Read Sony HCD-EC55 / HCD-EC77 / HCD-GX99 / MHC-EC55 / MHC-EC77 / MHC-GX99 Service Manual online
52
HCD-EC55/EC77/GX99
Pin No.
Pin Name
I/O
Description
48
Pio0
O
REQ output terminal
49
Pio1
I
General purpose I/O input terminal (Not used (Open))
50
Pio2
I
BSIF GATE signal input terminal (Not used (Open))
51
Pio3
I
General purpose I/O input terminal (Not used (Open))
52
VSS1
—
Ground terminal (Digital 3.3V)
53
VDDT3
—
Power supply terminal (Digital I/O 3.3V)
54
SBSY
O
Sub code block sync output terminal
55
SBOK/FOK
O
Q data CRCC judgment output terminal (Not used (Open))
56
IPF
O
Correct flag output terminal (Not used (Open))
57
SFSY/LOCK
O
Servo register read clock output terminal (Not used (Open))
58
ZDET
O
DAC zero data detect flag output terminal
59
GPIN
I
General purpose input terminal (Not used (Fixed to “L”))
60
MS
I
U-com I/F mode select input terminal (Fixed to “H”)
61
DoUT(Po6)
O
Digital output terminal (Not used (Open))
62
AoUT1(Po7)
O
Audio data output terminal (Not used (Open))
63
BCK(Po8)
O
Bit clock output terminal (Audio output) (Not used (Open))
64
LRCK(Po9)
O
Channel clock output terminal (Not used (Open))
65
AiN(Pi4)
I
Data input terminal (Used DAC) (Not used (Fixed to “L”))
66
BCKi(Pi5)
I
Bit clock input terminal (Used DAC) (Not used (Fixed to “L”))
67
LRCKi(Pi6)
I
Channel clock input terminal (Used DAC) (Not used (Fixed to “L”))
68
VDD1
—
Power supply terminal (Digital 1.5V)
69
VSS1
—
Ground terminal (Digital 1.5V)
70
AWRC
O
VCO control output terminal (Used active wide range) (Not used (Open))
71
PVDD3
—
Power supply terminal (PLL 3.3V)
72
PDo
O
Phase error signal of EFM signal and PLCK signal output terminal
73
TMAXS
O
Output terminal of TMAX detect signal (Not used (Open))
74
TMAX
O
Output terminal of TMAX detect signal
75
LPFN
I
Reverse input terminal of AMP (PLL-LPF)
76
LPFo
O
Output terminal of AMP (PLL-LPF)
77
PVREF
—
1.65V REF power terminal (Only PLL)
78
VCoF
O
VCO filter output terminal
79
PVSS3
—
Ground terminal (PLL 3.3V)
80
SLCo
O
EFM slice level output terminal
81
RFi
I
RF signal input terminal
82
RFRPi
I
RF ripple signal input terminal
83
RFEQo
O
RF equalizer output terminal
84
VRo
O
1.65V REF voltage output terminal
85
RESiN
O
REF resister terminal (22k/0.01u)
86
VMDiR
—
REF voltage of APC circuit output terminal
87
TESTR
O
LPF terminal (RFEQO offset correct)
88
AGCi
I
RF signal adjustment AMP input terminal
89
RFo
O
RF signal AMP output terminal
90
RVDD3
—
3.3V Power supply terminal (RF AMP)
91
LDo
O
Laser diode AMP output terminal
92
MDi
I
Monitor photo diode AMP input terminal
93
RVSS3
—
Ground terminal (RF AMP 3.3V)
94
FNi2(C)
I
Main beam input terminal (Connect to pin diode C)
95
FNi1(A)
I
Main beam input terminal (Connect to pin diodeA)
96
FPi2(D)
I
Main beam input terminal (Connect to pin diode D)
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