Panasonic TH-32A400S Service Manual Download Page 26

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TH-32A400S TH-32A410S

8 Measurements and Adjustments

8.1.

Voltage chart of A-board

Set A-Board to a dummy set and check the satisfaction with the specified voltage as following table.

8.2.

Voltage chart of P-board

Set P-Board to a dummy load and check the satisfaction with the specified voltage as following table.

Power Supply Name

Measurement Point

Specification (V)

Remark

SUB1.2V

TP8004

1.14 - 1.26

SUB3.3V

TP8003

3.19 - 3.46

SUB5V

TP8002

4.92 - 5.25

STB5V

TP8009

5.3 ± 0.3

PNL12V

TP4300

11.5 - 12.5

Output

Test Point

Specification

Operate

5.3V

TP7507

5.3 ± 0.3V

16V

TP7512/TP7513

15.8 ± 0.6 V

Summary of Contents for TH-32A400S

Page 1: ...rvice Mode 9 5 1 1 Purpose 9 5 1 2 Key command 9 5 1 3 How to exit 9 5 1 4 Contents of adjustment mode 9 5 1 5 Display of SOS History 10 5 1 6 Exit 10 5 1 7 Hotel Mode 10 6 Troubleshooting Guide 11 6 1 Check of the IIC bus lines 11 6 1 1 How to access 11 6 1 2 Self check indication only 11 6 1 3 Self check indication and forced to factory shipment setting 11 6 1 4 Exit 11 6 1 5 Screen display 11 6...

Page 2: ...Metal BC 24 7 12 Back Cover Installation 25 8 Measurements and Adjustments 26 8 1 Voltage chart of A board 26 8 2 Voltage chart of P board 26 9 Block Diagram 27 9 1 Main Block Diagram 27 10 Wiring Connection Diagram 28 10 1 Wire Dressing 28 11 Schematic Diagram 29 12 Printed Circuit Board 44 13 Exploded View and Replacement Parts List 49 ...

Page 3: ...meter between the jumpered AC plug and each exposed metallic cabinet part on the equipment such as screwheads connectors control shafts etc When the exposed metallic part has a return path to the chassis the reading should be 100 Mohm and over When the exposed metal does not have a return path to the chassis the reading must be 1 1 2 Leakage Current Hot Check See Figure 1 1 Plug the AC cord direct...

Page 4: ...or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static ESD protected can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do n...

Page 5: ... manufactured using lead free solder will have the PbF within a leaf Symbol PbF 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 splash when heated too high about 1100 F or 600 C If you must u...

Page 6: ...32A410S 6 3 Service Navigation 3 1 Service Hint Board Name Main Device Remarks A BOARD TUN EEP SPI MTK IC Repairable P BOARD Power Supply Power switch Keyscan Repairable K BOARD Remote LED Luminence Sensor Repairable ...

Page 7: ...c Sound Audio output 20 W 10 W 10 W Receiving Systems Band name 17 SYSTEMS FUNCTION 1 PAL B G H Reception of broadcast transmissions and Playback from Video Cassette Tape Recorders 2 PAL I 3 PAL D K 4 SECAM B G 5 SECAM D K 6 SECAM K1 7 NTSC M NTSC 3 58 4 5 MHz 8 NTSC 4 43 5 5 MHz Playback from Special VCR s or DVD 9 NTSC 4 43 6 0 MHz 10 NTSC 4 43 6 5 MHz 11 NTSC 3 58 5 5 MHz 12 NTSC 3 58 6 0 MHz 1...

Page 8: ...32A410S 8 Note Design and Specifications are subject to change without notice Mass and Dimensions shown are approximate Aerial input VHF UHF Operating Conditions Temperature 0 C 40 C Humidity 20 80 RH non condensing ...

Page 9: ...tton Value of sub items change in forward direction in reverse direction 5 1 3 How to exit Switch off the power with the POWER button on the main unit or the POWER button on the remote control 5 1 4 Contents of adjustment mode Value is shown as a hexadecimal number Preset value differs depending on models After entering the adjustment mode take note of the value in each item before starting adjust...

Page 10: ...f give priority to a last memory Initial VOL LEVEL Adjust the volume when each time power is switched on Selection Range Off 0 to 100 Off give priority to a last memory Maximum Vol Level Adjust maximum volume Range 0 to 100 Button Lock Select local key conditions Selection Off SETUP MENU ALL OFF altogether valid SETUP only F key is invalid Tuning guide menu can not be selected MENU only F key is i...

