Philips VR550 Service Manual page 15

Signal Name
MOD-A Modulator Audio Output Signal
N-A-PB Normal Audio Playback
N-A-REC Normal Audio Recording
OSCin Clock Input for letter size
OSCout Clock Output for letter size
OSD-V-IN OSD Video Signal Input
OSD-V-OUT OSD Video Signal Output
OSDVcc OSDVcc
OSDVss OSDVss
Power Voltage Down Detector
P-DOWN-L
Signal
P-ON+15V +15V at Power-On Signal
P-ON+44V +44V at Power-On Signal
P-ON+5V +5V at Power-On Signal
P-ON-H Power On Signal at High
P80/C P80/C Terminal
Video Head Switching Pulse
PG-DELAY
Signal Adjusted Voltage
P-ON Power Detection Input
POW-SAF
Signal
Recording Safety SW Detect
REC-SAF-SW (With Record tab="L"/With out
Record tab="H")
REMOCON-IN Remote Control Sensor
RESET System Reset Signal (Reset="L")
RESET+5V +5V at System Reset Signal
RF-SW Video Head Switching Pulse
RGB- SCART 2 RGB Through Control
THROUGH Signal
S-REEL Supply Reel Rotation Signal
Input Signal from Pin 8 of
SC2-IN
SCART2
SECAM-H SECAM Mode at High
Tuner Audio Intermediate
SIF
Frequency Signal
Tape Start Position Detector
ST-S
Signal
T-REEL Take Up Reel Rotation Signal
TIMER+5V +5V at Timer
TU-AUDIO Tuner Audio Input Signal
TU-VIDEO Tuner Video Input Signal
V(L) Video L Head
V(R) Video R Head
V-COM Video Head Common
Function
1-6-2
Signal Name
Video Envelope Comparator
V-ENV
Signal
V-IN Video Signal Input
V-OUT Video Signal Output
Vcc Vcc
VIDEO Video Signal
Vss Vss(GND)
X-IN Main Clock Input
X-OUT Main Clock Input
XC-IN Sub Clock
XC-OUT Sub Clock
Function
HG470SNA