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Panasonic CT32E14J - 32" COLOR TV, Service Manual

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Panasonic CT32E14J - 32

of resolution following the decimal point. Example: 000.0000

4. Place the receiver into service mode for making electronic 

adjustment, select the clock adjustment DAC “CLOCK”.

5. Calculate and set “CLOCK” based on the following formula:

NOTE
TP017 (IC001 pin 79) measurement will not change regardless of the value stored in CLOCK.

13.8. Service Adjustments Mechanical Controls

WIDTH CORRECTION ADJUSTMENT

Note
Perform this adjustment only when FBT is changed.

FOCUS (PART OF T551)

Preparation
Apply a crosshatch pattern with dots.

Procedure

1. Adjust the FOCUS VR to obtain the sharpest and clearest dot 

pattern.

- Adjust for best center.
- Adjust for best area between the center and top right corner.

14. Identification of Components

14.1. Back Cover Removal

Back Cover Removal (CT-20G8G/CT-20G8SG/CT-20L8G).

37

Summary of Contents for CT32E14J - 32" COLOR TV

Page 1: ...al is issued to add listed models to the main service manual order No MTNC030623C1 CT 25L8G A complete parts list and schematics are included in this simplified service manual Please file and use this simplified servicemanual together with the main service manual order No MTNC030623C1 CT 25L8G ...

Page 2: ...re 14 7 lbs per sq in Do not nick or scratch the glass or subject it to any undue pressure When handling usesafety goggles and heavy gloves for protection Discharge the picture tube by shorting the anode to chassis ground not to the cabinet or to other mounting hardware When discharging connect cold ground i e dag ground lead to the anode with a wellinsulated wire or use a grounding probe Avoid pr...

Page 3: ...l 229 Sencore model PR57 or equivalent may be used in the above procedure in which case any current measure must not exceed 0 5 milliamp Ifany measurement is out of the specified limits there is a possibility of a shock hazard and the receiver must be repaired and rechecked before it is returned to the customer Hot check circuit Insulation test Connect an insulation tester between an exposed metal...

Page 4: ...rd capacitor may also be limited for the same reason It is recommended that identical components be used Chip resistor have a three digit numerical resistance code 1st and 2nd significant digits and a multiplier Example 162 1600 or 1 6k resistor 0 0 jumper Chip capacitors generally do not have the value indicated on the capacitor The color of the component indicates the general range of the capaci...

Page 5: ... than 3 seconds How to replace flat ic required tools 1 Remove the solder from all of the pins of a Flat IC by using a desolder braid 2 Put the iron wire under the pins of the Flat IC and pull it in the direction indicated while heating the pins using a soldering iron A small awl can be used instead of the iron wire 3 Remove the solder from all the pads of the Flat IC by using a de solder braid 5 ...

Page 6: ...older bridge between the pins or for dry joint between pins and soldering pads To remove a solder bridge use a de solder braid as shown in the figure below IMPORTANT To protect against possible damage to the solid state devices due to arching or static discharge make certain that all ground wires and CRT DAG wire are securely connected CAUTION The power supply circuit is above earth ground and the...

Page 7: ...componentfailure Equipment 1 Isolation transformer 2 High voltage meter 3 D C Ammeter 4 Short jumper 5 HHS jig See figure below Diode Connection Jumper Preparation 1 Make sure the receiver is turned off 2 Connect the receiver to an isolation transformer 3 Connect the ammeter serial from the flyback anode lead to the picture tube anode socket 4 Prepare short jumper and HHS jig Procedure 1 Connect t...

Page 8: ...uit is replaced for servicing follow the next procedure once that the memory is properly assembled 1 Enter to service mode 2 Turn the TV set ON 3 Once inside service mode the first image that appears on screen is the ID1 register with the respective address value FF like the image below Note All 3 registers ID1 ID2 ID3 should appear with FF values if a new EEPROM is assembled 4 With VOL keys adjus...

Page 9: ...ough other types are available This model uses Pb Free solder in it s manufacture due to environmental conservation issues For service and repair work we d suggest the use of Pb free solder as well although Pb solder may be used PCBs manufacturedusing lead free solder will have the PbF or a leaf symbol stamped on the back of PCB CAUTION Pb free solder has a higher melting point than standard solde...

Page 10: ...ree solder There are several kinds of Pb free solder available for purchase This product uses Sn Ag Cu tin silver copper solder However Sn Cu tin copper Sn Zn Bi tin zinc bismuth solder can also beused 5 Receiver feature table 10 ...

Page 11: ... TREBLE X A V IN REAR FRONT 3 2 1 COMPONENT INPUT Y Pb Pr 1 S VIDEO INPUT REAR FRONT 1 0 DIMENSIONS WxDxH 943 0x644 0x780 0mm 37 12x25 35x30 7in WEIGHT Kg Lbs 49 5 109 13 VIDEO INPUT JACK 1Vp p 75 phono jack AUDIO INPUT JACK 500mV RMS 47k HEADPHONE JACK X Note Specifications are subject to change without notice or obligation Dimensions and weights are approximate 6 Board description table BOARD PA...

Page 12: ...EXAMPLE To order the A Board the replacement board is TNP2AH060KCS 7 TV Location of controls 8 Location of controls remote 8 1 EUR7613ZB0 12 ...

Page 13: ...rom the back of the receiver NOTE Screw configuration type and number of screws vary depending on the model of the receiver serviced and the application various models are covered in this manual Use same hardware when reassembling the receiver 3 screws at the top edge of the receiver 2 screw by the A V jacks 1 screw at each lower corner of the receiver 1 screw by the Flyback 1 screw by the A C cor...

Page 14: ...n insertthe wire in the opening and press on it until it is fully inserted and locked in place Use the same procedure of the focus wire Carefully disconnect C1 C2 C10 and C11 Focus cable release Speakers Each speaker is secured to the cabinet with 4 screws NOTE When reassembling speakers be sure to connect the speaker wires to the correct speaker lead 9 1 Disassembly for CRT replacement 1 Discharg...

Page 15: ... corner of the CRT 5 Remove the CRT with the degaussing coil and the dag ground braid attached 6 Note the original locations and mounting of the degaussing coil and the dag ground assembly to insure proper reinstallation on the replacement CRT To remove and remount the degaussing coil Unhook the coil spring from the bottom corners of the CRT ears Release the braid loop from the upper corners of th...

Page 16: ... should not require adjustment unless controls and or associated components are replaced Note Connect the lead of the voltmeter to the appropriate ground Use IC801 s heat sink when the HOT ground symbol is used Otherwise use COLD ground tuner shield IC451 s heat sink or FA2 Component and voltage test points 16 ...

Page 17: ...CTURE menu 2 Connect the DVM between C825 side or TPD14 and cold ground 3 Confirm that B voltage is 131 0V 2 0V This voltage supplies B to the horizontal output and flyback circuits Source voltage chart 120V AC line input Set the BRIGHT and the PICTURE to minimum by using the PICTURE menu Use cold or hot ground for the lead of the DVM as needed 17 ...

