Service manual

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CD-CH1500
Input/OutputPort 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 — Input GND
2 DATA — Input Serial data input
3 CLK — Input Serial clock input
4 LCK — Input Latch clock input
5 Q0 CD_POWER Output For CD power control
6* Q1 — Output Not used
7* Q2 — Output Not used
8* Q3 — Output Not used
9 Q4 — Output Not used
10* Q5 LCD RESET Output LCD reset
11* Q6 P-CON Output Panel control output switching
12 Q7 MOV PNL CL Output Panel control output
13 Q8 MOV PNL OP Output Panel control output open
14 Q9 FAN Output Fan motor ON/OFF
15 Q10 — Output Not used
16 Q11 — Output Not used
17 OE — Output Output enable
18 VDD — Input Power supply
IC912 VHiBU2092F/-1: Input/Output Expander (BU2092F)
Function
Input/OutputPort Name Terminal NamePin No.
Function