CDX-CA680N - Sony Car Audio Service Manual (repair manual). Page 12

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12
CDX-CA680N
Pin No.
Pin Name
I/O
Pin Description
56
X_EN
O
Not used. (Open)
57
LIMIT
I
CD mechanism deck Limit switch detection input
58
NCO
O
Not used. (Open)
59
D_SW
I
CD mechanism deck Down switch detection input
60
INSW
I
CD mechanism deck Disc in switch detection input
61
NC
O
Not used. (Open)
62
CD_LM_LO
O
CD mechanism deck loading motor control output (Loading direction)
63
CD_LM_EJ
O
CD mechanism deck loading motor control output (Eject direction)
64 to 66
NC
O
Not used. (Open)
67
ATT
O
System attenuator control output
68
DIAG
I
Mode input from power amp IC.
69
STB
O
Standby control output for power amp IC.
70
VOLATT
O
Electronic volume attenuator control output
71 to 74
NC
O
Not used. (Open)
75
DOOR-IND
O
Sub panel power supply control output
76 to 84
NC
O
Not used. (Open)
85
NS_MASK
O
Noise mask output
86
E2P_CKO
O
EEPROM serial clock output
87
E2P_SIO
I/O
EEPROM serial data input/output
88
TU-ATT
O
Tuner attenuator control output
89, 90
NC
O
Not used. (Open)
91
AD_ON
O
Key power supply control output
92, 93
NC
O
Not used. (Open)
94
PANEL_SW
I
Not used. (Fixed at L in this set)
95
DAVSS
D/A converter power supply (–) pin
96
COLSW
I
Key illumination 1 color/2 color select initial setting input (Fixed at L in this set)
97
FLASH_W
I
Flash microcomputer write detection input
98
RCIN1
I
Rotary commander SHIFT key input
99
NC
O
Not used. (Open)
100
DAVDD
D/A converter power supply (+) pin (+5 V)
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