Page 18: ...ny mechanical controls Instead of adjusting mechanical controls individually many of the control functions are nowperformed by using on screen display menu The service adjustment mode NOTE It is suggested that the technician reads all the way through and understand the following procedure for entering exiting the service adjustment mode then proceed with the instructions working with the receiver ...

Page 19: ...TION to enter the adjustment Exiting the service mode This TV goes out from service mode when it is unplugged or turned OFF To exit the service mode turn the TV OFF from or unplug the TV from A C Other method Press ACTION and POWER on the receiver simultaneously for at least 2 seconds The receiver momentarily shuts off then comes back on tuned to channel 3 with a preset level of sound Any programm...

Page 20: ... service is performed 11 1 Service adjustment default values for items NAME DESCRIPTION REGISTER VALUE MTSIN MTS INPUT LEVEL 31 SEPAL MTS LOW LEVEL SEPARATION 0C SEPAH MTS HIGH LEVEL SEPARATION 29 CLOCK CLOCK 124 HHSTH HHS VOLTAGE LEVEL REFERENCE 9A COLOR COLOR 01 B0 TINT TINT 43 BRIGH SUB BRIGHTNESS 49 CONT SUB CONTRAST 3A B Y_G MAGENTA TINT ADJ 7F CUT_G GREEN CUT OFF 02 07 CUT_R RED CUT OFF 02 3...

Page 21: ...ept for the ID switch values Note The correspondent ID switch ID1 ID2 ID3 data configuration should not be modified in any way If EEPROM circuit needs to be replaced these ID values should be configured according with this table 12 Service adjustments electronic controls NOTE Please correlate with available pattern on all adjustments 12 1 Sub Brightness and Contrast Service DAC adjustment BRIGH CO...

Page 22: ...47G See waveform detail 2 In service mode select DAC for contrast adjustment CONT and adjust data to obtain 2 9 0 2V between 7 5IRE and 100IRE level at TP47G See waveform detail 12 2 Color output adjustment Service DAC adjustment COLOR TINT NOTE if a rainbow pattern generator is available perform the following procedure the next section describes the procedure with no rainbow pattern Make sure tha...

Page 23: ...t TINT register until the waveform measured is as the one shown Tint level from A and B peaks must be almost in the same level 0 35 Vpp TP37 Waveform TP47B 4 Connect the oscilloscope to TP35 and GND 5 Adjust COLOR register so that the amplitude is 0 9 0 05Vp p TP35 Waveform TP47G 12 3 Color output adjustment Service DAC adjustment COLOR TINT B Y_G NOTE Color and tint adjustment sets the reference ...

Page 24: ...t blue and green seem natural 6 Confirm that saturation and picture are normal normal image 7 If image is not satisfactory repeat adjustment until the image is normal and natural NOTE The image can be compared against other set to see the image quality 12 4 Color temperature adjustment B W Tracking Service DAC Adjust CUT R CUT G CUT B R DR B DR Minor Touch Up Method OBSERVE low and high brightness...

Page 25: ... 00 R DR_______________________07 FF B DR_______________________07 FF PROCEDURE 1 Connect the oscilloscope to KG CRT Board 2 In service mode for making electronic adjustment select BRIGH DAC 3 Press RECALL button on the remote control to collapse the raster service SW 4 Connect oscilloscope to KG on C Board and adjust service mode CUT G DAC until 195 2V above DC ground is measured 5 Remove the pro...

Page 26: ...h red CHK displayed press POWER button on remote to display the service menu then press and hold RECALL button for at least three seconds a reset message will appear in the image Use this feature when deflection adjustment gets off adjustment to the point that it cannot be adjusted back easily 12 5 1 H Center adjustment PREPARATION 1 Apply a crosshatch pattern 2 Normalize the picture settings PROC...

Page 27: ...r and lines are straight check mark on CRT sides 2 Apply a crosshatch pattern 3 Adjust PCC data to make lines straight 4 Adjust H WID data to correct vertical size of the image 5 Adjust VEAMP data to correct vertical size of the image 12 5 3 Vertical linearity V C V Size and V Position adjustment PREPARATION 1 Apply a crosshatch pattern 2 Normalize the picture settings PROCEDURE 1 Enter service mo...

Page 28: ... VEAMP register for correct vertical size by making monoscope round circle leaving 4 marks off the CRT edge Vertical centering adjustment 12 5 4 V S Correction adjustment PREPARATION 1 Apply a crosshatch pattern 2 Normalize the picture settings PROCEDURE 1 Enter to service mode 2 Check a and b sizes If b a 1 5mm in top bottom extending case Increase V S DATA by one step NOTE 28 ...

Page 29: ...atch pattern 2 Normalize the picture icon video adjustments Procedure 1 Enter service mode select TRAP and adjust DATA so that lines at right and left are vertical like a solid line 12 5 6 PCC adjustment PCC This adjustment helps to correct left and right curved sides of picture PREPARATION 1 Apply a crosshatch pattern 2 Normalize the picture icon video adjustments Procedure 29 ...

Page 30: ...osshatch pattern 2 Normalize the picture icon video adjustments Procedure 1 Adjust TOPG and TOPSL data to correct upper side of the image linearity 2 Adjust BTMG and BTMSL data to correct lower side of the image see figure below Top and bottom adjustment 12 6 MTS circuit adjustments The MTS circuit adjustments require two steps 1 Input level adjustment 2 Stereo separation adjustment Input level ad...

Page 31: ...PEN P S 10dB Make sure that the 75 s pre emphasis is OFF 2 Adjust the MTS input level adjustment MTSIN data until the RMS voltage measured is 120 4 0mVrms Stereo separation adjustment SEPAH PREPARATION 1 Connect an R F signal generator to the RF antenna input 2 Connect a scope to TPE10 PROCEDURE 1 Select stereo mode in audio menu 2 Apply the following signal from the RF signal generator Video 100 ...

Page 32: ...enerator Video 100 IRE flat field 30 modulation Audio 3KHz 30 modulation stereo left only 70 5dB 75 OPEN P S 10dB NOTE After setting 30 modulation with P L SW and N R SW OFF turn P L SW and N R SW ON 5 Adjust the MTS High level separation adjustment SEPAH until the amplitude displayed on the scope is minimum 6 Repeat above steps 2 through 5 until the amplitude is at minimum for both signals 13 Ide...

Page 33: ...13 1 1 C Board Chassis C Board component location 13 1 2 A Board Chassis 33 ...

Page 34: ...13 1 3 A Board Surface mounted components A Board bottom view 34 ...

Page 35: ...35 ...

Page 36: ...s 15 1 A Board Printed Circuit TNP2AH060 Left Side 15 2 A Board TNP2AH060 Right Side C Board TNP2AA167 Printed Circuit 16 Block Diagrams 16 1 Video Signal Block Diagram 16 2 Audio Signal Block Diagram 17 Schematics 17 1 English Schematic Notes 36 ...

Page 37: ...37 ...

Page 38: ...17 2 Notas de Esquematicos en Espa ñ ol 38 ...

Page 39: ...39 ...

