JVC AV-25MS16/H Service Manual
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JVC AV-25MS16/H Service Manual

JVC AV-25MS16/H Service Manual

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SERVICE MANUAL
8
2006
YA445
AV-25MS16
AV-25MX16
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-33
COLOUR TELEVISION
/H
/S

TABLE OF CONTENTS

COPYRIGHT © 2006 Victor Company of Japan, Limited
, AV-25MX16
, AV-25MX56
,
/G
/S
BASIC CHASSIS
CW3
No.YA445
2006/8

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  • Page 1: Table Of Contents

    SERVICE MANUAL COLOUR TELEVISION YA445 2006 AV-25MS16 , AV-25MX16 AV-25MX16 , AV-25MX56 BASIC CHASSIS TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION Contents Items AV-25MS16/H AV-25MX16/G AV-25MX16/S AV-25MX56/S Dimensions (W 72.8 cm 53.6 cm 47.7 cm Mass 32 kg 30.5 kg TV RF System B, G, I, D, K, M Colour System PAL / SECAM / NTSC 3.58 / NTSC 4.43...

  • 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

    PICTURE MODE This function can adjust the picture settings automatically. There are BRIGHT, STANDARD and SOFT in the PICTURE MODE. MAIN DIFFERENCE LIST Item AV-25MS16/H AV-25MX16/G AV-25MX16/S AV-25MX56/S OSD Language Eng, Chi Eng, Ara, Fre, Per, Rus...
  • Page 5 TECHNINAL INFORMATION 2.4.1 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 11 screws [A] and 4 screws [B] as shown in Fig.1. (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 POWER CORD MAIN PWB BASS PWB REAR COVER Fig.1 (No.YA445)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 value Setting item AV-25MS16/H AV-25MX16/G AV-25MX16/S AV-25MX56/S SYSTEM MULTI COMB TILT SUPER BASS TEXT LANGUAGE E/R/A/P/F 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...
  • Page 10 (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 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 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 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 (3) The " --- " means adjustment is not possible. (4) " 12.TWIN CONT " is displayed only in the models with PIP function. [2. V/C] * is variable values for adjustment. [AV-25MS16/H, AV-25MX16/G] Initial setting value COMPONENT Adjustment item...
  • Page 17 [AV-25MX16/S, AV-25MX56/S] Initial setting value Adjustment item Variable range COMPONENT(V-2) SECAM NTSC3.58 NTSC4.43 VIDEO 2 525i 625i 1. SCREEN 0 ~ 63 2. CUT OFF 0 ~ 63(-32 ~ +31) (+0)* (+0)* 0 ~ 63(-32 ~ +31) (-3)* (-3)* CUT OFF 0 ~ 63(-32 ~ +31) (-7) (-7)
  • Page 18 [3. AUDIO] *This submenu is for display only, no adjustment is required. [AV-25MS16/H] Function Item Setting value AUDIO 1. DC XO ADJ 2. NICAM LOWER ERR LIM 3. NICAM UPPER ERR LIM 4. A2 ID THR Function MODE Item 100Hz...
  • Page 19 [5. VSM W/B] [AV-25MS16/H, AV-25MX16/G] 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...
  • Page 20 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 21 4.8.3 FOCUS Measuring Item Test point Adjustment part Description instrument FOCUS Signal FOCUS VR (1) Receive the cross hatch signal. generator [In HVT] (2) While looking at the screen, adjust the FOCUS VR to the vertical and horizontal lines will be thinnest and sharpest.
  • Page 22 Measuring Item Test point Adjustment part Description instrument V. SIZE Signal [4. DEF] PAL V. SIZE generator 3. V-SIZE (1) Receive a PAL crosshatch signal. (2) Select 4. DEF from the SERVICE MODE. Remote (3) Select <3. V-SIZE>. control unit (4) Set the initial setting value of <3.
  • Page 23 Measuring Item Test point Adjustment part Description instrument SIDE PIN Signal [4. DEF] PAL SIDE PIN generator 7. EW-PIN (1) Receive a PAL crosshatch signal. (2) Select 4. DEF from the SERVICE MODE. Remote (3) Select <7. EW-PIN>. control unit (4) Set the initial setting value of <7.
