Philips 32MF338B/27 Service Manual Download Page 21

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FUZ2.0U LA

[11] Inverter Board

(S-16)

(S-17)

[13] PCB Holder (L,R)

(S-19)

(S-17)

[12] Junction-B Board

Desolder

[14] Stand Holder

(S-18)

(S-16)

Fig. D3

Summary of Contents for 32MF338B/27

Page 1: ...0 Power Supply 2 3 Diagram 41 Power Supply 2 3 Parts Location Guide 42 Power Supply 3 3 Parts Location Guide 43 Power Supply 3 3 Side Jack Diagram 44 Power Supply Board Layout Top Side 45 Power Supply Board Layout Bottom Side 46 Power Supply Board Parts Location Guide 47 Side Jack Board Layout Top Bottom Side 48 Side Jack Board Parts Location Guide 48 Inverter Junction B Diagram 49 Inverter Parts ...

Page 2: ...izing Sens TV ch 4 CA ch 31 CA ch 87 dBµ dBµ dBµ 20 20 23 Description Condition Unit Nominal Limit 1 Received Freq Range 28dBm kHz 100 2 ATSC Dynamic Range min max ch 4 ch 10 ch 41 dBm dBm dBm 76 0 76 0 74 4 Description Condition Unit Nominal Limit 1 Native Pixel Resolusion Horizontal Vertical pixels pixels 1366 768 2 Brightness cd m2 320 3 Viewing Angle Horizontal Vertical 88 to 88 88 to 88 Descr...

Page 3: ... Spanish Description Specification 1 Rear 75Ω RF COMPONENT 1 Component Video YPbPr Audio L R input COMPONENT 2 Component Video YPbPr Audio L R input VIDEO 1 Composite Video Video In S Video Audio L R input Coaxial digital audio output Digital Only PC VGA Audio HDMI 1 HDMI 2 2 Side Video 2 Composite Video Video In S Video Audio L R input Description Specification 1 Weight incl Packaging 2 Weight ex...

Page 4: ...24Hz 23 976Hz 1920 x 1080p 30Hz 29 97Hz 1 2 2 Sound Sound systems Mono Stereo Sap Maximum power 2 x 10W 1 2 3 Miscellaneous Power supply AC input 120V AC 60Hz Normal Operation Power Consumption 155W Standby power 1W Power cord length 1545 mm min Power cord type NISPT 2 Power indicator LED On Green Standby Red Ambient conditions Temperature 0 to 50 C Humidity 80 RH Power consumption Normal Operatio...

Page 5: ...m 1 5 V rms Impedance 10 k Ω PC Signal type Analog Video 0 7 Vp p linear positive polarity Separate Sync TTL level separate positive or negative polarity Audio signal Mini jack audio input Level Nominal 0 5 V rms Maximum 1 5 V rms Impedance 10 k Ω Digital Audio output 0 5 V 1 V Square Wave 1 3 3 HDMI Pin assignment 1 3 4 VGA Pin assignmentnput PIN No SIGNAL 1 TMDS Data2 2 TMDS Data2 shield 3 TMDS ...

Page 6: ...6 FUZ2 0U LA 2 OPERATING CONTROLS AND FUNCTIONS ...

Page 7: ...FUZ2 0U LA 7 ...

Page 8: ...each tuner antenna input exposed terminal screw and if applicable to the coaxial connector If the measured resistance is less than 1 0 megohm or greater than 5 2 megohm an abnormality exists that must be corrected before the instrument is returned to the customer Repeat this test with the instrument AC switch in the off position d Leakage Current Hot Check With the instrument completely reassemble...

Page 9: ...g areas a near sharp edges b near thermally hot parts be sure that leads and components do not touch thermally hot parts c the AC supply d high voltage and e antenna wiring Always inspect in all areas for pinched out of place or frayed wiring Check AC power cord for damage 6 Components parts and or wiring that appear to have overheated or are otherwise damaged should be replaced with components pa...

Page 10: ... PVC tubing 3 Spacers 4 Insulators for transistors E When replacing AC primary side components transformers power cord etc wrap ends of wires securely about the terminals before soldering F Observe that the wires do not contact heat producing parts heat sinks oxide metal film resistors fusible resistors etc G Check that replaced wires do not contact sharp edged or pointed parts H When a power cord...

Page 11: ... exposed accessible parts RF terminals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc is lower than or equal to the specified value in the table below Measuring Method Power ON Insert load Z between B earth ground power cord plug prongs and exposed accessible parts Use an AC voltmeter to measure across both terminals of load Z See Fig 2 and followi...

Page 12: ...tures belong to this Due to lead free technology some rules have to be respected by the workshop during a repair Use only lead free solder alloy Philips SAC305 with order code 0622 149 00106 If lead free solder paste is required please contact the manufacturer of your solder equipment In general use of solder paste within workshops should be avoided because paste is not easy to store and to handle...

Page 13: ...such sets nothing changes For additional questions please contact your local repair helpdesk Alternative BOM Identification In September 2003 Philips CE introduced a change in the way the serial number is composed from this data on the third digit in the serial number example AG2B0335000001 indicates the number of the alternative BOM Bill of Materials used for producing the specific model of TV se...

Page 14: ... 6 4 Release the flat pack IC from the CBA using tweezers Fig S 1 6 CAUTION 1 The Flat Pack IC shape may differ by models Use an appropriate hot air flat pack IC desoldering machine whose shape matches that of the Flat Pack IC 2 Do not supply hot air to the chip parts around the flat pack IC for over 6 seconds because damage to the chip parts may occur Put masking tape around the flat pack IC to p...

