Panasonic TC20LB30 - 20" LCD COLOR TV Service Manual Download Page 18

Page: 18 / 54

10.2. Power Block Diagram

TC-20LB30
Power Block Diagram

BT30V

RM001

VOUT

VCC

Q4035

LED_G

STB 3.3V

REMOTE

V_IN

V_OUT

IC901

SUB 11V

V_IN

V_OUT

IC904

MAIN 1.8V

V_IN

V_OUT

IC902

MAIN 3.3V

V_IN

V_OUT

IC906

MAIN 2.5V

IC2001

AUDIO AMP

IC4003

VCC

OP AMP

IC1003

STB 3.3V

IC1002

VCC

EEPROM

VIN

AD 2.5V

CONT

IC4009

VIN

PLL 2.5V

CONT

IC4008

IC4017

VCCQ

VCC

VCCQ

VCC

VCCQ

VCC

64Mbit SDRAM

VCCQ

VCC

IC1001

MCU

TEST

31 COMP

30 IREF

AVDD

VDD

PANEL ON

VOUT

VIN

SUB 9V

IC903

VDDE

102

VDDE

118

VDDE

129

VDDE

86 VDDE

149

160

138

VDDE

184

197

173

VDDE

220

231

209

VDDE

123

AVDPL2

VDDE

247

VDDE

245

59 AVDPL1

104

VDDI

116

VDDI

140

VDDI

VDDI 36

VDDI

116

VDDI

140

151

VDDI

175

207

VDDI

215

222

VDDI

233

VDDI

243

AVDPL3

251

GLP

IC4014

AVDAD32

AVDAD21

AVDAD22

AVDAD11

VAVDCLP

AVDAD31

AVDAD12

114

VDDI

AVDDA1

123

VDDI

135

VDDI

AVDDA2

VDDI

VDDE

105

VDDE

113

VDDE

134

VDDE

79 AVDPL1

AVDPL2

GC3FM

IC4012

KEYSCAN

POWER ON PULSE

STB 5V

REG 5V

POWER ON

UNREG 32V

INVERTER 14V

REG 5V

INVERTER 14V

Q1300

Q1301

D1302

V-BOARD

REMOTE SENSOR

LED_R

MAIN SW

Q4036

MAIN 2.5V

SUB 11V

MAIN 3.3V

MAIN 1.8V

TU001

TUNER

BLT

30V

MAIN 5V

TA2

IC2201

MTS

VCC

TA-BOARD

A15

PANEL 5V

LED_R

LED_G

REMOTE

LCD PANEL

V_IN

V_OUT

IC907

MAIN 5.0V

IC3001

VCC

AV SW

IC1011

VCC

IC1008

TEMPERATURE

SWITCHING

52 INV_ON

54 KEY

58 BS_ON

ON/OFF

+14V

POWER UNIT

RESET

ON/OFF

VCC

SENSOR

VOUT

VIN

A12

RESET

VCC

SOUND CONTROL

IC2320

VDDI

SUB 9V

MAIN 9V

MAIN 3.3V

MAIN 5V

SUB 11V

VCC

VDD

VCC

N15

VDDP

IC6512

CONT

VCC

JG1

VDDP

8Mbit FLASH

BKANK

BUFFER

VDDQ

R16

VDDC

VDDP

JG-BOARD

VCC

VDDC

VCC

D10

VDDP

IC6505

IC6520

SLOT

VPP2

D/A ENCODER

VDDQ

VDD

BUFFER

MAIN 3.3V

IC6507

VPP1

AVR 3.3V

CARD

VCC

IC6508

IC6518

B17

VDDQ

VDDC

PCCVON(H:ON, L:OFF)

IC6509

VDD

DC-DC COMV.

PC CARD

IC6506

VDDP

VCC

VDD

BYTE

VDD

MAIN 5V

IC6522

VCC

H15

SLOT

BUFFER

VDDC

IC6502

AVR 1.8V

CBF

VCC

RESET

IC6503

(NTSC)

VIN

JPEG 9V

AVDD

VDD

CONT

IC6513

MCU(JPEG)

AVDD

128Mbit SDRAM

VCC

IC6514

P31

VIN

IC6516

IC6501

VIN

U16

VDD

VDDQ

VDDP

VCC

INVERTER

VDDP

IC6515

VDDP

VCC

JG3

MAIN 5V

JG6

3.3V

GS4A

GS2

3.3V

VCC

IC6510

BUFFER

GS-BOARD

SOS

STBY +B

(30V)

(5V)

DIRECTION CONTROL

A-BOARD

Summary of Contents for TC20LB30 - 20" LCD COLOR TV

Page 1: ...t 6 W 3 W 3 W 10 THD Headphones M3 3 5 mm Jack 1 FEATURES 3D Y C Digital Comb Filter CLOSED CAPTION V Chip SD PC Card slot Operating Conditions Temperature 41 F 95 F 5 C 35 C Humidity 5 90 RH non condensing Connection Terminals INPUT VIDEO RCA PIN Type 1 2 1 0 Vp p 75 W S VIDEO MINI DIN 4pin 1 2 Y 1 Vp p 75 W C 0 286 Vp p 75 W AUDIO L R RCA PIN Type 2 2 0 5 Vrms COMPONENT VIDEO INPUT Y 1 1 0 Vp p ...