Page 11: ...on only Produce TV reception screen and while pressing VOLUME button on the main unit press OK button on the remote control for more than 3 seconds 6 1 3 Self check indication and forced to factory shipment setting Produce TV reception screen and while pressing VOLUME button on the main unit press MENU button on the remote control for more than 3 seconds 6 1 4 Exit Disconnect the AC cord from wall...

Page 12: ...block can be identified by the number of blinking times of the Power LED on the front panel of the unit as follow 6 3 Method of detecting SOS 1 BL_SOS Detection beginning after one second pass from BL_ON ON 2 TV_SOS Detection beginning after one second pass from AMP_SHUTDOWN ON 3 SOUND_SOS Detection beginning AMP_SHUTDOWN ON Priority Name Factor R_LED Blink 1 BL_SOS SOS from PANEL inverter 1 2 TV_...

Page 13: ...splay the several test patterns And then judge by the following method Still abnormal picture is displayed The cause must be in LCD Panel Normal picture is displayed The cause must be in A board Remarks The test pattern is created by the circuit in LCD Panel In LCD Panel test mode this test pattern is displayed unaffected by signal processing for RF or input signal If the normal picture is display...

Page 14: ...TH 32A400S TH 32A410S 14 7 Disassembly and Assembly Instructions 7 1 SP Bracket Metal Bottom Fix speaker left right No Description Qty UOM 01 SPEAKER UNIT 2 PC 02 SPEAKER BRACKET 4 PC 03 SP SPONGE 4 PC ...

Page 15: ...d This may cause scratches on the surface 3 Take care not to subject the TV s surface to water or detergent Any liquid including pets urine if enters the product could lead to TV failure 4 Take care not to subject the surface to insect repellent solvent thiner or other voiltile substances This may degrade surface quality or cause peeling of the paint 5 The surface of the display panel is specially...

Page 16: ...TH 32A400S TH 32A410S 16 7 3 LCD Panel Assembly Stick Barrier on LCD panel No Description Qty UOM 01 LCD PANEL 1 PC 02 BARRIER 1 PC ...

Page 17: ... 32A410S 17 7 4 LED Panel Ass y 1 Fix K PCB to LED PANEL CASE 2 Fix wire A10 to K PCB 3 Fix LED panel to LED PANEL CASE 4 Fix LED PANEL ASSY to cabinet No Description Qty UOM 01 LED PANEL 1 PC 02 LED PANEL CASE 1 PC ...

Page 18: ...TH 32A400S TH 32A410S 18 7 5 Metal Bracket 1 1 Install Vesa Metal 2pc on panel 2 Install Pedestal Metal Bracket No Description Qty UOM 01 VESA METAL 2 PC 02 PEDESTAL METAL BRACKET 2 PC ...

Page 19: ...TH 32A400S TH 32A410S 19 7 6 Metal Bracket 2 1 Install Key Button Bracket 2 Install Side AV Bracket No Description Qty UOM 01 KEY BUTTON BRACKET 1 PC 02 SIDE AV BRACKET 1 PC ...

Page 20: ...TH 32A400S TH 32A410S 20 7 7 PCB Installation 1 Install P A Board 2 Fix A PCB Bracket ...

Page 21: ...TH 32A400S TH 32A410S 21 7 8 Screw Fixing Fix all screw follow below picture No Description Qty UOM Remarks 01 SCREW A2 P5 VESA2 SP4 MTLBRKT4 17 PC 6 1 Kgf cm ...

Page 22: ...32A410S 22 7 9 Stand Mould Assy Preparation Follow below step for Stand Mould assy preparation No Description Qty UOM 01 STAND MOULD 1 PC 02 SCREW STAND 3 PC 03 SCREW PEDESTAL 4 PC 04 BAG 1 PC 05 BAR CODE LABEL 1 PC ...

Page 23: ...TH 32A400S TH 32A410S 23 7 10 Pedestal Ass y Fix rubber foot 5 pc at Pedestal cover No Description Qty UOM 01 BASE COVER 1 PC 02 RUBBER FOOT 5 PC 03 BAG FOR PEDESTAL 1 PC ...

Page 24: ...TH 32A400S TH 32A410S 24 7 11 Vesa Metal BC Install vesa metal 2 pc into back cover No Description Qty UOM 01 BACK COVER 1 PC 02 VESA METAL 2 PC ...

