Panasonic SA-PM65MD Service Manual page 123

SCHEMATIC DIAGRAM-6
:+B Signal Line
B
PLAY
0.5 s. 1V/DIV.
3.3V
0V (1.7V)
3.3V
3.3V
L10
10 H
1.4V
L9
10 H
1.4V
C100
0.1
1.4V
C97 4V4.7
3.5V
PLAY
2V
3.5V
P P
1kHz,0dB
5V
8
IC6
TC7W04FTE12L
INVERTER
1
5V
(0V)
0V
:MD Signal Line
3.3V 3.3V
5V 5V
A D C E
PLAY
3.2V
3.2V
0V 0V
T 0.36 s.
IC4
AK4518VF E2
AD/DA CONVERTER
0V 0.8V
DGND SDTO
13 12
1.7V
14 VD SCLK 11
0V 1.7V
SDTI LRCK
15 10
1.7V
CMODE MCLK
16 9
0V 3.3V
DEM1 /PWDA
17 8
3.3V
DEM0 /PWAD
18 7
1.4V
AOUTL AINL
19 6
1.4V
20 AOUTR VCML 5
1.4V
VCOM VCMR
21 4
0V 1.4V
AGND AINR
22 3
3.5V
VB VRAD
23 2
3.5V
VA VRDA
24 1
B A
4.9V
(4.9V)
0V 0V 4.9V
7 6 5
2 3 4
0V 0V
: MD Recording Signal Line
U V T
PLAY
3.2V
0V
T 23 s.
5
PLAY
3.2V
P P 1
F=16.9344MHz
R31
IC5
22K
RN5RG33AA TL
REGULATOR
R21
22K
R61
22K
3.5V 3.5V
5V 5V
L16
2.2 H
X
W
A
K
J
I
L
D
G
F
E
R
Q
C47
C138
1
6.3V47
Q13
2SB1121ST TD
REGULATOR
3.3V 5V
4.3V
R63
10K
0V 4.1V
4
2 3
0V 5V 3.3V
C88
330P
C93
0.1
C94
4V4.7
C95
0.1
R62 C96
22K 4V4.7
C89
330P
CN4
30
29
28
27
26
25
24
23
22
5V 5V 21
20
19
18
C140
17
0.1
16
15
L14 2.2 H
14
L17 1.8 H
13
R120 100
12
R119 100
11
L7 2.2 H
10
R118 1K
9
8
7
R79 1K
6
R78 1K
5
R123 1K
4
R112 220
3
R111 220
2
L8 2.2 H
1
W Q
Lch OUT
DA.GND
Rch OUT
+B(4)
Rch IN
M.GND
Lch IN
M.GND
+B(3)
+B(3)
+B(3.3V)
+B(2)
LOAD
TO
F
D.GND
MD CONNECTOR
D.GND
(CS605) ON
+B(1) SCHEMATIC
DIAGRAM-18
SYSRST
DATAO
DATAI
CLK
CS
REQ
RX2
RX1
LED3
LED2
LED1
KEY2
KEY1
AD.GND