Page 2: ...tment 14 8 5 LCD GAMMA Adjustment 14 8 6 MTS Adjustment 15 9 Conductor Views 17 9 1 A Board 17 9 2 JG Board 20 9 3 GS TA and V Board 22 10 Block and Schematic Diagram 25 10 1 Schematic Diagram Notes 25 10 2 Power Block Diagram 26 10 3 Signal Block Diagram 27 10 4 A Board 1 of 5 Schematic Diagram 28 10 5 A Board 2 of 5 Schematic Diagram 29 10 6 A Board 3 of 5 Schematic Diagram 30 10 7 A Board 4 of ...

Page 3: ...led 3 After servicing make the following leakage current checks to prevent the customer from being exposed to shock hazards 2 Prevention of Electro Static Discharge ESD to Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices ...

Page 4: ... of Pb free solder as well although Pb solder may be used PCBs manufactured using lead free solder will have the PbF within 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 a high temperature soldering iron and set it to 700 20 F 370 10 C Pb free solder will tend to splas...

Page 5: ...ined settings will be erased and return to factory setting 4 1 How to access 4 1 1 Access Produce TV reception screen and while pressing VOLUME button on the main unit press SLEEP button on the remote controller unit simultaneously 4 1 2 Exit When one of the buttons for channel selection etc is pressed the display returns to the normal screen 4 2 Screen display Display Ref No Description P C B TNR...

Page 6: ...itch Audio MCU Global Core AV connector GS Board SD card slot JG Board JPEG Viewer PC card slot V Board Headphone Speaker Remote Reciever LED TA Board Tuner MTS Power Unit Power AC DC Switch None serviceable Power Unit should be exchanged for service 6 TC 20LB30 ...

Page 7: ... screws 2pcs and remove the hinge cover 3 Remove the fixing screws 2pcs 4 Remove the pedestal ass y 6 2 Rear cover 1 Remove the pedestal ass y See 6 1 2 Remove the fixing screws 12pcs and 2pcs 3 Remove the rear cover 6 3 TA Board 1 Remove the rear cover See 6 2 2 Remove the fixing screw 1pcs 3 Remove the TA Board 7 TC 20LB30 ...

Page 8: ... 4pcs 7 Remove the A Board 6 5 Power unit 1 Remove the rear cover See 6 2 2 Disconnect the couplers CN1 and CN2 3 Remove the fixing screws 6pcs 4 Remove the power unit When exchange the power unit xonfirm the TV unit is case 1 or case2 If there is no Barrier attachment Bond should be applied the same as original power unit as shown in figure Case 1 Bond is applied to power unit Case 2 Barrier is a...

Page 9: ... the fixing screw 3pcs 3 Disconnect the couplers V1 and V5 4 Remove the V Board 6 7 Speaker left and right 1 Remove the rear cover See 6 2 2 Disconnect the coupler V5 See 6 6 3 Remove the fixing screws 8pcs 4 Remove the speaker left and right 9 TC 20LB30 ...

Page 10: ...G3 and JG6 5 Remove the JG Board 6 Remove the fixing screws 4pcs 7 Remove the JG Board bracket 6 9 GS Board 1 Remove the rear cover See 6 2 2 Remove the fixing screws 2pcs 3 Disconnect the coupler JG3 4 Remove the GS Board shield case 5 Remove the fixing screws 2pcs 6 Remove the GS Board bracket 7 Disconnect the coupler GS4 8 Remove the GS Board 10 TC 20LB30 ...

Page 11: ...the cable 4 Remove the fixing screws 2pcs 5 Remove the button cover 6 Remove the fixing screws 4pcs 7 Remove the fixed metal 8 Remove the fixing screws 5pcs 9 Remove the main chassis 6 11 LCD panel 1 Remove the main chassis See 6 10 2 Remove the JG Board and the JG Board bracket See 6 8 3 Remove the fixing screws 4pcs 4 Remove the LCD panel 11 TC 20LB30 ...

Page 12: ...7 Location of Lead Wiring 12 TC 20LB30 ...

Page 13: ...number Preset value differs depending on models After entering the adjustment mode take note of the value in each item before starting adjustment Main item Sub item Remarks Sample Data MAIN Y GAIN Video level RF video component 0A B Y Video level RF video component C5 R Y Video level RF video component 4B SUB COLOR Sub color 1C TINT Sub tint 05 BACK L Sub Back light 173 BRIGHT Sub Bright 800 B Y G...

