE REMOVING THE REAR COVER 1. Remove the 8 screws marked A. 2. Remove the 4 screws marked B. 3. Withdraw the rear cover toward you. REMOVING THE MAIN PWB "...
  • Page 35 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB (×8) (×4) REAR COVER FRONT CABINET MAIN PWB (×2) (×4) (×2) (×2) (×4) SPEAKER SPEAKER (×5) (TWEETER) FRONT AV + FRONT CONT ROL HEADPHONE JACK No.51967...
  • Page 36 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB SETTING OF THE LAST MEMORY FOR SHIPMENT ■ ■ ■ ■ USER SETTING VALUES Setting Item Setting Value Setting Item Setting Value SOUND MENU FEATURE MENU BASS CENTER SLEEP TIMER ↑ TREBLE CHILD LOCK ↑...

  • Page 37: Service Adjustments

    AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB SERVICE ADJUSTMENTS ADJUSTMENT PREPARATION 1. You can make the necessary adjustments for this unit with 6. Never touch any adjustment parts whic h are not specified in the either the Remote Control Unit or With the adju stment tools list for this adjustment - variable res istors, transformers, and par ts as given below.
  • Page 38 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB BASIC OPERATION SERVICE MENU ■ ■ ■ ■ HOW TO ENTER THE SERVICE MODE Press the INFORMATION key and MUTING key of REMOTE CONTROL UNIT key NAME REMOTE CONTROL UNIT simultaneously, and the SERVICE MENU screen of Fig.1 will be displayed.
  • Page 39 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB ■ ■ ■ ■ SELECTION OF ADJUSTMENT ITEMS Press the COLOR key and s elect the service menu s ection. Select the ADJUST Item, us e UP ( ) / DOWN( key of remote c ontrol unit.
  • Page 40 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB ■ ADJUSTMENT SERVICE MENU & INITIAL SETTING VALUE ADJUSTMENT ITEM DESCRIPTION INITIAL VALUE V-SHIFT VERTICAL SHIFT CORRECTION V-SIZE VERTICAL SIZE CORRECTION 0038 H-SHIFT HORIZONTAL SHIFT CORRECTION 1224 H-SIZE HORIZONTAL SHIFT CORRECTION S-COR S-CORRECTION LINRT...
  • Page 41 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB ■ ■ ■ ■ ADJUSTMENT SERVICE MENU & INITIAL SETTING VALUE (Do not Adjust) ADJUSTMENT ADJUSTMENT ITEM DESCRIPTION INITIAL VALUE GROUP PIP CNTRST Adjust the c ontrast of the picture inside the PIP window. Adjust the luminance delay (with res pec t to c olour) of the picture PIP Y Delay inside the PIP window.
  • Page 42 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB ADJUSTMENTS ■ ■ ■ ■ DEFLECTION CIRCUIT Measuring Item Test point Ad justment part Description instrument Signal Receive a PAL BG signal at 60dBμV RF signal level. adjustment gener ator Select AGC with the UP/DOWN ( / ) key. Adjust AGC by pressing with the LEFT/RIGHT ( / ) key till Remote voltage at pin9 of PL202 is equal to 3.0V...
  • Page 43 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB Measuring Item Test point Ad justment part Description instruments H-SHIFT Signal H-SHIFT Receive a c ircle pattern s ignal. adjustment gener ator Select H-SHIFT with the UP/DOWN ( / ) key. Adjust H-SHIFT with the LEFT/RIGHT ( / ) key to make Remote C= D.
  • Page 44 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB Measuring Item Test point Ad justment part Description instruments Signal S-COR Receive a cross-hatch signal. S-CORRECT. gener ator Select S-COR with the UP/DOWN ( / ) key. & LINEARITY Adjust S-COR with the LEFT/RIGHT ( / ) key till the size LINRT adjustment Remote...
  • Page 45 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB Measuring Item Test point Ad justment part Description instruments Signal Receive a cross-hatch signal. adjustment gener ator Select BOW with the UP/DOWN ( / ) key. Adjust BOW with the LEFT/RIGHT ( ) key and the Remote vertical line straight.
  • Page 46 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB Measuring Item Test point Ad justment part Description instrument SIDE PIN Signal PARAB Receive a cross-hatch signal. adjustment gener ator Select PARAB with the UP/DOWN ( / ) key. Adjust PARAB with the LEFT /RIGHT ( / ) key till vertic al Remote lines close to the both sides of the picture frame become control unit...
  • Page 47 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB ■ ■ ■ ■ VIDEO CIRCUIT Measuring Item Test point Ad justment part Description instrument WHITE Signal Receive a black & white signal. BALANCE gener ator Select WdR, WdG and WdB with the UP/DOWN ( / ) key. adjustment Adjust WdR, WdG and WdB with the LEFT/RIGHT ( / ) Remote...
  • Page 48 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB [MEMO] No. 51967...
  • Page 49 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB PARTS LIST CONTENTS ! USING PW BOARD & REMOTE CONTROL UNIT ･･･････ ･････････････ ･･･････････････････ ･････････････ ･･ ! EXPLODED VIEW PARTS LIST ･･･････ ･････････････ ････････････ ･･･････ ･････････････ ･･･････････････････ ･･･ ! EXPLODED VIEW ･･･････...

