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JVC AV28BH7ENS Service Manual
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JVC AV28BH7ENS Service Manual

JVC AV28BH7ENS Service Manual

Color television
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Summary of Contents for JVC AV28BH7ENS

  • Page 1 This file is provided FREE OF CHARGE from the electromaniacs.com community You are free to distribute this file to other persons who needs it , but without of charge Also on http://electromaniacs.com you can find thousands of service manuals , schematics free of charge...

  • Page 2: 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 3: 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...

  • Page 4: Pin Assignment

    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...

  • Page 5: 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 6: Features

    AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB FEATURES 1. It is a remote controlled color television. 9. It is possible to connec t headphone. 2. 200 programs from VHF, UHF bands or cable channels can be 10. Direct channel acc ess.

  • Page 7: 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 8 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 9: Features

    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 ↑...

  • Page 10: 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 11 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 12: Do Not Adjust

    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 13 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...
  • Page 14 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.
  • Page 15 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.
  • Page 16 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.
  • Page 17 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...
  • Page 18 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 (...
  • Page 19 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...
  • Page 20 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.
  • Page 21 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB [MEMO] No. 51967...
  • Page 22 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 23: Standard Circuit Diagram

    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...

  • Page 24: Block Diagram

    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)

  • Page 25: Main Pwb Ve-

    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 26 VE-30001734 JUMPER SMD (0805) T402 VE-30001726 FILTER SER TRAP TPS 6.5MHZ VE-30001726 FILTER SER TRAP TPS 6.5MHZ MAIN PWB VE-20084580(AV28BH7ENS/ENB), VE-20084599(AV28BH7EPS/EPB), VE-20084594(AV28BH7EES/EEB) VL401 VE-30002037 ADJ COIL VIF 38.9 Q80 VE-30002037 ADJ COIL VIF 38.9 Q80 VE-30002036 ADJ COIL VIF 38.9MHZ C=12PF...
  • Page 27 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 28 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 29 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 30 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 31 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...
  • Page 32 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 33 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 34 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 35 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...
  • Page 36 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB 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 VP 0204 DP8080...
  • Page 37 AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB PARTS LIST CONTENTS ! USING PW BOARD & REMOTE CONTROL UNIT ･･･････ ･････････････ ･･･････････････････ ･････････････ ･･ ! EXPLODED VIEW PARTS LIST ･･･････ ･････････････ ････････････ ･･･････ ･････････････ ･･･････････････････ ･･･ ! EXPLODED VIEW ･･･････...

  • Page 38: Exploded View Parts List

    AV28BH7ENS / AV28BH7ENB AV28BH7EPS / AV28BH7EPB AV28BH7EES / AV28BH7EEB EXPLODED VIEW PARTS LIST [ SILVER model : AV28BH7ENS, AV28BH7EES, AV28BH7EPS] ! Ref.No. Part No. Part Name Description ! V01 VE-30002754 PICTURE TUBE (ITC) ! L01 VE-30002728 DEG.COIL & EARTH ! TR202...

  • Page 39: Exploded View

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

  • Page 40: 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.
  • Page 41 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...
  • Page 42 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 43: Multisound Pw Board Ass'y

    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...
  • Page 44 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...

  • Page 45: Feature Box Pw Board Ass'y

    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 46: Crt Socket Pw Board Ass'y

    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...

  • Page 47: Front Control Pw Board Ass'y

    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 48 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 49 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 50 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 51: Front Av + Headphone Jack 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 52 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 53 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 54 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 55 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 56: (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)

  • Page 57: Safety Precautions

    Contents Safety Precautions 1. Power Source Safety Precautions ........... 1 The receiver should be operated only from a 220-240V AC, Remote Control Buttons .......... 2 50 Hz. outlet. Ensure you select the correct voltage setting Control Panel Buttons ..........3 for your convenience.

  • Page 58: Remote Control Buttons

    Remote Control Buttons = Stand By / Power 0 - 9 = Direct Program Colour Buttons Standard Button ) = Programme Up (Cursor Up) MENU = Menu Button ) = Cursor Right / Volume + Teletext / VCR /DVD Control Buttons Â...

