Yamaha K-1020 Service Manual page 15

ITIMING CHART
M OV E M E N T MOD E
K E Y O P E R AT ION
srop + il,t"".[ilfi Y --o-- p LA y ----o-
M E C H A N I S M ^
M O VE M E N T - T
K z
RE EL R
H I REE L F
AS IS T R
ASIST F
I I REEL
l z REE L 2
T1 : Rever sing due to ass ist motor stop...
About 14
msec
T2 : Play operat ion tim e . . . Ab out 300 ms ec
T3 : Delay of play + STO P . . . About 15 mesc
Ta: Reel mot or running tim e before s hifting ou t of the
previous mode . . . About 50 msec
STOP o---------c-
REW -
M E C H A N I S M
M O V E M E N T
T5 : Operation time of STOP -+ REW. . . About 90 msec
T6 ; Delay before fast forward voltage . . . About 260
msec
Tr : Delay before high speed fast forward voltage . . .
About 300 msec
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K EY O P E RA T ION
G o BI AS
G I RE C MU TE
G : M ON ITOR
G : LIN E MUTE
HI R EEL F
M OV E M EN T
M OD E
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M E CH A N T SM
IM EC H AN I S M
M OV E MEN T IM OV EM E N T
STOP {--l<
R EC/ 6-/+
R EC
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STOP 4-o--PLAY
-
ME C H A N IS M
MO V E ME N T
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P AU S E
ME C H A N I S M
M O V E ME N T
T1 : Monitor mute delay . . . About 25psec
T2 ; Monitor switching mute . . . About 50 msec
T3: Op e r a t io n o f P AU SE -+ PLAY . . . About 150 msec
Ta : R EC mute d el av . . . A bo ut 2 50 mse c
(to wa i t ti l ru nn i ng i s stab il i zed )
Tr : PLAY operation . . . About 300 msec
T6 : Line mute delay . . . About 250 msec
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