Panasonic TX-32LXD500 User manual

©2005 Matsushita Electric Industrial Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
TX-32LXD500
TX-26LXD500
TX-32LX500F
TX-32LX500P
TX-26LX500F
TX-26LX500P
LH41 Chassis
Wide LCD TV
Specifications
Power Source
A
C 220 - 240 V, 50 / 60 Hz
Power Consumption
A
verage use : 138 W (0.8 A) (TX-26LXD500)
A
verage use : 172 W (1.0 A) (TX-32LXD500)
Standby condition :
0.4 W (Without DVB Timer programmes)
18 W (With DVB Timer programmes)
A
verage use : 131 W (TX-26LX500F/P)
A
verage use : 165 W (TX-32LX500F/P)
Standby condition : 0.4 W
LCD Wide XGA (1,366 × 768 pixels)
16 : 9 aspect ratio LCD panel
Visible screen Size 66.1 cmV, 564.8 mm (W) × 317.6 mm (H) (TX-26LXD500, TX-26LX500F/P)
80.0 cmV, 697.3 mm (W) × 392.0 mm (H) (TX-32LXD500,TX-32LX500F/P)
Sound
Speaker Woofer Ø80 mm × 2 pcs, Tweeter 16 mm × 73 mm ×4 pcs
Audio Output 20 W (5 W + 5 W, 5 W + 5 W )
Headphones M3 (3.5 mm) Jack × 1
Scanning format 480i(60Hz), 480p(60Hz), 576i(50Hz), 576p(50Hz), 720p(50Hz), 720p(60Hz), 1080i(50Hz),
1080i(60Hz)
PC signals XGA display
VGA, SVGA, XGA
SXGA...... (compressed)
Horizontal scanning frequency 31 - 69 kHz
Vertical scanning frequency 59 - 86 Hz
ORDER NO. PCZ0505058C2
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1 Safety Precautions 4
1.1. General Guidelines 4
1.2. Touch-Current Check 4
2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 5
3 Applicable signals 6
4 Self Check Function 7
Receiving Systems / PAL I (TX-26LXD500/32LXD500) UHF E21-68.
Band name DVB (TX-26LXD500/32LXD500) Digital terrestrial services via UHF aerial input.
PAL B, G, H, SECAM B, G SECAM L / L’ (TX-26LX500F/P, TX-32LX500F/P)
VHF E2 - E12 VHF H1 - H2 (ITALY)
VHF A - H (ITALY) UHF E21 - E69
CATV (S01 - S05) CATV S1 - S10 (M1 - M10)
CATV S11 - S20 (U1 - U10) CATV S21 - S41 (Hyperband)
PAL D, K, SECAM D, K (TX-26LX500F/P, TX-32LX500F/P)
VHF R1 - R2 VHF R3 - R5
VHF R6 - R12 UHF E21 - E69
PAL 525/60 Playback of NTSC tape from some PAL Video
recorders (VCR)
M.NTSC Playback from M. NTSC Video recorders (VCR)
NTSC (AV input only) Playback from NTSC Video recorders (VCR)
Aerial - Rear UHF (TX-26/32LXD500) UHF/VHF (TX-26/32LX500F/P)
Operating Conditions Temperature : 5 °C - 35 °C
Humidity : 5 % - 90 % RH (non-condensing)
Connection Terminals
AV1 (Scart connecter) 21 Pin terminal (Audio/Video in, Audio/Video out, RGB in)
AV2 (Scart connecter) 21 Pin terminal (Audio/Video in, Audio/Video out, S-Video in, Q-Link)
AV3
VIDEO RCA PIN Type × 1
S-VIDEO Mini DIN 4-pin
AUDIO L - R RCA PIN Type × 2
AV4 (Scart connecter) 21 Pin terminal (Audio/Video in, Audio/Video out, RGB in, S-Video in, Q-Link)
COMPONENT Y, PB, PR
HDMI
PC
TYPE A Connecter
HIGH-DENSITY D_SUB 15PIN
AUDIO L - R RCA PIN Type × 2
Card slot SD CARD slot × 1, PC CARD slot × 1
Output
AUDIO L - R RCA PIN Type × 2
Dimensions ( W × H × D )
Including TV Stand 724 mm × 549 mm × 300 mm (TX-26LXD500, TX-26LX500F/P)
857 mm × 624 mm × 300 mm (TX-32LXD500, TX-32LX500F/P)
TV Set Only 724 mm × 487 mm × 141 mm (TX-26LXD500, TX-26LX500F/P)
857 mm × 563 mm × 141 mm (TX-32LXD500, TX-32LX500F/P)
Mass (Weight) 21 kg Net (TX-26LXD500, TX-26LX500F/P)
24.5 kg Net (TX-32LXD500, TX-32LX500F/P)
Note:
Design and Specifications are subject to change without notice. Weight and Dimensions shown are approximate.
