Philips VR540/39 Service Manual page 40

Pin IN/ Signal
Mark
No. OUT Name
78 OUT C-F/R
79 IN S-REEL
T-REEL Take Up Reel
80 IN
LM-
81 OUT
FWD/
REV
82 - N.U.
A-
83 OUT MUTE-
H
OUT FF/
84
REW-L
85 IN LINK-IN
P-
86 IN DOWN-
L
87 IN C-FG
88 -
N.U.
89 -
N.U.
90 IN D-PG
AMPVR
91 -
EF OUT
AMPVR
92 -
EF
IN
93 -
P80/C
94 OUT CTL (-)
95 OUT CTL (+)
96 - AMPC
CTLAM
97 -
Pout
AMPVc
98 -
c
Active
Function
Level
Capstan Motor
FWD/REV
Control Signal H/L
(FWD="L"/
REV="H")
Supply Reel
PULSE
Rotation Signal
PULSE
Rotation Signal
H/L/
Loading Motor
Control Signal
Hi-z
Not Used -
Audio Mute
Control
H
Signal (Mute =
"H")
CTL Amp Gain
Switching Signal L
(FF/REW="L")
Easy Link Data
Z/L
Input
Power Voltage
Down Detector L
Signal
Capstan Motor
Rotation
PULSE
Detection
Pulse
-
Not Used
-
Not Used
Drum Motor
PULSE
Pulse Generator
V-Ref for CTL
-
AMP
V-Ref for CTL
-
AMP
-
P80/C Terminal
Playback/
H/L
Record Control
Signal (-)
Playback/
H/L
Record Control
Signal (+)
CTL AMP
Connected -
Terminal
To Monitor for
CTL AMP PULSE
Output
-
AMPVcc
Pin IN/
Mark
No. OUT
99 -
100 IN
Notes:
Abbreviation for Active Level:
PWM -----Pulse Wide Modulation
A/D--------Analog - Digital Converter
1-14-5
Signal
Function
Name
A/D Converter
Power Input/
AVcc
Standard
Voltage Input
IF AGC Control
AGC
Signal
Active
Level
-
H/L/
Hi-z
HE473PIN