Panasonic TX-LR37V10 Service Manual

Lh89 chassis

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Service Manual

Specifications

(Information in brackets [ ] refers to model 32")

Power Source:

Power Consumption

Stand-by Power Consumption: 0.3W

Aerial Impedance:

Receiving System:

Receiving Chanels:

Aerial - Rear:

Operating Conditions:

PC signals:

220-240V AC, 50/60Hz

168W [143W]

75Ω unbalanced, Coaxial Type

PAL-I/H, B/G, D/K,

SECAM B/G, D/K, L/L'

PAL-525/60 (AV only)

M.NTSC (AV only)

NTSC (AV only)

VHF E2-E12

VHF A-H (ITALY)

VHF R3-R5

UHF E21-E69

CATV S1-S10 (M1-M10)

CATV S21-S41 (Hyperband)

VHF/UHF

0°C ÷ 35°C

Temperature:

Humidity: 20% ÷ 80% RH (non condensing)

VGA, SVGA, WVGA, XGA, SXGA, WXGA (compressed)

Horizontal scanning frequency

Vertical scanning frequency

Colour LCD Television

LH89 Chassis

VHF H1-H2 (ITALY)

VHF R1-R2

VHF R6-R12

CATV (S01-S05)

CATV S11-S20 (U1-U10)

31 – 69 kHz

59 – 86 Hz

ORDER No. PCZ0909141CE

TX-LR37V10

TX-LR32V10

Unauthorized copying and

distribution is a violation of law.

