Text preview for : KV-21FX20.pdf part of Sony KV-21FX20A/B/D/E/K/R CHASSIS:FE-1A



Back to : KV-21FX20.part1.rar | Home

SERVICE MANUAL
MODEL
COMMANDER DEST CHASSIS NO.

FE-1A
MODEL
COMMANDER DEST

CHASSIS
CHASSIS NO.

KV-21FX20A KV-21FX20B KV-21FX20D

RM-887

Italian

SCC-Q32D-A

RM-887

French

SCC-Q33D-A

RM-887

AEP

SCC-Q31D-A

KV-21FX20E KV-21FX20K KV-21FX20R

RM-887

Spanish

SCC-Q34D-A

RM-887

OIRT

SCC-Q36E-A

RM-887

OIRT

SCC-Q36F-A

TRINITRON COLOR TV
MICROFILM


1

5-4. SEMICONDUCTORS (1)
LM358DR-EZ NJM2233BL NJM4558M-TE2 NJM2903D
8 5

SE-135N SE135N-LF12

TDA7495

2SC4793

1 1 4 ( TOP VIEW ) 15 B

3 1 2

C

1 V OUT 2 V IN 3 GND

E

LM393PN TDA2822M TEA2124
8 7 6 5

STR-F6653 BF871-127

TDA9875 TDA9870
64 32

1

2

3

4

1

( TOP VIEW ) 1 ( TOP VIEW ) 31 E B C

5

LM294OCT-5.0 STV9379 TOP209P

8

5

1 4 ( TOP VIEW ) 1 IN GND OUT 3 2 5 4 7 6

PST593C-MMP-4P ST24W08FM6TR
4 3
8 5

BF421-AMMO 2SA1091-O

DTA144ESA DTA144ESA-TP DTC114EKA DTC114EKA-T146 DTC143TKA-T146 DTC144EKA-T-146R 2SA1037K-T-146-R R2SA1162-G 2SA1037K-T-146-QR 2SD601A-QTX 2SC1623-L5-L6 2SC2412K-QR 2SC2412K-T-146-R
C

2 1 ( TOP VIEW )

1

4

E

( TOP VIEW )

E

C

B

B

SBX1981-51

TDA9818-V1 TDA9817-V1

2SC688-LK

IRF614

24

13

1 ( TOP VIEW )

12 B C E C B E

45

5-4. SEMICONDUCTORS (2)
2SA933AS-QRT 2SAG33ASQT 2SA933AS-RT 2SC1740S-RT
LETTER SIDE

DAN202K DAN202K-T146

3

1 2

2

3

1

E

C

B

D4SB60L 2SC2785-HFE

E

C

B

2SK2251-01-F19

E

B

C

ERA81-004TP1 ERA83-006 MTZJ-3.6A MTZJ-T-77-2.2A HZS9.INBZ MTZJ-T-77-3.9B MTZJ-T-77-5.6B MTZJ-T-77-5.6C MTZJ-T-77-6.8A MTZJ-T-77-6.8C MTZJ-T-77-7.5B MTZJ-T-77-9.1B MTZJ-T-77-10

MTZJ-T-77-13B MTZJ-T-77-33A MTZJ-33C MTZJ-7.5B RD3.9ES-B2 RD5.6ESB2 RD6.8ES-B2 RD7.5ESB2 RD9.1ES-B3 RD10ESB2 RD15ESB2 1SS119-25

AK04-V1 AU-01Z-V1 BYD33G BYD33GAMMO DINL20-TR ERB44-06TP1 EGP20G EG-1Z-V1 EL1Z ERD28-06S ERD28-08S

ERC06-15SL FMN-G12S GP08D RG1CLF-B1 RGP10GPKG23 RGP15GPKG23 RU-AM RU3YX-LF-C4 RU3YX-V1 RU-4AM-T3 1N148 1SS292T-77

CATHODE

ANODE

SLA-570KT3F

CATHODE

CATHODE ANODE ANODE

46

5-5. IC BLOCK DIAGRAMS
A BOARD IC201 TDA7495 A BOARD IC501 STV 9379
2 6 3 2

VOLUME FLYBACK GENERATOR
1 1 14

30K OP AMP

POWER AMPLIFIER
5 9

7

+

THERMAL PROTECTION
5

MUTE/STBY PROTECTIONS VOLUME 60K

10

12

30K
4

OP AMP

A BOARD IC101 TDA9817/V1
22 15 4 6 7 19 18 17 21 20

3

4

14

TUNER AGC

VIF AGC AFC DETECTOR

VOLTAGE REFERENCE

A BOARD IC606 STR-F6653
4

3 1 2 VIF AMPLIFIER VCO TWO START VIDEO DEMODULATOR AND AMPLIFIER 16 O.V.P LATCH DRIVE 2

FPLL

REG

23 24

SIF AMPLIFIER

QSS MIXER INTERCARRIER MIXER AM DEMODULATOR

T.S.D 8 Iconst

O.S.C 1

SIF AGC

INTERCARRIER MODE SWITCH

FM-PLL DEMODULATOR

5

3

12

13

9

10 11

5

A BOARD IC301 CXA2140S
45 48 47 46 5 1 15 39 38 37 36 28 27 26 25 32 31 30 29 42 3 CLAMP RGB 2/2 ABL/PEAK LIM AKB 21 C VCO 4.433619MHz 3.579545MHz 9.582058MHz

APC

PAL/NTSC DEMOD

SW NTSC PAL,SECAM KILLER

EYUV CLAMP YUV SW YUV OUT COLOR AMP AXIS Y/C MIX RGB CLAMP VPROT VM AMP (OFF YS/YM)

ACO DET.

DYNAMIC COLOR

CUTOFF CONT

DRIVE AMP

BRIGHT CONT

PICTURE AMP

GAMMA AMP

YS1 SW

CHROMA AMP

DEEMPHASIS

R/G/B BLK

Y32 SW

CLAMP

YM SW

COLOR SYSTEM DISCRIMINATOR PAL ID PAL/NTSC COLOR KILLER SECAM ID

LINE BLK

1H DELAY LINE (PAL/SECAM) DPIC CLAMP DC TRAN

24 23 22

BPF PAL 4.43MHz NTSC 3.58MHz

BELL FILTER (ZAP)

LIM AMP

PLL SECAM FM DEMOD

SECAM VCO CAL. by 4.43MHz

DAC SW

PC BUS DECODER STATUS I/T

35 34

ACC AMP

ACC AMP

ACC DET

FILTER ALIGNMENT

43 CHROMA SW 2 41 4 7 9 6 Y SW

ATT

TRAP PAL 4.43MHz NTSC 3.58MHz SECAM 4.2 - 4.43MHz COUNT DOWN

DL PAL/NTSC 300 x 200nS SECAM 300 x 200nS LINE COUNTER V TIM GEN

SHARPNESS DL SHARPNESS AMP

WIDE SAW FUNC

VD SAW FUNC

14

13

MONITOR SW VIDEO SW