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Signal Name Abbreviations - Philips DVP620VR/78 Service Manual

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Table of Contents
Signal Name
Function
-FL
FIP Drive Power Supply
3.58MHz
3.58MHz Clock
A-COM
Audio Head Common
A-IN
Audio Signal Input
Audio Mute Control Signal (Mute =
A-MUTE-H
"H")
A-OUT
Audio Signal Output
Normal Audio Play Back/Record
A-PB/REC
Signal
AE-H
Audio Erase Head
Automatic Frequency Control
AFC
Signal
Low Path Filter Input Signal For
AFCC
AFC
Low Path Filter Output Signal For
AFCLPF
AFC
AFG
GND
Always +12V with AC Plug
AL+12V
Connected
Always +18V with AC Plug
AL+18V
Connected
Always +2.8V with AC Plug
AL+2.8V
Connected
Always +33V with AC Plug
AL+33V
Connected
Always +4.0V with AC Plug
AL+4.0V
Connected
Always +44V with AC Plug
AL+44V
Connected
Always +5V with AC Plug
AL+5V
Connected
Always -30V with AC Plug
AL-30V
Connected
AUDIO+5V
+5V at Audio Signal
AVDD
AVDD
AVss
AVSS
C-CONT
Capstan Motor Control Signal
Capstan Motor FWD/REV Control
C-F/R
Signal (FWD="L"/REV="H")
Capstan Motor Rotation Detection
C-FG
Pulse
Color Phase Rotary Changeover
C-ROTA
Signal
C-SYNC
Composite Synchronized Pulse
RF Conv. Output Channel
CONV-SW
Switching Signal 3ch="Hi-z",
4ch="L"

SIGNAL NAME ABBREVIATIONS

Signal Name
CTL
CTL (+)
CTL (-)
CTLA
D-CONT
D-PFG
D-REC-H
D-V- SYNC
DISPLAY-CLK
DISPLAY-DATA VFD Driver IC Control Data
DISPLAY-ENA
DVD A
DVD-A-MUTE
DVD-H-IND
DVD-L-IND
DVD-OPEN/
CLOSE
DVD-P-
ON+12V
DVD-P-
ON+3.3V
DVD-P-ON+5V +5V at DVD Power-On Signal
DVD-PLAY
DVD-POW-
MONITOR
DVD-POWER
DVD-STOP
DVD-VIDEO
END-S
EV+1.2V
EV+11V
EV+3.3V
F1
F2
FE-H
FE-H GND
FP-CLK
FP-DIN
FP-DOUT
FP-STB
H-A-COMP
H-A-SW
Hi-Fi-A
Hi-Fi-COM
1-7-1
Function
Amp. Output Control Signal for
Test Point
Playback/Record Control Signal
(+)
Playback/Record Control Signal (-)
CTL Amp. AC GND
Drum Motor Control Signal
Drum PG/FG Input Signal
Delayed Record Signal
Dummy V-sync Output
VFD Driver IC Control Clock
VFD Driver IC Chip Select Signal
DVD Audio Signal
DVD Audio Mute Control Signal
DVD Mode LED Signal Output
VCR Mode LED Signal Output
DVD Open/Close at High
+12V at DVD Power-On Signal
+3.3V at DVD Power-On Signal
DVD Play at High
DVD Power Monitor Signal (P-
off="L", P-on="H")
DVD Power Control Signal
DVD Stop at High
DVD Video Control Signal
Tape End Position Detect Signal
+1.2V Power Supply
+11V Power Supply
+3.3V Power Supply
Filament Power Supply 1
Filament Power Supply 2
Full Erase Head
Ground for Full Erase Head
Clock Input
Serial Data Input
Serial Data Output
Serial Interface Strobe
Head Amp Comparator Signal
Video Head Amp Switching Pulse
Hi-Fi Audio Head
Hi-Fi Audio Head Common
H9622SNA

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