Page 40: ...TNP2AH060KC 2 of 5 17 5 A Board Schematic TNP2AH060KC 3 of 5 17 6 A Board Schematic TNP2AH060KC 4 of 5 17 7 A Board Schematic TNP2AH060KC 5 of 5 17 8 C Board Schematic TNP2AA167KA 17 9 Voltages 17 10 Waveforms 18 Parts Location 19 Parts List 19 1 Parts List Notes 40 ...

Page 41: ...19 2 Parts List 41 ...

Page 42: ...TCJ2VC1H680J CAP C 68PF J 50V C012 ECJ2VB1C104K CAP C 1UF K 16V C013 TCJ2VC1H680J CAP C 68PF J 50V C016 ECA1AM101B CAP E 100UF 10V C017 TCJ2VC1H680J CAP C 68PF J 50V C018 TCJ2VF1H103Z CAP C 01UF Z 50V C019 ECA0JM102B CAP E 1000UF 6 3V C020 ECA1CM102B CAP E 1000UF 16V C021 TCJ2VF1H103Z CAP C 01UF Z 50V C031 TCJ2VC1H220J CAP C 22PF J 50V C032 ECA1AM470B CAP E 47UF 10V C034 TCJ2VC1H390J CAP C 39PF J ...

Page 43: ...3Z CAP C 01UF Z 50V C072 TCJ2VB1H221K CAP C 220PF K 50V C073 TCJ2VC1H101J CAP C 100PF J 50V C077 ECA1HM100B CAP E 10UF 50V C079 TCJ2VC1H220J CAP C 22PF J 50V C083 TCJ2VF1H103Z CAP C 01UF Z 50V C085 ECJ2VB1C104K CAP C 1UF K 16V C350 ECA1CM101B CAP E 100UF 16V C351 TCJ2VC1H331J CAP C 330PF J 50V C352 TCJ2VC1H331J CAP C 330PF J 50V C353 TCJ2VC1H331J CAP C 330PF J 50V C354 ECKW3D102KBR CAP C 100PF K 2...

Page 44: ...CM101B CAP E 100UF 16V C575 ECKR2H471KB5 CAP C 470PF K 500V C593 ECA1CM470B CAP E 47UF 16V C605 TCJ2VF1H103Z CAP C 01UF Z 50V C606 ECA0JM221B CAP E 220UF 6 3V C756 ECKR2H332KB5 CAP C 3300PF K 550V C759 ECQE1395KNB CAP P 3 95UF K 100V C760 ECQM2104KZW CAP P 1UF K 200V C763 ECKR3A121KBP CAP C 120PF K 1KV C800 ECKR3A221KBP CAP C 220PF K 1KV C801 ECKWAE472ZED CAP C 0047UF Z 250V C802 ECKWAE472ZED CAP ...

Page 45: ...CJ2VF1C105Z CAP C 1 0UF Z 16V C2301 ECA1EM102E CAP E 1000UF 25V C2302 ECA1HM010B CAP E 1UF 50V C2304 ECA1CM101B CAP E 100UF 16V C2307 ECA1CM102B CAP E 1000UF 16V C2308 ECJ2VF1H103Z CAP C 01UF Z 50V C2309 ECA1HM010B CAP E 1UF 50V C2312 ECA1HM010B CAP E 1UF 50V C2313 ECA1EM101B CAP E 100UF 25V C2317 ECA1CM102B CAP E 1000UF 16V C2319 ECA1HM010B CAP E 1UF 50V C2350 ECA1CM101B CAP E 100UF 16V C2351 ECA...

Page 46: ...C2532 ECA1HM4R7B CAP E 4 7UF 50V 46 ...

Page 47: ...M470B CAP E 47UF 16V C4324 TCJ2VF1H103Z CAP C 01UF Z 50V C4325 ECA1CM100B CAP E 10UF 16V DIODES D001 MAZ30680ML DIODE ZENER D002 MA2C165001VT DIODE D003 MAZ30510HL DIODE D006 MAZ33000HL DIODE D007 MAZ30510HL DIODE D010 MAZ40510MF DIODE ZENER D055 MAZ40330MF DIODE ZENER D360 MA2C165001VT DIODE D380 MA2C029WBF DIODE D451 B0EAKL000008 DIODE RECTIFIER D452 MA2C165001VT DIODE D505 D1NL40V70 DIODE D531 ...

Page 48: ...R D3009 MAZ31100ML DIODE ZENER D3010 MAZ31100ML DIODE ZENER D3011 CVS20B120MTA DIODE ZENER D3011 MAZ31100ML DIODE ZENER D3012 MAZ31100ML DIODE ZENER D3017 CVS20B120MTA DIODE ZENER D3017 MAZ31100ML DIODE ZENER D3018 MAZ31100ML DIODE ZENER D3019 CVS20B120MTA DIODE ZENER D3021 CVS20B120MTA DIODE ZENER D3023 CVS20B120MTA DIODE ZENER D3023 MAZ31100ML DIODE ZENER D3024 MAZ31100ML DIODE ZENER FUSES F801 ...

Page 49: ...IC3002 MM1501XNRE INT CKT 49 ...

Page 50: ... ELH5L7115 COIL HORIZONTAL LINEARITY L552 EXCELSA39V EMI BEAD CORE L751 ELC18B301L COIL CHOKE L752 TALL13N103JB COIL L753 EXCELSA35T FERRITE BEAD L755 EXCELSA39V EMI BEAD CORE L756 EXCELSA39V EMI BEAD CORE L801 ELF21V020A COIL L802 TALL08T470KA COIL L803 TALL08T680KA COIL L804 EXCELDR35V FERRITE BEAD L805 EXCELDR35V FERRITE BEAD L806 EXCELDR35V FERRITE BEAD L807 EXCELSA35T FERRITE BEAD L808 EXCELS...

Page 51: ...4500L TRANSISTOR Q2362 2SC584500L TRANSISTOR Q2363 2SA207700L TRANSISTOR Q3001 2SC584500L TRANSISTOR Q3002 2SC584500L TRANSISTOR Q3193 2SC584500L TRANSISTOR Q3194 2SC584500L TRANSISTOR RELAYS RL801 K6B1AGA00042 RELAY RESISTORS R001 ERJ6GEYJ103V RES M 10K J 1 10W R004 ERJ6GEYJ562V RES M 5 6K J 1 10W R005 ERJ6GEYJ471V RES M 470 J 1 10W R007 ERJ6GEYJ471V RES M 470 J 1 10W R008 ERJ6GEYJ223V RES M 22K ...

Page 52: ... RES M 100 J 1 10W R060 ERJ6GEYJ101V RES M 100 J 1 10W R061 ERJ6GEYJ221V RES M 220 J 1 10W R062 ERJ6GEYJ472V RES M 4 7K J 1 10W R063 ERDS2TJ101T RES C 100 J 1 4W R064 ERJ6GEYJ473V RES M 47K J 1 10W R065 ERDS2TJ101T RES C 100 J 1 4W R066 ERJ6GEYJ223V RES M 22K J 1 10W R067 ERJ6GEYJ223V RES M 22K J 1 10W R068 ERJ6GEYJ103V RES M 10K J 1 10W R069 ERJ6GEYJ123V RES M 12K J 1 10W R070 ERJ6GEYJ561V RES M ...

