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Philips PS1966C122, Technical Service Data

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Philips PS1966C122 Technical Service Data Download Page 63

PS1966C122(7584) -  FRONT CINCH + HEADPHONE - SECT. A11 SCHEMATIC

Page: 10 of 26

Summary of Contents for PS1966C122

Page 1: ...ARIZE HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES CAUTION USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING Philips Electronics North America Corporation Visit our World Wide Web Site at http www forceonline com Manual 7584 Model no PS1966C122 First Publish 4 16 1999 Rev Date 5 5 1...

Page 2: ... the degaussing coil at least six feet from the television before disconnecting it from its power source Service Mode Introduction 1 There are three service modes used in the E8 chassis They are a SDM Service Default Mode b SAM Service Alignment Mode c CSM Customer Service Mode 2 The Service Default Mode SDM is a technical aid for the service technician It is used for setting of options reading er...

Page 3: ...ng and or blanking of Not Favorite channels Automatic storing of Personal Preset settings Automatic user menu time out menu switches back or OFF automatically Service Default Mode SDM 1 The Service Default Mode SDM set the option codes and bytes of the set and display the error codes the Power LED begins blinking procedure for error code display if errors are detected SDM also overrides software p...

Page 4: ...rvice Default Mode and save the error codes unplug the ac cord to turn off the set When the set is turned on again the Service Default Mode will still be active Explanation of Display Run Timer The run timer counts the normal operation hours not the standby hours The actual value of the run timer is displayed in SDM and CSM The run timer displays hours in hexadecimal format This display will incre...

Page 5: ...nal RAM of microprocessor IC 7600 Other error codes are Signal processor IC 7250 start up error EEPROM check sum error The last five errors remembered in the EEPROM are shown in the service menu This is called the error buffer The error that is found last is displayed on the left except when protection 1 to 3 is active Errors 1 2 and 3 are often shown at the right of the error buffer display whene...

Page 6: ... do the following a Remove ac power b Use a jumper to connect pin 0224 to pin 0228 at IC 7601 D 3 c Apply ac power read the error codes see LED Sequence List below d If there is no LED indication take the following steps as needed Power on Press 0 6 2 5 9 6 Menu on the remote control Note Some indications take 30 seconds or longer to appear on the LED 3 LED Sequence List a Wait for long LED on 1 5...

Page 7: ...le CK OFF ON Child Lock CL OFF ON V Chip VC OFF ON V Chip Block Unrated VU OFF ON Block No Rating V Chip VN OFF ON Smart Sound SS OFF ON Smart Picture SP OFF ON Remote Control Type RC OFF RC0702 04 remote control ON All other remote controls Channel Select Time Window TW OFF 2 second time window ON 5 second time window Surf SF OFF ON Video Mute Channel Change VM OFF ON Tuner Type TN OFF Philips tu...

Page 8: ...ode Values OFF Disabled hotel mode cannot be entered ON Enabled hotel mode can be entered Option DM Demo Mode Function Enable disable the possibility to enter demo mode Values OFF Disabled demo mode is not active ON Enabled demo mode is active Option GM Games Mode Function Enable disable games function Values OFF Disabled Games command is ignored ON Enabled Games command is processed Option CK Clo...

Page 9: ...F Disabled no video mute during channel change ON Enabled video muted during channel change Option TN Tuner Type Function Choose the tuner type that is configured in the hardware Values OFF Philips tuner A Philips tuner will have the Philips name embossed on the side ON ALPS tuner An ALPS tuner will not have the Philips name embossed on the side Option FT Fine Tuning Function Enable disable fine t...

Page 10: ...alues OFF Disabled video processor standby is not active ON Enabled video processor standby is active Option AS Video Processor Auto Startup Function Enable disable video processor auto startup Values OFF Enabled video processor is in auto startup mode ON Disabled video processor is switched on under control of microcontroller Option BT Bass Treble Control Boost Function Enable disable bass and tr...

