Sylvania 6842PF M Service Manual Download Page 28 | Manualshive

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2-3-2

L0655TSG

NO PICTURE

NO Picture

Check

OSD

Check

LED

D6583

Check

LED

D6253

OK

OK

SC CBA Unit

D CBA Unit

SS CBA Unit

NG

NG

Drive circuits LED indicator

SC CBA Unit

LED
D6583

LED
D6253

SS CBA Unit

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Summary of Contents for 6842PF M

Page 1: ...inted to the model number Refer to the Rating Label on the back of the unit to make sure model types This service manual is for the 6842PF M A version model and shows only the differences between the...

Page 2: ...A DISPLAY 6842PF M TABLE OF CONTENTS Electrical Adjustment Instructions 1 1 1 Block Diagrams 1 2 1 Schematic Diagrams CBA s and Test Points 1 3 1 Waveforms 1 4 1 Mechanical Parts List 1 5 1 Electrical...

Page 3: ...A Fig 1 2 How to set up the service mode Service mode 1 To turn the power on press POWER button on the normal remote control unit or the unit 2 Use the service remote control unit 3 Press SLEEP button...

Page 4: ...perate the unit more than 20 minutes 2 Input the gray scale pattern signal 5 scales from Composite AV Input 1 video jack Video1 3 Set the color analyzer to the CHROMA mode and after zero point calibra...

Page 5: ...s shown below 10 Press 1 button on the normal remote control unit for Red adjustment Press 3 button on the normal remote control unit for Blue adjustment 11 In each color mode press CH o p button to a...

Page 6: ...Q2301 15V REG SB ON2 PS SOS PANEL ON 31 SUS MONITOR 32 ADR MONITOR 2 3 6 6 4 2 4 5 14 15 8 9 11 12 SWITCHING CONTROL WF12 J2144 HOT GND J2198 VADD J2064 DC15V J2156 CFM J2176 GND WF14 WF16 WF13 WF15 D...

Page 7: ...rawings for ordering The correct part number is shown in the parts list and may be slightly different or amended since these drawings were prepared 2 All resistance values are indicated in ohms K 103...

Page 8: ...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 sectio...

Page 9: ...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 r...

Page 10: ...pply 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...

Page 11: ...e it may cause some components in the power supply circuit to fail For continued protection against risk of fire replace only with same type 2A 250V fuse CAUTION ATTENTION Utiliser un fusible de recha...

Page 12: ...upply 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 2A 250V fuse CAUTION ATTENTION Utiliser un fu...

Page 13: ...Shown in Schematic Diagram WF2 WF3 1DIV 1V 10ms Z3731 WF9 1DIV 500mV 20 s C3103 WF6 1DIV 500mV 20ns UPPER TP3197 TP3198 WF4 LOWER WF8 WF7 UPPER Pin 2 of IC4801 Pin 4 of IC4801 LOWER WF11 WF10 1DIV 10...

Page 14: ...ACK PCB WX1L0650 005 WX1L0650 005 CLN5 WIRE ASSEMBLY 2P R CH SPEAKER WX1L0650 006 WX1L0650 006 CLN6 WIRE ASSEMBLY 2P L CH SPEAKER WX1L0650 007 WX1L0650 007 CLN8 WIRE ASSEMBLY 11P ANALOG PCB POWER WX1L...

Page 15: ...0V M CA1J4R7SP085 C4716 ELECTROLYTIC CAP 47 F 16V M CA1C470SP085 C4717 CHIP CERAMIC CAP F Z 0 01 F 50V CHD1JZ30F103 C4718 CHIP CERAMIC CAP 1608 CH J 33pF 50V CHD1JJ3CH330 C4719 CERAMIC CAP AX B K 1000...

Page 16: ...03 R4309 CHIP RES 1 10W J 100 RRXAJR5Z0101 Ref No Description Part No R4310 CHIP RES 1 10W J 10k RRXAJR5Z0103 R4311 CHIP RES 1 10W J 10k RRXAJR5Z0103 R4312 CHIP RES 1 10W J 10k RRXAJR5Z0103 R4315 CARB...

Page 17: ...UMPER D0 6 P5 0 JW5 0T BC4708 PCB JUMPER D0 6 P5 0 JW5 0T JK4701 Y C JACK 1P SW YKF51 5586N JYEL040JC003 JK4702 RCA JACK YKC21 4616N JYRL030JC008 JK4703 RCA JACK WHITE RED YKC21 4042N JXRL020JC024 JS4...

Page 18: ...iption Part No C2308 CERAMIC CAP AX F Z 0 01 F 25V CCA1EZTFZ103 C2350 FILM CAP P 0 1 F 50V J CA1J104MS029 C2352 CAP ELE SML 105 10 F 25V M CE1EMASTJ100 C2353 ELECTROLYTIC CAP 470 F 100V M CE2AMZNTJ471...