Page 14: ...ormal make it by selecting two color R GAIN or G GAIN or B GAIN except the decided standard color 2 0xff objective of coordinate x0 y0 0 277 0 002 0 279 0 002 Standard color 1 2 RED GREEN BLUE x direction B GAIN 1 R GAIN 2 R GAIN 1 y direction G GAIN 2 B GAIN 1 G GAIN 2 When turn up R GAIN and G GAIN chromaticity coordinate get bigger and when turn up B GAIN chromaticity coordinate get smaller Whe...

Page 15: ...Audio volume DAC to 40 3 Apply following RF signal at Antenna input VIDEO Flat field 30 modulation AUDIO 300Hz sine wave 30 modulation STEREO LEFT only 70dB 5dB 75 W OPEN P S 10dB Note After setting 30 modulation with PL SW and NR SW off turn PL SW and NR SW on 4 Enter into SEPAL MTS adjustment mode 5 Adjust SEPAL data Low level separation until the amplitude becomes minimum 6 Apply following RF s...

Page 16: ...10 Block and Schematic Diagram 10 1 Schematic Diagram Notes 25 ...

Page 17: ...25 ...

Page 18: ...DI VDDI 175 207 VDDI VDDI 215 222 VDDI VDDI 233 VDDI 243 AVDPL3 251 GLP IC4014 AVDAD32 AVDAD21 58 AVDAD22 47 AVDAD11 VAVDCLP AVDAD31 38 54 AVDAD12 40 52 45 114 VDDI 21 AVDDA1 123 30 VDDI VDDI VDDI 135 71 VDDI AVDDA2 VDDI 66 VDDI VDDI 88 10 75 VDDE VDDE VDDE VDDE 73 32 105 VDDE VDDE 113 VDDE 1 134 VDDE 23 12 90 VDDE 84 79 AVDPL1 AVDPL2 GC3FM IC4012 10 A9 KEYSCAN 7 9 POWER ON PULSE STB 5V 6 REG 5V P...

Page 19: ...Mbit FLASH BKANK BUFFER DO VDDQ R16 VDDC VDDP JG BOARD VCC VDDC 14 20 VCC D10 17 27 3 VDDP IC6505 31 IC6520 SLOT VPP2 VO 11 D A ENCODER J3 VDDQ 1 VDD VDD BUFFER 5 BUFFER 28 MAIN 3 3V 14 IC6507 51 47 VPP1 AVR 3 3V CARD VCC 12 VCC SD IC6508 IC6518 9 B17 A2 VDDQ VDDC 18 VO PCCVON H ON L OFF 5 10 IC6509 VDD DC DC COMV PC CARD IC6506 VDDP VCC VDD D5 R5 BYTE VDD MAIN 5V IC6522 3 VCC 18 H15 D7 SLOT BUFFE...

Page 20: ...ONENT TV PR PB V Y Q3001 Q3006 Q3008 SY OUT 52 SW COMPONENT 18 20 Y JPEG C 1 STB 3 FD15 CARD SDWP SDRAM 7 Y SDCD 12 128Mbit SDRAM CONTROL 41 8 PCCENA IC6522 BUFFER WAIT RDYBSY WP D0 D15 SDCLK CARD AND GATE 67 CONTROL SIGNAL EXT SDRAM Y ADDRESS BUS YC IC6503 CD2 OUT SLOT RESET SDCMD RESET 8Mbit FLASH 6 JG3 30 RDY BSY PC I F IDO IC6513 BUFFER A1 A10 RXD A0 A10 BVD1 BVD2 INPARK IC6501 I F GS2 IORD FO...

Page 21: ... SCL 106 OSDG05 OSDR04 96 111 OSDB04 132 LCDMUTE 64Mbit SDRAM IC4017 GLP IC4014 GC3FM IC4012 SDA2 SCL2 SDA2 SCL2 5 1 3 2 LED_G 5 A5 3 2 1 LED_R STB 3 3V REMOTE L L SPEAKER 3 V5 2 4 1 2 V1 4 1 3 6 5 R ch V BOARD SDA1 5 SCL0 SDA0 SCL1 5 SCL3 SCL2 SDA3 SDA2 Q2002 Q2004 Q1003 Q1002 7 9 6 8 11 10 STB 3 3V L ch L L hp R hp R 8 A9 9 6 POWER ON POW ON PULSE KEYSCAN 16 ON OFF A8 5 A12 7 4 6 2 1 SDA0 SCL0 S...

Page 22: ... 3 18 SC 3 19 SDET 3 20 SY 3 21 L 4 22 R 4 23 AGC 24 CV 4 25 DDET 1 26 Y 1 27 L 5 28 U 1 29 R 5 30 V 1 31 D L 1 32 Y 2 33 DDET 2 34 L 6 35 U 2 36 R 6 37 V 2 38 D L 2 39 LOUT 2 40 ROUT 2 41 TC BASS 42 S2 1 43 TC TRE 44 S2 2 45 BASS L 46 BASS R 47 TRE L 48 TRE R 49 LOUT 1 50 SCOUT 2 51 ROUT 1 52 SYOUT 53 DCOUT 54 CVOUT 1 55 GND 56 SCOUT 1 57 VCC 58 CVOUT 2 59 SCL 60 YOUT 61 SDA 62 UOUT 63 ADDRESS 64...

