Panasonic TX-37LZ800H User manual

© 2008 Matsushita Electric Industrial Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
TX-37LZ800H
LH69 Chassis
LCD TV
Specifications
Power Source :
A
C 110-240 V, 50/60 Hz
Power Consumption
Average Use 200 W
Standby condition 0.3 W
Display panel
Aspect Ratio 16:9
Visible screen size 819 mm (W) × 460 mm (H)
(No. of pixels) 2,073,600 (1,920 (W) × 1,080 (H))
Sound
Speaker 160 mm × 42 mm × 2 pcs, 8 Ω
Audio Output 20 W (10 W + 10 W), 10% THD
Headphones M3 (3.5 mm) stereo mini Jack × 1
PC signals VGA, SVGA, XGA, SXGA
Horizontal scanning frequency 31 - 69 kHz
Vertical scanning frequency 59 - 86 Hz
Receiving Systems / Band name SYSTEMS FUNCTIONS
———————————————————————————————————————
1PAL B, G, H
2PAL I Reception
of broadcast
transmission and
playback from
video cassette tape
recorders.
3PAL D, K
4SECAM B, G
5SECAM D, K
6SECAM K1
7NTSC M (NTSC 3.58 / 4.5 MHz)
———————————————————————————————————————
8NTSC 4.43 / 5.5 MHz Playback from
special VCR’s or DVD.
9NTSC 4.43 / 6.0 MHz
ORDER NO. MTV0801626CE

1 Location of Lead Wiring 41.1. Wire Dressing 4
10 NTSC 4.43 / 6.5 MHz
11 NTSC 3.58 / 5.5 MHz Playback from
special VCR’s or DVD.
12 NTSC 3.58 / 6.0 MHz
13 NTSC 3.58 / 6.5 MHz
14 SECAM I
———————————————————————————————————————
15 PAL 60 Hz / 5.5 MHz Playback from
Special Disc Players
and Special VCR’s or DVD.
16 PAL 60 Hz / 6.0 MHz
17 PAL 60 Hz / 6.5 MHz
Aerial - Rear VHF / UHF
Operation Conditions Temperature : 0°C - 40°C
Humidity : 20% -- 80% RH (non-condensing)
Connection Terminals :
AV1 AUDIO L-R RCA PIN Type × 2 0.5 V[rms]
Input VIDEO RCA PIN Type × 1 1.0 V[p-p] (75 Ω)
COMPONENT Y 1.0 V[p-p] (including synchronization)
PB/C
B,P R/C R±0.35 V[p-p]
AV2 AUDIO L-R RCA PIN Type × 2 0.5 V[rms]
Input VIDEO RCA PIN Type × 1 1.0 V[p-p] (75 Ω)
COMPONENT Y 1.0 V[p-p] (including synchronization)
PB/C
B,P R/C R±0.35 V[p-p]
AV3 AUDIO L-R RCA PIN Type × 2 0.5 V[rms]
Input VIDEO RCA PIN Type × 1 1.0 V[p-p] (75 Ω)
S VIDEO Mini DIN 4-pin Y: 1.0 V[p-p] (75 Ω) C: 0.286 V[p-p] (75 Ω)
AV4 AUDIO L-R RCA PIN Type × 2 0.5 V[rms]
Input VIDEO RCA PIN Type × 1 1.0 V[p-p] (75 Ω)
S VIDEO Mini DIN 4-pin Y: 1.0 V[p-p] (75 Ω) C: 0.286 V[p-p] (75 Ω)
Others HDMI 1 / 2 / 3 Input TYPE A Connectors OThis TV supports “HDAVI Control 3”
function.
PC Input HIGH-DENSITY D-SUB 15 PIN R, G, B / 0.7 V[p-p] (75 Ω)
HD, VD / TTL LEVEL 2.0-5.0 V[rms] (high
impedance)
DIGITAL AUDIO
OUT PCM, Fiber optic
Card Slot SD CARD slot × 1
Monitor AUDIO L-R RCA PIN Type × 2 0.5 V[rms] (high impedance)
Output VIDEO RCA PIN Type × 1 1.0 V[p-p] (75Ω)
Dimensions (W × H × D) 933 mm × 650 mm × 295 mm (With TV Stand)
933 mm × 608 mm × 105 mm (TV only)
Mass 23.0 kg (Net)
Design and specifications are subject to change without notice. Mass and dimensions shown are approximate.
CONTENTS
Page Page
2
TX-37LZ800H

1.2. Wire Dressing and Connections 6
2 Disassembly for Service 7
2.1. VESA and Rear Center Cover Installation 7
2.2. Pedestal Assembly Preparation 8
2.3. LCD Panel Assembly Installation 9
2.4. LED Panel and V-PWB Assembly Installation 10
2.5. LCD MTG Installation 11
2.6. EMI Installation 12
2.7. Control Panel Installation 14
2.8. Power Button Assembly Installation 15
3 Chassis Board 16
3.1. Chassis Installation 16
4 Adjustment 17
4.1. Voltage Chart of DG-Board 17
4.2. Voltage Chart of H board 17
4.3. Voltage Chart of A Board 17
4.4. Voltage Chart of P board 17
5 Schematic Diagram 18
5.1. DG Board 18
5.2. H Board 72
5.3. K Board 85
5.4. P Board 86
5.5. S Board 93
5.6. V Board 94
6 Parts Location & Mechanical Replacement Parts List 97
6.1. Parts Location 97
7 Packing Exploded View 98
8 Replacement Parts List 99
8.1. Replacement Parts List Notes 99
8.2. Electrical Replacement Parts List 100
3
TX-37LZ800H

