Sanyo C25EG27 Original Manual page 22

Q102/Q104/Q106
QT0378(A:B): QT0378(A:B): QT0378(A:B):
2SC536(E-NP: 2SC536(E-NP: 2SC536(E-NP:
F-NP:G-NP) F-NP:G-NP) F-NP:G-NP)
BAND3
C172
25KZ0.1FA:
KZ0.1FA Z101
C171
1AA2SHF0116--
EM1
52
T
C173
51 16EM Z102
R173 10 1AA2SHF0162--
1/10GZ
0.0 R138
A-OUT 50 1/10GJ
R174 R137 5.6K
1/10 1/10GJ
GJ15K 100
AGC ADJ. 49
C138
KZ
R134
0.01FA
VR131 1/10GJ
AGC CAP. 48
R30128XMT: 8.2K
C134 R3D6103NJ
EM2.2 <B-1OK>
47
TU AGC
R135
R133
C133 1/10GJ
1/10GJ
KZ0.01FA 22K
180
IF IN-P 46
X131 C131
SF5345 1/10GZ
45
IF IN-M 0.0
AFT 44
C132
R351
KK1000BA
100
V-OUT 43
R352
1/10GJ
1M
V-RAMP 42 9V
C351 R356
63GK0.1V 1/10GJ
:HJ0.1G 100
V-F/B
41
C352
FK4700 R358
(BE:D) X
40 R357
AFC1
C353 1/10
C354
KK4700 GJ10K
EM1
BA
VR361
H-SHIFT 39
R30128XMT: R363
C361 R361
R3D6103NJ 1/10GJ
KK2700 1/10GJ
<B-10K> 22K
BA 390K
38
H-F/B
R364 R362
S.C.P
1/10GJ J
100
H-OUT 37
D361 C363
MTZJ11C: 16EM
UZ-11BSC 100
36
H-START
C362
KZ R365
C201
0.01FA 1/10GJ
CJ18CA
4.7K
4.43XTAL 35
X201
V10B2110N:
V1E042XCB R201
3.58XTAL 34
1/10GJ
R202 C202
8.2K
1/10GJ 63GK0.1V
100K :HJ0.1G
33
COL-PLL
C203
SECAM 32
KK4700BA
31
B-Y OUT
R-Y OUT 30
C204
25KZ0.1FA:
KZ0.1FA
29
R-Y IN
C205
25KZ0.1FA:
KZ0.1FA
B-Y IN 28
HUE 27
R213
1/10GJ
15K
R214
1/10GJ
6.8K
16
R-Y IN
C271
KK
1000BA
NC 15
14
B-Y IN
C272
KK
1000BA
REF 13
12
B-Y OUT
R-Y OUT 11
GND 10
R271
DJ220
9
VCC2
C274
X
D271
RD5.1EB3: C273
UZ-5.1BCC: KZ
MTZ5.1C 0.01FA
SW501 C520
S10B1370N KK1000BA
R513
1SJ
1K
L501
J
R511
D502
1SJ
X
470
C511
100GK
0.1P
C512 L445
25EM L445P1 L1AA0040-
2200T J30B0250N L445H2
L444P2
R509 L444P4
1SJ0.68 J30B0250N J30B0250N
L445H1
L444H4
L444
AC0040
C441H1 C441H2
L444P3 L444P1 R444
C441 L444H3
1SJ1K
400NJ J30B0250N J30B0250N
0.27EAQ
T471
FBT
L40B05600
D441
C422
ERD07
1500MJ
-15L
Q432H2 5100XE
D441H2
1
C422H2 C421H2 C491
C421
500KK R491
1500MJ
C421H1 680A 1/2DJ
C422H1 6200XE
Q432H3
D441H1 2.2
Q432H1
L432
10
J
D491
EU1
C425 C424 C492
D442
HORIZ. 400NJ 400NJ EM22
ERB44
OUTPUT 0.022 0.027
-04
EAQ EAQ 2 7
JS435 R429H1 T471H7
Q432
R429H2
J
2SD1556-3E
R429
5WJ
150V
Q432H 10
C429
4AA0 (I:VC)
250GJ
HA0019---
0.47
4 6
D495 T471H1
T471H10 R481
1SS133: T471H2
2SJ1.5
T471H5
1SS176
3 5
P.F
R496 R495
5.6K 180K
R222 R223 R224
DJ120K 10K DJ1K
C222
D445 PM2.2X
D446
1SS133: D447
1SS133:
1SS176 UZ-7.5BSC:
1SS176
UZ-8.2BSA
P.F
R447
R448
4.7K C445
1/2DJ330
EM10
8. This circuit diagram covers a basic or rep-
resentative chassis only. There may be
some components or partial circuit differ-
ences between the actual chassis and the
circuit diagram.
