Sony HCD-EC70 Service Manual page 42

HCD-EC70
Pin No. Pin Name
47 IOVDD1
48 AVDD0
49 AVSS0
50 E
51 F
52 TEI
53 TEO
54 FEI
55 FEO
56 VC
57 A
58 B
59 C
60 D
61 AVDD4
62 RFDCO
63 PDSENS
64 AC_SUM
65 EQ_IN
66 LD
67 PD
68 RFC
69 AVSS4
70 RFACO
71 RFACI
72 AVDD3
73 BIAS
74 ASYI
75 ASYO
76 VPCO
77 VCTL
78 AVSS3
79 CLTV
80 FILO
81 FILI
82 PCO
83 SVSS
84 SVDD
85 SSTB-MP3
86 VDD
87 VSS
88 TEST1
89 DATA
90 CLK2
91 SVSS
92 SVDD
93 JTAGTCK
94 JTAGTDI
42
I/O
— Power supply terminal (+3.3V)
— Power supply terminal (+3.3V)
— Ground terminal
I E signal input from the optical pick-up block
I F signal input from the optical pick-up block
I Tracking error signal input terminal
O Tracking error signal output terminal
I Focus error signal input terminal
O Focus error signal output terminal
O Middle point voltage output terminal
I A signal input from the optical pick-up block
I B signal input from the optical pick-up block
I C signal input from the optical pick-up block
I D signal input from the optical pick-up block
— Power supply terminal (+3.3V)
O RFDC signal output (Not used)
I Reference voltage pin (Connected to ground)
O RFAC summing amplifier signal output terminal
I RF equalizer circuit input terminal
Laser diode on/off control signal output to the automatic power control circuit
O
"L": laser off, "H": laser on
I Light amount monitor input from the optical pick-up block laser diode
I Equalizer cut off frequency adjustment terminal
— Ground terminal
O EFM signal output terminal
I EFM signal input terminal
— Power supply terminal (+3.3V)
I Asymmetry circuit constant current input terminal
I Playback EFM asymmetry comparator voltage input terminal
O Playback EFM full-swing output terminal
O Charge pump output terminal for broad-band EFM PLL (Not used)
I VCO2 control voltage input terminal for broad-band EFM PLL
— Ground terminal
I VCO1 control voltage input terminal for multiplier
O Filter output terminal for master PLL
I Filter input terminal for master PLL
O Charge pump output terminal for master PLL
— Ground terminal
— Power supply terminal (+1.8V)
I MP3 standby control signal input terminal "L": standby (Connected to ground)
— Power supply terminal (+1.8V)
— Ground terminal
I Test terminal (Connected to ground)
I CD serial data input from the system controller
I MP3 serial data transfer clock signal input from the system controller
— Ground terminal
— Power supply terminal (+1.8V)
— Connected to ground
— Connected to ground
Description