Page 23: ...50V 1800p IC1011 C0JBAS000099 1 2 3 4 5 6 7 8 C3051 16V 47u R058 0 R3052 22 R2323 24k R2320 5 6k R2327 33k C2343 4700p 50V C051 16V 2 2u L3001 ELJPA330KF R3070 100 R2334 56 C2344 4700p 50V C2340 0 018u 16V Q3008 2SA207700L C935 0 018u 16V C3112 6 3V 10u C2338 0 018u 16V R2328 4 7k C055 16V 0 1u R2346 150k C1BB00000800 IC2320 1 Lin 2 Rin 3 ADDout 4 Bout 5 Sout 6 ADDin 7 DIFin 8 SWin 9 HPout 10 HPin...

Page 24: ... J0JGC0000021 R2023 1 5 R2037 470 JS4019 L4006 G1C1R5K00004 JS4005 C4 6 1 C2014 16V 0 1u C2013 16V 0 1u Q2006 2SD0602ASL 1 2W R2012 56 C2003 10V 1u C2017 50V 10u R2004 100k 1 2W R2014 1 5 MAIN9V C4102 6 3V 10u C1071 16V 0 1u R2005 10k C4107 10V 1u Q4021 2SA207700L C2018 16V 2 2u 1 2W R2013 1 5 R2006 100k D2001 MA2J11100L C2010 16V 100u IC4008 C0CBCAC00095 1 Cont 2 GND 3 Noise 5 Vin 4 Vo C2025 16V ...

Page 25: ...0 1u IC2001 AN17822A 1 VCC 2 OUT1 3 GND 4 OUT1 5 STBY 6 IN1 7 GND 8 IN2 9 VOL 10 OUT2 11 GND 12 OUT2 R4181 0 R4186 0 R4155 0 C4145 6 3V 1u R4173 2 7k C2024 16V 2 2u R4211 56 R4207 56 R4212 56 R4165 1k R4174 470 C4180 16V 0 1u R4167 33 R4146 0 C4172 16V 0 1u R2027 0 R4003 0 R4176 150 L4012 J0JCC0000241 R4162 1 4k C4154 50V 0 01u R4209 56 C4177 16V 0 1u R4168 33 C4186 16V 0 1u MAIN2 5V R4151 0 C4116...

Page 26: ...104 VDDI 105 OSDCLKIN 106 OSDG5 107 OSDB0 108 OSDB1 109 OSDB2 110 OSDB3 111 OSDB4 112 OSDALF0 113 OSDALF1 114 OSDALF2 115 OSDALF3 116 VDDI 117 VSS 118 VDDE 119 OSDHO 120 OSDVO 121 OSDCLKO 122 AVSPL2 123 AVDPL2 124 VCI2 125 CPO2 VPD TEST TCK VDDE VSS SS LC C PW A9 A8 A7 A6 A5 A4 196 A3 197 VDDE 198 VSS 199 DQ31 200 DQ30 201 DQ29 202 DQ28 203 DQ27 204 DQ26 205 DQ25 206 DQ24 207 VDDI 208 VSS 209 VDDE...

Page 27: ...115 OSDALF3 116 VDDI 117 VSS 118 VDDE 119 OSDHO 120 OSDVO 121 OSDCLKO 122 AVSPL2 123 AVDPL2 124 VCI2 125 CPO2 126 VPD 127 TEST 128 TCK 129 VDDE 130 VSS 131 SS 132 LCDMUTE 133 VPOUT 134 HPOUT 135 ENB 136 VSS 137 CLKOUT 138 VDDE 139 VSS 140 VDDI 141 BO7 142 BO6 143 BO5 144 BO4 145 BO3 146 BO2 147 BO1 148 BO0 149 VDDE 150 VSS 151 VDDI 152 GO7 153 GO6 154 GO5 155 GO4 156 GO3 157 GO2 158 GO1 159 GO0 16...

Page 28: ...6V 47u L4023 R928 1 5k R4293 22k D909 MAZ80510ML JS906 0 D900 MAZ80330HL JS903 0 R900 33 R4295 1k C933 16V 100u JS901 0 Q4035 B1DHDC000021 C909 0 1u 16V JS904 0 D902 B0JANG000003 R907 0 IC902 C0DBEZE00005 1 IN 2 ON OFF R929 1 5k C4285 50V 0 01u R909 820 C903 330u 50V C929 330u 16V R4297 0 A8 K1KA20A00272 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 D910 MA2J11100L MAIN2 5V Q4036 UNR521100L JS90...

