Panasonic SA-AK88 Service Manual page 32

SCHEMATIC DIAGRAM-14
:POSITIVE VOLTAGE LINE
5V
5.1V
R918
220K
D636
RVD1SS133TA
X
100
R917
Y
Z
F
E
G
H
I
N
K
W
O
U
D
M
e
J
A
B
b
a
C
D
E
F
G
H
d
T
V
R735A
I
J
K
L
M
N
O
R919
10K
5V
D615
1SS291TA
5.1V
5.1V
:NEGATIVE VOLTAGE LINE
L605
3.3µH
C645
16V10
R734
10K
R736A
0.6V
Q705
10K 2.2K
0.6V
2SC3311ARTA
INTERFACE
R960 470
R926
4.7K
C649
0.01
C667
50V2.2
0.1V
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
5V
1 CRT/SER4
5.1V
TPS
2
3.9V
DECK1
3
3.1V
DECK2
4
2.6V
KEY4
5
4.8V
KEY3
6
5.1V
KEY2
7
5.1V
8 KEY1
0V
9 SER1
0V
10 ECHO LVL
IC600
0V
SER3
11
M38199MF213F
0V
SER5
12
SYSTEM CONTROL/
0.7V
FL DRIVE
SPE
13
2.3V
V JOG A/B
14
2.7V
J JOG A/B
15
0V
ECHO ON/OFF
16
0V
17
NC
0V
SER2
18
2V
MM CS
19
0.6V
MM CLK
20
0.5V
MM DOUT
21
0.7V
MM DIN
22
5V
MM RESET
23
1.8V
MM REQ
24
NC
25
0V
PLL CE
26
0V
PLL DA
27
0V
28 PLL CK
5.1V
ST/DO
29
5.1V
SD
30
31 32 33 34 35 36 37 38 39
R948 1K
R941 100
R974 10K
R940
10M
X600
R943
(32.7KHz) (8MHz)
330K
5V
Q604
KRC103MTA
RESET
-31V
D617 RVD1SS133TA
SEG14
80
79
SEG15
78
SEG16
77
SEG17
76
SEG18
75
SEG19
74
SEG20
73
SEG21
72
SEG22
71
SEG23
70
SEG24
69
SEG25
68
SEG26
67
SEG27
66
SEG28
65
SEG29
64
SEG30
63
SEG31
62
SEG32
61
SEG33
60
GRD1
59
GRD2
58
GRD3
57
GRD4
56
GRD5
55
GRD6
54
GRD7
53
GRD8
52
GRD9
51
GRD10
40 41 42 43 44 45 46 47 48 49 50
D627,633,634
RVD1SS133TA
D633
D634
D627
X601
Q606
0.2V
0V
Q608
0V
0.2V
Q606,608
KTC3199GRTA
SWITCHING(MBP)
A
B
C
D
E
F
G
H
I
J
K
L
M
-20.2V
N
-17.8V
O
-26.6V
P
-24.4V
Q
-15.7V
R
-13.4V
S
-14.8V
T
-13.6V
U
-22.2V
V
-24.4V
W
-20.2V
X
-24.5V
Y
-20V
A
-20.1V
B
-24.4V
C
-24.4V
D
-24.4V
E
-20V
F
-24.4V
G
-26.7V
H
-26.7V
I
-26.7V
J
-26.7V
K
-26.7V
L
-26.7V
M
-26.7V
N
-26.7V
O
-26.7V
P
-26.7V
Q
-26.7V
R
S
T
P
Q
R
8.6V
5.8V
5.1V
5.1V
5V