  • Page 24 Measuring Item Test point Adjustment part Description instrument CORNER PIN Signal [4. DEF] PAL CORNER PIN generator 8. COR-UP (1) Receive a PAL crosshatch signal. 9. COR-LO (2) Select 4. DEF from the SERVICE MODE. Remote (3) Select <8. COR-UP>. control unit (4) Set the initial setting value of <8.
  • Page 25 Vertical Screen amplitude size NTSC V. SIZE (1) Receive a crosshatch signal of vertical frequency 60Hz (NTSC). (2) Follow the same step 2 to 8 as in PAL V. SIZE. AV-25MS16/H AV-25MX16/S AV-25MX16/G AV-25MX56/S Vertical amplitude 280mm 285mm V. SLOPE Signal [4.DEF]...
  • Page 26 Measuring Item Test point Adjustment part Description instrument TRAPEZIUM Signal [4. DEF] PAL TRAPEZIUM PIN generator 6. TRAPEZ (1) Receive a PAL crosshatch signal. (2) Set the COMPRESS(16 : 9) to ON. Remote (3) Select 4. DEF from the SERVICE MODE. control unit (4) Select <6.
  • Page 27 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 28 VOLTAGE (W-B) (2) Follow the same step 2 to 8 as in PAL COLOUR. NTSC SECAM NTSC 4.43 COLOUR +25V +27V AV-25MS16/H • When NTSC 3.58 COLOUR is set, NTSC 4.43 +25V +27V AV-25MX16/G COLOUR will be automatically set. AV-25MX16/S...
  • Page 29 (2) Connect the oscilloscope to TP-47B and TP-E. NTSC TINT PAL TINT(DVD) (3) Set the PICTURE MODE to BRIGHT. +15V +19V AV-25MS16/H (4) Select 2. V/C from the SERVICE MODE. +15V +19V AV-25MX16/G (5) Select <10. TINT DVD>. (6) Set the initial setting value of <10. TINT DVD>.
  • Page 30 (6) Select COOL with the [OK] key. 3. B-DRIVE (7) Adjust the [MENU / ] key to bring the set values of <1. R DRIVE> to <3. B DRIVE> to the values [AV-25MS16/H, AV-25MX16/G] shown in the table. Setting value Variable Setting item range (8) Press the [OK] key to memorize the set values.
  • Page 31 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 32 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 33: 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 34 Victor Company of Japan, Limited Display Category 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA445) Printed in Japan...
  • Page 35 COLOUR TELEVISION EQUALIZER • CINEMA SURROUND • COMPONENT INPUT Contents AV-29BS26 AV-21BS26 Knowing your TV’s features ............3 Remote control buttons and basic functions ......4 AV-29BX16 AV-21BX16 TV buttons and functions ............6 AV-29MS26 AV-21BX16B Setting up your TV ..............7 AV-29MX16 AV-21MS26 Basic setting for picture ..............9 Advanced setting for picture .............
  • Page 36 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 37: 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. When disconnect DVD player, the television will display the previous channel.

  • Page 38: 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. "...
  • Page 39 Remote control buttons and basic functions (continued) How to operate menus and menus locations Top menu 2nd menu Location 3nd menu Location MENU PICTURE PICTURE MODE – – Operation Note PICTURE SETTING P.10 CONTRAST P.10 Display the MENU Press the MENU/OK button 2. To exit the MENU, BRIGHT P.10...

  • Page 40: Tv Buttons And Functions

    TV buttons and functions The illustrations shown below is for AV-21BS26 and AV-29SS26 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 41: 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: The illustration shown is just a sample. It may not be same as your TV.
  • Page 42 Setting up your TV (continued) When turn on the TV at Making the initial settings the next time Set up your TV by pressing MENU/OK button or waiting for 15 seconds, then operate the TV by following the steps below: AUTO PROGRAM LANGUAGE TEXT LANGUAGE...