Page 15: ... pins of the flat pack IC you can remove it easily Fig S 1 3 2 Affix the wire to a workbench or solid mounting point as shown in Fig S 1 5 3 While heating the pins using a fine tip soldering iron or hot air blower pull up the wire as the solder melts so as to lift the IC leads from the CBA contact pads as shown in Fig S 1 5 4 Bottom of the flat pack IC is fixed with glue to the CBA when removing e...

Page 16: ...ur due to a potential difference caused by electrostatic charge during unpacking or repair work 1 Ground for Human Body Be sure to wear a grounding band 1 MΩ that is properly grounded to remove any static electricity that may be charged on the body 2 Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding 1 MΩ on the workbench or other surface where the semi ...

Page 17: ...f Reset to default Setup k c a B m a r g o r p o t u A Air Analog Cable Auto Channel List Manual Register Antenna Features Closed Caption Conventional CC Off CC 1 CC 2 CC 3 CC 4 T 1 T 2 T 3 T 4 f f O C C V T D CS 1 CS 2 CS 3 CS 4 CS 5 CS 6 n O g n i t t e S r e s U e l y t S C C Off Font Style Font Size Font Color Font Opacity Back Color Back Opacity Edge Color Edge Type k c o l s g n i t a r e i ...

Page 18: ... 3 2 Stand Cover D1 3 Stand Hinge D1 4 Rear Cabinet D1 12 S 4 S 5 2 S 6 5 Jack Holder A D2 S 7 6 Side Jack Board D2 D5 2 S 8 CN751 7 Shield T D2 S 9 S 10 N 1 8 Shield Box D2 2 S 11 2 S 12 3 S 13 4 S 14 9 Digital Main Board Unit D2 D5 CN3601 CN3701 CN3704 CN4501 CN4502 10 Power Supply Board D2 D5 7 S 15 CN102 CN501 CN801 CN802 CN1901 2 Stand Cover 16 Junction A Board 19 Speaker Holder L R 20 Speake...

Page 19: ...FUZ2 0U LA 19 Stand Assembly 4 Rear Cabinet 2 Stand Cover 3 Stand Hinge 1 Stand Base Plate S 2 S 4 S 4 S 6 S 4 S 5 S 3 S 4 S 1 S 4 S 3 S 6 Fig D1 ...

Page 20: ...20 FUZ2 0U LA 8 Shield Box 6 Side Jack Board 5 Jack Holder A 9 Digital Main Board Unit S 15 S 15 N 1 S 7 S 8 S 10 S 9 10 Power Supply Board S 7 S 14 S 13 7 Shield T S 15 S 14 S 13 S 12 S 11 Fig D2 ...

Page 21: ...FUZ2 0U LA 21 11 Inverter Board S 16 S 17 13 PCB Holder L R S 19 S 17 S 17 S 17 12 Junction B Board Desolder 14 Stand Holder S 18 S 16 S 16 Fig D3 ...

Page 22: ... 15 LCD Module Assembly 17 IR Sensor Board 18 Function Board 20 Speaker 19 Speaker Holder L R 19 Speaker Holder L R 21 Front Cabinet S 21 S 23 S 23 S 22 S 20 16 Junction A Board Desolder S 23 S 23 20 Speaker Fig D4 ...

Page 23: ...unction Board Power Supply Board Digital Main Board Unit CN751 CN601 Fig D5 CN801 CN1050 CN1100 CN1150 CN1200 CN1250 CN1901 Inverter Board CL102B To LCD Module Assembly Side Jack Board IR Sensor Board Junction A Board CN802 CN102 To Speaker CL102A CL101A CN101 CL101B Junction B Board CN1000 CL1000B To LCD Module Assembly ...

Page 24: ... if defective Check the presence that the rectifying diode or circuit is shorted in each rectifying circuit of secondary side and service it if defective After servicing replace the fuse When the output voltage fluctuates FLOW CHART NO 3 Does the photocoupler circuit on the secondary side operate normally No Yes Check IC603 D631 Q631 and their periphery and service it if defective When buzz sound ...

Page 25: ...69 and their periphery circuit and service it if defective Check IC637 D654 D657 and their periphery circuit and service it if defective Is approximately 6 6V voltage supplied to the collector of Q637 Replace Q637 No See FLOW CHART No 10 LCD 24 5V is not output FLOW CHART NO 9 Yes No Is approximately 36V voltage supplied to the cathode of D636 Is approximately 36V voltage supplied to the collector...

Page 26: ...f defective Yes No See FLOW CHART No 9 Yes Replace Q646 Yes Replace Q638 Replace Q645 See FLOW CHART No 9 No Check C634 D632 and their periphery circuit and service it if defective No Check Q639 Q671 and their periphery circuit and service it if defective No LCD 6 8V is not output FLOW CHART NO 11 Is approximately 9V voltage supplied to the anode of D637 Is approximately 9V voltage supplied to the...

Page 27: ...defective Yes Check C642 D640 and their periphery circuit and service it if defective No When pressing each switches SW108 SW109 SW110 SW111 SW112 SW113 SW114 do the voltage of Pin 1 on CN301 increase Yes No The key operation is not functioning FLOW CHART NO 16 Are the contact point and installation state of the key switches SW108 SW109 SW110 SW111 SW112 SW113 SW114 normal Re install the switches ...

Page 28: ...al line and IC7001 and service it if defective Check the chrominance signal line and IC7001 and service it if defective Check the component video Y Pb Pr signal line and IC7001 and service it if defective Check the line between each pin of CN302 and input terminal and service it if defective No No No No Yes Are the luminance signals outputted to the Pin 19 of CN302 Are the chrominance signals outp...