Page 29: ...7 38 39 40 41 42 43 44 45 46 47 48 49 50 SUB9V FL9002 J0HAAB000027 OUT1 OUT2 OUT3 OUT4 IN3 IN2 IN1 G G IN4 R933 0 C911 16V 0 1u D913 B0ECKM000003 C909 0 1u 16V R9075 R917 1k IC902 C0DBEZE00005 1 IN 2 ON OFF 3 OUT 4 V_adj 5 GND 6 OUT C910 16V 100u R916 453 L903 G1BYYYJ00004 1 2 3 4 C914 10V 1u R909 820 R9076 0 C939 10V 1u FL9005 J0HAAB000027 OUT1 OUT2 OUT3 OUT4 IN3 IN2 IN1 G G IN4 R4297 0 3 4 5 6 7...

Page 30: ...10k R1013 0 R1008 2 7k R1124 22k R1012 100 R1123 10k R1028 10k MAIN5V C1010 10V 1u C1008 50V 100p C1061 50V 0 01u Q1002 2SC584500L R1003 47k STBY3 3V C1076 6 3V 1u R1014 0 R1136 100 R1027 12k R1152 100 C0EBE0000341 IC1003 1 Vo 2 GND 3 Cd 5 VIN 4 VOR R1125 22 C1014 16V 0 1u R1002 10k R1137 100 Q1005 2SC584500L R1128 10k C1006 10V 1u R1004 47k C1009 10V 1u C1016 50V 18p R1141 100 R1005 47k MAIN5V R1...

Page 31: ...1043 0 R1136 100 R1027 12k R1152 100 C0EBE0000341 IC1003 VOR R1147 4 64k C1014 16V 0 1u C1040 10V 1u D1002 MAZ80620ML C1028 16V 0 1u R1137 100 C930 10V 1u Q1005 2SC584500L R1144 4 64k R1103 100 R1081 0 STBY3 3V C1009 10V 1u R1093 100 R1098 4 7k R1066 1k C1029 6 3V 47u C1016 50V 18p R1141 100 R1042 390k R1047 100 R1083 0 R1074 0 C937 10V 1u Q1006 2SC584500L R1105 0 R1029 1M C1046 50V 0 01u SUB5V R1...

Page 32: ...16V 0 1u C6524 6 3V 10u R6579 10 9V R R6527 22k R6537 R6885 47 D3 3V R R R6503 10k PCC5V C6510 10V 100u C6502 16V 0 1u R6528 22k R C6513 10V 100u R6524 47 R6540 R6523 47 R6509 47 R6875 10k R6538 C6512 6 3V 47u C0JBAZ002059 IC6503 1 1DIR 2 1B1 3 1B2 4 GND 5 1B3 6 1B4 7 VCCB 3 3V_5V 8 1B5 9 1B6 10 GND 11 1B7 12 1B8 13 2B1 14 2B2 15 GND 16 2B3 17 2B4 18 VCCB 3 3V_5V 19 2B5 20 2B6 21 GND 22 2B7 23 2B8...

Page 33: ... 10k PCC5V R6528 22k IC6508 C0JBAZ001120 1 OE1 2 A1 3 A2 4 A3 5 A4 6 A5 7 A6 8 A7 9 A8 10 GND 11 Y8 12 Y7 13 Y6 14 Y5 15 Y4 16 Y3 17 Y2 18 Y1 19 OE2 20 Vcc R6549 47 R6561 22k C0JBAB000408 IC6522 1 1A 2 1Y 3 2A 4 2Y 5 3A 6 3Y 7 GND 8 4Y 9 4A 10 5Y 11 5A 12 6Y 13 6A 14 VCC C6521 16V 0 1u R6643 10k R6602 4 7k R6555 100 C6548 16V 0 1u R6540 47 IC6509 C0JBAZ001590 1 OE1 2 A1 3 A2 4 A3 5 A4 6 A5 7 A6 8 ...

Page 34: ... 10k IC6513 T9 VDDC IC6513 T10 CE1 IC6513 P7 WKP R6676 22 IC6513 T6 P23 IC6513 D11 NC IC6513 D17 FD3 R6863 100 IC6513 N3 P34 R6682 22 IC6513 R8 P20 IC6513 C1 SI IC6513 P11 P15 R6880 0 IC6513 A4 MA6 R6809 100 R6734 220 C6554 16V 0 1u IC6513 T15 USBP C6553 16V 0 1u IC6513 R9 P16 IC6513 K15 FA11 IC6513 R11 IORD IC6513 R16 P31 R6748 47 R6860 100 IC6513 A16 P40 IC6513 N14 NC IC6513 C15 LD1 R6711 0 C655...

Page 35: ... 100p ZA6502 TESA169 R6854 1k C6604 16V 0 1u D3 3V Q6504 2SC584500L JS6521 R6891 0 R6823 1k R6853 1k R6793 5 1k C6615 50V 47p R6813 33k D3 3V JS6522 R6827 0 Q6503 2SC584500L ZA6504 TESA169 R6814 33k C6633 50V 100p IC6515 C0CBCBD00005 1 Cont 2 GND 3 Noise 5 Vo 4 Vin R6789 1k Q6505 2SC584500L C6635 50V 100p C6576 10u 6 3V JS6545 C6638 50V 100p IC6516 C1AB00001815 1 YD0 2 YD1 3 YD2 4 YD3 5 YD4 6 YD5 ...

