Sony TRINITRON KV-PG14L70 Service Manual Download Page 1

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REVISION HISTORY

BG-2T

MODEL

KV-PG14L70
KV-PG14L70/H
KV-PG14P40

PART NO. :

9-872-262-01

DATE

DESCRIPTION OF REVISION

CHASSIS

Summary of Contents for TRINITRON KV-PG14L70

Page 1: ...REVISION HISTORY BG 2T MODEL KV PG14L70 KV PG14L70 H KV PG14P40 PART NO 9 872 262 01 NO DATE DESCRIPTION OF REVISION CHASSIS ...

Page 2: ...CHASSIS TRINITRON COLOR TV SERVICE MANUAL BG 2T MODEL COMMANDER DEST CHASSIS NO KV PG14L70 RM 952 ME SCC U67E A KV PG14L70 H RM 952 ME SCC U67B A KV PG14P40 RM 952 GE SCC U69A A TV 1 2 3 4 6 7 8 9 0 5 JUMP SOUND MODE FAVORITE PROGR Á ...

Page 3: ...240 V AC 50 60 Hz Power consumption W Indicated on the rear of the TV Television system B G Color system PAL PAL 60 NTSC3 58 AV IN NTSC4 43 SECAM KV PG14L70 PAL PAL 60 NTSC3 58 AV IN NTSC4 43 KV PG14P40 Channel coverage VHF E2 to E12 UHF E21 to E69 CATV S01 to S03 S1 to S41 Antenna 75 ohm external terminal Audio output Speaker 3W Number of terminal D Video Input 2 Output 1 Phono jacks 1 VP P 75 oh...

Page 4: ...2 SCREEN and white balance adjustments 15 4 CIRCUIT ADJUSTMENTS 4 1 Adjustment With Commander 16 4 2 Adjustment Method 16 4 3 Picture Quality Adjustment 21 4 4 Deflection Adjustment 21 4 5 A Board Ajustment After IC003 MEMORY Replacement 21 4 6 Picture Distortion Adjustment 22 Section Title Page Section Title Page 5 DIAGRAMS 5 1 Block Diagram 23 5 2 Circuit Boards Location 25 5 3 Schematic Diagram...

Page 5: ...s not turn on B overcurrent OCP Horizontal deflection overdrive White balance failure no PICTURE Vertical deflection stopped Micro reset Detected Symptoms Power does not come on No power is supplied to the TV AC power supply is faulty Power does not come on Load on power line is shorted Has entered standby state after horizontal raster Power line is shorted or power supply is stopped Vertical defl...

Page 6: ...urances of failure for confirmation on the screen To Bring Up Screen Test In standby mode press buttons on the remote commander sequentially in rapid succession as shown below Screen display channel 5 Sound volume Power ON Note that this differs from entering the service mode mode volume Self Diagnosis screen display STANDBY SLEEP lamp Lamp ON 0 3 sec Lamp OFF 3 sec Lamp OFF 0 3 sec 2 times 4 time...

Page 7: ...elf diagnostic screen turn off the power switch on the remote commander or the main unit 6 SELF DIAGNOSTIC CIRCUIT B overcurrent ªOCPº Occurs when an overcurrent on the B 135 line is detected by Q500 If Q500 go to ON and the voltage to pin 50 of IC301 more than 3 5V when V SYNC is more than seven verticals in a period the unit will automatically turn off Vertical deflection stopped Occurs when an ...

Page 8: ... the TV in any vehicle or where it may be subject to excessive dust heat moisture or vibrations Do not block the ventilation openings of the TV Do not install the TV in a confined space such as a bookcase or built in cabinet For children s safety do not leave children alone with the TV Do not allow children to climb onto it Clean the TV with a dry and soft cloth Do not use benzine thinner or any o...

Page 9: ... turn off your TV Contact your nearest Sony service center Changes in room temperature sometimes make the TV cabinet expand or contract making a noise This does not indicate a malfunction The TV s demagnetizing function is working This does not indicate a malfunction H Remote control Button Function 1 1 Turn off temporarily or turn on the TV 2 a Display the TV program 3 JUMP Jump to previous progr...

