Sanyo CT21MF2 Service Manual page 30

Schematic Dia 21-C5ZB 7/2/04 4:23 PM Page 2
CRT BOARD (Component Location)
K7Q
R713
Q701 E
R719
1 3
R711
L702 Q701A
R712
K7U
Q705
Q703
E
E
Q703A
J705
R724
C721
1 K7P 5
(C5RA)
MAIN BOARD (Component Location)
CH UP
SW1901
Q1902
A1901A
C1902 AC5G1
D1910A
D1910
CHASSIS
L601-H7
L601-H8
JP602
L601-H2 L601-H1
SW601-H1
L601-H3 L601-H4
SW601-H2
L601-H6 L601-H5
J606
R602
D606
C607
KG
C606
Q686
F601
TP-EE
R604-H1
C607-H2
C607-H1
Q612
C628
J607
J608
C610
J605
R620
L605
D619
R603
D613
R604-H2
D617
R613Z
C613 T611-H2
R615
R613
T611
T611-H14
R609
Q613
R607
Q613-H1 T611-H4 T611-H13
R612-H1 C608
R606 R612
C608A
Q611 E
C611A
R612-H2 D611
C611
Q613-H
T611-H11
T611-H7
T611-H10
R628
R624
C615
Q613-H5
R629
1AA4B10S0180A
TP-B
T471-H2
T471
FBT
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CH DOWN VOL UP VOL DOWN MENU TV/AV
SW1902 SW1903 SW1904 SW1905 SW1906
R L
J1204
K1003
R644
K1003A
J1202
C1017
J1203
C1007
JP801
JP644 E
IC002-H2
J021
C861
R689
J612 C893
J003
JP601
J830
C647 J809
D861
IC801
CPU R818
J817
D1201
J827
R1205
(SOLDER
IC651 J828 R898
SIDE)
J009
J829
(SOLDER
J810
E Q681
SIDE)
D661 R866
R869
R682
J806
R664 J819
D683
J666
R663
D663
J687
D685
J808
J502
E R665
JP204
J296
J403
J513
R285
J824
J219 C285
C635
R637
E
J024
D662
D686
R510
C289
R639 C646
D280
R638 R511
C225
R212
J688
JW3
J401
C288
J232
C287
J655
IC501-H1
R643 C517
R872 C286 C353
J504 R282
R280
R686 J283
C510
R642
J231
J645
L204
D512 J355 J353 IC201
C644
J356 J354
IF/VIDEO/
J514
J358
J041 CHROMA
J357 R354
C520 R352 C209
J633
J632 R519
X211
R518
R515
C226
R514
J039
IC501-H2
J505
R516 C514 J040
J509
C431
KDY-6
J431
KDY-5
T431
KDY-4 X171
L441-H2
H-DRIVE
KDY-3
J1010
J1012
J510
L441-H1
L441A
R435 J1006
KDY-1
C1010
T471-H1 R435A-H1
R103
R435A-H2
J033
J1003
Q432
J1002
H-OUT
R479
JP105
D476 C101
C486
R488 K1002
R423
R422
VID AUD VID AUD
D421
JP106
R475
IN OUT
Q432-H5
KQ
1 3
V
J1007
J056
J017
C021
C011
C031
R1203
R1202
J057
J001
IC002-H1
R357
C895
D357
C202
J287
J049
C231
C232
ACK
STS
SCL
SDA
GND
KX
J210
J209
IC202
J104
JP371
J108
J103
J114
A101
(C5RA)
Waveforms & Voltages
(On the Main Board)
IC001 (AUDIO AMP.)