Page 25: ...TH 32A400S TH 32A410S 25 7 12 Back Cover Installation 1 Install Back cover 2 Fix screws No Description Qty UOM Remarks 01 BACK COVER 1 PC 02 SCREW 16 PC 6 1 Kgf cm 03 SCREW 4 PC 6 1 Kgf cm ...

Page 26: ...hart of P board Set P Board to a dummy load and check the satisfaction with the specified voltage as following table Power Supply Name Measurement Point Specification V Remark SUB1 2V TP8004 1 14 1 26 SUB3 3V TP8003 3 19 3 46 SUB5V TP8002 4 92 5 25 STB5V TP8009 5 3 0 3 PNL12V TP4300 11 5 12 5 Output Test Point Specification Operate Operate 5 3V TP7507 5 3 0 3V 5 3 0 3V 16V TP7512 TP7513 15 8 0 6 V...

Page 27: ...Slot High side switch USB side JK8601 Audio AMP I2S AMP RMT KEY LED 32 10W x 2 39 㨪 10W x 2 LVDS HD DATA 4pairs CLK 1pair single8bit FHD DATA 4pairs CLK 1pair dual8bit Op Amp IIC HK S A US MEX On board Si2157 YAMAHA same as MT5307project VIDEO AUDIO AV2 side JK3002 Prep Audio out JK3000 Prep AV1 JK3100 HDMI analog audio in HDMI1 JK4701 HDMI2 JK4702 CEC 32 10W x 2 39 㨪 10W x 2 Opt D3051 Demod T2 IS...

Page 28: ...TH 32A400S TH 32A410S 28 10 Wiring Connection Diagram 10 1 Wire Dressing Do wire dressing follow below spec No Description Qty UOM Remarks 01 PET TAPE 0 36 MT 0 06 6 02 LVDS CABLE 1 PC ...

Page 29: ...TH 32A400S TH 32A410S 29 11 Schematic Diagram Model No TH 32A400S TH 32A410S A Board 1 13 ...

Page 30: ...Model No TH 32A400S TH 32A410S A Board 2 13 ...

Page 31: ...Model No TH 32A400S TH 32A410S A Board 3 13 ...

Page 32: ...Model No TH 32A400S TH 32A410S A Board 4 13 ...

Page 33: ...Model No TH 32A400S TH 32A410S A Board 5 13 ...

Page 34: ...Model No TH 32A400S TH 32A410S A Board 6 13 ...

Page 35: ...Model No TH 32A400S TH 32A410S A Board 7 13 ...

Page 36: ...Model No TH 32A400S TH 32A410S A Board 8 13 ...

Page 37: ...Model No TH 32A400S TH 32A410S A Board 9 13 ...

Page 38: ...Model No TH 32A400S TH 32A410S A Board 10 13 ...

Page 39: ...Model No TH 32A400S TH 32A410S A Board 11 13 ...

Page 40: ...Model No TH 32A400S TH 32A410S A Board 12 13 ...

Page 41: ...Model No TH 32A400S TH 32A410S A Board 13 13 ...

Page 42: ...Model No TH 32A400S TH 32A410S K Board ...

Page 43: ...Model No TH 32A400S TH 32A410S P Board ...

Page 44: ...TH 32A400S TH 32A410S 44 12 Printed Circuit Board Model No TH 32A400S TH 32A410S A Board Top Component Side ...

Page 45: ...Model No TH 32A400S TH 32A410S A Board Bottom Component Side ...

Page 46: ...Model No TH 32A400S TH 32A410S K Board ...

Page 47: ...Model No TH 32A400S TH 32A410S P Board Top Component Side ...

Page 48: ...Model No TH 32A400S TH 32A410S P Board Bottom Component Side ...

Page 49: ...TH 32A400S TH 32A410S 49 13 Exploded View and Replacement Parts List Model No TH 32A400S TH 32A410S Parts Location ...

Page 50: ...Model No TH 32A400S TH 32A410S Packing Exploded View 1 ...

Page 51: ...Model No TH 32A400S TH 32A410S Packing Exploded View 2 ...

Page 52: ...3170 F1J1A106A043 C 10UF 10V C3173 F1G1H152A946 C 1500PF 50V C3174 F1G1A473A069 C0 047UF 10V C4010 F1H1H103B047 C 0 01UF 50V C4011 F1H1H103B047 C 0 01UF 50V C4012 F1J1C475A225 C 4 7UF 10V C4300 F1K1V106A010 C 10UF 25V C4302 F1G1C104A146 C 0 1UF 16V C4303 F1G1C223A146 C 0 022UF 16V C4305 F1G1E332A144 C 3300PF 25V C4306 F1K1V106A010 C 10UF 25V C4307 F1K1V106A010 C 10UF 25V C4308 F1K1V106A010 C 10UF ...