  • Page 43: Basic Setting For Picture

    Basic setting for picture COLOUR SYSTEM PICTURE MODE 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 44: 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 45: Advanced Setting For Picture

    Advanced setting for picture AI ECO SENSOR (ECO)/ECO MODE Press the 5/∞ buttons until the picture becomes level. Then 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 46: Original Features For Picture

    Original features for picture TELETEXT You can display a sub picture within the main picture on the screen. You can watch the Teletext broadcast channel with TEXT function. Press the PIP operation buttons to display and change the sub Press the TEXT button to select the desired mode as follows: picture setting.

  • Page 47: Text Language

    Original features for picture (continued) TEXT LANGUAGE You can set the Teletext language group that corresponds to the programmes. Select TEXT LANGUAGE in the INSTALL menu, then choose the desired language group. MENU INSTALL menu TEXT LANGUAGE GROUP-1 English, German, Swedish, Finnish, Danish, Hungarian, Italian, French, Spanish, Portuguese, Turkish GROUP-2 Polish, German, Estonian, Slovenian, Czech, Slovakian,...

  • Page 48: Basic Setting For Sound

    Basic setting for sound SOUND SYSTEM SOUND MODE 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 49: 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. Cancel the function.

  • Page 50: Dvd Menu

    DVD Menu AUTO SIGNAL DETECT Enjoy movie playback with suitable colour temperature, sharp subtitles and improved gradation for black, like in a theater. When the DVD input signal is detected, the input mode will be changed Cancel the function. to VIDEO-2 automatically. And when the DVD input signal is not detected, the input mode will be changed to RF previous input mode.

  • Page 51: 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. Set the ON TIMER to your desired period of time by pressing the 2/3 button.
  • Page 52 Customized setting (continued) VIDEO-2 SETTING DISPLAY You can display the programme number, video terminal number You can set the VIDEO-2 SETTING according to the video signal 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 53: 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 54 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 55 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 56: Additional Preparation

    Additional preparation The illustrations shown in this section are for AV-21BS26 and AV- Connecting to rear component/video input 29SS26 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 57: Troubleshooting

    Troubleshooting If a problem occurs when you are using the TV, check the below • Colour patches appear • This may due to the magnetized device such as a troubleshooting guide before calling for repair. at the corner of the speaker near to your TV.

  • Page 58: Specifi Cations

    Specifi cations TV RF systems B, G, I, D, K, M Colour systems PAL, SECAM, NTSC 3.58 MHz, NTSC 4.43 MHz Receiving channels VHF low channel (VL), VHF high channel (VH), UHF channel (U) Receives cable channels in mid band, super band and hyper band. Power requirements For Australia: AC 220 to 240 V, 50 Hz / 60 Hz...
  • Page 59 COLOUR TELEVISION EQUALIZER • CINEMA SURROUND • COMPONENT INPUT Contents AV-29MS16 Knowing your TV’s features ............3 Remote control buttons and basic functions ......4 AV-29SS16 TV buttons and functions ............6 Setting up your TV ..............7 AV-25MS16 Basic setting for picture ..............9 Advanced setting for picture .............
  • Page 60 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 61: 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. When disconnect DVD player, the television will display the previous channel.

  • Page 62: 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. "...
  • Page 63 Remote control buttons and basic functions (continued) How to operate menus and menus locations Top menu 2nd menu Location 3nd menu Location MENU PICTURE PICTURE MODE – – Operation Note PICTURE SETTING P.10 CONTRAST P.10 Display the MENU Press the MENU/OK button 2. To exit the MENU, press the DISPLAY/ BRIGHT...

  • Page 64: Tv Buttons And Functions

    TV buttons and functions The illustrations shown below is for AV-21MS16 and AV-29SS16 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 65: 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: The illustration shown is just a sample. It may not be same as your TV.
  • Page 66 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 next time the TV by following the steps below: AUTO PROGRAM LANGUAGE AUTO PROGRAM...