Pin-1 12.7V 2 5.9V 3 GND 4 5.9V 5 6.8V 6 1.5V
10 5.9V 11 GND 12 5.9V
IC201 (IF/VIDEO/CHROMA)
Pin-1 2.3V 2 2.2V 3 2.5V 4 2.2V 5 2.9V 6 2.9V
10 1.6V 11 4.1V 12 3.8V 13 4.3V 14 1.6V 15 1.7V
19 2.6V 20 2.5V 21 2.5V 22 2.0V 23 2.5V 24 2.7V
28 1.3V 29 1.7V 30 0.9V 31 4.5V 32 8.4V 33 0V
37 1.9V 38 2.8V 39 3.5V 40 2.5V 41 0V 42 2.5V
46 2.3V 47 4.2V 48 4.1V 49 4.1V 50 2.5V 51 2.2V
IC202 IC651
Pin-1 11.8V 2 GND 3
Pin-1 7.8V 2 GND 3 5.0V
IC3701 (AUDIO CONTROL & SURROUND)
Pin-1 4.2V 2 4.2V 3 4.2V 4 4.2V 5 4.3V 6 4.3V
10 4.3V 11 2.8V 12 2.8V 13 4.2V 14 3.9V 15 GND
19 4.0V 20 0.6V 21 4.2V 22 4.2V 23 4.3V 24 4.3V
28 4.2V 29 4.2V 30 4.2V
IC501 (VERT. OUT)
Pin-1 3.0V 2 26.0V 3 2.6V 4 GND 5 17.0V 6 26.5V
IC802 (MEMORY)
Pin-1 GND 2 GND 3 GND 4 GND 5 5.0V 6 5.0V
IC801 (CPU)
Pin-1 4.3V 2 3.9V 3 5.0V 4 5.0V 5 GND 6 1.9V
10 1.6V 11 5.0V 12 0V 13 5.0V 14 3.4V 15 5.0V
19 0V 20 0V 21 0V 22 0V 23 5.0V 24 0V
28 5.0V 29 0V 30 1.6V 31 4.9V 32 5.0V 33 5.0V
Q111 Q122 Q173 Q1902 Q261 Q431 Q432 Q611
B 1.2V B 0.6V B 0V B 5.0V B 2.3V B 0.3V B 0V B 3.7V
C 5.4V C 0V C 0.4V C -0.4V C 0V C 12.6V C 132.9V C 28.8V
E 0.5V E 0V E 0V E 5.0V E 3.0V E 0V E 0V E 4.1V
Q631 Q635 Q661 Q666 Q681 Q683 Q684 Q685
B 6.8V B 3.2V B 9.9V B -0.6V B 0V B 25.4V B 0.7V B 0.6V
C 24.5V C 24.5V C 10.2V C 11.7V C 9.9V C 26.0V C 0V C 24.4V
E 6.3V E 3.2V E 9.2V E 0V E 0V E 26.1V E 0.7V E 0.2V
IC201-pin19 IC201-pin20 IC201-pin21 IC201-pin23
<R out> <G out> <B out>
<V drive>
3.4Vp-p
3.8Vp-p 3.6Vp-p 2.5Vp-p 1.0Vp-p Vert. 6.5Vp-p
IC201-pin46 IC501-pin5 Q431-C Q432-B
<Y out> <H drive> <H out>
<V out>
1.4Vp-p Horiz.
1.9Vp-p 50Vp-p 36.0Vp-p Horiz. 12.2Vp-p
47Vp-p 47.6Vp-p Vert. 1000Vp-p
Q613-D
<Power out>
480Vp-p
(On the CRT Board)
Q701 Q703 Q705 Q721
B 2.5V B 2.6V
B 2.5V B 1.6V
C 157.1V C 152.5V C 150.2V C GND
E 2.4V E 2.5V E 2.5V E 2.0V
Q701-C Q701-B Q703-C Q703-B
<B-out> <G-out>
<B drive> <G drive>
112Vp-p 4.6Vp-p
4.6Vp-p 112Vp-p
7 GND 8 1.5V 9 0.4V
7 0V 8 5.0V 9 2.5V
16 1.6V 17 0V 18 8.3V
25 5.2V 26 2.6V 27 0.9V
34 2.5V 35 2.5V 36 3.2V
43 5.0V 44 2.7V 45 2.5V
52 2.0V 53 2.2V 54 3.1V
5.0V
7 4.3V 8 4.3V 9 -
16 8.5V 17 4.2V 18 3.2V
25 0.5V 26 4.3V 27 4.3V
7 3.0V
7 GND 8 5.0V
7 2.6V 8 5.0V 9 -
16 0V 17 4.8V 18 4.2V
25 5.0V 26 - 27 3.2V
34 0V 35 5.0V 36 5.0V
Q612 Q613 Q614 Q615 Q616
B 0.2V B 4.1V B 3.7V B 0.1V B 0.7V
C 3.7V C 325V C 0V C 0.2V C 0V
E 0V E 0V E 4.1V E 0V E 0V
Q686 Q861 Q871 Q881 Q886
B 24.5V B 4.4V B -0.1V B -0.3V B 0.7V
C 0V C 5.0V C 4.8V C 4.2V C 0V
E 24.5V E 5.0V E 0V E 0V E 0V
IC201-pin27 IC201-pin28 IC201-pin44
<H drive> <Sandcastle> <CVBS int.>
1.7Vp-p 0.8Vp-p
1.8Vp-p Horiz. 4.6Vp-p Horiz. Horiz.
Q432-C Q612-S Q613-G
<H out> <Power drive> <Power drive>
21.2Vp-p
21.6Vp-p
1020Vp-p Horiz.
Q705-C Q705-B
<R-out> <R drive>
101Vp-p 4.7Vp-p
C5ZB