Panasonic TH-49SF2U / TH-49SF2E / TH-49SF2W (serv.man2) Service Manual ▷ View online
INF-2
SECTION 1 SERVICE INFORMATION
<49SF2U/E/W>
1. Name of each part
1. 1. Display body
Some of the pages on this section are excerpted from the owner's
manual, thus the reference page numbers on pages indicate those for
owner's manual .
INF-3
SECTION 1 SERVICE INFORMATION
<49SF2U/E/W>
1. 2. Connecting terminals
INF-4
SECTION 1 SERVICE INFORMATION
<49SF2U/E/W>
1. 3. Remote controls
English
28
Remote Control Transmitter
1 Standby (ON/OFF) button ( / )
●
Turns the power on or off when the Display is
turned on at the <Main Power On / Off button>.
(see page 29)
2 POSITION
(see page 37)
3 SETUP
(see page 46)
4 ENTER / Cursor buttons ( )
●
Used to operate the menu screens. (see page 35)
5 ZOOM
Enters the digital zoom mode. (see page 34)
6 DEFAULT
●
Resets the settings of picture, sound, etc., to
defaults. (see page 37, 39, 40)
7 MUTE
●
Sound mute on / off. (see page 32)
8 ASPECT
●
Adjusts the aspect. (see page 33)
9 VOL + / VOL -
●
Adjusts sound volume level. (see page 32)
10 AUTO SETUP
●
Automatically adjusts the position/size of the
screen. (see page 37)
11 INPUT
●
Switches input to display on the screen. (see page
31)
12 PICTURE
(see page 40)
13 SOUND
(see page 39)
14 RECALL
●
Displays the current setting status of Input mode,
Aspect mode, etc. (see page 31)
15 RETURN
●
Used to return to the previous menu. (see page 35)
16 FUNCTION
(see page 58)
17 OFF TIMER
●
Switches to stand-by after a fixed period. (see
page 32)
18 Numeric buttons (1 - 6)
●
Used as shortcut buttons by assigning frequently
used operations. (see page 58)
19 Signal emission
Note
●
In this manual, buttons of the remote control and the
unit are indicated as < >.
(Example: <INPUT>.)
The operation is mainly explained indicating the
(Example: <INPUT>.)
The operation is mainly explained indicating the
remote control buttons but you can also operate with
the buttons on the unit when there are the same
buttons.
INF-5
SECTION 1 SERVICE INFORMATION
<49SF2U/E/W>
2. Notes on Service
2. 1. Before service operation
2. 1. 1. LCD panel module
1. Although an LCD panel module is a product of high-precision technology, some of the pixels on the image may be missing
or constantly lit. Please note that this is not a failure.
2. Displaying a still image for a longer time may result in an after-image on the LCD panels. If this happens, display the all
white screen in the test pattern for an hour or more.
2. 2. Service
2. 2. 1. Supporting Methods
The basic service policy is shown below.
Repair contents
Applied parts
Block replacement
Module replacement
- LCD panel module
- PCB module
Replaced by discrete components
Other electrical parts and mechanism parts
2. 2. 2. Repair
1. Before repairing, make sure to turn off the main power and disconnect the power plug from the power outlet.
* When replacing the PCB module, the internal electrical parts can be broken by the static electricity of clothes or human
body. Please take care in static electricity, use an antistatic wrist strap or wear the anti-static electricity gloves.
2. After repairing, please check the gradation (10 step or the gray scale) test pattern or moving image.
Also, please check that it is normal on a self check screen.
2. 2. 3. Replacement of A-Module
1. When replacing A-module due to the defective, adjustment data copy to new A-module is available. Please refer to the
"USB Cloning (Adj.6-7) " in the SECTION3.
2. When A-module is replaced, the MAC address of LAN will be changed. Explain it to the customers in advance.
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