CONTENTS
Page Page
2
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
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4.1. Self Check 7
4.2. Power LED Blinking timing chart 8
5 Chassis Board Layout 9
6 Before servicing 10
6.1. Kind and location of the flexible cable and bridge cable
10
6.2. How to remove the connector 11
6.3. Wire dressing 1 12
6.4. Wire dressing 2 13
7 Servicing method 14
7.1. Removing the stand ass’y 14
7.2. Removing the rear cover 14
7.3. Removing the speaker box L and R 14
7.4. Removing the rear AV bracket 15
7.5. Removing the rear metal frame 15
7.6. Removing the P-Board 15
7.7. Removing the XV-Board (For LXD500 model only) 15
7.8. Removing the DG-Board 16
7.9. Removing the DV-Board 16
7.10. Removing the AP-Board 16
7.11. Removing the H-Board 16
7.12. Removing G-Board bracket (G-Board and GP-Board) 17
7.13. Removing the G-Board and GP-Board 17
7.14. Removing the GS-Board bracket. 17
7.15. Removing the K-Board 18
7.16. Removing the V-Board 18
7.17. Removing the main chassis 18
7.18. Removing the LCD panel 18
8 Service Mode Function 19
8.1. How to enter SERVICE 1 19
8.2. How to enter SERVICE 2 19
8.3. Option Description 22
8.4. Option Code Setting 24
9 Adjustment method 25
9.1. Sub-Contrast/White Balance Adjustment 25
10 Block Diagram 27
10.1. Block Diagram (1 of 7) 27
10.2. Block Diagram (2 of 7) 28
10.3. Block Diagram (3 of 7) 29
10.4. Block Diagram (4 of 7) 30
10.5. Block Diagram (5 of 7) 31
10.6. Block Diagram (6 of 7) 32
10.7. Block Diagram (7 of 7) 33
11 Schematic Diagram 35
11.1. Schematic Diagram Notes 35
11.2. Interconnection (1 of 2) Schematic Diagram 36
11.3. Interconnection (2 of 2) Schematic Diagram 37
11.4. AP-Board (1 of 2) Schematic Diagram 38
11.5. AP-Board (2 of 2) Schematic Diagram 39
11.6. H-Board (1 of 4) Schematic DIagram 40
11.7. H-Board (2 of 4) Schematic Diagram 41
11.8. H-Board (3 of 4) Schematic Diagram 42
11.9. H-Board (4 of 4) Schematic Diagram 43
11.10. XV-Board (1 of 5) Schematic Diagram 44
11.11. XV-Board (2 of 5) Schematic Diagram 45
11.12. XV-Board (3 of 5) Schematic Diagram 46
11.13. XV-Board (4 of 5) Schematic Diagram 47
11.14. XV-Board (5 of 5) Schematic Diagram 48
11.15. DV-Board Schematic Diagram 49
11.16. DG-Board (1 of 7) Schematic Diagram 50
11.17. DG-Board (2 of 7) Schematic Diagram 51
11.18. DG-Board (3 of 7) Schematic Diagram 52
11.19. DG-Board (4 of 7) Schematic Diagram 53
11.20. DG-Board (5 of 7) Schematic Diagram 54
11.21. DG-Board (6 of 7) Schematic Diagram 55
11.22. DG-Board (7 of 7) Schematic Diagram 56
11.23. G-Board Schematic Diagram 57
11.24. GP and V-Board Schematic Diagram 58
11.25. GS-Board Schematic Diagram 59
12 Printed Circuit Board 61
12.1. AP-Board 61
12.2. H-Board 63
12.3. XV-Board 66
12.4. DG-Board 68
12.5. DV, GP, and GS-Board 71
12.6. G-Board 72
12.7. K and V-Board 73
13 Exploded View and Replacement Parts List. 75
13.1. Set Layout 75
13.2. Front Chassis Layout 76
13.3. Cabinet Ass’y Layout 77
13.4. Packing 78
13.5. Mechanical Replacement Parts List 79
14 Electrical Replacement Parts List 81
14.1. Electrical Replacement Parts List Notes 81
14.2. Electrical Replacement Parts List (TX-32/26LXD500) 82
14.3. Electrical Replacement Parts List (TX-32/26LX500F/P)
104
3
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
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1.2. Touch-Current Check
1 Safety Precautions
1.1. General Guidelines
1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or
damaged by the short circuit.
2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly
installed.
