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SELF-DIAGNOSTIC FUNCTION

SERVICE MANUAL
MODEL
COMMANDER DEST CHASSIS NO.

FE-1 CHASSIS
MODEL
COMMANDER DEST CHASSIS NO.

KV-25R2A KV-25R2D KV-25R2E

RM-883

Italian

SCC-Q06J-A

RM-883

AEP

SCC-Q04J-A

KV-25R2K KV-25R2R

RM-883

OIRT

SCC-Q03Q-A

RM-883

OIRT

SCC-Q03P-A

RM-883

Spanish

SCC-Q05J-A

/

MENU

PROGR

RM-883

TRINITRON ® COLOR TV
MICROFILM

®
1

WAVEFORMS A BOARD
1 PAL 1 SECAM 2 PAL 2 SECAM 3

1.0 Vp-p (H) 4 5

1.3 Vp-p (H) 6

1.0 Vp-p (H) 7

1.3 Vp-p (H) 8

2.6 Vp-p (H)

2.6 Vp-p (H) 9 10

0.5 Vp-p (H) 11

5.0 Vp-p (H) 12

1.4 Vp-p (H) 13

2.0 Vp-p (H)

146 Vp-p (V) 14 15

12 Vp-p (H) PAL 15

142 Vp-p (H) SECAM

56 Vp-p (V)

290 Vp-p (H)

1.1KVp-p (H)

2.4 Vp-p (H)

3.0 Vp-p (H)

WAVEFORMS C BOARD
1 2

102 Vp-p (H) 3 4

95 Vp-p (H)

93 Vp-p (H)

24 Vp-p (H)

5-4 SEMICONDUCTORS
CD4052BCM
16 9
24 13

SBX1981-51

TDA9818-V1

1 (TOP VIEW)

8
1 ( TOP VIEW ) 12

DTC114EK DTC114EKA-T146 DTC144EKA-T-146R 2SA1037K-T-146-QR 2SC2412K-QR 2SC2412K-T-146-R

C

LM2940CT-9.0

SE-135N SE135N-LF12

TDA9870
B

E

64

32

2SC688-LK

1 IN GND OUT 1 2 3 1 V OUT 2 V IN 3 GND ( TOP VIEW )

31

LM393N TDA2822M TEA2124
8 7 6 5

STR-F6654

TOP209P
8 5
E C B

1 4 ( TOP VIEW )

SD2539 (SONY)

1

2

3

4

1

( TOP VIEW )

5

TYA7805CTV TYA7809CTV

NJM4558M-TE2 STV9379
8 5

B C E

1 4 ( TOP VIEW )

1 3

PST593C-MMP-4P
4 3

2 5 4 7 6

BF421-AMMO 2SA1091-O

2SA933AS-QRT 2SA933AS-RT 2SC1740S-RT
LETTER SIDE

ST24W08FM6TR
8 5

2 1 ( TOP VIEW )
1 4 ( TOP VIEW )

E

C

B

E

C

B

SAA5498PS/M1A/056 SAA5498PS/M1A/074 SAA5498PS/M1A/076

BF87-127 TDA7495

2SK2251-01-F19

52

27

1 1 ( TOP VIEW ) 26 15 E B C E B C

45

AK04-V1 AU-01Z-V1 DINL20-TR ERB44-06TP1 EG-1Z-V1 EL1Z ERD28-06S ERC06-15S FMN-G12S

GP08DPKG23 GP15GPKG23 LSB360HL RB501V-40TE-T7 RG1CLF-B1 RGPO2-17EL-6433 RGP15GPKG23 RGP10GPKG23 RU-4AM-T3

UF4005PKG23

ANODE

CATHODE

CATHODE

ANODE

DAN202K DAN202K-T146

3

1 2

2

3

1

D45B60L-F

AK04WS ERC04-6SE MTZJ-T-77-4.7B MTZJ-T-77-3.9B MTZJ-T-77-5.6B MTZJ-T-77-6.8A MTZJ-T-77-9.1B MTZJ-T-77-12B MTZJ-T-77-22B

MTZJ-T-77-33A P6KE200AG23 RD3.9ES-B2 RD5.6ESB2 RD6.8ES-B2 RD9.1ES-B3 RN3Z-LF014-302 1SS119-25TD 1SS133T-77

CATHODE

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-F6654
4

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

FPLL

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 CXA2060AS
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

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

CLAMP DC TRAN

DAC SW

PC BUS DECODER STATUS I/T

35 34

ACC AMP

ACC AMP

ACC DET

FILTER ALIGNMENT

43 2 41 4 7 9 6 CHROMA 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

Y SW V SYNC SEP

MONITOR SW VIDEO SW