Read Sony CDX-CA810X Service Manual online
14
CDX-CA810X
Pin No.
Pin Name
I/O
Pin Description
51
TSTB
O
CD text parameter strobe output for CD servo IC.
52
RFOK
I
RFOK signal input from CD servo IC.
53
CD_RST
O
Reset signal output for CD servo IC.
54
A0
O
Command/parameter discrimination signal output for CD servo IC.
55
STB
O
Data strobe signal output for CD servo IC.
56
X_EN
O
Not used. (Open)
57
LIMIT
I
CD mechanism deck Limit switch detection input
58
PH1
I
CD mechanism deck PH1 detection input (Not used in this set)
59
D_SW
I
CD mechanism deck Down switch detection input
60
INSW
I
CD mechanism deck Disc in switch detection input
61
NC (PH3)
O
CD mechanism deck PH3 detection input (Not used in this set)
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, 65
NCO
O
Not used. (Open)
66
AMPATT
O
Power amplifier attenuator control output
67
AMPON
O
Power amplifier standby control output
68
TUON
O
Tuner power supply control output
69
ATT
O
System attenuator control output
70
VOLATT
O
Electronic volume attenuator control output
71
LVCLK
O
Spectrum analyzer data output for electronic volume IC.
72
AUX_ON
O
Not used. (Open)
73 – 75
NCO
O
Not used. (Open)
76
DSTSEL0
I
Not used. (Open)
77
DSTSEL1
I
Not used. (Open)
78
NCO
O
Not used. (Open)
79
XCD_ON
O
Not used. (Open)
80 – 83
NCO
O
Not used. (Open)
84
NS_MASK
O
Not used. (Open)
85
DOORIND
O
Sub panel power supply control output
86
EE_SIO
I/O
EEPROM serial data input/output
87
EE_CKO
O
EEPROM serial clock output
88
TUATT
O
Tuner attenuator control output
89
FLASH_W
I
Flash microcomputer write detection input
90
NCO
O
Not used. (Open)
91
AD_ON
O
Key power supply control output
92, 93
NCO
O
Not used. (Open)
94
DOORSW
I
Front panel OPEN/CLOSE detection input
95
DAVSS
—
D/A converter power supply (–) pin
96, 97
RE_IN1, 0
I
Rotary encoder input 1, 0
98
RC_IN1
I
Rotary commander SHIFT key input
99
RAMBU
I
Not used. (Fixed at L in this set)
100
DAVDD
—
D/A converter power supply (+) pin (+5 V)
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