3. After servicing, make the following leakage current checks to prevent the customer from being exposed to shock hazards.
1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check.
2. Connect a measuring network for touch currents between each exposed metallic part on the set and a good earth ground such
as a water pipe, as shown in Figure 1.
3. Use Leakage Current Tester (Simpson 228 or equivalent) to measure the potential across the measuring network.
4. Check each exposed metallic part, and measure the voltage at each point.
5. Reserve the AC plug in the AC outlet and repeat each of the above measure.
6. The potential at any point (TOUGH CURRENT) expressed as voltage U1and U2, does not exceed the following values:
For a. c.: U1= 35 V (peak) and U2= 0.35 V (peak);
For d. c.: U1= 1.0 V,
Note:
The limit value of U2= 0.35 V (peak) for a. c. and U1= 1.0 V for d. c. correspond to the values 0.7 mA (peak) a. c. and 2.0
mA d. c.
The limit value U1= 35 V (peak) for a. c. correspond to the value 70 mA (peak) a. c. for frequencies greater than 100 kHz.
7. In case a measurement is out of the limits specified, there is a possibility of a shock hazard, and the equipment should be
repaired and rechecked before it is returned to the customer.
Figure 1
4
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
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2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices
Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called
Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and
semiconductor "chip" components. The following techniques should be used to help reduce the incidence of component damage
caused by electro static discharge (ESD).
1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any ESD on your
body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging ESD wrist strap,
which should be removed for potential shock reasons prior to applying power to the unit under test.
2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as alminum
foil, to prevent electrostatic charge buildup or exposure of the assembly.
3. Use only a grounded-tip soldering iron to solder or unsolder ES devices.
4. Use only an anti-static solder removal device. Some solder removal devices not classified as "anti-static (ESD protected)" can
generate electrical charge sufficient to damage ES devices.
5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices.
6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most
replacement ES devices are packaged with leads electrically shorted together by conductive foam, alminum foil or comparable
conductive material).
7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material
to the chassis or circuit assembly into which the device will be installed.
Caution
Be sure no power is applied to the chassis or circuit, and observe all other safety precautions.
8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise hamless motion such as the brushing
together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity (ESD) sufficient to
damage an ES device).
5
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
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3 Applicable signals
Applicable input signal for Component (Y, PB,P
R), HDMI and PC (D-sub 15P) (* Mark)
Note:
· Signals other than above may not be displayed properly.
· Applicable input signal for PC is basically compatible to VESA standard timing.
· PC signal is magnified or compressed for display, so that it may not be possible to show fine detail with sufficient clarity.
