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