  • Page 67: Basic Setting For Picture

    Basic setting for picture COLOUR SYSTEM PICTURE MODE 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 68 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 69: Advanced Setting For Picture

    Advanced setting for picture AI ECO SENSOR (ECO) Press the 5/∞ buttons until the picture becomes level. Then 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 70: Basic Setting For Sound

    Basic setting for sound SOUND SYSTEM SOUND MODE 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 71: 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. Cancel the function.

  • Page 72: Dvd Menu

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

  • Page 73: 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. Set the ON TIMER to your desired period of time by pressing the 2/3 button.
  • Page 74 Customized setting (continued) VIDEO-2 SETTING DISPLAY You can display the programme number, video terminal number You can set the VIDEO-2 SETTING according to the video signal 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 75: 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 76 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 77 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 78: Additional Preparation

    Additional preparation The illustrations shown in this section are for AV-21MS16 and AV- Connecting to rear component/video input 29SS16 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 79: Troubleshooting

    Troubleshooting If a problem occurs when you are using the TV, check the below • Colour patches appear • This may due to the magnetized device such as a troubleshooting guide before calling for repair. at the corner of the speaker near to your TV.

  • Page 80: Specifi Cations

    Specifi cations TV RF systems B, G, I, D, K, M Colour systems PAL, SECAM, NTSC 3.58 MHz, NTSC 4.43 MHz Receiving channels VHF low channel (VL), VHF high channel (VH), UHF channel (U) Receives cable channels in mid band, super band and hyper band. Power requirements AC 110 to 240 V, 50 Hz / 60 Hz External input / output...

  • Page 81: 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 82 PRINTED WIRING BOARD PARTS LIST [AV-25MX56/S] ..................3-17 MAIN P.W. BOARD ASS'Y (SCW-1923A-H2) ....................3-17 BASS P.W. BOARD ASS'Y (SCW-6001A-H2) ....................3-20 REMOTE CONTROL UNIT PARTS LIST (RM-C1286-1H) [AV-25MS16/H, AV-25MX16/G, AV-25MX16/S] ..3-21 REMOTE CONTROL UNIT PARTS LIST (RM-C1285-1H) [AV-25MX56/S] ............3-21 PACKING ................................... 3-22 PACKING PARTS LIST .............................

  • Page 83: Using P.w. Board & Remote Control Unit

    USING P.W. BOARD & REMOTE CONTROL UNIT P.W.B ASS'Y AV-25MS16/H AV-25MX16/G AV-25MX16/S AV-25MX56/S MAIN P.W.B SCW-1909A-H2 SCW-1922A-H2 SCW-1924A-H2 SCW-1923A-H2 BASS P.W.B SCW-6001A-H2 REMOTE CONTROL UNIT RM-C1286-1H RM-C1285-1H EXPLODED VIEW PARTS LIST -1  Ref.No. Part No. Part Name Description Local ...

  • Page 84: Exploded View -1

    EXPLODED VIEW -1 DY01 CRT SOCKET PWB (Within MAIN PWB) T522 FRONT COTROL PWB (Within MAIN PWB) MAIN PWB BASS PWB RATING LABEL 3-4(No.YA445)

  • Page 85: Printed Wiring Board Parts List [Av-25Ms16/H]

    PRINTED WIRING BOARD PARTS LIST [AV-25MS16/H] MAIN P.W. BOARD ASS'Y (SCW-1909A-H2) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D708 MA111-X SI DIODE D709 MA111-X SI DIODE IC302 S9648 PHOTO CONDUCTOR D710...
  • Page 86 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C522 QFLC1HJ-223Z M CAPACITOR 0.022uF 50V J C758 NCB31CK-224X C CAPACITOR 0.22uF 16V K C523 QETN1VM-476Z E CAPACITOR 47uF 35V M C760 NCB31CK-224X C CAPACITOR 0.22uF 16V K C524 QFZ0196-232...
  • Page 87 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R101 NRSA63J-100X MG RESISTOR 10 1/16W J R702 NRSA63J-471X MG RESISTOR 470 1/16W J R102 NRSA63J-682X MG RESISTOR 6.8k 1/16W J R703 NRSA63J-101X MG RESISTOR 100 1/16W J R103 NRSA63J-272X...

