Text preview for : SONY KV-25M2_T2.pdf part of Sony KV-25M2 Trinitron colour TV
Self diagnostic function
SONY KV-25M2 KV-25T2
chassis: FE-1
Back to : SONY KV-25M2_T2.rar | Home
SELF-DIAGNOSTIC FUNCTION
SERVICE MANUAL
MODEL
COMMANDER DEST CHASSIS NO.
FE-1
MODEL
COMMANDER
CHASSIS
CHASSIS NO.
DEST
KV-25M2A KV-25T2A KV-25T2B KV-25M2D KV-25T2D KV-25M2E
RM-883
Italian
SCC-Q06G-A
RM-883
Italian
SCC-Q06H-A
RM-883
French
SCC-Q02G-A
RM-883
AEP
SCC-Q04G-A
RM-883
AEP
SCC-Q04H-A
RM-883
Spanish
SCC-Q05G-A
KV-25T2E KV-25M2K KV-25T2K KV-25T2R KV-25T2L KV-25T2U
RM-883
Spanish
SCC-Q05H-A
RM-883
OIRT
SCC-Q03J-A
RM-883
OIRT
SCC-Q03K-A
RM-883
OIRT
SCC-Q03L-A
RM-883
Irish
SCC-Q07C-A
RM-883
UK
SCC-Q01E-A
/
MENU
PROGR
RM-883
TRINITRON ® COLOR TV
MICROFILM
®
1
5-4 SEMICONDUCTORS
LM393P TDA2822M TEA2124
8 7 6 5
STV9379
BF421-AMMO 2SA1091-O
AK04-V1 AU-012-V1 DINL20-TR ERB44-06TP1 EG-1Z-V1 EL1Z
ERD28-06S ERC06-15 GP08DPKG23 RG1CLF-B1 RGP10GPKG23 RU-4AM-T3
CATHODE 1 1 2 3 4 3 2 5 4 7 6
( TOP VIEW )
E
C
B
SAA5498PS/M1A/019 SAA5498PS/M1A/041 SAA5498PS/M1A/042 SAA5498PS/M1A/043
52 27
ST24W08FM6TR
8 5
2SC688-LK
ANODE
DAN202K DAN202K-T146
1
4
3
( TOP VIEW )
1
1 ( TOP VIEW ) 26 E C B
2
TDA7494 SBX1981-51
2
3
1
1 15
DTC114EK DTC114EKA-T146 DTC144EKA-T-146R 2SA1037K-T-1462SC2412K-QR 2SC2412K-T-146-R
C
MTZJ-T-77-5.6B MTZJ-T-77-5.6C MTZJ-T-77-6.8A MTZJ-T-77-6.8C MTZJ-T-77-9.1A MTZJ-T-77-9.1B MTZJ-T-77-12B
RD3.9ES-B2 RD5.6ESB2 RD6.8ES-B2 RD9.1ES-B3 1SS119-25TD 1SS133T-77
SE-135N SE135N-LF12
TDA9818-V1 TDA9817-V1
24 13
B
E
CATHODE
1 ( TOP VIEW )
12
2SA933AS-QRT 2SA933AS-RT 2SC1740S-RT
LETTER SIDE
ANODE
3 1 2
SEL12108-D
1 V OUT 2 V IN 3 GND
TOP209P
8 5
STR-F6654
1 4 ( TOP VIEW ) E C B ANODE CATHODE
TYA7805CTV TYA7809CTV
1
2SK2251-01-F19 UF4005PKG23
ANODE
5
CATHODE E B C
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
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 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 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