9. Diode 1S1555 may be replaced with
1S2473, 1S2076 or DS472 unless oth-
erwise noted.
Transistor 2SC536(Q,R,S),
2SC1740(Q,R,S), 2SC945A(Q,R,P) or
2SC1815(G,O,Y) unless otherwise
noted.
Transistor 2SA608(E,F) may be
replaced with 2SA933(Q,R),
2SA564(QA,RA), or 2SA1015(O,Y)
unless otherwise noted.
Part No. SKP20121 E7LGV
L105
J
R102/R104/R106 9V
1/10GJ 1/10GJ 1/10GJ
R105 12K 12K 12K
Q101/Q103/Q105
R106 QT0379(A:B): QT0379(A:B): QT0379(A:B):
2SA608(ECNP: 2SA608(ECNP: 2SA608(ECNP:
Q105
FCNP:GCNP) FCNP:GCNP) FCNP:GCNP)
R103
Q106
R104
C106
Q103
KZ0.01FA
R101
Q104
R102
Q101
C115TM
Q102 R101/R103/R105
KZ0.01FA
1/10GJ 1/10GJ 1/10GJ
47K 47K 47K
A101P1
A101P2
J30B0250N J30B0250N
BAND2 BAND1
R110
1/10GZ
0.0
R1032
1/10GJ
3.3K
D1032 D1031
Q1032
1SS133: 1SS133:
1SS176 1SS176
R1033
1/10GJ
1.2K
L1030 Q1022/Q1032
J R1023
QT0378(A:B): QT0378(A:B):
DJ4.7K
2SC536(E-NP: 2SC536(E-NP:
F-NP:G-NP) F-NP:G-NP)
Q1021/Q1031
QT0379(A:B): QT0379(A:B):
2SA608(ECNP: 2SA608(ECNP:
FCNP:GCNP) FCNP:GCNP)
Q1021
R1021
1/10GJ
470
D1021
1SS133:
1SS176
Q1022
R1029
1/10GJ
390
R1022
10K
L1020
J
R
KDY
X
Q701,Q711,Q721
6 QT0229Z: QT0229Z: QT0229Z:
KDY-6
2SC2621 2SC2621 2SC2621
J30B0250N
(DRA:ERA): (DRA:ERA): (DRA:ERA):
2SC2688'1' 2SC2688'1' 2SC2688'1'
5 (K:L:M) (K:L:M) (K:L:M)
KDY-5
J30B0250N
KDY-3 3
J30B0250N
R705
1/2DJ
KDY-1 1
3.3K
J30B0250N
K701
EK0618L
Q901
A59ECY13X38
<VIDEO COLOUR>
11
8
6
R715
1/2DJ
3.3K
1 2 -4 7 5 9 10
R725
1/2DJ
C731 3.3K
2000KP
1000
AHE
L700
KSC
J
J3080250N
K7D
X
L705 L701
ZZ0122 J
1 1
2
3
3
K7Q
J10EA030N
PWB
1AA4B10E1140B
MAIN UNIT :1AA0B10H0220A
CRT UNIT :1AA0B10H0220B
Expression of capacitance and resistance in circuit diagram.
