Read Sony CMT-EX1 / HCD-EX1 Service Manual online
33
• Abbreviation
EFM : Eight to Fourteen Modulation
PLL : Phase Locked Loop
PLL : Phase Locked Loop
Pin No.
Pin Name
I/O
Function
TE
CE
RFDC
ADIO
AVSS0
IGEN
AVDD0
ASYO
ASYI
RFAC
AVSS1
CLTV
FILO
FILI
PCO
AVDD1
BIAS
VCTL
V16M
VPCO
DVDD2
ASYE
MD2
DOUT
LRCK
PCMD
BCLK
EMPH
XTSL
DVSS2
XTAI
XTAO
SOUT
SOCK
XOLT
SQSO
SQCK
SCSY
SBSO
EXCK
41
42
43
44
45
46
47
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
I
I
I
O
–
I
–
O
I
I
–
I
O
I
O
–
I
I
I/O
O
–
I
I
O
O
O
O
O
I
–
I
O
O
O
O
O
I
I
O
I
Tracking error signal input
Center servo analog input
RF signal input
Test pin (Not used)
Analog ground
Stabilized current input for operational amplifiers
Analog power supply
EFM full swing output
Asymmetry comparate voltage input
EFM signal input
Analog ground
Control voltage input for master VCO1
Filter output for master PLL
Filter input for master PLL
Charge-pump output for master PLL
Analog power supply
Asymmetry circuit constant current input
VCO2 control voltage input for wide band EFM PLL (Connected to VDD)
VCO2 oscillator input/output for wide band EFM PLL (Not used)
Charge-pump output for wide band EFM PLL (Not used)
Digital power supply
Asymmetry circuit ON/OFF input
“L” OFF, “H” : ON (Connected to VDD)
Digital-out ON/OFF control input (Connected to VDD)
Digital-out output pin
D/A interface LR clock output (ƒ = Fs)
D/A interface serial data output
D/A interface bit clock output
Playback disc output in emphasis mode (Not used)
X'tal selection input (Connected to ground)
Digital ground
X'tal oscillator circuit input
X'tal oscillator circuit output (Not used)
Serial data output in servo block (Not used)
Serial data read clock output in servo block (Not used)
Serial data latch output in servo block (Not used)
Sub-Q 80-bit and PCM peak level data output (CD text data output)
Clock input for SQSO read-out
Connected to ground
Sub-P through Sub-W serial output (Not used)
Clock input for SBSO read-out (Connected to ground)
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