Read Sharp CD-CH1500 (serv.man8) Service Manual online
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CD-CH1500H/CD-CH1500W
1
P60/A16
PB MUTE
Output
Cassette playback mute.
2
P62/A18
REC
Output
Recording output (Cassette).
3
P61/A17
REC BIAS
Output
Recording bias output (Cassette).
4
P63/A19
DEST_OUT1
Output
Span output for destination 1.
5
P64/RD
T-MOTOR
Output
Cassette operation motor output.
6
P65/WR
T-SOL
Output
Cassette solenoid output.
7
P66/WAIT
DEST_OUT2
Output
Span output for destination 2.
8
P67/ASTB
RUN PULSE
Input
Pulse for tape running check.
9
VDD
VDD
Input
To be connected to VDD.
10
P100/T15/TO5
A-FP SW
Input
A side foolproof switch.
11
P101/T16/TO6
B-FP SW
Input
B side foolproof switch.
12
P102/T17/TO7
CAM SW
Input
Cassette CAM switch.
13
P103/T18/TO8
CST SW
Input
Cassette detection switch.
14
P30/TO0
CE
Output
Tuner chip enable.
15
P31/TO1
DEST_IN
Input
Destination input.
16*
P32/TO2
CD MUTE
Output
CD mute.
17
P33/TI1
SPAN
Input
Tuner span select.
18
P34/TI2
DATA
Output
Extension port output.
19
P35/TI00
CLK
Output
Extension port clock.
20
P36/TI01
LCK1
Output
Extension port 1 latch clock.
21
P37
LCK2
Output
Extension port 2 latch clock.
22*
TEST/Vpp
TEST/Vpp
Input
Not used.
23*
P90
LCD DB4
Output
Not used.
24*
P91
LCD DB5
Output
Not used.
25*
P92
LCD DB6
Output
Not used.
26*
P93
LCD DB7
Output
Not used.
27*
P94
N.C.
Output
Not used.
28
P06/INTP6
POWER RLY
Output
POWER relay control.
29*
P120/RTP0
LCD RS
Output
Not used.
30*
P121/RTP1
LCD R/W
Output
Not used.
31*
P122/RTP2
LCD E
Output
Not used.
32
P123/RTP3
TIMER LCD
Output
LED output for timer.
33
P124/RTP4
DIMMER
Output
LCD backlight.
34
P125/RTP5
SYS MUTE
Output
System mute output.
35
P126/RTP6
C FUTA CL
Input
Panel close switch.
36
P127/RTP7
C FUTA OP
Input
Panel open switch.
37
Vdd
VDD
Input
Connected to VDD.
38
X2
X2
Output
8 MHz sera - lock.
39
X1
X1
Input
8 MHz sera - lock.
40
Vss
VSS
Input
Ground potertial to be connected to VSS.
41
XT2
XT2
Output
32.768 kHz crystal.
42
XT1
XT1
Input
32.768 kHz crystal.
43
RESET
RESET
Input
Reset input.
44
P00/INTP0
REMOCON
Input
Remote control signal input.
45
P01/INTP1
JOG-A
Input
JOG A input.
46
P02/INTP2/NMI
JOG-B
Input
JOG B input.
47
P03/INTP3
SYS STOP
Input
Power failure detection.
48
P04/INTP4
PROTECT
Input
Speaker abnormal detection.
49
P05/INTP5
SP RLY
Output
Speaker relay.
50
P95
POWER KEY
Input
POWER key input.
51
Avdd
AVDD
Input
Analog power supply.
Pin No.
Input/Output
Port Name
Terminal Name
IC901 RH-iX0417AWZZ: System Microcomputer (IX0417AW) (1/2)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Function
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