Page 53: ...16V C6781 F1G1H331A830 C 330PF 50V C6782 F1G1H121A834 C 120PF 50V C6783 F1G1H121A834 C 120PF 50V C6788 F1G1H101A948 C 100PF 50V C6789 F1G1H181A834 C 180PF 50V C6790 F1G1H181A834 C 180PF 50V C6791 F1G1H102A834 C 1000PF 50V C6793 F1G1H102A834 C 1000PF 50V C6795 F1G1C104A146 C 0 1UF 16V C6797 F1G1H102A946 C 1000PF 50V C6798 F1G1H102A946 C 1000PF 50V C6799 F1H1H181B052 C 180PF 50V C7101 F0CAF1040016 C...

Page 54: ...G1E332A144 C 3300PF 25V C8101 F1J1A106A043 C 10UF 10V C8102 F1J1A106A043 C 10UF 10V C8103 F1H0J4750004 C 4 7UF 16V C8104 F1J1A106A043 C 10UF 10V C8105 F1K1V106A010 C 10UF 25V C8106 F1J1A106A043 C 10UF 10V C8108 F1G1C104A146 C 0 1UF 16V C8109 F1G1C103A173 C 0 01UF 16V C8111 F1G1E332A144 C 3300PF 25V C8112 F1J0J2260004 C 22 UF 6 3 V C8113 F1G1C103A173 C 0 01UF 16V C8115 F1H1C105A167 C 1UF 10V C8116 ...

Page 55: ...8188 F1G1C104A146 C 0 1UF 16V C8189 F1G1A105A047 C 1UF 10V C8191 F1G1C104A146 C 0 1UF 16V C8192 F1G1C104A146 C 0 1UF 16V C8193 F1G1A105A047 C 1UF 10V C8196 F1H1C105A167 C 1UF 10V C8850 F1H0J4750004 C 4 7UF 16V C8900 F1G1C104A146 C 0 1UF 16V C8901 F1G1C104A146 C 0 1UF 16V DIODES D1001 DZ2J140M0L DIODE D1002 DZ2J140M0L DIODE D1003 DZ2J140M0L DIODE D1004 DZ2J140M0L DIODE D1005 DZ2J140M0L DIODE D1007 ...

Page 56: ...102 IC IC6750 C1AB00004172 IC IC7301 C0DBBYY00065 IC IC7501 C0DBZYY00531 IC IC7502 C0DBEYY00146 IC IC7800 C0ZBZ0002197 IC IC8001 C1AB00004200 IC IC8002 C0DBAYY01300 IC IC8003 C0DBAYY01644 IC IC8004 C0DBAYY01644 IC IC8005 C0DBAYY01644 IC IC8008 C0DBGYY00887 IC IC8900A TVR4G282 AA ROM VERSION IC IC8902 C3EBJY000066 IC COILS L2000 J0JYC0000328 COIL L4300 G1C220MA0445 INDUCTOR L4901 G1C220MA0533 INDUC...

Page 57: ...000231 TRANSISTOR Q5170 B1ABCF000231 TRANSISTOR Q5171 B1ABCF000231 TRANSISTOR Q5172 B1ABCF000231 TRANSISTOR Q7301 B1CERR000067 TRANSISTOR Q7302 B1ABCF000231 TRANSISTOR Q7501 B1CFRG000069 TRANSISTOR Q7502 B1CHRE000015 TRANSISTOR Q7510 B1ABCF000231 TRANSISTOR Q7801 B1CFRM000028 TRANSISTOR Q7803 B1CFML000007 TRANSISTOR Q7804 B1ABCN000007 TRANSISTOR Q7808 B1ABCF000231 TRANSISTOR Q7809 B1ADCE000022 TRA...

Page 58: ...6W R2824 D1BB6800A074 M 68 OHM J 1 16W R2852 D1BB1911A073 M 1 91KOHM J 1 16W R2853 D1BB3091A073 M 3 09KOHM J 1 16W R2854 D1BB6041A073 M 6 04KOHM J 1 16W R2855 D1BB1692A073 M 16 9KOHM J 1 16W R3099 D0GA223JA023 M 22K OHM J 1 16W R3119 D0GA272JA023 M 2 7KOHM J 1 16W R3122 D1BD75R0A204 M 75 OHM J 0 063W R3124 D1BD75R0A204 M 75 OHM J 0 063W R3192 D0GA101JA039 M 100OHM J 1 16W R3193 D0GA101JA039 M 100O...

