SERVICE MANUAL
32
″
COLOR LCD TELEVISION
LC320SS9
Page 1: ...manual shows only the differences between the model LC320SS9 A and the original model LC320SS9 All other information is described in the service manual of the original model LC320SS9 32 COLOR LCD TELE...
Page 2: ...art of this manual may be reproduced copied transmitted disseminated transcribed downloaded or stored in any storage medium in any form or for any purpose without the express prior written consent of...
Page 3: ...SERVICE MANUAL 32 COLOR LCD TELEVISION LC320SS9...
Page 4: ...service might be done or of the possible hazardous consequences of each way Consequently Funai has not undertaken any such broad evaluation Accordingly a servicer who uses a service procedure or tool...
Page 5: ...eq 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 136...
Page 6: ...drop slightly below these specifications Limit specifications represent the absolute worst condition that still might be considered acceptable In no case should a unit fail to meet limit specificatio...
Page 7: ...m any AC source connect an electrical jumper across the two AC plug prongs Place the instrument AC switch in the on position Connect one lead of an ohmmeter to the AC plug prongs tied together and tou...
Page 8: ...is not isolated from the AC power line The two ground systems are electrically separated by insulation material that must not be defeated or altered 5 Observe original lead dress Take extra care to a...
Page 9: ...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 tha...
Page 10: ...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...
Page 11: ...he Flat Pack IC about 5 to 6 seconds Fig S 1 1 2 Remove the flat pack IC with tweezers while applying the hot air 3 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat p...
Page 12: ...one using a sharp pin or wire to which solder will not adhere iron wire When heating the pins use a fine tip soldering iron or a hot air desoldering machine Fig S 1 4 3 Bottom of the flat pack IC is...
Page 13: ...Fig S 1 6 Note When using a soldering iron care must be taken to ensure that the flat pack IC is not being held by glue When the flat pack IC is removed from the CBA handle it gently because it may b...
Page 14: ...d 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 M on the workbench or other surfac...
Page 15: ...D1 4 S 1 3 S 2 4 S 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 CBA D2 D5 2 S 8 CN751 7 Shield T D2 S 9 S 10 N 1 8 Shield Box D2 2 S 11 2...
Page 16: ...4 2 A8AF0DC 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 17: ...4 3 A8AF0DC 8 Shield Box 6 Side Jack CBA 5 Jack Holder A 9 Digital Main CBA Unit S 15 S 15 N 1 S 7 S 8 S 10 S 9 10 Power Supply CBA S 7 S 14 S 13 7 Shield T S 15 S 14 S 13 S 12 S 11 Fig D2...
Page 18: ...4 4 A8AF0DC 11 Inverter CBA S 16 S 17 13 PCB Holder L R S 19 S 17 S 17 S 17 12 Junction B CBA Desolder 14 Stand Holder S 18 S 16 S 16 Fig D3...
Page 19: ...D Module Assembly 17 IR Sensor CBA 18 Function CBA 20 Speaker 19 Speaker Holder L R 19 Speaker Holder L R 21 Front Cabinet S 21 S 23 CLN801 CLN802 S 23 S 22 S 20 16 Junction A CBA Desolder S 23 S 23 2...
Page 20: ...CORD Function CBA Power Supply CBA Digital Main CBA Unit CN751 CN601 Fig D5 CN801 CN1050 CN1100 CN1150 CN1200 CN1250 CN1901 Inverter CBA CL102B To LCD Module Assembly Side Jack CBA IR Sensor CBA Junct...
Page 21: ...eter 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 p...
Page 22: ...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...
Page 23: ...anel surface 4 Enter the Service mode Press VOL n 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 selec...
Page 24: ...tton on the service remote control unit Refer to page 5 1 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...
Page 25: ...3 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 MA...
Page 26: ...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 CBA CN701 CN751 VIDEO IN2 5 S VIDEO C IN2 3 S VIDEO Y IN2 1 5 3 1...
Page 27: ...14 13 AUDIO SELECTOR AUDIO SELECTOR TO SYSTEM CONTROL BLOCK DIAGRAM INPUT1 INPUT0 SIF JK7501 PC AUDIO IN SIDE JACK CBA CN701 CN751 AUDIO L IN2 7 AUDIO R IN2 9 7 9 AUDIO L IN2 AUDIO R IN2 JK752 CN3704...
