Service Position <Dv Side - JVC SR-VS20E Service Manual

1.8.2 Service position <DV SIDE>
<Removal>
(1) Remove the top cover and bracket.
(2) Remove the front panel assembly.
(3) Remove the mechanism assembly (DV side) together
with the base (2).
(4) Remove the DV Main board assembly.
Note:
• Place an insulation sheet on the mechanism assembly
(VHS side), then remove the DV Main board assembly
and place it on the insulation sheet.
When removing the DV Main board assembly, only re-
move a connector CN1002 out of four.
Take care not to damage the parts during operating.
Fig. No.
Screw
(Page)
(1) Top cover, COM1
Bracket (1-3) (No.1-9)
(2) Front COM2
panel (1-3)
assembly
(3) Mechanism D1
(DV SIDE)/ (1-7) (No.1-4)
BASE (2)
(4) DV Main D6
board (1-8) (No.17-20)
assembly
Table 1-8-2
SYMBOL
I / II 1 MAIN CN7507
I / II 2 MAIN CN3011
I 3 MAIN CN703
I 4 MAIN CN7508
I 5 MAIN CN7509
I 6 MAIN CN2601
I / II 7 MAIN CN3014
II 8 DV MAIN CN1502
II 9 P/R MDA CN5002
II 10 P/R MDA CN5506
II 11 REGULATOR CN5324
Hook, etc. Connector Note
9 2 + 1 0 —
(L1,2)
0 8 2
(L3) (CN7507/ —
CN3011)
4 0 4
(CN1502/
CN5002/ —
CN5506/
CN5501)
4 0 1 Note
(CN1002)
CONNECTOR (WIRE) CONNECTIONS
Table 1-8-4 Connection of Connectors
< Installation >
For the PATCH CORDS, see Table 1-8-3.
The patch cords that are indicated in Table 1-8-3 are in one
package.
(1) Connect a PATCH CORD to the FPC, and connect the
end to the connector CN1002.
(2) Connect PATCH CORDS to the three connectors/FPCs
(CN5506/CN5002/CN1502).
(3) Place the mechanism assembly (DV side) on the origi-
nal position and connect the four wires/FPCs/connectors
(CN5501/CN5506/CN5002/CN1502).
(4) Connect PATCH CORDS to the two FPCs of the FRONT
PANEL ASSEMBLY, and connect the ends to the
CN7507 and CN3011.
Board to Board
PTU94022-16
A
B PTU94022-18
PTU94022-13
C
PTU94022-15
D
YTU94072-06
E
YTU94074-15
F
YTU94074-26
G
YTU94074-20
H
PATCH CORD
PTU94017B
CN5002
CN5501
DV mechanism
assembly
BASE (2)
8
CN3011
Front panel assembly
Fig. 1-8-2
— JACK CN7002
— DISPLAY CN7001
— DV MAIN CN3501
— REGULATOR CN5322
— REGULATOR CN5321
— DV MAIN CN3701
— DV MAIN CN1002
— SENSOR
— DV MAIN CN2001
— DV MAIN CN1501
— P/R MDA CN5501
Wire
QUQ112-1840CG
QUQ112-1640CG
QUQ212-1340CG
QUQ212-1540CG
QUQ210-0640CG
QUQ105-1540AA
QUQ105-2640AA
QUQ105-2040AA
Table 1-8-3
Insulation sheet
CN5506
E
G
H
7
10
CN1002
CN1502
CN1501
CN2001
11
9
F
B
2
DV Main board
A
assembly
CN7507
1
Service position <DV side>
PIN No PATCH CORD
16
18
6
13
15
8
6
15
26
20
5
7
A
B
—
C
D
—
E
F
G
H
—
1-9