  • Page 59: Control Panel Buttons

    Control Panel Buttons Antenna Connections ENGLISH - 3 -...

  • Page 60: Preparation

    To switch the TV off Preparation • Press the stand-by button on the remote control, so the TV Place TV on a solid surface. will switch to stand-by mode and the GREEN LED will be- For ventilation, leave a space of at least 10 cm free all around come RED, the set.

  • Page 61: Operating With The Onset Buttons

    Functions which you can use out of menu system are de- 5. Press " " or " " button to select the country where scribed below. you are now located. Then press the “ ” or “ ” button to store it.

  • Page 62: Picture Menu

    Picture Menu Setting Balance: • Using “ “ or “ ” button select Balance. To change picture settings: • Press “ ” button to change balance rightward. • Press “MENU” button, now you are in main menu. In the • Press “ ” button to change balance leftward. main menu, select PICTURE using “...

  • Page 63: Feature Menu

    • The Noise reduction can be adjusted in four different lev- When you set this item to ON, the TV can be operated only els: Minumum, Medium, Maximum and Auto. Addition- by using the remote control handset. ally it can be cancelled by selecting the OFF option. Press- ing “...
  • Page 64 • Press “ “ or “ ” button to select the desired country settings: 4. Press the MENU button to go to the upper menu, or press • After selecting the country, press the “ ” or “ ” button to the "Standard"...

  • Page 65: Program Menu

    Autostore Menu Mode: Set "Mode" item to "TV" for the TV channels. • After the MENU language and Country selections, the AU- TOSTORE function is ready to start. Select the AUTO- • When you watch a picture from your VCR and the picture is STORE item in the INSTALL menu, then press “...

  • Page 66: Information On Screen

    2. Press the VCR / DVD Control Button to control your VCR or DVD player. Note: • If your device is not made by JVC, these buttons cannot be used. • Even if your device is made by JVC, some of these buttons or any one of the buttons may not work, depending on the device.

  • Page 67: To Select A Page Of Teletext

    To select a page of Teletext • Select the required Teletext page. • Press “ “ button. • Press the appropriate digit buttons for the required Teletext • Select the required subcode page number by pressing four page number. digit buttons (e.g. 0001). The selected page number is displayed at the top left corner •...

  • Page 68: Connect The External Equipments

    Connect the External Equipments Before connecting anything • Switch off all equipments including the TV. • Read the manuals provided with the equipments. To select an AV mode Pressing "AV" button on the remote control selects one of four AV modes (EXT 1, EXT 2, EXT 2 S and F AV). •...

  • Page 69: Via The Euroconnector

    Via the Euroconnector Tips Your TV set has two Euroconnector sockets. If you want to Care of the Screen connect equipments (e.g. video recorder, decoder, etc.) which have Euroconnectors, to your TV, use the EXT 1 or EXT 2 Clean the screen with a slightly damp, soft cloth. Do not use terminals.

  • Page 70: Specifications

    PICTURE TUBE ..........For 28” AUDIO OUTPUT POWER ) (%10 THD) ........2 x 12 RMS. POWER CONSUMPTION (W) (max.) ....175 DIMENSIONS (mm) ........AV28BH7ENB AV28BH7ENS D ................. 480 L ................. 770 H ................. 580 Weight (Kg.) ............33,2 ENGLISH - 14 -...
  • Page 71 Supplementary The updated version of the parts list attached to the SERVICE MANUAL (No.51967, Apr. 2002) for the AV28BH7ENS, AV28BH7ENB, AV28BH7EPS, AV28BH7EPB, AV28BH7EES and AV28BH7EEB has been issued. Except for the parts list, please refer to the original SERVICE MANUAL (No.51967, Apr. 2002) for the AV28BH7ENS, AV28BH7ENB, AV28BH7EPS, AV28BH7EPB, AV28BH7EES and AV28BH7EEB.
  • Page 72 ･･･････････････････････････････････････････････････････････････････････････ ! EXPLODED VIEW ･････････････････････････････････････････････････････････････････････････････････････････ ! PRINTED WIRING BOARD PARTS LIST [ AV28BH7ENS , AV28BH7ENB ] " MAIN P.W. BOARD ASS'Y ･････････････････････････････････････････････････････････････････････････････････････ " MULTI SOUND P.W. BOARD ASS’Y･････････････････････････････････････････････････････････････････････････････ " FEATURE BOX P.W. BOARD ASS’Y ････････････････････････････････････････････････････････････････････････････ " CRT SOCKET P.W. BOARD ASS'Y･････････････････････････････････････････････････････････････････････････････...

