FUNAI LT6-M32BB Service Manual Download Page 47 | Manualshive

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8-20

IR Sensor CBA Top View

Function CBA Top View

Function CBA Bottom View

BA8CF0F01011-4

BA8CF0F01011-3

IR Sensor CBA Bottom View

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Summary of Contents for LT6-M32BB

Page 1: ...P model For the LT6 M32BB A8CF0EP model the letter A8CF0EP is printed on the Serial No Label Refer to the Serial No Label on the right Serial No Label A8CF0EP 32 COLOR LCD TELEVISION LT6 M32BB All man...

Page 2: ...e LCD Television 6 1 Block Diagrams 7 1 Schematic Diagrams CBA s and Test Points 8 1 Waveforms 9 1 Wiring Diagram 10 1 Exploded View 11 1 Mechanical Parts List 12 1 Electrical Parts List 13 1 The LCD...

Page 3: ...t Nominal Limit 1 RECEIVED FREQ RANGE 60dBm 45ch 1 kHz kHz T B D T B D 500 150 2 INPUT DYNAMIC RANGE mix max 1 VHF HIGH 7ch UHF 45ch dBm dBm T B D T B D 75 10 75 10 3 C N PERFORMANCE 1 VHF HIGH 7ch UH...

Page 4: ...ns Limit specifications represent the absolute worst condition that still might be considered acceptable In no case should a unit fail to meet limit specifications Description Condition Unit Nominal L...

Page 5: ...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...

Page 6: ...hat 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...

Page 7: ...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 cont...

Page 8: ...accessible parts RF terminals an tenna terminals video and audio input and output ter minals microphone jacks earphone jacks etc Measuring Method Power ON Insert load Z between B earth ground power c...

Page 9: ...xed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack IC fro...

Page 10: ...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...

Page 11: ...used by electrostatic charge during unpacking or repair work 1 Ground for Human Body Be sure to wear a grounding band 1 M that is properly grounded to remove any static electricity that may be charged...

Page 12: ...amp Desolder Note 1 Stand Base Plate 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 FFC Shield D2 2 S 7 6 Shield Box D2 D4 2 S 8 7 S 9 4 S 10 CN3601 CN3701...

Page 13: ...4 2 A8CF0DC 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 All manuals and user guides at all guides com...

Page 14: ...Box 8 Shield T 5 FFC Shield 7 Digital Main CBA Unit S 13 S 14 S 12 S 7 S 14 S 14 9 Power Supply CBA 10 Junction B CBA S 10 S 11 S 9 S 10 S 9 S 8 Connector IC Card OSU Fig D2 All manuals and user guid...

Page 15: ...sor CBA 15 Function CBA 17 Speaker 16 Speaker Holder L R 16 Speaker Holder L R 18 Front Cabinet S 18 S 15 S 16 S 16 S 20 S 20 S 19 S 17 13 Junction A CBA S 20 S 20 17 Speaker 11 Inverter CBA Fig D3 Al...

Page 16: ...ower Supply CBA Digital Main CBA Unit CLN400 CN801 CN1050 CN1100 CN1150 CN1200 CN1250 CN1901 Inverter CBA CL102B To LCD Module Assembly IR Sensor CBA Junction A CBA CN802 CN102 To Speaker CL102A CL101...

Page 17: ...Also do not attempt these adjustments unless the proper equipment is available Test Equipment Required 1 DC Voltmeter 2 Pattern Generato 3 Color Analyzer How to make the Service remote control unit Cu...

Page 18: ...st be set perpendicularly to the LCD Panel surface 3 Enter the Service mode 4 VCOM1 Press 2 button on the service remote control unit VCOM2 Press 3 button on the service remote control unit 5 Press P...

Page 19: ...Enter the Service mode Press 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...

Page 20: ...e remote control unit Refer to page 5 1 To cancel the service mode Press button on the remote control unit 3 Press button on the service remote control unit to initialize the LCD television 4 INITIALI...

Page 21: ...2 P ON H2 P ON H1 1 25 TXD 16 RXD1 N22 AMP MUTE SUB 18 REMOTE R22 RESET MAIN 5 RESET MAIN V24 TO AUDIO 2 BLOCK DIAGRAM JUNCTION A CBA LED1 3 4 REMOTE 5 2 P ON H1 2 5 CN101 KEY IN1 6 6 KEY IN1 1 6 CL10...

