Service manual

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CD-C831W
IC701 RH-iX0281AWZZ:System Microcomputer (IX0281AW) (1/2) or
IC701 RH-iX0310AWZZ:System Microcomputer (IX0310AW) (1/2)
55 P117 DISTO Input DISTINATION INPUT]\
56 P116 KEY JOG A Input KEY JOG INPUT A
57 P115 KEY JOG B Input KEY JOG INPUT B
58 P114 S MUTE Output SYSTEM MUTE
59* P113 C MUTE Output CENTER MUTE
60* P112 SR MUTE Output SURROUND MUTE
61 P111 HI-CUT Output HI-CUT OUTPUT
62* P110 POWER Output POWER OUTPUT
63 P107 SPRLY Output SPEAKER OUTPUT RELAY CONTROL
64 P106 SP_DET Input SPEAKER OUTPUT DETECTION
65 P105 SPN_P Input TUNER SPAN CHANGE
66* P104 DISTOUT Output DISTINATION OUTPUT
67 P103/FIP32 DIAS4/P22 Input/Output FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
68 P102/FIP31 DIAS3/P21 Input/Output FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
69 P101/FIP30 DIAS2/P20/P15 Input/Output FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
70 P100/FIP29 DIAS1/P19/P16 Input/Output FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
71-78 FIP28-FIP21 P18/P13-P11/P7 Output FL DISPLAY SEGMENT DRIVER
79 VLOAD VLOAD — FL DRIVER (–) POWER SUPP, –30V
80-100 FIP20-FIP0 P10/P6-G1/9G Output FL DISPLAY SEGMENT DRIVER
Port Name Terminal NamePin No. Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Function