Page 28: ...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...
Page 29: ...SCL D SUB 3 12 15 1 2 RED GREEN BLUE DATA CLOCK JK3701 T5 R4 R3 R5 A D CONVERTER 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...
Page 30: ...0 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 HO...
Page 31: ...LOCK 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...
Page 32: ...in the schematic diagram and the parts list Before replacing any of these components read the parts list in this manual carefully The use of substitute replacement parts that do not have the same saf...
Page 33: ...mended since the 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...
Page 34: ...s measured using hot GND as a common terminal Power Supply 1 3 Schematic Diagram CN301 1 3 3 2 3 2 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...
Page 35: ...4 A8AF0SCP2 Power Supply 2 3 Schematic Diagram CN303 1 2 0 3 2 6 4 2 6 5 0 6 7 0 8 0 9 2 0 10 0 11 1 7 12 0 8 13 0 14 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 Voltag...
Page 36: ...Power Supply 3 3 Side Jack Schematic Diagram CN302 1 3 4 2 0 3 3 4 4 3 3 5 0 6 1 7 7 1 6 8 1 3 9 1 7 10 1 7 11 0 12 3 4 13 0 6 14 2 5 15 0 16 2 6 17 2 5 18 0 19 0 20 0 21 0 22 0 23 0 VOLTAGE CHART Pi...
Page 37: ...upply 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 o...
Page 38: ...8 7 A8AF0SCF Function Schematic Diagram...
Page 39: ...8 8 A8AF0SCIR IR Sensor Junction A Schematic Diagram...
Page 40: ...ain 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 Sch...
Page 41: ...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 Sc...
Page 42: ...chematic Diagram A8AF0SCD3 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 Sc...
Page 43: ...chematic Diagram A8AF0SCD4 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 Sc...
Page 44: ...using hot GND as a common terminal Because a hot chassis ground is present in the power supply circuit an isolation transformer must be used Also in order to have the ability to increase the input slo...
Page 45: ...w BA8AF0F01022 1 NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal Because a hot chassis ground is present in the power supply circuit an isolation transformer m...
Page 46: ...the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail Because a hot chassis ground is present in the power supply circuit an isolation transform...
Page 47: ...t the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail Because a hot chassis ground is present in the power supply circuit an isolation transfo...
Page 48: ...8 17 BA8AF0F01022 3 BA8AF0F01022 4 Function CBA Top View Function CBA Bottom View IR Sensor CBA Top View IR Sensor CBA Bottom View...
Page 49: ...8 18 Side Jack CBA Top View Side Jack CBA Bottom View BA8AF0F01022 2 BA8AF0F01022 5 BA8AF0F01031 Junction A CBA Top View Junction A CBA Bottom View Junction B CBA Top View Junction B CBA Bottom View...
Page 50: ...veform check points Shown in Schematic Diagram CVBS 0 2V 20 s WF1 Pin 23 of CN302 S VIDEO Y 0 2V WF2 Pin 19 of CN302 20 s S VIDEO C 0 2V WF3 Pin 21 of CN302 20 s AUDIO 1V 0 5ms WF7 Pin 3 of CN303 VIDE...
Page 51: ...3 CN3704 23 19 21 15 17 22 20 18 16 14 10 12 6 8 13 11 9 7 5 1 3 4 23 19 21 15 17 22 20 18 16 14 10 12 6 8 13 11 9 7 5 1 3 4 2 S SW NU GND AUDIO L AUDIO R GND NU INPUT1 INPUT0 SIF GND TU CVBS AFT IN N...
Page 52: ...Unit Inverter CBA AC1901 L2 L17 L13 L13 IR Sensor CBA Function CBA CL801 CL802 SP802 SP801 Power Supply CBA B12 B22 L9 L9 A11 L10 B2 B7 B40 L17 A12 L18 Side Jack CBA L17 L17 L15 Junction A CBA L17 L6...
