JVC AV-29LS2 Service Manual Download Page 12 | Manualshive

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No. 52062

5

AV-29LS2
AV-29LX2
AV-2968TEE

FUNCTIONS

a

REAR PANEL

a

FRONT PANEL

a

REMOTE CONTROL UNIT

RM-C1020-1H

[AV-29LS2]

L/MONO

V

R

IN (VIDEO-3)

VIDEO-1

INPUT

OUTPUT

COMPONENT

(VIDEO-2)

INPUT

V

R

MONO

L

/

V

Y

/

V

R

L

R

MONO

L

/

C

B

C

R

MUTING

OFF

TIMER

ECO

SENSOR

PICTURE

MODE

CHANNEL

SCAN

REVEAL

SUBPAGE

CANCEL

TV

TEXT

HOLD

RM-C1023

INDEX

STORE

MODE

SIZE

SYSTEM

COLOUR SOUND

MENU

CHANNEL

POWER

DISPLAY

TV/TEXT

TV/VIDEO

VOLUME

1

2

3

4

5

6

7

8

9

0

-/--

MUTING

OFF

TIMER

ECO

SENSOR

PICTURE

MODE

CHANNEL

SCAN

REVEAL

SUBPAGE

CANCEL

TV

TEXT

HOLD

RM-C1020

INDEX

STORE

MODE

SIZE

SYSTEM

COLOUR SOUND

MENU

CHANNEL

POWER

DISPLAY

TV/TEXT

TV/VIDEO

VOLUME

1

2

3

4

5

6

7

8

9

0

-/--

I

/

II

MUTING

OFF

TIMER

ECO

SENSOR

PICTURE

MODE

CHANNEL

SCAN

SYSTEM

COLOUR SOUND

MENU

CHANNEL

POWER

DISPLAY

TV/VIDEO

VOLUME

1

2

3

4

5

6

7

8

9

0

-/--

TV

RM-C1024

RM-C1024-1H

[AV-29LX2]

[AV-29LX2

/A

]

RM-C1023-1H
[AV-2968TEE]

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Summary of Contents for AV-29LS2

Page 1: ...I MUTING OFF TIMER ECO SENSOR PICTURE MODE CHANNEL SCAN SYSTEM COLOUR SOUND MENU CHANNEL RETURN POWER DISPLAY TV VIDEO VOLUME 1 2 3 4 5 6 7 8 9 0 TV RM C1024 RM C1023 1H AV 2968TEE RM C1020 1H AV 29LS2 RM C1024 1H AV 29LX2 AV 29LX2 A AV 29LS2 AV 29LX2 AV 29LX2 A AV 2968TEE No 52062 Sep 2002 AV 29LS2 AV 29LX2 AV 2968TEE BASIC CHASSIS CH COPYRIGHT 2002 VICTOR COMPANY OF JAPAN LTD SERVICE MANUAL COLO...

Page 2: ...itance value µF withstand voltage V Type No indication Ceramic capacitor MY Mylar capacitor MM Metalized mylar capacitor PP Polypropylene capacitor MPP Metalized polypropylene capacitor MF Metalized film capacitor TF Thin film capacitor BP Bipolar electrolytic capacitor TAN Tantalum capacitor 3 Coils No unit µH Others As specified 4 Power Supply B1 B2 12V 9V 5V 9Respective voltage values are indic...

Page 3: ...CONTENTS SEMICONDUCTOR SHAPES 2 2 BLOCK DIAGRAM 2 3 CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM 1 2 AV 29LS2 2 5 MAIN PWB CIRCUIT DIAGRAM 2 2 AV 29LS2 2 7 MAIN PWB CIRCUIT DIAGRAM 1 2 AV 29LX2 AV 29LX2 A AV 2968TEE 2 9 MAIN PWB CIRCUIT DIAGRAM 2 2 AV 29LX2 AV 29LX2 A AV 2968TEE 2 11 CRT SOCKET PWB CIRCUIT DIAGRAM 2 13 FRONT CONTROL PWB CIRCUIT DIAGRAM 2 15 PATTERN DIAGRAMS MAIN PWB PATTERN 2 17 CRT ...