Page 19: ...NG DIODE 1SS133 T 77 QDTZ001SS133 D2463 ZENER DIODE MTZJT 776 8B QDTB0MTZJ6R8 Ref No Description Part No D2500 LED GREEN LTL 1CHGE NPQZLTL1CHGE D2515 SWITCHING DIODE 1SS133 T 77 QDTZ001SS133 ICS IC210...

Page 20: ...0223 R2251 PCB JUMPER D0 6 P20 0 JW20 0T Ref No Description Part No R2252 METAL OXIDE FILM RES 3W J 47k RN03473ZU001 R2253 CARBON RES 1 4W J 820 RCX4JATZ0821 R2254 CARBON RES 1 4W J 4 7k RCX4JATZ0472...

Page 21: ...Z0332 MISCELLANEOUS BC2200 BEADS INDUCTOR FBR07HA121SB 00 LLBF00STU030 BC2300 PCB JUMPER D0 6 P5 0 JW5 0T Ref No Description Part No BC2301 BEADS INDUCTOR FBR07HA121SB 00 LLBF00STU030 BC2400 BEADS IND...

Page 22: ...D2071 ZENER DIODE MTZJT 776 8B QDTB0MTZJ6R8 D2072 ZENER DIODE MTZJT 776 8B QDTB0MTZJ6R8 ICS IC2000 PHOTO COUPLER LTV817MCF NPECLTV817MF Ref No Description Part No IC2001 PHOTO COUPLER LTV817MCF NPECLT...

Page 23: ...00 LLBF00STU030 BC2002 BEADS INDUCTOR FBR07HA121SB 00 LLBF00STU030 BC2050 BEADS INDUCTOR FBR07HA121SB 00 LLBF00STU030 BC2051 BEADS INDUCTOR FBR07HA121SB 00 LLBF00STU030 F2000 FUSE 4A 250V PB FREE 021...

Page 24: ...ASMA DISPLAY MODULE SECTION PLASMA DISPLAY 6842PF M TABLE OF CONTENTS Safety Precautions 2 1 1 CBA Structure Parts List 2 2 1 Trouble Shooting Guide 2 3 1 Adjustment Procedure 2 4 1 Wiring Diagram 2 5...

Page 25: ...chassis the reading must be Leakage Current Hot Check See Figure 1 1 Plug the AC cord directly into the AC outlet Do not use an isolation transformer for this check 2 Connect a 1 5k 10 watts resistor...

Page 26: ...Processor Sub Field Processor 2 SS 1ESA13794 SS CBA UNIT Sustain Drive 3 SC 1ESA13792 SC CBA UNIT Scan Drive 4 SU 1ESA13795 SU CBA UNIT Scan Drive Out Upper 5 SD 1ESA13793 SD CBA UNIT Scan Drive Out...

Page 27: ...om Digital CBA to D CBA Unit connect an oscilloscope to the No 3 pin of D8 connector on D CBA Unit Then connect AC cord a power supply will be automatically turned on If power is shut down by protecti...

Page 28: ...2 3 2 L0655TSG NO PICTURE NO Picture Check OSD Check LED D6583 Check LED D6253 OK OK SC CBA Unit D CBA Unit SS CBA Unit NG NG Drive circuits LED indicator SC CBA Unit LED D6583 LED D6253 SS CBA Unit...

Page 29: ...display may have local area failure on the screen Figure 2 is the possible defect CBA for each local area SU CBA Unit SD CBA Unit D CBA Unit C2 CBA Unit D CBA Unit C1 CBA Unit D CBA Unit Figure2 SS CB...

Page 30: ...ver section voltages as shown below Name Test Point Voltage Volume Remarks Ve TPVE SS Ve 1V VR6000 SS See the Panel label Vset TPVSET SC 232V 7V Fixed Vad TPVAD SC 90V 1V VR6600 SC Vscn TPVSCN SC Vad...

Page 31: ...t Point Voltage Volume Remarks SC CBA Unit Vad TPVAD SC 90V 1V VR6600 SC SS CBA Unit Ve TPVE SS Ve 1V VR6000 SS See the Panel label D CBA Unit Adjustment is not required SU CBA Unit Adjustment is not...

Page 32: ...PLASMA DISPLAY PANEL SD1 TO PLASMA DISPLAY PANEL TO PLASMA DISPLAY PANEL SD2 SD3 SS42 SS41 SS43 SS44 D20 D5 CB1 CB2 CB3 TO PLASMA DISPLAY PANEL CB4 CB5 CB6 CB7 D31 C11 D32 C21 SS23 C23 SC2 SC23 C22 SC...

Page 33: ...6842PF M L0654UE 2006 09 14...

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