Download SERVICE MANUAL FE

SELF-DIAGNOSTIC FUNCTION
SERVICE MANUAL
MODEL
KV-25R2A
KV-25R2D
KV-25R2E
COMMANDER
DEST
CHASSIS NO.
RM-883
Italian
SCC-Q06J-A
RM-883
AEP
SCC-Q04J-A
RM-883
Spanish
SCC-Q05J-A
FE-1 CHASSIS
MODEL
COMMANDER
KV-25R2K
KV-25R2R
DEST
CHASSIS NO.
RM-883
OIRT
SCC-Q03Q-A
RM-883
OIRT
SCC-Q03P-A
/
MENU
PROGR
RM-883
TRINITRON ® COLOR TV
®
MICROFILM
1
WAVEFORMS A BOARD
1
PAL
1
5
2.6 Vp-p (H)
9
1.1KVp-p (H)
PAL
2.4 Vp-p (H)
WAVEFORMS C BOARD
1
2
102 Vp-p (H)
3
95 Vp-p (H)
4
93 Vp-p (H)
24 Vp-p (H)
15
SECAM
3.0 Vp-p (H)
2.6 Vp-p (H)
8
2.0 Vp-p (H)
1.4 Vp-p (H)
12
142 Vp-p (H)
3
1.3 Vp-p (H)
5.0 Vp-p (H)
12 Vp-p (H)
SECAM
7
11
15
2
1.0 Vp-p (H)
0.5 Vp-p (H)
146 Vp-p (V)
PAL
6
10
14
2
1.3 Vp-p (H)
1.0 Vp-p (H)
4
SECAM
13
56 Vp-p (V)
290 Vp-p (H)
5-4 SEMICONDUCTORS
SBX1981-51
CD4052BCM
DTC114EK
DTC114EKA-T146
DTC144EKA-T-146R
2SA1037K-T-146-QR
2SC2412K-QR
2SC2412K-T-146-R
TDA9818-V1
9
16
24
13
8
1
1
(TOP VIEW)
12
( TOP VIEW )
LM2940CT-9.0
SE-135N
SE135N-LF12
C
TDA9870
E
B
64
32
2SC688-LK
1
3
IN
GND
OUT
2
1
LM393N
TDA2822M
TEA2124
31
( TOP VIEW )
1 V OUT
2 V IN
3 GND
TOP209P
STR-F6654
8
5
E
8
7
6
C
5
1
4
( TOP VIEW )
1
2
3
B
SD2539 (SONY)
1
4
( TOP VIEW )
TYA7805CTV
TYA7809CTV
5
NJM4558M-TE2
STV9379
8
5
B
C
E
1
4
( TOP VIEW )
2SA933AS-QRT
2SA933AS-RT
2SC1740S-RT
1
3
2
5 4
7 6
PST593C-MMP-4P
4
BF421-AMMO
2SA1091-O
3
LETTER SIDE
ST24W08FM6TR
8
5
1
4
2
1
( TOP VIEW )
E
C
E
B
C
B
( TOP VIEW )
SAA5498PS/M1A/056
SAA5498PS/M1A/074
SAA5498PS/M1A/076
52
BF87-127
2SK2251-01-F19
TDA7495
27
1
1
26
( TOP VIEW )
E
15
45
B
C
E
B
C
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
2
3
VOLUME
1
FLYBACK
GENERATOR
14
30K
OP AMP
-
1
POWER
AMPLIFIER
5
+
7
9
MUTE/STBY
PROTECTIONS
THERMAL
PROTECTION
10
VOLUME
60K
5
12
30K
OP AMP
4
3
A BOARD IC101 TDA9817/V1
22
15
TUNER
AGC
14
4
6
7
19
18
17
21
20
A BOARD IC606 STR-F6654
VOLTAGE
REFERENCE
VIF
AGC
4
4
AFC
DETECTOR
3
1
VIF
AMPLIFIER
2
23
VCO
TWO
FPLL
SIF
AGC
VIDEO
DEMODULATOR
AND AMPLIFIER
O.V.P
LATCH
DRIVE
16
REG
QSS MIXER
INTERCARRIER
MIXER
AM DEMODULATOR
