Sharp CD-CH1500 (serv.man8) Service Manual ▷ View online
– 53 –
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
CD-CH1500H/CD-CH1500W
– 54 –
52
AVref0
AVref0
—
Analog reference potential 0.
53
P10/ANI0
KEY0
Input
Key input 0 (AD port).
54
P11/ANI1
KEY1
Input
Key input 1 (AD port).
55
P12/ANI2
KEY2
Input
Key input 2 (AD port).
56
P13/ANI3
KEY3
Input
Key input 3 (AD port).
57
P14/ANI4
KEY4
Input
Key input 4 (AD port).
58
P15/ANI5
LEVEL_L
Input
Level meter input L-ch.
59
P16/ANI6
VSM
Input
Tuner state input.
60
P17/ANI7
LEVEL_R
Input
Level meter input R-ch.
61
Avss
AVSS
—
Analog GND.
62
P130/ANO0
REVERSE
Input
Tape mecha select single/reverse.
63*
P131/ANO1
—
Output
Not used.
64
AVref1
AVref1
Input
Analog reference potential 1 .
65*
P70/RxD2/SI2
RX
Input
Not used.
66*
P71/TxD2/SO2
TX
Output
Not used.
67*
P72/ASCK2/SCK2
—
Input
Not used.
68
P20/RxD1/SI1
TUNER DI
Input
Tuner data input.
69
P21/TxD1/SO1
TUNER DO
Output
Tuner data output.
70
P22/ASCK1/SC
TUNER CL
Output
Tuner clock output.
71*
P23/PCL
—
Output
Not used.
72*
P24/BUZ
—
Output
Not used.
73
P25/SI0/SDA0
LCD-R/W
Input/Output
Control output read/write to LCD driver.
74*
P26/SO0
—
Output
Not used.
75
P27/SCK0/SCL0
LCD-E
Output
Control output clock to LCD driver.
76
P80/A0
FH A-SW E
Input
CAM A switch e.
77
P81/A1
FH A-SW D
Input
CAM A switch d.
78
P82/A2
FH A-SW C
Input
CAM A switch c.
79
P83/A3
FH A-SW B
Input
CAM A switch b.
80
P84/A4
FH A-SW A
Input
CAM A switch a.
81
P85/A5
FH T-SW A
Input
TRAY identification switch a.
82
P86/A6
FH T-SW B
Input
TRAY identification switch b.
83
P87/A7
FH T-SW C
Input
TRAY identification switch c.
84
P40/AD0
FH C-SW B
Input
CAM C switch b.
85
P41/AD1
FH C-SW A
Input
CAM C switch a.
86
P42/AD2
CD CCE
Output
CD LSI chip enable.
87
P43/AD3
CD BUCK
Output
CD LSI clock.
88
P44/AD4
CD BUS3
Input/Output
CD LSI data input/output.
89
P45/AD5
CD BUS2
Input/Output
CD LSI data input/output.
90
P46/AD6
CD BUS1
Input/Output
CD LSI data input/output.
91
P47/AD7
CD BUS0
Input/Output
CD LSI data input/output.
92
P50/A8
CD RESET
Output
CD LSI reset.
93
P51/A9
CD RW
Output
CD-RW reproduction switching.
94
P52/A10
CD PICK IN
Input
CD pickup inner switch input.
95
P53/A11
FH M A+
Output
Tray motor forward rotation.
96
P54/A12
FH M A-
Output
Tray motor reverse rotation.
97
P55/A13
FH M B+
Output
CAM motor forward rotation.
98
P56/A14
FH M B-
Output
CAM motor reverse rotation.
99
P57/A15
REC MUTE
Output
TAPE REC mute.
100
Vss
VSS
Input
Ground potertial connected to VSS.
IC901 RH-iX0417AWZZ: System Microcomputer (IX0417AW) (2/2)
Pin No.
Input/Output
Port Name
Terminal Name
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Function
– 55 –
CD-CH1500H/CD-CH1500W
Input/Output
Port Name
Terminal Name
1
VSS
—
Input
GND
2
DATA
—
Input
Serial data input.
3
CLOCK
—
Input
Serial clock input.
4
LCK
—
Input
Latch clock input.
5
Q0
LED_EG
Output
Panel LED
6
Q1
LED1
Output
Stop LED
7
Q2
LED2
Output
< REV PLY
8
Q3
LED3
Output
<< LED
9
Q4
LED4
Output
>> LED
10
Q5
LED5
Output
> I I LED
11
Q6
CD LED 6
Output
CD 6 LED
12
Q7
CD LED 5
Output
CD 5 LED
13
Q8
CD LED 4
Output
CD 4 LED
14
Q9
CD LED 3
Output
CD 3 LED
15
Q10
CD LED 2
Output
CD 2 LED
16
Q11
CD LED 1
Output
CD 1 LED
17
OE
—
Output
Output enable.
18
VDD
—
Input
Power supply.
Pin No.
IC702 VHiBU2092F/-1: Input/Output Expander (BU2092F)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
1
VSS
VSS
Input
GND
2
DATA
DATA
Input
Serial data input.
3
CLK
CLK
Input
Serial clock input.
4
LCK
LCK
Input
Latch clock input.
5
Q0
CD-SW
Output
For CD power control.
6*
Q1
N.C.
Output
Not used.
7*
Q2
N.C.
Output
Not used.
8*
Q3
N.C.
Output
Not used.
9
Q4
CD-R_SEL
Output
Not used.
10*
Q5
LCD RESET
Output
LCD reset.
11*
Q6
P-CONT
Output
Panel control output switching.
12
Q7
PNL_CL
Output
Panel control output.
13
Q8
PNL_OP
Output
Panel control output open.
14
Q9
FAN
Output
Fan motor ON/OFF.
15
Q10
AUX_SEL
Output
Not used.
16
Q11
DIG_SEL
Output
Not used.
17
OE
OE
Output
Output enable.
18
VDD
VDD
Input
Power supply.
IC912 VHiBU2092F/-1: Input/Output Expander (BU2092F)
Function
Input/Output
Port Name
Terminal Name
Pin No.
Function
CD-CH1500H/CD-CH1500W
– 56 –
— M E M O —
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