Vr, Display, Ps - Casio ZD-3 Service Manual

VR
(VCC9V)
(DC9V)
From
(GND)
WC307
AMP
(TU9V)
Unit
(MD9V)
Rotary Volume
With
WC304
Loundness
VR350
DISPLAY
LCD Module
LCD950
PS
(GND)
To
(VCC) WC 400
VR Unit
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Control Switch
Circuit
SW350~SW352
Lipple Filter
Circuit
Q350, Q351,
Q352
LCD Driver
IC950
Control
Switch Circiut
SW970~SW974
SW980~SW984
SW990~SW994
Stand-by LED
LD950
Rectification
Circuit
D402~D405
(C406)
10
Function
Switch
S353
(GND)
(3.3V)
(DB3)
(DB2)
(DB1)
(DB0)
(E)
(CLK)
(GND)
WC950
(KEYIN)
(KEYIN)
(KEYIN)
(VCC9V)
Power
TRANS.
T401
Fuse
F401
(VCC9V)
(GND)
(Power Key)
(Key IN3)
(PS CONT)
(DC9V)
(GND)
(CD9V)
(F TU)
(3.3V)
(F MD)
(F CD)
(VCC9V)
From
PS
CN400 (GND)
Unit
4754-009-0
4754-036-0
J401
AC Jack
AC Cable
4754-015-0