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>
ALWAYS 37v
>
ALWAYS 5v
—_____________»> Sw) 12v
uae
>
ALWAYS 12V
TN-A
LT
$$
SW
Sv
SHORT TEST
INPUT SEL A Ir ap-a
AD REC H
A MUTE
MC
PinirPin2
a
V LOCK
P
>
RF Sw P
TO VD-A
FSC
TO TM-2 CN721
B2
82-15752/PR1-EXxSY5
24
25
26
2 7
2 8
SERVO CIRCUIT WAVEFORMS
(1C351:XLU2899 Series)
TEST LOCATION
[WAVEFORM & MODE/LEVEL|
TEST LOCATION
|WAVEFORM & MODE/LEVEL
Pin 40
aLO¥ i
¢
Pin 15
REE >
ft
5.0V
5.0V
(H. A. SWITCHING)
(CTL
PULSE)
>_>}
20msec
20msec
24msec
l6msec
PB
-»{
850usec
{
5. OV
Pin 42
Pin 15
(CTL
PULSE)
8. 66KHz
——|
40msec
Pin 41, 44,1
Pin 21
(PWM)
FLL
(CTL HEAD-)
69. 2TKHz
24msec
16msec
Pin 3
(FSC
INPUT)
Pin 22
(CTL
HEAD+)
Pin 5
(ROTARY)
Pin 26
(CTL AMP QUT)
5. OV
+
———_>}—___ |
20msec
20msec
40msec
Pin 28
(C-FG
INPUT)
1. 32msec
Pin 9
(RF SW PULSE)
Pin 29
(D-FG
| NPUT)
j
|
fs: ov
be}
20msec
20msec
1. 33msec
Pin 10
Be
Pin 30
(AF SW PULSE)
S71
(D-PG INPUT)
vee
Coe
eae
40msec
Pin 11
Bina
SLOW PB
(COMPOSITE
(ENV. SW INPUT)
J
L_ feo
SYNC INPUT)
peo te a
20msec
20msec
Pin 14
(C-FG
PULSE)
|
756. SHz
WF-S-PP
29
30
31
32
33
34
35
4-18
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