SIF
AMPLIFIER
24
START
2
T.S.D
O.S.C
8
1
Iconst
INTERCARRIER
MODE SWITCH
FM-PLL DEMODULATOR
5
3
12
13
9
5
10 11
A BOARD IC301 CXA2060AS
ACC AMP
41
4
MONITOR SW
7
VIDEO SW
9
<VIDEO SEL>
<S SEL>
6
COUNT DOWN
V SYNC SEP
<VSS>
<VSS LPF>
H SYNC SEP
<HSS>
30
29
ABL/PEAK LIM
<ABL MODE>
<ABL VTH>
VPROT
<VNG>
VM AMP
(OFF YS/YM)
DAC
SW
PC BUS
DECODER
STATUS I/T
21
24
R/G/B BLK
<PON>
<RGB ON>
Y/C MIX
RGB CLAMP
AKB
<IKR>
DRIVE AMP
<R/G/B DRIVE>
CLAMP
RGB 2/2
DPIC
CLAMP
DC TRAN
<DC TRAN>
31
23
22
35
34
FILTER ALIGNMENT
TRAP
PAL 4.43MHz
NTSC 3.58MHz
SECAM 4.2 - 4.43MHz
<TRAP OFF>
Y SW
SECAM
VCO
CAL. by
4.43MHz
PLL
SECAM
FM DEMOD
ACC DET
ATT
CHROMA SW
LIM
AMP
(ZAP)
ACC AMP
43
2
BELL
FILTER
32
CUTOFF CONT
<R/G/B CUTOFF>
BPF
PAL 4.43MHz
NTSC 3.58MHz
<C BPF>
25
3
COLOR AMP
<COLOR>
<C DFF>
AXIS
<COL MATRIX>
<DPIC>
<AGING>
26
42
EYUV CLAMP
YUV SW
<Y SEL>
YUV OUT
<C DECOD>
1H
DELAY LINE
(PAL/SECAM)
27
CLAMP
DEEMPHASIS
28
BRIGHT CONT
<BRIGHT>
LINE BLK
39 38 37 36
GAMMA AMP
<GAMMA>
CHROMA
AMP
15
SW
NTSC
PAL,SECAM
KILLER
<KILLER OFF>
PAL/NTSC
DEMOD
COLOR SYSTEM DISCRIMINATOR
PAL ID <PAL/NTSC> <XTAL ID>
PAL/NTSC COLOR KILLER <KILLER>
SECAM ID <SECAM>
<XTAL> <COL SYSTEM> <COL LOOP>
<ID START> <ID STOP> <HUE>
ACO DET.
1
PICTURE AMP
<PICTURE>
APC
<HUE>
5
DYNAMIC COLOR
<DY COL>
46
YM SW
47
C VCO
4.433619MHz
3.579545MHz
9.582058MHz
Y32 SW
48
YS1 SW
<RGB SEL>
45
<FIELD FREQ>
<CD MODE>
<INTERLACE>
AFC
<APC GAIN>
<FH HIGH>
<H CENT>
20
DL
PAL/NTSC
300 x 200nS
SECAM
300 x 200nS
<Y DELAY>
LINE COUNTER
V TIM GEN
<UNDER SCAN>
SHARPNESS DL
SHARPNESS AMP
<SHARPNESS>
<SHP FO>
<PREOVER>
VD SAW FUNC
<VON>
<VSIZE>
<V POSITION>
WIDE SAW FUNC
<ASPECT>
<SCROLL>
<UPPER VLIN>
<LOWER VLIN>
<V ZOOM>
<V UNDER SCAN>
V SAW GEN
(50/50)
VTIM
EW PARABOLA FUNC
<H SIZE>
<PIN AMP>
<CORNER PIN>
<FIELD ID>
H SAW GEN
H OSC
<ZAP>
PHASE DET
<H POSITION>
<AFC BOW>
<AFC ANGLE>
HPROT
<HNG>
H TIM GEN
<H BLK>
<LEFT HBLK>
<RIGHT HBLK>
17
5
18
47
14
<S CORRECTION>
<V LINEARITY>
<EHT COMP>
HD GEN
<HD W>
19
IREF
10
REG
12
16
33
<TRAPEZIUM>
<EW DC>
13
11