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44
HCD-GS100
Pin No.
Pin Name
I/O
Description
43
RFDC
I
RF signal input from the CXA2581N (IC103)
44
ADIO
O
Monitor output of the A/D converter input signal Not used (open)
45
AVSS0
—
Ground terminal (digital system)
46
IGEN
I
Stabilized current input for operational amplifiers
47
AVDD0
—
Power supply terminal (+5V) (digital system)
48
ASYO
O
Playback EFM full-swing output terminal
49
ASYI
I
Playback EFM asymmetry comparator voltage input terminal
50
BIAS
I
Playback EFM asymmetry circuit constant current input terminal
51
RFAC
I
EFM signal input from the CXA2581N (IC103)
52
AVSS3
—
Ground terminal (digital system)
53
CLTV
I
Internal VCO control voltage input of the playback master PLL
54
FILO
O
Filter output for master clock of the playback master PLL
55
FILI
I
Filter input for master clock of the playback master PLL
56
PCO
O
Phase comparison output for master clock of the playback EFM master PLL
57
AVDD3
—
Power supply terminal (+5V) (digital system)
58
VSS
—
Ground terminal (digital system)
59
VDD
—
Power supply terminal (+5V) (digital system)
60
DOUT
O
Digital audio signal output to the DIGITAL OUT (CD)
61
LRCK
O
L/R sampling clock signal (44.1 kHz) output terminal Not used (open)
62
PCMD
O
D/A interface serial data output terminal Not used (open)
63
BCK
O
Bit clock signal (2.8224 MHz) output terminal Not used (open)
64
EMPH
O
De-emphasis control signal output terminal Not used (open)
65
XVDD
—
Power supply terminal (+5V) (crystal oscillator system)
66
XTAI
I
System clock input terminal (16.9344 MHz)
67
XTAO
O
System clock output terminal (16.9344 MHz)
68
XVSS
—
Ground terminal (crystal oscillator system)
69
AVDD1
—
Power supply terminal (+5V) (analog system)
70
AOUT1
O
L-ch analog audio signal output terminal
71
AIN1
I
L-ch operational amplifiers input terminal
72
LOUT1
O
L-ch line output terminal
73
AVSS1
—
Ground terminal (analog system)
74
AVSS2
—
Ground terminal (analog system)
75
LOUT2
O
R-ch line output terminal
76
AIN2
I
R-ch operational amplifiers input terminal
77
AOUT2
O
R-ch analog audio signal output terminal
78
AVDD2
—
Power supply terminal (+5V) (analog system)
79
RMUT
O
R-ch line muting on/off control signal output terminal Not used (open)
80
LMUT
O
L-ch line muting on/off control signal output terminal Not used (open)
Summary of Contents for HCD-GS100 - Mini Hi-fi Component System
Page 17: ...17 HCD GS100 3 19 HEADPHONE Board 1 screw BVTP2 6 8 3 HEADPHONE board 2 decoration panel ...
Page 33: ...33 33 HCD GS100 7 8 Schematic Diagram MAIN Section 1 3 See page 42 for IC Block Diagrams ...
Page 35: ...35 35 HCD GS100 7 10 Schematic Diagram MAIN Section 3 3 HEAD REC PLAY ERASE ...
Page 41: ...41 41 HCD GS100 7 16 Schematic Diagram POWER Section ...