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1.8 SERVICE POSITIONS
The servicing locations for use in troubleshooting or servic-
ing of the set are provided separately for the VHS and HDD.
I
SERVICE POSITIONS <VHS SIDE>
II
SERVICE POSITIONS <HDD SIDE>
1.8.1 Service position <VHS SIDE>
<Removal>
(1) Remove the top cover and bracket.
(2) Remove the front panel assembly.
(3) Remove the MAIN board assembly together with the
mechanism assembly.
Fig. No.
Screw
(Page)
(1) Top cover, COM1
Bracket
(1-3)
(No.1-9)
(2) Front
COM2
panel
(1-3)
assembly
(3) Rear
COM6
cover
(1-3)
(No.28-37)
(4) Main
V2, V3
board
(1-6)
(No.4-10)
assembly
(etc.)
Table 1-8-1
PATCH CORD
PTU94017B
Hook, etc. Connector Note
9
2 + 1
0
(L1,2)
0
8
2
(L3)
(CN7507/
CN3011)
10
0
1
(CN5325)
7
0
5
(CN5321/
CN5322/
CN3014/
CN703/
CN2601)
Main board assembly
CN7507
A
1
Front panel assembly
Fig. 1-8-1
Service position <VHS side>
< Installation >
(1) Stand up the bottom chassis assembly so that the Regu-
lator side is in the lower position.
(2) Connect the PATCH CORD to the three FPCs then con-
nect CN3014, CN7508 and CN7509.
(3) By connecting a total of two FPCs and wires (CN703/
CN2601), carry out the installation so that the Main board
assembly comes in the upper position.
Point: • Take care that the FPCs and wires are not
subjected to stress in this positioning.
(4) Connect the PATCH CORDS to the two FPCs of the front
panel assembly, then connect the CORDS to the
CN7507/CN3011.
For the PATCH CORD is required, see Table 1-8-2.
Board to Board
—
A
PTU94022-10
B
PTU94022-18
—
C
PTU94022-13
D
PTU94022-15
—
E
YTU94072-06
—
CN7508
CN7509
CN3011
CN703
CN3014
6
B
E
2
7
WIRE
QUQ112-1040CG
QUQ112-1840CG
QUQ212-1340CG
QUQ212-1540CG
QUQ210-0640CG
Table 1-8-2
CN2601
D
C
4
CN5322
3
5
CN5321
CN8601
CN8002
CN8801
1-7
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