Page 4: ...2 R 4 2 37 36 35 Vout2 Lout2 Rout2 43 44 42 V3 V V3 L V3 R 25 1 3 16 14 27 MTV R MTV L 15 14 MTV V 13 Lout1 26 Rout1 24 Q108 Q106 BUF BUF Q105 BUF Q110 Q104 47 48 46 Y U V 7 10 64 43 42 CIN CVBS YIN 62 63 2 3 IF IN2 24 IF IN1 23 SIF IN2 29 SIF IN1 28 IC701 V C DEF PROCESSOR 5 6 51 ROUT 52 GOUT 53 BOUT 35 QSS OUT 21 22 VDRB VDRA 33 HOUT 38 IF VOUT R G B Q150 2 30 31 13 23 9 3 L R KEY_IN REMOTE LED ...

Page 5: ... YIN W YOUT W YOUT1 W YIN1 75 R006 10K R663 100 R731 3 9K 1 R732 27K R733 BW L730 QJK002 063231 CN00T 10 QQL244K 100Z L702 100 16 C707 100 16 C732 1 50 C736 2 2 50 C740 33p CH C704 33p CH C703 1 NCB31CK 104X C733 22 80 C731 0022 C734 2 2n C735 1 C738 1 50 C737 1 NFV41CJ 104X C739 QAX0737 001 12MHZ X701 Q702 10K R716 10K R717 Q701 100 R715 100 R714 10 QQL244K 100Z L701 MA3020 X D702 MA3120 M X D801...

Page 6: ...W R911 X 1 2W R921 390 R960 1 TF C540 X C535 100 35 QEHR1VM 107Z C403 X C408 X C539 220 1W OMF R411 x R907 X 1 MF R534 RGP10J 5025 T3 D541 X D593 1SR35 400A T2 D955 46 QQLZ034 460 L951 QQL26AK 220Z L401 X 1 MF R535 47 25 C972 47 25 C964 32V L88M33T X IC972 82 1 2W R959 2 2 15W UNF R QRF154K 2R2 R902 39K 3W QRL039J 393 R903 12 1 2W R956 X L522 MTZJ75 T2 D402 470 16 C963 10 50 C962 15 1 2W R954 100 ...

Page 7: ... 2 2 50 C740 33p CH C704 33p CH C703 1 NCB31CK 104X C733 22 80 C731 0022 C734 2 2n C735 1 C738 1 50 C737 1 NFV41CJ 104X C739 QAX0737 001 12MHZ X701 Q702 10K R716 10K R717 Q701 100 R715 100 R714 10 QQL244K 100Z L701 MA3020 X D702 MA3120 M X D801 MA3120 M X D802 1 C826 470 16 C709 470 R149 22 C710 10 50 C749 2 7k R737 100K R653 100 QQL244J 101Z L731 D730 D731 100K R655 100 16 C743 1 C742 100K R735 3...

Page 8: ... Y T Q521 QQR1229 001 T521 2 2k R595 2SA1013 RO T Q951 1 5 1 4W R906 A GND A VCC H OUT 2SD2634 YD Q522 QQR1214 001Y K903 HFB 100 R521 5V 1K R522 0033 CC C522 022 CC C523 270 QRL029J 271 R526 47K QRL039J 473 R914 001 AC400V QCZ9015 102Z C905 150 QRL039J 151 R524 SDA SCL QCZ9079 102 C992 330 400 QEZ0371 337 C907 X C973 001 AC400V QCZ9079 102 C991 X R402 6 8n C402 VDRA VDRB_ 0 R403 CHT34KK8 32 CN01Z ...

Page 9: ...001 QGZ0017C1 01Z CN0SC X R160 W A1 X R169 W A2 QGA2501C5 06Z CN00T X D128 1 50 C120 100 R122 33K 1 2 R166 X Y203 MTZJ30A T2 D141 E2 Q104 Q105 Q106 100 R110 100 R111 CE41925 001 DL262 100 R112 10K R168 9 Q135 56K R113 2 2K R252 SK001 470K QRZ0107 474Z R157 220 16 C267 0 R211 8 2K R251 01 25 NCB31HK 103X C255 3 3K R170 56K R254 22K R255 D107 K203 01 C121 680 R171 MTZJ30A T2 D142 47 R136 MTZJ30AT2 D...

