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JVC AV-21M316 Service Manual

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SERVICE MANUAL
FLAT COLOUR TELEVISION
10
2006
YA472
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-30
AV-21M316

TABLE OF CONTENTS

COPYRIGHT © 2006 Victor Company of Japan, Limited
/V
BASIC CHASSIS
CW3
No.YA472
2006/10

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  • Page 1: Table Of Contents

    FLAT COLOUR TELEVISION YA472 2006 AV-21M316 BASIC CHASSIS TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION Items Contents Dimensions (W 64.9 cm 46.5 cm 46.9 cm Mass 24 kg TV RF System B, G, I, D, K, M Colour System PAL / SECAM / NTSC 3.58 / NTSC 4.43 Stereo System PB stereo Teletext System Receiving VHF Low 46.25MHz - 140.25MHz (AS0 - S6) Frequency...

  • Page 3: Precaution

    SECTION 1 PRECAUTION SAFETY PRECAUTIONS (1) The design of this product contains special hardware, (8) When service is required, observe the original lead dress. many circuits and components specially for safety Extra precaution should be given to assure correct lead purposes.

  • Page 4: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS FEATURES DVD PICTURE MODE RETURN + This function can enhance the picture quality of DVD. The This function can set a channel frequently view to the Return screen can be made sharp or soft by this setting. Channel and you can view that channel at any time with one- touch.
  • Page 5 TECHNINAL INFORMATION 2.2.1 MAIN MI-COM (CPU) PIN FUNCTION Pin name Function Pin name Function VssP2 Not used VssC4 FbiSo Flyback input/sandcastle output V1.8C4 1.8V (Digital) Hout Horizontal output V3.3A3 3.3V VssComb VrefP_Sdac 3.3V (Positive) V5Comb VrefN_Sdac Vin/R2/Pr PIP R input VrefP_Sdac 3.3V (Negative) Uin/B2/Pb...

  • Page 6: Disassembly

    SECTION 3 DISASSEMBLY DISASSEMBLY PROCEDURE 3.1.1 REMOVING THE REAR COVER • Unplug the power cord. (1) Remove the 2 screws [A], 7 screws [B] and 4 screws [C]. (2) Withdraw the REAR COVER toward you. CAUTION: When reinstalling the rear cover, carefully push it inward after inserting the MAIN PWB into the REAR COVER groove.
  • Page 7 FRONT CABINET SPEAKER CRT SOCKET PWB (Within MAIN PWB) FRONT COTROL PWB (Within MAIN PWB) SPEAKER MAIN PWB POWER CORD BASS PWB REAR COVER Fig.1 (No.YA472)1-7...
  • Page 8 MEMORY IC REPLACEMENT • This model uses the memory IC. Memory IC: IC702 on MAIN PWB The memory IC memorizes data for correctly operating the video and deflection circuits. When replacing the memory IC, be sure to use the same type IC written with the initial values of data. In other words, use the specific IC listed in "PRINTED WIRING BOARD PARTS LIST".
  • Page 9 3.2.2 SYSTEM CONSTANT SETTING Setting item Setting value SYSTEM MULTI COMB TILT SUPER BASS TEXT LANGUAGE SOUND STEREO BILINGUAL BLUE BACK MUTE COLOUR AUTO ECO SENSOR INTER CARRIER SURROUND PICTURE BOOSTER COMPONENT S INPUT MAXX BASS 3.2.3 SETTINGS OF FACTORY SHIPMENT 3.2.3.3 REMOTE CONTROL MENU OPERATION 3.2.3.1...

  • Page 10: Theater

    (3) FEATURE SETTING 3.2.4 SERVICE MODE SETTING ITEMS Setting item Setting position Setting item Setting value DVD MENU 1. IF 1. VCO 2. DELAY POINT AUTO SIGNAL DETECT DVD PICTURE MODE 2. V / C 1. SCREEN DVD THEATER STATUS 2.

