JVC HM-DH40000K Service Manual page 32

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Mechanism Timing Chart
EJECT
Mechanism mode
END
Control plate mark
E
HIGH
C CH
LOW
HIGH
Rotary encoder
B CH
LOW
HIGH
A CH
LOW
Control cam angle
0
Rotary encoder
0
angle
ON
HALF PRESS
Pole base
CONTACT
OFF
ON PLAY
ON REV
Pinch roller
CONTACT
OFF
(C-INS)
ON
Guide arm
OFF
ON
HALF REV
Tension arm
HALF FF/REW
OFF
ON
CONTACT
Main brake S
OFF
ON
CONTACT
Main brake T
OFF
ON
Sub brake S
OFF
ON
Sub brake T
OFF
ON
Capstan brake
OFF
IN FF/REW
Direct gear
OUT PLAY
OFF
Change lever 2
ON
SUPPLY
Idler position
CENTER
TAKE-UP
READY
Take-up lever
RESET
ON
Rec safety switch
OFF
Operation mode
1-30 (No.82933)
CASS-
CASS-INS
UP
U
CI
69
136
6
6
20
42.
52.
FF/REW
FR
230
6
4
8
8
114.
150.
167.
178.
(drum at stop)
POWER OFF
(cassette loaded)
STOP
REV
SLOW/STILL
ST
R
7
7
264.
318.
2
2
2
2
207.
218.
240.
251.
293.
Timer REC
Backspace
Slow FOR
standby
Search REW
STOP
Slow REW
PLAY
SL
P
42
370
412.
2
2
4
304.
320.
335
REC pause
REC
Search FF
STOP
(drum in motion)

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