Capacitance (Example)
1000 C M 2000 D
Characteristic
Capacitance value (220pF)
Tolerance (±20%)
Kind(Ceramic)
Rated voltage (1,000V)
Resistance (Example)
1/2 N J 1.2
Resistance value (1.2Ω)
Tolerance (±5%)
Kind (M.carbon)
Rated wattage(1/2W)
(SHEET 2/2)
TUNE
L103
L2B9
5R6KN
9V
A101
F1BEB0090
C102
X
C110
X
C101 C105 C100
16EM EM1 16EM
C108 47 47
X
TP-E TP-A
C109
X T101
X J30B0250N J30B0250N
R109
1/10GZ
0.0
L100
J
R1031
1/10GJ
9V
1.2K
Q1031
D1007/D1011/D1015/
D1016/D1019/D1020
MTZJ11C: MTZJ11C: MTZJ11C: MTZJ11C: MTZJ11C: MTZJ11C:
UZ-11BSC UZ-11BSC UZ-11BSC UZ-11BSC UZ-11BSC UZ-11BSC
L1021
C1021
Z21B0040N
25KZ0.1FA:
R1020
KZ0.1FA
75
21
D1020
20
R1019
V:IN
75 19
V:OUT
18
D1019 D1016
17
R1016
75 16
BLK
15
R
R1015 14
D1015
75
R1028 13
1/10GJ
560 R1011 12
75
D1011 11
G
10
R1027
9
1/10GJ R1009 R1008 R1007
560 1/10GJ 39K 75
8
27K
VTR:PLAY
D1007
7
B
6
C1002 L1006 5
R1026
63GK0.47V L2B9
1/10GJ R1002
:HJ0.47G 100KN R1004 4
560 1/10GJ
1/10GJ
12K 3
560
L1003 2
C1004
L2B9
A:IN
16EM
100KN 1
10 L1002 A:OUT
R1001
L2B9
1/10GJ
100KN
12K
K1001
R1005 J1EK1745-:
1/10GJ C1003 J11B0490N
100K KZ
0.01FA
R1003 C1001
1/10GJ CJ100CA
5.6K
G B
KP
J10EA050N
1
9V
D254 D253 5
D252
D251/../D254 R252
1SS133: 1SS133: 1SS133: 1SS133: 1/10GJ
1SS176 1SS176 1SS176 1SS176 10K
Q251
QT0379(A:B):
R251
2SA608(ECNP:
1/10GZ
FCNP:GCNP)
0.0
R253
D251 C251
10K
16EM
330
R704
2SJ
12K
B-OUT
Q701
R703
DJ1K
R702
C701 DJ3.9K
KK470
B-DRIVE
VR702
R701
R3D8102NJ
DJ330
R714 B-BIAS
2SJ
VR701
12K R-DRIVE
R3D8472NJ
VR712
R-OUT R3D8102NJ 1
Q711
R713
DJ2.2K
R712
C711 DJ3.9K
KK470
R711
DJ330
R-BIAS 5
R724
VR711
2SJ
R3D8472NJ
12K
G-OUT
Q721
R727
DJ470
R722
C721 DJ3.9K
KK470
R723
DJ1.8K
R721
DJ330 R741
DJ4.7K
G-BIAS
Q741
VR721
QT0379(A:B):
R3D8472NJ
2SA608(ECNP:
R742 FCNP:GCNP)
DJ3.3K
C732
X
R744
DJ330
R732
X
J= ± 5%
K= ± 10%
M= ± 20%
T, A, U, D : Electrolytic
C, K, B : Ceramic
F : Mylar film
M, N : Polypropylene
Z : Metallized paper
D : Carbon
N : Metallized carbon
S : Oxide metallized
W : Wire wounding
C : Solid
Waveforms on ICs and Transistors
IC201-pin7 IC201-pin15 IC201-pin18
<CVBS out> <CVBS in> <B out>
10 µ s/div. 10 µ s/div. 1V/div.
0.5V/div. 0.5V/div.
IC201-pin28 IC201-pin29 IC201-pin37
<B-Y in> <R-Y in> <H out>
10 µ s/div.
10 µ s/div. 0.2V/div. 0.5V/div.
0.2V/div.
IC201-pin42 IC201-pin43 Q431-C
<V ramp> <V out> <H drive>
0.5V/div. 5ms/div. 10V/div.
0.5V/div. 5ms/div.
IC501-pin4 IC501-pin2 Q611-C
<V in> <V out> <Power amp>
0.5V/div. 5ms/div.
10V/div. 5ms/div. 1V/div.
IC801-pin36 IC801-pin37 Q2601-C
<CPU H in> <CPU V in> <Video out B>
1V/div. 10 µ s/div.
1V/div. 5ms/div. 20V/div.
IC3811-pin8
<Sound out>
0.2V/div. 200 µ s/div.
