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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