C4ZW
Waveforms & Voltages
(On the Main Board)
Q111
B 1.2V
C 5.6V
E 0.5V
Horiz.
6.5Vp-p
Horiz.
1.4Vp-p
Horiz.
1.7Vp-p
Horiz.
47Vp-p
Vert.
1000Vp-p
Horiz.
IC501 (VERT. OUT)
Pin-1
2.4V
2
25.0V
3
2.6V
4
GND
5
13.1V
6
25.4V
7
2.4V
IC802 (MEMORY)
Pin-1
GND
2
GND
3
GND
4
GND
5
5.0V
6
5.0V
7
GND
8
5.0V
Q171
B 6.5V
C 9.0V
E 5.9V
Q1902
B 5.0V
C
0V
E 5.0V
Q172
B 2.2V
C 6.6V
E 1.7V
Q432
B
0V
C 140V
E
0V
Q611
B 14.6V
C -0.4V
E
0V
Q686
B 33.6V
C
0V
E 33.6V
Q685
B 0.6V
C 33.5V
E 0.5V
Q613
B -0.6V
C 311V
E -
Q683
B 25.2V
C 25.7V
E 25.8V
4.3Vp-p
2.0Vp-p
4.0Vp-p
4.5Vp-p
1.0Vp-p
49.6Vp-p
34.0Vp-p
1072Vp-p
1.6Vp-p
IC201-pin27
<H drive>
IC201-pin19
<R out>
IC201-pin44
<CVBS int.>
IC201-pin46
<Y out>
Q261
B 2.3V
C
0V
E 3.0V
Q631
B 6.8V
C 33.7V
E 6.3V
Q682
B 0.7V
C 0V
E
0V
1.9Vp-p
550Vp-p
2.7Vp-p
480Vp-p
Q613-B
<Power drive>
3.2Vp-p
Q431-C
<H drive>
(On the CRT Board)
Q721
B
9.0V
C
0V
E
8.8V
Q431
B
0V
C 19.2V
E
0V
Q527
B
0V
C 4.2V
E
0V
170Vp-p
142Vp-p
150Vp-p
4.1Vp-p
Q612
B
0V
C -0.6V
E -0.4V
Q182
B 1.2V
C 0V
E 1.9V
Q871
B -0.2V
C 4.8V
E
0V
Q881
B -0.4V
C 4.2V
E
0V
Q886
B 0.7V
C 0.1V
E
0V
Q449
B 0.1V
C 4.2V
E
0V
Q861
B 4.4V
C 5.0V
E 5.0V
IC1201 (VIDEO SW)
Pin-1
9.1V
2
5.7V
3
0V
4
5.0V
5
GND
6
N.C.
7
5.6V
8
N.C.
IC202
Pin-1
9.0V
2
GND
3
5.0V
IC651
Pin-1
12.5V
2
GND
3
5.0V
1
1
4
5
8
1
2
4
3
E
E
E
E
E
E
DIP
1
1
16
8
9
1
27
10
20
28
54
30
40
50
DIP
E
IC801
CPU
3
KG
VOLUME
DOWN
VOLUME
UP
POSITION
UP
POSITION
DOWN
1
2
MENU
TV/AV
PRESET
10
7
6
5
4
3
2
1
8
D.COIL
1
2
T4AL250V
F601
AC5D
12
1
9
GND
HEATER
LOW B
ABL
AFC
140
H OUT
210
E
5
D002
IC501-H4
IC501-H3
IC501-H2
IC501-H1
Q432-H6
Q432-H7
Q432-H4
Q432-H5
R449
J1202
C1303
J3703
C3741
C3742
J1325
J1324
J1323
J1328
JW14
JW13
C895
R1307
R1000
R1101
D1101
J1327
J1326
C3701
D655
D1102
J3701
J1111
IC1201
VIDEO SW
D3701
JW12
R529
D654
J1311
J1906
D683
J683
J527
J516
J1914
L655
C653
Q613-H6
Q613-H5
Q613-H4
JP841
C275
C276
IC202
J101
C1001
C1003
C1006
J103
R103
D485
R488
