Read Sony CDC-R937 / CDC-X937 Service Manual online
17
CDC-R937/X937
Pin No.
Pin Name
I/O
Pin Description
60
RFZI
I
RFRP zero-closs signal input
61
RFRP
I
RFRP ripple signal input
62
FEI
I
Focus error signal input
63
SBAD
I
Sub beam addition signal input
64
TEI
I
Tracking error signal input
65
TEZI
I
Tracking error zero-closs signal input
66
FOO
O
Focus equalizer signal output
67
TRO
O
Tracking equalizer signal output
68
VREF
—
Analog reference power supply pin
69
RFGC
O
RF amplitude adjustment control signal output
70
TEBC
O
Tracking balance control signal output
71
FMO
O
Focus equalizer signal output
72
DMO
O
Disc equalizer signal output
73
2VREF
—
Analog reference power supply pin
74
SEL
O
APC circuit on/off signal output
75
VDD2
—
Power supply pin (+5 V)
76, 77
VSS2, XVSS
—
Ground pin
78
XI
I
Crystal oscillator input for CD
79
XO
O
Crystal oscillator output for CD
80
XVDD
—
Power supply pin (+5 V)
81
DVSR
—
Ground pin
82
RO
O
R channel data clock wise signal output
83
DVRR
—
R channel reference voltage pin
84
DVDD
—
Power supply pin
85
DVRL
—
L channel reference voltage pin
86
LO
O
L channel data clock wise signal output
87
DVSL
—
Ground pin
88
TESTM
I
Ground pin
89
IN2/(VPP)
I
Ground pin
90
RESET
I
System reset signal input
91
/HOLD
I
Hold mode control signal input
92
CS
I
External interruption signal input
93
MXO
O
Not used. (Open)
94
MXI
I
Ground pin
95
MVSS2
—
Ground pin
96
MVDD2
—
Power supply pin (+5 V)
97 – 100
COM1 – 4 (OT1 – 4)
O
Not used. (Open)
Click on the first or last page to see other CDC-R937 / CDC-X937 service manuals if exist.