Panasonic CT-34WDM60 Service Manual ▷ View online
- 17 -
Location of Lead Wiring 2
<CAUTION POINT>
1. The Lead Wires should separated at least 10mm from the
FBT.
2. The Anode Leads should separated at least 10mm from
the every parts.
DY
F7
Focus Screen
L4
L5
DEG
A61
P11
LEAD
CLAMPER
1
2
3
4
5
: Wind up second times.
AC
P1
P-BOARD
BLACK
WHITE
J-BOARD
REAR BRACKET
from AC code
CLAMPER
GREEN
BLACK
to D-BOARD
(% !"#$
- 18 -
Service Hints
How to move chassis into service position
Service position for D, F and FA-boards
Note: Extension cable kit (6 pieces of 8 pin cables) is supplied as service fixtures and tools.
(Part No. TZSC07017)
Panasonic
1. Remove 13 Screws
2. Draw out Main Chassis
3. Stand the Main Chassis
(2) Draw out
(1) Lift up
A-Board
E-Board
V
H
X
Front
P
DP
GY
U
L
A
E
F
Extension Cable Kit
TZSC07017
TZSC07017
D
J
HM
FA
G
K
Z
(& !"#$
- 19 -
Before servicing
(1) Remove the screws fixing the rear cover (13 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.
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.
and clampers must be restored to their original condition.
In regard to inspection of A-Board
and E-Board
and E-Board
•
The A-Board and E-Board can be inspected from the pat-
tern side when the chassis is pulled out and tilted up.
(Refer to Fig. 3.)
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.
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
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 E-Board
1
2
1
2
3
4
6
5
7
9
8
10
11
13
12
Rear Cover
1
2
Insert a cloth or similar so that
the Board will not have contact.
the Board will not have contact.
E-Board
A-Board
AC-Code
(' !"#$
- 20 -
Inspection of the P-Board
•
When the screws (3 screws: Refer to Fig. 4) fixing the P-
Board are removed and the P-Board is removed from its
fixing fitting, inspection from the pattern side becomes
possible.
Board are removed and the P-Board is removed from its
fixing fitting, inspection from the pattern side becomes
possible.
Inspection of the D-Board
•
As the D-Board can not be inspected from the pattern
side, refer to the pattern side/parts side of the circuit
diagram (Page 66, 67), and perform the inspection by
bringing the tester into contact with the jumper wires and
parts.
side, refer to the pattern side/parts side of the circuit
diagram (Page 66, 67), and perform the inspection by
bringing the tester into contact with the jumper wires and
parts.
Parts exchange for the
D-Board
(1) When parts are to be exchanged, first remove the screws
(9 screws: Refer to Fig. 5) fixing the printed circuit board
[D].
[D].
(2) Next, remove the D-Board from the E-Board (5
connectors: E11 to E15: Refer to Fig. 5), and then
exchange the parts.
exchange the parts.
*
Pay attention to the earthing of HOT and COLD parts and
perform inspection.
perform inspection.
Fig.4 Inspection of the P-Board
Fig.5 Inspection of the D-Board
1
3
P-Board
J-Module
HM Module
2
8
6
7
9
5
4
3
1
2
D-Board
E15 E14
E13 E12
E11
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