  • Page 73: Exploded View Parts List

    AV28BH7ENS , AV28BH7ENB AV28BH7EPS , AV28BH7EPB AV28BH7EES , AV28BH7EEB EXPLODED VIEW PARTS LIST [ Silver model : AV28BH7ENS, AV28BH7EPS, AV28BH7EES ] ! Ref.No. Part No. Part Name Description ! V01 VE-30002754 PICTURE TUBE(ITC) Included DY, PC magnet ! L01 VE-30002728 DEG.COIL &...

  • Page 74: Exploded View

    AV28BH7ENS , AV28BH7ENB AV28BH7EPS , AV28BH7EPB AV28BH7EES , AV28BH7EEB EXPLODED VIEW FRONT CONTROL PWB MULTI SOUND FRONT AV + HEADPHONE JACK PWB TR202 MAIN PWB CRT SOCKET PWB No. 51967B...

  • Page 75: Printed Wiring Board Parts List

    AV28BH7ENS , AV28BH7ENB PRINTED WIRING BOARD PARTS LIST [ AV28BH7ENS , AV28BH7ENB ] MAIN P.W. BOARD ASS’Y (VE-20105613) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR RESISTOR R101 VE-30000668 SMD R...
  • Page 76 AV28BH7ENS , AV28BH7ENB [ AV28BH7ENS , AV28BH7ENB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR CAPACITOR R920 VE-30012657 SMD R 1/16W 1K J C148 VE-30000294 SMD CAP. 100NF 50V K...
  • Page 77 AV28BH7ENS , AV28BH7ENB [ AV28BH7ENS , AV28BH7ENB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR DIODE C506 VE-30000345 EL CAP. 10UF 50V M D105 VE-30007768 DIODE 5A/600V 55A C509 VE-30000186 SMD CAP.

  • Page 78: Multi Sound P.w. Board Ass'y

    AV28BH7ENS , AV28BH7ENB [ AV28BH7ENS , AV28BH7ENB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR IC101 VE-30007442 I.C. R542 VE-30000475 SMD R 1/10W 10K J ! IC102 VE-30015087 I.C. R543...

  • Page 79: Feature Box P.w. Board Ass'y

    AV28BH7ENS , AV28BH7ENB [ AV28BH7ENS , AV28BH7ENB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR TRANSISTOR C541 VE-30000284 SMD CAP. 1NF 50V K R Q501 VE-30001458 SMD TRANSISTOR C542 VE-30000263 SMD CAP.
  • Page 80 AV28BH7ENS , AV28BH7ENB [ AV28BH7ENS , AV28BH7ENB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR CAPACITOR R056 VE-30000797 SMD R 1/10W 75R J C010 VE-30000232 SMD CAP. 270PF 50V J...

  • Page 81: Crt Socket P.w. Board Ass'y

    AV28BH7ENS , AV28BH7ENB [ AV28BH7ENS , AV28BH7ENB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR RESISTOR C104 VE-30000284 SMD CAP. 1NF 50V K R R906 VE-30000499 SMD R 1/10W 1.2K J...

  • Page 82: Front Control P.w. Board Ass'y

    AV28BH7ENS , AV28BH7ENB [ AV28BH7ENS , AV28BH7ENB ] FRONT CONTROL P.W. BOARD ASS’Y (VE-20082481) ! Symbol No. Part No. Part Name Description RESISTOR VE-30000689 CF R 1/4W 3.9K J VE-30000526 CF R 1/4W 1.5K J VE-30000770 CF R 1/4W 680R J...