  • Page 50: Exploded View Parts List

    VE-20084616 BACK COVER VE-20087523 BACK DOOR VE-35000216 SCREW (X8) VE-35000214 SCREW (X4) VE-40009154 LOGO JVC [ BLACK model : AV28BH7ENB, AV28BH7EEB, AV28BH7EPB ] ! Ref.No. Part No. Part Name Description ! V01 VE-30002754 PICTURE TUBE (ITC) ! L01 VE-30002728 DEG.COIL & EARTH...

  • Page 51: Exploded View

    AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB EXPLODED VIEW FRONT AV + FRONT HEADPHONE JACK CO NTROL TR202 MAIN PWB No. 51967...

  • Page 52: Printed Wiring Board Parts List

    AV28BH7ENS / AV28BH7ENB PRINTED WIRING BOARD PARTS LIST [ AV28BH7ENS / AV28BH7ENB ] MAIN P.W. BOARD ASS’Y (VE-20084580) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR RESISTOR R101 VE-30000668 SMD RES. 1/10W 33K J R245 VE-30000466...
  • Page 53 AV28BH7ENS / AV28BH7ENB [ AV28BH7ENS / AV28BH7ENB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR CAPACITOR R804 VE-30000475 SMD RES. 1/10W 10K J C107 VE-30000263 SMD CAP. 56PF 50V J R805 VE-30000534 SMD RES.
  • Page 54 AV28BH7ENS / AV28BH7ENB [ AV28BH7ENS / AV28BH7ENB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR TRANSF C324 VE-30000294 SMD CAP. 100NF 50V K ! TR101 VE-30016819 SMPS TRF C333 VE-30000294 SMD CAP.
  • Page 55 AV28BH7ENS / AV28BH7ENB [ AV28BH7ENS / AV28BH7ENB ] MULTISOUND P.W. BOARD ASS’Y(VE-30017302) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description DIODE RESISTOR D218 VE-30001291 DIODE R501 VE-30000475 SMD RES. 1/10W 10K J D219 VE-30001291 DIODE...
  • Page 56 AV28BH7ENS / AV28BH7ENB [ AV28BH7ENS / AV28BH7ENB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR CAPACITOR C501 VE-30000407 EL CAP. 470UF 16V M C630 VE-30000294 SMD CAP. 100NF 50V K C502 VE-30000294 SMD CAP.
  • Page 57 AV28BH7ENS / AV28BH7ENB [ AV28BH7ENS / AV28BH7ENB ] FEATURE BOX P.W. BOARD ASS’Y (VE-30013755) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR RESISTOR R001 VE-30000659 SMD RES. 1/10W 330R J R134 VE-30000659 SMD RES.
  • Page 58 AV28BH7ENS / AV28BH7ENB [ AV28BH7ENS / AV28BH7ENB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR TRANSISTOR C056 VE-30000232 SMD CAP. 270PF 50V J Q001 VE-30001454 C057 VE-30000265 SMD CAP. 560PF 50V J Q002 VE-30001454 C058...
  • Page 59 AV28BH7ENS / AV28BH7ENB [ AV28BH7ENS / AV28BH7ENB ] FRONT CONTROL P.W. BOARD ASS’Y ! Symbol No. Part No. Part Name Description (VE-30017014) CAPACITOR ! Symbol No. Part No. Part Name Description C902 VE-30000294 SMD CAP. 100NF 50V K C903 VE-30000075 MKT CAP.
  • Page 60 AV28BH7EPS / AV28BH7EPB PRINTED WIRING BOARD PARTS LIST [ AV28BHT7EPS / AV27BH7EPB ] MAIN P.W. BOARD ASS’Y (VE-20084599) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR RESISTOR R101 VE-30000668 SMD RES. 1/10W 33K J R242 VE-30000784...
  • Page 61 AV28BH7EPS / AV28BH7EPB [ AV28BHT7EPS / AV27BH7EPB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR RESISTOR R492 VE-30000503 SMD RES. 1/10W 12K J R965 VE-30012657 SMD RES. 1/16W 1K J R506 VE-30012695 SMD RES.
  • Page 62 AV28BH7EPS / AV28BH7EPB [ AV28BHT7EPS / AV27BH7EPB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR CAPACITOR C250 VE-30000304 SMD CAP. 1.8NF 50V K R C909 VE-30016654 SMD CAP. 100NF 16V K R C251 VE-30000359 EL CAP.

