Md Unit - Casio ZD-1 Service Manual

MD Unit

SYS_+3.3V
1
2
3
VBAT
4
SYSTEM-RST
5
POWER-DOWN
6
AMUTE
7
8
DA-RST
9
RXD
10
TXD
11
RTS
12
CTS
13
14
15
EMPHASIS
INVERT
16
Q501
CN501
16P(FFC)
TO BD BOAD
(CN103)
TO MD BOAD
(CN102)
CN502
19P(FFC)
ADDT
1
M-GND
2
BCK
3
M-GND
4
DADT
5
M+5V
6
LRCK
7
M+5V
8
GND
9
GND
10
3.3V-OUT
11
D-IN
12
H+5V
13
D OUT
14
+5V
15
+5V
16
512FS
17
H-GND
18
256FS
19
TH501
1 2
TEMP
DETECTOR
IC505
BA10358
OSC
X501
IC502
22MHz
TC7WU04
IC503
1
24
VCC1 VCC2
2 23
VCC1 AGND1
3
22
VINR AGND2
4
21
VREF1 VCOM
5 20
VREF2 VOUTR
6
19
VINL VOUTL
7 18
1PDAD DEM0
8
17
1PDDA DEM1
9
16
SYSCK ZOBIT
10
15
LRCIN DIN
11
14
BCKIN VDD
12 13
DOUT DGND
PCM3003
9
D502
D501
1SS133
POWER
SUPPLY
IC501
S-81340HG
MUTE
CIRCUIT
Q502
Q503
Q504
TO CD PCB
CN504
MD_MUTE
11
RXD.
10
TXD.
9
RTS.
8
SYSTEM_RST
7
P_DOWN
6
CTS.
5
TEMPDET
4
GND_UCOM
3
2
1
TO AMP PCB
CN503
MD_OUT(R)
1
A_GND
2
MD_OUT(L)
3
M+5V.
4
H+5V.
5
+5
6
DGND(M)
7
DGND(H)
8
A_IN(R)
9
SYS_GND
10
A_IN(L)
11
JOIN
WIRE
FROM
CD PCB
D_OUT(CD)
1
D_GND(CD)
2