Sony CDX-M8800 Service Manual page 18

CDX-M8800/M8805X
Pin No. Pin Name
52 NC
53 MOTOR ON
54 CLOSE-SW
55 OPEN-SW
56 I_DET
57 MOT–
58 MOT+
59 CD_ON
60 VCC2
61 RESET OUT
62 VSS
63 TEST IN
64 BUS_ON
65 SYSRST
66 BUS/AUX
67 NC
68 ACC_IN
69 ILL_IN
70 RC_IN1
71 CDM_ON
72 NC
73 TU ATT-IN
74 NC
75 NC
76 Z_ATT
77 EJECT-OK
78 OPEN_REQ
79 TEMP-TR
80 QUALITY
81 FP-I_DET
82 VSM
83 SA_IN
84 KEYIN1
85 KEYIN0
86 RCIN0
87 KEY_ACK2
88 KEY_ACK0
89 KEY_ACK1
90 OPEN_KEY
91 RAM_BU
92 FLD_ON
93 FL_ON
94 AVSS
95 DISP_CE
96 VREF
97 AVCC
98 DISP SI/RX
99 DISP SO/TX
100 DISP CKO
18
I/O
O Not used. (Open)
O Front panel motor drive ON signal output
I Front panel close switch signal input
I Front panel open switch signal input
I Motor current detect input
O Front panel open/close control signal output
O Front panel open/close control signal output
I CD servo ON signal input
— Power supply pin (+5V)
O Display CPU reset signal output
— Ground
I Test mode setting detect signal input
O BUS ON control signal output
O System reset signal output
O BUS/AUX select control signal output
O Not used. (Open)
I Accessory key ON detect signal input
I Illumination line detect signal input
I Rotary commander signal input 1
I CD drive power ON signal input
O Not used. (Open)
I Tuner mute condition signal input
O Not used. (Open)
O Not used. (Open)
I CD Z-MUTE signal input
O CD EJECT-OK signal output
I CD OPEN REQ signal input
I Temperature detect input
I Tuner noise detect signal input
I Front panel motor current detect signal input
I S-meter signal input
I Spectrum analyzer data input
I Key signal input 1
I Key signal input 0
I Rotary commander signal input 0
I Key acknowledge detect signal input 2
I Key acknowledge detect signal input 0
I Key acknowledge detect signal input 1
I Open key detect signal input
I RAM back up signal input
O FL driver power supply ON/OFF signal output
O FL power supply ON/OFF signal
— Ground
O Display CPU chip enable output
— A/D converter reference voltage (+5V)
— Power supply pin (+5V)
I Display CPU BUS data input
O Display CPU BUS data output
O Display CPU BUS clock output
Pin Description