ORDER No. 00-SM-016 Colour Television TX-28LK1P TX-25LK1P Z8 Chassis SPECIFICATION (Information in brackets { } refers to model TX-25LK1P) AV1 OUT Video (21 pin) 1V p-p 75Ω Power Source: 220-240V a.c., 50Hz Audio (21 pin) 500mV rms 1kΩ Power Consumption:...
CONTENTS SAFETY PRECAUTIONS................................2 SERVICE HINTS ..................................3 ADJUSTMENT PROCEDURE AND FACTORY SETTINGS .....................4 WAVEFORM PATTERN TABLE ...............................5 ALIGNMENT SETTINGS................................6 BLOCK DIAGRAMS ..................................7 PARTS LOCATION .................................10 REPLACEMENT PARTS LIST ..............................11 SCHEMATIC DIAGRAMS ...............................17 CONDUCTOR VIEWS................................20 SAFETY PRECAUTIONS GENERAL GUIDE LINES It is advisable to insert an isolation transformer in the Check each exposed metallic part and check the a.c.
SERVICE HINTS How to remove the rear cover Remove the 6 screws as shown in Fig.2. Screws Fig.2. LOCATION OF CONTROLS Focus E - Board Y - Board Screen Fig.3.
WAVEFORM PATTERN TABLE IC 601 IC 451 IC 451 VERT - OUT VERT - DRIVE VFLB Pin 21 Pin 2 Pin 3 20ms 20ms 20ms IC 601 IC 701 Base Q501 H - OUT H - PULSE EW - OUT Pin 33 Pin 5 64µs...
ALIGNMENT SETTINGS To access Service Mode select program position 99 and set sharpness to minimum. Press “MUTE” button on remote control and at the same time press the "V" button on the customer controls at the front of the TV, this will place the TV set into Service Mode. ∧...
SCHEMATIC DIAGRAMS FOR MODELS TX-28LK1P, TX-25LK1P (Z8 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.