DOWNLOAD Panasonic CT-34WX50 Service Manual ↓ Size: 10.31 MB | Pages: 58 in PDF or view online for FREE

Model
CT-34WX50
Pages
58
Size
10.31 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / PX1T
File
ct-34wx50.pdf
Date

Panasonic CT-34WX50 Service Manual ▷ View online

- 8 -
RING CLAMPER
TWEETER(R)
CENTER SPEAKER
GRAY
ORANGE
DEG
AC
WHITE
SPEAKER(L)
Replace AC cord
L-BOARD
SPEAKER(R)
RED
G7
A22
RT1
A-BOARD
D-BOARD
DY
D16
L3
L12
FROM CY
L2
L1
IC451
TO DY
G8
TWEETER(L)
45˚±10˚ 
Location of Lead Wiring
- 9 -
Service Hints
Before servicing
(1) Remove the screws fixing the rear cover (11 pcs.: Refer
to Fig. 1).
(2) Remove the rear cover by raising the chassis a little 
and pulling to the rear 
. (Refer to Fig. 2.)
*
At this time, disconnect the coupler P11, the ring
clamper, etc. as required to facilitate the pulling out of the
chassis.
*
After completion of servicing, any disconnected couplers
and clampers must be restored to their original condition.
In regard to inspection of A-Board
and D-Board
The A-Board and D-Board can be inspected from the pat-
tern side when the chassis  is pulled out and tilted up.
(Refer to Fig. 3.)
*
At this time, disconnect the coupler P11, the clamp, etc.
as required to facilitate tilting of the chassis.
*
When tilting the chassis, pay sufficient attention to the L-
Board at the neck of the picture tube
Fig.1 Positions of the screws fixing the rear cover
Fig.2 How to tilt the chassis
Fig.3 Inspection of the A-Board and D-Board
1
2
10
5
9
11
6
7
1
2
3
4
8
1
2
Insert a cloth or similar so that
the Board will not have contact.
A-Board
D-Board
- 10 -
P3
P2
P1
D3
8pin Cable
8pin Cable
D2
D1
3pin Cable
Inspection of the P-Board
As the P-Board can not be inspected from the pattern
side, refer to the pattern side/parts side of the circuit dia-
gram (Page 66, 67), and perform the inspection by bring-
ing the tester into contact with the jumper wires and
parts.
Parts exchange for the 
P-Board
(1) When parts are to be exchanged, first remove the screws
(3 screws:      to      Refer to Fig. 4) fixing the print holder.
(2) Next, remove the screws (3 screws:     to    :Refer to
Fig.4)
(3) Remove the P-Board from the D-Board (3 connectors: P1
to P3: Refer to Fig. 4), and then exchange the parts.
*
Pay attention to the earthing of HOT and COLD parts and
perform inspection.
(1) Remove the rear panel fixing screw (6 screws:     to     )
and the fixing tabs (2 place). (Refer to Fig. 5)
(2) Tilt the H-Module to the front and pull it out, and then
exchange the H-Module.
Fig.4
Inspection of the P-Board
Fig.5
H-Module exchange
1
6
2
5
4
3
Front
Top View
Rear View
P-Board
Print Holder
2
1
3
5
6
4
Tab
H-Module
Rear Bracket
1
3
4
6
  !
1
6
"#$%&$'($)($%($($%$ (($$$ !
*"+,-./''
- 11 -
Exchange method for CC-Module, U-Moudle, AG-Module, DG-Module and Q-Module
*Remove the H-Module in advance. (Refer to the preceding item)
(1) Remove the screw (1 screw:     )
(2) Remove the lead wire.
(3) Remove the tab.
(4) Remove the module plate.
(5) Pull out each module.
(6) Exchange module.
1
Module Plate
U-Module
AG-Module
Tab
CC-Module
DD-Module
DG-Module
Lead Wire
1
U-Module
CC-Module
DG-Module
AG-Module
Q-Module
Fig. 7 Exchange of each module-2
$0
Fig. 6 Exchange of each module-1
           (View from above)
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