Sony FD Trinitron KV-21LT1B Manuale utente

SERVICE MANUAL FE-2 CHASSIS

MODEL COMMANDER DEST CHASSIS NO.

KV-21LT1B

RM-887 French SCC-Q54C-A

KV-21LT1E

RM-887 Spanish SCC-Q5 C-A

KV-21LT1K

RM-887 OIRT SCC-Q51C-A

KV-21LT1U

RM-887 UK SCC-Q52C-A

MODEL COMMANDER DEST CHASSIS NO.

KV-21FT2K

RM-887 OIRT SCC-Q51E-A

RM-889

KV-21LT1

RM-887

KV-21FT2

25 26 27 28

5-2. BLOCK DIAGRAMS (1)

LOWB

CN001

J401

(1/2)

RELAY

SWITCH

Q601

T603

SRT

IC603

ERROR AMP

PH601

ISOLATOR

D639

RECT AUDIO

VCC

LOWB

3.3V REG

H-OUT

Q533

STBY

+3.3V

IC608

IC501

V OUTPUT

VD+

BOOST

REF

OUT

PIN OUT

Q532

D571,

Q571,574

T511

FBT

ABL

V DY

V- DY+

DY ASSY

V- DY-

H DY

H- DY+

H- DY-

V- DY+

V- DY-

H- DY+

TO C BOARD

CN707

200V

TO PICTURE

TUBE

IC531

PIN CORRECTION

PROTECT

VD-

T531

HDT

IC609

STANDBY

POWER

T602

D632

RECT

IC001

MICRO, VIDEO PROCESSOR,

ROM, AUDIO, VIDEO SWITCH

CN601

CN510

VGCH

CN508

XTAL OUT

RED

NVM WP

LED L AUDIO

TO SPEAKERS

A ( )

POWER SUPPLY, DEFLECTION,

SMALL SIGNAL BOARD,

AUDIO AMPLIFIER

IC601

D514

-15V RECT

VIDEO

+5V

STBY

DGC

CHECK

DGC CHECK

CN603

CN602

POWER

S601

H- DY-

TO C BOARD

CN706

IC604

DUAL DC REGULATOR +8V

D116

D617

D608

LINE FILTER

T601 RELAY

RY601

MAIN RECT

D601

VSENSE

TIMER

OCP

VG(G)

Q606

Q607

LOWB

D624

D622

D618

D619

VM VCC

QCP DETECT

Q612, 602

CN1201

J1200

R AUDIO

XTAL IN

AUDIO MUTE 5

AUD OUT/CV6520

6721 VCC OUT

IC002

REMOTE CONTROL

RECEIVER

+3.3V

STBY

+5V STBY

IC201

AUDIO AMP

MUTE

IN/INL

10 14

OUT/L

H-DRIVE

Q535

FUNCTION SWITCH

S001 - S006

IC401

AV LINK

+5V STBY

R0 58

A10

B10

G0 57

B0 56

IK 55

GREEN

BLUE

EWD 17

VD- 18

VD+ 19

ABL 54

TO C BOARD

CN703

TO C BOARD

CN1705

CN504

J401

(2/2)

NSC CORRECT

ROT COIL

AGC

SCL

SDA

VIDEO

IC004

SDA

SCL

71 SCL

72 SDA

36 CVBS2/

CVBSY2

2KEY/CS

3AGC

53 B2/UIN

1MODE1

80 MODE2

52 G2/YIN

51 R2/VIN

46 -/C4

50 INSSW2

40 CVBS1

45 -/CVBS4Y4

65 KEY/CS

32 AUDIO 1

29 AUDIO 2

42 CVBS3

A11

A15

A16

B20

B15

A20

BLUE IN

MODE1

MODE2

GREEN IN

RED IN

C2 IN

BLK

V IN 1

Y/V IN 2

IC003

RESET

BUFFER

Q401,411

A19

TU101 MUTE SW

Q212

AUDIO

VIDEO STBY 70

D513

+15V RECT

G DRIVE, BKG

Q705, 706

B DRIVE, BKG

Q708, 709

R OUT

Q704

G OUT

Q 707

B OUT

Q710

RV702

H STAT

PICTURE TUBE

CN703 R

CN707

TO A BOARD

CN502

TO A BOARD

T511 (FBT)

1+200V

RCV

TO A BOARD

CN504

R DRIVE, BKG

Q702, 703

CN706

TO T511 FBT G2 1000V

CN1801

ROTATION

COIL

CN1705

TO A BOARD

CN510 3

IC1801

4 5

feR B1TL12-VK E1TL12-VK K1TL12-VK U1TL12-VK K2TF12-VK

021CFu0001Fu0001Fu0001Fu0001mm0.5WJ

8221C---- Fu0022

1021NC,GULP

PROTCENNOC

,GULP

PROTCENNOC

,GULP

PROTCENNOC

,GULP

PROTCENNOC

,GULP

P4ROTCENNOC

06LHu. Hu. Hu. Hu. mm0.5WJ

0021Lmm0.5WJmm0.5WJmm0.5WJmm0.5WJ −

101UT114FE-FTB104CE-FTB104PE-FTB106UE-FTB104PE-FTB

34 35 36

36 37 38

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