Voltage on ICs
IC001
1 1.6V 2 1.6V 3 15.5V 4 1.6V 5
10 14.0V 11 0V
IC201
1 3.1V 2 6.0V 3 6.0V 4 6.1V 5
10 8.0V 11 0V 12 3.6V 13 4.4V 14
19 2.5V 20 2.5V 21 0.2V 22 3.4V 23
28 4.0V 29 4.0V 30 1.5V 31 1.5V 32
37 0.9V 38 0.7V 39 3.0V 40 4.0V 41
46 4.1V 47 7.0V 48 3.1V 49 1.6V 50
IC271
1 5.3V 2 0V 3 0V 4 0V 5
10 0V 11 3.1V 12 3.1V 13 0V 14
IC501
1 0V 2 13.4V 3 25.3V 4 0.7V 5
IC651 IC652
1 14.5V 2 0V 3 11.9V 1
IC801
1 0.6V 2 2.4V 3 3.7V 4 1.8V 5
10 0.5V 11 2.5V 12 0V 13 0V 14
19 0V 20 0V 21 0V 22 0V 23
28 0V 29 5.0V 30 5.0V 31 5.0V 32
37 0.2V 38 4.9V 39 4.9V 40 0V 41
46 5.4V 47 5.0V 48 0V 49 4.8V 50
IC802
1 0V 2 0V 3 0V 4 0V 5
IC810
1 0V 2 11.6V 3 2.0V 4 0V 5
IC1201
1 11.8V 2 7.8V 3 0V 4 7.1V 5
IC1202
1 3.0V 2 2.0V 3 6.0V 4 0V 5
IC1251
1 8.4V 2 8.4V 3 5.0V 4 8.4V 5
10 11.9V 11 5.0V 12 8.4V 13 8.4V 14
IC3401
1 4.8V 2 3.4V 3 2.7V 4 2.5V 5
10 2.5V 11 2.5V 12 2.5V 13 2.5V 14
19 3.3V 20 4.8V
IC3431
1 5.8V 2 11.7V 3 5.8V 4 11.8V 5
10 0V 11 4.8V 12 4.8V 13 5.8V 14
19 0V 20 0V
IC3451
1 0V 2 0.3V 3 5.1V 4 0V 5
10 0V 11 2.5V 12 0V 13 0V 14
19 0V 20 2.3V 21 2.5V 22 2.5V 23
28 2.3V 29 2.3V 30 2.3V 31 2.3V 32
37 0V 38 4.8V 39 2.0V 40 3.4V 41
46 4.8V 47 4.7V 48 2.0V 49 4.8V 50
IC3801
1 4.5V 2 4.6V 3 6.0V 4 0V 5
10 0V 11 11.9V 12 5.9V 13 0V 14
IC3811
1 2.5V 2 0V 3 0V 4 0V 5
10 2.2V 11 2.6V 12 4.3V 13 0V 14
Voltage on Transistors
Q001 Q121 Q151 Q152 Q153
E 0V E 2.8V E 3.8V E 3.2V E
C 15.5V C 8.0V C 0V C 8.7V C
B 0.1V B 3.3V B 3.2V B 0V B
Q203 Q431 Q432 Q461 Q462
E 0V E 0V E 0V E 12.9V E
C 6.0V C 10.8V C -- C 0V C
B 0V B 0.3V B 0V B 13.5V B
Q641 Q652 Q681 Q682 Q801
E 6.3V E 5.2V E 5.0V E 5.0V E
C 29.5V C 8.3V C 7.8V C 0.1V C
B 6.7V B 5.8V B 5.7V B 5.6V B
Q873 Q874 Q875 Q1001 Q1002
E 0V E 4.9V E 0V E 0.6V E
C 0V C 4.9V C 4.7V C 0V C
B 0.8V B 5.6V B 0V B 0V B
Q1202 Q1203 Q1204 Q1041 Q1042
E 0V E 0V E 0V E 2.4V E
C 0V C 0V C 11.9V C 9.4V C
B 0V B 0V B 0V B 3.0V B
Q1902 Q2001 Q2601 Q2611 Q2621
E 0V E 0V E 1.8V E 1.8V E
C 5.0V C 13.2V C 134.3V C 137.1V C 143.8V
B 0.0V B 0V B 2.3V B 2.2V B
Q3481 Q3482 Q3483 Q3484 Q3801
E 1.9V E 7.7V E 1.9V E 7.7V E
C 8.4V C 11.9V C 8.4V C 11.9V C
B 2.5V B 8.4V B 2.5V B 8.4V B
Terminal guide
N/2
E C
1
B B
K
E
C A
B
E C
N
A
K
A
K
E E
10
C C
9
B B
3
2
1
C : Collector
A : Anode
B : Base
K : Kathode
E : Emitter
IC201-pin19 IC201-pin20
<G out> <R out>
10 µ s/div. 10 µ s/div.
1V/div. 1V/div. 10 µ s/div.
IC201-pin38 IC201-pin41
<H F/B> <V F/B>
10 µ s/div.
10 µ s/div. 0.2V/div. 5ms/div.
1V/div.
Q432-C Q461-E
<H out> <Pcc>
10 µ s/div. 10 µ s/div.
