Read Sony DVP-S7000 (serv.man2) Service Manual online
– 127 –
Pin No.
Signal Name
I/O
Functional Description
41
DRF2
I/O
42
DRF1
I/O
Input/output of RF sample value. 8-bit offset binary.
43
DRF0
I/O
44
VSS
—
Digital ground
45
VSS
—
Analog ground
46
AIN
I
RF analog input (AD converter input)
47
VRH
I
ADC reference voltage (H)
48
VRM
O
ADC reference voltage (Center, for decoupling)
49
VRL
I
ADC reference voltage (L)
50
VDD
—
Analog positive power supply
51
VDD
—
Digital positive power supply
52
AGC
O
Output of AGC gain control signal (ternary-valued PWM)
53
VDD
—
Digital positive power supply
54
VSS
—
Digital ground
55
ADPD
I
ADC power down (fixed to “L” when using built-in ADC)
56
ADTS
I
ADC test pin (normally fixed to “L”)
57
XRST
I
Reset
58
CPDI
I
Input of serial data
59
CPCK
I
Input of serial data sync clock
60
XLT
I
Input of serial data latch
61
ENV
O
Output of envelope detect signal (normally fixed to “H”)
62
LMTO
O
Output of clock limiter status
63
LMTI
I
Input of clock limit
64
EXFC
I
Input of frame frequency input/output select signal.
Input mode at “H”
65
VSS
—
Digital ground
66
NSO
O
Output of no-signal status signal. “H” when no signal is
present at AIN input.
67
NSI
I
PLL mode is forcibly fixed at “H”
68
LPON
I
Normally fixed to “H”. At “L”, input data to built-in D/A
converter becomes “7F”.
69
PLOK
O
Output of PLL sync. “H” when PLL is locked normally.
70
CPDO
O
Output of serial data
71
SOINT
O
Serial data request. “L” active
72
SOEN
I
Serial data enable. “L” active
73
DACK
I
Input of clock for DAC
74
POCK
O
Output of clock for DAC (connected directly to DACK)
75
MNO7
O
76
MNO6
O
PLL monitor output
77
MNO5
O
78
VDD
—
Digital positive power supply
79
VSS
—
Digital ground
Click on the first or last page to see other DVP-S7000 (serv.man2) service manuals if exist.