Read Sharp CD-C3H (serv.man13) Service Manual online
CD-C3H/CP-C3H
– 56 –
1
P06
TRY_SW3
Input
CD Chenger mechanism tray position detection switch
2
P07
TRY_SW4
Input
CD Chenger mechanism tray position detection switch
3
SO0
COIN
Output
CD command
4
SI0
SQ_OUT
Input
CD Q code data
5
SCK0
CQCK
Output
CD seria clock
6
SO1
COM
Output
DISP microcomputer control line
7
SI1
DAT
Input
DISP microcomputer control line
8
SCK1
SCK
Output
DISP microcomputer control line
9
P16
STB
Output
DISP microcomputer control line
10
P17
DISP_RES
Output
DISP microcomputer control line
11
INT0
WRQ
Input
CD WRQ input
12
RES
RES
Input
Reset input
13
P74
DRF
Input
CD DRF input
14
P75
PU-IN SW
Input
CD PU-IN switch input
15
VSS1
VSS
—
Ground terminal
16
CF1
CF1
Input
Main clock 4.194304 MHz
17
CF2
CF2
Input
Main clock 4.194304 MHz
18
VDD1
VDD
—
Positive power supply
19
AN0
SP_63 Hz
Input
Input for spectrum analyzer 63 Hz
20
AN1
SP_250 Hz
Input
Input for spectrum analyzer 250 Hz
21
AN2
SP_1 kHz
Input
Input for spectrum analyzer 1 kHz
22
AN3
SP_4 kHz
Input
Input for spectrum analyzer 4 kHz
23
AN4
SP_16 KHZ
Input
Input for spectrum analyzer 16 KHz
24
AN5
POSISTOR
Input
Input for temperature detection
25
AN6
TUNER_SM
Input
For tuner input detection
26
AN7
SP_DET
Input
For speaker output detection
27
INT1
SYS_STOP
Input
Power failure detection input –> HOLD mode
28
INT2
SP PROTECT
Input
Speaker ovecurrent detection input –> PROTECT mode
29
INT3
INT3
Input
For outside break-in terminal
30
PA0
T2_B-FP SW
Input
Tape B-FP switch
31
PA1
T2_A-FP SW
Input
Tape A-FP switch
32
PA2
T2_CROM SW
Input
Tape T2 CrO
2
switch
33
PA3
T1_CROM SW
Input
Tape T1 CrO
2
switch
34
PA4
T2_RUN
Input
Tape T2 RUN pulse
35
PA5
T2_PLAY SW
Inputt
Tape T2 PLAY switch
36
PA6
VOL SW
Output
Voltage selection hold
37
PA7
MOTOR
Output
Tape motor output
38
PB0
T2_SOL
Output
For tape T2 solenoid drive
39
PB1
T1_SOL
Output
For tape T1 solenoid drive
40
PB2
T1_RUN
Input
Tape T1 RUN pulse
41
PB3
T1_PLAY SW
Input
Tape T1 PLAY switch
42
PB4
HI_SPEED
Output
Tape HIGH SPEED state "L" –> "H"
43
PB5
TA_BIAS
Output
Tape REC BIAS OSC
44
PB6
BEET_CANCEL
Output
Tape BIAS frequency selection; Usually "L"
45
PB7
TA_R/P
Output
Tepe PB/REC signal selection
46
PC0
TA_PB-EQ
Output
Tape playback side tape Equalizer selection NOR/CrO
2
47
PC1
REC-EQ
Output
Tape record Amp Equalizer selection signal NOR/CrO
2
48
PC2
REC_MUT
Output
Tape record muting output
49
PC3
TA_T1/T2
Output
Tape T1 = "H" T2 = "L"
50
PC4
—
Output
Not used
51
PC5
DOLBY-ON/OFF
Output
DOLBY mode control ON : H OFF : L
52
PC6
DOLBY-PB/REC
Output
DOLBY playback/record selection output RECORD : H PLAYBACK : L0
IC201 RH-iX0210AWZZ: System Microcomputer (IX0210AW)(1/2)
Port Name
Terminal Name
Pin No.
Input/Output
Function
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