Page 36: ... MPX IN 15 PILOT DET 16 PLL 17 GND 18 SCL 19 SDA 20 PE 21 L OUT 22 R OUT 23 CONTRAST 24 GND TP016 TP012 C 50 C 10 R010 470 C2204 10V 0 47u TP013 R004 0 C 10 C2206 50V 0 1u R002 22 C008 16V 0 1u C 16 C 50 R2206 0 R2204 1 2k C2203 50V 10u TA1 1 2 3 4 5 6 7 8 9 C2200 16V 0 047u C 25 C2202 50V 0 1u TP018 TA2 1 2 3 4 5 6 7 8 9 R2201 22 L001 47u R016 2 2k C027 16V 0 22u TP010 C002 16V 470u R007 100 R220...

Page 37: ...T GND VCC C2104 50V 0 01u V5 K1KA04B00056 1 2 3 4 C2101 50V 0 01u C2102 50V 0 01u R1300 2 2k TP057 TP051 C2105 50V 0 01u D1302 B3CKE0000007 C1300 50V 0 01u TP056 TP061 R2104 0 TP052 TP055 D2101 MAZ81400ML D1300 MAZ80430ML TP059 C2103 50V 0 01u TP053 R1305 220 C1301 6 3V 47u Q1300 UNR211300L R2101 0 D1301 MAZ80430ML JK2101 K2HC103B0093 1 2 3 4 5 6 7 C2106 50V 0 01u R2106 0 R2102 0 TP062 D2106 MAZ81...

Page 38: ...ERTER 14V INVERTER 14V Q1300 Q1301 D1302 5 V BOARD V1 3 2 REMOTE SENSOR 1 5 A5 3 2 1 LED_R MAIN SW Q4036 MAIN 2 5V SUB 11V MAIN 3 3V MAIN 1 8V 4 6 TU001 B 15 3 TUNER BLT A2 30V MAIN 5V 4 TA2 6 7 IC2201 MTS VCC TA BOARD A15 44 47 PANEL 5V PANEL 5V LED_R LED_G REMOTE LCD PANEL V_IN 1 3 V_OUT 6 IC907 MAIN 5 0V 2 IC3001 VCC AV SW 57 IC1011 VCC IC1008 TEMPERATURE 8 7 8 SWITCHING 52 INV_ON 54 KEY 58 BS_...

Page 39: ...1 3 2 LED_G 5 A5 3 2 1 LED_R STB 3 3V REMOTE L L SPEAKER 3 V5 2 4 1 2 V1 4 1 3 6 5 R ch V BOARD SDA1 5 SCL0 SDA0 SCL1 5 SCL3 SCL2 SDA3 SDA2 Q2002 Q2004 Q1003 Q1002 R L SDA1 5 SCL1 5 SCL1 5 SDA1 5 7 9 6 8 11 10 STB 3 3V L ch L L hp R hp R 8 A9 9 6 POWER ON POW ON PULSE KEYSCAN 16 ON OFF A8 5 A12 7 4 6 2 1 SDA0 SCL0 SDA2 SDA1 SCL2 SCL1 IRQ STB B STB 5V SCL3 SDA3 Q2003 Q2005 Q1004 Q1001 OSD B OSD G O...

Page 40: ...4005 R902 C4112 ZA4006 R904 IC1010 R1018 IC1011 R905 R1019 R906 C4116 IC1012 C1042 C1043 C4118 C1044 C4119 C1045 C1047 R1020 ZA4010 ZA4011 C1049 R1021 R1022 R1023 R910 C4120 R911 C4121 R912 R1026 C4123 C4127 C4128 C4129 C1055 C1058 C1059 R1033 C4132 C4133 C1061 R4301 R926 C1062 C4136 C1063 C4139 C2006 Q2002 Q2003 Q2004 Q2005 R4115 JK3001 R4116 JK3002 R4117 JK3003 Q2008 C4140 JK3004 R4118 JK3005 R4...

Page 41: ...2 R913 R1027 R914 C4124 R1028 C1050 R1029 R916 R917 R919 C1056 R1030 R1031 R1032 R1034 R921 R1035 R922 R1036 R923 R1037 R924 C4134 R1038 C2001 R925 C4135 R1039 C2002 R4302 R927 C2003 R4303 C4137 C2004 R928 C4138 R929 C1065 C2006 C1066 C1067 C2008 R1040 C2009 JK3001 Q2006 JK3002 R1042 Q2007 JK3003 R1043 R930 JK3004 R1044 Q2009 JK3005 C4141 R1045 C4142 R1047 C2010 C4144 R1048 C2011 C4145 R1049 R937 ...