Page 53: ... 1 10W R381 ERJ6ENF1501V RES M 1 5K F 1 10W R382 ERJ6ENF1501V RES M 1 5K F 1 10W R383 ERJ6ENF3481V RES M 3 48K F 1 10W R384 ERJ6ENF7500V RES M 750 F 1 10W R385 ERDS1FJ150P RES C 15 J 1 2W R389 ERJ6GEYJ102V RES M 1K J 1 10W R390 ERJ6GEYJ102V RES M 1K J 1 10W R391 ERJ6GEYJ102V RES M 1K J 1 10W R411 ERJ6GEYJ682V RES M 6 8K J 1 10W R412 ERJ6GEYJ471V RES M 470 J 1 10W R413 ERJ6GEYJ103V RES M 10K J 1 10...

Page 54: ...02H RES M 1K J 2W R562 ERG2FJ270H RES M 27 J 2W R563 ERG3FJ150H RES M 15 J 3W R564 ERDS2TJ563T RES C 56K J 1 4W R565 ERDS2TJ683T RES C 68K J 1 4W R592 ERJ6GEYJ472V RES M 4 7K J 1 10W R605 ERDS2TJ103T RES C 10K J 1 4W R606 ERJ6GEYJ562V RES M 5 6K J 1 10W R607 ERJ6GEYJ102V RES M 1K J 1 10W R608 ERJ6GEYJ104V RES M 100K J 1 10W R713 ERDS2TJ123T RES C 12K J 1 4W R716 ERDS2TJ101T RES C 100 J 1 4W R756 E...

Page 55: ...0W R2361 ERJ6GEYJ221V RES M 220 J 1 10W R2362 ERJ6GEYJ221V RES M 220 J 1 10W R2363 ERJ6GEYJ332V RES M 3 3K J 1 10W R2364 ERDS2TJ103T RES C 10K J 1 4W R2364 ERJ6ENF1001V RES M 1K F 1 10W R2365 ERJ6ENF8200V RES M 820 F 1 10W R2366 ERJ6GEYJ331V RES M 330 J 1 10W R2367 ERJ6GEYJ102V RES M 1K J 1 10W R2368 ERJ6GEYJ102V RES M 1K J 1 10W R2369 ERJ6GEYJ271V RES M 270 J 1 10W R2370 ERJ6GEYJ222V RES M 2 2K J...

Page 56: ...70 J 1 10W R3038 ERJ6GEYJ562V RES M 5 6K J 1 10W R3039 ERJ6GEYJ183V RES M 18K J 1 10W R3041 ERJ6GEYJ472V RES M 4 7K J 1 10W R3042 ERJ6GEYJ472V RES M 4 7K J 1 10W R3101 ERJ6GEYJ334V RES M 330K J 1 10W R3102 ERJ6GEYJ334V RES M 330K J 1 10W R3103 ERJ6GEYJ334V RES M 330K J 1 10W R3104 ERJ6GEYJ334V RES M 330K J 1 10W R3131 ERJ6GEYJ223V RES M 22K J 1 10W R3132 ERJ6GEYJ223V RES M 22K J 1 10W R3133 ERJ6GE...

Page 57: ...TBM2AA0023 BADGE PANASONIC M002 TBM2AX01201 OVERLAY BACK COVER M003 TMM2A30702 WEDGE YOKE M004 TSN63115 4 MAGNET PURITY M005 TSX2AA0361 LINE CORD AC M006 TXF3A01HD3 ASSY DAG GND JK351 TJS2AC00301 SOCKET CRT JK3001 TJB2AA0221 TERMINAL A V 8P JK3002 TJB2AA0046 TERMINAL FRONT A V JK3003 TJB2AA0421 TERMINAL SUPER VIDEO JK3004 TJB2AA0211 1 TERMINAL A V 2P ACCESORIES M007 EUR7613ZB0 TRANSMITTER REMOTE C...

Page 58: ...MTNC030623C1 B01 B05 Color Television CT 25L8G CT 25L8UG CT 20L8G CT 20G8G CT 20G8SG NA10 1 Safety precautions General guidelines 1 ...

Page 59: ...chassis at the bench should incorporate safety glass and magnetic shielding The safety glass provide shielding for the tube viewing area against x ray radiation as well as implosion The magnetic shieldlimits the x ray radiation around the bell of the picture tube in addition to the restricting magnetic effects When using a picture tube test jig for service ensure that the jig is capable of handlin...

Page 60: ... the high voltage The high voltage should be 27 70 1 25kV for 20 models and 29 25 1 25kV for 25 models If the upper limit is out of tolerance immediate serviceand correction is required to insure safe operation and to prevent the possibility of premature component failure Horizontal oscillator disable circuit test This test must be performed as a final check before the receiver is returned to the ...

Page 61: ...eneral range of the capacitance Chip transistors are identified by a two letter code The first letter indicates the type and the second letter the grade of transistor Chip diodes have a two letter identification code as per the code chart and are a dual diode pack with either common anode or common cathode Check the parts list for correct diode number Component removal 1 Use solder wick to remove ...

Page 62: ...he iron wire under the pins of the Flat IC and pull it in the direction indicated while heating the pins using a soldering iron A small awl can be used instead of the iron wire 3 Remove the solder from all the pads of the Flat IC by using a de solder braid 4 Position the new Flat IC in place apply the pins of the Flat IC to 5 ...

Page 63: ...static discharge make certain that all ground wires and CRT DAG wire are securely connected CAUTION The power supply circuit is above earth ground and the chassis cannot be polarized Use an isolation transformer when servicing the receiver to avoid damage to the test equipment or to the chassis Connect the test equipment to the proper ground hot or cold when servicing or incorrect voltages will be...

Page 64: ...ck anode lead to the picture tube anode socket 4 Prepare short jumper and HHS jig Procedure 1 Connect the short jumper between TPD16 TPD17 2 Connect the jumper diode between TPD14 and TPD15 anode connected to TPD15 and cathode to TPD14 3 Apply 75VAC to AC input of isolation transformer 4 Turn the receiver on 5 Apply a monoscope pattern 6 Set customer picture and brightness controls to the minimum ...

Page 65: ...r to service mode 3 Once inside service mode the first image that appears on screen is the ID1 register with the respective address value FF like the image below Note All 3 registers ID1 ID2 ID3 should appear with FF values if a new EEPROM is assembled 4 With VOL keys adjust the correct value according with the service adjustment table see Service Mode section in page 15 5 Change to the next ID sw...

Page 66: ...t s manufacture due to environmental conservation issues For service and repair work we d suggest the use of Pb free solder as well although Pb solder may be used PCBs manufacturedusing lead free solder will have the PbF or a leaf symbol stamped on the back of PCB CAUTION Pb free solder has a higher melting point than standard solder Typically the melting point is 50 70 F 30 40 C higher Please use...