Table of Contents

Summary of Contents for Panasonic TX-LR37V10

Page 1 Humidity: 20% ÷ 80% RH (non condensing) PC signals: VGA, SVGA, WVGA, XGA, SXGA, WXGA (compressed) Horizontal scanning frequency 31 – 69 kHz Vertical scanning frequency 59 – 86 Hz © Panasonic Corporation 2009. Unauthorized copying and distribution is a violation of law.
Page 2 Intermediate Frequency: Video/Audio Video 38.9MHz, 33.9MHz Audio 33.4MHz (B/G), 33.16MHz (A2) 33.05MHz (NICAM B/G, D/K, L) 32.4MHz (D/K), 32.66MHz (CZ STEREO) 40.4MHz (L ), 39.75MHz (L NICAM) ’ ’ Colour 34.47MHz (PAL) 34.5MHz, 34.65MHz (SECAM) ’ 38.3MHz, 38.15MHz (SECAM L Terminals: AV1 IN Video (21 pin)
Page 3: Table Of Contents
CONTENTS SAFETY PRECAUTIONS ........... 4 OPTION BYTES DESCRIPTION ......15 GENERAL GUIDE LINES........4 ADJUSTMENT METHOD.......... 16 TOUCH – CURRENT CHECK....... 4 WIRING DIAGRAM ........... 17 PREVENTION OF ELECTROSTATIC DISCHARGE BLOCK DIAGRAMS..........18 (ESD) TO ELECTROSTATICALLY SENSITIVE (ES) PARTS LOCATION........... 21 DEVICES ..............
Page 4: Safety Precautions
Safety Precautions General Guide Lines When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
Page 5: Prevention Of Electrostatic Discharge (Esd) To Electrostatically Sensitive (Es) Devices
Prevention of Electrostatic 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 are integrated circuits and some field-effect transistors and semiconductor "chip"...
Page 6: About Lead Free Solder (Pbf)
About lead free solder (PbF) Note: Lead is listed as (Pb) in the periodic table of elements. In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder. The Lead Free Solder used in our manufacturing process and discussed below is (Sn+Ag+Cu). That is Tin (Sn), Silver (Ag) and Copper (Cu) although other types are available.
Page 7: Applicable Signals
Applicable Signals Component (Y, Pb, Pr), HDMI Signal name COMPONENT HDMI 525 (480) / 60i 525 (480) / 60p 625 (576) / 50i 625 (576) / 50p 750 (720) / 60p 750 (720) / 50p 1,125 (1,080) / 60i 1,125 (1,080) / 50i 1,125 (1,080) / 60p 1,125 (1,080) / 50p 1,125 (1,080) / 24p...
Page 8: Service Hints
Service Hints How to remove the back cover Lay the main unit face down. (see Fig.5) Fig.5 Remove the 5 fixing screws and the pedestal assembly. (see Fig.6) SCREWS Fig.6 Remove the 22 fixing screws and the back cover. (see Fig.7) SCREWS SCREWS Fig.7...
Page 9: Chassis Board Layout
Chassis Board Layout PS-BOARD P-UNIT A-BOARD GS-BOARD PF-BOARD V-BOARD GL-BOARD Board Name Function A-Board AV Terminal, HDMI, AV Switch, TV tuner, PC, LAN, OPT Terminal, ZWEI, GENX, EEPROM, ADV, Peaks AVC, Speaker out, GC3, GC6 GL-Board SD LED V-Board Remote Receiver, R&G LED, C.A.T.S. PF-Board Main Input, Line Filters PS-Board...
Page 10: Setting Inspection
Setting Inspection Voltage Confirmation Confirm the following voltages: A board Description Test point Position Voltage TP2789 A03 (pin 18) 5V ± 2% TP2790 A03 (pin 3,4,7,8) INVERTER_SOS TP5481 IC5480 (pin 22) TV_SOS TP2761 A20 (pin 5) P17V TP2797 A03 (pin 9,10) 17V ±...
Page 11: Self-Check
Self-check is used to automatically check the bus lines and hexadecimal code of the TV set. To enter Self-Check mode, keep pressing the down (-/v) button on the TV set and press the STATUS button on the remote control. To exit Self Check, switch off the TV set at the power button. TX-LR37V10 37FHD Panasonic 2009LCD Self Check Complete 7B03 O.K.
Page 12: Power Led Blinking Timing Chart