  • Page 83: Av28Bh7Eps , Av28Bh7Epb

    AV28BH7EPS , AV28BH7EPB PRINTED WIRING BOARD PARTS LIST [ AV28BH7EPS , AV28BH7EPB ] MAIN P.W. BOARD ASS’Y (VE-20105616) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR RESISTOR R101 VE-30000668 SMD R 1/10W 33K J R256 VE-30001100...
  • Page 84 AV28BH7EPS , AV28BH7EPB [ AV28BH7EPS , AV28BH7EPB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR CAPACITOR R808 VE-30000734 CF R 1/4W 4.7R J ! C112 VE-30000094 MKT CAP. 220NF AC275V M R809 VE-30000717 SMD R...
  • Page 85 AV28BH7EPS , AV28BH7EPB [ AV28BH7EPS , AV28BH7EPB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR COIL C411 VE-30000109 MKT CAP. 470NF 63V J L102 VE-30007775 PFC COIL 1MH 1KHZ 2A C412 VE-30000384 EL CAP.
  • Page 86 AV28BH7EPS , AV28BH7EPB [ AV28BH7EPS , AV28BH7EPB ] MULTI SOUND P.W. BOARD ASS’Y (VE-20085395) ! Symbol No. Part No. Part Name Description Refer to PARTS LIST in page 8 for this P.W. board. TRANSISTOR Q104 VE-30007798 SMD TRANSISTOR Q105 VE-30007798 SMD TRANSISTOR Q106 VE-30007802...

  • Page 87: Main P.w. Board Ass'y

    AV28BH7EES , AV28BH7EEB PRINTED WIRING BOARD PARTS LIST [ AV28BH7EES , AV28BH7EEB ] MAIN P.W. BOARD ASS’Y (VE-20105600) ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR RESISTOR R101 VE-30000668 SMD R 1/10W 33K J R256 VE-30001100...
  • Page 88 AV28BH7EES , AV28BH7EEB [ AV28BH7EES , AV28BH7EEB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description RESISTOR CAPACITOR R902 VE-30012641 SMD R 1/16W 10K J C130 VE-30007708 CER CAP. 1NF 1KV K (PULSE) R903 VE-30000718 CF R...
  • Page 89 AV28BH7EES , AV28BH7EEB [ AV28BH7EES , AV28BH7EEB ] ! Symbol No. Part No. Part Name Description ! Symbol No. Part No. Part Name Description CAPACITOR COIL C442 VE-30000294 SMD CAP. 100NF 50V K L428 VE-30001987 FIXED COIL 4.7UH C443 VE-30013411 SMD CAP.
  • Page 90 AV28BH7EES , AV28BH7EEB [ AV28BH7EES , AV28BH7EEB ] MULTI SOUND P.W. BOARD ASS’Y (VE-20085395) ! Symbol No. Part No. Part Name Description TRANSISTOR Refer to PARTS LIST in page 8 for this P.W. board. Q415 VE-30001457 SMD TRANSISTOR Q801 VE-30001457 SMD TRANSISTOR Q802 VE-30001457...

  • Page 91: Packing / Packing Parts List

    AV28BH7ENS , AV28BH7ENB AV28BH7EPS , AV28BH7EPB AV28BH7EES , AV28BH7EEB PACKING PACKING PARTS LIST ! Ref.No. Part No. Part Name Description VE-50023336 CARTON BOX [AV28BH7ENS] VE-50023328 CARTON BOX [AV28BH7ENB] VE-50023340 CARTON BOX [AV28BH7EES] VE-50023334 CARTON BOX [AV28BH7EEB] VE-50023338 CARTON BOX [AV28BH7EPS]...
  • Page 92 AV28BH7ENS , AV28BH7ENB AV28BH7EPS , AV28BH7EPB AV28BH7EES , AV28BH7EEB VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY DISPLAY CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan Printed in Japan No. 51967B 200306 WPC...

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