Sanyo CP21SA1 Service Manual page 26

CRT BOARD (Component Location)
K7Q
R713
R719 Q701
E
(B-OUT)
1 3
R711
L702 Q701A
R712
K7U
Q705
(R-OUT)
Q703
E
E
Q703A
(G-OUT)
J705
R724
C721
1 K7P 5
(C4MA)
MAIN BOARD (Component Location)
CH UP CH DOWN
SW1901
D1910
AC5G
A1901A
J1901
C1902
D1910A
CHASSIS
L601-H7
JP610
KE-2 KE-1
JP608
SW601-H1
JP611
L601-H1
SW601-H2
L602
JP609
L601-H6 L601-H5
J606
R602
L601-H3 L601-H4
JP602 JP601
D606
D685
C607
KG
C606
F601
D686
TP-EE
C607-H2
R603 C607-H1
R639
R604-H1
C628
R618
T611-H2
T611-H16
J604
T611-H14
R604-H2
L605
T611-H4
T611
R612-H1
E CONVERTER
Q611 E
TRANS.
C613
Q612
E
R609
Q613
T611-H7
Q614
R620 R617
T611-H10
R612-H2
L604
R613-H1
JW4
R613 D611
1AA4B10S0160A
Q613-H3
R629 TP-B
C482
D432
R477
T471-H2 T471-H1
T471
FBT
VOL UP VOL DOWN MENU TV/AV
SW1902 SW1903 SW1904 SW1905 SW1906
R L
R644 J1202
K1003A
K1003
IC001-H2
J1203
JP801
E
C861 J021
R689
J612
C647
J809 C008
J830
J817 IC801
R818 J821
CPU
J827
C014
(SOLDER
IC651 J828
J009
SIDE)
J829 IC001A
E J812
Q681 J810
R661
D661
R866
R869
J811
J806
R682 J819
R664
D683
R663
J666 D663
J808
J687
J824
J502
R662
JP204
R665
R635
J403 C291
J513
J219
R637
JP661 E D280 5
J024
1
R510 16
JP633
R638 D662 R511
C225 IC281
R212
SECAM
C288
J688
JW3
J401 C277
J232
R643 IC501-H1
C517
8 9
C353
R872 C286
IC281
J504
R280
J231
C510
R686
R642
J645 L204
D512 J355 J353
J356 J354 IC201
J041 J358 IF/VIDEO/
J357 R354 CHROMA
J633
C527 R352
C209
J514
R519
J510 X211
C520
R518
R515
R514 C226
J040
IC501-H2
C244
R516 J505
C514
J039
C431
KDY-6
J431
KDY-5
L441-H2
KDY-4
X171
T431
D441
H-DRIVE
KDY-3 TRANS.
L441-H1
L441A
R441 R501
R435
C1003
KDY-1
R103
R435A-H1
R435A-H2 J033
Q432
H-OUT R479
JP1005 C101
D476
C486
R488 K1002
R423
R422
VID AUD VID AUD
D421
C407
JP1004
R475
IN OUT
Q432-H5
1 KQ 3
Waveforms & Voltages
(On the Main Board)
IC201 (IF/VIDEO/CHROMA)
Pin-1 2.3V
IC501 (VERT. OUT)
Pin-1 2.9V
IC001 (AUDIO AMP.)
Pin-1 N.C.
IC202
Pin-1 7.8V
IC802 (MEMORY)
Pin-1 GND
IC801 (CPU)
Pin-1 4.3V
Q111
B 1.3V
C 6.0V
E 0.5V
Q861
B 4.4V
C 5.0V
V
E 5.0V
IC201-pin19
KR
C005
JP005
JP004
C180
1.4Vp-p
1.9Vp-p
D180
E
KP
1
L236
L235
L234
J049
C202
J287 550Vp-p 472Vp-p
C231 ACK
STS
C232
SCL
SDA
GND
KX
R351
J210
(On the CRT Board)
J209
Q701
B
C 141V
E
IC202
J104
J106
J103 J108
112Vp-p
C107
J114
A101
(C4MA)
