Sony HCD-NEZ30 Service Manual - Page 32

Pin No., Pin Name, Description

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HCD-NEZ30 Pin No. 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 Pin Name AVDD0 AVSS0 E F TEI TEO FEI FEO VC A B C D AVDD4 RFDCO PDSENS AC_SUM EQ_IN LD PD RFC AVSS4 RFACO RFACI AVDD3 BIAS ASYI ASYO VPCO VCTL AVSS3 CLTV FILO FILI PCO SVSS SVDD SSTB-MP3 VDD VSS TEST1 DATA CLK2 SVSS SVDD JTAGTCK JTAGTDI JTAGTDO JTAGTMS I/O Description - 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 Not used I Not used O RFAC summing amplifier signal output terminal I RF equalizer circuit input terminal O Laser diode on/off control signal output to the automatic power control circuit "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 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 on/off control signal input terminal "L": standby Not used - Power supply terminal (+1.8V) - Ground terminal I Test terminal Normally: fixed at "L" 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 (+2.5V) - Not used - Not used - Not used - Not used 32

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32
HCD-NEZ30
Pin No.
Pin Name
I/O
Description
48
AVDD0
-
Power supply terminal (+3.3V)
49
AVSS0
-
Ground terminal
50
E
I
E signal input from the optical pick-up block
51
F
I
F signal input from the optical pick-up block
52
TEI
I
Tracking error signal input terminal
53
TEO
O
Tracking error signal output terminal
54
FEI
I
Focus error signal input terminal
55
FEO
O
Focus error signal output terminal
56
VC
O
Middle point voltage output terminal
57
A
I
A signal input from the optical pick-up block
58
B
I
B signal input from the optical pick-up block
59
C
I
C signal input from the optical pick-up block
60
D
I
D signal input from the optical pick-up block
61
AVDD4
-
Power supply terminal (+3.3V)
62
RFDCO
O
Not used
63
PDSENS
I
Not used
64
AC_SUM
O
RFAC summing amplifier signal output terminal
65
EQ_IN
I
RF equalizer circuit input terminal
66
LD
O
Laser diode on/off control signal output to the automatic power control circuit
"L": laser off, "H": laser on
67
PD
I
Light amount monitor input from the optical pick-up block laser diode
68
RFC
I
Equalizer cut off frequency adjustment terminal
69
AVSS4
-
Ground terminal
70
RFACO
O
EFM signal output terminal
71
RFACI
I
EFM signal input terminal
72
AVDD3
-
Power supply terminal (+3.3V)
73
BIAS
I
Asymmetry circuit constant current input terminal
74
ASYI
I
Playback EFM asymmetry comparator voltage input terminal
75
ASYO
O
Playback EFM full-swing output terminal
76
VPCO
O
Charge pump output terminal for broad-band EFM PLL
77
VCTL
I
VCO2 control voltage input terminal for broad-band EFM PLL
78
AVSS3
-
Ground terminal
79
CLTV
I
VCO1 control voltage input terminal for multiplier
80
FILO
O
Filter output terminal for master PLL
81
FILI
I
Filter input terminal for master PLL
82
PCO
O
Charge pump output terminal for master PLL
83
SVSS
-
Ground terminal
84
SVDD
-
Power supply terminal (+1.8V)
85
SSTB-MP3
I
MP3 standby on/off control signal input terminal
"L": standby
Not used
86
VDD
-
Power supply terminal (+1.8V)
87
VSS
-
Ground terminal
88
TEST1
I
Test terminal
Normally: fixed at "L"
89
DATA
I
CD serial data input from the system controller
90
CLK2
I
MP3 serial data transfer clock signal input from the system controller
91
SVSS
-
Ground terminal
92
SVDD
-
Power supply terminal (+2.5V)
93
JTAGTCK
-
Not used
94
JTAGTDI
-
Not used
95
JTAGTDO
-
Not used
96
JTAGTMS
-
Not used