Vr, Lcd - Casio ZD-3 Service Manual

Md cd system
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VR, LCD

D350
RB721Q
SW350
Power
SW352
Sleep
C353
2.2µ/50V BP
R355
220K
R351 100K
Q350
10.9
2SB1655
C
E
Q351
2SA1015
B
C
E
10.5
10.5
B
9.6
R353
220(1/4W)
L350
FBA04HA600
1.4
C
0.7
B
Q352
2SC3330
R356
10K
E
L351
0
FBA04HA600
C358
R357
1500P
4.7K
C359
0.1µ/50V
3
2
1
5
6
VR350
7
50K-B
C360
R358
C357
0.1µ/50V
4.7K
1500P
WC350
VR UNIT
LCD UNIT
to CD Unit
1
VCC 9V
GND
2
3
POWER KEY
4
KEY IN3
PS CONT
5
DC 9V
6
7
D-GND
8
CD 9V
FTUNER
9
10
3.3V
11
FMD
FCD
12
S353-2
FCD
Function
SW
FMD
3.3V
FTUNER
1
VCC 9V
2
DC 9V
WC307
to AMP
3
GND
4
TUNER 9V
5
MD 9V
S353-1
Function
CD 9V
SW
MD 9V
C965
DC 9V
TUNER 9V
R974
270K
CN400
to PS
SW974
SW973
1
GND
FF
B/Skip
2
VCC 9V
R984
3
GND
270K
to Tuner
SW984
SW983
to CD Mecha
MD Eject
Delete
P300
(MD Shield Case)
R994
6
Lch VI
270K
Rch VI
5
SW994
SW993
Play Mode
Memory
GND
4
3
Lch VO
2
Rch VO
GND
1
WC304
to AMP
LD950
Power LED
2.1
2.1
R964
120
R969
1K
Q951
2SC2412K-BR
E
C
0
2.0
B
0
R963
4.7K
R962
100K
0
R960
C
0.7
4.7K
B
E
D954
Q950
9.1B
2SC2412K-BR
0
0.1
R973
R972
R971
82K
24K
43K
SW972
SW971
SW970
Enter
F/Skip
FR
R983
R982
R981
82K
43K
24K
SW982
SW981
SW980
Edit
Display
MBSR
R993
R992
R991
82K
43K
24K
SW992
SW991
SW990
REC
Play/
Stop
Pause
63
CD MD RADIO
A .
M A R K
S L E E P
R E C .
M O N O
S U R R O U N D
R A N D A M
1
M E M O R Y
S T E R E O
k H z
24
SEG17
25
SEG18
26
SEG19
27
SEG20
28
SEG21
29
IC950
SEG22
30
LCD Driver
NC
31
SEG23
32
SEG24
33
SEG25
34
TEST
35
E
NC
R957
0
R956
47K
C964
C951
2.2m/16V
Notes:
1. All resistance values are in ohms (k=1000 ohms, M=1000 kohms).
2. All capacitance values are In µF (P=10
3. All resistors are 1/10 watt, unless otherwise specified.
B A S S
M H z
LCD
LCD950
5
COM2
4
COM1
3
COM0
2
VC3
1
VC2
NC
60
VC1
59
C950
CB
58
CA
F0.1
57
Vd1
56
CSC2
55
CSC1
R950
75K
C958
F0.1
C959
47µ/6.3V
0.1
C966
47µ/6.3V
WC950
to CD
1
GND
2
+3.3V
3
DB3
4
DB2
5
DB1
6
DB0
7
E
8
CLK
9
VCC9V
10
GND
11
KEY IN0
12
KEY IN1
13
KEY IN2
14
NC
15
NC
µF).
-6

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