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Component Location
D1902
SW1901
A1901
SW1902
D1901
D1901A
D1902A
1LG4B10Y00300
JA31
Q1902
SW601
L601
PS601H3
PS601H1
C607
D608
D607
C606
D606
C609H1
H H
H H
R605
R604
R607
R608
C609H2
D601
R618
R614
D616
C609
R617
JC31
C616
R680
JC21
C681
R699
R613
JC22
R690
L681
D681
D681A
D671
T611H18
T611H17
T611H16
L671
C671
L611
T611H15
D651
L651
T611H14
C617
T611H13
C651
L631
L604
T611H12
C624
T611H11
D611
C614
R609
Q631
E
R634
R628
R103
R663
Q461A
Q461
D470
R474
JF21
R473
R469
D465
R471
C470
R470
C424A
C475
D462
JF11
L462H1
JF12
D466
D469
L462H2
T471H2
JP414
R488
D485
R481A
R475
C469
C491
R481
D467
D476
R476
D468
R485
KQ
R479
D486
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SW1903
SW1904
SW1905
SW1906
K1303
C1103
C1102
L721
R716
R021
J701
C627
R020
C608
R019
C731
J702
L702A
C006
JB65
JB32
JB62
C012
L701
JP001
R715
E
J703
Q711
J705
J704
Q711A
R703
R713
JC61
R723
JC62
JP681
R683
IC001AH2
Q671
JD52
JD58
R3402
R3401
D617
C3401
C621
R651
C3436
C3432
JD55
C3451
C3452
JD46
E
IC202
IC681
R657
JD47
R631
R635
JE41
C805
R658
JE42
R636
R633
JE43
D668
JE44
C863
C893
JE52
JE45
R280
C432
JE46
L201
C204
L204
JE47
R352
D352
JF41
C670
R351
C250
JF42
JF58
JF52
JF43
JF44
JF54
X211
JF46
C226
JF47
R434
JF55
C231
Q432AH4
IC501AH3
IC501AH4
R509
L202
X202
R508
JG58
JG513
JG41
JG51
R507
JG64
JG59
JG65
JG52
JG512
JG510
JG511
L101
JG53
JG68
JG63
R502
C1033
C510
C1031
JH61
JH51
R501
JH43
JH52
JH66
R503
IC501AH2
JH513
JH62
JH53
IC501AH1
JH54
JH55
JH63
R1009
JH56
R505
R504
JH41
JH512
R1011
C1001
C1003
R1014
JH57
C1022
C1009
C501
C1913
K1302
Waveforms & Voltages
(On the Main Board)
IC001 (AUDIO AMP.)
Pin-112.82V
10 GND
IC201 (IF/VIDEO/CHROMA)
Pin-1 2.0V
10
3.8V
19
5.1V
28
4.3V
37
0V
46
0V
55
5V
64
2.8V
IC202 (REG.)
C009
Pin-1 6.7V
IC1001 (AV SELECTOR)
Pin-1: 4.5V
10:
8.9V
C007
IC1002 (AV SELECTOR)
Pin-1: 4.0V
10:
0V
R009
IC501 (VERT. OUT)
C010
Pin-1 2.4V
C001
IC802 (MEMORY)
Pin-1 GND
Q001
Q002
B 4.17V
B
C 0.7V
C 4.66V
E
E
0V
Q652
Q685
B 0.6V
B 0.1V
C
0V
C
E
0V
E
JD67
Q462
B
0.6V
C 12.4V
E
0V
JE61
JE62
R886
JE63
IC201-pin12
R887
<R out>
R885
R840
R839
R844
JF60
3.8 Vp-p
C210
D249
IC201-pin44
R357
R211
<FBP in>
JF62
D357
1000Vp-p
4.7 Vp-p
Horiz.
JP203
IC3401 (MTS)
Pin-1 4.1V
10
4.1V
JG66
19
8.2V
28
1.8V
JG69
JG610
37
4.1V
46
NC
(On the CRT Board)
Q701
Q721
B 2.6V
B 0.7V
C 2.4V
C 1.4V
E
E 1.41V
Q701-C
<B-out>
175Vp-p
2
0V
3
GND
4
0V
5
2.9V
6
0V
7
11
6V
12
5.7V
13
0V
2
0V
3
3.1V
4
0V
5
2.3V
6
0V
7
11
8.2V
12
2.6V
13
2.6V
14
2.7V
15
0V
16
20
2.7V
21
0.9V
22
0V
23
5V
24
5.6V
25
29
5V
30
0V
31
5V
32
5V
33
1.6V
34
38
0V
39
0V
40
0V
41
3.2V
42
0V
43
47
0V
48
2.6V
49
2.5V
50
2.8V
51
2.5V
52
56
2.8V
57
2.6V
58
2.3
59
2.5V
60
2.3V
61
IC611 (REG.)
