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 .................................13 REPLACEMENT PARTS LIST ..............................14 SCHEMATIC DIAGRAMS ...............................38 CONDUCTOR VIEWS................................49 SAFETY PRECAUTIONS GENERAL GUIDE LINES It is advisable to insert an isolation transformer in the X-RADIATION WARNING a.c.
SERVICE HINTS How to remove the rear cover 1. Remove the 11 screws as shown in Fig.2. SCREWS SCREWS Fig.2. LOCATION OF CONTROLS DG-Board LR-Board LG-Board LR-Board P-Board A-Board U-Board H-Board D-Board Fig.3.
Page 4
HOW TO MOVE THE CHASSIS INTO SERVICE POSITION Remove the PCB clamp (A) located between chassis and DG PCB as shown in Fig1. Remove the gnd connections to A51 & A52 , also undo all wire dressing clips as shown in Fig2. Remove shielding connector and the connection to power terminal on P-PCB (P2) as shown in Fig3.
Page 5
To exit Self-Check , switch off the tv set at the power button. NOTE: Self Check should only be used when refurbishing the TV set and not during normal repair work. Factory use only Sum : **** TX-47PT10 O.K. OPTION 1 : O.K. OPTION 2 : O.K.
WAVEFORM PATTERN TABLE Note: All waveforms have been taken using a standard colour bar pattern. Video Out Luminance In Vert Drive IC3001 Pin 56 IC1315 Pin 37 A44 Pin 24 10mS 64µS 32µS VFLB H - Drive Vert Out IC451 Pin 6 A3 Pin 10 IC451 Pin 3 32µS...
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, press the down button (- / v) on the customer controls at the front of the TV and at the same time press the INDEX button on the remote control, this will place the TV into the Service Mode.
Page 9
WIRING BLOCK DIAGRAM ONLY USED ON 47PT10 TX- 42PT10 TX- 47PT10 ONLY ONLY RM - BOARD JK3102 JK3281 Mains on/off SW P - BOARD Mains K - BOARD M - BOARD Mains ONLY USED ON 47PT10 DY- B DY- B Coil Coil DY- G...
Page 10
VIDEO BLOCK DIAGRAM A - Board DG - Board IC1304 DG01 Q1329 Q1329 TNR003 TNR004 Main IC3001 IC3003 DG70 Q1322 Tuner Tuner Q1319 V/Yout 44 7 In Out 5 30 V 5 Yout 1 56 Q1321 Cout 2 47 Q3006 63 TV Cout 1 58 Q1308...
Page 11
AUDIO BLOCK DIAGRAM A - BOARD IC2001 L 28 R 27 TNR003 Main Tuner 60 Mono In 67 Ana In R 54 L 53 Speaker IC2301 R 33 IC2302 Speaker R 36 L 11 14 L 25 H/P L L 37 11 R 24 H/P R R 57...
REPLACEMENT PARTS LIST Important Safety Notice Components Identified by mark have special characteristics important for safety. * When replacing any of these components, use only manufacturers specified parts. In case of ordering these spare parts, please always add the complete Model-Type number to your order.
Page 14
Cct Ref Parts Number Description Cct Ref Parts Number Description IC2708 SI-8090K POWER SUPPLY D461 MA3030HTX DIODE IC2709 PQ1CG21H2RZ REGULATOR D462 MA721TX DIODE IC3001 CXA2069Q AUDIO SWITCHING D464 MA188TA5 DIODE IC3002 TDA8601T/C1 12V REGULATOR D465 MA3039HTX DIODE IC3003 CXA1211M-T4 VIDEO AMPLIFIER D500 D1NL40V70 DIODE...
SCHEMATIC DIAGRAMS FOR MODELS TX-47PT10 (EURO-7VP CHASSIS) IMPORTANT SAFETY NOTICE Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacturer's specified parts. NOTE RESISTOR All resistors are carbon ¼W resistor, unless marked otherwise.