Page 22: ...DEO OUT 17 BUFFER Q505 TU CVBS 11 13 IC3823 INPUT SELECT SW CTL 4 10 9 11 3 5 TU CVBS DTV CVBS TU501 DIF OUT1 18 DIF OUT2 19 TUNER UNIT IF AGC 20 9 SCL 10 SDA CN103A CN3704 DIF OUT1 20 4 IF AGC 18 6 S...

Page 23: ...UT2 6 RGB AUDIO L IN2 2 RGB AUDIO R IN2 62 TO AUDIO 2 BLOCK DIAGRAM AMP CTRL POWER SUPPLY CBA BCLK LRCLK ACLK AUX ADATA IC3825 AUDIO A D CONVERTER A D CONVERTER 1 2 11 10 15 12 TO DIGITAL SIGNAL PROCE...

Page 24: ...MP CTRL IC300 AMP MUTE 5 3 7 1 2 1 PWM GEN PWM GEN IC701 AUDIO D A CONVERTER D A CONVERTER L CH R CH 15 14 5 6 7 8 9V ACLK 14 12 ADATA 13 13 BCLK 12 14 LRCLK 11 15 CN101A CN3701 Q304 AMP MUTE 9 17 Q30...

Page 25: ...L5 COMP Pr VIDEO S VIDEO Y S VIDEO C VIDEO R VIDEO G VIDEO B TO VIDEO BLOCK DIAGRAM SW W3 U3 V3 V4 Y2 Y1 AA1 COMP Pb T3 COMP Y U4 T4 TU CVBS Y3 VGA HSYNC VGA VSYNC HDMI IN1 HDMI IN2 JK4001 TMDS D0 TM...

Page 26: ...1102 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...

Page 27: ...ACL HOT GND CN104A CN3601 CN101A CN3701 CN102A CN4503 LCD 24 5V 8 18 AL 3 3V 3 23 P ON 5V 1 2 24 25 LCD 3 3V 12 14 P ON 9V 14 12 LCD 6 8V 10 16 LCD 13V 5 7 19 21 P ON 3 3V 15 17 9 11 3 5V 22 24 2 4 3...

Page 28: ...am 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 safety characteristics as...

Page 29: ...al 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 4 Voltage indications on the...

Page 30: ...3 3 7 13 3 8 23 3 9 0 10 6 8 11 0 12 3 4 13 3 2 14 0 15 3 4 16 3 4 17 3 4 18 3 4 19 3 4 20 0 21 0 22 3 4 23 3 4 24 3 4 25 3 3 VOLTAGE CHART Pin No Voltage NOTE The voltage for parts in hot circuit is...

Page 31: ...Schematic Diagram CN103A 1 3 3 2 0 3 2 6 4 2 6 5 0 6 7 8 9 2 2 10 0 11 0 8 12 13 0 14 15 5 1 16 5 2 17 0 18 3 3 19 0 20 21 0 22 23 0 VOLTAGE CHART Pin No Voltage All manuals and user guides at all gui...

Page 32: ...11 12 1 5 13 14 1 6 15 1 7 16 0 17 0 3 18 0 19 0 20 0 21 0 22 0 23 2 4 24 0 25 2 4 CN102A 1 0 2 0 3 2 4 4 2 4 5 2 4 6 0 7 8 9 0 10 5 8 11 5 8 12 0 13 4 6 14 9 1 15 0 16 17 18 5 1 19 0 20 5 1 21 0 22 0...

Page 33: ...8 6 A8CF0SCP4 Power Supply 4 4 Schematic Diagram All manuals and user guides at all guides com...

Page 34: ...ts in the power 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 CAUTION For continued...

Page 35: ...8 8 Function Schematic Diagram A8CF0SCF All manuals and user guides at all guides com...

Page 36: ...8 9 IR Sensor Junction A Schematic Diagram A8CF0SCIR All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 37: ...am The order of pins shown in this diagram is different from that of actual IC4513 IC4513 is divided into seven and shown as IC4513 1 5 IC4513 4 5 in this Digital Main Schematic Diagram Section 1 NOTE...

Page 38: ...am The order of pins shown in this diagram is different from that of actual IC4513 IC4513 is divided into seven and shown as IC4513 1 5 IC4513 4 5 in this Digital Main Schematic Diagram Section 1 NOTE...

Page 39: ...am The order of pins shown in this diagram is different from that of actual IC4513 IC4513 is divided into seven and shown as IC4513 1 5 IC4513 4 5 in this Digital Main Schematic Diagram Section 1 NOTE...

