Philips VR550 - Signal Name Abbreviations

1-6-1 HG470SNA
SIGNAL NAME ABBREVIATIONS
Signal Name Function
16P SCART 16Pin Control Signal
8POUT-1
SCART 1 8Pin Output Control
Signal
8POUT-2
SCART 2 8Pin Output Control
Signal
A-COM Audio Head Common
A-IN Audio Signal Input
A-MODE Hi-Fi Tape Detection Signal
A-MUTE-H
Audio Mute Control Signal (Mute
= “H”)
A-OUT Audio Signal Output
A-PB/REC
Normal Audio Play Back/Record
Signal
AE-H Audio Erase Head
AFC
Automatic Frequency Control
Signal
AGC IF AGC Comparator Signal
AL+12V
Always +12V with AC Plug
Connected
AL+12V/+20.5V
Always +12V/+20.5V with AC
Plug Connected
AL+15V
Always +15V with AC Plug
Connected
AL+44V
Always +9V with AC Plug
Connected
AL+5V
Always +5V with AC Plug
Connected
AL+9V
Always +9V with AC Plug
Connected
AMPC CTL AMP Connected Terminal
AMPVcc AMPVcc
AMPVREF IN V-Ref for CTL AMP
AMPVREF OUT V-Ref for CTL AMP
AVcc
A/D Converter Power Input/
Standard Voltage Input
C-CONT Capstan Motor Control Signal
C-F/R
Capstan Motor FWD/REV
Control Signal (FWD=”L”/
REV=”H”)
C-FG
Capstan Motor Rotation
Detection Pulse
C-POW-SW Capstan Power Switching Pulse
C-ROTA
Color Phase Rotary Changeover
SIgnal
C-SYNC Composite Synchronized Pulse
CLKSEL Clock Select (GND)
CTL (+)
Playback/Record Control Signal
(+)
CTL (-)
Playback/Record Control Signal
(-)
CTLAMPout To Monitor for CTL AMP Output
D-CONT Drum Motor Control Signal
D-PFG Drum Motor Pulse Generator
D-REC-H Delayed Record Signal
D-V-SYNC Dummy V-sync Output
DRV-CLK
LED Clock Driver IC Control
Clock
DRV-DATA
LED Clock Driver IC Control
Data
DRV-STB
LED Clock Driver IC Chip Select
Signal
END-S Tape End Position Detect Signal
FE-H Full Erase Head
FF/REW-L
CTL Frequency Characteristics
Switching Signal (FF/REW=”L”)
FSC-IN
[4.43MHz]
4.43MHz Clock Input
FTV-IN
Comparator Input of Video
Signal for Follow TV
H-A-COMP Head Amp Comparator Signal
H-A-SW
Video Head Amp Switching
Pulse
Hi-Fi-A Hi-Fi Audio Head
Hi-Fi-COM Hi-Fi Audio Head Common
Hi-Fi-H-SW
Hi-Fi Audio Head Switching
Pulse
HLF LPF Connected Terminal (Slicer)
IIC-BUS SCL
I
2
C BUS Control Clock
IIC-BUS SDA
I
2
C BUS Control Data
JK1-8P-OUT
SCART 8Pin Output Control
Signal
KEY-1 Key Scan Input Signal 1
KEY-2 Key Scan Input Signal 2
LD-SW
Deck Mode Position Detector
Signal
LINE-MUTE Audio Mute Control Signal
LM-FWD/REV Loading Motor Control Signal
LP LP
Signal Name Function