JVC AV-21MXP6/V, AV-25MXP6/V, AV-29MXP6/V FRONT CONTROL PWB(2/2)

(No.YA476)2-5 2-6(No.YA476)

J801

S-VIDEO

V

L

R

TU001

TUNER

CVBS1

S_V_DET

Y1

C1

L1

R1

IF

SCL

SDA

J802

J803

PB

PR

R2

J804

L-OUT

R-OUT

V2/Y

L2

PB

PR

R

Y

L

V-OUT

L

R

VIDEO

SF101

SAW FILTER

SF102

SAW FILTER

IC601

AUDIO AMP

MAIN PWB

13

23

L_AOUT

R_AOUT

9

32

314

13

VOL+

REMOCON

RECEIVER

VOL- CH+ CH- MENU

POWER

LED

AC IN

F901

POWER SW

S901

TV/VIDEO

J802

J803

J804

V3

L3

R3

VIDEO

AUDIO-L

AUDIO-R

T522

FBT

B1

SCREEN

FOCUS

EHT

D901

RECT

T921

SW

TRANSF.

L951

8V

12V

5V

3.3V_STB

32V

IC951

ERROR

AMP

PC901

VOLTAGE

FEEDBACK

IC921

POWER

REG

IC973

12V REG

IC975

5V REG

IC972

3.3V REG

Q983

Q984

1.8V REG

Q981

Q982

1.8V REG

1, 7 5

IC401

V. OUT

Q522

H. OUT

SPEAKER LSPEAKER RJ801HEADPHONE

CRT SOCKET

PWB

R

G

BV01

IC351

RGB OUT

Q208, Q209

VM OUT

VM COIL

V

H

DY01DEF YOKE

1.8V

IC971

3.3V REG

IC671

BASS AMP

BASS PWB

3.3V

1.8V

IC702

MAIN MEMORY

9

8

7

20

CVSS2(Y)

6

36,37

41

42

SEL

VSP

HSP

COLOUR

DEC.

H/V

SCALER

DRAM

A-D

CONVERT

OVER

SAMPLE

I2C

RGB

MATRIX

D-A

CONVERT

IC301

PIP CONTROL

SYNC

PROC.

V

Y

U

29, 30 SIF IN

VIF IN

SIF DETECT

VIDEO

IDENT.

AUDIO

CONTROL

COMB FILTER

Y DELAY ADJ.

COLOUR

DECODER

SYNC

SEP.

H. DRIVE

VIF DETECT/AGC/AFT

SOUND TRAP

TELETEXT DECODER

DIGITAL SIGNAL PROCESS

PEAKING SCAN

VELOCITY MOD.

U/V DELAY

RGB MATRIX

&

GAMMA

CONTROL

AUDIO

SELECT

VIDEO

SELECT

I/O

PORT

AUDIO

SELECT

G3/Y

B3/PB

R3/PR

V2/Y

Y1/CVBS

C1

V3

L1

L2

L3

R1

R2

R3

V_OUT

L_OUT

R_OUT

24, 25

S_V_DET

122

79

80

78

55

58

59

51

49

50

56

57

34

35

48

36

37

ROUT 85

GOUT

BOUT

86

87

SVM 65

Vin/R2/Pr

Yin/G2/Y

Uin/R2/Pr

70

72

71

VDRA+, VDRB-

HOUT

CVBSO/PIP(PIP_OUT)

22, 23

67

64

A_L

A_R

60

61

PIP_SEL 75

R

R

G

G

B

B

I2C

BUS

KEY_IN

REMOTE

ROTATION

PW_LED

SCL0, SDA0

SCL1, SDA1

98,99

97

119

111

127,128

108,109

MAIN MICRO COMPUTER/TELETEXT DECODE/IF.VIDEO.RGB.SYNC.DEF. PROCESSIC701

V. DRIVE

MICRO

COMPUTER

BASE-BAND

DELAY LINE

Y

C

B-YR-Y

SKIN TONE

U/V TINT

SATURATION

OSD/TEXT

INSERT

VIDEO-1S-VIDEO

INPUT

VIDEO-2COMPONENTVIDEO

INPUT

OUTPUTVIDEO-3

INPUT

(FRONT)

FRONT CONTROL PWB(1/2)

FRONT CONTROLPWB(2/2)IC481ROTATION3, 6ROTATIONCOIL2, 8

[AV-29MXP6/V]