Page 10: ...he unused or unwanted program number appears on the screen 2 Press SELECT until MANUAL PROGRAM appears on the screen 3 Press or once to enter the MANUAL PROGRAM mode 4 Press PIC MODE to skip the unused or unwanted program number 5 Press SELECT to exit the MANUAL PROGRAM mode Note To restore the skipped program number again preset the channel automatically or manually To use the fine tuning functio...

Page 11: ... arrow and remove 2 5 TERMINAL BRACKET REMOVAL SECTION 2 DISASSEMBLY 2 1 REAR COVER REMOVAL 2 2 SPEAKER REMOVAL 2 3 CHASSIS ASSY REMOVAL 1 Seven screws BVTP 4 16 1 Rear Cover 1 Four screws washer head BVTP 3 12 CRT SUPPORT BLOCK Speaker Push claw 2 4 SERVICE POSITION Caution Do not take out CRT support block while TV set in standing position Note Undress necessary wires that creates tension while ...

Page 12: ... picture tube and the anode cap to the metal chassis CRT shield or carbon paint on the CRT REMOVING PROCEDURES 1 Do not damage the surface of anode caps with sharp shaped objects 2 Do not press the rubber too hard so as not to damage the inside of anode cap A metal fitting called the shatter hook terminal is built into the rubber 3 Do not turn the foot of rubber over too hard The shatter hook term...

Page 13: ...EAM LANDING 1 Input a white signal with the pattern generator Contrast Brightness 2 Set the pattern generator raster signal to a green raster 3 Move the deflection yoke to the rear and adjust with the purity control so that the green is at the center and the blue and the red take up equally sized areas on each side See Figures 3 1 through 3 4 4 Move the deflection yoke forward and adjust so that t...

Page 14: ...ogether at the center of the screen adjust the horizontal convergence with the H STAT variable resistor and the V STAT magnet in the manner given below In this case the H STAT variable resistor and the V STAT magnet influence each other so be sure to perform adjust ments while tracking 1 3 Center dot R G B R G B H STAT VR V STAT Magnet RV702 H STAT C Board Operation of V Stat magnet If the V Stat ...

Page 15: ...YCH Rotate YCH VOL on DY TLV Rotate TLV VOL ON DY XCV Rotate XCV Adj core on DY ON DY 2 Dynamic Convergence Adjustment Preparation Before starting this adjustment adjust the horizontal static convergence and the vertical static convergence RB RB TLH TLV YCH XCV B R R B YCH TLV DY pocket DY pocket XCV ...

Page 16: ...ion 4 1 ADJUSTMENTS WITH COMMANDER 2 Input white raster signal 3 Set 49 ABL and IF VP2 service mode to 00 4 Set Picture to DYNAMIC 5 Select OB RDR with 1 and 4 and set the level to 25 with 3 and 6 for best white balance 6 Select OC GDR and OD BDR with 1 and 4 and adjust the level with 3 and 6 for the best white balance 7 Write into the memory by pressing MUTING then 0 8 Set back 49 ABL and IF VP2 ...

Page 17: ...e The standard is 1F for PAL reception 4 Write with the MUTING button The display changes to WRITE 5 Execute the writing with the button The WRITE display will be changed to red color while excuting and back to SERVICE Example on screen display 1 4 Select the adjustment item 3 6 Raise lower the data value MUTING Writes Executes the writing e OTHER FUNCTION VIA REMOTE COMMANDER 7 All the data becom...

Page 18: ...FF 00 Extra Bits see below 1D AIP 7F 40 Invalid 1E CT2 FF Control 2 1F CT3 FF Control 3 20 CT4 0F Control 4 21 CT5 01 Control 5 22 BCO 01 Switch on Behaviour 23 RBL 01 RGB Blanking 24 YDL 0F PAL NTSC SECAM Y Delay 25 WST FF 15 W G Stereo Threshold MSP3410D 80 26 WBT FF EA W G Bilingual Threshold 27 WLL FF 05 W G Monaural Threshold 28 ACG 01 01 AGC Switch auto constant 29 CDB 3F 28 AGC Gain at Cons...