  • Page 88: Bass P.w. Board Ass'y (Scw-6001A-H2)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R811 NRSA63J-823X MG RESISTOR 82k 1/16W J LC803 QQR1199-002 EMI FILTER R812 NRSA63J-391X MG RESISTOR 390 1/16W J LC804 QQR1199-002 EMI FILTER R813 NRSA63J-823X MG RESISTOR 82k 1/16W J LC805...

  • Page 89: Printed Wiring Board Parts List [Av-25Mx16/G]

    PRINTED WIRING BOARD PARTS LIST [AV-25MX16/G] MAIN P.W. BOARD ASS'Y (SCW-1922A-H2) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D708 MA111-X SI DIODE D709 MA111-X SI DIODE IC302 S9648 PHOTO CONDUCTOR D710 MA8091/H/-X Z DIODE IC351...
  • Page 90 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C522 QFLC1HJ-223Z M CAPACITOR 0.022uF 50V J C758 NCB31CK-224X C CAPACITOR 0.22uF 16V K C523 QETN1VM-476Z E CAPACITOR 47uF 35V M C760 NCB31CK-224X C CAPACITOR 0.22uF 16V K C524 QFZ0196-232...
  • Page 91 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R101 NRSA63J-100X MG RESISTOR 10 1/16W J R702 NRSA63J-471X MG RESISTOR 470 1/16W J R102 NRSA63J-682X MG RESISTOR 6.8k 1/16W J R703 NRSA63J-101X MG RESISTOR 100 1/16W J R103 NRSA63J-272X...

  • Page 92: Bass P.w. Board Ass'y (Scw-6001A-H2)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R811 NRSA63J-823X MG RESISTOR 82k 1/16W J LC803 QQR1199-002 EMI FILTER R812 NRSA63J-391X MG RESISTOR 390 1/16W J LC804 QQR1199-002 EMI FILTER R813 NRSA63J-823X MG RESISTOR 82k 1/16W J LC805...

  • Page 93: Printed Wiring Board Parts List [Av-25Mx16/S]

    PRINTED WIRING BOARD PARTS LIST [AV-25MX16/S] MAIN P.W. BOARD ASS'Y (SCW-1924A-H2) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D708 MA111-X SI DIODE D709 MA111-X SI DIODE IC302 S9648 PHOTO CONDUCTOR D710 MA8091/H/-X Z DIODE IC351...
  • Page 94 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C522 QFLC1HJ-223Z M CAPACITOR 0.022uF 50V J C758 NCB31CK-224X C CAPACITOR 0.22uF 16V K C523 QETN1VM-476Z E CAPACITOR 47uF 35V M C760 NCB31CK-224X C CAPACITOR 0.22uF 16V K C524 QFZ0196-252...
  • Page 95 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R101 NRSA63J-100X MG RESISTOR 10 1/16W J R702 NRSA63J-471X MG RESISTOR 470 1/16W J R102 NRSA63J-682X MG RESISTOR 6.8k 1/16W J R703 NRSA63J-101X MG RESISTOR 100 1/16W J R103 NRSA63J-272X...

  • Page 96: Bass P.w. Board Ass'y (Scw-6001A-H2)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R811 NRSA63J-823X MG RESISTOR 82k 1/16W J LC803 QQR1199-002 EMI FILTER R812 NRSA63J-391X MG RESISTOR 390 1/16W J LC804 QQR1199-002 EMI FILTER R813 NRSA63J-823X MG RESISTOR 82k 1/16W J LC805...