6
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
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4 Self Check Function
4.1. Self Check
1. Self-Check is used to automatically check the bus lines and hexadecimal code of the TV set.
2. To get into the Self -Check mode press the Down () button on the customer controls at the front of the set, at the same
time pressing the Status/Information ( )button on the remote control, and the screen will show :
3. Turn off the TV to reset JPEG Viewer circuit after SELF-CHECK.
If the CCU ports have been checked and found to be incorrect or not located then “--” will appear in place of “O.K.”.
Display Ref. No. Description P.C.B.
MEM IC1107 Memory DG-Board
GC4P IC4054 Global Core Processor DG-Board
GC4L IC4057 Global Core DG-Board
GC3FS IC4013 Global Core for Sub DG-Board
HAD IC4012 OSD RGB A/D Converter DG-Board
AVSW1 IC3005 AV Switch VIDEO H-Board
AVSW2 IC2105 AV Switch AUDIO H-Board
Tun1 TU3201 Tuner H-Board
DAC1 IC1106 DAC control 1 DG-Board
DAC2 IC1116 DAC control 2 DG-Board
DAC3 IC3006 DAC control 3 H-Board
MSP IC2106 Stereo Decoder H-Board
SDM SD-Module MPEG4/PHOTO view, SD
recording
SD-Module
HDMI IC5003 HDMI I/F Receiver DV-Board
IPC IC8013 HDSL PEAKS Lite XV-Board
ADV IC4005 A/D Converter DG-Board
7
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
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4.2. Power LED Blinking timing chart
1. Subject
Information of LED Flashing timing chart.
2. Contents
When an abonormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the
defective block can be identified by the number of blinking of the Power LED on the front panel of the unit.
8
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
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5 Chassis Board Layout
Board Name Function
AP-Board Regulator
DG-Board Global Core, A/D Converter, MCU
H-Board AV connector, TV Tuner, AV Switch
K-Board Power Switch
G-Board Front AV & HP connector, Key Switch
P-Board DC Power Supply
V-Board Remote Receiver, LED
XV-Board DVB Tuner (TX-26LXD500/TX-32LXD500)
DV-Board HDMI interface
GP-Board PC Card slot, PC Card interface
GS-Board SD Card slot, SD Card Interface
SD Module MPEG/JPEG interface
9
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
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6 Before servicing
6.1. Kind and location of the flexible cable and bridge cable
Ref No. Connecter type Pins Location Opposite Ref No.
G1 - 10pin G-Board V1
G4 - 30pin G-Board H4
G5 - 20pin G-Board H5
G10 - 4pin G-Board speaker box L
G11 - 5pin G-Board speaker box R
GP6 - 3pin GP-Board H6
GP10 Flexible type 50pin GP-Board SD Module
GS3 Flexible type 40pin GS-Board SD Module
GS8 - 7pin GS-Board H8
GS9 - 15pin GS-Board H9
AP1 Bridge Type 23pin AP-Board H1
AP2 - 7pin AP-Board P2 (CN101)
AP3 Bridge Type 11pin AP-Board P3 (CN201)
AP4 Bridge Type 22pin AP-Board DG4
AP5 Bridge Type 22pin AP-Board DG5
AP6 - 3pin AP-Board K6
AP10 - 2pin AP-Board AC cord
DG2 Flexible type 40pin DG-Board H2
DG3 Flexible type 40pin DG-Board H3
DG4 Bridge type 23pin DG-Board AP4
DG5 Bridge type 23pin DG-Board AP5
DG6 - 8pin DG-Board CN3 (Inverter)
DG7 - 32pin DG-Board LCD Panel
DG8 - 7pin DG-Board LCD Panel
DG10 - 60pin DG-Board DV15
DV15 - 60pin DV-Board DG10
H1 Bridge type 23pin H-Board AP1
H2 Flexible type 40pin H-Board DG2
H3 Flexible type 40pin H-Board DG3
H4 - 30pin H-Board G4
H5 - 20pin H-Board G5
H6 - 3pin H-Board GP6
H8 - 7pin H-Board GS8
H9 - 15pin H-Board GS9
K6 - 3pin K-Board AP6
P1 (CN203) - 8pin P-Board CN5 (Inverter)
P2 (CN101) - 7pin P-Board AP2
P3 (CN201) Bridge Type 11pin P-Board AP3
P4 (CN202) - 8pin P-Board CN4 (Inverter)
V1 - 10pin V-Board G1
10
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
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Bridge cable connector Flexible cable connector
