Panasonic CT-34WDM60 Service Manual ▷ View online
- 21 -
*
When removing the fixing fittings of the D-Board and F-
Board, also remove the setscrews (2 screws) of the fixing
fittings, the fixings claws (2 places of the F-Board, and
the earth wires from the heat sink of the flyback trans-
former to the fixing fittings of the D-Board and F-Board at
the same time.
Board, also remove the setscrews (2 screws) of the fixing
fittings, the fixings claws (2 places of the F-Board, and
the earth wires from the heat sink of the flyback trans-
former to the fixing fittings of the D-Board and F-Board at
the same time.
Fig.6 Inspection of the F-Board-1
(2) Next, suck off the solder from the shield plate of the F-
Board (6 places: Refer to Fig. 6).
*
Remove the shield plate as required.
(3) Finally, remove the F-Board from the E-Board (6 con-
nectors: E1 to E6 -> Refer to Fig. 7), and then exchange
the parts.
the parts.
Do not forget!
*
After completion of servicing, the earth wires from the
heat sink of the flyback transformer to the fixing fit-
tings of the D-Board and F-Board must be fixed again
with screws in their original condition.
heat sink of the flyback transformer to the fixing fit-
tings of the D-Board and F-Board must be fixed again
with screws in their original condition.
Fig.7 Inspection of the F-Board
Parts exchange for the FA-Board
•
For parts exchange, first remove the FA-Board from the
F-Board (2 couplers: FA1/FA2 -> Refer to Fig. 7), and
then exchange the parts.
F-Board (2 couplers: FA1/FA2 -> Refer to Fig. 7), and
then exchange the parts.
Finally:
*
After exchange of the parts of the F-Board, confirm the
image, and if adjustment is required, refer to pages 33 to
45.
image, and if adjustment is required, refer to pages 33 to
45.
F-Board
SHILD PLATE
Point of
Unsolder
Unsolder
FBT
FA-Board
F-Board
FA1
FA2
E6
E5
E4
E3
E2
E1
Inspection of the F-Board and FA-Board
•
As inspection of the printed F-Board and FA-Board from the pattern side is not possible, refer to the pattern side/parts side of
the circuit diagram (Page 72, 73), and perform the inspection by bringing the tester into contact with the jumper wires and
parts.
the circuit diagram (Page 72, 73), and perform the inspection by bringing the tester into contact with the jumper wires and
parts.
Point
(1) Use the fact that all lead wires have some slack, pull out the chassis to the front, turn the left side of the chassis with the right
side of the chassis as the axis in horizontal direction to secure the measuring points.
*
Pay attention to the flyback transformer and perform inspection.
Parts exchange F-Board
(1) When parts are to be exchanged, first remove the fixing fittings of the D-Board and F-Board.
( !"#$
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Exchange method for HM-Module, DP-Module, GY-Module, and X-Module
*
Remove the J-Module in advance. (Refer to the preceding item.)
Exchange method for the rear termi-
nal, input switching J-Module
nal, input switching J-Module
(1) Remove the read panel fixing screws (5 screws:
to
)
and the fixing tabs (2 places). (Refer to Fig. 8.)
(2) Remove the screws (2 screws:
/
) fixing the J-Module,
tilt the J-Module to the front and pull it out, and then
exchange the J-Module.
exchange the J-Module.
Fig.8
Module exchange
1
5
6
7
7
1
3
F-Board
Rear Bracket
AC-Code
5
4
2
6
Tab
Fig.9 Exchange of each module - 1 (seen from above)
(1) Remove the setscrews (3 screws:
to
) of the module
fixing fittings and the couplers X3 and X4. (Refer to Fig.
9.)
9.)
(2) Remove the setscrew (1 screw:
) of the fixing fitting of
the P-Board, and pull the fixing fitting of the HM-Module to
the front to remove the module fixing fitting. (Refer to Fig.
9.)
the front to remove the module fixing fitting. (Refer to Fig.
9.)
Fig.10 Exchange of each module - 2 (view from the rear)
(3) After removal of the module fixing fitting, pull out each
module and exchange it. (Refer to Fig. 10.)
*
When GY-Module has been exchanged, refer to pages 29
and 30 and perform the respective adjustments.
and 30 and perform the respective adjustments.
4
1
3
2
Module Plate
HM-Module Plate
HM-Module
1
3
4
U-Module
GY-Module
DP-Module
HM-Module
!"#$
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Service Adjustment Mode
Exchange parts and required adjustment
As shown in the following table, adjustment will be required when some parts have been exchanged.
