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EN 4 L01.2E AB Safety Instructions, Warnings, and Notes 2. Safety Instructions, Warnings, and Notes Index of this chapter: 3. Clean the picture tube panel and the neck of the picture 2.1 Safety Instructions For Repairs tube. 2.2 Maintenance Instructions 2.3 Warnings...
2.4.3 Lead Free Solder (around 90°C) for drying (think of ESD-protection!). Do not re-use BGAs at all! Philips CE is going to produce lead-free sets (PBF) from • For sets produced before 1.1.2005, containing leaded 1.1.2005 onwards. soldering tin and components, all needed spare parts will be available till the end of the service period.
EN 6 L01.2E AB Mechanical Instructions 4. Mechanical Instructions Index of this chapter: Side I/O Panel Removal (if present) 4.1 Rear Cover Removal 4.2 Service Position Main Panel 1. Remove the complete Side I/O assembly, after unscrewing 4.3 Side I/O Panel Removal (if present) the 2 fixation screws .
Service Modes, Error Codes, and Fault Finding L01.2E AB EN 7 5. Service Modes, Error Codes, and Fault Finding Index of this chapter: 5.2.1 Service Default Mode (SDM) 5.1 Test Points 5.2 Service Modes Purpose 5.3 Problems and Solving Tips (Related To CSM) •...
EN 8 L01.2E AB Service Modes, Error Codes, and Fault Finding Specifications • Operation hours counter. • Software version. • Option settings. • Error buffer reading and erasing. A A A B C D E E X . Y S D M •...
Service Modes, Error Codes, and Fault Finding L01.2E AB EN 9 – Activate the selected submenu. 10. Value indicates parameter levels at CSM entry (only for • When you press the MENU button twice, the set will switch stereo sets). TR= TREBLE, BS= BASS to the normal user menus (with the SAM mode still active in the background).
5.4.1 Introduction 5.4.3 How To Connect ComPair (Computer Aided Repair) is a service tool for Philips 1. First install the ComPair Browser software (see the Quick Consumer Electronics products. ComPair is a further Reference Card for installation instructions). development on the European DST (service remote control), 2.
Service Modes, Error Codes, and Fault Finding L01.2E AB EN 11 5.4.4 How To Order – ERROR: 9 6 0 0 0 : Error code 6 was first detected and error code 9 is the last detected (newest) error •...
EN 12 L01.2E AB Service Modes, Error Codes, and Fault Finding The Blinking LED Procedure same time, measure the ‘+8V’. If this voltage is missing, check transistor TS7408. • Set is non-stop in hiccup mode Via this procedure, you can make the contents of the error Set is in over current mode;...
Block Diagrams, Testpoint Overviews, and Waveforms L01.2E AB 6. Block Diagrams, Testpoint Overviews, and Waveforms Block Diagram REAR I/O SCART AUDIO/VIDEO AUDIO AMPLIFIER FRONT CONTROL CONTROL +3.3V +3.3V SOURCE SWITCHING 7801 MONO SETS ONLY 7941:7943 WITHOUT 7602 7101 HEF4052BT MONO/AM-MONO-SOUND...
Block Diagrams, Testpoint Overviews, and Waveforms L01.2E AB Testpoint Overview Main Panel Copper Track Side AUDIO OUTPUT 7901 OR 7902 500mV / div DC 500mV / div DC 1V / div DC 250ns / div 5ms / div 20us / div TV-PROC.
Alignments L01.2E AB EN 39 8. Alignments Index of this chapter: – BRIGHTNESS to minimum (OSD just visible in a dark 8.1 General Alignment Conditions room). 8.2 Hardware Alignments 5. Return to the SAM via the MENU key. 8.3 Software Alignments and Settings 6.
EN 40 L01.2E AB Alignments 4. Geometry 5. Audio 7\SHQXPEHU 2% 2% 2% 2% 2% 2% 2% 37 37 8.3.1 Options 37 37 37 37 37 37 37 S A M 37 37 37 37 37 O P 1 X X X 37&...
EN 42 L01.2E AB Alignments Note: Name FM channel can be enabled only when OP42: STEREO_PB FM_RADIO = 1. 0 : For AP_PAL, chip MSP3465 is not present, 1 : For AP_PAL, chip MSP3465 is present, OP26: SMART_PICTURE Default setting : 0.