6.2. How to remove the connector
11
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
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6.3. Wire dressing 1
1. Make the wire dressing as illustrated below.
12
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
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6.4. Wire dressing 2
<Clamping>
Notes :
1. Connect every connector surely.
2. Manage wires not to touch any sharp edge of the metal parts.
3. Manage wires not to have too much tension.
13
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
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7.1. Removing the stand ass’y
1. Lay down the main unit so that the rear cover faces upward.
2. Remove the cable cover.
3. Remove the fixing screws (4pcs).
4. Remove the stand ass’y.
7.2. Removing the rear cover
1. Remove the stand ass’y. (See 7.1.)
2. Remove the fixing screws (13pcs).
3. Remove the rear cover.
7.3. Removing the speaker box L
and R
1. Remove the rear cover. (See 7.2.)
2. Release the speaker cables from the clampers on the
speaker box L and R, and disconnect the speaker relay
couplers (SPL and SPR).
3. Remove the fixing screws (6pcs).
4. Remove the speaker box L and R.
7 Servicing method
14
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
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7.4. Removing the rear AV bracket
1. Remove the rear cover (See 7.2.) and the speaker box L
and R. (See 7.3.)
2. Release the bushing of AC cord from the rear AV bracket
and the clamper on the rear metal frame, disconnect the
coupler (AP10) and remove the AC cord.
3. Remove the fixing screws (3pcs).
4. Remove the rear AV bracket.
7.5. Removing the rear metal frame
1. Remove the rear AV bracket. (See 7.4.)
2. Release the cables from the clampers on the rear metal
frames.
3. Remove the fixing screws (4pcs).
4. Remove the rear metal frames (right and left).
7.6. Removing the P-Board
1. Remove the rear cover. (See 7.2.)
2. Disconnect the couplers P2 (CN101), P3 (CN201) P4
(CN202), and P1 (CN203).
3. Remove the fixing screw (4pcs).
4. Remove the P-Board.
7.7. Removing the XV-Board (For
LXD500 model only)
1. Remove the rear AV bracket (See 7.4.) and the rear metal
frame. (See 7.5.)
2. Disconnect the couplers carefully (XV01 and DG1).
3. Remove the fixing screws (5pcs ).
4. Remove the XV-Board unit.
5. Remove the screws (5pcs )
6. Remove the XV-Board.
15
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
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7.8. Removing the DG-Board
1. Remove the rear AV bracket (See 7.4.) and the rear metal
frame. (See 7.5.)
2. Remove the XV-Board unit. (See 7.7.) (for LXD500 model
only)
3. Disconnect the couplers (DG6, DG8 and DG7), the flexible
cables (DG2 and DG3) and the bridge cables (DG4 and
DG5).
4. Remove the fixing screws (7pcs).
5. Remove the DG-Board with DV-Board.
7.9. Removing the DV-Board
1. Remove the DG-Board with DV-Board. (See 7.8.)
(See above figure in item 7.8.)
2. Remove a fixing screw ( ) (reverse side) and remove the
copper foil sheet carefully not to brake.
3. Disconnect the coupler (DV15-DG10) and remove the DV-
Board.
7.10. Removing the AP-Board
1. Remove the rear AV bracket ass´y (See 7.4.) and the rear
metal frame. (See 7.5.)
2. Disconnect the couplers (AP2, AP6 and AP10 (AC Cord))
and the bridge cables (H1 (AP1) on the H-Board, P3/CN201
(AP3) on the P-Board and DG4 (AP4) and DG5 (AP5) on
the DG-Board.