Page 29: ...e Audio is not outputted normally Tuner input FLOW CHART NO 21 Are the DIF signals outputted to the Pin 20 22 of CN303 No Yes Check the line between Pin 20 22 of CN303 and Pin 20 21 of TU1 and TU1 Tuner Unit and service it if defective Audio is not outputted normally Tuner input Digital FLOW CHART NO 22 Replace Digital Main Board Unit No Are the audio L R signals outputted to the Pin 14 15 of IC70...

Page 30: ...ted to the Pin 14 15 of IC701 No Yes Are the audio data signal outputted to the Pin 6 of CN302 Yes Check IC701 and the periphery circuit and service it if defective Are the audio L R signals outputted to the Pin 1 7 of IC702 No Yes Check IC702 and the periphery circuit and service it if defective Are the audio L R signals outputted to the Pin 1 2 of CN801 and CN802 No Yes Check SP801 SP802 and the...

Page 31: ...4 BACKLIGHT SW B3 TXD1 P22 TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM TO POWER SUPPLY BLOCK DIAGRAM PROTECT1 22 P ON H1 14 P ON H2 13 P ON H2 P ON H1 2 22 TXD 16 RXD1 N22 AMP MUTE SUB 18 REMOTE R22 RESET MAIN 5 RESET MAIN V24 RESET TO AUDIO 2 BLOCK DIAGRAM JUNCTION A BOARD LED1 3 4 REMOTE 5 2 P ON H1 2 5 CN101 KEY IN1 6 6 KEY IN1 1 6 CL102A KEY IN1 1 1 CL102B CN102 LED1 11 13 CN302 P ON H2 1 23 CN370...

Page 32: ... Y 19 S VIDEO C 21 VIDEO Y 14 VIDEO Pb 16 VIDEO Pr 17 1 5 3 10 8 7 VIDEO SELECTOR WF1 WF2 WF3 WF4 WF5 WF6 C Y S SW1 9 S SW2 SIDE JACK BOARD CN701 CN751 VIDEO IN2 5 S VIDEO C IN2 3 S VIDEO Y IN2 1 5 3 1 JK751 S VIDEO IN2 C Y JK752 VIDEO IN2 JK7701 S VIDEO IN1 S VIDEO SW IN2 2 2 POWER SUPPLY BOARD VIDEO S VIDEO Y S VIDEO C VIDEO Y VIDEO Pb VIDEO Pr VIDEO OUT 4 BUFFER Q3 TU CVBS 11 13 TU1 DIF OUT1 20...

Page 33: ... 13 AUDIO SELECTOR AUDIO SELECTOR TO SYSTEM CONTROL BLOCK DIAGRAM INPUT1 INPUT0 SIF JK7501 PC AUDIO IN SIDE JACK BOARD CN701 CN751 AUDIO L IN2 7 AUDIO R IN2 9 7 9 AUDIO L IN2 AUDIO R IN2 JK752 CN3704 CN303 AUDIO L 3 21 AUDIO R 4 20 CN3704 CN303 INPUT1 7 17 INPUT0 8 16 POWER SUPPLY BOARD BCLK LRCLK ACLK AUX ADATA IC3702 AUDIO A D CONVERTER A D CONVERTER 1 2 11 10 15 12 TO DIGITAL SIGNAL PROCESS BLO...

Page 34: ...D A CONVERTER D A CONVERTER L CH R CH 15 14 5 6 7 8 P ON 9V ACLK 17 7 ADATA 16 8 BCLK 15 9 LRCLK 14 10 CN302 CN3701 AMP MUTE 12 12 JK7715 DIGITAL AUDIO OUT COAXIAL Q7201 BUFFER SPDIF 18 6 RESET 20 4 SP R 2 SP L 1 SP L 2 ACLK BCLK LRCLK ADATA SPDIF RESET TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM AMP MUTE DIGITAL MAIN BOARD UNIT POWER SUPPLY BOARD AUDIO SIGNAL TO SYSTEM CONTROL BLOCK DIAGRAM P ON 5V T...

Page 35: ...VERTER 14 13 HSYNC VSYNC K5 L5 VIDEO Pr VIDEO S VIDEO Y S VIDEO C TO VIDEO BLOCK DIAGRAM SW W3 U3 V3 V4 VIDEO Pb T3 VIDEO Y U4 T4 TU CVBS Y3 VGA HSYNC VGA VSYNC IF AGC HDMI IN1 HDMI IN2 JK4001 TMDS D0 TMDS D0 TMDS D1 TMDS D1 TMDS D2 TMDS D2 SDA SCL 7 9 4 6 1 3 10 12 16 15 7 9 4 6 1 3 10 12 16 15 JK4002 TMDS D0 TMDS D0 TMDS D1 TMDS D1 TMDS D2 TMDS D2 TMDS CLOCK TMDS CLOCK SDA SCL A9 B9 C8 C9 B8 A8 ...

Page 36: ...10 8 TO SYSTEM CONTROL BLOCK DIAGRAM CL1000B VCC VCC 4 4 Q1002 T1050 Q1100 Q1101 Q1102 Q1103 3 1 4 7 8 6 5 2 T1100 3 1 4 7 8 6 5 2 T1150 3 1 4 7 8 6 5 2 T1200 T1951 TO POWER SUPPLY BLOCK DIAGRAM ACL HOT GND 3 1 4 7 8 6 5 2 T1250 3 1 4 7 8 6 5 2 DRIVE DRIVE DRIVE INVERTER CONTROL 10 11 14 15 2 3 4 5 7 8 4 5 23 2 1 4 3 2 Q1970 Q1971 IC1930 1 4 3 2 IC1931 Q1931 13 11 19 DRIVE LOGIC LOGIC DRIVE DRIVE ...