2 2.2V 3 2.7V 4 3.2V 5 2.9V 6
10 2.3V 11 4.3V 12 4.1V 13 4.3V 14 1.6V 15
19 2.2V 20 2.1V 21 2.1V 22 2.0V 23 2.2V 24
28 1.3V 29 1.7V 30 0.9V 31 4.5V 32 8.4V 33
37 1.9V 38 2.8V 39 3.5V 40 2.5V 41 0V 42
46 2.3V 47 3.8V 48 4.1V 49 4.1V 50 2.5V 51
2 26.4V 3 1.6V 4 0V 5 18.0V 6
2 N.C. 3 7.1V 4 GND 5 0.7V 6
10 N.C.
IC651
2 GND 3 5.0V Pin-1 12.5V 2 GND
2 GND 3 GND 4 GND 5 5.0V 6
2 4.1V 3 5.0V 4 5.0V 5 0V 6
10 2.3V 11 3.4V 12 0V 13 5.0V 14 3.4V 15
19 0V 20 0V 21 0V 22 0V 23 5.0V 24
28 5.0V 29 0V 30 5.0V 31 4.9V 32 5.0V 33
Q261 Q431 Q432 Q611 Q612 Q613 Q631
B 2.3V B 0V B 2.1V B 15.0V B 0V B -0.3V B 0.2V
C 0V C 17.5V C133.7V C 0V C -0.3V C 314V C 18.5V
E 3.0V E 0V E 2.2V E 15.2V E 0V E 0V E 3.3V
Q871 Q881 Q886
B -8.6V B -0.4V B 0.7V
C 4.8V C 4.2V C 0V
E 0V E 0V E 0V
IC201-pin20 IC201-pin21 IC201-pin23
<R out> <G out> <B out> <V drive>
3.4Vp-p
2.5Vp-p
3.8Vp-p 3.6Vp-p 1.0Vp-p Vert.
IC201-pin46 IC501-pin5 Q431-C Q432-B
<H out>
<Y out> <V out> <H drive>
Horiz. 17.0Vp-p
47.6Vp-p 50Vp-p 36.0Vp-p Horiz.
47Vp-p Vert.
Q613-C
<Power out>
Q705 Q703 Q721 Q751
2.5V B 2.5V B 2.5V B 0.7V B 9.3V
C 141V C 141.8V C 0V
C GND
2.3V E 2.3V E 2.3V E 9.2V
E 1.4V
Q701-C Q701-B Q703-C Q703-B
<B-out> <B drive> <G-out> <G drive>
4.6Vp-p 112Vp-p 4.6Vp-p
2.9V 7 0V 8 5.0V 9 2.5V
1.7V 16 1.6V 17 0V 18 8.3V
2.7V 25 5.2V 26 2.6V 27 0.7V
0V 34 2.5V 35 2.5V 36 2.7V
2.5V 43 5.0V 44 2.7V 45 2.5V
2.2V 52 2.0V 53 2.2V 54 3.1V
27.0V 7 2.9V
1.2V 7 6.8V 8 GND 9 14.4V
3 5.0V
5.0V 7 GND 8 5.0V
1.9V 7 2.3V 8 5.0V 9 5.0V
5.0V 16 0V 17 4.8V 18 4.2V
0V 25 0V 26 0.2V 27 4.4V
5.0V 34 0V 35 5.0V 36 5.0V
Q661 Q681 Q684 Q685 Q686
B 16.0V B 0V B 0.1V B 0.3V B 19.0V
C -1.0V C 5.1V C 0V C 19.0V C 0V
E 14.9V E 0V E 0V E 0.2V E 18.5V
IC201-pin27 IC201-pin28 IC201-pin44
<Sandcastle>
<H drive> <CVBS int.>
6.5Vp-p 1.8Vp-p Horiz. 4.6Vp-p Horiz. 1.7Vp-p 0.8Vp-p Horiz.
Q612-C
Q432-C Q613-B
<H out> <Power drive>
<Power drive>
6.0Vp-p 2.4Vp-p
992Vp-p Horiz. 3.0Vp-p
1000Vp-p
Q705-C Q705-B
<R-out> <R drive>
101Vp-p 4.7Vp-p
C5TV
C5TW