1 Location of Lead Wiring
1.1. Wire Dressing
4
TX-37LZ800H

5
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1.2. Wire Dressing and Connections
CONNECTION 1234567891011
1CN 2 ~ P 2
2A2~P4
3A1~P3
4CN 2 ~ A 6
5G1~A4
6G2~A5
7V1~A7
8A 12 ~ SPEAKER (L)
9A 12 ~ SPEAKER (R)
10 P1~SW2
6
TX-37LZ800H

2 Disassembly for Service
2.1. VESA and Rear Center Cover Installation
1.Put the VESA/L/R on the LCD panel and fix them with the screws.
2.Put the rear center cover on the LCD bottom mtg and fix it with the screws.
7
TX-37LZ800H

2.2. Pedestal Assembly Preparation
1.Put pedestal assembly to set with four (4) screws.
8
TX-37LZ800H

2.3. LCD Panel Assembly Installation
9
TX-37LZ800H

2.4. LED Panel and V-PWB Assembly Installation
1.Put LED panel and V-PWB assembly to cabinet assembly with two (2) screws.
Tightening torque should be : 60 (-10/+20) N.cm. or 6 ( -1/+2) Kgfcm.
10
TX-37LZ800H

2.5. LCD MTG Installation
1.Put LCD MTG (Side and Corner) to cabinet assembly with screws.
2.Put LCD MTG (Top and Bottom) to LCD panel (8) screws.
3.Put LCD MTG (Top and Bottom) to cabinet assembly with (8) screws.
11
TX-37LZ800H

2.6. EMI Installation
2.6.1. EMI 1
Assembly contents:
1.Insert LVDS into T-connector.
2.Stick tape to fix LVDS.
3.Stick the gaskets on LCD panel.
4.Stick the sponges at LCD panel.
12
TX-37LZ800H

2.6.2. EMI 2
Assembly Contents:
1.Insert LVDS into T-connector.
2.Stick tape to fix LVDS.
3.Stick the gaskets on LCD panel.
13
TX-37LZ800H

2.7. Control Panel Installation
14
TX-37LZ800H

2.8. Power Button Assembly Installation
15
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3 Chassis Board
3.1. Chassis Installation
1.Put the chassis frame on the LCD and fix it with screws (No. 31~55).
2.Put the DG-pcb P-pcb on the chassis frame and fix them with screws (No. 1~21).
3.Insert the clampers to the chassis frame.
4.Insert the side AV bracket from the side position of the DG-pcb and fix it with a screw (No. 21).
5.Joint DG-pcb and H-pcb with 80PIN CONNECTOR.
Refer to the parts list to confirm the PCB No.
Clamper
TMM15481 (No.1~10) n = 10
TMME287 (No.11~12) n = 2
TMME047 (No.21~23) n = 3
16
TX-37LZ800H

4 Adjustment
4.1. Voltage Chart of DG-Board
• Set A-Board to a dummy set and check the compliance with the specified voltage as following table.
Power Supply Name Measurement Point Specification (V)
SUB1.8V TP5602 1.76 - 1.85
SUB1.2V TP5601 1.22 - 1.27
SUB3.3V TP5600 3.19 - 3.39
DVDDIO3.3V/TVDD3.3V TP4531 3.23 - 3.37
HQLV3.3V TP4240 3.24 - 3.41
HQDDR2.5V TP4207 2.44 - 2.56
HQ3.3V TP5433 3.18 - 3.47
HQVD1.2V TP5412 1.19 - 1.26
4.2. Voltage Chart of H board
• Set H-Board to a dummy set and check the compliance with the specified voltage as following table.
Power Supply Name Measurement Point Specification (V)
AUD3.3V TP2031 3.24 - 3.38
DVDD1.8V TP2032 1.77 - 1.83
4.3. Voltage Chart of A Board
Power Supply Name Measurement Point Specification (V)
SUB 1.8 V TP5602 1.76 - 1.85
SUB 1.2 V TP5601 1.22 - 1.27
SUB 3.3V TP5600 3.19 - 3.39
DVDDIO 3.3 V/TVDD 3.3 V TP4531 3.23 - 3.37
4.4. Voltage Chart of P board
Power Supply Name Measurement Point Normal condition (V) Normal condition (V)
SOUND_VCC TP7050 17.0 - 20.5 < 3.0
BT-30V TP7060 28.5 - 31.5 < 3.0
SUB_5V TP7059 4.9 - 5.3 < 1.0
SUB_9V TP7055 8.8 - 9.4 < 1.0
DTV_12V TP7057 11.6 - 12.4 < 1.0
PANEL_12V TP7058 11.6 - 12.4 < 2.0
5VS TP7061 4.8 - 5.2 4.8 - 5.2
STB_5V TP7062 4.8 - 5.2 4.8 - 5.2
SUB_6V TP7064 5.7 - 6.5 < 1.0
V+ - V- TP7025 - TP7026 370 - 395 no care
12V TP7070 11.6 - 12.4 < 3.0
17
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5 Schematic Diagram
5.1. DG Board
5.1.1. DG Board - Sheet : 001 (1 / 10)
<1A>
<2A>
18
TX-37LZ800H

5.1.2. DG Board - Sheet : 001 (2 / 10)
<1B>
<2B>
<3B>
<4B>
<1A>
<2A>
19
TX-37LZ800H

5.1.3. DG Board - Sheet : 001 (3 / 10)
<1C>
<2C>
<1B>
<2B>
<3B>
<4B>
20
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