Page 37: ... BLOCK DIAGRAM RESET Q501 LCD 6 8V 8 P ON 3 3V 14 15 LCD 3 3V 10 3 0V 1 18 19 3 0V 16 LCD 24 5V 6 LCD 13V 7 AL 3 3V 12 P ON 5V 20 16 9 10 14 5 6 8 18 17 12 4 LCD 13V LCD 24 5V LCD 6 8V LCD 3 3V AL 3 3V P ON 2 0V 2 0V REG IC3302 1 8V 1 8V REG IC3601 1 1V 1 1V REG IC3603 P ON 5V DIGITAL MAIN BOARD UNIT SMD CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If ...

Page 38: ...y be slightly different or amended since these drawings were prepared 2 To maintain original function and reliability of repaired units use only original replacement parts which are listed with their part numbers in the parts list section of the service manual 3 How to read converged lines Examples 1 1 D3 means that line number 1 goes to the line number 1 of the area D3 2 1 B1 means that line numb...

Page 39: ...666 D 2 C653 B 1 D641 C 4 R512 E 4 R667 D 2 C654 B 3 D642 C 2 R514 E 3 R668 D 3 C655 E 1 D644 C 3 R516 E 3 R670 D 3 C656 C 4 D645 C 4 R521 E 2 R671 D 3 C657 E 4 D646 C 3 R523 D 4 R672 C 2 C658 E 3 D647 B 4 R524 E 3 R673 C 2 C659 E 4 D648 C 4 R526 E 4 R674 D 3 C660 D 4 D650 C 2 R527 E 4 R675 D 3 C661 E 3 D651 B 1 R601 A 2 R676 D 3 C662 E 3 D652 D 4 R603 A 3 R677 D 2 C663 C 3 D654 C 1 R604 A 3 R684 ...

Page 40: ... 3 3 2 4 3 3 5 0 6 23 5 7 13 1 8 6 9 9 0 10 3 4 11 0 12 3 4 13 0 14 3 4 15 3 4 16 3 3 17 0 18 3 4 19 3 4 20 5 2 21 0 22 3 3 23 3 2 VOLTAGE CHART Pin No Voltage NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal 40 FUZ2 0U LA ...

Page 41: ... Power Supply 2 3 Schematic Diagram CN303 1 0 2 0 3 2 6 4 2 6 5 0 6 0 7 0 8 0 9 2 0 10 0 11 1 7 12 0 8 13 0 14 0 15 4 9 16 4 9 17 0 18 3 3 19 0 20 1 6 21 0 22 1 6 23 0 VOLTAGE CHART Pin No Voltage FUZ2 0U LA 41 ...

Page 42: ...47 I 3 D813 H 4 R710 J 2 C701 J 2 D814 H 4 R713 K 2 C702 K 2 R714 K 2 C703 J 2 IC701 J 1 R717 K 2 C704 J 2 IC702 J 2 R718 J 2 C705 J 2 IC801 G 2 R720 K 2 C706 K 2 R802 H 3 C707 K 2 L1 J 3 R805 H 1 C708 J 2 L801 H 4 R806 H 3 C709 K 2 L802 H 4 R807 H 1 C712 K 2 L803 H 4 R808 H 1 C713 K 2 L804 H 4 R809 I 1 C714 K 2 R811 H 3 C803 G 3 Q2 J 3 R813 I 3 C804 G 1 Q3 J 3 R814 I 3 C805 H 1 Q4 K 4 R819 H 3 C8...

Page 43: ...1 C7302 O 4 Q7301 P 3 R7716 O 1 C7303 P 4 Q7302 Q 4 R7723 O 1 C7304 Q 4 R7724 O 1 C7305 Q 4 R719 Q 3 R7747 M 3 C7306 Q 4 R7101 P 3 R7748 M 3 C7307 Q 4 R7102 P 3 R7755 M 3 C7308 O 4 R7103 P 2 R7756 M 3 C7401 N 4 R7104 Q 2 R7763 M 3 C7402 N 4 R7105 N 3 R7764 M 3 C7515 N 4 R7106 N 3 R7771 M 4 C7516 N 4 R7111 P 3 R7772 M 4 C7602 N 2 R7112 Q 2 R7779 M 4 C7605 N 1 R7201 N 4 R7780 M 4 C7615 N 2 R7202 M 4...

Page 44: ... 17 2 5 18 0 19 0 20 0 21 0 22 0 23 0 VOLTAGE CHART Pin No Voltage Side Jack Schematic Diagram Parts Location Guide Ref No Position C751 M 1 C752 M 1 C753 M 1 C754 M 1 C755 M 1 C756 M 1 C757 M 1 C758 M 1 CN751 N 1 R751 M 1 R752 M 1 R753 M 1 R756 M 1 R757 M 1 R758 M 1 R759 M 1 R760 M 1 R761 M 1 R762 M 1 JK751 M 1 JK752 M 1 CAPACITORS MISCELLANEOUS CONNECTOR RESISTORS ...

Page 45: ... a hot chassis ground is present in the power supply circut an isolation transformer must be used Also in order to have the ability to increase the input slowly when troubleshooting this type power supply circuit a variable isolation transformer is required 9 7 Power Supply Board Layout Top Side BA8AF0F01022 1 ...

Page 46: ...n transformer must be used Also in order to have the ability to increase the input slowly when troubleshooting this type power supply circuit a variable isolation transformer is required 9 8 Power Supply Board Layout Bottom Side WF1 PIN 23 OF CN302 WF3 PIN 21 OF CN302 WF2 PIN 19 OF CN302 WF6 PIN 17 OF CN302 WF5 PIN 16 OF CN302 WF4 PIN 14 OF CN302 WF7 PIN 3 OF CN303 BA8AF0F01022 1 ...