  • Page 97: Printed Wiring Board Parts List [Av-25Mx56/S]

    PRINTED WIRING BOARD PARTS LIST [AV-25MX56/S] MAIN P.W. BOARD ASS'Y (SCW-1923A-H2) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D702 MA8091/H/-X Z DIODE D703 MA8091/H/-X Z DIODE IC301 PVP9390A-QG-A1 D704 MA8091/H/-X Z DIODE IC302 S9648 PHOTO CONDUCTOR...
  • Page 98 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C315 NCB31CK-473X C CAPACITOR 0.047uF 16V K C732 QETN1HM-225Z E CAPACITOR 2.2uF 50V M C316 QETN1CM-107Z E CAPACITOR 100uF 16V M C734 NCB31CK-104X C CAPACITOR 0.1uF 16V K C317 QETN1HM-106Z...
  • Page 99 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C958 QETN1EM-228Z E CAPACITOR 2200uF 25V M R554 NRSA63J-182X MG RESISTOR 1.8k 1/16W J C959 QETN1VM-107Z E CAPACITOR 100uF 35V M R569 QRZ0221-3R9 UNF RESISTOR 3.9 7W K C960 QETM1VM-228...

  • Page 100: Bass P.w. Board Ass'y (Scw-6001A-H2)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R760 NRSA63J-221X MG RESISTOR 220 1/16W J L305 QQL244K-100Z PEAKING COIL 10uH K R761 NRSA63J-221X MG RESISTOR 220 1/16W J L306 QQL244K-100Z PEAKING COIL 10uH K R762 NRSA63J-221X...

  • Page 101: Remote Control Unit Parts List (Rm-C1286-1H) [Av-25Ms16/H, Av-25Mx16/G, Av-25Mx16/S]

    REMOTE CONTROL UNIT PARTS LIST (RM-C1286-1H) [AV-25MS16/H, AV-25MX16/G, AV-25MX16/S]  Ref No. Part No. Part Name Description Local R25-8566 BATTERY COVER REMOTE CONTROL UNIT PARTS LIST (RM-C1285-1H) [AV-25MX56/S]  Ref No. Part No. Part Name Description Local R25-8566 BATTERY COVER...

  • Page 102: Packing

    PACKING PACKING PARTS LIST  Ref.No. Part No. Part Name Description Local GG10282-025B-H PACKING CASE "AV-25MS16H,AV-25MX16G" GG10285-003B-H PACKING CASE "AV-25MX16S,AV-25MX56S" GG10347-001C-H CUSHION ASS'Y 4pcs in 1set GG30097-004B-H POLY BAG "AV-25MS16H,AV-25MX16S,AV-25MX56S" GG30097-004A-H POLY BAG AV-25MX16G GG30096-001B-H POLY BAG "AV-25MS16H,AV-25MX16S,AV-25MX56S" GG30096-001A-H POLY BAG AV-25MX16G ------------ BATTERY...
  • Page 103 SCHEMATIC DIAGRAMS COLOUR TELEVISION YA445 2006 AV-25MS16 , AV-25MX16 AV-25MX16 , AV-25MX56 BASIC CHASSIS CD-ROM No.SML200608 No.YA445 COPYRIGHT © 2006 Victor Company of Japan, Limited 2006/8...

  • Page 104: Standard Circuit Diagram

    AV-25MS16 , AV-25MX16 , AV-25MX16 , AV-25MX56 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 105 SEMICONDUCTOR SHAPES ..............2-2 BLOCK DIAGRAM ..................2-3 CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM [AV-25MS16/H, AV-25MX16/G, AV-25MX16/S] (1/4), (2/4) ....... 2-5 MAIN PWB CIRCUIT DIAGRAM [AV-25MS16/H, AV-25MX16/G, AV-25MX16/S] (3/4), (4/4) ....... 2-7 MAIN PWB CIRCUIT DIAGRAM [AV-25MX56/S] (1/4), (2/4) ..............2-9 MAIN PWB CIRCUIT DIAGRAM [AV-25MX56/S] (3/4), (4/4) ..............2-11 BASS PWB CIRCUIT DIAGRAM ......................