Power LED blinking timing chart Subject Information of LED Flashing timing chart. Contents When abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the defective block can be identified by number of blinking of the Power LED on the front panel of the unit. Blinking Blinking timing Contents...
Page 13: Service Mode Function
Service Mode Function MPU controls the functions switching for each IICs through IIC bus in this chassis. The following setting and adjustment can be adjusted by remote control in Service Menu How to enter SERVICE While pressing (-/v) button on the TV unit, press on the remote control for 3 times within 2 seconds.
Page 14: Service
SERVICE SERVICE Peaks SOFT 2.212 OPTION 1 Key Command ADJUST Peaks EEP 01.02.0003 OPTION 2 S e r v i c e 1 WB-ADJ Peaks BOOT 1.00 OPTION 3 OPTION LSI DATA 1.00.09 Model ID • STBY SOFT 1.00.00 03233100 SRV-TOOL Press the 3/4 button to change the adjustment values or function.
Page 15: Option Bytes Description
Option Bytes Description OPTION1 ATP Search speed Slow (1) / Fast (0) TEXT Ch Refresh ON (1) / OFF (0) ID-1 ON (1) / OFF (0) Macrovision Auto-judge ON (1) / OFF (0) Surround enable low bit ON (1) / OFF (0) Surround enable high bit ON (1) / OFF (0) Pre Emphasis...
Page 16: Adjustment Method
Adjustment Method Sub-Contrast/White Balance Adjustment Instrument Name Connect to Remarks Remote controller Correlation can be also taken by LCD WB meter (Minolta CA-210 or equivalent) CS-1000A or equivalent Comunication jig Computer for external control Procedure Remarks Let the panel standfor more than 3 hours at more than 20 °C.
Page 17: Wiring Diagram
Wiring diagram...
Page 18: Block Diagrams
Video & Stereo Audio Block Diagram TUNER TU2901 A-BOARD [EXCHANGE UNIT] IC3001 IC4510 SIF_IN2 [C1AB00002855] [C1AB00003045] SIF_IN1 AVSW AUXIN2R RXA_CN,CP,0N,0P,1N,1P,2N,2P MAIN_RF_CVBS B5,A5,B4,A4 CVBSIN4 AUXIN2L B3,A3,B2,A2 AV1_V CVBSIN6 MAIN_CVBS AIN4 G/CY/CVBSout1 Q4516 RXB_CN,CP,0N,0P,1N,1P,2N,2P AV1_VOUT CVBS/Y+COUT3 D2,D1,E2,E1 MAIN_PB/C AIN6 SAGCVBSOUT3 F2,F1,G2,G1 B/PB/Cout1 Q4515 AV1_RED MAIN_PR...
Page 19 Power Supply Block Diagram GS BOARD GL BOARD P UNIT PS-BOARD L2601 SD LED IC2601 IC2602 IC5405 D2580 Regulator USB_Flash Media Controller SUB5V VDD3.3V Regulator Vout 3,43,80,89,95,96,100,108 SUB5V IC7106 IC7105 TUNER6V SD5V P24V Regulator Regulator P24V TUNER6V IC7114 SAT12V Regulator SUB5V SUB5V SD5V...
Page 20 Control Block Diagram A-BOARD HDMI_CEC FBOUT HDMI_CEC VC27 USB_VBUS HPD0 SUB3.3V_SENSE TV_SUB_ON IC2902 IC8621 PWM_READY IC8004 DDCD_SCL [EXCHANGE UNIT] CK74 USB_OCP HPD1 MAIN9V_SENSE ADAV_SCL [C0ZBZ0001567] CLKLAN DDCD_SDA HPD2 DTV9V_SENSE ADAV_SDA CLOCK GEN CK27A PANEL_AGW SUB5V_SENSE HDMI_5V_DET1 HDIN ADV_SCL PANEL_LED_ON AA14 CK33IN TMP-SENS_SCL S2DET2...
Page 21: Parts Location
Parts Location NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List.
Page 22 Parts Location NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List. Difference for 37’’...
Page 23: Replacement Parts List
Replacement Parts List Important Safety Notice Components Identified by mark have special characteristics important for safety. * When replacing any of these components, use only manufacturers specified parts. In case of ordering these spare parts, please always add the complete Model-Type number to your order. RTL (Retention Time Limited) Note: The marking (RTL) indicates that the Retention Time is Limited for this item.
