Panasonic SA-PM65MD Service Manual page 117

SCHEMATIC DIAGRAM-18
MD CONNECTOR CIRCUIT
C893
1
KEY1 27P
2
KEY2
3
LED1
4
LED2
5
LED3
6
RX1(DIN1)
7
RX2(DIN2)
8
MD_REQ
9
MD_CS
10
MD_CLK
11
MD_DATAIN
12
MD_DATAOUT
13
TO
MD_SYSRST
14
MD SERVO
HEAD+5V
CIRCUIT 15
DGND
(CN4) on
16
AGND
SCHEMATIC
17
DIAGRAM-6 LOADSW
18
L+5V
19
MD3.3V
20
MD5V
21
MD5V
22
MOTOR_GND
23
RECIN_L
24
MOTOR_GND
25
RECIN_R
26
A+3.3V
27
MD_RCH
28
DAGND
29
MD_LCH
30
CS605
R886
470
R887
5.6K
L875
C879
68P
100µH
R890
2.7K
R894
10K
R892
1.2K
L877 FP871
1250
L880
10µH
L881
C878
10V330
C415
L415
10µH
50V2.2
C515
L515
10µH 50V2.2
L882
10µH
R514
5.6K
R414
5.6K
: +B signal line
R883
470
14 13 12 11 10
IC802
1 2 3 4 5
C885
0.01
16 15 14 12 11 10
13 9
IC803
IC803
TC4050BF
5V TO 3V
1 2 3 4 5 6 7 8
C880
0.01
A3.3V
: MD Signal line
: MD Rec Signal line
9
8
IC802
TC74HCT7007A
3V TO 5V
6 7
C884
0.1
A3.3V
19
18
D5V
17
16
OPIN
15
CDTX
14
LOADSW
13
12 TO
MD_CS
MAIN CIRCUIT
11
MD_REQ
(CS608A) on
10
MD_CLK
SCHEMATIC
9
DIAGRAM-9
8
7
6
5
4
3
2
1
CS608B