Page 10: ...1 100K R489 X R490 68K R483 33K R486 3 3K R487 150K R488 5 6K R485 22 NCB21EK 224X C482 22 NCB21EK 224X C481 22 NCB21EK 224X C484 22 NCB21EK 224X C483 47 25 C485 0 R491 5 6K R484 2 2K NRSA63J 222X R830 X R827 2 2K NRSA63J 222X R831 X R828 0 R826 BW C814 QGA2501C5 03Z CN00R X D491 QJB003 035433 CN00A 1000 35 QETM1VM 108 C661 1000 35 QETM1VM 108 C660 100 16 C815 X R820 2 7K R819 0 Y401 AUDIO_L AUDIO...

Page 11: ...Hz 32 5MHz 5 5MHz 33 5MHz 4 5MHz Colour Sub Carrier Frequency PAL 4 43MHz SECAM 4 40625MHz 4 25MHz NTSC 3 58MHz 4 43MHz Aerial Input Terminal 75Ø Unbalanced Power Input AC110 240V 50 60Hz Power Consumption 175W Max 116W Avg Picture Tube Visible size 68cm measured diagonally High Voltage 32 0kV 1 1 5kV at cut off in service mode Speaker 5 12cm Oval type 2 Audio Output 7W 7W Video Audio Input 1 2 3 ...

Page 12: ...E SIZE SYSTEM COLOUR SOUND MENU CHANNEL RETURN POWER DISPLAY TV TEXT TV VIDEO VOLUME 1 2 3 4 5 6 7 8 9 0 MUTING OFF TIMER ECO SENSOR PICTURE MODE CHANNEL SCAN REVEAL SUBPAGE CANCEL TV TEXT HOLD RM C1020 INDEX STORE MODE SIZE SYSTEM COLOUR SOUND MENU CHANNEL RETURN POWER DISPLAY TV TEXT TV VIDEO VOLUME 1 2 3 4 5 6 7 8 9 0 I II MUTING OFF TIMER ECO SENSOR PICTURE MODE CHANNEL SCAN SYSTEM COLOUR SOUN...

Page 13: ...E CONTROL BASE After removing the rear cover and the chassis 1 While pushing down the 2 claws marked as shown in Fig 2 and pull out the Control base in the direction of arrow marked Ï as shown in Fig 2 the control base can be removed If necessary take off the wire connector s etc REMOVING THE SPEAKER After removing the rear cover 1 Remove the 4 screws marked and 2 screws marked Ó as shown in Fig 1...

Page 14: ...ey 4 Press the DISPLAY key twice to return to the normal screen 5 Receive channel setting Refer to the OPERATING INSTRUCTIONS and set the receive channels channels preset 6 User setting Check the user setting values in Table 2 and if setting value is different set the correct value For setting refer to the OPERATING INSTRUCTIONS 7 Setting of SERVICE MENU Verify the setting for each setting item in...

Page 15: ...9LX2 AV 29LS2 SYSTEM COMB TILT TEXT SUPER BASS LANGUAGE MSP BILINGUAL B B SOUND TUNER COLOUR AUTO LOCK 1MHz 500KHz 250KHz 156 25KHz 31 25KHz 3D SURROUND 3CH VOL TONE AMP TUNER MULTI MU NO 040 040 000 240 040 030 030 YES YES NO ERCMI ERAPU NO E R C M I E R C E C ERCMI NO NO YES YES NO NO E R A P E R A P U NO NO AV 2968TEE AV 29LX2 A YES ERAPU NO NO YES E R A P U E R A P E R U E R C M I SETTING OF S...

Page 16: ...ME 15 2 TV VIDEO TV VNR OFF COMPRESS 16 9 OFF AUTO SHUTOFF OFF CHILD LOCK OFF BLUE BACK ON VIDEO 2 SET VIDEO LANGUAGE ENG AI VOLUME ON ON SCREEN DISPLAY POSITION INDICATION COLOUR SYSTEM PAL SOUND SYSTEM B G STEREO MODE STEREO AV 29LS2 only PICTURE MODE VSM BRIGHT OFF TIMER 00 ECO SENSOR OFF BASS CENTRE TREBLE CENTRE BALANCE CENTRE USER SETTING VALUES Table 2 ...