Page 24 Cct Ref Parts Number Description Cct Ref Parts Number Description IC8504 C3EBCG000100 LAN EEPROM D4568 EZAEG2A50AX ESD SUPPRESSOR IC8580A C3ZBN0000035 FLASH MEMORY D4569 EZAEG2A50AX ESD SUPPRESSOR IC8581 C3FBTC000033 FLASH MEMORY D4573 EZAEG2A50AX ESD SUPPRESSOR IC8621 C0DBZYY00266 REGULATOR D4574 EZAEG2A50AX ESD SUPPRESSOR RM2500 B3RAD0000168 LED RECEIVER...
Page 25 Cct Ref Parts Number Description Cct Ref Parts Number Description D7106 B0BC6R600005 ZENER DIODE Q4500 2SD0601A0L TRANSISTOR D7107 B0BC6R600005 ZENER DIODE Q4501 2SD0601A0L TRANSISTOR D7121 B0JCPG000005 DIODE Q4514 2SB0709ASL TRANSISTOR D7122 B0BC03300012 DIODE Q4515 2SB0709ASL TRANSISTOR D7123 B0BC01400017 DIODE Q4516 2SB0709ASL TRANSISTOR D7124...
Page 26 Cct Ref Parts Number Description Cct Ref Parts Number Description L2750 J0JYC0000065 COIL L4901 G1C100MA0072 COIL L2751 J0JCC0000308 COIL L5001 J0JHC0000045 COIL BLM18PG121SN1D L2752 J0JCC0000308 COIL L5002 J0JHC0000045 COIL BLM18PG121SN1D L2754 J0JCC0000308 COIL L5004 J0JHC0000045 COIL BLM18PG121SN1D L2755 J0JCC0000308 COIL L5005 J0JHC0000045 COIL BLM18PG121SN1D...
Page 27 Cct Ref Parts Number Description Cct Ref Parts Number Description 4K7 Ω LF7002 G0B402H00001 LINE FILTER R0962 ERJ2GEJ472X .063W 22 Ω LF7003 G0B100H00004 LINE FILTER R0963 ERJ2GEJ220X .063W 22 Ω CRYSTALS R0964 ERJ2GEJ220X .063W 68 Ω R0965 ERJ2GEJ680X .063W X1100 H0J100500035 CRYSTAL 68 Ω...
Page 28 Cct Ref Parts Number Description Cct Ref Parts Number Description 10K Ω 68 Ω R2016 ERJ2GEJ103X .063W R2639 ERJ2GEJ680X .063W 10K Ω 0 Ω R2017 ERJ2GEJ103X .063W R2751 D0GDR00Z0002 .125W 10K Ω 0 Ω R2018 ERJ2GEJ103X .063W R2752 D0GDR00Z0002 .125W 20K Ω...
Page 29 Cct Ref Parts Number Description Cct Ref Parts Number Description 220 Ω 150 Ω R3038 ERJ2GEJ221X .063W R3205 D1BD1500A044 .125W 330 Ω 22 Ω R3041 ERJ2GEJ331X .063W R3206 ERJ2GEJ220X .063W 330 Ω 22 Ω R3042 ERJ2GEJ331X .063W R3207 ERJ2GEJ220X .063W 220 Ω...
Page 30 Cct Ref Parts Number Description Cct Ref Parts Number Description 68 Ω 47K Ω R4250 EXB28V680JX .031W R4531 ERJ2GEJ473X .063W 68 Ω 47K Ω R4251 ERJ2GEJ680X .063W R4532 ERJ2GEJ473X .063W 10K Ω 47K Ω R4252 ERJ2GEJ103X .063W R4533 ERJ2GEJ473X .063W 10K Ω...
Page 31 Cct Ref Parts Number Description Cct Ref Parts Number Description 10K Ω 47 Ω R4674 ERJ2GEJ103X .063W R5059 ERJ2GEJ470X .063W 10K Ω 47 Ω R4677 ERJ2GEJ103X .063W R5060 ERJ2GEJ470X .063W 68 Ω 47 Ω R4678 EXB28V680JX .031W R5061 ERJ2GEJ470X .063W 68 Ω...
Page 32 Cct Ref Parts Number Description Cct Ref Parts Number Description 51K Ω 100K Ω R5331 D1BB5102A055 0.1W R5538 ERJ2GEJ104X .063W 30K Ω 47K Ω R5332 D1BB3002A055 0.1W R5539 ERJ2GEJ473X .063W 16K Ω 100K Ω R5333 D1BB1602A055 0.1W R5540 ERJ2GEJ104X .063W 16K Ω...
Page 33 Cct Ref Parts Number Description Cct Ref Parts Number Description 0 Ω 75 Ω R7225 ERJ6GEY0R00 S.M.CARB 0.1W R8082 ERJ2RKF75R0X .063W 0 Ω 300 Ω R7226 ERJ2GE0R00X .063W R8083 ERJ2GEJ301X .063W 0 Ω 100K Ω R7227 ERJ2GE0R00X .063W R8086 ERJ2GEJ104X .063W 0 Ω...
Page 34 Cct Ref Parts Number Description Cct Ref Parts Number Description 10K Ω 10K Ω R8631 ERJ2GEJ103X .063W R8749 ERJ2GEJ103X .063W 68 Ω 10K Ω R8637 ERJ2GEJ680X .063W R8750 ERJ2GEJ103X .063W 68 Ω 10K Ω R8638 ERJ2GEJ680X .063W R8751 ERJ2GEJ103X .063W 68 Ω...
Page 35 Cct Ref Parts Number Description Cct Ref Parts Number Description C2120 F1G1H560A731 S.M.CAP 56pF C2611 F1J0J106A020 S.M.CAP 6.3V 10µF C2121 F1G1H560A731 S.M.CAP 56pF C2612 F1H1C104A143 S.M.CAP 100nF C2122 F1G1C103A116 S.M.CAP 10nF C2613 F1G1H150A731 S.M.CAP 15pF C2123 F1G1C103A116 S.M.CAP 10nF C2614 F1H1C104A143 S.M.CAP 100nF...