  • Page 11: No.ya472)1

    REPLACEMENT OF CHIP COMPONENT 3.3.1 CAUTIONS (1) Avoid heating for more than 3 seconds. (2) Do not rub the electrodes and the resist parts of the pattern. (3) When removing a chip part, melt the solder adequately. (4) Do not reuse a chip part after removing it. 3.3.2 SOLDERING IRON (1) Use a high insulation soldering iron with a thin pointed end of it.

  • Page 12: Adjustment

    SECTION 4 ADJUSTMENT ADJUSTMENT PREPARATION MEASURING INSTRUMENT AND FIXTURES (1) There are 2 ways of adjusting this TV : One is with the (1) DC voltmeter (or digital voltmeter) REMOTE CONTROL UNIT and the other is the (2) Oscilloscope conventional method using adjustment parts and (3) HV voltmeter components.
  • Page 13 ADJUSTMENT LOCATION MAIN PWB ASS'Y FRONT (FRONT LED) CN10A S804 S802 J808 J807 J806 J809 S805 S803 S801 POWER SW CN00A FRONT S901 CN00S POWER CORD IC702 DEG COIL IC701 YOKE BASS PWB ASS'Y J801 J802 J803 J804 CN00C MAIN PWB ASS'Y CN00B CN00C CN00B...
  • Page 14 BASIC OPERATION OF SERVICE MODE 4.6.1 TOOL OF SERVICE MODE OPERATION Operate the SERVICE MODE with the REMOTE CONTROL UNIT. 4.6.2 SERVICE MODE ITEMS With the SERVICE MODE, various adjustments can be made, and they are broadly classified in the following items of settings. 1.IF This mode adjusts the setting values of the IF circuit.

