Sony HCD-GB3 Service Manual page 41

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Pin No. Pin Name
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63 PDSENS
64 AC_SUM
65
66
TE
67
L 13942296513
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85 SSTB-MP3
86
87
88
www
89
90
91
.
92
93 JTAGTCK
94 JTAGTDI
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I/O
IOVDD1 — Power supply terminal (+3.3V)
AVDD0 — Power supply terminal (+3.3V)
AVSS0 — Ground terminal
E I E signal input from the optical pick-up block
F I F signal input from the optical pick-up block
TEI I Tracking error signal input terminal
TEO O Tracking error signal output terminal
FEI I Focus error signal input terminal
FEO O Focus error signal output terminal
VC O Middle point voltage output terminal
A I A signal input from the optical pick-up block
B I B signal input from the optical pick-up block
C I C signal input from the optical pick-up block
D I D signal input from the optical pick-up block
AVDD4 — Power supply terminal (+3.3V)
RFDCO O RFDC signal output (Not used)
I Reference voltage pin (Connected to ground)
O RFAC summing amplifier signal output terminal
EQ_IN I RF equalizer circuit input terminal
Laser diode on/off control signal output to the automatic power control circuit
LD O
"L": laser off, "H": laser on
PD I Light amount monitor input from the optical pick-up block laser diode
RFC I Equalizer cut off frequency adjustment terminal
AVSS4 — Ground terminal
RFACO O EFM signal output terminal
RFACI I EFM signal input terminal
AVDD3 — Power supply terminal (+3.3V)
BIAS I Asymmetry circuit constant current input terminal
ASYI I Playback EFM asymmetry comparator voltage input terminal
ASYO O Playback EFM full-swing output terminal
VPCO O Charge pump output terminal for broad-band EFM PLL (Not used)
VCTL I VCO2 control voltage input terminal for broad-band EFM PLL
AVSS3 — Ground terminal
CLTV I VCO1 control voltage input terminal for multiplier
FILO O Filter output terminal for master PLL
FILI I Filter input terminal for master PLL
PCO O Charge pump output terminal for master PLL
SVSS — Ground terminal
SVDD — Power supply terminal (+1.8V)
I MP3 standby control signal input terminal "L": standby (Connected to ground)
VDD — Power supply terminal (+1.8V)
VSS — Ground terminal
TEST1 I Test terminal (Connected to ground)
DATA I CD serial data input from the system controller
x ao
CLK2 I MP3 serial data transfer clock signal input from the system controller
y
SVSS — Ground terminal
i
SVDD — Power supply terminal (+1.8V)
— Connected to ground
— Connected to ground
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