Contents

Main SERVICE MANUAL 2006/10 FLAT COLOUR TELEVISION CW3 AV-21MXP6/V, AV-25MXP6 AV-29MXP6 SPECIFICATION SECTION 1 PRECAUTION SECTION 2 SPECIFIC SERVICE INSTRUCTIONS 2.3 TECHNINAL INFORMATION 2.3.1 MAIN MI-COM (CPU) PIN FUNCTION SECTION 3 DISASSEMBLY (No.YA476)1-7 Fig.1 [AV-21MXP6/X] Page Fig.2 [AV-25MXP6/V] Page Fig.3 [FRONT SIDE] Fig.4 [AV-29MXP6/V] Fig.4 ******* **** ***** ***** **** **** *** *** Page Page Page SECTION 4 ADJUSTMENT 4.5 ADJUSTMENT LOCATION [AV-21MXP6/V, AV-25MXP6/V] MAIN PWB ASS'Y (CRT SOCKET) FRONT MAIN PWB ASS'Y TOP TP-47R/G MAIN PWB ASSY MAIN PWB ASSY (CRT SOCKET) FRONT CONTROL PWB ASSY (1/2) FRONT CONTROL PWB ASSY (2/2) SPEAKER (R) ROTATION COIL Page 1-20 (No.YA476) 4.7.4 SERVICE MODE FLOW CHART (**) 3. AUDIO **** ** ** ** ** ** ** ** ** Setting value (Hexadecimal) Setting value Sereen size FULL COMPRESS Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page SECTION 5 TROUBLESHOOTING Page SCHEMATIC DIAGRAMS FLAT COLOUR TELEVISION AV-21MXP6/V, AV-25MXP6/V AV-29MXP6 (No.YA476)2-1 5.NOTE FOR REPAIRING SERVICE STANDARD CIRCUIT DIAGRAM AV-21MXP6 /V, AV-25MXP6 /V, AV-29MXP6 NOTE ON USING CIRCUIT DIAGRAMS 4.INDICATIONS ON THE CIRCUIT DIAGRAM 3.INDICATION OF PARTS SYMBOL [EXAMPLE] CONTENTS PATTERN DIAGRAMS .............................................................................. 2-25 USING P.W. BOARD (CRT SOCKET) 2-4(No.YA476)(No.YA476)2-3 BLOCK DIAGRAMS [AV-21MXP6/V, AV-25MXP/V] (No.YA476)2-5 2-6(No.YA476) IC601 AUDIO AMP SPEAKER R CRT SOCKET PWB V. DRIVE IC351 RGB OUT 2, 8 Q208, Q209 VM OUT VM COIL CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM [AV-21MXP6/V] (1/4) (2/4) SHEET1 MAIN PWB ASS'Y(1/4) SCW-1645A-H2 [AV-21MXP6/V] (No.YA476)2-9 2-10(No.YA476) c21244001a.001.2/2 MAIN PWB ASS'Y(3/4) SCW-1645A-H2 [AV-21MXP6/V] MAIN PWB CIRCUIT DIAGRAM [AV-21MXP6/V] (3/4)(4/4) SHEET2 MAIN PWB ASS'Y(4/4) (CRT SOCKET) SCW-1645A-H2 [AV-21MXP6/V] DEF YOKE ADJUSTMENT CONNECTOR MAIN PWB ASS'Y(1/4) SCW-1646A-H2 [AV-25MXP6/V] (No.YA476)2-13 2-14(No.YA476) c21246001a.001.2/2 MAIN PWB(1/4) SHEET3 CN00T DEG COIL MAIN PWB ASS'Y(3/4) SCW-1646A-H2 [AV-25MXP6/V] MAIN PWB CIRCUIT DIAGRAM [AV-25MXP6/V] (3/4)(4/4) SHEET4 MAIN PWB ASS'Y(4/4) (CRT SOCKET) SCW-1646A-H2 [AV-25MXP6/V] ADJUSTMENT CONNECTOR AC110V-AC240V 50Hz/60Hz MAIN PWB ASS'Y(1/4) SCW-1647A-H2 [AV-29MXP6/V] (No.YA476)2-17 2-18(No.YA476) c21260001a.001.2/2 DEF YOKE CRT SOCKET PWB ASS'Y SHEET7 CN00U ADJUSTMENT CONNECTOR MAIN PWB ASS'Y(2/2) SCW-1647A-H2 [AV-29MXP6/V] 2-20(No.YA476)(No.YA476)2-19 CRT SOCKET PWB ASS'Y SCW-3037A-H2 CRT SOCKET PWB CIRCUIT DIAGRAM [AV-29MXP6/V] SHEET 7 CN00T MAIN PWB (2/2) SHEET6 CN00U (No.YA476)2-21 2-22(No.YA476) FRONT CONTROL PWB ASS'Y SCW-8019A-H2 FRONT CONTROL PWB CIRCUIT DIAGRAM [AV-29MXP6/V] SHEET 8 CN001 CN002 MAIN PWB (2/2) SHEET6 CN00W BASS PWB ASS'Y SCW-6001A-H2 [AV-21MXP6/V, AV-25MXP6/V] SCW-6003A-H2 [AV-29MXP6/V] (No.YA476)2-25 