  • Page 15: Sharp

    4.6.4 SERVICE MODE FLOW CHART 1. IF SERVICE MENU SERVICE MENU IF SERVICE MENU 1. IF 2. V/C VCO (CW) ***** 3. AUDIO 4. DEF TOO HIGH 5. VSM W/B 6. STATUS 1. VCO ABOVE REFERENCE 7. PLUG & PLAY (ON) JUST REFERENCE 2.
  • Page 16 INITIAL SETTING VALUE OF SERVICE MODE (1) Adjustment of the SERVICE MODE is made on the basis of the initial setting values:however, the new setting values which set the screen in its optimum condition may differ from the initial setting value. (2) Do not change the initial setting values of the setting items not listed in "ADJUSTMENT PROCEDURE".
  • Page 17 [3. AUDIO] *This submenu is for display only, no adjustment is required. Function Item Setting value AUDIO 1. DC XO ADJ 12H* 2. NICAM LOWER ERR LIM 3. NICAM UPPER ERR LIM 4. A2 ID THR Function MODE Item 100Hz 300Hz 1kHz 3kHz...
  • Page 18 [5. VSM W/B] Setting value Variable Setting item range BRIGHT SOFT STANDARD THEATER 1. BRIGHT -16 - 16 2. CONT -16 - 16 3. COLOUR -16 - 16 4. SHARP -16 - 16 5. HUE -16 - 16 Setting value Variable Setting item range...
  • Page 19 ADJUSTMENT PROCEDURE 4.8.1 CHECK ITEM Measuring Item Test point Adjustment part Description instrument B1 VOLTAGE DC voltmeter CN00B connector (1) Receive any broadcast. 1-pin:TP-B1 (2) Connect a DC voltmeter to 1-pin and 3-pin of CN00B Remote 3-pin:TP-E connector. control unit [MAIN PWB] (3) Make sure that the voltage is DC134.5V ±2.0V.
  • Page 20 4.8.2 TUNER / IF CIRCUIT Measuring Item Test point Adjustment part Description instrument DELAY POINT Signal [1. IF] (1) Receive a black and white signal (colour off). (AGC) generator 2. DELAY POINT (2) Select 1. IF. (AGC TAKE-OVER) (3) Select <2. DELAY POINT>. Remote (4) Set the setting values of the setting items as shown control unit...
  • Page 21 Measuring Item Test point Adjustment part Description instrument V. POSITION Signal [4. DEF] PAL V. POSITION generator 1. V-SHIFT (1) Receive a circle pattern signal of vertical frequency 50Hz (PAL). Remote (2) Select 4. DEF from the SERVICE MODE. control unit (3) Select <1.
  • Page 22 Measuring Item Test point Adjustment part Description instrument V.LINEARITY Signal [4. DEF] PAL V. LINEARITY generator 12. V-S. CR (1) Receive a PAL crosshatch signal. 13. V-LIN (2) Select 4. DEF from the SERVICE MODE. Remote (3) Select <12. V-S.CR>. control unit (4) Set the initial setting value of <12.
  • Page 23 COMPRESS : ON (16:9) Measuring Item Test point Adjustment part Description instrument V. SIZE Signal [4.DEF] PAL V. SIZE generator 14. V. ZOOM (1) Receive a circle pattern signal of vertical frequency 3. V-SIZE 50Hz (PAL). Remote (2) Set the COMPRESS(16 : 9) to ON. control unit (3) Select 4.
  • Page 24 4.8.5 VIDEO CIRCUIT Measuring Item Test point Adjustment part Description instrument WHITE Signal [2. V/C] COMPOSITE WHITE BALANCE (1) Receive a PAL black and white signal (colour off). BALANCE generator 2. CUTOFF (B) (2) Set the PICTURE MODE to BRIGHT. (Low light) 2.
  • Page 25 Voltage setting (2) Follow the same step 2 to 8 as in PAL COLOUR. VOLTAGE (W-B) SECAM NTSC NTSC 4.43 COLOUR • When NTSC 3.58 COLOUR is set, NTSC 4.43 AV-21M316/V +24V +26V +23V (RF) COLOUR will be automatically set. (No.YA472)1-25...
  • Page 26 (2) Follow the same step 2 to 8 as in PAL TINT. Voltage setting NTSC 4.43 TINT VOLTAGE (W-B) • When NTSC 3.58 TINT is set, NTSC 4.43 TINT will be NTSC TINT PAL TINT automatically set. AV-21M316/V +12V (RF) +19V 1-26 (No.YA472)
  • Page 27 4.8.6 VSM PRESET SETTING Measuring Item Test point Adjustment part Description instrument VSM PRESET Remote [5.VSM W/B] (1) Select 5.VSM W/B from the SERVICE MODE. control unit 1. BRIGHT (2) Select the BRIGHT with the [OK] key. 2. CONT (3) Adjust the [MENU / ] key to bring the set values 3.
  • Page 28 4.8.7 PURITY AND CONVERGENCE PURITY ADJUSTMENT NOTE: The final adjustment of CONVERGENCE must be done after WEDGE DEFLECTION the FOCUS adjustment. (CONVERGENCE is changed by YOKE FOCUS adjustment.) When makes difference by FOCUS adjustment, should be reconfirming PURITY adjustment. (1) Demagnetize CRT with the demagnetizer. P / C (2) Loosen the retainer screw of the deflection yoke.
  • Page 29 STATIC CONVERGENCE ADJUSTMENT (1) Input a crosshatch signal. (2) Using 4-pole convergence magnets, overlap the red and blue lines in the centre of the screen (Fig.1) and turn them (FRONT VIEW) to magenta (red/blue). (3) Using 6-pole convergence magnets, overlap the magenta (red/blue) and green lines in the centre of the screen and turn them to white.

  • Page 30: Troubleshooting

    SECTION 5 TROUBLESHOOTING SELF CHECK FUNCTIONS 5.1.1 OUTLINE This model has self check functions given below. When an abnormality has been detected, the SUB POWER is turned off and POWER LED flashes to inform of the failure. An abnormality is detected by the signal input state of the control line connected to the microcomputer.
  • Page 31 (No.YA472)1-31...
  • Page 32 Victor Company of Japan, Limited Display Category 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA472) Printed in Japan...
  • Page 33 Knowing your TV’s features ............3 Remote control buttons and basic functions ......4 AV-29B316BK AV-21B316BK TV buttons and functions ............6 AV-29M316 AV-21M316 Setting up your TV ..............7 AV-29MXP6 AV-21MXP6 Basic setting for picture ..............9 Advanced setting for picture ............. 11 AV-29S356 Original features for picture ............12...
  • Page 34 Thank you for buying this JVC colour television. To make sure you understand how to use your new TV, please read this manual thoroughly before you begin. WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE 7 This TV can be turned on/off power by connecting/disconnecting the AC THIS APPLIANCE TO RAIN OR MOISTURE.

