Ic And Transistor Voltage Chart - Teac PL-D200V Service Manual

IC AND TRANSISTOR VOLTAGE CHART

MEASUREMENT CONDITION
Function : DVD(NO DISC)
Unit : V
FRONT BOARD PART
IC74(LC75725E)
PIN NO.
DESCRIPTION
1
VFL
2
G1
3
G2
4
G3
5
G4
6 G5
7
G6
8
G7
9
G8
10
G9
11 G10
12
G11
13
VFL
14
S43
15
S42
16
S41
17
S40
18
S39
19
S38
20
S37
21
S36
22
S35
23
S34
24
S33
25
S32
26
S31
27 S30
28
S29
29
S28
30
S27
31
S26
32 S25
33
S24
34
S23
35
S22
36
S21
37
S20
38
S19
39
S18
40
S17
41
S16
42
S15
43
S14
44
S13
45
S12
46
S11
VOLTAGE
-30.5
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-30.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-27.0
-30.0
-20.0
-14.0
-14.0
-24.0
-24.0
-30.0
-20.0
-27.0
-30.0
47 S10
48
49
50
51
52
53
54
55
56
57 VSS
58 OSCO
59 OSCI
60 VDD
61 BLK
62
63
64
IC76(M2068MD)
PIN NO. DESCRIPTION
1 A OUTPUT
2 A-INPUT
3 A+INPUT
4
5 B+INPUT
6 B-INPUT
7 B INPUT
8
MAIN BOARD PART
IC10(M2068MD)
PIN NO. DESCRIPTION
1 A OUTPUT
2 A-INPUT
3 A+INPUT
4
5 B+INPUT
6 B-INPUT
7 B INPUT
8
-20.0
S9 -30.0
S8 -24.0
S7 -27.0
S6 -17.0
S5 -15.0
S4 -15.0
S3 -30.0
S2 -30.0
S1 -30.0
0.0
2.4
2.4
4.6
3.7
CE 1.0
CL 0.0
DI 1.4
VOLTAGE
0
0
0
V- -11.4
0
0
0
V+ 11.4
VOLTAGE
0
0
0
V- -11.4
0
0
0
V+ 11.4
131