Page 47: ... B 5 C7006 F 3 CN102 A 1 D660 B 4 C658 B 4 C7007 E 3 CN301 B 5 D667 C 3 R1 E 4 C659 B 5 C7008 E 3 CN302 D 5 D668 C 3 R2 E 4 C660 A 4 C7009 E 3 CN303 E 5 D669 B 3 R5 F 3 C661 B 4 C7010 F 3 CN501 A 4 D670 A 4 R6 F 4 C662 B 5 C7012 E 3 CN601 A 2 D671 A 4 R7 F 4 C663 A 3 C7013 E 3 CN701 E 3 D676 D 4 R8 F 4 CONNECTORS RESISTORS TRANSISTORS COILS CAPACITORS CAPACITORS CAPACITORS CONNECTORS DIODES DIODES...

Page 48: ...k Board Parts Location Guide Ref No Position C751 A 1 C752 A 1 C753 B 1 C754 A 1 C755 A 1 C756 A 1 C757 B 1 C758 B 1 CN751 B 1 R751 A 1 R752 A 1 R753 B 1 R756 A 1 R757 A 1 R758 B 1 R759 B 1 R760 B 1 R761 B 1 R762 B 1 JK751 A 1 JK752 B 1 MISCELLANEOUS RESISTORS CAPACITORS CONNECTOR BA8AF0F01022 2 ...

Page 49: ...wer supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail For continued protection against risk of fire replace only with same type 4 A 125V fuse CAUTION ATTENTION Utiliser un fusible de rechange de même type de 4A 125V 4A 125V NOTE The voltage for parts in hot circuit is measured using hot ...

Page 50: ...100 G 4 D1210 F 2 IC1001 C 2 C1115 F 3 CN1150 G 3 D1211 F 2 IC1500 E 4 C1116 F 3 CN1200 G 2 D1212 F 2 IC1550 E 2 CAPACITORS CAPACITORS DIODES CONNECTORS DIODES CONNECTORS ICS Ref No Position Ref No Position Ref No Position Ref No Position IC1930 B 3 R1062 F 4 R1218 F 2 R1939 B 2 IC1931 B 3 R1063 F 4 R1219 F 2 R1940 A 4 R1064 F 4 R1220 E 2 R1941 A 4 L1901 A 3 R1065 F 4 R1221 E 2 R1942 A 4 L1902 A 3...

Page 51: ...r supply circuit a variable isolation transformer is required For continued protection against risk of fire replace only with same type 4 A 125V fuse CAUTION ATTENTION Utiliser un fusible de rechange de même type de 4A 125V 4A 125V CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F1901 is blown check to see that all components in the power sup...

Page 52: ...supply circuit to fail For continued protection against risk of fire replace only with same type 4 A 125V fuse CAUTION ATTENTION Utiliser un fusible de rechange de même type de 4A 125V 4A 125V Because a hot chassis ground is present in the power supply circut an isolation transformer must be used Also in order to have the ability to increase the input slowly when troubleshooting this type power su...

Page 53: ...1 D1210 B 3 IC1001 A 4 C1115 B 1 CN1150 C 1 D1211 B 3 IC1500 A 3 C1116 B 2 CN1200 E 1 D1212 B 3 IC1550 A 3 ICS CONNECTORS DIODES CONNECTORS CAPACITORS DIODES CAPACITORS Ref No Position Ref No Position Ref No Position Ref No Position IC1930 C 4 R1062 A 2 R1218 B 3 R1939 D 4 IC1931 C 4 R1063 A 3 R1219 B 3 R1940 D 4 R1064 A 2 R1220 B 3 R1941 D 4 L1901 E 4 R1065 A 2 R1221 B 3 R1942 D 4 L1902 E 3 R1066...

Page 54: ...atic Diagram Parts Location Guid Ref No Position C109 B 2 C110 A 2 CL102B A 2 D108 B 2 R120 B 1 R121 B 1 R122 B 1 R123 B 1 R124 B 1 R125 A 2 R126 A 1 SW108 B 1 SW109 B 1 SW110 B 1 SW111 B 1 SW112 B 1 SW113 A 1 SW114 A 1 CAPACITORS CONNECTOR SWITCHES DIODE RESISTORS ...

Page 55: ... Function Board Parts Location Guide Ref No Position C109 C 1 C110 C 1 CL102B C 1 D108 C 1 R120 B 1 R121 B 1 R122 B 1 R123 B 1 R124 A 1 R125 C 1 R126 A 1 SW108 C 1 SW109 B 1 SW110 B 1 SW111 B 1 SW112 B 1 SW113 A 1 SW114 A 1 SWITCHES RESISTORS CAPACITORS DIODE CONNECTOR BA8AF0F01022 3 ...

Page 56: ...chematic Diagram IR Sensor Schematic Diagram Parts Location Guid Ref No Position C101 C 1 C107 B 2 CL101A B 1 CL102A C 1 D101 B 1 D102 B 2 R101 C 1 R102 C 1 R103 B 1 R104 B 2 R105 B 1 RCV101 C 2 CAPACITORS CONNECTORS MISCELLANEOUS DIODES RESISTORS ...

Page 57: ...unction A Board Layout Top Bottom Side IR Sensor Board Parts Location Guide Ref No Position C101 A 1 C107 B 1 CL101A B 1 CL102A A 1 D101 B 1 D102 A 1 R101 A 1 R102 A 1 R103 B 1 R104 A 1 R105 B 1 RCV101 A 1 MISCELLANEOUS CAPACITORS CONNECTORS RESISTORS DIODES BA8AF0F01022 4 BA8AF0F01022 5 ...