  • Page 63: Multisound Pw Board Ass'y

    AV28BH7EPS / AV28BH7EPB [ AV28BHT7EPS / AV27BH7EPB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description DIODE D119 VE-30001284 DIODE IC103 VE-30001506 D120 VE-30001291 DIODE IC104 VE-30007444 D121 VE-30001318 DIODE IC105 VE-30001500 D122 VE-30001318 DIODE...
  • Page 64 AV28BH7EES / AV28BH7EEB PRINTED WIRING BOARD PARTS LIST [ AV28BH7EES / AV28BH7EEB ] MAIN P.W. BOARD ASS’Y (VE-20084594) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR RESISTOR R101 VE-30000668 SMD RES. 1/10W 33K J R242 VE-30000784...
  • Page 65 AV28BH7EES / AV28BH7EEB [ AV28BH7EES / AV28BH7EEB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR CAPACITOR R803 VE-30000628 CF RES. 1/4W 2.7K J C106 VE-30000332 SMD CAP. 4.7NF 50V K R804 VE-30000475 SMD RES.
  • Page 66 AV28BH7EES / AV28BH7EEB [ AV28BH7EES / AV28BH7EEB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR CAPACITOR C322 VE-30000352 EL CAP. 100UF 16V M C932 VE-30016654 SMD CAP. 100NF 16V K R C324 VE-30000294 SMD CAP.

  • Page 67: Front Av + Headphone Jack Pw Board Ass'y

    AV28BH7EES / AV28BH7EEB [ AV28BH7EES / AV28BH7EEB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description DIODE OTHERS D211 VE-30001299 DIODE ! F101 VE-20000849 FUSE ASSY 3.15A D212 VE-30001291 DIODE ! F102 VE-30009037 FUSE 6.3A...

  • Page 68: (Av28Bh7Eps/Epb)

    AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB PACKING PACKING PARTS LIST ! Ref.No. Part No. Part Name Description VE-50023336 F CARTON BOX (AV28BH7ENS) VE-50023328 F CARTON BOX (AV28BH7ENB) VE-50023340 F CARTON BOX (AV28BH7EES) VE-50023334 F CARTON BOX (AV28BH7EEB) VE-50023338 F CARTON BOX (AV28BH7EPS)
  • Page 69 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB SCHEMATIC DIAGRAMS COLOUR TELEVISION AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB CD-ROM No.SML200204 CONTENTS NOTE ON USING CIRCUIT DIAGRAMS SEMICONDUCTOR SHAPES BLOCK DIAGRAM CIRCUIT DIAGRAMS PATTERN DIAGRAMS 2-19 No.51967 COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD.
  • Page 70 AV28BH7ENS / AV28BH7ENB AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB AV28BH7EES / AV28BH7EEB AV28BH7ENS / AV28BH7ENB CONTENTS AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB SEMICONDUCTOR SHAPES BLOCK DIAGRAM STANDARD CIRCUIT DIAGRAM CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM NOTE ON USING CIRCUIT DIAGRAMS MULTI SOUND PWB CIRCUIT DIAGRAM 2-11...
  • Page 71 AV28BH7ENS / AV28BH7ENB AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB AV28BH7EES / AV28BH7EEB BLOCK DIAGRAM SOUND BOARD AND AV SWITCHING BOARD IF STAGE(ON MAIN BOARD) HEADPHONE Back_AV Front_AV SVHS SCART 1 SCART 2 TDA1308 TUNER (PLL) IF TDA 4470 CVBS OUT SVHS_Y...
  • Page 72 AV28BH7ENS /AV28BH7ENB AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB AV28BH7EES / AV28BH7EEB CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM (1/3) MAIN PWB VE-20084580(AV28BH7ENS/ENB), VE-20084599(AV28BH7EPS/EPB), VE-20084594(AV28BH7EES/EEB) No.51967 No.51967...
  • Page 73 AV28BH7ENS / AV28BH7ENB AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB AV28BH7EES / AV28BH7EEB MAIN PWB CIRCUIT DIAGRAM (2/3) EE VERSIONS EN VERSIONS EP VERSIONS POSITION VESTEL CODE DESCRIPTION VESTEL CODE DESCRIPTION VESTEL CODE DESCRIPTION C424 VE-30000387 CAP EL 33UF 50V M C455...
  • Page 74 AV28BH7ENS /AV28BH7ENB AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB AV28BH7EES / AV28BH7EEB MAIN PWB CIRCUIT DIAGRAM (3/3) MAIN PWB VE-20084580(AV28BH7ENS/ENB), VE-20084599(AV28BH7EPS/EPB), VE-20084594(AV28BH7EES/EEB) No.51967 No.51967 2-10...
  • Page 75 AV28BH7ENS / AV28BH7ENB AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB AV28BH7EES / AV28BH7EEB MULTI SOUND PWB CIRCUIT DIAGRAM STEREO MODULE PWB VE-30017302 No.51967 No.51967 2-11 2-12...

  • Page 76: Feature Box Pwb Ve-30013755

    AV28BH7ENS /AV28BH7ENB AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB AV28BH7EES / AV28BH7EEB FEATURE BOX PWB CIRCUIT DIAGRAM FEATURE BOX PWB VE-30013755 No.51967 No.51967 2-13 2-14...
  • Page 77 AV28BH7ENS / AV28BH7ENB AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB AV28BH7EES / AV28BH7EEB CRT SOCKET PWB CIRCUIT DIAGRAM CRT SOCKET PWB VE-30017303 No.51967 No.51967 2-15 2-16...
  • Page 78 AV28BH7ENS /AV28BH7ENB AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB AV28BH7EES / AV28BH7EEB FRONT CONTROL PWB CIRCUIT DIAGRAM FRONT AV + HEADPHONE JACK PWB CIRCUIT DIAGRAM FRONT CONTROL PWB VE-30017014 FRONT AV + HEADPHONE JACK PWB VE-30016761 No.51967 No.51967 2-17...
  • Page 79 AV28BH7ENS / AV28BH7ENB AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB AV28BH7EES / AV28BH7EEB PATTERN DIAGRAMS MAIN PWB PATTERN FRONT No.51967 No.51967 2-19 2-20...
  • Page 80 AV28BH7ENS /AV28BH7ENB AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB AV28BH7EES / AV28BH7EEB MULTI SOUND PWB PATTERN No.51967 No.51967 2-21 2-22...
  • Page 81 AV28BH7ENS / AV28BH7ENB AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB AV28BH7EES / AV28BH7EEB FEATURE BOX PWB PATTERN No.51967 No.51967 2-24 2-23...
  • Page 82 AV28BH7ENS /AV28BH7ENB AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB AV28BH7EES / AV28BH7EEB CRT SOCKET PWB PATTERN FRONT AV + HEADPHONE JACK PWB PATTERN FRONT FRONT CONTROL PWB PATTERN VP0204 No.51967 No.51967 2-25 2-26 DP8080...

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