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

- 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)
- 12 -
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.)
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.
ACTION
CBL
DBS
RCVR
AUX
VCR
TV
DTV
DVD
AV-ADL
EXIT
VCR REC
GUIDE
MENU
NORMAL
GAME
INFO/RECALL
RH-SPLIT
CH
CH
VOL
VOL
POWER
MUTE
ASPECT
LIGHT
TV/VIDEO
[VOLUME-] Button
[RECALL]
Button
Fig.2
Initial screen for service adjustment mode
The service adjustment mode has four modes, and only
the "Concurrent mode" can be opened. (Refer to Fig. 2.)
(1) Concurrent mode> Select this mode for performing the
various adjustments.
Cancellation
Switch off the power or press POWER on the remote control.
Inter CAT 1999
Concurrent 97/98/99
I, Trace 94-96
Premium 94
eXtended 92-93/95
hyper One 94
1. Concurrent Mode
Fig.3
Remote control
Adjustment method
... Use the remote control (refer to
Fig. 3)
Select "Concurrent mode" with the cursor keys [
] and
[
] of the remote control, and press the "ACTION" key to
display 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
to page 31.
2.Offset function: Only distortion correction -> Refer to
page 33.
To select Item
To select Item
To select the Data
ACTION
CBL
DBS
TV
DTV
AV-ADL
EXIT
SEARCH
SPLIT
VCR REC
GUIDE
MENU
NORMAL
GAME
INFO/RECALL
RH-SPLIT
CH
CH
VOL
VOL
(REW)
STOP
PLAY
(FF)
- 13 -
How to Read the Serve Adjustment Mode
Enter to each functions
(1)Concurrent---[ACTION]
(2)i.Trace---[ACTION]
(3)Premium---[MUTE]-3sec.
(4)eXtended---None
(5)hyperOne---None
Inter CAT 1999
Concurrent 97/98/99
i.Trace 94-96
Premium 94
eXtended 92-93/95
hyerOne 94
Press
[   ], [   ]
Button
Press [ACTION]
Button
NTSC NORMAL
NTSC ZOOM
NTSC FULL
NTSC JUST
HDTV1035I
HDTV1080i
480p
NTSC 4:3
NTSC 16:9
480p NORM
480p ZOOM
480p FULL 
480p JUST
480p 4:3
480p 16:9
*
1
*
1
FLESH TONE
HYBRID GAMMA
SPLIT SCREEN
SCREEN ADJ
DEF ADJ
SET UP
ADJUSTMENT (SUB)
See the next page.
*
3
*
4 :
WARM
NORMAL
COOL
Each words change like this.
*
2
*
3
*
4
*
2
Reception method
Color temperature
Cyan: Adjustment data
White color: Data memorized
before the adjustment
Adjustment item
(sub-item)
Adjustment item (main-item)
NTSC FULL
FLESH TONE
R-Y ANGLE
WARM
E
E
How to read the diagram
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