Panasonic CF-48 Service Manual page 95

Main 27 BIOS, 12V
B I O S
1
SA[0-18]
SST39VF040-90-4C-NH
2
SA[17]
SA[16]
SA[15]
SA[14]
SA[13]
SA[12]
SA[11]
SA[10]
3
SA[9]
SA[8]
SA[7]
SA[6]
SA[5]
SA[4]
SA[3]
SA[2]
4 SA[1]
SA[0]
SA[18]
5
6
2 V
7
VD12ON
028:F3
8
9
10
11
A B
SD[0-7]
IC50
30 21 SD[7]
A17 D7
2 20 SD[6]
A16 D6
3 19 SD[5]
A15 D5
29 18 SD[4]
A14 D4
28 17 SD[3]
A13 D3
4 15 SD[2]
A12 D2
25 14 SD[1]
A11 D1
IC51
23 13 SD[0]
1 ROMEN#
A10 D0
4 027:H7
26
2 IROMCS#
A9
010:F5;027:H6
27 22
TC7S32F
A8 CE#
5 24
MEMR#
A7 OE#
010:D8;026:B6;027:H6
6 31
MEMW#
A6 WE#
010:D8;026:B6;027:H6
7
A5
VC3
8
A4
32
9
A3 VCC
10
A2
11
A1
C429
12
A0
0.1u
16
1
A18 VSS
IC51
5
VCC
3
GND
TC7S32F
VM1
IC43
NJM2370R12
1 Vin 8
CTRL
2 GND NC 7
VD12
R281
3 NC 6
NC
10K
4 Vout 5
Byps
B 3225
JRC 16V
C302 C305 C304
50V
0.1u
0.01u 10u
C D
VC3
C166
0.1u
001:E10;011:C4;024:G2;028:D2;029:F7;033:E5
E F G
10 - 27
ROM-WRITER
NU
CN23
IL-FPR-U50S-HF
1
SA[17]
2
SA[16]
3
SA[15]
4
SA[14]
5
SA[13]
6
SA[12]
7
SA[11]
8
SA[10]
9
SA[9]
10
11
SA[8]
12
SA[7]
13
SA[6]
14
SA[5]
15
SA[4]
16
SA[3]
17
SA[2]
18
SA[1]
19
SA[0]
20
SA[18] 21
22
SD[7] 23
SD[6] 24
SD[5] 25
SD[4] 26
SD[3] 27
SD[2] 28
SD[1] 29
SD[0] 30
31
MEMW# 32
010:D8;026:B6;027:D3
MEMR# 33
010:D8;026:B6;027:D3
IROMCS# 34
010:F5;027:E3
ROMJIGU# 35
010:F5
IOW# 36
010:D7;017:D6;019:D7;026:B6;028:B8
VCRST# 37
ROMEN# 38
027:E3
PORT80# 39
010:F5
40
R142
41
47K
42
VC3
43
44
45
VC5
46
IOR#
47
010:D7;017:D6;019:D7;026:B6;028:D8
48
49
50
H I J