Page 19: ... B G 01 I 02 D K 03 M TV System at Auto Preset 4E DKS 01 01 D K Stereo enable disable 4F MUT 01 00 Muting on off at No Sync 50 ABL 01 00 Bright ABL Switch 51 SCM 01 00 SECAM Trap active inactive 52 FBT 01 01 FBT L S C M strict plain 53 SLS 01 01 Activate SL OR IFI Sync 54 SSV 07 02 Space Sound Volume Step Up 55 VPM 7F 28 Timer of Video Processor start up wait 56 OP0 FF 2F Optional Flags 0 see belo...

Page 20: ...put model 11 2AV Input and RGB input model AVMUT 1 AV multi is always muted if no signal input 0 not muted always Other optional bits are effective if set ti 1 No 20 VP3 VID 1 1 1 MAT 1 1 1 1 V Curve 0 0 0 No NICAM 0 0 0 0 0 0 HDEV 0 0 0 XTAL SEL 00 only 4 43 XTAL 01 only 3 58 XTAL 10 not used 11 both 4 43 and 3 58 XTAL 1 V Curve for monaural model 1 using common volume curve for every mode and ev...

Page 21: ...ntially Copy 50Hz data into 60Hz area push the commander button display and 0 sequentially SELF DIAGNOSIS MODE How to enter Self Diagnosis Mode At stand by push the commander button display 5 vol and power sequentially How to exit Self Diagnosis Mode Push the commander button other ON or power AC OFF Other operations Clear data and Write into NVM push the commander button 8 and 0 sequentially HOTE...

Page 22: ...VB1 VB2 VB3 VB4 4 4 DEFLECTION ADJUSTMENT NORMAL MODE 50Hz 1 Set to Service mode 2 Input PAL color bar 3 Using the 1 and 4 button select category GEO Service Mode 4 Raise lower the data using the 3 and 6 buttons Select and adjust the following items to obtain optimum image Service Item GEO 00 HPS H POSITION 01 HSZ H SIZE 02 PAP PIN AMPLITUDE 03 CPN CORNER PIN 04 TLT TLT 05 VSL V SLOPE 06 VAP VERTI...

Page 23: ...G14L70 H RM 952 4 6 PICTURE DISTORTION ADJUSTMENT Item Number 00 08 01 HSZ H SIZE 04 TLT TILT 06 VAP VERTICAL AMPLITUDE 00 HPS H POSITION 02 PAP PIN AMPLITUDE 03 CPN CORNER PIN 05 VSL V SLOPE 08 VPS V SHIFT 07 SCO S CORRECTION ...

Page 24: ...VE 3 1 PIN CONTROL IC850 851 Q802 PIN OUT 1 7 IC551 V OUT 5 Q801 H OUT L802 DUMPER D804 851 S800 H SENT FV HV 135V 13V 15V T503 Q500 X RAY 135V D561 D591 H H H H V V DY1 2 1 4 200V 1000V H1 CN851 CN103 CN703 6 5 4 1 Q712 Q711 Q710 Q706 Q705 Q704 R DRIVE G DRIVE B DRIVE R AMP G AMP B AMP Q709 Q708 Q707 IK LIMIT IK LIMIT IK LIMIT R G B IK 12 11 10 5 J701 1 8 1 2 4 1000V 200V H1 CN701 G2 RV701 C RGB ...

Page 25: ...gs are taken with a color bar signal input no mark Common PAL NTSC 3 58 Readings are taken with a 10 MΩ digital multimeter Voltage are dc with respect to ground unless otherwise noted Voltage variations may be noted due to normal produc tion tolerances All voltage are in Volt Cannot be measured Circled numbers are waveform references B bus B bus signal path Reference information RESISTOR RN METAL ...

Page 26: ...200V PT JW 5MM DA204K PROTECT 220p B CHIP 220p B CHIP 470p B CHIP 0 001 B CHIP 0 001 B CHIP 0 001 B CHIP 0 001 B CHIP 0 001 B CHIP 0 001 B CHIP 0 001 B CHIP 0 001 B CHIP 0 001 B CHIP 0 001 B CHIP 0 001 B CHIP 0 001 B CHIP 0 001 B CHIP 0 001 B CHIP 0 001 B CHIP 0 001 B CHIP 0 001 B CHIP 0 001 B CHIP 0 001 B CHIP 0 001 B CHIP 0 0022 B CHIP 0 0047 B CHIP 0 0047 B CHIP 0 0047 B CHIP 0 0047 B CHIP 0 01...

