Wiring Diagram - Casio CZ-1 Service Manual And Spare Parts List

2.
WIRING DIAGRAM
NOTE:
1.
Wire Color
Codes
R
:
Red
W
:
White
BL:
Blue
Y
:
Yellow
GR:
Green
PP:
Purple
BK: Black
BR: Brown
:
Orange
GY: Gray
PK
:
Pink E
:
Shielded wire
2.
Terminal Readings
Signal
Nam*
Joiner (Flat Cable)
"L" Pin 7
^
^
Output
O
|
JL7
|
V
|
JL-7
|
CNImH
Connected to Joiner
"L"
pin 7 of
PCBCN1M
Connector **B" Pin
7
/ _____
CB7
| 1
BB
|
MA3M
|
Connected
to
PCB
MA-3M
through a brown wire
Power connector
O
pin 2
-vec
3.
Voltage Levels
P0
2
rCP2
I
AS.1M~H
t
Connected
to
Connector
D
pin
2 on PCB AS-1M
VOD
5V
For
digital circuits
VDL1
5V
For
LED
driving
VOL2
5V
For
LED
driving
(rises
to
+5V
approximately
830
milliseconds after
Power ON)
VDAC
5V
For
DAC
(Digital
to Analog Converter)
VCC 15V
For analog
circuits
-VCC -15V
For analog
circuits
DG OV
Digital
ground
FG OV Frame
ground
DAG OV DAC
ground
CG
OV
Analog ground
VBR *5V
at
Power
ON
RAMs*
backup
voltage
3V
at
Power
OFF
-10-