Page 67: ...der There are several kinds of Pb free solder available for purchase This product uses Sn Ag Cu tin silver copper solder However Sn Cu tin copper Sn Zn Bi tin zinc bismuth solder can also beused 5 Receiver feature table 10 ...

Page 68: ...BUILT IN AUDIO POWER 1 5Wx2 10 No OF SPEAKERS 2 AI SOUND X A V IN REAR FRONT 2 2 1 1 1 1 COMPONENT INPUT Y Pb Pr 1 S VIDEO INPUT REAR FRONT 2 1 1 0 Note Specifications are subject to change without notice or obligation Dimensions and weights are approximate 6 Board description table CT 20G8 CT 20G8S BOARD PART NUMBER DESCRIPTION A TNP2AH047AA MAIN BOARD C TNP2AA122AA CRT BOARD CT 20L8G BOARD PART ...

Page 69: ...ION A TNP2AH047FA MAIN BOARD C TNP2AA122FA CRT BOARD NOTE When ordering a replacement board assembly append an S to the board number EXAMPLE To order the A Board the replacement board is TNP2AH047AAS 7 TV Location of controls 12 ...

Page 70: ...or additional information about this remote please refer to the owner s manual section remote operation listed on the parts list section 9 Dissasembly for service Back cover Remove all the screws marked with an arrow from the back of the receiver 13 ...

Page 71: ...y out of the guide rails 2 Stand the receiver on its edge The underside of the board is completely accessible for component replacement Note Some tie wraps that secure the wire dressings may need to be unfastened for chassis removal C Board CRT output The board plugs onto the socket on the CRT neck To release the Focus wire use a dull object to release the tab on the socket near the wire opening a...

Page 72: ...tached 7 Perform complete removal of chassis as instructed in disassembly for service section CRT replacement 1 Perform disassembly for CRT replacement procedure 2 Insure that the CRT H V Anode button is discharged before handling the CRT Read the safety precautions section on handling the picture tube 3 Remove the components from the CRT neck and place the cabinet face down on a soft pad 4 Note t...

Page 73: ...t all ground wires and circuit board plugs get connected IMPORTANT NOTICE When ordering the CRT please order CRT and CRT kit also Please see parts list section for part numbers 10 Chassis service adjustment procedures All service adjustments are factory preset and should not require adjustment unless controls and or associated components are replaced Note Connect the lead of the voltmeter to the a...

Page 74: ...CTURE menu 2 Connect the DVM between C825 side or TPD14 and cold ground 3 Confirm that B voltage is 131 0V 2 0V This voltage supplies B to the horizontal output and flyback circuits Source voltage chart 120V AC line input Set the BRIGHT and the PICTURE to minimum by using the PICTURE menu Use cold or hot ground for the lead of the DVM as needed 17 ...

Page 75: ... so video just disappears 3 Using a high voltage meter confirm that the high voltage is 27 70 1 25kV for 20 models and 29 25 1 25kV for 25 models 11 Purity and convergence procedure Adjustment is necessary only if the CRT or the deflection yoke is replaced or if the setting was disturbed The complete procedure consists of 1 Vertical raster shift adjustment 2 Initial static convergence 3 Setting th...

Page 76: ...til it produces a near white uniform raster VERTICAL RASTER SHIFT ADJUSTMENT Apply a green pattern with a horizontal line adjust the Deflection Yoke so that has no tilt then secure it Adjust center line of the pattern with the mechanical center of the CRT this center is determined by two marks at the side edges of the screen To adjust the line once the vertical raster shift tabs are place at 3 o c...

Page 77: ...d white screen to stabilize the CRT Fully degauss the receiver by using an external degaussing coil Press the RECALL button on the remote control again until the purity check green screen appears Loosen the deflection yoke clamp screw and move the deflection yoke back as close to the purity magnet as possible Adjust the purity rings to set the vertical green raster precisely at the center of the s...

Page 78: ...loy in the DY corners to achieve proper convergence Recheck for purity and readjust if necessary After vertical adjustment of the yoke insert wedge at 11 o clock position then make the horizontal tilt adjustment Secure the deflection yoke by inserting four side wedges Apply adhesive between tab thin portion of wedge and CRT and place tape over the tab to secure to the CRT 11 1 Permalloy convergenc...

Page 79: ...ver When becoming familiarwith the procedure the flow chart for service mode may be used as a quick guide Quick entry to service mode When minor adjustments need to be done to the electronic controls the method of entering the service mode without removal of the cabinet back is as follows using the remote control 1 Select SET UP icon and select CABLE mode 2 Select TIMER icon and set SLEEP time for...

Page 80: ...unplug the TV from A C Other method Press ACTION and POWER on the receiver simultaneously for at least 2 seconds The receiver momentarily shuts off then comes back on tuned to channel 3 with a preset level of sound Any programmed channels channels caption data and some others user defined settings will be erased when exited by pressing ACTION and POWER on receiver IMPORTANT NOTE Always check that ...

Page 81: ...ATION A4 03 1D 1D 1D CLOCK CLOCK A4 04 128 128 128 HHSTH HHS VOLTAGE LEVEL REFERENCE A4 05 9D 9D 89 COLOR COLOR A4 06 01 15 01 15 01 15 TINT TINT A4 08 56 56 56 BRIGH SUB BRIGHTNESS A4 09 4E 4E 40 CONT SUB CONTRAST A4 0A 38 38 60 B Y_G MAGENTA TINT ADJ A4 0B 80 80 80 CUT_G GREEN CUT OFF A4 0C 01 C3 01 C3 02 05 CUT_R RED CUT OFF A4 0E 02 0E 02 0E 02 9B CUT_B BLUE CUT OFF A4 10 01 5B 01 5B 01 F4 BRT...

Page 82: ... ID switch values Note The correspondent ID switch ID1 ID2 ID3 data configuration should not be modified in any way If EEPROM circuit needs to be replaced these ID values should be configured according with this table 12 2 Instructional Flow Chart for Service Mode 25 ...

Page 83: ...12 3 Instructional flow chart for service mode continued 26 ...

Page 84: ... the SCREEN VR after the sub brightness is set This adjustment is factory set Do not adjust unless repairs are made to associated circuit the CRT Board or when the CRT is replaced Preparation 1 Apply a colorbar pattern 2 Set the PICTURE control to the maximum 3 Set COLOR control to minimum no color on picture 4 Set the BRIGHTNESS control to the center 5 Set the SHARPNESS control to the center 6 Co...

Page 85: ...ut adjustment Service DAC adjustment COLOR TINT NOTE if a rainbow pattern generator is available perform the following procedure the next section describes the procedure with no rainbow pattern Make sure that sub contrast adjustment was finished prior to perform this adjustment PREPARATION 1 Normalize the picture settings 2 Set the BRIGHTNESS control to minimum 3 Set the COLOR control to the cente...

Page 86: ...cilloscope to TP35 and GND 5 Adjust COLOR register so that the amplitude a is 0 8 0 05Vp p for 20 models and amplitude b 0 9 0 05Vp p for 25 models TP35 Waveform 13 3 Color output adjustment Service DAC adjustment COLOR TINT B Y_G NOTE Color and tint adjustment sets the reference settings for the user controls It is important to read the procedures NO RAINBOW PATTERN Make sure that sub contrast ad...

