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12. Schematic Diagrams
12-1 Main
IIC1
LA1836
OIC2
NJU4053B
AIC1
STK4141V
HIC1 (1/2)
LC72131
OIC1
IR3R42
AIC1
STK4141V
(2/2)
BIC1
560(3T)
TDA7439
JIC1 KA22291
RIC1
BA3950
Samsung Electronics 12-1
Schematic Diagrams
12-2 Front
UIC1
LC866224
MIC2
UIC3
BA4560F(1/2)
UIC3
BA4560F(1/2)
UIC5 M65846
12-2 Samsung Elctronics
Schematic Diagrams
12-3 CD
G3X8(KB9223 + KS9286)
SCHEMATIC DIAGRAM
1
NCW100 NIC9223
KB9223
2
ASSP
1
NIC9286 2
KS9286
DSP&D/ACON
NIC9258
KA9258
1-CD 3-CD
NIC1641/SIC2 SIC1 LB1641
NCW104
Samsung Electronics 12-3
Voltage Table
IC Name KB9223 KB9223 KA9258 IC Name KB9223 KB9223
No. STOP MODE PLAY MODE STOP MODE PLAY MODE STOP MODE PLAY MODE No. STOP MODE PLAY MODE STOP MODE PLAY MODE
1 5V 5V 2.5V 4.5V 41 0V 0V
2 2.5V 4.5V 42 0V 0V
3 2.5V 2.5V 43 0V 0V
4 44 0V 0V
5 8V 8V 45 0V 0V
6 0V 0V 5V 5V 46 0V 0V
7 5V 5V 5V 5V 47
8 2.5V 2.5V 0V 0V 48
9 49
10 2.5V 2.5V 50
11 2.5V 4.5V 51
12 2.5V 4.5V 52
13 0V 0V 0V 0V 53 0V 0V
14 54
15 55
16 56 5V 5V
17 2.5V 2.5V 2.5V 4.5V 57
18 0V 0V 5V 5V 2.5V 4.5V 58
19 5V 0V 2.5V 2.5V 59
20 60
21 0V 0V 8V 8V 61 0V 0V
22 2.5V 2.5V 8V 8V 62 0V 0V
23 2.5V 2.5V 63
24 0V 5V 64 0V 0V 0V 0V
25 0V 5V 2.5V 2.5V 65 0V 0V
26 2.5V 4.5V 66
27 2.5V 4.5V 67 0V 0V
28 0V 0V 0V 0V 68
29 69
30 70 5V 3.8V
31 71 2.5V 2.5V
32 72 5V 5V
33 73 0V 5V
34 0V 0V 5V 5V 74 5V 5V
35 75
36 5V 0V 76
37 77 0V 0V
38 0V 5V 78
39 0V 0V 79 5V 5V
40 0V 5V 0V 0V 80 0V 0V 0V 0V