  • Page 35: Knowing Your Tv's Features

    Knowing your TV’s features Main features DVD MENU Just connect DVD player to the television. The television will detect DVD signal and display picture on the screen automatically and you can adjust pictures and sound while you are watching DVD as your desire.

  • Page 36: Remote Control Buttons And Basic Functions

    Remote control buttons and basic functions No. Press 1 POWER Turn on or off the TV from standby mode. 2 MENU/OK Display menu and confi rm selected function. " 3 5 / ∞ / 2 / 3 Select and adjust menu function. 4 CHANNEL -/+ Select the desired channel number.
  • Page 37 Remote control buttons and basic functions (continued) How to operate menus and menus locations Top menu 2nd menu Location 3nd menu Location Operation Note MENU PICTURE PICTURE MODE – – PICTURE SETTING P.10 CONTRAST P.10 Display the MENU Press the MENU/OK button 2. To exit the MENU, press the DISPLAY/ PICTURE MENU is displayed on...

  • Page 38: Tv Buttons And Functions

    TV buttons and functions The illustrations shown below is for AV-21B316 and AV-29S356 only, which are used for explanation purpose. Your TV may not look exactly the same as illustrated. No. Button/terminal Description Page Front of the TV 1 L (main power) Press to turn on or turn off the TV’s main power.

  • Page 39: Setting Up Your Tv

    INPUT OVER / MONO MONO JVC logo will appear on the screen again at the phase of “SETUP TOUR RESTART?” function. Then the initial setting can be performed according to page 8. Note: While in the INSTALL menu with the cursor pointing at INSTALL, pressing The illustration shown is just a sample.
  • Page 40 Setting up your TV (continued) Making the initial settings When turn on the TV at Set up your TV by pressing MENU/OK button or waiting for 15 seconds, then operate the the next time TV by following the steps below: AUTO PROGRAM LANGUAGE AUTO PROGRAM...

  • Page 41: Basic Setting For Picture

    Basic setting for picture PICTURE MODE COLOUR SYSTEM You can select the appropriate colour system when the picture is You can choose the desired picture setting with one-touch. not clear or no colour appears. Press the PICTURE MODE button to select a setting. Press the COLOUR SYSTEM button to select a setting.

  • Page 42: Picture Setting

    Basic setting for picture (continued) PICTURE SETTING WHITE BALANCE You can adjust the desired picture setting when selecting USER in You can change the white balance of the picture to better match PICTURE MODE. the type of video being viewed. Select WHITE BALANCE in the PICTURE menu, then choose the Select USER in PICTURE MODE under PICTURE menu.

  • Page 43: Advanced Setting For Picture

    Advanced setting for picture Press the 5/∞ buttons until the picture becomes level. Then AI ECO SENSOR (ECO)/ECO MODE press the MENU/OK button. You can adjust TV screen contrast according to the brightness of your room. Press the ECO button to select the desired mode. COMPRESS (16:9) Cancel the function.

  • Page 44: Original Features For Picture

    Original features for picture You can display a sub picture within the main picture on the screen. Press the PIP operation buttons to display and change the sub picture setting. PIP Display the sub picture. To cancel, press the PIP button again. Notes: •...

  • Page 45: Basic Setting For Sound

    Basic setting for sound SOUND MODE SOUND SYSTEM You can select an appropriate sound system when abnormal sound You can choose the desired sound setting. occurs even when the picture appears normally. Select the SOUND MODE in SOUND menu, then choose the setting. Press the SOUND SYSTEM button to select a setting.