Page 42: ...905 B 2 Q906 C 2 Q909 C 4 Q1001 F 5 Q1002 D 4 Q1003 D 4 Q1004 E 5 Q1005 F 4 Q1007 F 4 Q1008 F 5 Q1009 E 5 Q1010 E 5 Q1011 E 5 Q1012 F 5 Q1013 F 5 Q1014 E 5 Q1015 E 5 Q1017 E 6 Q2002 B 2 Q2003 B 3 Q2004 B 2 Q2005 B 3 Q2008 B 3 Q3001 F 3 Q3002 D 2 Q3003 D 3 Q3004 E 3 Q3006 F 3 Q3007 D 4 Q3008 F 3 Q3009 D 3 Q3010 D 3 Q3011 F 4 Q4014 F 3 Q4015 F 3 Q4016 F 3 Q4019 F 3 Q4020 F 3 Q4021 F 3 Q4024 F 3 Q402...

Page 43: ...29 30 1 5 ORDER NO 1 12 TNPA3345 1 TA C002 C2203 TU001 C009 TA1 TA2 L001 D1302 SN001 V1 V5 RM001 JK2101 C1301 C1305 TNPA3344 V 1 1 2 3 4 5 6 7 ORDERNO VIDEO AGCCONT SCL IFOUT BT B SIF OUT SDA BTL RF AGF AFT AGCADJ AUDIO 1 9 1 9 ORDERNO 1 2 15 16 1 4 GS BOARD COMPONENT SIDE TNPA3302AB V BOARD COMPONENT SIDE TNPA3344 TA BOARD COMPONENT SIDE TNPA3345 TC 20LB30 GS BOARD TNPA3302AB TC 20LB30 TA BOARD T...

Page 44: ...08 C026 C027 C2200 C2201 C2202 C2204 C2205 C2206 C2207 C2208 C2209 C2210 C2211 C2212 C2213 C2215 R2200 R2201 R2202 R2203 R2204 R2205 R001 R002 R004 R006 R007 R009 R010 R016 TU001 IC2201 Q001 R2206 C009 TA1 TA2 L001 C1310 D1300 D1301 D1302 R1300 R1301 R1302 R1303 R1304 R1305 R1306 D1310 D1311 D1312 R1310 R1311 R1312 C2101 C2102 C2103 C2104 C2105 C2106 SN001 D2101 D2102 D2103 D2104 R2101 D2105 R2102...

Page 45: ...4 R815 R819 R820 R822 R823 R828 C666 C667 C669 R837 R838 R839 C670 C671 R840 R841 R842 R662 R859 R665 R668 R669 R860 R861 R862 R863R864 R670 R671 R866 R672 R867 R673 R868 R674 R869 R675 R676 R677 R678 R679 R870 R871R872 R873R874 R680 R681 R682 R683 R877 R684 R685 R686 R687 R688 R689R690 R691 R888 R695 R696 R891 Q503 C508 Q504 C510 C513 CR NO 6 A A 1 JG TNPA3343 AB AC AE AD A B C 1 5 10 15 17 E G J...

Page 46: ... R617 R618 R619 R810 L502 L504 R620 L505 R621 R622 R816 R817 R623 L508 R624 L509 R626 R627 R628 R629 L510 R630 R824 R631 R632 R827 R633 R634 R829 R635 R636 R637 R638 R639 C665 R833 R834 R640 R835 R641 R642 R836 R643 R644 R645 R646 R647 R649 TP513 TP514 TP515 TP516 R843 R844 R650 R845 TP519 R651 R846 R652 R847 R653 R848 R654 R849 R656 R657 R658 TP520 R659 TP521 TP522 TP523 R850 TP524 TP525 TP526 R8...

Page 47: ...3 DCOUT 54 CVOUT 1 55 GND 56 SCOUT 1 57 VCC 58 CVOUT 2 59 SCL 60 YOUT 61 SDA 62 UOUT 63 ADDRESS 64 VOUT R3027 1k R3050 1k R2342 68k R3024 220 R3062 100 C2337 330p 50V C2339 330p 50V R3039 220 C3004 6 3V 10u C2336 0 018u 16V C3015 10V 1u R3051 220 R3094 0 R3025 1k R3084 220 R2345 56k R3111 0 C2346 4700p 50V R060 0 D3027 MAZ81400ML R2339 47k C3085 50V 1000p R3023 1k D2320 MAZ80620ML R3077 750 R3102 ...

Page 48: ... 1u R4187 22 C2020 16V 2 2u ZA4004 TESA169 Q2010 UNR221100L C4136 16V 0 1u R2019 1 5 R4140 33 R4200 56 EXB38V560JV L4007 J0JCC0000241 C4143 16V 0 1u C4118 10V 1u C2023 16V 2 2u R2018 10k C4100 6 3V 10u R2032 2 2k R4125 270 C4187 16V 0 1u C4098 16V 0 1u R2024 1 3k R4136 1k C2001 50V 0 01u R2031 5 1k C2009 16V 0 1u R2035 0 R4145 1k C4184 16V 0 1u R2008 2 2k R4120 1k C4135 16V 0 1u R4188 2 7k R4210 5...