3. Remove the fixing screws (7pcs).
4. Remove the AP-Board.
7.11. Removing the H-Board
1. Remove the rear AV bracket (See 7.4.) (and the rear metal
frame). (See 7.5.)
2. Disconnect the flexible cables (H2 and H3), the bridge cable
(H1) and the couplers (H4, H5, H6, H8 and H9).
3. Remove the fixing screws (4pcs).
4. Remove the H-Board.
16
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
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7.12. Removing G-Board bracket (G-
Board and GP-Board)
1. Remove the rear AV bracket (See 7.4.) and the rear metal
frames. (See 7.5.)
2. Remove the fixing screws (2pcs ) and pull out the rear
AV bracket slightly.
3. Disconnect the flexible cable (GP10) and the couplers (G1,
G4, G5, G10, G11 and GP6).
4. Remove a screw on the DG-Board and release the earth
lug from the DG-Board.
5. Release the cables from the cable holders of the G-Board
bracket.
6. Remove the G-Board bracket with the G-Board and GP-
Board.
7.13. Removing the G-Board and
GP-Board
1. Remove the G-Board bracket. (See 7.12.)
<Removing the G-Board>
2. Push the hooks (7 points) to release the G-Board from the
G-Board bracket.
3. Remove the G-Board.
<Removing the GP-Board>
4. Remove the screws (2pcs ) and push the hooks (2
points ).
5. Remove the GP-Board.
7.14. Removing the GS-Board
bracket.
1. Remove the screws (3pcs ) (See figure in item 7.12.)
2. Remove the GS-Board bracket.
3. Remove the couplers (GS9 and GS10) and a flexible cable
(GS3).
4. Remove the screws (2pcs ).
5. Remove the GS-Board
17
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
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7.15. Removing the K-Board
1. Remove the rear cover (See 7.2.) and the speaker box R.
(See 7.3.)
2. Remove a coupler (K6).
3. Remove the screws (2pcs ).
4. Remove the K-Board bracket with the K-Board.
5. Remove a screw ( ) and remove the K-Board.
7.16. Removing the V-Board
1. Remove the rear cover (See 7.2.) and the speaker box R.
(See 7.3.)
2. Remove the screws (2pcs).
3. Remove the V-Board.
4. Disconnect the coupler (V1).
7.17. Removing the main chassis
1. Remove the rear AV bracket (See 7.4.) and the rear metal
frame. (See 7.5.)
2. Disconnect the couplers (CN202, CN203, DG6, DG7, DG8,
H4, H5, H6, H8, H9, AP6, AP10) and the earth lug (on the
H-Board) from G-Board.
3. Release the cables from the clampers on the main chassis.
4. Remove the fixing screws (3pcs).
5. Remove the main chassis with the P-Board, the AP-Board,
the DG-Board (with DV-Board and XV-Board) and the H-
Board.
7.18. Removing the LCD panel
1. Remove the main chassis. (See 7.17.)
2. Remove the fixing screws (11pcs ).
3. Remove the LCD panel and LCD panel holders (right and
left).
4. Remove the screw (4pcs ).
5. Remove the LCD panel holders (top and bottom).
18
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
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8 Service Mode Function
MPU controls the functions switching for each IICs through IIC bus in this chassis. The following setting and adjustment can be
adjusted by remote control in Service Mode.
8.1. How to enter SERVICE 1
1. In main menu, move to choose sound menu, set BASS to MAXIMUM, and set TREBLE to MINIMUM.
2. Simultaneously press INDEX button on remote control and DOWN button [ ] on the TV set.
8.2. How to enter SERVICE 2
1. Enter the SERVICE 1 mode.
2. Set the channel to CH99.
3. Press HOLD button on remote control.
Note:
To exit from Service mode, press N or Power button on remote control.
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TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
All manuals and user guides at all-guides.com

20
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
All manuals and user guides at all-guides.com