Page 11: ... remote control transmitter 0 6 2 5 9 6 Status Do not allow the display to time out between entries while keying the sequence SAM can also be entered by pressing the Channel Down and Volume Down keys on the local keyboard simultaneously while in SDM mode When Service Alignment Mode is entered the text SAM will be displayed in the top right corner of the screen 3 When Service Alignment Mode is ente...

Page 12: ...the top level SAM menu 8 Press the Menu button on the remote control while in SAM to switch the software to a Virtual Customer Mode the text SAM will still be displayed in the upper right corner of the screen In this mode all customer menu adjustments to the set can be made From the Virtual Customer Mode press the Menu button to return to the SAM Menu 9 Press the Status button on the remote contro...

Page 13: ...he following items IF PLL AFW AGC YD CL AFA and AFB The items AFA and AFB cannot be selected they are for monitoring purposes only The item values are stored in EEPROM if this sub menu is left A sample display of the Tuner sub menu is shown below ...

Page 14: ...he Menu Up Down keys to highlight AGC 5 Use the Menu Right key to raise the value of AGC until snow appears in the picture 6 Then use the Menu Left Right keys to reduce AGC value until the snow disappears a AGC values between 10 and 20 are nominal b Single digit AGC values may cause overload 7 Upon completion of Tuner adjustment press the Menu button to return to the top level SAM menu White Tone ...

Page 15: ...arm steps of color temperature in the customer menu Standard factory settings are given as the default values DELTA COOL GREEN 1 DELTA COOL BLUE 7 WARM DELTA WARM RED 0 DELTA WARM GREEN 4 DELTA WARM BLUE 12 White Tone Adjustments Note The following procedure was performed with a Sencore VG91 Universal Video Generator providing grey scale bars 1 Enter the Service Alignment Mode SAM by pressing the ...

Page 16: ...t Right keys to adjust the values to obtain the best white balance 8 A reasonable starting point for NORMAL is Normal Red 37 Normal Green 33 Normal Blue 35 9 After NORMAL is set use the same method to set DELTA COOL and DELTA WARM as offsets A reasonable starting point for DELTA COOL is Delta Cool Red 0 Delta Cool Green 1 Delta Cool Blue 3 A reasonable starting point for DELTA WARM is Delta Warm R...

Page 17: ...transmitter 0 6 2 5 9 6 Status Do not allow the display to time out between entries while keying the sequence 2 From the top level SAM menu use the Menu Up Down keys to highlight the Geometry sub menu 3 Use the Menu Left Right keys to enter the Geometry sub menu 4 In the Geometry sub menu use the Menu Up Down buttons to select VAM 5 Input a center cross pattern to the antenna cable input terminal ...

Page 18: ...utton to return to the top level SAM menu Vertical Slope VSL 1 Enter the Service Alignment Mode SAM by pressing the following key sequence on the remote control transmitter 0 6 2 5 9 6 Status Do not allow the display to time out between entries while keying the sequence 2 From the top level SAM menu use the Menu Up Down keys to highlight the Geometry sub menu 3 Use the Menu Left Right keys to ente...

Page 19: ...er the Geometry sub menu 4 In the Geometry sub menu use the Menu Up Down buttons to select SBL 5 Use the Menu Left Right keys to toggle SBL ON or OFF 6 With SBL on VSH can be used to center the raster on the fiduciary marks the small notches in the phosphor on the right and left edge of the CRT These are absolute center 7 If other Geometry adjustments are needed proceed to the necessary adjustment...

Page 20: ... the Menu button to return to the top level SAM menu Convergence and Purity Adjustments Notes 1 The following adjustments were performed with a Sencore VG91 Universal Video Generator 2 Set the VG91 Generator as follows STD TV Ch 3 RF IF Range set to HI RF IF Level set to NORMAL 1 Video Pattern Raster R G B raster controls OFF Mode Switch set to L R Audio Frequency set to 300Hz and 0 Pilot max CCW ...

Page 21: ...y Adjustment 1 Connect a solid white pattern signal to the antenna cable input terminal 2 Use the Menu Up Down keys to select Normal Blue and use the Menu Left key to set Normal Blue to minimum 3 Use the Menu Up Down keys to select Normal Red and use the Menu Right key to set Normal Red to maximum 4 Slowly spread the 2 X pole purity rings to center the red portion of the screen leaving the same am...

