DVR-640H-S
110
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No.
Mark
Pin Name
I/O
Pin Function
51
SI2P2/SCK2
SCK2
O
SIO2 communication clock Not used.
52
SI2P3/SCK20
RFTHRU
O
RF through switch of the tuner Control with the main unit setting during standby.
53
PWM1
NC
O
Non connection
54
PWM0
FANCTRL
O
Radiation of heat fan rotating speed control H: Top speed, L: Stop Intermediate speed realizes by PWM
55
VDD2
VDD2
−
Power supply
56
VSS2
GND
−
Ground
57
P00
P_CONT2
O
Power supply control of the main board For controlling 2.5V and 3.3V
58
P01
MUTECTL
O
Mute invalidity control Port to suppress last stage mute
59
P02
EPGEXT
O
Equalizer switch of slicer input video
60
P03
TUON
O
Power supply control of the tuner section There is a case to turn on the power during standby independently.
61
P04
SWVION
O
Power supply control of Japan/North America video system Non connection in Europe and General
62
P05/CKO
P_CONT
O
Power supply control of the whole system
63
P06/T6O
FLPON
O
Power supply control of the FL tube
64
P07/T7O
XP_SAVE
O
Power supply control of Europe video system Set to SWVION on the source.
65
P20/INT4/T1IN/T0LCP/T0HCP/INT6/T0LCP1/SSGI0
STATCHG
I
Multiplex status change detection of MSP D_CTR_I/O_1 of MSP
66
P21/INT4/T1IN/T0LCP/T0HCP J_CLOCK
I
Input audio for Just Clock Pulse input of the tuner audio
67
P22/INT4/T1IN/T0LCP/T0HCP/HCTR
CSYNCIN
I
C-Sync for Auto-Rec
68
P23/INT4/T1IN/T0LCP/T0HCP XCHECKER
I
Unit checker mounting distinction
69
P24/INT5/T1IN/T0LCP/T0HCP/INT7/T0HCP1/SSGI1
MRST
I
Main board power failure detection Edge interrupt
70
P25/INT5/T1IN/T0LCP/T0HCP AVLIN
I
NexTViewLink input line
71
P26/INT5/T1IN/T0LCP/T0HCP X525P
I
525P output signal from the system controller Not used.
72
P27/INT5/T1IN/T0LCP/T0HCP BLANKIN
I
BLANK signal input of the SCART
73
P30/PWM4
NC
O
Non connection
74
P31/PWM5
TU_DCCON
O
DC/DC converter For +32V generation 200kHz, 2(H): PWM output of 1 (L)
75
P32/UTX1
TXD1
O
Transmission for RS-232C terminal
76
P33/URX1
RXD1
I
Reception for RS-232C terminal
77
P34/UTX2
TXD2
O
UART2 transmission Not used.
O
UART2 reception Not used.
O
System controller communication handshake From tuner controller to system controller
−
Power supply
41
PF0
LET/FUNC_ON
O
Letter-box output superimposed signal Function output signal for Europe model
42
PF1
SQU
O
Squeeze output superimposed signal
43
PF2
CONDET
I
Electric discharge detection of capacitor for power supply backup
Readout after cold-start immediately. If it was L, reduce the voltage.
44
PF3
S1
O
S1/S2 switching signal
45
PF4/IRP
IROUT
O
Pulse output for IR blaster
46
PF5
P_SAVE2
O
Power save mode switch of HA118326
47
PF6
PSMUTE
O
Audio mute control of SCART
48
PF7
XAVLTH
O
Through switch of AV.Link communication line
49
SI2P0/SO2
SO2
O
SIO2 transmission Not used.
50
SI2P1/SI2/SB2
SI2
O
SIO2 reception Not used.
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