  • Page 106: Block Diagram

    BLOCK DIAGRAM BLOCK DIAGRAMS MAIN PWB IC351 MAIN MICRO COMPUTER/TELETEXT DECODE/IF . VIDEO . RGB . SYNC . DEF. PROCESS IC701 RGB OUT MAIN PWB 108,109 SCL1, SDA1 (CRT SOCKET) I 2 C IC702 127,128 SCL0, SDA0 MICRO MAIN MEMORY TELETEXT DECODER COMPUTER DIGITAL SIGNAL PROCESS...

  • Page 107: Circuit Diagrams

    CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM [AV-25MS16/H, AV-25MX16/G, AV-25MX16/S] (1/4), (2/4) SHEET1 MAIN PWB(4/4) MAIN PWB ASS'Y (4/4)(FRONT LED) ADJUSTMENT (CRT SOCKET) SCW-1909A-H2 [AV-25MS16/H] CONNECTOR CN10T (SHEET2) VIDEO-3 SCW-1922A-H2 [AV-25MX16/G] SCW-1924A-H2 [AV-25MX16/S] INPUT CN00C CN00T IC801 IC302 D808 J806 C806...

  • Page 108: Main Pwb Circuit Diagram [Av-25Ms16/H, Av-25Mx16/G, Av-25Mx16/S] (3/4), (4/4)

    MAIN PWB CIRCUIT DIAGRAM [AV-25MS16/H, AV-25MX16/G, AV-25MX16/S] (3/4), (4/4) SHEET2 MAIN PWB(1/4) SHEET1 IC351 RY901 F901 AC110V-AC240V 3.3V_STB D956 C966 VA901 R910 100/16 50Hz/60Hz CN0PW R963 R358 SK351 C910 C964 Q955 S901 R964 R359 IC971 H_DRIVE R360 LF901 D957 P_ON/OFF C352 4.7/250...

  • Page 109: Main Pwb Circuit Diagram [Av-25Mx56/S] (1/4), (2/4)

    MAIN PWB CIRCUIT DIAGRAM (1/4),(2/4) [AV-25MX56/S] SHEET3 MAIN PWB(4/4) ADJUSTMENT (CRT SOCKET) MAIN PWB ASS'Y (2/4)(FRONT LED) CONNECTOR SHEET4 CN10T VIDEO-3 SCW-1923A-H2 [AV-25MX56/S] INPUT CN00C CN00T QGA2501F1-06 QJL001-064631-E IC801 GP1UE281QKVF IC302 REMOTECON S9648 RECEIVER D808 J806 C806 LH22440-T16 QNN0281-003 C808 100/16 J807 J808...
  • Page 110 MAIN PWB CIRCUIT DIAGRAM [AV-25MX56/S] (3/4), (4/4) SHEET4 MAIN PWB(1/4) SHEET3 HS351 IC351 LC31150-002B TDA6107AJF/N1 RY901 F901 QSK0061-002 AC110V-AC240V QMF51E2-4R0-S 3.3V_STB D956 C966 VA901 R910 50Hz/60Hz 100/16 R358 CN0PW QAF0060-621 QRZ0107-474Z C910 R963 SK351 QGA7901C1-02 C964 QRZ0107-152Z QFZ9072-224 QNZ0536-002 Q955 S901 QSW0846-001 R964...
  • Page 111 BASS PWB CIRCUIT DIAGRAM SHEET 5 MAIN PWB (1/4) SHEET1, SHEET3 CN00M CN00M GG30161-001A-H L671 QQL244J-4R7Z BASS PWB ASS'Y SCW-6001A-H2 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...

  • Page 112: Pattern Diagrams

    PATTERN DIAGRAMS MAIN PWB PATTERN 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 IP34...

  • Page 113: 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.YA445)2-17 2-18(No.YA445)

  • Page 114: 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 115: 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 116 Victor Company of Japan, Limited Display Category 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA445) Printed in Japan...

This manual is also suitable for:

Av-25mx56/sAv-25mx16/gAv-25mx16/sAv-25ms16Av-25mx56Av-25mx16

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