Page 87: ...s normal and natural NOTE The image can be compared against other set to see the image quality 13 4 Color temperature adjustment B W Tracking Service DAC Adjust CUT R CUT G CUT B R DR B DR Minor Touch Up Method OBSERVE low and high brightness areas of a B W picture for proper tracking Adjust only as required for good gray scale and warm highlights 1 LOW LIGHT areas In service mode for making elect...

Page 88: ...ectronic adjustment select BRIGH DAC 3 Press RECALL button on the remote control to collapse the raster service SW 4 Connect oscilloscope to KG on C Board and adjust service mode CUT G DAC until 170 2V above DC ground is measured 5 Remove the probe from KG 6 Turn screen clockwise slowly until color is slightly appeared 7 Then adjust CUT R and CUT B until line becomes white 8 Press RECALL button on...

Page 89: ... messagewill appear in the image Use this feature when deflection adjustment gets off adjustment to the point that it cannot be adjusted back easily 13 5 1 H Center adjustment PREPARATION 1 Apply a crosshatch pattern 2 Normalize the picture settings PROCEDURE 1 Apply a monoscope pattern to center the picture Horizontal Center Adjustment 2 If the horizontal center is not aligned in service mode adj...

Page 90: ...stment V POS and adjust monoscope pattern to the center vertical position of the CRT center mark 2 Adjust linearity data V C so that interval of a is same as b a b 3 If the v position is not at the CRT center adjust V position V POS DATA again 4 Apply a monoscope pattern 5 Confirm that center horizontal line is in center mark on CRT 6 Adjust VEAMP register for correct vertical size by making monos...

Page 91: ...heck a and b sizes If b a 1 5mm in top bottom extending case Increase V S DATA by one step NOTE Repeat a and b until b a 1 5mm 3 Confirm to make outermost circle of monoscope pattern a correct circle V Adjustment 13 6 MTS circuit adjustments The MTS circuit adjustments require two steps 1 Input level adjustment 2 Stereo separation adjustment 34 ...

Page 92: ...100 modulation monaural 70 5dB 75 OPEN P S 10dB Make sure that the 75 s pre emphasis is OFF 2 Adjust the MTS input level adjustment MTSIN data until the RMS voltage measured is 106 6 0mVrms Stereo separation adjustment SEPAH PREPARATION 1 Connect an R F signal generator to the RF antenna input 2 Connect a scope to TPA20 PROCEDURE 1 Select stereo mode in audio menu 2 Apply the following signal from...

Page 93: ...fter setting 30 modulation with P L SW and N R SW OFF turn P L SW and N R SW ON 5 Adjust the MTS High level separation adjustment SEPAH until the amplitude displayed on the scope is minimum 6 Repeat above steps 2 through 5 until the amplitude is at minimum for both signals 13 7 Clock adjustment CLOCK PREPARATION Connect the frequency counter from TP017 IC001 pin 79 to cold ground PROCEDURE 1 Turn ...

Page 94: ...f the value stored in CLOCK 13 8 Service Adjustments Mechanical Controls WIDTH CORRECTION ADJUSTMENT Note Perform this adjustment only when FBT is changed FOCUS PART OF T551 Preparation Apply a crosshatch pattern with dots Procedure 1 Adjust the FOCUS VR to obtain the sharpest and clearest dot pattern Adjust for best center Adjust for best area between the center and top right corner 14 Identifica...

Page 95: ...Back Cover Removal CT 25L8G CT 25L8UG 38 ...

Page 96: ...14 2 Chassis Components Rear view inside cabinet 39 ...

Page 97: ...14 2 1 C Board Chassis C Board component locations 14 2 2 CT 20G8G CT 20G8SG A Board Chassis A Board Top view CT 20G8G CT 20G8SG 40 ...

Page 98: ...14 2 3 CT 20L8 A Board Chassis A Board Top view CT 20L8G 41 ...

Page 99: ...14 2 4 CT 25L8 CT 25L8U A Board Chassis A Board Top view CT 25L8G CT 25L8UG 42 ...

Page 100: ...14 2 5 A Board Surface mounted components A Board bottom view 43 ...

Page 101: ...44 ...

Page 102: ... Conductor Views 16 1 A Board Printed Circuit Left Side 16 2 A Board C Board Printed Circuit Right Side 17 Block Diagrams 17 1 Video Signal Block Diagram 17 2 Audio Signal Block Diagram 18 Schematics 18 1 English Schematic Notes 45 ...

Page 103: ...46 ...

Page 104: ...18 2 Notas de Esquemáticos en Español 47 ...

Page 105: ...48 ...

Page 106: ...Board Schematic TNP2AH047AA AB page 4 of 4 18 7 A Board Schematic TNP2AH047FA page 1 of 4 18 8 A Board Schematic TNP2AH047FA page 2 of 4 18 9 A Board Schematic TNP2AH047FA page 3 of 4 18 10 A Board Schematic TNP2AH047FA page 4 of 4 18 11 C Board Schematic TNP2AA122AA FA 18 12 Voltages 18 13 Waveforms 19 Parts Location 20 Parts List 20 1 Parts List Notes 49 ...

Page 107: ...20 2 Parts List 50 ...

Page 108: ...C 68PF J 50V C012 ECA1HM0R1B CAP E 0 1UF 50V C013 TCJ2VC1H680J CAP C 68PF J 50V C016 ECA1AM101B CAP E 100UF 10V C017 TCJ2VC1H680J CAP C 68PF J 50V C018 ECJ2VF1H103Z CAP C 01UF Z 50V CT 20G8G CT 20G8SG CT 20L8G C018 TCJ2VF1H103Z CAP C 01UF Z 50V CT 25L8G CT 25L8UG C019 ECA0JM102B CAP E 1000UF 6 3V C020 ECA1CM102B CAP E 1000UF 16V C021 TCJ2VF1H103Z CAP C 01UF Z 50V C031 TCJ2VC1H220J CAP C 22PF J 50V...

Page 109: ...V C073 TCJ2VC1H101J CAP C 100PF J 50V C077 ECA1HM100B CAP E 10UF 50V C079 TCJ2VC1H220J CAP C 22PF J 50V C083 TCJ2VF1H103Z CAP C 01UF Z 50V C085 ECJ2VB1C104K CAP C 1UF K 16V C350 ECA1CM101B CAP E 100UF 16V C351 TCJ2VC1H101J CAP C 100PF J 50V CT 20G8G CT 20G8SG CT 20L8G C351 TCJ2VC1H331J CAP C 330PF J 50V CT 25L8G CT 25L8UG C352 TCJ2VC1H101J CAP C 100PF J 50V CT 20G8G CT 20G8SG CT 20L8G C352 TCJ2VC1...