D467
R423
R423A
D466
KX
L171
J110
C465
C3718
C3727
C3728
C3729
C3719
C3716
J3702
R3711
R3721
C3712
R3732
R3731
C3721
C3711
C3722
C3724
C3723
L3701
C277
C641-H1
C641-H2
R644-1
R644-2
KR-1
KR-2
J1905
JP442
J634
J635
R237
JW10
J1003
R804
R805
R010
J832
R115
D249
J840
J342
J815
J839
J816
J819
J818
J838
J837
J225
J817
J820
J821
J809
J810
J811
J828
L240
J823
J812
J801
J836
R230
J842
J835
J834
J833
J813
J814
J847
J829
J843
R357
J848
R228
J826
J825
J124
J1320
R814
J800
J831
R857
R853
R851
R855
C835
MEMORY
X801
C861
C893
D861
R894
L801
C805
JW7
J802
J803
R833
J804
R830
J805
J808
R831
R818
R869
R866
J806
J807
J1321
J1322
J830
KG-3
J1911
R620
J603
J144
C603
C605
C606
C604
D1901
L606
R625
R627
C628
D615
R602-H2
A101
TP-G
J140
J138
SW1901
SW1902
SW1903
SW1904
L603A
PS601-2
PS601-3
PS601-1
R601
VA601
SW1905
SW1906
SW1907
SW601-1
SW601-2
SW601-4
SW601-3
SW601
TP-E
T471-H8
T471-H7
T471-H5
T471-H2
T471-H1
T471-H10
PS601
T611-H11
C616
L601
J146
J145
KE-2
KE-1
KG-1
KG-2
T611-H2
D603
D606
D605
D604
R624Z
C613
C617
D618
D619
D616
D617
D614
R622
R626
C614
Q612
C615
R615
R617
R623
R611
Q611
C627
JP601
C632
TP5
R602-H5
R602-H1
C601
L601-4
L601-3
L601A-3
L601A-4
L601-1
L601A-1
L601A-2
L601-2
L601A
R619
C607-H1
C607-H2
J163
L604
T611-H5
T611-H12
T611-H13
T611-H17
R621
Q613
Q613-H2
Q613-H3
C629
R629
R628
T611-H8
T611
C
61
6A
F601B
F601A
R602
KE
JP602
C607
L603
A1901
C1902
J1902
C1101
C1102
C1103
D1103
KL
KR
C1105
C1104
Q613-H1
TP101A
TP101B
TP101C
D106
C106
J1910
IC001
C005
C008
C009
C010
C023
C013
C002
C004
J001
C014
R017
R016
C006
J019
J1105
J1107
J1108
J1106
J1102
TP-A
C107
C102
D103
J105
R104
R110
K0001
J1104
KF
R1106
R1107
J1110
J1103
C016
R1301
JW1
J1308
J1109
T471
R481
Q432
C423
C423-H1
C423-H2
C423-H3
D438
C420
C420-H1
C420-H2
C420-H3
C423A
C420B
C424A
C424
D439
C422
C422A
JP436
L432
L431
C425
C425A
KQ
C486
J1307
J1309
JP476
C471
R424
R435
C426
J448
R355
C441
C441A
C442
C442A
R442
L442
T431
H-DRIVE
TRANS.