Page 40: ...am The order of pins shown in this diagram is different from that of actual IC4513 IC4513 is divided into seven and shown as IC4513 1 5 IC4513 4 5 in this Digital Main Schematic Diagram Section 1 NOTE...

Page 41: ...8 14 A8CF0SCD5 Digital Main 5 6 Schematic Diagram All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 42: ...am The order of pins shown in this diagram is different from that of actual IC4513 IC4513 is divided into seven and shown as IC4513 1 5 IC4513 4 5 in this Digital Main Schematic Diagram Section 1 NOTE...

Page 43: ...on terminal 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...

Page 44: ...Bottom View BA8CF0F01011 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 circut an isolation tra...

Page 45: ...fore you connect 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 is...

Page 46: ...onnect 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 tr...

Page 47: ...8 20 IR Sensor CBA Top View Function CBA Top View Function CBA Bottom View BA8CF0F01011 4 BA8CF0F01011 3 IR Sensor CBA Bottom View All manuals and user guides at all guides com...

Page 48: ...8 21 BA8CF0F01011 2 BA8CF0F01011 Junction A CBA Top View Junction A CBA Bottom View Junction B CBA Top View Junction B CBA Bottom View All manuals and user guides at all guides com...

Page 49: ...s Shown in Schematic Diagram S VIDEO Y 0 2V 20 s S VIDEO C 0 2V 20 s COMPONENT Y 0 2V 20 s 20 s COMPONENT Pr 0 2V 20 s COMPONENT Pb 0 2V 20 s Pin 20 of CN101A WF5 VIDEO 0 2V 20 s WF1 Pin 1 of CN102A W...

Page 50: ...of CN102A AUDIO L 0 5V 0 5ms WF10 Pin 3 of CN103A 20 s VIDEO G 0 5V 20 s VIDEO R 0 5V 20 s Input PAL Color Bar Signal with 1kHz Audio Signal WF7 WF10 Waveforms to be observed at Waveform check points...

Page 51: ...22 FRSCLK 21 GND 20 TP1 19 POL 18 FRSR2 17 FRSR2 16 FRSR1 15 FRSR1 46 FRSG2 FRSG1 FRSG1 FRSG0 FRSG0 45 44 43 42 41 GND GMA14 GMA13 40 39 38 GMA12 37 GMA11 36 GMA10 35 GMA9 34 GMA8 33 VDDA 32 VDDA 31...

Page 52: ...901 L2 L23 IR Sensor CBA Function CBA CL801 CL802 SP802 SP801 Power Supply CBA B12 B22 L10 L9 A11 L10 CL104A B7 L17 B43 A12 L17 L23 L23 Junction A CBA L2 L2 A12 L4 L15 L19 L6 L6 A7 L7 L7 L7 B4 B42 B42...

Page 53: ...cking Tape S3 S1 L15 X2 1 X2 2 X2 3 Owners Manual AR Owners Manual BG Owners Manual EN Owners Manual RU Owners Manual UA Some Ref Numbers are not in sequence FRONT Tape X5 S4 X3 X4 Packing Tape X1 Tap...

Page 54: ...3802 CONNECTOR IC CARD OSU SLOT 2013858 1 J620680AP001 L2 SCREW P TIGHT M4X14 BIND HEAD BLK GBHP4140 L4 SCREW P TIGHT M3X12 DISH HEAD GDJP3120 L6 SCREW P TIGHT 3X10 BIND HEAD GBHP3100 L10 SCREW S TIGH...

Page 55: ...47 F 10V CHD1AZ30F474 C256 CHIP CERAMIC CAP F Z 0 47 F 10V CHD1AZ30F474 C257 CHIP CERAMIC CAP F Z 0 47 F 10V CHD1AZ30F474 C258 CHIP CERAMIC CAP F Z 0 47 F 10V CHD1AZ30F474 C260 CHIP CERAMIC CAP F Z 0...

Page 56: ...6 3V M CE0KMASDL102 Ref No Description Part No C657 CHIP CERAMIC CAP 1608 F Z 0 1 F 25V CHD1EZ30F104 C658 CHIP CERAMIC CAP 1608 F Z 0 1 F 25V CHD1EZ30F104 C659 CHIP CERAMIC CAP 1608 F Z 0 1 F 25V CHD1...