Page 36 Cct Ref Parts Number Description Cct Ref Parts Number Description C3012 F1G1H561A730 S.M.CAP 560pF C4025 F1G1C104A116 S.M.CAP 100nF C3013 F1G1H561A730 S.M.CAP 560pF C4027 F1G1C104A116 S.M.CAP 100nF C3014 F1G1H561A730 S.M.CAP 560pF C4028 F1G1C104A116 S.M.CAP 100nF C3018 F1J1A106A043 S.M.CAP 10µF C4030 F1G1C104A116 S.M.CAP 100nF C3019...
Page 37 Cct Ref Parts Number Description Cct Ref Parts Number Description C4263 F1G1C104A116 S.M.CAP 100nF C4616 F1J1A475A039 S.M.CAP 4.7µF C4264 F1G1H102A730 S.M.CAP C4617 F1J1A475A039 S.M.CAP 4.7µF C4265 F1G1C104A116 S.M.CAP 100nF C4624 F1G1C104A116 S.M.CAP 100nF C4266 F1G1C104A116 S.M.CAP 100nF C4625 F1G1C104A116 S.M.CAP 100nF C4267 F1G1H102A730...
Page 38 Cct Ref Parts Number Description Cct Ref Parts Number Description C5039 F1J1A106A043 S.M.CAP 10µF C5354 F1G1C104A116 S.M.CAP 100nF C5040 F1J1A106A043 S.M.CAP 10µF C5355 F1G1C104A116 S.M.CAP 100nF C5041 F1J1A106A043 S.M.CAP 10µF C5356 F1G1C104A116 S.M.CAP 100nF C5042 F1G1C104A116 S.M.CAP 100nF C5357 F1G1C104A116 S.M.CAP 100nF C5043...
Page 39 Cct Ref Parts Number Description Cct Ref Parts Number Description C5629 ECGRL0E680ER ELECT 2.5V 68µF C7185 F1G1C103A116 S.M.CAP 10nF C5631 F2G1C470A022 ELECT 47µF C7201 F1J1E105A171 S.M.CAP 1µF C5632 F1H1C105A145 S.M.CAP 1000nF C7202 F1J1E105A171 S.M.CAP 1µF C5641 F1G1C104A116 S.M.CAP 100nF C7203 F2G1H100A031 ELEC 10µF...
Page 40 Cct Ref Parts Number Description Cct Ref Parts Number Description C8028 F1G1C104A116 S.M.CAP 100nF C8201 F1G1C104A116 S.M.CAP 100nF C8029 F1G1C104A116 S.M.CAP 100nF C8202 F1G1C104A116 S.M.CAP 100nF C8030 F1H0J1050012 S.M.CAP 6.3V 1000nF C8508 F1G1C103A116 S.M.CAP 10nF C8031 F1H0J1050012 S.M.CAP 6.3V 1000nF C8510 F1J1A106A043 S.M.CAP...
Page 41 Cct Ref Parts Number Description Cct Ref Parts Number Description CN2603 K1NA09E00080 SD SLOT L5EDD9T00023 LCD PANEL CN4201 K1KA07AA0266 7P CONNECTOR TBM0E1877-1 MODEL LABEL D3015 K7AAAY000006 OPT TERMINAL TBLA0439 PEDESTAL ASSY GL02 K1KA02B00294 2P CONNECTOR TKZG5048 REAR METAL FRAME C K1KA03A00632 3P CONNECTOR TKZG5046...
Page 42: Schematic Diagrams
Schematic Diagrams IMPORTANT SAFETY NOTICE Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacturers' specified parts. NOTE RESISTOR All resistors are carbon ¼W resistor, unless marked otherwise. Unit of resistance is OHM (Ω) (k=1,000, M=1,000,000) CAPACITORS All capacitors are ceramic 50V unless marked otherwise.
Page 74: Conductor Views
Conductor Views A-BOARD TNPH0780 – TOP IC’S IC8503 IC1101 IC8504 IC2008 IC8581 IC2301 IC8621 IC2902 TRAN’S IC3001 IC4001 Q3002 IC4002 Q3003 IC4005 Q3004 IC4200 Q3005 IC4201 Q4200 IC4202 Q4207 IC4203 Q4208 IC4510 Q4517 IC4511 Q5301 IC4512 Q5302 IC4513 Q5312 IC5001 Q5318 IC5002 Q5331...
Page 75 A-BOARD TNPH0780 – BOTTOM IC’S Q4514 IC1100 Q4515 IC2750 Q4516 IC5111 Q4519 IC5312 Q4533 IC5512 Q4534 IC5600 Q4535 IC5601 Q4536 IC8580A C4 Q4537 Q4538 TRAN’S Q4900 Q0900 Q4901 Q0901 Q4902 Q2001 Q4903 Q2022 Q4904 Q2063 Q4905 Q2064 Q5421 Q2065 Q5431 Q2750 Q5453 Q2751...
Page 76 GS-BOARD TNPA5000 - TOP IC’S IC2601 IC2602 V-BOARD TNPA4824 - TOP IC’S RM2500 A1 SN2500 A1 DIODE’S D2500 TRAN’S Q2500 Q2501 Q2504 PF-BOARD TNPA4898 - TOP DIODE’S D7000 D7002...
Page 77 PS-BOARD TNPA4974 – TOP IC’S D7145 IC5405 D7146 IC5409 D7147 IC7105 D7161 IC7106 D7162 IC7112 D7163 IC7113 D7164 IC7114 D7165 IC7117 D7166 D7167 DIODE’S D7181 D7101 D7203 D7102 D7204 D7103 D7205 D7104 D7261 D7105 D7262 D7106 D7263 D7107 D7264 D7121 D7265 D7122 D7266...
Page 78 GL-BOARD TNPA4975 – TOP DIODE’S D2580...

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Panasonic TX-LR37V10 Service Manual

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