Signal Name Abbreviations - Philips VR 530/07 Service Manual

Signal Name
A-MODE Hi-Fi Tape Detection Signal
Audio Mute Control Signal
A-MUTE-H
(Mute = "H")
Normal Audio Play Back/Record
A-PB/REC
Signal
Automatic Frequency Control
AFC
Signal
AGC IF AGC Control Signal
Always +15V/+12V with AC Plug
AL+15V/+12V
Connected
Always +5V with AC Plug
AL+5V
Connected
Always +9V with AC Plug
AL+9V
Connected
AMPC CTL AMP Connected Terminal
AMPVREF V-Ref for CTL AMP
IN
AMPVss AMPVss (GND)
A/D Converter Power Input/
AVcc
Standard Voltage Input
C C Terminal
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
C-POWER-
Capstan Power Switching Pulse
SW
Color Phase Rotary Changeover
C-ROTA
SIgnal
C-SYNC Composite Synchronized Pulse
CLKSEL Clock Select (GND)
Playback/Record Control Signal
CTL (+)
(+)
Playback/Record Control Signal
CTL (-)
(-)
CTLAMPout To Monitor for CTL AMP Output
D-CONT Drum Motor Control Signal
Drum Motor Rotation Detection
D-FG
Pulse
D-PG Drum Motor Pulse Generator
D-REC-H Delayed Record Signal
D-V- SYNC Dummy V-sync Output

SIGNAL NAME ABBREVIATIONS

Function
Signal Name
DAVN-L
DRV-CLK
DRV-DATA
DRV-STB
END-S
FE-H GND
FF/REW-L
FSC-IN
[4.43MHz]
FTV-IN
H-A-COMP
H-A-SW
Hi-Fi-A (L)
Hi-Fi-A (R)
Hi-Fi-COM
Hi-Fi-H-SW
HLF
2
I C BUS- SCL
2
I C BUS- SDA
JK1-8P-OUT-1
JK1-8P-OUT-2 SCART 2 8Pin Output Control
KEY-1
KEY-2
LD-SW
LM-FWD/REV
MOD-A
N-A-PB
N-A-REC
OSC
IN
OSC
OUT
P-DOWN-L
P-ON+44V
P-ON+5V
1-6-1
Function
VPS/PDC Data Receive = "L"
LED Clock Driver IC Control Clock
LED Clock Driver IC Control Data
LED Clock Driver IC Chip Select
Signal
Tape End Position Detect Signal
Ground for Full Erase Head
CTL Amp Gain Switching Signal
(FF/REW="L")
4.43MHz Clock Input
Comparator Input of Video Signal
for Follow TV
Head Amp Coparator Signal
Video Head Amp Switching Pulse
Hi-Fi Audio Head (L)
Hi-Fi Audio Head (R)
Hi-Fi Audio Head Common
HiFi Audio Head Switching Pulse
LPF Connected Terminal (Slicer)
2
I C BUS Control Clock
2
I C BUS Control Data
SCART 1 8Pin Output Control
Signal
Signal
Key Scan Input Signal 1
Key Scan Input Signal 2
Deck Mode Position Detector
Signal
Loading Motor Control Signal
Modulator Audio Output Signal
Normal Audio Playback
Normal Audio Recording
Clock Input for letter size
Clock Output for letter size
Power Voltage Down Detector
Signal
+44V at Power-On Signal
+5V at Power-On Signal
HC460SNA