  • Page 46: Advanced Setting For Sound

    Advanced setting for sound CINEMA SURROUND EQUALIZER You can enjoy an enhanced sound for wider audience. You can adjust the sound level of each frequencies when selecting Press the CINEMA SURROUND button to select a setting. USER mode in SOUND MODE. Select USER in SOUND MODE under SOUND menu.

  • Page 47: Dvd Menu

    DVD Menu AUTO SIGNAL DETECT DVD THEATER STATUS When the DVD input signal is detected, the input mode will be changed You can enjoy an enhanced picture quality for movie playback in a dark room, like watching a movie in the theater. to VIDEO-2 automatically.

  • Page 48: Customized Setting

    Customized setting Choose the PR (channel) by pressing the 2/3 button. External input, AV position and any un-preset channel cannot be You can reduce the picture noise. chosen for PR. Select VNR in PICTURE menu, then choose a setting of VNR function.
  • Page 49 Customized setting (continued) VIDEO-2 SETTING DISPLAY You can set the VIDEO-2 SETTING according to the video signal You can display the programme number, video terminal number and PR list on the screen. output from external devices connected to the VIDEO-2 terminal. Press the DISPLAY button to select the desired mode: Select VIDEO-2 SETTING in INSTALL menu, then choose a setting (Factory setting is COMPONENT).

  • Page 50: Tv Channel Presetting

    TV channel presetting To register the TV channels automatically Choose EDIT/MANUAL, then press the MENU/OK button. (AUTO PROGRAM) EDIT menu appears. You can register the TV channels into the TV’s channel list EDIT automatically. CH/CC CH 04 Display the INSTALL menu. CH 76 CH 78 CH 05...
  • Page 51 TV channel presetting (continued) To edit the channel list (PR LIST) To add in the new channel (MOVE and DELETE in the EDIT menu) (INSERT in the EDIT menu) You can edit the TV channel list as you like. You can add in new channels in the TV channel list as you like. Note: After this operation, other channel’s PR numbers will be You need to fi...
  • Page 52 TV channel presetting (continued) CH/CC number CCIR OIRT AUSTRALIA CCIR OIRT AUSTRALIA CH 33 US-33, W+48 AU-34 CC 18 S-18 CH 34 US-34, W+49 AU-35 CC 19 S-19 When you want to use the INSERT function CH 35 US-35, W+50 AU-36 CC 20 S-20...

  • Page 53: Additional Preparation

    Additional preparation The illustrations shown in this section are for AV-21B316 and AV- Connecting to rear component/video input 29S356 only, which are used for explanation purpose. Your TV may terminals and output terminals not look exactly the same as illustrated. Rear of TV Before connecting •...

  • Page 54: Troubleshooting

    Troubleshooting If a problem occurs when you are using the TV, check the below troubleshooting guide before calling for repair. • No picture, no sound • Deactivate the BLUE BACK function if it is turned on. • Colour patches appear •...

  • Page 55: Specifi Cations

    Specifi cations AV-21B316 AV-25M316 Model AV-21M316 AV-21MXP6 AV-21B316BK AV-25MXP6 TV RF system B, G, I, D, K, M Colour system PAL, SECAM, NTSC 3.58 MHz, NTSC 4.43 MHz (RF mode and VIDEO mode) Channel and Frequencies VHF low channel (VL) : 46.25 to 140.25 MHz VHF high channel (VH) : 147.25 to 423.25 MHz...
  • Page 56 Specifi cations Model AV-29B316 AV-29M316 AV-29S356 AV-29B316BK AV-29MXP6 TV RF system B, G, I, D, K, M Colour system PAL, SECAM, NTSC 3.58 MHz, NTSC 4.43 MHz (RF mode and VIDEO mode) Channel and Frequencies VHF low channel (VL) : 46.25 to 140.25 MHz VHF high channel (VH) : 147.25 to 423.25 MHz UHF channel (U) : 431 to 863.25 MHz *Receives cable in mid band (X to Z, S1 to S10, super band (S11 to S20) and hyper band (S21 to S41)
  • Page 57 SCHEMATIC DIAGRAMS FLAT COLOUR TELEVISION YA472 2006 AV-21M316 BASIC CHASSIS CD-ROM No.SML200610 RM-C1286 No.YA472 COPYRIGHT © 2006 Victor Company of Japan, Limited 2006/10...