Page 58: ...ital Main 1 4 Schematic Diagram 1 NOTE The order of pins shown in this diagram is different from that of actual IC3301 IC3301 is divided into four and shown as IC3301 1 4 IC3301 4 4 in this Digital Main Schematic Diagram Section ...

Page 59: ...ital Main 2 4 Schematic Diagram 1 NOTE The order of pins shown in this diagram is different from that of actual IC3301 IC3301 is divided into four and shown as IC3301 1 4 IC3301 4 4 in this Digital Main Schematic Diagram Section ...

Page 60: ...ital Main 3 4 Schematic Diagram 1 NOTE The order of pins shown in this diagram is different from that of actual IC3301 IC3301 is divided into four and shown as IC3301 1 4 IC3301 4 4 in this Digital Main Schematic Diagram Section ...

Page 61: ...ital Main 4 4 Schematic Diagram 1 NOTE The order of pins shown in this diagram is different from that of actual IC3301 IC3301 is divided into four and shown as IC3301 1 4 IC3301 4 4 in this Digital Main Schematic Diagram Section ...

Page 62: ...62 FUZ2 0U LA 9 24 Digital Main Board Layout Top Side BA8AF2G04011 ...

Page 63: ...FUZ2 0U LA 63 9 25 Digital Main Board Layout Bottom Side BA8AF2G04011 ...

Page 64: ... Waveform check points Shown in Schematic Diagram CVBS 0 2V 20µs WF1 Pin 23 of CN302 S VIDEO Y 0 2V WF2 Pin 19 of CN302 20µs S VIDEO C 0 2V WF3 Pin 21 of CN302 20µs AUDIO 1V 0 5ms WF7 Pin 3 of CN303 VIDEO Pr 0 2V 20µs Pin 17 of CN302 WF6 VIDEO Pb 0 2V 20µs Pin 16 of CN302 WF5 VIDEO Y 0 2V 20µs Pin 14 of CN302 WF4 ...

Page 65: ...NSOR BOARD JUNCTION B BOARD DIGITAL MAIN BOARD UNIT POWER SUPPLY BOARD AC CORD WHITE BLACK AC1901 CN1901 2pin CN601 BLACK RED CN802 2pin CN801 2pin CL101B 6pin JUNCTION A BOARD CN701 9pin SIDE JACK BOARD CL1000A 4pin CL1000A 4pin CL1000 WX1A8AF0 001 CN1000 4pin CN501 4pin CN301 23pin CN302 23pin CN303 23pin CN3601 23pin CN4501 55pin CN4502 55pin CN3701 23pin CN3704 23pin CL4501 WX1A8AF0 010 CL4502...

Page 66: ...meter 2 NTSC Pattern Generator Color Bar W White Window Red Color Dot Pattern Gray Scale Monoscope Multi Burst 3 Remote control unit 4 Color Analyzer How to make the Service remote control unit Cut A portion of the attached remote control unit as shown in Fig 1 How to set up the service mode Service mode 1 Use the service remote control unit 2 Turn the power on 3 Press the service button on the se...

Page 67: ... zero point calibration as shown above Note The optical receptor must be set perpendicularly to the LCD Panel surface 3 Enter the Service mode 4 Press 2 button on the service remote control unit 5 Press CH buttons on the service remote control unit so that the color analyzer value becomes minimum 7 button Note When entering this mode the default setting is White mode Purity Check Mode 7 button Red...

Page 68: ...e LCD Panel surface 4 Enter the Service mode Press VOL button on the service remote control unit and select C D mode 5 CUTOFF Press 3 button to select COB for Blue Cutoff adjustment Press 1 button to select COR for Red Cutoff adjustment DRIVE Press 6 button to select DB for Blue Drive adjustment Press 4 button to select DR for Red Drive adjustment 6 In each color mode press CH buttons to adjust th...

Page 69: ...yed unplug the AC Cord 8 Updating is complete 12 3 How to initialize the LCD TV 1 Turn the power on 2 To enter the service mode press the service button on the service remote control unit To cancel the service mode press POWER button on the remote control unit 3 Press INFO button on the service remote control unit to initialize the LCD TV 4 INITIALIZED will appear in the upper right of the screen ...

Page 70: ...lgorithm and keys required to decode the disc are stored on the DVD player CVBS Composite Video Blanking and Synchronization DFU Directions For Use owner s manual DNR Digital Noise Reduction noise reduction feature of the set DSP Digital Signal Processing DST Dealer Service Tool special remote control designed for service technicians DTCP Digital Transmission Content Protection A protocol for prot...

Page 71: ...litude Modulation modulation method RAM Random Access Memory RGB Red Green and Blue The primary color signals for TV By mixing levels of R G and B all colors Y C are reproduced RC Remote Control RC5 RC6 Signal protocol from the remote control receiver RESET RESET signal ROM Read Only Memory SAM Service Alignment Mode SCART Syndicat des Constructeurs d Appareils Radiorecepteurs et Televisieurs SCL ...

Page 72: ... SVHS Super Video Home System SW Software SWAN Spatial temporal Weighted Averaging Noise reduction SXGA 1280x1024 TMDS Transmission Minimized Differential Signalling UXGA 1600x1200 4 3 V V sync to the module VCR Video Cassette Recorder VESA Video Electronics Standards Association VGA 640x480 4 3 VL Variable Level out processed audio output toward external amplifier VSB Vestigial Side Band modulati...

Page 73: ...FUZ2 0U LA 73 14 STRUCTURE IC 1 Overview 2 Digital Main Board Unit Layout Top Side ...

Page 74: ...74 FUZ2 0U LA 3 Digital Main Board Unit Layout Bottom Side 4 Power Supply Board Layout ...

Page 75: ...FUZ2 0U LA 75 5 Inverter Board Layout 6 Function Board Layout 7 IR Sensor Board Layout ...

