JVC MX-GA9V Service Manual page 28

3.4.2 Reassembling the playback / recording & eraser head
(See Fig. 4 to Fig. 6)
(1) Keep the direction lever of head mount assembly to left
side (head direction is forward direction).
(2) Fix the head mount assembly boss O', P', Q', U' and V' to
mechanism sub assembly hole P, V and ditch O, U and Q
(See Fig. 4 and Fig. 5).
(3) Fix the reversing azimuth screw.
(4) Attaching the spring a from back side of playback /
recording & eraser head.
(5) Attaching the flexible board to the chassis base.
1-28 (No.MB011)
U'
Head mount assembly
Fig.4
O
P
Q
Fig.5
R/P & E head
or PB head
Spring a
Flexible
board
A:CN301
FPC holder B:CN302
Fig.6
O'
P'
V'
Direction
Q'
lever
Head mount assembly
Direction
cover
U
Reverse
azimuth screw
Head mount
Head amp. & mechanism
control board