Page 53: ...11 2 A8AF0PEX Packing S16 S5 S2 Packing Tape Packing Tape S3 S1 L15 X2 X6 Some Ref Numbers are not in sequence FRONT Tape X5 S4 X3 X4 Packing Tape X1 Tape...
Page 54: ...3679 B22 CLOTH 10X180XT0 5 L0336JG 0EM408827 B30 GASKET A8AF0UH 1EM425861 B40 WASHER D17 A73F2FP 1EM425638 CL801 WIRE ASSEMBLY 005 2PIN 150MM AWG24 WX1A8AF0 005 CL802 WIRE ASSEMBLY 005 2PIN 150MM AWG2...
Page 55: ...0pF 250V KX CA2E222MR101 C608 SAFTY CAP 2200pF 250V KX CA2E222MR101 C633 ELECTROLYTIC CAP 470 F 25V M CE1EMASDL471 C634 ELECTROLYTIC CAP 3300 F 10V CE1AMZNDL332 C635 POLYESTER FILM CAP PB FREE 0 0022...
Page 56: ...2 F 10V CHD1AZ30F225 C7624 CHIP CERAMIC CAP F Z 2 2 F 10V CHD1AZ30F225 C7701 CHIP CERAMIC CAP 1608 CH J 100pF 50V CHD1JJ3CH101 C7702 CHIP CERAMIC CAP F Z 0 47 F 16V CHD1CZ30F474 C7709 CHIP CERAMIC CA...
Page 57: ...6 TRANSISTOR KTC3199 GR AT P NQS4KTC3199P Q650 TRANSISTOR KTC3199 GR AT P NQS4KTC3199P Q671 TRANSISTOR KTC3199 GR AT P NQS4KTC3199P Ref No Description Part No Q801 TRANSISTOR 2SC2120 Y TE2 F T QQSY2SC...
Page 58: ...00 R804 CARBON RES 1 4W J 470 RCX4JATZ0471 R805 CARBON RES 1 4W J 47k RCX4JATZ0473 Ref No Description Part No R806 CHIP RES 1 10W J 47k RRXAJR5Z0473 R807 CHIP RES 1 10W J 560 RRXAJR5Z0561 R808 CHIP RE...
Page 59: ...F Z 0 47 F 16V CHD1CZ30F474 C757 CHIP CERAMIC CAP F Z 2 2 F 10V CHD1AZ30F225 C758 CHIP CERAMIC CAP F Z 2 2 F 10V CHD1AZ30F225 RESISTORS R751 CHIP RES 1 10W J 75 RRXAJR5Z0750 R752 CHIP RES 1 10W J 75...
Page 60: ...CAP B K 2200pF 50V CHD1JK30B222 C1164 CAP CERAMIC HV 15pF 3 15KV SL J CCD3FJASL150 C1165 CHIP CERAMIC CAP B K 1500pF 50V CHD1JK30B152 C1166 CHIP CERAMIC CAP B K 2200pF 50V CHD1JK30B222 C1167 CHIP CERA...
Page 61: ...Z001SS133 D1934 DIODE 1ZC36 Q QDLZ001ZC36Q D1940 DIODE FAST RECOVERY FR157 NDLZ000FR157 D1970 ZENER DIODE MTZJT 775 6B QDTB0MTZJ5R6 D1971 ZENER DIODE MTZJT 775 6B QDTB0MTZJ5R6 D1980 ZENER DIODE MTZJT...
Page 62: ...XAJR5Z0103 R1510 CHIP RES 1 10W J 100k RRXAJR5Z0104 Ref No Description Part No R1511 CHIP RES 1 10W J 10k RRXAJR5Z0103 R1550 CHIP RES 1 10W F 47 0 k RRXAFR5H4702 R1551 CHIP RES 1 10W F 1 0k RRXAFR5H10...
Page 63: ...NVERTER HVT 133 LTZ3PC0XB004 TM1901 EYELET TYPE D 1 0VM406868 TM1902 EYELET TYPE D 1 0VM406868 T1951 TRANS POWER 8708 LTT3PC0KT041 Ref No Description Part No JUNCTION B CBA Consists of the following C...
Page 64: ...erein without the obligation to notify any person or organization of such changes with the design is a registered trademark of Funai Electric Co Ltd and may not be used in any way without the express...
