Read Sony BMZ-K5D / CX-BK5 Service Manual online
99
CX-BK5
Pin No.
Pin Name
I/O
Description
46
IGEN
I
Stabilized current input for operational amplifiers
47
AVDD0
—
Power supply terminal (+3.3V) (analog system)
48
ASYO
O
EFM full-swing output terminal
49
ASYI
I
Asymmetry comparator voltage input terminal
50
RFAC
I
EFM signal input from the CD/DVD RF amplifier
51
AVSS1
—
Ground terminal (analog system)
52
CLTV
I
Internal VCO control voltage input terminal
53
FILO
O
Filter output for master PLL
54
FILI
I
Filter input for master PLL
55
PCO
O
Charge pump output for master PLL
56
AVDD1
—
Power supply terminal (+3.3V) (analog system)
57
BIAS
I
Asymmetry circuit constant current input terminal
58
VCTL
I
VCO control voltage input terminal for the wideband EFM PLL Not used
59
V16M
O
VCO oscillation output terminal for the wideband EFM PLL Not used
60
VPCO
O
Charge pump output terminal for the wideband EFM PLL Not used
61
DVDD2
—
Power supply terminal (+3.3V) (digital system)
62
ASYE
I
Asymmetry circuit on/off control signal input terminal
“L”: off, “H”: on Fixed at “H” in this set
“L”: off, “H”: on Fixed at “H” in this set
63
MD2
I
Digital out on/off control signal input from the mechanism controller
“L”: digital out off, “H”: digital out on
“L”: digital out off, “H”: digital out on
64
DOUT
O
Digital audio signal output terminal
65
LRCK
O
L/R sampling clock signal (44.1 kHz) output to the DVD decoder
66
PCMD
O
Serial data output to the DVD decoder
67
BCLK
O
Bit clock signal (2.8224 MHz) output to the DVD decoder
68
EMPH
O
“L” is output when playback disc is emphasis off
“H” is output when playback disc is emphasis on Not used
“H” is output when playback disc is emphasis on Not used
69
XTSL
I
System clock frequency selection signal input from the mechanism controller
“L”: 16.9344 MHz, “H”: 33.8688MHz
“L”: 16.9344 MHz, “H”: 33.8688MHz
70
DVSS2
—
Ground terminal (digital system)
71
XTAI
I
System clock (33.8688 MHz) input from the clock generator
72
XTAO
O
System clock (33.8688 MHz) output terminal Not used
73
SOUT
O
Serial data output terminal Not used
74
SOCK
O
Serial data reading clock signal output terminal Not used
75
XOLT
O
Serial data latch pulse signal output terminal Not used
76
SQSO
O
Subcode Q data output to the mechanism controller
77
SQCK
I
Subcode Q data reading clock signal input from the mechanism controller
78
SCSY
I
Input terminal for resynchronism of guard subcode sync (S0+S1) Not used
79
SBSO
O
Subcode serial data output to the DVD decoder
80
EXCK
I
Subcode serial data reading clock signal input to the DVD decoder
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