Page 76: ...76 FUZ2 0U LA 7 Side Jack Board Layout 8 Junction A Board Layout 9 Junction B Board Layout ...

Page 77: ...FUZ2 0U LA 77 10 Speaker Layout 11 IC3301 Layout 12 IC4201 Layout ...

Page 78: ... SW RCA PCB S RCA 347HDT 02 JK7702 JACK SW RCA PCB S 03 MTJ 032 45BBA 432 JK7705 JACK RCA PCB S RCA 228H NI 01 JK7711 JACK RCA PCB S 03 RCA 347HT 03 JK7711 JACKRCAPCBSMTJ 032 45BBB 25 FEL JK7712 JACK SW RCA PCB S RCA 228H 2 NI 01 JK7712 JACK SW RCA PCB S 02 MTJ 032 31BA 32 JK7713 JACK RCA PCB S 03 RCA 347HT 03 JK7713 JACKRCAPCBSMTJ 032 45BBB 25 FEL JK7714 JACK SW RCA PCB S RCA 228H 2 NI 01 JK7714 ...

Page 79: ... CAP 1608 F Z 0 1UF 25V C662 CHIP CERAMIC CAP 1608 F Z 0 1UF 25V C663 ELECTROLYTIC CAP 100UF 16V M ELECTRICAL PARTS LIST Pos No 12 NC Description C664 ELECTROLYTIC CAP 3300UF 6 3V M C664 ELECTROLYTIC CAP 3300UF 6 3V SM C666 ELECTROLYTIC CAP 10UF 50V M C668 CHIP CERAMIC CAP 1608 F Z 0 1UF 50V C669 CHIP CERAMIC CAP 1608 F Z 0 1UF 25V C670 CHIP CERAMIC CAP 1608 F Z 0 1UF 25V C671 CHIP CERAMIC CAP 160...

Page 80: ...MIC CAP CH J 39PF 50V C7734 CHIP CERAMIC CAP F Z 0 47UF 16V C7738 CHIP CERAMIC CAP CH J 39PF 50V C7739 CHIP CERAMIC CAP F Z 0 47UF 16V C7743 CHIP CERAMIC CAP CH J 39PF 50V ELECTRICAL PARTS LIST Pos No 12 NC Description C7744 CHIP CERAMIC CAP F Z 0 47UF 16V C7747 CHIP CERAMIC CAP CH J 39PF 50V C7748 CHIP CERAMIC CAP F Z 0 47UF 16V C7751 CHIP CERAMIC CAP CH J 39PF 50V C7752 CHIP CERAMIC CAP F Z 0 47...

Page 81: ... 1SS133 T 77 ELECTRICAL PARTS LIST Pos No 12 NC Description D671 DIODE SWITCHING HSS4148TE E D676 SWITCHING DIODE 1SS133 T 77 D676 DIODE SWITCHING HSS4148TE E D801 ZENER DIODE MTZJT 7710B D802 ZENER DIODE MTZJT 775 6B D804 SWITCHING DIODE 1SS133 T 77 D804 DIODE SWITCHING HSS4148TE E D805 SWITCHING DIODE 1SS133 T 77 D805 DIODE SWITCHING HSS4148TE E D811 ZENER DIODE MTZJT 7720B D812 ZENER DIODE MTZJ...

Page 82: ... KTC3198 GR AT P Q7201 TRANSISTOR 2SC1815 GR TE2 F T ELECTRICAL PARTS LIST Pos No 12 NC Description Q7201 NPN TRANSISTOR 2SC5343MG AT Q7301 TRANSISTOR KTC3199 GR AT P Q7301 TRANSISTOR KTC3198 GR AT P Q7301 TRANSISTOR 2SC1815 GR TE2 F T Q7301 NPN TRANSISTOR 2SC5343MG AT Q7302 TRANSISTOR KTC3199 GR AT P Q7302 TRANSISTOR KTC3198 GR AT P Q7302 TRANSISTOR 2SC1815 GR TE2 F T Q7302 NPN TRANSISTOR 2SC5343...

Page 83: ...HM R642 CARBON RES 1 4W J 2 7K OHM R643 PCB JUMPER D0 6 P15 0 ELECTRICAL PARTS LIST Pos No 12 NC Description R644 PCB JUMPER D0 6 P5 0 R645 CARBON RES 1 4W J 12K OHM R646 CARBON RES 1 4W J 12K OHM R647 CHIP RES 1 10W J 22K OHM R647 RES CHIP 1608 1 10W J 22K OHM R648 CHIP RES 1 10W J 10K OHM R648 RES CHIP 1608 1 10W J 10K OHM R649 METAL OXIDE FILM RES 1W 470 OHM R649 METAL OXIDE FILM RES 1W J 470 O...

Page 84: ...IP 1608 1 10W J 100 OHM ELECTRICAL PARTS LIST Pos No 12 NC Description R7207 CHIP RES 1 10W J 56 OHM R7207 RES CHIP 1608 1 10W J 56 OHM R7301 CARBON RES 1 4W J 10 OHM R7302 CHIP RES 1 10W J 10K OHM R7302 RES CHIP 1608 1 10W J 10K OHM R7303 CHIP RES 1 10W J 10K OHM R7303 RES CHIP 1608 1 10W J 10K OHM R7304 CHIP RES 1 10W J 100 OHM R7304 RES CHIP 1608 1 10W J 100 OHM R7305 CHIP RES 1 10W J 100 OHM R...