250V/div. 5V/div. 5ms/div.
Q612-C Q613-C
<Power drive> <power out>
10 µ s/div. 10 µ s/div. 10 µ s/div.
1V/div. 250V/div.
Q2611-C Q2621-C
<Video out R> <Video out G>
10 µ s/div.
10 µ s/div. 10 µ s/div. 20V/div.
20V/div.
1.6V 6 0V 7 - 8 13.8V 9 28.6V
0V 6 4.0V 7 3.1V 8 1.6V 9 0V
3.2V 15 3.9V 16 0V 17 3.4V 18 2.5V
3.4V 24 3.4V 25 2.9V 26 1.6V 27 5.9V
0V 33 4.9V 34 3.5V 35 2.6V 36 8.0V
2.5V 42 0V 43 0.8V 44 4.1V 45 4.1V
3.6V 51 4.3V 52 6.7V
0.7V 6 0V 7 0V 8 0V 9 5.2V
1.3V 15 0V 16 1.3V
0.7V 6 25.2V 7 2.1V
10.5V 2 0V 3 8.0V
2.1V 6 0V 7 0V 8 0V 9 2.6V
3.7V 15 0V 16 0V 17 0V 18 0V
2.2V 24 0.2V 25 2.0V 26 2.3V 27 0V
0V 33 0V 34 0V 35 0V 36 0.8V
2.1V 42 2.4V 43 0V 44 4.9V 45 4.7V
4.8V 51 0V 52 2.9V
4.8V 6 4.8V 7 0V 8 5.0V
0V 6 11.3V 7 2.2V 8 0V 9 11.7V
0V 6 0V 7 7.7V 8 0V
0V 6 2.7V 7 0V 8 1.7V 9 5.7V
0V 6 0V 7 0V 8 0V 9 0V
8.4V 15 8.4V 16 11.9V
2.5V 6 2.5V 7 2.5V 8 2.5V 9 2.5V
2.5V 15 2.5V 16 0V 17 2.5V 18 5.1V
0V 6 0V 7 5.8V 8 5.8V 9 5.8V
5.8V 15 5.8V 16 5.8V 17 0V 18 0V
2.5V 6 0.4V 7 2.5V 8 2.5V 9 0V
0V 15 2.5V 16 2.5V 17 0.4V 18 4.6V
2.4V 24 0V 25 2.5V 26 5.0V 27 2.4V
0.3V 33 2.3V 34 2.3V 35 2.3V 36 4.7V
2.4V 42 0V 43 2.0V 44 0V 45 2.4V
0V 51 4.0V 52 0V
0V 6 0V 7 0V 8 5.3V 9 5.3V
0V 15 4.5V 16 4.5V
0V 6 0V 7 2.2V 8 2.2V 9 2.2V
5.1V 15 2.5V 16 0V
Q154 Q171 Q201 Q202
9.3V E 3.1V E 2.5V E 0V E 0V
2.3V C 0V C 11.8V C 0V C 0.4V
8.7V B 2.4V B 3.1V B 0.8V B 0V
Q501 Q611 Q612 Q613
0V E 0V E 10.8V E 0V E 0V
12.9V C 4.7V C -1.4V C -1.1V C --
0.5V B 0V B 10.5V B -1.4V B -1.1V
Q835 Q861 Q871 Q872
0V E 0V E 5.0V E 0V E 0V
2.0V C 29.4V C 2.5V C 6.3V C 0.2V
0.6V B 0V B 5.0V B 0.1V B 0.6V
Q1003 Q1004 Q1005 Q1201
0.1V E 0V E 5.0V E 5.0V E 0V
11.8V C 0.6V C 11.9V C 11.9V C 0V
0.6V B 0V B 5.6V B 5.6V B 0.6V
Q1043 Q1251 Q1252 Q1901
10.0V E 3.4V E 7.7V E 7.9V E 1.8V
4.0V C 11.9V C 11.9V C 11.9V C 5.0V
9.4V B 4.0V B 8.4V B 8.4V B 0.2V
Q2640 Q2651 Q3431 Q3432
1.9V E 1.5V E 11.8V E 5.2V E 5.2V
C 0V C 0V C 11.9V C 11.9V
2.2V B 0.9V B 11.9V B 5.9V B 5.9V
Q3802
0.7V E 5.2V
6.1V C 11.9V
1.4V B 5.9V
Chip Components
Transistor
N/2 + 1
C
B E
Diode
K
A
Resistor
6 7
3
123 12 x 10 = 12k
5
4
3
2
1