2-26(No.YA476) Y813 B1 Y942 Y941 C973 K651 B1 MAIN PWB PATTERN [AV-29MXP6/V] Y606 CN00M E ( IC671 BASS PWB PATTERN [PARTS SIDE] ) ( ) R6 82 C682 84 FRONT CONTROL PWB PATTERN [AV-29MXP6/V] 2-32(No.YA476)(No.YA476)2-31 VOLTAGE CHARTS [AV-21MXP6/V, AV-25MXP6/V] [AV-29MXP6/V] (No.YA476)2-33 2-34(No.YA476) WAVEFORMS (No.YA476)2-35 [AV-21MXP6/V, AV-25MXP6/V] -CRT SOCKET PWB- -MAIN PWB- -CRT SOCKET PWB- Page (No.YA476)3-1 PARTS LIST CAUTION CONTENTS [AV-21MXP6/V] [AV-25MXP6/V] [AV-29MXP6/V] (No.YA476)3-3 [AV-21MXP6/V] P.W.B ASS'Y AV-21MXP6/V MAIN P.W.B SCW-1645A-H2 BASS P.W.B SCW-6001A-H2 3-4(No.YA476) (No.YA476)3-5 MAIN P.W. BOARD ASS'Y (SCW-1645A-H2) 3-6(No.YA476) (No.YA476)3-7 BASS P.W. BOARD ASS'Y (SCW-6001A-H2) 3-8(No.YA476) (No.YA476)3-9 3-10(No.YA476) (No.YA476)3-11 [AV-25MXP6/V] P.W.B ASS'Y AV-25MXP6/V MAIN P.W.B SCW-1646A-H2 BASS P.W.B SCW-6001A-H2 3-12(No.YA476) (No.YA476)3-13 MAIN P.W. BOARD ASS'Y (SCW-1646A-H2) 3-14(No.YA476) (No.YA476)3-15 3-16(No.YA476) (No.YA476)3-17 BASS P.W. BOARD ASS'Y (SCW-6001A-H2) 3-18(No.YA476) [AV-29MXP6/V] (No.YA476)3-19 V01 L01 T522 DY01 100 MAIN P.W. BOARD ASS'Y (SCW-1647A-H2) (No.YA476)3-21 3-22(No.YA476) (No.YA476)3-23 3-24(No.YA476) CRT SOCKET P.W. BOARD ASS'Y (SCW-3037A-H2) FRONT CONTROL P.W. BOARD ASS'Y (SCW-8019A-H2) BASS P.W. BOARD ASS'Y (SCW-6003A-H2) (No.YA476)3-25 3-26(No.YA476) INSTRUCTIONS COLOUR TELEVISION Page Knowing your TVs features Main features Remote control buttons and basic functions Remote control buttons and basic functions (continued) How to operate menus and menus locations MENU Top menu 2nd menu Top menu 3rd menuMENU 2nd menu TV buttons and functions AV-21B316 Front of the TV AV-29S356 Rear of the TV AV-29S356 How to operate the menus with the TV button Setting up your TV CAUTION Turn off the equipment including the TV before connecting. 1 3 4 5 Setting up your TV (continued) COLOUR SYSTEM PICTURE MODE Basic setting for picture 10 PICTURE SETTING 1 2 Basic setting for picture (continued) WHITE BALANCE PICTURE BOOSTER Advanced setting for picture PIP Original features for picture SOUND SYSTEM Basic setting for sound SOUND MODE BALANCE 14 CINEMA SURROUND Advanced setting for sound EQUALIZER 1 2 3 4 AI VOLUME DVD Menu DVD SOUND MODE DVD PICTURE MODE DVD THEATER STATUS AUTO SIGNAL DETECT Customized setting ON TIMER 1 2 3 17 Customized setting (continued) BEEP 1 2 DISPLAY TV channel presetting 2 3 4 5 6 19 To add in the new channel (INSERT in the EDIT menu) 5 2 3 TV channel presetting (continued) CH/CC number Channel No. Country US United States, Philippines, etc.. CCIR Connecting to front video input terminals Additional preparation Connecting to rear component/video input terminals and output terminals Front of TV Rear of TV Troubleshooting Speci cations Design and speci cations subject to change without notice. Speci cations Design and speci cations subject to change without notice.