Page 85: ...J 75 OHM R751 RES CHIP 1608 1 10W J 75 OHM R752 CHIP RES 1 10W J 75 OHM R752 RES CHIP 1608 1 10W J 75 OHM R753 CHIP RES 1 10W J 75 OHM R753 RES CHIP 1608 1 10W J 75 OHM R756 CHIP RES 1 10W J 100 OHM ELECTRICAL PARTS LIST Pos No 12 NC Description R756 RES CHIP 1608 1 10W J 100 OHM R757 CHIP RES 1 10W J 100 OHM R757 RES CHIP 1608 1 10W J 100 OHM R758 CHIP RES 1 10W J 100 OHM R758 RES CHIP 1608 1 10W...

Page 86: ...P CH J 330PF 50V C1008 CHIP CERAMIC CAP 1608 B K 2 2UF 10V ELECTRICAL PARTS LIST Pos No 12 NC Description C1009 CHIP CERAMIC CAP 1608 B K 0 1UF 50V C1010 CHIP CERAMIC CAP 1608 B K 0 1UF 50V C1011 CHIP CERAMIC CAP 1608 B K 0 47UF 10V C1012 CHIP CERAMIC CAP 1608 B K 0 47UF 10V C1014 CHIP CERAMIC CAP 1608 B K 0 1UF 50V C1015 ELECTROLYTIC CAP 470UF 35V M C1015 ELECTROLYTIC CAP 470UF 35V M C1016 CHIP C...

Page 87: ...980 CHIP CERAMIC CAP F Z 0 01UF 50V C1981 ELECTROLYTIC CAP 0 47UF 50V M C1990 CERAMIC CAP B K 3300PF 500V C1991 CAP ELE STD 85 4700UF 35V SL C1991 CAP ELE STD 85 4700UF 35V SL CONNECTORS CN1050 CONNECTOR PRINT OSU KW05 120 02 00 CN1100 CONNECTOR PRINT OSU KW05 120 02 00 CN1150 CONNECTOR PRINT OSU KW05 120 02 00 CN1200 CONNECTOR PRINT OSU KW05 120 02 00 CN1250 CONNECTOR PRINT OSU KW05 120 02 00 CN1...

Page 88: ... E D1265 SWITCHING DIODE 1SS133 T 77 D1265 DIODE SWITCHING HSS4148TE E D1266 SWITCHING DIODE 1SS133 T 77 D1266 DIODE SWITCHING HSS4148TE E D1267 SWITCHING DIODE 1SS133 T 77 D1267 DIODE SWITCHING HSS4148TE E D1268 SWITCHING DIODE 1SS133 T 77 ELECTRICAL PARTS LIST Pos No 12 NC Description D1268 DIODE SWITCHING HSS4148TE E D1501 SWITCHING DIODE 1SS133 T 77 D1501 DIODE SWITCHING HSS4148TE E D1502 SWIT...

Page 89: ...0K OHM ELECTRICAL PARTS LIST Pos No 12 NC Description R1010 RES CHIP 1608 1 10W F 120K OHM R1011 CHIP RES 1 10W F 130K OHM R1011 CHIP RES 1 10W F 130K OHM R1011 RES CHIP 1608 1 10W F 130K OHM R1012 CHIP RES 1 10W J 68K OHM R1012 RES CHIP 1608 1 10W J 68K OHM R1013 CHIP RES 1 10W J 10K OHM R1013 RES CHIP 1608 1 10W J 10K OHM R1014 CARBON RES 1 4W J 51K OHM R1015 CHIP RES 1608 1 10W F 5 1K OHM R1015...

Page 90: ...IP 1608 1 10W F 750 OHM R1213 CHIP RES 1 10W J 5 1K OHM ELECTRICAL PARTS LIST Pos No 12 NC Description R1213 RES CHIP 1608 1 10W J 5 1K OHM R1214 CHIP RES 1 10W J 100K OHM R1214 RES CHIP 1608 1 10W J 100K OHM R1215 CHIP RES 1 10W J 20K OHM R1215 RES CHIP 1608 1 10W J 20K OHM R1216 CHIP RES 1 10W F 750 OHM R1216 CHIP RES RMC1 067500FTP R1216 RES CHIP 1608 1 10W F 750 OHM R1217 CARBON RES 1 4W J 5 1...

Page 91: ...1 4W J 470K OHM R1941 CARBON RES 1 4W J 470K OHM R1942 CARBON RES 1 4W J 180K OHM R1943 CARBON RES 1 4W J 820K OHM R1944 CARBON RES 1 4W J 820K OHM R1945 CARBON RES 1 4W J 390K OHM R1946 METAL OXIDE FILM RES 2W J 47K OHM R1946 METAL OXIDE FILM RES 2W J 47K OHM R1947 METAL OXIDE FILM RES 2W J 47K OHM R1947 METAL OXIDE FILM RES 2W J 47K OHM R1948 METAL OXIDE FILM RES 2W J 47K OHM R1948 METAL OXIDE F...

Page 92: ...50MM AWG24 CL4501 WIRE ASSEMBLY 010 55PIN 60MM CL4502 WIRE ASSEMBLY 010 55PIN 60MM L2 SCREW P TIGHT M4X14 BIND HEAD BLK L6 SCREW P TIGHT 3X10 BIND HEAD L9 SCREW S TIGHT M3X4 BIND HEAD BLK L10 SCREW S TIGHT M3X6 BIND HEAD L13 DOUBLE SEMS SCREW M4X6 M4X6 L15 DOUBLESEMSSCREWM4X10 BLK L17 ASSEMBLED SCREW D9 M3X6 A71F0UH L18 NUT 3 8 32UNEF L19 HEX SCREW 4 40 7MM LCD1 LCD MODULE CMO 8BIT A GRADE SP801 S...

Page 93: ...FUZ2 0U LA 93 17 REVISION LIST Version 1 0 Initial release ...

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