  • Page 58: Standard Circuit Diagram

    AV-21M316 STANDARD CIRCUIT DIAGRAM NOTE ON USING CIRCUIT DIAGRAMS 1.SAFETY Type No indication : Ceramic capacitor The components identified by the symbol and shading are : Metalized mylar capacitor critical for safety. For continued safety replace safety ciritical : Polypropylene capacitor components only with manufactures recommended parts.
  • Page 59 PATTERN DIAGRAMS ................2-11 MAIN PWB PATTERN ..........................2-11 BASS PWB PATTERN ..........................2-13 VOLTAGE CHARTS .................. 2-15 WAVEFORMS .................... 2-16 USING P.W. BOARD P.W.B ASS’Y name AV-21M316/V SCW-1633A-CK MAIN P.W. BOARD BASS P.W. BOARD SCW-6004A-CK SEMICONDUCTOR SHAPES TRANSISTOR BOTTOM VIEW...

  • Page 60: Block Diagram

    BLOCK DIAGRAM MAIN PWB IC701 MAIN MICRO COMPUTER/ IF VIDEO RGB SYNC DEF. PROCESS IC351 108,109 SCL1, SDA1 RGB OUT I 2 C 127,128 SCL0, SDA0 IC702 MICRO MAIN MEMORY DIGITAL SIGNAL PROCESS COMPUTER TU001 98,99 TUNER REMOTE PORT CRT SOCKET KEY_IN PEAKING SCAN ROUT...

  • Page 61: Circuit Diagrams

    CIRCUIT DIAGRAMS MAIN PWB(4/4) MAIN PWB(2/4) MAIN PWB CIRCUIT DIAGRAM (1/4),(2/4) SHEET1 (CRT SOCKET) VIDEO-3 (FRONT LED) ADJUSTMENT SHEET2 CN10T INPUT CONNECTOR SCW-1633A-CK CN00C CN00T QGA2501F1-06 QJL001-064431-E IC801 GP1UE281QKVF IC302 REMOTECON S9648 RECEIVER D808 J806 C806 LH22440-T16 C808 QNN0281-003 J808 J807 100/16 QNN0281-002...

  • Page 62: Main Pwb Circuit Diagram (1/4),(2/4)

    MAIN PWB CIRCUIT DIAGRAM (3/4),(4/4) SHEET2 MAIN PWB(1/4) SHEET 1 IC351 TDA6107AJF/N1 RY901 F901 QSK0061-002 QMF51E2-4R0-S 3.3V_STB 50Hz/60Hz D956 C966 VA901 R910 100/16 CN0PW QAF0060-621 R963 R358 SK351 QRZ0107-474Z C910 C964 QRZ0107-152Z QFZ9072-224 QNZ0536-002 Q955 S901 QSW0846-001 R359 R964 IC971 QRZ0107-152Z H_DRIVE R360...

  • Page 63: Bass Pwb Circuit Diagram

    BASS PWB CIRCUIT DIAGRAM SHEET 3 MAIN PWB (1/4) SHEET1 CN00M GG30161-001A-H L671 QQL244J-4R7Z BASS PWB ASS'Y SCW-6004A-CK R675 C690 C691 R677 R678 C683 C684 R679 C688 C689 4.7K 4.7K IC671 10/50 NCF21AZ-475X NCF21AZ-475X MX3000DS-X R682 DVDD C671 R683 .47/50 DGND AVDD RESET( BAR)

  • Page 64: Pattern Diagrams

    PATTERN DIAGRAMS MAIN PWB PATTERN FRONT J806 R822 C806 S801 S802 S803 S804 S805 Y814 R824 J809 R825 C807 CN00A D814 R961 W-E1 CN10A CN0E3 W102 R633 R632 S901 W011 R520 CN0E1 L304 CN00S Y809 C831 IP37 C304 R309 R981 R982 C306 R312...

