Read Sony MCE-SV7 / MHC-SV7AV Service Manual online
33
MCE-SV7
Pin No.
Pin Name
I/O
Description
45
AVSS0
—
Ground terminal (analog system)
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 CXA2581N (IC103)
51
AVSS1
—
Ground terminal (analog system)
52
CLTV
I
Internal VCO control voltage input
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 (fixed at “H”)
59
V16M
O
VCO oscillation output terminal for the wideband EFM PLL Not used (open)
60
VPCO
O
Charge pump output terminal for the wideband EFM PLL Not used (open)
61
DVDD2
—
Power supply terminal (+3.3V) (digital system)
62
ASYE
I
Asymmetry circuit on/off control signal input terminal “L”: off, “H”: on
Not used (fixed at “H”)
Not used (fixed at “H”)
63
MD2
I
Digital out on/off control signal input from terminal Not used (fixed at “H”)
“L”: digital out off, “H”: digital out on
“L”: digital out off, “H”: digital out on
64
DOUT
O
Digital audio signal output to the OPTICAL OUT (IC102)
65
LRCK
O
L/R sampling clock signal (44.1 kHz) output to the CL680T (IC505)
66
PCMD
O
Serial data output to the CL680T (IC505)
67
BCLK
O
Bit clock signal (2.8224 MHz) output to the CL680T (IC505)
68
EMPH
O
“L” is output when playback disc is emphasis off
“H” is output when playback disc is emphasis on Not used (open)
“H” is output when playback disc is emphasis on Not used (open)
69
XTSL
I
System clock frequency setting signal input from the CL680T (IC505)
“L”: 16.9344 MHz, “H”: 33.8688MHz (fixed at “H” in this set)
“L”: 16.9344 MHz, “H”: 33.8688MHz (fixed at “H” in this set)
70
DVSS2
—
Ground terminal (digital system)
71
XTAI
I
System clock input terminal (33.8688 MHz)
72
XTAO
O
System clock output terminal (33.8688 MHz) Not used (open)
73
SOUT
O
Serial data output terminal Not used (open)
74
SOCK
O
Serial data reading clock signal output terminal Not used (open)
75
XOLT
O
Serial data latch pulse signal output terminal Not used (open)
76
SQSO
O
Subcode Q data output to the video CD controller (IC502)
77
SQCK
I
Subcode Q data reading clock signal input from the video CD controller (IC502)
78
SCSY
I
Input terminal for resynchronism of guard subcode sync (S0+S1) Not used (fixed at “L”)
79
SBSO
O
Subcode serial data output terminal Not used (open)
80
EXCK
I
Subcode serial data reading clock signal input terminal Not used (open)
Click on the first or last page to see other MCE-SV7 / MHC-SV7AV service manuals if exist.