Page 59: ...78 D1BA2202A023 M 22KOHM F 1 16 W R5079 D1BA3742A023 M 37 4 KOHM F 1 16 W R5080 D0GA473JA039 M 47KOHM J 1 16W R5081 D0GA103JA039 M 10KOHM F 1 16W R5082 D0GA104JA039 M 100KOHM J 1 8W R5084 D0GA473JA039 M 47KOHM J 1 16W R5085 D0GA103JA039 M 10KOHM F 1 16W R5086 D0GAR00J0005 M 0 OHM 1 16W R5087 D1BA2202A023 M 22KOHM F 1 16 W R5088 D1BA1602A023 M 16KOHM J 1 16W R5090 D0GA473JA039 M 47KOHM J 1 16W R509...

Page 60: ...1106JA033 M 10MOHM J 1W R7342 D0GD182JA052 M 1 8KOHM J 1 16W R7343 D0GD182JA052 M 1 8KOHM J 1 16W R7344 D0GD182JA052 M 1 8KOHM J 1 16W R7351 D0GF474JA048 M 470KOHM J 1 3W R7353 D0GD220JA059 M 22 OHM J 1 4W R7354 D0GD220JA059 M 22 OHM J 1 4W R7501 D0GB153JA065 M 15K OHM J 1 10W R7502 D0GB273JA072 M 27KOM J 1 16W R7503 D0GB153JA065 M 15K OHM J 1 10W R7504 D0GB153JA065 M 15K OHM J 1 10W R7505 D0GD101...

Page 61: ... D1BA5601A023 M 5 6KOHM F 1 16W R8101 D0GA510JA023 M 51 OHM J 1 16W R8102 D0GA510JA023 M 51 OHM J 1 16W R8103 D1BA3002A023 M 30KOHM F 1 16 W R8104 D1BA2400A023 M 240 OHM F 1 16 W R8105 D1BA1302A023 M 13KOHM F 1 16W R8106 D1BA1502A023 M 15KOHM F 1 16W R8107 D1BA4702A023 M 47 KOHM F 1 16 W R8113 D1BA4701A023 M 4 7KOHM F 1 16 W R8114 D1BA2002A023 M 20KOHM F 1 16W R8115 D1BA1802A023 M 18KOHM F 1 16 W ...

Page 62: ...0GFR00J0005 CHIP RESISTOR JA25 D0GFR00J0005 CHIP RESISTOR JA27 D0GFR00J0005 CHIP RESISTOR JA28 D0GFR00J0005 CHIP RESISTOR JA3 D0GDR00J0004 CHIP RESISTOR JA4 D0GDR00J0004 CHIP RESISTOR JA5 D0GDR00J0004 CHIP RESISTOR JA6 D0GDR00J0004 CHIP RESISTOR JA7 D0GDR00J0004 CHIP RESISTOR JA8 D0GDR00J0004 CHIP RESISTOR JA9 D0GDR00J0004 CHIP RESISTOR JK3101 K1U511D00002 AV TERMINAL JK4700 K1FY119D0029 TERMINAL ...

Page 63: ...Change Safety Ref No Part No Part Name Description Q ty Remarks ZA7102 K4AD01A00004 RUG TERMINAL ZA7103 K4AD01A00004 RUG TERMINAL Model No TH 32A400S TH 32A410S Parts List ...

Page 64: ...P5ZA41902 SPEAKER BRACKET 10 TKP5ZA48902 SIDE AV BRACKET 11 TPD4GA04991 TOP CUSHION 12 TPD4GA05001 BOTTOM CUSHION 13 TPE4GH065 SET COVER 14 TQZ4GB789 FAN BAG ASSY TSCKF0700001 LVDS CABLE 15 TTU4GA1147 BACK COVER ASSY TH 32A400S TTU4GA1146 BACK COVER ASSY TH 32A410S 16 TXFPC01SNUS PACKING CASE ASSY TH 32A400S TXFPC01SJUS PACKING CASE ASSY TH 32A410S XTB4 18JFJK STAND TO PEDESTAL SCREW XYN4 F15FJK S...

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