Page 22: ...2 Use the Power Button on the remote control or the local keyboard to turn the set ON without a signal and rotate VG2 clockwise until snow is visible 3 Enter Service Alignment Mode refer to Service Alignment Mode section 4 Enter the Virtual Customer Menu by pressing the Menu button on the remote and set brightness and picture to 31 and color to 0 5 Apply an NTSC color bar signal to the antenna cab...

Page 23: ...nnel Down keys For more information on lines 1 2 and 3 see SDM section Explanation of Display Line 1 displays the run timer and the software identification cluster and version Line 2 displays the error buffer contents the word error is not used on this screen instead codes is used Line 3 displays the option code information Line 4 displays SYS This is not used Lines 5 through 8 display information...

Page 24: ...eyboard except POWER for more than 4 seconds Channel down RC or local keyboard Channel up RC or local keyboard Restore picture sound and feature settings that were stored during entry Other key Off Exit CSM when the set is switched on picture sound and feature settings that were stored during entry are restored RC or local keyboard Exit CSM Chassis to Parts Usage Matrix Display Part Usage Matrix C...

Page 25: ... Display Industrial Chassis Listings ...

Page 26: ... Display the Convergence and Purity Assembly ...

Page 27: ... Display the 2Y Spread and 2X Rotate Graphic ...

Page 28: ... Display Figures 3a 3b 3c 4a 4b 4c of Wedge Placement Graphic ...

Page 29: ... Display Figures 5 6 of Yoke Tilt Graphic ...

Page 30: ... Display USA Canadian Chissis Listings ...

Page 31: ...MILIARIZE HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES CAUTION USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING Philips Electronics North America Corporation Visit our World Wide Web Site at http www forceonline com Manual 7584 Model no PS1966C122 First Publish 4 16 1999 Rev Date 5...

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Page 40: ...CT MICRO P 7600 14 VERTICAL JITTER ON PREMIUM CABLE 15 VOLUME GOES DOWN BY IT SELF No 1 Manual Number 7584 BELLY CLOCK IN MODEL 13PT30 SYMPTOMS A The analog clock on the front of the TV is not matching it s time display to the on screen clock B Incorrect analog clock operation after plug in to AC power CURE Replace R 3632 on the interface panel PWB with 22K 1 10 watt SMD Service Code 4835 111 3744...

Page 41: ...966C121 PS1966C122 PS1966C125 SEC919C125 TL9119C125 XR1305C121 XR1391C121 XR1903C121 XR1903C122 XR1903C125 XS1956C121 XS1956C122 XS1956C125 No 3 Manual Number 7584 DOTS AND SWIRLS USING RABBIT EARS SYMPTOM Dots and swirls of dots when operating on rabbit ear antenna Most often on channels 2 to 6 CAUSE Switch Mode Power Supply SMPS noise IMPROVEMENT Replace as follows Resistor 3525 change from 22R ...

Page 42: ...25 19PS56C121 19PS56C122 19PS56C125 19PT10C125 20LL290122 20LL290125 20LL291125 20LW292222 20LW292225 20LW293225 20LX290322 20LX290325 20PT30B1 21LW392221 21LW393221 CH1919C125 HC9913C121 HC9919C1 PA9019C121 PC9219C1 PC9219PKIT PL9119C125 PR1305C121 PR1319C121 PR1390C121 PR1391X121 PR1903C121 PR1903C122 PR1903C125 PR1920C121 PR1920C122 PR1920C125 PR1920C601 PR1920C699 PS1946C121 PS1946C122 PS1946C...

Page 43: ...903C125 XS1956C121 XS1956C122 XS1956C125 No 7 Manual Number 7584 NEW SERVICE JUMPERS NEW WAY TO READ ERRORS INFORMATION Due to parts availability there will be a change in the layout and operation of the E8 and F8 chassis This change can be identified by the location of the Service Jumper pins Service Default Mode pins have been in coordinates D 3 since production start The pins are close to the m...