*
"
" indicates that adjustment always is required.
*
"
" indicates that adjustment is to be performed as required.
*
"
" indicates that reference should be made to the enclosed data sheet and that the adjustment value(s) shown on the data
sheet should be entered. After confirmation of the screen, fine adjustment should be performed as required.
*
"x" indicates that adjustment is not required.
*
Refer to pages 31 and 32 for "white balance adjustment".
*
Refer to pages 33 to 45 for "adjustment of the deflection system".
SUB BRIGHT
RGB CUT-OFF
RGB CUT-OFF
RGB DRIVE
H-POSITION
H-SIZE
SIDE-PCC
H-PARALLEL
H-LINEARITY
V-POSITION
TRAPAZOID
V-LINEARITY
V-SIZE
PCC
EW-CORNER·TOP
EW-CORNER·BOTTOM
V-S CORRECTION
MOIRE
Y-DRIVE
B-Y / R-Y
SUB TINT
FOCUS ADJ.
W.B.
ADJ.
HYBRID GAMMA
(CUT-OFF)
(WHITE BALANCE)
DEF.
ADJ.
DEF. ADJ.
NTSC
ADJ.
NTSC DECODER
EXCHANGE PARTS
ADJUSTMENT
CONTENTS · ITEMS
CONTENTS · ITEMS
MEMORY
(IC3071)
X
MODULE
DEF.
YOKE
F.B.T.
IC402
(F-Board)
HM
MODULE
DP
MODULE
GY
MODULE
!"#$
- 24 -
Entry into service adjustment mode
Hold the "VOL -" button inside the door of the operation section of this unit pressed and press the "RECALL" button on the remote
control three times in a row (within 2 sec.). (Refer to Fig. 1.)
control three times in a row (within 2 sec.). (Refer to Fig. 1.)
Fig.1
Entry into service adjustment mode
At the time of service adjustment
As the values entered in service adjustment mode differ according to the set, perform adjustment operation in service adjustment
mode after the values for each item have been prepared.
mode after the values for each item have been prepared.
ASPECT INPUT
VOLUME
[ VOLUME ] Button
(Pressing)
(Pressing)
[RECALL]
Button
(3 times
within 2
seconds.)
Button
(3 times
within 2
seconds.)
POWER GAME INPUT
RECALL
MUTE
SLEEP
POWER SAVE
VOL
ASPECT
SELF ASPECT
CT-34WDM60
Fig.2 Initial screen for service adjustment mode
•
The service adjustment mode has four modes, and only
the "IIC mode" can be opened. (Refer to Fig. 2.)
the "IIC mode" can be opened. (Refer to Fig. 2.)
(1) IIC mode> Select this mode for performing the various
adjustments.
Cancellation
Switch off the power or press POWER on the remote control.
CAT
IIC MODE
CD MODE
SD MODE
ID MODE
CD MODE
SD MODE
ID MODE
sys. 9.0a
1. IIC Mode
Fig.3
Remote control
Adjustment method
... Use the remote control (refer to
Fig. 3)
•
Select "IIC mode" with the cursor keys [
] and [
] of the
remote control, and press the "ACTION" key to display
the adjustment screen.
the adjustment screen.
(1)Button: Selection of main items in forward direction
(2)Button: Selection of main items in reverse direction
(3)Button: Selection of sub-items in forward direction
(4)Button: Selection of sub-items in reverse direction
(5)Button: One horizontal line at the time of hybrid
gamma adjustment
(6)Button: Single-color screen at the time of hybrid
gamma adjustment Only R, G, B, Cut-off
(8)Button: Built-in cross-hatch pattern
“ACTION” Button: switch main items and sub-items
*
(volume +, -) buttons: For adjustment
*
Press the NORMAL button for 3 seconds
1.Copy function: (Only hybrid gamma, G cut-off) -> Refer
1.Copy function: (Only hybrid gamma, G cut-off) -> Refer
to page 31.
2.Offset function: Only distortion correction -> Refer to
page 33.
( )......In case of uses the 10 Digit key Remocon
POWER SAVE
VOL
ASPECT
SELF ASPECT
PICTURE
MENU
AUDIO
MENU
SURROUND
NORMAL
MENU
SCREEN
AV ADJ.
ACTION
SLEEP
To select Item
To select Item
To select main/sub Item
To select the Data
!"#$
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