Page 110: ...0G8SG CT 20L8G C565 ECKW3D561JBR CAP P 560PF J 2KV CT 25L8G CT 25L8UG C565 ECKW3D821JBP CAP C 820PF J 2KV CT 20G8G CT 20G8SG CT 20L8G C566 ECKW3D181JBP CAP C 180PF J 2KV C568 ECQM4473JZW CAP P 047UF J 400V CT 20G8G CT 20G8SG CT 20L8G C568 ECWF2224JBB CAP P 22UF J 200V CT 25L8G CT 25L8UG C569 ECWF2394JSR CAP M 39UF J 200V CT 20G8G CT 20G8SG CT 20L8G C569 ECWF2474JSR CAP P 47UF J 200V CT 25L8G CT 25...

Page 111: ... ECJ2VB1C104K CAP C 1UF K 16V C2210 ECJ2VB1C104K CAP C 1UF K 16V C2212 ECQB1H473JF3 CAP P 047UF J 50V C2213 ECA1HMR47B CAP E 47UF 50V C2214 ECA1AM101B CAP E 100UF 10V C2215 EEANA1E100B CAP E 10UF 25V C2216 TCJ2VC1H100D CAP C 10PF J 50V C2217 ECJ2VB1H102K CAP C 001UF K 50V C2218 ECJ2VB1H102K CAP C 001UF K 50V C2219 ECJ2VF1C105Z CAP C 1 0UF Z 16V C2220 ECJ2VF1C105Z CAP C 1 0UF Z 16V C2301 ECA1EM102E...

Page 112: ...001VT DIODE D801 D3SBA60 4103 DIODE D803 MAZ41200MF DIODE ZENER D806 TAP2AA0003 PTC 3 OHM D808 SARS01V1 DIODE D809 B0HAJP000015 DIODE D810 B0HAJP000015 DIODE D811 B0HAJP000015 DIODE D820 MA2C165001VT DIODE D821 MAZ40470HF DIODE ZENER D822 B0HAMM000103 DIODE D823 S3L60P154004 DIODE D824 B0HAMM000072 DIODE FAST RECOVERY D2302 MAZ43000MF DIODE ZENER D2305 CVS20A120MTA DIODE D2307 CVS20A120MTA DIODE D...

Page 113: ...D3019 CVS20A120MTA DIODE 56 ...

Page 114: ... COIL PEAKING 33UH L008 G0C470KA0029 COIL PEAKING 47UH L010 G0C2R2KA0029 COIL PEAKING 2 2UH L011 EXCELSA26T FERRITE BEAD L012 G0C2R2KA0029 COIL PEAKING 2 2UH L013 EXCELSA26T FERRITE BEAD L014 ELESN180KA COIL PEAKING 18UH L015 ELESN3R3JA COIL PEAKING 3 3UH L020 EXCELSA26T FERRITE BEAD L023 EXCELSA26T FERRITE BEAD CT 25L8G CT 25L8UG L032 EXCELSA26T FERRITE BEAD L108 EXCELSA35V FERRITE BEAD L110 G0C1...

Page 115: ...L805 EXCELDR35V FERRITE BEAD CT 20G8G CT 20G8SG CT 20L8G 58 ...

Page 116: ... Q359 2SD601ARTX TRANSISTOR Q360 2SB709ARTX TRANSISTOR Q361 2SB709ARTX TRANSISTOR Q362 2SB709ARTX TRANSISTOR Q411 2SB0710AQL TRANSISTOR Q412 2SD0602AQL TRANSISTOR Q451 2SB709ARTX TRANSISTOR Q501 2SC1573AH TRANSISTOR Q501 2SC4212HLB TRANSISTOR CT 25L8G CT 25L8UG Q551 2SC562200VLK TRANSISTOR CT 20G8G CT 20G8SG CT 20L8G Q551 2SC5902000LK TRANSISTOR CT 25L8G CT 25L8UG Q560 2SB709ARTX TRANSISTOR Q605 2...

Page 117: ...S M 2 2K J 1 10W R042 ERJ6GEYJ222V RES M 2 2K J 1 10W R043 ERJ6GEYJ153V RES M 15K J 1 10W R044 ERJ6GEYJ101V RES M 100 J 1 10W R045 ERDS2TJ101T RES C 100 J 1 4W R046 ERJ6GEYJ102V RES M 1K J 1 10W R047 ERJ6GEYJ472V RES M 4 7K J 1 10W R048 ERJ6GEYJ101V RES M 100 J 1 10W R050 ERJ6GEYJ102V RES M 1K J 1 10W R052 ERJ6GEYJ103V RES M 10K J 1 10W R053 ERJ6GEYJ101V RES M 100 J 1 10W R055 ERJ6GEYJ103V RES M 1...

Page 118: ...G R362 ERJ6ENF1101V RES M 1 1K F 1 10W CT 20G8G CT 20G8SG CT 20L8G R362 ERJ6ENF9100V RES M 910 F 1 10W CT 25L8G CT 25L8UG R363 ERJ6GEYJ101V RES M 100 J 1 10W R364 ERJ6GEYJ101V RES M 100 J 1 10W R365 ERJ6GEYJ101V RES M 100 J 1 10W R369 ERDS2TJ393T RES C 39K J 1 4W CT 25L8G CT 25L8UG R370 ERDS2TJ224T RES C 220K J 1 4W CT 25L8G CT 25L8UG R371 ERJ6GEYJ101V RES M 100 J 1 10W R372 ERJ6GEYJ101V RES M 100...

Page 119: ...1 4W R509 ERJ6ENF1002V RES M 10K F 1 10W R510 ERG3FJ472 RES M 4 7K J 3W CT 20G8G CT 20G8SG CT 20L8G R510 ERG3FJ622 RES M 6 2K J 3W CT 25L8G CT 25L8UG R511 ERG3FJ622 RES M 6 2K J 3W CT 25L8G CT 25L8UG R512 ERJ6GEYJ222V RES M 2 2K J 1 10W R514 ERJ6GEYJ392V RES M 3 9K J 1 10W R515 ERDS2TJ101T RES C 100 J 1 4W R532 ERJ6ENF2202V RES M 22K F 1 10W R533 ERJ6ENF1003V RES M 100K F 1 10W R540 ERJ6GEYJ105V R...

Page 120: ...YJ122V RES M 1 2K J 1 10W CT 25L8G CT 25L8UG R832 ERJ6GEYJ512V RES M 5 1K J 1 10W CT 20G8G CT 20G8SG CT 20L8G R833 ERJ6GEYJ473V RES M 47K J 1 10W R834 ERJ6GEYJ472V RES M 4 7K J 1 10W R837 ERJ6GEYJ103V RES M 10K J 1 10W R838 ERJ6GEYJ103V RES M 10K J 1 10W R850 ERQ12HJR22P RES F 22 J 1 2W CT 25L8G CT 25L8UG R850 ERQ12HJR56P RES F 56 J 1 2W CT 20G8G CT 20G8SG CT 20L8G R202 ERJ6GEYJ222V RES M 2 2K J 1...

