Service manual

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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