Page 17: ...NT BRIGHT STD SOFT 2 COLOUR 3 BRIGHT 4 PICTURE 5 DETAIL Service menu Setting item SERVICE MENU SETTING ITEMS Service menu Setting item 5 PRESET 1 PSNS 2 ACL 3 MUS 4 MAT 5 FCO 6 BPS 7 IFLH 8 VID 9 STM 10 AFCW 11 VSW 12 FFI 13 AGC 14 CL 15 AKB 16 HBL 17 BKS 18 READ STATUS 19 VNR 20 PEAK 21 IVG 22 WPL 23 SOFT CLIPPER 24 IF PLL OFFSET 25 OVERSHOOT 26 HCO 27 HP2 28 AI VOLUME ADN 31 CCCLOOP 6 A2NICAM 1 ...

Page 18: ...ote control unit Setting item Setting value PICTURE MODE VSM BRIGHT VNR OFF BASS TREBLE BALANCE CENTRE TINT COLOUR BRIGHT DETAIL CENTRE PICTURE MAXIMUM MEASURING INSTRUMENT 1 DC voltmeter or Digital voltmeter 2 Oscilloscope 3 Signal generator Pattern generator PAL SECAM NTSC 4 Remote control unit ADJUSTMENT ITEMS B1 POWER SUPPLY FOCUS ADJUSTMENT IF CIRCUIT ADJUSTMENTS Adjustment of VCO CW Adjustme...

Page 19: ... the keys 1 to 7 on the remote control unit and select the SUB MENU SCREEN from the SERVICE MENU See Fig 1 on the next page SERVICE MENU SUB MENU 1 IF 2 VC 3 DEF 4 VSM PRESET 5 PRESET 6 A2NICAM AV 29LS2 only 6 7 PLUG PLAY ON 3 Method of Setting Once the setting values are set they are memorized automatically It must not adjust without inputting a signal 1 1 IF 1 VCO a 1 Key Select 1 IF b 1 Key Sel...

Page 20: ... 89 SELECT MENU OPERATE DISPLAY EXIT SUB MENU 3 DEF 50Hz AUTO 1 CUTOFF R G V C PAL 1 VER SLOPE DEF MHz A2NICAM 4 3 MENU 89 SELECT MENU OPERATE DISPLAY EXIT MENU 89 SELECT MENU OPERATE DISPLAY EXIT SUB MENU 5 PRESET PAL B G 1 PSNS PRESET 50Hz MENU 89 SELECT MENU OPERATE DISPLAY EXIT SUB MENU 4 VSM PRESET TINT COLOUR BRIGHT PICTURE DETAIL STANDARD MENU 89 SELECT MENU OPERATE DISPLAY EXIT 1 PSNS 2 AC...

Page 21: ...reen gets darkened Adjustment of VCO CW VCO CW Item Measuring instrument Test point Adjustment part Description IF CIRCUIT ADJUSTMENTS Remote control unit Note Under normal conditions no adjustment is required 1 Select 1 IF from the SERVICE MENU 2 Select 1 VCO by pressing the 1 key on the remote control unit 3 Receive a broadcast signal 4 Check the characters colour of the BELOW REFERENCE displaye...

Page 22: ...s on the remote control unit 4 Press the 1 key on the remote control unit to produce a single hori zontal line 5 Turn the SCREENVR fully counterclockwise then slowly turn it clock wise to where a red blue or green colour is faintly visible 6 Use the keys 4 and 7 or 5 and 8 on the remote control unit and adjust the other 2 colours to where the single horizontal line ap pears white 7 Turn the SCREEN...

Page 23: ... 4 CONT with the MENU key 4 Set the initial setting value with the MENU Tkey 5 If the contrast is not best with the initial setting value make fine adjustment until you get the best contrast 6 Press the DISPLAY key twice to return to the normal screen 4 CONT Adjustment of WHITE BALANCE High light Signal generator Remote control unit 2 DRIVE R DRIVE G DRIVE B Notes Proceed to the following adjustme...

Page 24: ...tch the YV Fig 6 and 8 3 Repeat the steps 1 and 2 obtain an optimum convergence 4 Differential coil ADJUSTMENT In case where the horizontal lines of red and blue around the center of both sides of the picture as shown in Fig 7 adjust the XV differ ence by using the differential coil on the top of the deflection yoke Fig 8 so as to minimize the XV difference After adjustment fix the wedge at the or...

Page 25: ...otection An over current on the low B line is detected Operation of CRT NECK protec tion circuit The main microcomputer detects the possible abnormality at 30 msec intervals and judges the results in every 16 time Of the 16 times if NG is detected more than 9 times it is judged that there is an abnormality DITTO When an abnormality has been detected the SUB POWER is turned off While the SUB POWER ...

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