Mechanism Timing Chart - JVC KV-V8 Service Manual

2.3.5 Control plate
(1) Attach the control plate by aligning the 2 alignment holes
on the control plate with the alignment holes on the main
deck assembly as well as the alignment holes on the take
up lever. As the take up lever is pulled by a tension spring,
use a pair of tweezers or similar too to align the holes.
(2) After attaching the control plate, lock it with the slit washer
and control bracket.

2.4 Mechanism timing chart

MODE
C-LOAD C-INS
0
PARTS
SLIDE PLATE 0 mm 4 mm
CONTROL CAM 0° 30.6°
L S A
L A B
L S C
A
ROTARY
B
ENCODER
C
POLE BASE ASSY
PINCH ROLLER CAM
(UP/DOWN)
PINCH ROLLER
(CAPSTAN)
TENSION ARM ASSY
TENSION ARM
(SPRING)
SUP
IDLER CENTER
TU
IDLER
(UP/DOWN)
GUIDE ARM
MAIN BRAKE ASSY
(SUP)
MAIN BRAKE ASSY
(TU)
SUB BRAKE ASSY
(SUP)
SUB BRAKE ASSY
(TU)
CAPSTAN BRAKE
C. HOUSING GEAR
TU LEVER
MECHANISM
ASSEMBLY EJECT
MODE
W-FWD
LOADING
W
21 mm
160.4°
NOT USED
Table 2-4a
Holes align with
holes in deck
Hole of take up lever align
with hole in deck
FWD S.FWD S.REV REV
F R
24 mm 26 mm 32 mm 34 mm 37.5 mm
183.3° 198.6° 244.5° 259.7°
PLAY
S. REW
REC
SLOW (FWD) SLOW (REV)
BACK
REC. P
STILL (FWD) STILL (REV)
SPACE
STOP
F. FF
Control braket
Control plate
Slit washer (red)
Fig. 2-3-5a
STOP FF/REW
S FF
43 mm
286.5° 328.5°
UP
DOWN
PRESS
FREE
LOAD END
UN LOAD END
ON
W ON
PRELOAD
OFF
SUP
TU
UP
DOWN
ON
OFF
ON
OFF
ON
CONTACT
OFF
ON
CONTACT
OFF
ON
OFF
ON
OFF
STOP
FF/REW
MECHA
SERVICE
2-11