Page 27: ...1 2SC2611 2SA1091 0 2SA1091 0 2SA1091 0 100k 1 2W 8 2k 3W RS 8 2k 3W RS 8 2k 3W RS 3 9k 3 9k 3 9k 180 180 180 22 22 22 100 1 2W 100 100 100 JW 5MM JW 5MM JW 5MM 110M RS 0 22 1W RS 0 22 1W RS 3 3k 1 2W 3 3k 1 2W 3 3k 1 2W NNCD9 1A T1 1SS119 25 1SS119 25 1SS119 25 1SS119 1SS119 25 1SS119 25 1SS119 25 2SC2785 2SC2785 2SC2785 JW 5MM JW 5MM JW 5MM 1k 1k 1k 1 200V FOCUS G2 H STAT FV GND TO A BOARD GND T...

Page 28: ...4 0 4 5 0 4 6 0 4 7 0 4 8 0 4 9 0 4 10 0 4 11 0 4 12 0 4 13 0 4 14 0 4 15 0 4 16 0 4 17 0 4 18 0 4 19 0 4 20 0 21 0 4 22 0 4 23 0 4 24 0 4 25 0 26 0 4 27 0 4 28 0 3 IC203 1 0 4 2 0 4 3 15 4 4 0 5 0 6 0 4 7 7 2 8 0 5 9 0 10 16 5 11 8 2 12 0 3 IC301 1 0 7 2 3 7 3 0 4 4 0 4 5 2 6 3 6 6 2 9 4 6 7 4 8 8 4 8 9 6 7 10 0 11 3 4 12 8 1 13 3 8 4 4 14 0 15 2 9 Ref Pin No Voltage v Ref Pin No Voltage v 16 0 5...

Page 29: ... E 5 3 Q204 B 16 5 C 16 5 E 15 8 Q205 B 4 8 0 2 C 0 0 2 E 0 4 8 Q300 B 3 0 3 6 C 0 E 8 9 Q301 B 3 0 3 6 C 0 E 2 3 3 9 Q302 B 3 0 3 9 C 0 E 8 9 Q303 B 2 3 3 7 C 7 7 6 1 E 2 9 4 2 Q304 B 2 9 4 2 C 2 3 3 7 E 8 9 Q305 B 3 0 4 0 C 2 3 3 5 E 2 3 3 6 Q306 B 8 9 C 8 9 E 2 9 4 6 Q307 B 8 9 C 3 2 9 0 E 2 9 4 7 Q308 B 0 C 0 3 8 8 E 0 2 0 Q309 B 1 7 3 8 C 4 5 9 0 E 2 9 4 7 Q310 B 0 C 8 9 E 0 Q311 B 8 9 C 8 9 ...

Page 30: ...25 2 Q708 B 120 7 123 4 C 7 4 E 118 2 124 3 Q709 B 119 120 1 C 7 3 8 E 116 119 8 Q712 B 2 7 0 3 C 8 3 6 E 2 1 1 8 5 5 WAVEFORMS A BOARD WAVEFORM 568mVp p 448mVp p 178mVp p 142mVp p 17 0mVp p 63 2mVp p 114mVp p 264mV 23 2mVp p mV 122mVp p 180mVp p 114mVp p 144mVp p 200mVp p 360mVp p 164mVp p 188mVp p 900mVp p 10mVp p 60mVp p 160mVp p PAL PAL 1 2 PAL NTSC3 58 2 3 NTSC3 58 PAL 3 4 NTSC3 58 PAL 4 5 PA...

Page 31: ... R730 R731 R755 R738 R733 R725 R756 R757 R713 R715 R705 R728 CN704 CN705 D701 CN703 R727 R761 R721 Q711 CN702 D713 D714 D715 R706 R707 C706 L710 L711 RV702 L712 R708 JW 701 JW702 JW703 JW704 CN706 EY701 EY702 EY705 EY706 CN707 CN708 CN709 R711 EY703 EY704 JW 707 JW705 JW706 JW708 EY707 CN701 R734 R703 L701 L706 R720 R722 R724 C712 C713 C714 C716 C717 C718 C719 C703 C736 C737 C746 D717 R710 R712 R7...

