File name SONY KV-25X5.pdfSELF-DIAGNOSTIC FUNCTION
SERVICE MANUAL
MODEL
COMMANDER DEST CHASSIS NO.
FE-1
MODEL
COMMANDER
CHASSIS
CHASSIS NO.
DEST
KV-25X5A KV-25X5B KV-25X5D KV-25X5E
RM-883
Italian
SCC-Q06E-A
RM-883
French
SCC-Q02E-A
RM-883
AEP
SCC-Q04E-A
RM-883
Spanish
SCC-Q05E-A
KV-25X5K KV-25X5L KV-25X5R KV-25X5U
RM-883
OIRT
SCC-Q03E-A
RM-883
Irish
SCC-Q07B-A
RM-883
OIRT
SCC-Q03F-A
RM-883
UK
SCC-Q01D-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 (1)
CD4052BCM
16 9
64 32
STR-F6654
TDA9875 TDA9870
2SA1837
1 (TOP VIEW)
8
1 ( TOP VIEW ) B C E 31
1
LM358DR-EZ NJM4558M-TE2 NJM2903D
8 5
5
TOP209P STV9379
8 5
2SC4793
1 4 ( TOP VIEW ) 1 4 ( TOP VIEW )
LM393P TDA2822M TEA2124
8 7 6 5
B 1 3 2 5 4 7 6
C
E
TYA7805CTV TYA7809CTV ST24W08FM6TR
BF871-127
1
2
3
4
8
5
( TOP VIEW )
SAA5497PS/MIA/038 SAA5497PS/MIA/039 SAA5497PS/MIA040
52 27
E 1 4
B
C
( TOP VIEW )
BF421-AMMO 2SA1091-O TDA7495
1 ( TOP VIEW ) 26
SBX1981-51
DTA144ESA DTA144ESA-TP DTC114EK DTC114EKA-T146 DTC143TKA-T146 DTC144EKA-T-146R 2SA1037K-T-146R2SA1162-G 2SC2412K-QR 2SC2412K-T-146-R
1 15
E
C
B
C
E
2SC688-LK SE-135N SE135N-LF12 TDA9818-V1 TDA9817-V1
24 13
B
IRF614
1 ( TOP VIEW )
12
3 1 2
1 V OUT 2 V IN 3 GND
E C B B C E
51
5-4 SEMICONDUCTORS (2)
ERA81-004TP1 ERA83-006 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-77-7.5C MTZJ-T-77-9.1A MTZJ-T-77-9.1A MTZJ-T-77-10 MTZJ-T-77-33A MTZJ-33C MTZJ-7.5B RD3.9ES-B2 RD5.6ESB2 RD6.8ES-B2 RD7.5ESB2 RD9.1ES-B3 1SS119-25TD 1SS133T-77
2SA933AS-QRT 2SA933AS-RT 2SC1740S-RT
LETTER SIDE
E
C
B
CATHODE
2SK2251-01-F19
ANODE
SEL12108-D
E B C
AK04-V1 AU-012-V1 BYD33G BYD33GAMMO DINL20-TR ERB44-06TP1 EG-1Z-V1 EL1Z ERD28-06S
ERD28-08S ERC06-15 FMN-G12S RG1CLF-B1 RGP10GPKG23 RU3YX-LF-C4 RU3YX-V1 RU-4AM-T3 1SS292T-77
CATHODE ANODE
UF4005PK623
ANODE
CATHODE CATHODE
ANODE
DAN202K DAN202K-T146
3
1 2
2
3
1
52
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
O.V.P
LATCH
FPLL
DRIVE 2
REG
23 24
SIF AMPLIFIER
QSS MIXER INTERCARRIER MIXER AM DEMODULATOR
T.S.D
8
O.S.C Iconst 1
SIF AGC
INTERCARRIER MODE SWITCH
FM-PLL DEMODULATOR
5
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