Sanyo CP21AF1V Service Manual page 30

CRT BOARD (Component Location)
5 K7P 1
B10S0120B
R741
JS741
Q721
G-OUT
Q711
R-OUT
K7Y
C731
Q701
B-OUT
R724
L721
Q701A
E
L711 R714
L701
K7Q R704
3 1
(C3RM)
MAIN BOARD (Component Location)
CH_UP CH_DOWN
RC AMP
A1901A
GREEN R888
RED
R1913
SW1901 SW1902 SW1903
R1911
*** B10S01200
R1912
R1907
SW601
F601B F601A
F601
T4AL250V
C601
KG-1
J602
KG-3
C602
KE
C606
C685
D606
J641
R682 Q641
D683
D685
J680
C603
R646
R636
D603
D686
R635
C604 R639
2 1
R637
D604
C607
Q612
R638
3 4
R615
D632
J640
D635
R622 D619
D618 C628
C635
J249
J635
J634
R624Z
R624
D634
J250
J251
R625
C614
T611
CONVERTER
L610 R627
TRANS.
C617
R628
R629
T611
C641
J351
J636
L631 C631
J350
R434 C441
C441A
J434 J438
J433
Q431
J437
J432
E
Q432-H4
C432 Q432-H3 Q432-H1
Q432
C433
H-OUT
L431
Q432-H2
J431
J436 C436
C436A
R435 Q432-H5
T431
H-DRIVE TRANS.
J508
C435
C435A
J502
KDY
C437 JP503
IC501-H1 J506
C517
R511
J503
J504 R510
C521
C510
D512
J028
T471 C518
FBT.
R519
C520
R518
R515
T471
IC501-H2
R514
10
J505 J501
T471-H12
JP402 C514
D486
D468
T471-H11
D476
D448
C471 R422
R475
FC3B
KQ
AUDIO IN ( R) AUDIO IN ( L)
VIDEO IN
HEADPHONE
JACK
R L V
VOL_DOWN MENU TV/AV
VOL_UP
SW1906
SW1904 SW1905
J1009
C1017 K1003
C1001
C1202
C1007
C012
R120
C020
C027
J009 C022
J008
R018
J010
JP103
C016
J025
C006
J020 C003
J827
J825 C004
C011
R644 J824
J823 J017
D004 C007
R006 J822
E
R648 D003 J821 R872
R647
C835
J1904
D684
R681
R688
Q681
J809
J021
C651
J808
E
J807
Q661
D861
J873
J831
R818
E
R899
J810
R662-H2
R897
J801
J819
J812
R866
J833
IC651 L801
R869
J638 J832
R830
J811 J879
C828
C634
J897
J681
D249
C644 J225 J229
R190
J228
J224
J223 X181
J227
C285
J226
R199
J280
L191
R285 C288 C190
J183
C201
J024
C287
J208
J019
C232
R354 C231
J233 C353
L204
R352
C204
R212 ACK
J232 R228
JW6
STS
JP183
C226
J204 SCL
C209
J231
SDA
J230 J218 IC201
GND
IF/VIDEO/
C205
C233
J439 CHROMA
L243
J435
C246
R289
C245 R351
J211
C225
C227
X211
J212
JP3402
J210
J209
J3408
C247
J3401
J171
C135
J027
J217
C132
J507 L175
C3404
J3402
J203 J202
J3403
J3404
R171
J041
C122
C3411
J261 J260
R115
C3416
R267
R264
C3424 J3405
C3418
L3701
C3417
C1013 J103
J104
R108
D106
J1001
J1005
D1003
D1002 R105
C1011
D1004
J1015
C101
J1016
C1502
K1004
C1082
JP1407
K1001
(C3RM)
(C3RM)
Waveforms & Voltages
(On the Main Board)
IC201 (IF/VIDEO/CHROMA)
Pin-1 2.3V 2 2.2V 3 2.5V 4 2.1V 5 2.9V
10 1.6V 11 4.0V 12 3.8V 13 4.3V 14 1.6V
19 2.5V 20 2.5V 21 2.5V 22 2.0V 23 2.5V
28 1.3V 29 1.7V 30 0.9V 31 4.5V 32 8.4V
37 1.9V 38 2.8V 39 3.5V 40 2.5V 41 0V
46 2.3V 47 3.8V 48 4.1V 49 4.1V 50 2.5V
IC501 (VERT. OUT)
Pin-1 2.9V 2 25.8V 3 2.3V 4 GND 5 12.6V
IC001 (AUDIO AMP.)
Pin-1 MUTE OFF=0.3V, MUTE ON=2.5V 2 6.7V 3 3.6V 4 10.2V
9 GND 10 19.9V 11 8.4V 12 8.5V
IC1201 (AUDIO SW)
Pin-1 4.8V 2 4.5V 3 4.8V 4 N.C. 5 N.C.
