ORDER No. PCZ0506069C2 Service Manual Colour LCD Television TX-20LA5F TX-20LA5P GLP2N Chassis SPECIFICATIONS AV1 OUT Video (21 pin) 1V p-p 75Ω Power Source: 220-240V AC, 50/60Hz Audio (21 pin) 500mV rms 1kΩ Power Consumption: AV2 IN S-Video IN Y: 1V p-p 75Ω...
Measuring network for TOUCH CURRENTS COLD WATER PIPE (EARTH GROUND) =500µF =500Ω 10kΩ APPLIANCES =500Ω 0.022µF EXPOSED METAL PARTS Resistance values in ohms (Ω) Input resistance: ≥ 1MΩ Voltmetr or oscilloscope Input capacitance: ≤ 200pF (r.m.s. or peak reading) Frequency range: 15Hz to 1Mhz and d.c.respectively NOTE –...
ABOUT LEAD FREE SOLDER (PbF) Note: Lead is listed as (Pb) in the periodic table of elements. In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder. The Lead Free Solder used in our manufacturing process and discussed below is (Sn+Ag+Cu). That is Tin (Sn), Silver (Ag) and Copper (Cu) although other types are available.
SERVICE HINTS HOW TO REMOVE THE BACK COVER Lay the main unit face down as shown in Fig.5. Fig.5 Remove the 4 fixing screws as shown in Fig.6. Remove the stand assembly. SCREWS Fig.6 Remove the 8 fixing screws as shown in Fig.7.
(-/v) button on the customer controls at the front the TV set. To exit Self Check, switch off the TV set at the power button. O.K. O.K. O.K. AVSW O.K. O.K. O.K. TX-20LA5F TX-20LA5P OPTION 1 OPTION 2 OPTION 3 OPTION 4 OPTION 5 OPTION 6 OPTION 7...
Display Ref. No. Description P.C.B. IC1101 EAROM A-Board IC1700 DISPLAY PROCESSOR AND SCALER A-Board IC1500 VIDEOSIGNAL PROCESSOR A-Board AVSW IC1500 AV SWITCH A-Board TNR001 TUNER B-Board IC2000 MULTISTANDART SOUND PROCESSOR A-Board DOLBY PROLOGIC PROCESSOR MPEG1 AUDIO PROCESSOR ALIGNMENT SETTINGS (The figures below are nominal and used for representative purposes only.) Set the Bass to maximum position, set the Treble to minimum position then keep pressing the INDEX button on the remote control and press the down button (-/v) on the customer controls at the front of the TV, this will place the TV into the Service Mode 1.
JK2350 VIDEO IN VIDEO OUT R IN AV1CVBS G IN TXT CVBS AV1 V OUT B IN TVCVBS R EXT G EXT B EXT AV2 V L IN AV2 Y L OUT AD_656.0 ÷ AD_656.7 AV2 C R IN R OUT SPK L OUT AM IN SPK R OUT...
SCHEMATIC DIAGRAMS FOR MODELS TX-20LA5F, TX-20LA5P (GLP2N CHASSIS) IMPORTANT SAFETY NOTICE Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacturers' specified parts. NOTE RESISTOR All resistors are carbon ¼W resistor, unless marked otherwise.