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SELF-DIAGNOSTIC FUNCTION
SERVICE MANUAL
MODEL
COMMANDER DEST CHASSIS NO.
FE-1 CHASSIS
MODEL
COMMANDER DEST CHASSIS NO.
KV-21M5D KV-21T5D KV-21M5K
RM-883
AEP
SCC-Q04M-A
RM-883
AEP
SCC-Q04N-A
KV-21T5K KV-21T5R
RM-883
OIRT
SCC-Q03X-A
RM-883
OIRT
SCC-Q03W-A
RM-883
OIRT
SCC-Q03V-A
/ N
MENU
PROGR
Layer 1 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
LM393N TDA2822M TEA2124
8 7 6 5
ST24W08FM6TR
8 5
DTC114EK DTC114EKA-T146 DTC144EKA-T-146R 2SA1037K-T-146-QR 2SC2412K-QR 2SC2412K-T-146-R
DAN202K DAN202K-T146
3
1
1
1 2 3 4
4
C
2
( TOP VIEW )
( TOP VIEW )
E
SE-135N SE-135N-LF12
TDA7494
B
2
3
1
2SC688-LK D45B60L-F
1 15 3 1 2 1 V OUT 2 V IN 3 GND
TDA9817-V1 SAA5498PS/M1A/079 SAA5498PS/M1A/080 SAA5498PS/M1A/081 SAA5498PS/M1A/088
52 27 1 ( TOP VIEW ) 12 E 24 13 C B
2SA933AS-QRT 2SA933AS-RT 2SC1740S-RT
LETTER SIDE
1 ( TOP VIEW )
26
TOP209P
8 5
SBX1981-51
AK04VO AK04WS ERC04-6SE HZS9.1NB2 MTZJ-T-77-4.7B MTZJ-T-77-5.6B MTZJ-T-77-12B MTZJ-T-77-22B
MTZJ-T-77-33A P6KE200AG23 RD5.6ESB2 RD6.8ES-B2 RN3Z-LF014-302 1SS119-25TD 1SS133T-77
1 4 ( TOP VIEW )
CATHODE E C B
TYA7805CTV STR-F6654 AK04-V1 AU-01Z-V1 DINL20-TA ERB44-06TP1 EG-1Z-V1 EL1Z ERD28-06S ERC04-06SE ERC06-15S FMN-G12S BF421-AMMO 2SA1091-O GP08DPKG23 GP10GPKG23 GP15GPKG23 LSB360HL RB501V-40TE-T7 RG1CLF-B1 RGPO2-17EL-6433 RGP15GPKG23 RGP10GPKG23 RU-4AM-T3
ANODE
UF4005PKG23
ANODE
1
5
CATHODE
CATHODE
STV9379
ANODE
E
1 3 2 5 4 7 6
C
B
39
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