R434
C433
Q431
J449
R474
D469
C468
VR462
J468
R468
R464
R469
R472
R480
C462
C463
R461
C466
R466
D461
R467
C470
D465
R471
D464
Q462
C467
R463
R473
Q461
Q461A
Q461-H2
Q461-H1
C464
R465
R462
J480
J461
R485
R487
D486
Q449
C449
D448
R479
R475
C469
R476
D468
R445
J642
C424-H1
C425-H1
C424-H3
C424-H2
C425-H2
C425-H3
L441-H1
L442-H2
L442-H1
KDY-1
KDY-3
KDY-4
KDY-5
KDY-6
C442-H2
C441-H2
C441-H3
C442-H3
C442-H1
C441-H1
L441-H2
L461
L461A
J441
D441
L462-H1
L462-H2
C432
R433
R432
C431
VR631
D641
R639
R638
R637
R635
C641
D631
L605
C631
J141
D633
C633
C643
R642
R643
D635
C635
L635
C645
R644
R
644A
R
644B
D634
C634
J462
D685
C685
R686
L634
C644A
C644
Q613-1
IC651
C651
R685
R684
R654
R655
Q653
R656
D656
D653
R652
R653
Q652
D651
D652
C652
JW2
J1903
J686
C655
C654
R512
D512
C518
Q683
R682
R683
JP501
D501
C521
C517
C511
C510
R510
R511
J515
R515
R514
R522
C515
C514
C515A
J503
J502
J513
J641
J605
R681
J511
C524
R524
R528
J512
JW3
J1912
J1904
JW4
JW5
J1913
IC001-1
R018
R013
J1319
J1318
J1317
C1301
J1312
J005
R1005
D1001
D1003
J1001
J1002
D1002
D1005
D1004
D006
C024
JW8
J205
KP
J352
D353
J284
C231
J283
J287
J281
C289
C291
C226
C209
C246
X211
C205
C204
L204
C286
C287
C284
C285
IC281
D280
R352
D352
R354
C227
C244
C245
L243
C247
L177
R211
L234
C233
C225
C185
L236
L235
C358
C122
C232
C201
C202
C210
IC201
IF/VIDEO/CHROMA
X161A
X161
JW11
J121
X171
L175
R173
C132
J204
C135
J432
J341
J340
J106
J109
R102
R105
R285
R267
Q261
J282
J119
J120
JW9
J123
J126
J125
R426
D421
J359
J358
J357
J356
J354
J431
C540
C520
R519
J353
J203
R518
C527
J107
J108
IC3701
IC1301
IC3702
B10S0100A
KDY
R2
L2
V2
MB
DT
CLK
AGC
IF
11
10
9
8
7654
321
***
B10S01000
MK
VIDEO
IN
AV 2
GND
PB
TB
T471-H9
B
E
C
E
B
GND
SDA
SCL
STS
ACK
IC001-H1
IC001-H2
IC001-H3
IC001-H4
C281
C101
X181
L191
K1001
D608
C619
R603
D607
R604
C618
Q610
J607
TP-B
D1006
R516
J643
L441
L462
R441
J644
JW6
Q684
C
420A
C420A-H2
C420A-H1
JW15
C656
C1004
C1005
C1002
J1005
JW18
R624
C602A
C602
R602A
R602-H4
R602-H3
J143
J606
R486
1
4
K1101
J518
C487
J645
C434
D357
JP843
J514
J285
J002
R243
K1101A
V
L
R
RC PRE. AMP.
AUDIO CH SW
AUDIO
IN (L)
AV 2
AUDIO
IN (R)
AV 2
HEADPHONE
JACK
IC802
AUDIO AMP.
H-DRIVE
H-OUT
F.B.T.
H-WIDTH ADJ.
SECAM
IC501
VERT.
OUT
+ B ADJ.
SW501
V-CENTER
ADJ.
POWER OUT
AUDIO CONTROL/
SURROUND
AUDIO SW
(SOLDER SIDE)
(SOLDER SIDE)
(SOLDER SIDE)
(SOLDER SIDE)
MAIN BOARD (Component Location)
1
1
2
E
5
C712
R712
C711
IC701
R705
K701
R704
R706
R714
R713
R715
K7D
C718
R718
K7P
K7M
K7Q
R707
R708
R709
C701
C703
C702
R701
R702
R703
D701
D703
D702
R721
C722
C721
Q721
D721
R722
L721
C731
C751
L731
R711
IC701H
B10S0100B
J701
14
CRT BOARD (Component Location)
(C4LAZ)
(C4LAZ)
IC201 (IF/VIDEO/CHROMA)
Pin-1
2.3V
2
2.2V
3
2.4V
4
1.9V
5
2.8V
6
2.8V
7
0V
8
5.0V
9
2.3V
10
2.3V
11
3.8V
12
3.6V
13
3.2V
14
1.6V
15
1.6V
16
1.6V
17
0V
18
8.3V
19
2.4V
20
2.4V
21
2.6V
22
5.2V
23
2.5V
24
2.7V
25
5.2V
26
2.6V
27
0.7V
28
1.2V
29
1.7V
30
0.9V
31
4.5V
32
8.4V
33
0V
34
2.5V
35
2.5V
36
2.7V
37
1.9V
38
2.8V
39
3.5V
40
2.5V
41
0V
42
2.5V
43
5.0V
44
2.7V
45
2.5V
46
2.3V
47
3.8V
48
4.1V
49
4.1V
50
2.5V
51
2.2V
52
2.0V
53
2.2V
54
3.1V
IC001 (AUDIO AMP.)