Page 49: ...SDG4 102 VDDE 103 VSS 104 VDDI 105 OSDCLKIN 106 OSDG5 107 OSDB0 108 OSDB1 109 OSDB2 110 OSDB3 111 OSDB4 112 OSDALF0 113 OSDALF1 114 OSDALF2 115 OSDALF3 116 VDDI 117 VSS 118 VDDE 119 OSDHO 120 OSDVO 121 OSDCLKO 122 AVSPL2 123 AVDPL2 124 VCI2 125 CPO2 126 VPD 127 TEST 128 TCK 129 VDDE 130 VSS 131 SS 132 LCDMUTE 133 VPOUT 134 HPOUT 135 ENB 136 VSS 137 CLKOUT 138 VDDE 139 VSS 140 VDDI 141 BO7 142 BO6 ...

Page 50: ... 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 C933 16V 100u SUB9V FL9002 J0HAAB000027 OUT1 OUT2 OUT3 OUT4 IN3 IN2 IN1 G G IN4 JS901 0 R933 0 Q4035 B1DHDC000021 C911 16V 0 1u D913 B0ECKM000003 C909 0 1u 16V R9075 JS904 0 D902 B0JANG000003 R917 1k R907 0 IC902 C0DBEZE00005 1 IN 2 ON OFF 3 OUT 4 V_adj 5 GND 6 OUT C910 16V 100u R916 453 L903 G1BYYYJ00004 1 2 3 4 R929 1 5k C4285 50V 0 01...

Page 51: ...76 6 3V 1u R1101 100 R1014 0 R1080 0 R1043 0 R1136 100 R1027 12k R1152 100 C0EBE0000341 IC1003 1 Vo 2 GND 3 Cd 5 VIN 4 VOR R1147 4 64k R1125 22 C1014 16V 0 1u R1002 10k C1040 10V 1u D1002 MAZ80620ML C1028 16V 0 1u R1137 100 C930 10V 1u Q1005 2SC584500L R1128 10k R1144 4 64k R1103 100 C1006 10V 1u R1081 0 R1004 47k STBY3 3V C1009 10V 1u R1093 100 R1098 4 7k R1066 1k C1029 6 3V 47u C1016 50V 18p R11...

Page 52: ... VCC C6513 10V 100u C6521 16V 0 1u R6643 10k R6602 4 7k R6555 100 C6548 16V 0 1u R6524 47 R6540 47 IC6509 C0JBAZ001590 1 OE1 2 A1 3 A2 4 A3 5 A4 6 A5 7 A6 8 A7 9 A8 10 GND 11 Y8 12 Y7 13 Y6 14 Y5 15 Y4 16 Y3 17 Y2 18 Y1 19 OE2 20 Vcc R6523 47 R6557 100 R6509 47 D3 3V R6616 10k R6875 10k R6619 10k IC6506 C0JBAZ001713 1 1OE 2 1A 3 1Y 4 2OE 5 2A 6 2Y 7 GND 8 3Y 9 3A 10 3OE 11 4Y 12 4A 13 4OE 14 VCC R...

Page 53: ...17 FD3 R6863 100 IC6513 N3 P34 C6634 50V 100p R6682 22 IC6513 R8 P20 IC6513 C1 SI IC6513 P11 P15 R6880 0 IC6513 A4 MA6 R6809 100 R6734 220 C6554 16V 0 1u IC6513 T15 USBP C6553 16V 0 1u IC6513 R9 P16 IC6513 K15 FA11 IC6513 R11 IORD IC6513 R16 P31 C6589 16V 0 01u R6748 47 R6860 100 IC6513 A16 P40 IC6513 N14 NC IC6513 C15 LD1 R6711 0 C6559 16V 0 1u R6742 47 R6843 100 IC6513 U17 GNDP R6829 0 C6583 16V...

Page 54: ...010 C002 16V 470u R007 100 R2200 22 TU001 ENG36A16GF NC 1 AGC_ADJ 2 B_ 5V 3 NC 4 NC 5 NC 6 BT 7 RF AGC 8 IF_OUT 9 SCL 10 SDA 11 AFT 12 AUDIO OUT 13 NC_ SIF OUT 14 BTL_ 30V 15 AGC_CONT 16 VIDEO_OUT 17 C2201 16V 0 047u C001 16V 0 1u R001 22 C2212 4 7u 10V TP015 TP011 C026 10V 2 2u R2203 1 2k Q1301 UNR211300L TP058 RM001 PNA4701M05TV VOUT GND VCC C2104 50V 0 01u V5 K1KA04B00056 1 2 3 4 C2101 50V 0 01...

Search results

Summary of Contents for TC20LB30 - 20" LCD COLOR TV

Reviews:

Related manuals for TC20LB30 - 20" LCD COLOR TV

Brands by name

Popular brands

Panasonic TC20LB30 - 20" LCD COLOR TV, Service Manual

Search results

Summary of Contents for TC20LB30 - 20" LCD COLOR TV

Reviews:

Related manuals for TC20LB30 - 20" LCD COLOR TV

Brands by name

Popular brands