Panasonic TX-32LMD70A - User Manual

Service Manual
Colour LCD Television
TX-32LMD70A
TX-32LMD70FA
TX-32LMD71FA
TX-32LMD72FA
TX-26LMD70A
TX-26LMD70FA
TX-26LMD71FA
GLP22M Chassis
Specifications
(Informations in brackets [ ] refers to model 26”)
Power Source: 220-240V AC, 50Hz
Power Consumption 135W [104W]
Stand-by Power Consumption: 1.0W (TV ONLY)
13W (TV+DVB set to record)
Aerial Impedance: 75Ω unbalanced, Coaxial Type
Receiving System: LMD70A LMD70FA
PAL-I PAL-I/H, B/G, D/K
PAL-525/60 (AV only) SECAM B/G, D/K, L/L’
DVB (via UHF aerial input) PAL-525/60 (AV only)
M.NTSC (AV only) DVB (via VHF/UHF aerial input)
NTSC (AV only) M.NTSC (AV only)
NTSC (AV only)
Receiving Channels: LMD70A LMD70FA
UHF E21-E68 VHF E2-E12 VHF H1-H2 (ITALY)
VHF A-H (ITALY) VHF R1-R2
VHF R3-R5 VHF R6-R12
UHF E21-E69 CATV (S01-S05)
CATV S1-S10 (M1-M10) CATV S11-S20 (U1-U10)
CATV S21-S41 (Hyperband)
Operating Conditions: Temperature: 0°C ÷ 35°C
Humidity: 20% ÷ 80% RH (non condensing)
Scanning format: 480i(60Hz), 480p(60Hz), 576i(50Hz), 576p(50Hz), 720p(60Hz), 720p(50Hz), 1.080i(60Hz),
1.080i(50Hz), 1.080p(60Hz), 1.080p(50Hz)
PC signals: VGA, SVGA, XGA, SXGA(compressed)
Horizontal scanning frequency 31 – 69 kHz
Vertical scanning frequency 59 – 86 Hz
ORDER No. PCZ0709109CE
Panasonic CS ( U.K. ) Ltd.
WILLOUGHBY ROAD,
BRACKNELL,
BERKS.,
RG12 8FT.
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Summary

Product Specifications

Power Details

Covers power source, operational, and standby consumption.

Reception Capabilities

Details on receiving systems and supported channels.

Display and Audio Specifications

Information on the LCD screen and audio output.

Safety Precautions and Guidelines

General Safety Guidelines

Basic safety rules for servicing the unit.

Electrostatic Discharge Prevention

Methods to protect sensitive electronic components from ESD.

Lead-Free Solder Information

Details and suggestions regarding lead-free solder.

Service Hints and Procedures

Removing TV Covers and Assemblies

Step-by-step instructions for disassembling the TV.

Board and Wiring Layout

Chassis Board Identification

Locating and identifying the main circuit boards.

Lead Wiring Locations

Guidance on the routing of internal wiring harnesses.

Setting Inspection Procedures

Voltage Confirmation Checks

Verifying critical power supply voltages.

Self-Check Functionality

Power LED Diagnostic Codes

Service Mode Access

Entering the Service Menu

Instructions for accessing the TV's service menu.

Service Mode Operations

Key Commands for Service

Navigation and adjustment commands within service mode.

Option Byte Settings

Adjustment and Calibration Methods

Contrast and White Balance Adjustment

Procedures for calibrating contrast and white balance.

System Diagrams

Wiring Diagram

Overall electrical connections between main boards.

Video & Stereo Audio Block Diagram

Functional blocks for audio and video signal paths.

Power Supply Block Diagram

Diagram showing power distribution and regulation.

Control Block Diagram

Diagram illustrating control signal flow.

Parts Location and Lists

Parts Location Guide

Visual guide to component placement on the unit.

Replacement Parts List

Comprehensive list of all replaceable parts.

Schematic Diagrams

P-Board Schematic Diagram

Detailed circuit schematic for the P-Board.

DG-Board Schematic Diagram

Detailed circuit schematic for the DG-Board.

G-Board Schematic Diagram

Detailed circuit schematic for the G-Board.

V-Board Schematic Diagram

Detailed circuit schematic for the V-Board.

Panasonic TX-32LMD70A Specifications

General

Screen Size	32 inches
Display Technology	LCD
Aspect Ratio	16:9
Brightness	500 cd/m²
Response Time	8 ms
HDMI Ports	2
USB Ports	1
VGA Port	1
Scart Ports	1
Component Input	1
Composite Input	1
Headphone Jack	1
Built-in Speakers	Yes
Power Consumption	120 W
Resolution	1366 x 768
Viewing Angle	178 degrees