  • Page 65: Bass Pwb Pattern

    BASS PWB PATTERN [SOLDER SIDE] C676 C685 C677 C686 IC671 C689 C679 C688 C680 C671 R676 R673 R6 74 C673 X671 C672 R677 CN00M R678 BASS PWB PATTERN [PARTS SIDE] C677 C679 C671 X671 CN00M (No.YA472)2-13 2-14(No.YA472)

  • Page 66: Voltage Charts

    VOLTAGE CHARTS <MAIN PWB> <MAIN PWB> (FRONT LED) (CRT SOCKET) <MAIN PWB> <BASS PWB> MODE MODE MODE MODE MODE MODE MODE DC ( V ) DC ( V ) DC ( V ) DC ( V ) DC ( V ) DC ( V ) DC ( V ) PIN NO.

  • Page 67: Waveforms

    WAVEFORMS -MAIN PWB- IC401-1 IC401-3 IC401-6 IC401-7 IC401-5 1.0Vp-p 27Vp-p 30Vp-p 0.8Vp-p 53Vp-p IC701-10 IC701-11 IC701-22 IC701-23 IC701-48 IC701-66 IC701-67 (0.2µs) (0.2µs) 2.3Vp-p 2.7Vp-p 1.0Vp-p 1.3Vp-p 2.0Vp-p 5.0Vp-p 3.0Vp-p IC701-74 IC701-85 IC701-86 IC701-87 1.2Vp-p 1.4Vp-p 1.4Vp-p 1.7Vp-p T522-2 T522-4 T522-6 T522-7 T522-8 T522-9...
  • Page 68 Victor Company of Japan, Limited Display Category 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA472) Printed in Japan...

  • Page 69: Parts List

    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.W.
  • Page 70 BASS P.W. BOARD ASS'Y (SCW-6004A-CK) ....................3-7 REMOTE CONTROL UNIT PARTS LIST (RM-C1286-1H) ..................3-8 PACKING ..................................3-8 PACKING PARTS LIST ............................... 3-8 USING P.W. BOARD & REMOTE CONTROL UNIT P.W.B ASS'Y AV-21M316/V MAIN P.W.B SCW-1633A-CK BASS P.W.B SCW-6004A-CK REMOTE CONTROL UNIT...

  • Page 71: Exploded View

    EXPLODED VIEW CRT SOCKET PWB (Within MAIN PWB) T522 FRONT COTROL PWB (Within MAIN PWB) MAIN PWB BASS PWB RATING LABEL (No.YA472)3-3...

  • Page 72: Printed Wiring Board Parts List

    PRINTED WIRING BOARD PARTS LIST MAIN P.W. BOARD ASS'Y (SCW-1633A-CK) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D711 MA111-X SI DIODE D712 MA111-X SI DIODE IC302 S9648 PHOTO CONDUCTOR D713 MA8039/H/-X Z DIODE IC351 TDA6107AJF/N1...
  • Page 73 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C527 QFZ0197-114 MPP CAPACITOR 0.11uF 250V J C768 NCB31CK-224X C CAPACITOR 0.22uF 16V K C528 QFP32GJ-393 PP CAPACITOR 0.039uF 400V J C770 NCB31CK-104X C CAPACITOR 0.1uF 16V K C529 QENC2AM-225Z...
  • Page 74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R344 NRSA63J-220X MG RESISTOR 22 1/16W J R718 NRSA63J-562X MG RESISTOR 5.6k 1/16W J R351 NRSA63J-101X MG RESISTOR 100 1/16W J R719 NRSA63J-103X MG RESISTOR 10k 1/16W J R352 NRSA63J-151X...

  • Page 75: Bass P.w. Board Ass'y (Scw-6004A-Ck)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R910 QRZ0107-474Z C RESISTOR 470k 1/2W K GG30138-001A-H EE HOLDER R921 QRL029J-473 OMF RESISTOR 47k 2W J R922 QRE141J-221Y C RESISTOR 220 1/4W J R923 QRE141J-562Y C RESISTOR...

  • Page 76: Remote Control Unit Parts List (Rm-C1286-1H)

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