Pin-1
1.6V
2
0V
3
0V
4
0V
5
1.6V
6
7.8V
7
10.5V
8
5.1V
9
23.0V
10
0V
11
4.3V
12
10.3V
IC801 (CPU)
Pin-1
3.8V
2
3.7V
3
5.0V
4
5.0V
5
0V
6
1.7V
7
2.7V
8
5.0V
9
3.9V
10
2.3V
11
3.3V
12
0V
13
5.0V
14
3.5V
15
N.C.
16
0V
17
4.7V
18
4.2V
19
0V
20
0V
21
0V
22
0V
23
0V
24
0V
25
5.0V
26
0.2V
27
4.3V
28
0.1V
29
0V
30
4.9V
31
4.8V
32
5.0V
33
4.9V
34
5.0V
35
5.0V
36
5.0V
Vert.
0.8Vp-p
IC201-pin23
<V drive>
IC201-pin20
<G out>
IC201-pin21
<B out>
IC201-pin28
<Sandcastle>
IC501-pin5
<V out>
Q432-B
<H out>
Q432-C
<H out>
Q612-C
<Power drive>
Q613-C
<Power out>
IC701-pin7
<B-out>
IC701-pin8
<G-out>
IC701-pin9
<R-out>
IC3701 (AUDIO CONTROL & SURROUND)
Pin-1
4.2V
2
N.C.
3
N.C.
4
4.2V
5
4.2V
6
4.2V
7
4.2V
8
4.2V
9
1.0V
10
4.2V
11
3.3V
12
3.3V
13
3.8V
14
3.6V
15
GND
16
8.4V
17
0V
18
4.9V
19
3.2V
20
3.7V
21
4.2V
22
4.2V
23
4.2V
24
4.2V
25
4.2V
26
4.2V
27
4.2V
28
N.C.
29
N.C.
30
4.1V
IC3702 (AUDIO CHANNEL SW)
Pin-1
4.5V
2
4.5V
3
4.5V
4
4.5V
5
4.5V
6
GND
7
GND
8
GND
9
0V
10
9.1V
11
GND
12
N.C.
13
N.C.
14
N.C.
15
4.5V
16
9.1V
Q001
B 0.2V
C 4.3V
E
0V
Q1301
B 5.9V
C 9.1V
E 5.2V
Q1302
B 5.9V
C 9.1V
E 5.3V
Q174
B 6.4V
C 9.0V
E 5.8V
Q176
B 2.4V
C 6.3V
E 1.7V
Q3702
B
0V
C 9.1V
E
0V
Q3703
B 0.6V
C 0V
E
0V
Q461
B 10.1V
C 0V
E 10.6V
Q462
B 0.6V
C 10.1V
E
0V
Q540
B 0.7V
C
0V
E
0V
Q652
B 11.9V
C 11.9V
E 11.6V
Q653
B 9.9V
C 9.8V
E 9.1V
IC701 (TRIPLE VIDEO OUTPUT AMP.)
Pin-1
1.9V
2
1.9V
3
1.9V
4
0V
5
2.0V
6
200V
7
130.5V
8
130V
9
131.6V
IC1301 (AUDIO SW)
Pin-1
5.9V
2
3.3V
3
6.0V
4
3.3V
5
5.9V
6
GND
7
GND
8
GND
9
0V
10
0V
11
3.3V
12
5.9V
13
5.9V
14
5.9V
15
3.3V
16
9.1V
