JVC DX-T9, DX-T7, DX-T5 service manual
SERVICE MANUAL
COMPACT COMPONENT SYSTEM
MB36820055
DX-T9,DX-T7,DX-T5
DX-T9, DX-T7
Area suffix
A ------------------------ Australia
US ------------------------ Singapore
UW ----------- Brazil,Mexico,Peru
UX -------------------- Saudi Arabia
UG --- Turkey,South Africa,Egypt
UN ----------------------------- Asean
DX-T5
Area suffix
US ------------------------ Singapore
UW ----------- Brazil,Mexico,Peru
UX -------------------- Saudi Arabia
(CA-DXT5) (SP-XST5)(SP-XT5) (SP-XT5)(SP-XST5)(CA-DXT7,CA-DXT9)
UY ------------------------ Argentina
UG --- Turkey,South Africa,Egypt
UN ----------------------------- Asean
Main body
DX-T9
DX-T7
DX-T5
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
CA-DXT9
CA-DXT7
CA-DXT5
Front speaker
SP-XT9
SP-XT7
SP-XT5
Subwoofer
SP-WT9
SP-WT7
---
Surround speaker
SP-XST9
SP-XST7
SP-XST5
Center speaker
SP-XCT9
SP-XCT7
SP-XCT5
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-51
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-61
COPYRIGHT © 2005 Victor Company of Japan, Limited
No.MB368
2005/5
3.2 DVD changer mechanism assembly section
Remove the DVD changer mechanism assembly from the main body. (See "Removing the DVD changer mechanism assembly".)
3.2.1 Removing the tray assemblies
(See Figs.1 to 5)
(1) From the top side of the main body, remove the two screws
A from the top cover and release the two joints a on the
both sides of the DVD changer mechanism assembly. (See
Figs.1 and 2.)
(2) Remove the two rods from the top cover and remove the
top cover from the lifter assembly. (See Figs.1 and 2.)
(3) Remove the open det. lever on the left side of the DVD
changer mechanism assembly. (See Fig.3.)
(4) From the right side of the DVD changer mechanism as-
sembly, draw out the tray assemblies toward the front while
pushing the part b of the side (R) assembly. (See Figs.4
and 5.)
Note:
The tray can be locked if all tray assemblies are attached.
(5) From the topside of the DVD changer mechanism assem-
bly, move the stopper tabs c in the direction of the arrow
and release them. Pull out the tray assemblies from the
DVD changer mechanism assembly. (See Fig. 5.)
Note:
Remove the tray assembly from top tray 5 in order.
Reference:
When reattaching the tray assembly, or when removing the
disc remaining inside, refer to another section "3.3.15 Taking
out the disc in the play mode".
A
a
Lifter assembly
Fig.1
Rods
Top cover
A
a
Rods
Top cover
a
a
Lifter assembly
Fig.2
1-24 (No.MB368)
Fig.3
r
Open det. leve
Tray assemblies
c
b
Side(R) assembly
Fig.4
Tray assembly
Fig.5
(No.MB368)1-25
3.2.2 Removing the DVD servo board
(See Figs.6 to 8)
Caution:
Solder the short land sections d on the DVD pickup before disconnecting the card wire extending from the DVD pickup. If
you do not follow this instruction, the DVD pickup may be damaged.
(1) From the topside of the DVD changer mechanism assem-
bly, solder the short land sections d on the DVD pick up.
(See Fig.6.)
(2) From the bottom side of the DVD changer mechanism as-
sembly, disconnect the card wire from the connectors
(CN201
Reference:
(3) Disconnect the wires from the connectors (CN452
on the DVD servo board. (See Fig.7.)
(4) Remove the two screws B attaching the DVD servo board.
(See Fig.7.)
(5) From the reverse side of the DVD servo board, release the
lock of the connector CN101
and disconnect the card wire. (See Fig.8.)
Caution:
Unsolder the solders from the short land sections d after reassembling. (See Fig.6.)
3.2.3 Removing the switch board
(1) From the bottom side of the DVD changer mechanism as-
sembly, remove the screw C attaching the switch board on
the DVD changer mechanism assembly.
(2) Disconnect the wires from the connectors (CN452
on the DVD servo board.
(3) Release the wires from the section f and remove the switch
board.
(4) Release the wires from the sections g and remove the
switch board.
Reference:
When reassembling, pass the wires through the sections (f, g)
as before.
, CN451) on the DVD servo board. (See Fig.7.)
When connecting the card wire to the connector CN451
pass it through the sections e on the DVD traverse
mechanism assembly. (See Fig.7.)
, CN453)
in the direction of the arrow
(See Fig.7)
, CN453)
d
,
DVD changer mechanism assembly
Fig.6
DVD changer mechanism assembly
e
CN451
DVD pickup
CN453
f
g
Switch board
B
C
CN201
DVD servo board
DVD traverse mechanism assembly
DVD servo board
B
Fig.7
CN452
CN101
1-26 (No.MB368)
Lock
Fig.8
3.2.4 Removing the motor board
(See Figs.9 and 10)
(1) From the top side of the DVD changer mechanism assem-
bly, remove the two belts from the motor pulleys. (See
Fig.9.)
Note:
Take care not to attach grease on the belt.
(2) Remove the two screws D attaching the motors to the load-
er assembly. (See Fig.9.)
(3) From the bottom side of the DVD changer mechanism as-
sembly, remove the two screws E. (See Fig.10.)
(4) Disconnect the connector CN2
tray switch board and remove the motor board. (See
Fig.10.)
(5) Disconnect the card wire from the connector CN1
forward side of the motor board. (See Fig.10.)
Note:
When connecting the card wire, let the card wire through the
slots h of the motor board. (See Fig.10.)
Reference:
You need not to remove the tray assemblies, and in such case,
move it.
3.2.5 Removing the motor
(See Fig. 10)
• Remove the motor board.
(1) From the reverse side of the motor board, unsolder the four
soldered sections i on the motor board.
(2) From the forward side of the motor board, remove the mo-
tors.
on the motor board from the
on the
D
Belt
Motor Motor
Motor pulleys
Belt
D
Loader assembly
Fig.9
Motors
Motor board
i
Tray switch
board
E
CN2
CN1
h
DVD changer mechanism assembly
Fig.10
Motors
Motor board
E
(No.MB368)1-27
Loading...