Alignments L01.2E AB EN 43 100 : BG/I/DK/M OP61: SMART_TEXT Default setting : 00 0 : Smart Text Mode and Favourite Page are disabled or not applicable, OP73: COLOR_SYSTEM_AP 1 : Smart Text Mode and Favourite Page are enabled, This option bit is allocated for AP-PAL colour system selection.
EN 44 L01.2E AB Alignments YD (Y-delay adjustment) Fixed value is 7. VERT. SLOPE CL (Cathode drive level) Fixed value is 5. VERT. SHIFT Read only bit, for monitoring purpose only. VERT. AMPLITUDE Read only bit, for monitoring purpose only.
Alignments L01.2E AB EN 45 • V60. Align straight vertical lines if NTSC input (60 Hz) is used i.s.o. PAL (50 Hz). See also Figure 8-9 numbers 1, 3, 4, and 2. In the table below, you will find the GEOMETRY default values for the different sets.
EN 46 L01.2E AB Circuit Description 9. Circuit Description Index of this chapter: 9.1 Introduction 9.2 Audio Signal Processing 9.3 Video Signal Processing 9.4 Synchronisation 9.5 Deflection 9.6 Power Supply 9.7 Control 9.8 Abbreviation list 9.8 Abbreviation list Notes: •...
Circuit Description L01.2E AB EN 47 AUDIO SOURCE SELECTION EXT. AUDIO 7801 7861 INPUT 7831 EXT. AUDIO OUT CONTROL AUDIO DECODING 7209 7210 7901 PROCESSING SELECTION FM IF AUDIO MATR. SWITCH BUFFER AMPL. 7834 7835 7200 RF ANT. SOUND FM ANT.
EN 48 L01.2E AB Circuit Description 9.2.3 FM radio (if present) 7200 The FM radio uses the 10.7 MHz concept. This SIF frequency is available at pin 10 of the tuner. Via a pre-amplifier (TS7209 RGB/YUV INSERT 56 58 PANEL...
Circuit Description L01.2E AB EN 49 signal. It operates in such a way that maximum stretching 9.3.7 RGB Amplifier is obtained when signals with a low video level are received. For bright pictures, stretching is not active. From outputs 56, 57 and 58 of IC7200, the RGB signals are •...
EN 50 L01.2E AB Circuit Description 9.5.2 Vertical Drive SUPPLY START-UP V CC DRAIN A divider circuit performs the vertical synchronisation. The MANAGEMENT CURRENT SOURCE clamp vertical ramp generator needs an external resistor (R3245, pin internal UVLO start n.c. VALLEY...
Circuit Description L01.2E AB EN 51 Degaussing Control Circuit B1/B2 Main Supply Focus n⋅V Mains AC Input Main Power Panel VideoSupply Supply Main Aux Filament Tilt& Rotation Degaussing GATE Circuit VlotAux +13V 3V3 Reg. Correction Horizontal Vaux Deflection GATE +3.9V +3.3V...
EN 52 L01.2E AB Circuit Description The moment that the voltage on pin 1 drops below the ‘under voltage lock out‘ level (UVLO = ± 9 V), the IC will stop switching and will enter a safe restart from the rectified mains voltage.
Circuit Description L01.2E AB EN 53 In Standby, the power supply works in ‘burst mode’. Burst mode can be used to reduce the power consumption Active/ below 1 W at stand-by. During this mode, the controller is active inactive (generating gate pulses) for only a short time and for a longer time inactive waiting for the next burst cycle.
EN 54 L01.2E AB Circuit Description Over Power Protection 9.7.1 Introduction During the primary stroke, the rectified AC input voltage is measured by sensing the current drawn from pin 4 (DEM). This The microprocessor part of the UOC has the complete control current is dependent on the voltage on pin 9 of transformer and teletext on board.
Circuit Description L01.2E AB EN 55 – 9.5 to 12 V: EXTERNAL 4:3 Abbreviation list • SEL-MAIN-FRNT-RR This is the ‘source select control’ signal from the microprocessor. This control line is under 2 Carrier (or Channel) Stereo user control or can be activated by the other two control Automatic Channel Installation: lines.
EN 56 L01.2E AB Circuit Description Headphone Service Default Mode Colour phase control for NTSC (not SECAM SEequence Couleur Avec Memoire. the same as ‘Tint’) Colour system mainly used in France Monochrome TV system. Sound and East Europe. Colour carriers = carrier distance is 6.0 MHz...