Service Positions; Requirement Patch Cords; Service Position <Vhs Side; Service Position <Dv Foil Side - JVC SR-VS30E Service Manual

1.8 SERVICE POSITIONS

The servicing locations for use in troubleshooting or servic-
ing of the set are provided separately for the VHS and DV.
I SERVICE POSITIONS <VHS SIDE>
II SERVICE POSITIONS <DV FOIL SIDE>
III SERVICE POSITIONS <DV COMPONENT SIDE>

1.8.1 Requirement PATCH CORDS

The following PATCH CORDS is required.
Board to Board
1 PTU94022-10
2 PTU94022-20
3 YTU94074-15
Table 1-8-1
1.8.2 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.
< Installation >
(1) Stand up the Bottom chassis assembly so that the DV/
Regulator side is in the lower position.
Note: • Take care to the fall of the Fan.
(2) Connect FPCs and wires accordingly in Fig. 1-8-1.
Point: • Take care that the FPCs and wires are not
subjected to stress in this positioning.
(3) Connect the PATCH CORDS to the two FPCs of the Front
panel assembly, then connect the CORDS to the
CN7510/CN3011.
For the PATCH CORD is required, see Table 1-8-1.
CN5322
CN5321
CN2601
CN701
CN7508
CN7509
CN3011
CN3014
CN7510
Main board assembly
Fig. 1-8-1
1-10
Wire Used
QUQ212-1040CG I
QUQ112-2040CG I
QUQ105-1540AA III
CN1503
CN3701
CN3501
1
2
CN7191
CN7001
Front panel assembly
1.8.3 Service position <DV FOIL SIDE>
<Removal>
(1) Remove the top cover and bracket.
(2) Remove the front panel assembly.
(3) Remove the Base(DV) together with DV Mechanism as-
sembly and DV Main board assembly.
Note:
• Take care not to damage the parts during operating.
< Installation >
(1) Place an insulation sheet on the SW/Reg board assem-
bly.
(2) Place a DV section(Base(DV) with DV Mechanism as-
sembly and DV Main board assembly) on the insulation
sheet.(refer to Fig. 1-8-2)
Note:
• Confirm that FPCs and wires are not unconnected from
the connectors.
DV Mechanism
assembly
Insulation Sheet
DV Main board
assembly
CN1502
CN3501
Base(DV)
CN3701
CN1503
Front panel assembly
Fig. 1-8-2
CN2601
CN701
CN3014
CN3011
CN7510
CN7001 CN7191