2
GND
3
5.0V
Pin-1 11.5V
2
9V
3 GND
4
0V
2:
0.3V
3:
3.5V
4:
3.5V
5:
3.8V
6:
4.0V
7: 4.59V
11:
4.0V
12:
0.3V
13:
3.4V
14:
4.0V
15:
0.3V
16:
2:
2V
3:
3V
4:
2.5V
5:
2.8V
6:
2.0V
7:
11:
8.9V
12:
0.3V
13:
2.0V
14:
2.0V
15:
2.0V
16:
2
26.6V
3
14.5V
4
GND
5
3.4V
6
26.3V
7
2
GND
3
GND
4
GND
5
5.0V
6
5.0V
7
Q003
Q850
Q851
Q1902
Q1006
Q886
Q631
0V
B 13.2V
B
0V
B
0V
B 4.99V
B 3.5V
B 0.7V
B 13.1V
C 13.2V
C 9.0V
C 9.0V
C 4.99V
C 9.0V
C
0V
C 13.2V
0V
E
0V
E
0V
E
0V
E
0V
E 2.9V
E
0V
E 12.6V
Q684
Q671
Q672
Q673
Q674
Q887
Q1003
B 0.63V
B 23.7V
B 0.66V
B 0.7V
B
0V
B
0V
B 2.8V
5V
C
0V
C 24.4V
C 0.1V
C
0V
C 11.3V
C
5V
C 3.1V
0V
E
0V
E 24.4V
E
0V
E
0V
E
0.5V
E
0V
E
0V
IC201-pin13
IC201-pin14
IC201-pin17
IC201-pin21
<G out>
<B out>
<V drive>
<H drive>
0.9 Vp-p
Vert.
2.2 Vp-p
3.6 Vp-p
4.0 Vp-p
IC501-pin5
Q431-C
Q432-B
Q432-C
<Horiz. out>
<Horiz. out>
<Vert. out>
<Horiz. drive>
41.0 Vp-p
47Vp-p
48.4 Vp-p
Vert.
50Vp-p
63.2 Vp-p
Horiz.
1000Vp-p
1220 Vp-p
Horiz.
2
4.2V
3
4.1V
4
4.1V
5
4.1 V
6
3.9V
7
11
4.2V
12
5.1V
13
4.1V
14
1.3V
15
1.3V
16
20
NC
21
4.1V
22
4.1V
23
4.1V
24
4.1V
25
29
4.1V
30
4.1V
31
1.7V
32
4.0V
33
4.1V
34
38
4.1V
39
4.1V
40
4.1V
41
4.2V
42
NC
43
47
4.2V
48
4.1V
Q711
B 0.7V
C 1.4V
0V
E
0V
Q741
Q711-C
Q721-C
B
0.7V
<G-out>
<R-out>
C
1.4V
E
0V
154Vp-p
162Vp-p
13.4V
8
5.6V
9
5.7V
2.3V
8
5.0V
9
2.5V
2.2V
17
2.3V
18
1.7V
0V
26
4.8V
27
4.1V
2.6V
35
5V
36
4.7V
4.5V
44
0V
45
2.5V
2.5V
53
2.5V
54
2.6V
1.8V
62
0V
63
2.8V
IC681 (REG.)
Pin-1 12.9V
2
GND
3
5.0V
8:
4.3V
9:
8.9V
8.9V
0V
8:
4.3V
9:
8.8V
8.9V
2.4V
GND
8
5.0V
Q632
Q1002
Q1001
Q651
B 0.65V
B 4.1V
B 4.1V
B
0V
C
0V
C 4.7V
C 4.7V
C 13.2V
E
0V
E
0V
E
0V
E 13.2V
Q481
Q431
Q111
Q461
B 0.9V
B
0.3V
B 1.1V
B 12.4V
C 4.6V
C
14V
C 7.8V
C 13.1V
E 0.4V
E
0V
E 0.3V
E
0V
IC201-pin56
IC201-pin60
<Internal V in>
<Video out>
1.7Vp-p
0.9 Vp-p
Horiz.
1.4Vp-p
1.8 Vp-p
Horiz.
IC601-pin3
<Power out>
444 Vp-p
GND
8
4.1V
9
4.1V
NC
17
GND
18
3.8V
4.1V
26
4.1V
27
4.1V
4.1V
35
NC
36
4.1V
4.1V
44
4.2V
45
4.2V
BA7E
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