IC202 IC651
Pin-1 7.8V 2 0V 3 5.0V Pin-1 12.8V 2 0V
IC802 (MEMORY)
Pin-1 GND 2 GND 3 GND 4 GND 5 5.0V
IC801 (CPU)
Pin-1 4.0V 2 3.9V 3 5.0V 4 5.0V 5 GND
10 1.3V 11 1.3V 12 0V 13 5.0V 14 3.4V
19 0V 20 0V 21 0V 22 0V 23 5.0V
28 4.7V 29 0V 30 3.60V 31 4.9V 32 5.0V
Q001 Q002 Q003 Q004
BASS OFF / ON BASS OFF / ON BASS OFF / ON
B 0.6V 0V B 0V 0.6V B 0V 0.6V B 4.7V
C 0V 0.4V C 1.9V 0V C 0V 0V C 9.3V
E 0V 0V E 0V 0V E 0V 0V E 4.0V
Q1002 Q111 Q171 Q172 Q176 Q182 Q1902
B 1.7V B 1.3V B 2.3V B 2.2V B 2.2V B 1.2V B 5.0V
C 3.9V C 5.0V C 9.2V C 6.1V C 6.0V C 0V C 0V
E 1.1V E 0.6V E 1.7V
E 1.6V E 1.6V E 1.9V E 5.0V
Q611 Q612 Q613 Q631 Q641 Q661 Q681
B 15.3V B -2.3V B -1.8V B 6.8V B 19.2V B 9.9V B 0V
C -2.3V C -1.8V C 317V C 37.1V C 19.9V C 11.0V C 9.9V
E 15.5V E 0V E 0V E 6.3V E 20.0V E 9.3V E 0V
Q881 Q886
B -0.4V B 0.7V
C 4.1V C 0V
E 0V E 0V
IC201-pin19 IC201-pin20 IC201-pin21 IC201-pin23
<R out> <G out> <B out> <V drive>
2.8Vp-p
4.4Vp-p 1.1Vp-p Vert.
3.8Vp-p
IC201-pin46
Q431-C Q432-B Q432-C
<VIDEO OUT> <H drive> <H out> <H out>
1.4Vp-p
1.9Vp-p Horiz. 28.8Vp-p
50Vp-p 42.8Vp-p Horiz. 1008Vp-p Horiz.
1000Vp-p
Q613-B
Q613-C
<Power drive>
<Power out>
6.0Vp-p 5.4Vp-p
550Vp-p 496.0Vp-p
(On the CRT Board)
Q701 Q711 Q721 Q741 Q751
B 2.5V B 2.5V B 2.5V B 1.0V B 9.3V
C 142.7V C 145.8V C 144.8V C 0V
C GND
E 2.5V E 2.4V E 2.4V E 1.7V E 9.2V
Q721-B
Q701-C Q701-B Q721-C
<B-out> <B drive> <G-out> <G drive>
128.0Vp-p 4.2Vp-p 3.7Vp-p
108.0Vp-p
6 2.9V 7 0V 8 5.0V 9 2.5V
15 1.7V 16 1.6V 17 0V 18 8.3V
24 2.7V 25 5.2V 26 2.6V 27 0.9V
33 0V 34 2.5V 35 2.5V 36 3.2V
42 2.5V 43 5.0V 44 2.7V 45 2.5V
51 2.2V 52 2.0V 53 2.2V 54 3.1V
6 26.1V 7 2.9V
5 6.7V 6 15.1V 7 8.5V 8 8.5V
6 9.2V 7 4.0V 8 GND
3 5.0V
6 5.0V 7 GND 8 5.0V
6 1.9V 7 2.7V 8 5.0V 9 0.9V
15 5.0V 16 0V 17 4.8V 18 4.2V
24 5.0V 25 5.0V 26 0V 27 4.2V
33 5.0V 34 0V 35 5.0V 36 5.0V
Q011 Q013 Q014 Q1001
BASS OFF / ON BASS OFF / ON
B 0.6V 0V B 0V 0.6V B 3.7V B 4.8V
C 0V 0.4V C 0V 0V C 9.3V
C 0V
E 0V 0V E 0V 0V E 3.0V E 4.8V
Q261 Q431 Q432 Q449 Q527
B 2.4V B 0.3V B 2.2V B 0.3V B 0V
C 0V C 16.0V C 133.2V C 4.5V C 4.5V
E 3.0V E 0V E 2.2V E 0V E 0V
Q683 Q684 Q685 Q686 Q861 Q871
B 26.0V B 0.7V B 0.5V B 37.0V B 4.4V B -8.4V
C 26.6V C 0V C 37.0V C 0V C 5.0V C 4.8V
E 26.7V E 0V E 0.5V E 37.1V E 5.0V E 0V
IC201-pin27 IC201-pin28 IC201-pin40
<H drive> <FBP IN> < >
SEL.VIDEO OUT
1.7Vp-p
2.4Vp-p 4.6Vp-p Horiz. 1.8Vp-p Horiz.
IC501-pin3 IC501-pin5 Q612-C
<PUMP UP> <V out> <Power drive>
6.0Vp-p
28.4Vp-p 47Vp-p 50.4Vp-p Vert. 5.4Vp-p
Q711-C Q711-B
<R-out> <R drive>
110Vp-p 3.7Vp-p
C3RV
C3RW