Page 32: ... EY055 EY056 EY057 EY058 EY059 EY060 EY061 EY062 JW134 JW 136 JW 135 R619 JW 169 JW 166 JW 159 JW152 JW154 JW153 JW164 JW156 JW 158 JW 160 C427 C428 C429 JW 132 R624 R802 R812 JW189 JW190 C209 C212 T800 R803 JW036 JW056 JW037 JW191 JW081 JW083 JW084 JW 075 JW080 JW 177 JW 175 JW 176 JW049 L802 EY082 EY083 JW023 D553 JW 018 CN301 CN302 JW106 JW188 JW 192 JW193 R512 R568 JW151 JW027 C613 JW 196 C852...

Page 33: ...74J ANODE CATHODE CATHODE ANODE CATHODE ANODE GRN ANODE GRN TRANSISTOR 2SC2785 HFE E C B LETTER SIDE 2SA1091 0 E C B 2SC2611 E LETTER SIDE C B RU3LF C4 MSD601 RT1 MSB709 RT1 UN2211 UN2213 UN2216 2SA1162 G E B C 2SC3209LK E C B 2SD2624 CA 1 2 3 SE 135N SBX3081 21 IC IRF614 005 2SC3779 M24C08 BN6 A 8 PIN CXP85224A 079S CXP85224A 080S 1 TOP VIEW DIP Dual In line Package Pin 6 98 PQO9RD11 1234 MM1319A...

Page 34: ...01 BUTTON POWER 3 X 4039 301 1 DOOR ASSY CONTROL KV PG14P40 X 4039 269 1 DOOR ASSY CONTROL KV PG14L70 H X 4039 303 1 DOOR ASSY CONTROL KV PG14L70 4 8 735 570 05 PICTURE TUBE A34LRG70X 5 1 452 032 00 MAGNET DISC 6 4 082 275 01 COVER REAR p 8 SCREWS 7 3 704 372 11 HOLDER HV CABLE 8 4 081 577 01 SPACER S DY 9 4 077 228 02 PIECE TLH CONVERGENCE 10 8 451 401 11 DEFLECTION YOKE Y14RSA S 11 1 900 212 58 ...

Page 35: ...5 00 50V C044 1 162 924 11 CERAMIC CHIP 56PF 5 00 50V C045 1 126 962 11 ELECT 3 3UF 20 00 50V C046 1 162 995 11 CERAMIC CHIP 0 022UF 50V C047 1 113 619 11 CERAMIC CHIP 0 47UF 10V C048 1 126 965 91 ELECT 22UF 20 00 50V C049 1 163 038 91 CERAMIC CHIP 0 1UF 25V C050 1 162 964 11 CERAMIC CHIP 0 001UF 10 00 50V C051 1 163 038 91 CERAMIC CHIP 0 1UF 25V C052 1 126 935 11 ELECT 470UF 20 00 10V C053 1 126 ...

Page 36: ...1 126 960 11 ELECT 1UF 20 00 50V C406 1 115 156 11 CERAMIC CHIP 1UF 10V C407 1 126 934 11 ELECT 220UF 20 00 16V C409 1 163 038 91 CERAMIC CHIP 0 1UF 25V C410 1 126 933 11 ELECT 100UF 20 00 16V C412 1 128 551 11 ELECT 22UF 20 00 25V C414 1 163 038 91 CERAMIC CHIP 0 1UF 25V C418 1 126 933 11 ELECT 100UF 20 00 16V C419 1 126 964 11 ELECT 10UF 20 00 50V C421 1 126 964 11 ELECT 10UF 20 00 50V C422 1 12...