Page 44: ...ed For PR XR1305 PR XR1903 HD2511 and TR XR2503 the new Service Code is 9352 671 01112 7600 micro P Until the new code is available the current code 9352 653 70112 is shipped For 13PT30 use 9352 641 28112 as 7600 no change For 20PT30 use 9352 653 73112 no change No 8 Manual Number 7584 OPTIONS FOR 13PT30 INFORMATION The Option Bytes for the 13PT30 EME810 are 230 255 135 229 058 134 216 No 9 Manual...

Page 45: ... unneeded channels All remaining channels will allow offset tuning capture 2 Correct the offset source VCR etc or Auto Program again with the new signal re cable present This is expected to resolved with a software update as a running change Applies To 13E8 13PR19C121 13PT30L121 13PT30L601 13PT30L699 14LL190121 14LL191121 14LW192221 14LW193221 14LX190321 19E8 19PR19C121 19PR19C122 19PR19C125 19PS5...

Page 46: ...he stereo portion of the signal when the VCR is in the VCR mode Playing a stereo tape on a stereo VCR will not deliver stereo to the TV antenna coax connector only to the A V jacks TO AUDIO VIDEO JACKS ON TV TV broadcast stereo may be heard by the using TV A V jacks if two conditions are met 1 The VCR has a stereo decoder built in Only a few older VCR s have this This decoder is called MCTS Multi ...

Page 47: ...35 310 57477 For the Philips 20PT30 EME838 use 9352 653 73112 For the Philips 13PT30 EME810 use 9352 641 28112 No 14 Manual Number 7584 VERTICAL JITTER ON PREMIUM CABLE SYMPTOM Vertical bounce jitter on Premium Decoded scrambled cable channels CAUSE Non standard decoded sync output by cable box CURE Replace Micro P 7600 with special IC that has option VS avilable VS is an available option in the S...

Page 48: ...Page 9 of 9 Chassis 19E8 Resistor 3682 is missing from KB1 line Replace with 3198 011 08220 ...

Page 49: ...FAMILIARIZE HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES CAUTION USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING Philips Electronics North America Corporation Visit our World Wide Web Site at http www forceonline com Manual 7584 Model no PS1966C122 First Publish 4 16 1999 Rev Date...

Page 50: ...eramic 3198 016 03910 2341 2200pF 1kV Ceramic 2020 558 90571 2342 0 047uF 250V Metalized Polyester 2222 368 90176 2343 0 047uF 250V Metalized Polyester 2222 368 90176 2400 0 047uF 250V Metalized Polyester 2222 368 90176 2401 0 047uF 250V Metalized Polyester 2222 368 90176 2402 300pF 5 50V Ceramic 3198 016 03310 2403 1500pF 10 500V Ceramic 3198 019 41520 2405 470pF 10 2kV Ceramic 4835 122 47638 240...

Page 51: ...or 2306 207 03398 S 3417 1 ohm 5 1 2W Metal Film 4835 110 27012 3418 120k 1 1 2W Metal Film 2322 156 21204 3419 47k 1 1 2W Metal Film 2322 156 24703 3420 1k 5 1 10W Metal Film 4822 051 10102 3421 100 ohm 5 1 10W Metal Film 4835 111 37432 3423 10k 5 1 6W Carbon Film 3198 011 01030 3424 6 8k 5 1 10W Metal Film 4835 111 37272 3425 100 ohm 5 1 10W Metal Film 4835 111 37432 3426 10k 5 1 10W Metal Film ...

Page 52: ...king Coil 27uH 5 4835 157 67052 5552 Fixed Coil 3198 018 90010 5571 Fixed Coil 22uH 10 3198 018 22290 5572 Fixed Coil 3198 018 90010 5573 Coil 120 ohm 100MHz 4835 157 67078 5603 Coil 6 8uH 5 3198 018 16880 5604 Coil 4 7uH 10 2422 535 95662 6007 Zener Diode BZX79 C33 4835 130 37904 6116 Zener Diode BZX79 C6V8 4835 130 37945 6161 Zener Diode BZX79 C6V8 4835 130 37945 6212 Diode 1N4148 4835 130 37048...