Page 121: ...W R3037 ERJ6GEYJ471V RES M 470 J 1 10W R3038 ERJ6GEYJ562V RES M 5 6K J 1 10W R3039 ERJ6GEYJ183V RES M 18K J 1 10W R3041 ERJ6GEYJ472V RES M 4 7K J 1 10W R3042 ERJ6GEYJ472V RES M 4 7K J 1 10W R3101 ERJ6GEYJ334V RES M 330K J 1 10W R3102 ERJ6GEYJ334V RES M 330K J 1 10W R3103 ERJ6GEYJ334V RES M 330K J 1 10W R3104 ERJ6GEYJ334V RES M 330K J 1 10W SWITCHES S001 EVQPF106K SWITCH S002 EVQPF106K SWITCH S003 ...

Page 122: ...INET FRONT CT 20G8SG TXFKY16GSER ASSY CABINET FRONT CT 25L8G CT 25L8UG 7 TXFKU11GSER ASSY CABINET BACK CT 20G8G CT 20G8SG CT 20L8G TXFKU12FSER ASSY CABINET BACK CT 25L8G CT 25L8UG 8 TKX2AA00401 IR GUIDE CT 20G8G CT 20G8SG CT 20L8G TKX2AA00403 IR GUIDE CT 25L8G CT 25L8UG 9 TAS2AA0012 SPEAKER 16 OHM 1 5W 10 TBM2A10141 BADGE PANASONIC CT 20G8G TBM2A10143 BADGE PANASONIC CT 20G8SG CT 20L8G CT 25L8G CT...

Page 123: ...88 Vp p Q4111 B V DRIVE 8 56 8 Vp p IC451 PIN 5 V OUT 9 A Board 114 Vp p A12 PIN 2 HEATER 12 1 18 kVp p Q551 Collector H OUT 13 356 Vp p IC801 PIN 1 14 2 88 Vp p IC801 PIN 7 15 28 Vp p IC451 PIN 3 PUMP UP 10 3 20 Vp p IC501 PIN 4 H DRIVE 11 CT 20L8G CT 20G8G CT 20G8SG CT 25L8G CT 25L8UG 10MHz X tal 114 Vp p Q501 Collector 16 2 600mv Vp p IC451 PIN 1 VERT IN 7 ...

Page 124: ...1 2 3 4 5 6 7 8 A B C D E F G H I J A BOARD 1 of 4 TNP2AH047AA AB CT 20L8G CT 20G8G CT 20G8SG ...

Page 125: ...1 2 3 4 5 6 7 8 A B C D E F G H I J A BOARD 2 of 4 TNP2AH047AA AB CT 20L8 CT 20G8 CT 20G8S ...

Page 126: ...1 2 3 4 5 6 7 8 A B C D E F G H I J A BOARD 3 of 4 TNP2AH047AA AB CT 20L8G CT 20G8G CT 20G8SG ...

Page 127: ...1 2 3 4 5 6 7 8 A B C D E F G H I J A BOARD 4 of 4 TNP2AH047AA AB CT 20L8G CT 20G8G CT 20G8SG ...

Page 128: ...1 2 3 4 5 6 7 8 A B C D E F G H I J A BOARD 1 of 4 TNP2AH047FA CT 25L8G CT 25L8UG ...

Page 129: ...1 2 3 4 5 6 7 8 A B C D E F G H I J A BOARD 2 of 4 TNP2AH047FA CT 25L8G CT 25L8UG ...

Page 130: ...1 2 3 4 5 6 7 8 A B C D E F G H I J A BOARD 3 of 4 TNP2AH047FA CT 25L8G CT 25L8UG ...

Page 131: ...1 2 3 4 5 6 7 8 A B C D E F G H I J A BOARD 4 of 4 TNP2AH047FA CT 25L8G CT 25L8UG ...

Page 132: ...P JK3002 FRONT AUDIO JK3001 REAR AUDIO AUX R2 MPX IN R OUT L OUT AUX L2 R IN L IN R OUT L OUT R L R2 L2 AUX L1 AUX R1 22 21 14 2 3 24 23 5 2 12 7 MTS VOL 8 MUTE 11 IC001 MPU 84 76 VOL SP ON OFF L R Mixed T U N E R R L CT 20L8G CT 20G8G CT 20G8SG CT 25L8G CT 25L8UG ...

Page 133: ...1 2 3 4 5 6 7 8 A B C D E F G H I J C BOARD TNP2AA122FA AA CT 20L8G CT 20G8G CT 20G8SG CT 25L8G CT 25L8UG ...

Page 134: ...1 2 3 4 5 6 7 8 A B C D E F G H I J A BOARD 1 of 2 TNP2AH047 CT 20L8G CT 20G8G CT 20G8SG CT 25L8G CT 25L8UG ...

Page 135: ...1 2 3 4 5 6 7 8 A B C D E F G H I J A BOARD 2 of 2 TNP2AH047 C BOARD TNP2AA122 CT 20L8G CT 20G8G CT 20G8SG CT 25L8G CT 25L8UG ...

Page 136: ...1 Q358 Q355 Q352 Q362 Q359 Q356 Q353 JK3002 FRONT VIDEO JK3001 REAR VIDEO V2 V2 PR PB Y V1 V2 Y2 V1 Y1 V Y OUT TV IN MV IN MU IN MCOMP IN R OUT G OUT B OUT R G B 1 7 45 3 5 13 17 19 42 41 1 2 3 C1 1 2 3 MPU MSCIN 15 Y C JK3003 S Video CRT Only in CT 20G8G CT 20G8SG CT 20L8G CT 20G8G CT 20G8SG CT 25L8G CT 25L8UG ...

Page 137: ...0 0 00 0 00 3 30 5 20 3 30 0 00 3 30 A BOARD IC2201 1 2 3 4 5 6 7 8 9 10 11 12 1 60 2 20 2 20 2 30 2 40 0 07 5 00 2 50 2 60 0 80 2 30 2 50 13 14 15 16 17 18 19 20 21 22 23 24 2 80 2 20 2 50 3 50 0 00 3 20 3 40 0 00 2 20 2 20 2 20 2 20 IC002 1 2 3 4 5 6 7 8 0 00 0 00 0 00 0 00 3 40 3 40 5 20 5 20 IC003 1 2 3 0 00 3 31 3 27 IC004 1 2 3 4 5 0 00 0 00 0 00 3 30 3 30 IC005 1 2 3 4 9 10 3 30 0 00 9 10 I...

Page 138: ... 12 8 90 3 50 Q092 8 90 1 40 3 30 Q358 2 60 4 30 2 00 Q830 129 80 130 40 130 50 Q831 0 60 0 20 0 00 Q802 0 70 0 00 0 00 Q606 0 00 3 30 0 00 Q801 0 00 12 52 0 00 Q820 130 40 0 00 130 80 Q359 2 60 4 40 2 00 Q001 0 00 13 00 0 00 B C E B C E Q355 4 30 8 40 3 60 Q3002 1 30 3 30 0 70 Q354 4 50 8 50 3 80 Q3001 1 30 3 30 0 70 Q356 4 40 8 40 3 70 Q357 2 60 4 50 2 00 C BOARD Q352 129 80 130 40 130 50 Q353 0...

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