Page 57: ...4148 Ref No Description Part No D330 ZENER DIODE MTZJT 775 6B or QDTB0MTZJ5R6 DIODE ZENER 5V6BSB T26 NDTB5R6BST26 D331 SWITCHING DIODE 1SS133 T 77 or QDTZ001SS133 DIODE SWITCHING HSS4148TE E QDTZ0HSS4...

Page 58: ...ST26 D804 SWITCHING DIODE 1SS133 T 77 or QDTZ001SS133 DIODE SWITCHING HSS4148TE E QDTZ0HSS4148 Ref No Description Part No D807 SWITCHING DIODE 1SS133 T 77 or QDTZ001SS133 DIODE SWITCHING HSS4148TE E Q...

Page 59: ...7 GR AT P or NQS1KTA1267P TRANSISTOR KTA 1266 GR AT P or NQS4KTA1266P PNP TRANSISTOR 2SA1980M Y or NQSY2SA1980M PNP TRANSISTOR 2SA1980MG AT or NQSG2SA1980M Ref No Description Part No TRANSISTOR 2SA101...

Page 60: ...1608 1 10W J 47k RRXA473YF002 R324 CHIP RES 1 10W J 560 or RRXAJR5Z0561 Ref No Description Part No RES CHIP 1608 1 10W J 560 RRXA561YF002 R325 CHIP RES 1608 1 10W 0 or RRXAZR5Z0000 RES CHIP 1608 1 10...

Page 61: ...RES 1 4W J 2 7k RCX4JATZ0272 R644 PCB JUMPER D0 6 P5 0 JW5 0T Ref No Description Part No R645 CARBON RES 1 4W J 12k RCX4JATZ0123 R646 CARBON RES 1 4W J 12k RCX4JATZ0123 R647 CHIP RES 1 10W J 22k or R...

Page 62: ...BC804 BEADS INDUCTOR FBR07HA121SB 00 LLBF00STU030 BC817 PCB JUMPER D0 6 P5 0 JW5 0T CLN400 WIRE ASSEMBLY ANALOG INV 2PIN 2PIN 90MM AWG18 WX1A8CF0 006 JK202 JACK RCA PCB S 03 RCA 347HT 03 or JXRJ030YUQ...

Page 63: ...0 CHIP CERAMIC CAP 1608 B K 1000pF 50V CHD1JK30B102 C1044 CHIP CERAMIC CAP 1608 B K 1 F 25V CHD1EK30B105 C1046 CHIP CERAMIC CAP 1608 B K 1 F 25V CHD1EK30B105 C1061 CAP CERAMIC HV SL D 15pF 3KV or CCD3...

Page 64: ...E SWITCHING HSS4148TE E QDTZ0HSS4148 Ref No Description Part No D1042 ZENER DIODE MTZJT 7724B or QDTB00MTZJ24 DIODE ZENER 24BSB T26 NDTB024BST26 D1043 SWITCHING DIODE 1SS133 T 77 or QDTZ001SS133 DIODE...

Page 65: ...40 DIODE FAST RECOVERY FR156BD or NDWZ0FR156BD DIODE FAST RECOVERY FR156 B P NDWZ0FR156BP D1970 ZENER DIODE MTZJT 775 6B or QDTB0MTZJ5R6 Ref No Description Part No DIODE ZENER 5V6BSB T26 NDTB5R6BST26...

Page 66: ...CHIP RES RMC1 067500FTP or RRXAFR5Z7500 Ref No Description Part No RES CHIP 1608 1 10W F 750 RTW7500YF002 R1067 CHIP RES 1 10W J 5 1k or RRXAJR5Z0512 RES CHIP 1608 1 10W J 5 1k RRXA512YF002 R1068 CHI...

Page 67: ...103 RES CHIP 1608 1 10W J 10k RRXA103YF002 Ref No Description Part No R1506 CHIP RES 1 10W J 100k or RRXAJR5Z0104 RES CHIP 1608 1 10W J 100k RRXA104YF002 R1507 CHIP RES 1 10W J 10k or RRXAJR5Z0103 RES...

Page 68: ...901 FUSE HOLDER MSF 015 LF B110 XH01Z00LY002 FH1902 FUSE HOLDER MSF 015 LF B110 XH01Z00LY002 L7 SCREW B TIGHT D3X8 BIND HEAD GBJB3080 SA1901 SURGE ABSORBER 470V 10PER or NVQZ10D471KB VARISTOR 10D 471K...

Page 69: ...LT6 M32BB A8CF0EP 2008 05 26 All manuals and user guides at all guides com...

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