Page 53: ...026 34710 2957 0 22uF 25V Ceramic 3198 023 22240 2962 3300pF 10 50V Ceramic 3198 017 03320 2963 0 22uF 25V Ceramic 3198 023 22240 2965 0 22uF 25V Ceramic 3198 023 22240 3807 100 ohm 5 1 6W Carbon Film 3198 011 01010 3808 100 ohm 5 1 6W Carbon Film 3198 011 01010 3809 47k 5 1 10W Metal Film 4835 111 37445 3810 100 ohm 5 1 10W Metal Film 4835 111 37432 3811 100 ohm 5 1 10W Metal Film 4835 111 37432 ...

Page 54: ...PS1966C122 7584 POWER SUPPLY SECT A1 SCHEMATIC Page 1 of 26 ...

Page 55: ...PS1966C122 7584 LINE DEFLECTION SECT A2 SCHEMATIC Page 2 of 26 ...

Page 56: ...PS1966C122 7584 FRAME DEFLECTION SECT A3 SCHEMATIC Page 3 of 26 ...

Page 57: ...PS1966C122 7584 SYNCRONIZATION SECT A4 SCHEMATIC Page 4 of 26 ...

Page 58: ...PS1966C122 7584 TUNER VIDEO IF SECT A5 SCHEMATIC Page 5 of 26 ...

Page 59: ...PS1966C122 7584 VIDEO PROCESSING SECT A6 SCHEMATIC Page 6 of 26 ...

Page 60: ...PS1966C122 7584 CONTROL PROCESSOR SECT A7 SCHEMATIC Page 7 of 26 ...

Page 61: ...PS1966C122 7584 FRONT CONTROL SECT A8 SCHEMATIC Page 8 of 26 ...

Page 62: ...PS1966C122 7584 SMART SOUND AMPLIFIER SECT A10 SCHEMATIC Page 9 of 26 ...

Page 63: ...PS1966C122 7584 FRONT CINCH HEADPHONE SECT A11 SCHEMATIC Page 10 of 26 ...

Page 64: ...PS1966C122 7584 REAR I O CINCH SECT A12 SCHEMATIC Page 11 of 26 ...

Page 65: ...PS1966C122 7584 CRT PANEL SECT B SCHEMATIC Page 12 of 26 ...

Page 66: ...PS1966C122 7584 DECODER PANEL SECT D1 SCHEMATIC ASD049 051 052 Page 13 of 26 ...

Page 67: ...PS1966C122 7584 DECODER PANEL SECT D2 SCHEMATIC ASD049 051 052 Page 14 of 26 ...

Page 68: ...PS1966C122 7584 CHANNEL 1 CARD A10680 SCHEMATIC Page 15 of 26 ...

Page 69: ...PS1966C122 7584 PRO VIDEO CARD A10758 SCHEMATIC Page 16 of 26 ...

Page 70: ...PS1966C122 7584 PRO VIDEO JACK PANEL A10759 SCHEMATIC Page 17 of 26 ...

Page 71: ...PS1966C122 7584 CLOCK SCHEMATIC Page 18 of 26 ...

Page 72: ...PS1966C122 7584 EVENT TIMER SCHEMATIC Page 19 of 26 ...

Page 73: ...PS1966C122 7584 MAIN CHASSIS PCB TOP VIEW Page 20 of 26 ...

Page 74: ...PS1966C122 7584 MAIN CHASSIS PCB BOTTOM VIEW Page 21 of 26 ...

Page 75: ...PS1966C122 7584 ASD049 051 052 DECODER PANEL PCB TOP VIEW Page 22 of 26 ...

Page 76: ...PS1966C122 7584 ASD049 051 052 DECODER PANEL PCB BOTTOM VIEW Page 23 of 26 ...

Page 77: ...PS1966C122 7584 OVERALL BLOCK DIAGRAM Page 24 of 26 ...

Page 78: ...PS1966C122 7584 POWER SUPPLY BLOCK DIAGRAM Page 25 of 26 ...

Page 79: ...PS1966C122 7584 POWER SUPPLY TRAINING DIAGRAM Page 26 of 26 ...

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