Page 37: ... DA204K D200 8 719 914 42 DA204K D202 8 719 041 97 MA113 TX D203 8 719 041 97 MA113 TX D304 8 719 063 66 HZS361 TE D305 8 719 041 97 MA113 TX D306 8 719 109 54 RD2 2ES B2 D306 8 719 109 54 RD2 2ES B2 D307 8 719 041 97 MA113 TX D308 8 719 041 97 MA113 TX D309 8 719 069 60 UDZSTE 179 1B D310 8 719 911 19 1SS119 25 D311 8 719 070 15 NNCD8 2A T1 D312 8 719 069 60 UDZSTE 179 1B D314 8 719 908 03 GP08D ...

Page 38: ...0 1 408 608 31 INDUCTOR 27UH KV PG14L70 PG14L70 H L400 1 414 855 31 INDUCTOR 1UH L500 1 408 947 00 INDUCTOR 2 2MH L600 1 412 533 21 INDUCTOR 47UH L800 1 406 677 11 INDUCTOR 10MH L802 1 424 795 11 COIL HORIZONTAL LINEARITY L803 1 414 493 41 INDUCTOR 4 7MH PHOTO COUPLER PH600 8 749 010 64 PC123F2 TRANSISTOR Q001 8 729 421 19 UN2213 Q002 8 729 421 19 UN2213 Q003 8 729 010 25 MSD601 RT1 Q004 8 729 010...

Page 39: ... 1 10W R118 1 216 041 00 RES CHIP 470 5 1 10W R119 1 216 081 00 RES CHIP 22K 5 1 10W R120 1 216 055 00 RES CHIP 1 8K 5 1 10W R121 1 216 081 00 RES CHIP 22K 5 1 10W R122 1 216 109 00 RES CHIP 330K 5 1 10W R123 1 216 081 00 RES CHIP 22K 5 1 10W R124 1 216 081 00 RES CHIP 22K 5 1 10W R125 1 215 925 11 METAL OXIDE 22K 5 3W R128 1 216 025 11 RES CHIP 100 5 1 10W R129 1 211 977 11 METAL CHIP 22 0 5 1 10...

Page 40: ...K 5 1 10W R882 1 216 073 91 RES CHIP 10K 5 1 10W R883 1 216 067 00 RES CHIP 5 6K 5 1 10W R884 1 216 089 91 RES CHIP 47K 5 1 10W R885 1 216 073 91 RES CHIP 10K 5 1 10W R886 1 216 295 91 SHORT 0 R887 1 215 477 00 METAL 220K 1 1 4W R367 1 216 099 00 RES CHIP 120K 5 1 10W R368 1 216 049 11 RES CHIP 1K 5 1 10W R369 1 216 123 11 RES CHIP 1 2M 5 1 10W R370 1 216 083 00 RES CHIP 27K 5 1 10W R371 1 208 820...

Page 41: ...50V C709 1 102 114 00 CERAMIC 470PF 10 00 50V C710 1 102 114 00 CERAMIC 470PF 10 00 50V C712 1 102 116 00 CERAMIC 680PF 10 00 50V C713 1 102 117 00 CERAMIC 820PF 10 00 50V C714 1 102 116 00 CERAMIC 680PF 10 00 50V C716 1 126 933 11 ELECT 100UF 20 00 16V C717 1 102 106 00 CERAMIC 100PF 10 00 50V C718 1 126 933 11 ELECT 100UF 20 00 16V C719 1 102 116 00 CERAMIC 680PF 10 00 50V C736 1 102 114 00 CERA...

Page 42: ... 1 4W R729 1 249 408 11 CARBON 180 5 1 4W R730 1 249 408 11 CARBON 180 5 1 4W R731 1 249 399 11 CARBON 33 5 1 4W R732 1 249 399 11 CARBON 33 5 1 4W R733 1 249 399 11 CARBON 33 5 1 4W R734 1 219 743 11 CARBON 100 5 1 2W R738 1 247 807 31 CARBON 100 5 1 4W R739 1 247 807 31 CARBON 100 5 1 4W R740 1 247 807 31 CARBON 100 5 1 4W VARIABLE RESISTOR RV702 1 241 656 11 RES ADJ METAL FILM 110M ACCESSORIES ...

Page 43: ...Sony Corporation Sony Technology Malaysia Sdn Bhd Visual Products General Area English 2001 7 9 872 262 01 48 ...

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