Service manual

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MD-M3/D1
51 VP VP – – Power for fluorescent drive. –30V
52 S14 S20 Output Fluorescent segment drive.
53 S13 S21 Output Fluorescent segment drive.
54 S12 S22 Output Fluorescent segment drive.
55 S11 S23 Output Fluorescent segment drive.
56 S10 S24 Output Fluorescent segment drive.
57 S9 S25 Output Fluorescent segment drive.
58 S8 S26 Output Fluorescent segment drive.
59 S7 S27 Output Fluorescent segment drive.
60 S6 S28 Output Fluorescent segment drive.
61 S5 S29 Output Fluorescent segment drive.
62 S4 S30 Output Fluorescent segment drive.
63 S3 S31 Output Fluorescent segment drive.
64 S2 S32 Output Fluorescent segment drive.
65 S1 S33 Output Fluorescent segment drive.
66 VOL_UP PE2 Input Volume jog UP input .
67 VOL_DWN PE3 Input Volume jog DOWN input .
68 DEMO PE4 Input DEMO setting input. "L" : DEMO.
69 NC PE5 Input Connection GND.
70 NC PE6 Input Connection GND.
71 NC PE7 Input Connection GND.
72 VDD-F VDD4 – Power for Fluorescent drive.
73 NC PF0 Input Connection GND.
74 SURROUND PF1 Output Surround mode output. "H" : SURROUND ON.
75 EQ_VOCAL PF2 Output Equalizer gain control. "L" : VOCAL.
76 FL_POWER PF3 Output Power for display output. "H" : POWER ON.
77 TIMER_LED PF4 Output Timer stand by LED output. "H" : ON.
78 TU_DI PF5 Input Data input terminal for CCB serial control.
79 SYS_MUTE PF6 Output System mute output. "H" : MUTE ON.
80 – PF7 Output Power failure back up output.
81 MD_LOADSW PG0 Input Loading switch detection input.
82 CD_RESET PG1 Output DSP reset output. "L" : RESET.
83 AMP_FAN PG2 Output Cooling fan output. "H" : MOTOR ON.
84 AMP_MUTE PG3 Output Speaker AMP. stand by. "L" : STAND BY.
85 TU_CE PO0 Output Chip enable for CCB serial control.
86* NC PO1 Input Connection GND.
87 TU_CL PO2 Output Clock output terminal for CCB/APRO serial control.
88 TU_DO PO3 Output Data output terminal for CCB/APRO serial control.
89 VSS VSS2 – GND.
90 VDD VDD2 – +Power.
91 MD_RESET PO4 Output Unit reset output. "H" : RESET.
92 MD_ST PO5 Output On ·synchronize output.
93 MD_SERCH PO6 Output MD search output.
94 MD_VLOAD PO7 Output Loading power switch.
95 MD_KDAT SO0 Output KEY DATA output terminal for serial control.
96 MD_MDDAT SI0 Input MD DATA input terminal for serial control.
97 MD_DSCK SCK0 Output CLOCK output terminal for serial control.
98 CD_SO SO1 Output DATA output terminal for serial control.
99 CD_SI SI1 Input DATA input terminal for serial control.
100 CD_CL SCK1 Output DATA output terminal for serial control.
ICD01 RH-iX0288AWZZ: System Microcomputer/FL Driver (iX0288AW) (2/2)
Pin No.
Function
Terminal Name
Input/Output
Port Name
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.