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Sylvania SST4274S Service Manual Download Page 49

20040310

13-5

L2712EL

IC111

IC M61271M8-058FP-71

QSZAA0RMB182

IC151

IC:MEMORY S524C20D21 or

NSZBA0SSM028

IC:MEMORY AT24C02N-10SC or

NSMMA0SAZ012

IC(EEPROM) M24C02-MN6 or

NSMMA0SSS028

IC:MEMORY BR24C02F-W or

QSMBA0SRM003

IC:MEMORY BR24C02F or

QSMMA0SRM003

IC:EEPROM CAT24WC02JI or

NSZBA0SBG001

IC(EEP-ROM) M24C02-WMN6 or

NSZAA0SSS004

IC BR24L02F-WE2

QSZBA0TRM068

IC431

IC:MTS DECORDER AN5832SA-E1

QSZBA0TMS003

IC551

#

IC:VERTICAL OUTPUT LA78041-E

QSZBA0SSY006

IC601

#

PHOTOCOUPLER PS2501-1W or

QPEW0PS25011

#

PHOTO COUPLER PS2501-1L or

QPEL0PS25011

#

PHOTOCOUPLER LTV-817B-F or

NPEB0LTV817F

#

PHOTOCOUPLER LTV-817C-F

NPEC0LTV817F

IC771

IC:SWITCHING TC4052BF(EL) or

QSZBA0TTS096

IC:SWITCHING CD4052BCSJX or

NSZBA0TF3079

IC:SWITCHING CD4052BNSR

NSZBA0TTY091

IC801

IC AN17812A

QSZBA0SMS017

COILS

L12

INDUCTOR 22

µ

H-K-5FT or

LLARKBSTU220

INDUCTOR 22

µ

H-K

LLARKDQKA220

L32

INDUCTOR 15

µ

H-J-26T or

LLAXJATTU150

INDUCTOR 15

µ

H-K-26T

LLAXKDTKA150

L34

INDUCTOR 18

µ

H-J-26T or

LLAXJATTU180

INDUCTOR 18

µ

H-K-26T

LLAXKDTKA180

L51

INDUCTOR 100

µ

H-K-5FT or

LLARKBSTU101

INDUCTOR 100

µ

H-K

LLARKDQKA101

L112

INDUCTOR 22

µ

H-K-5FT or

LLARKBSTU220

INDUCTOR 22

µ

H-K

LLARKDQKA220

L301

PCB JUMPER D0.6-P5.0

JW5.0T

L551

LINEARITY COIL ELH5L6136N or

LLBD00PMS008

LINEARITY COIL ST0108

LLBD00ZY2005

L562

LINEARITY COIL ST02LN or

LLBD00ZY2003

CHOKE COIL ELC13B102L or

LLC102KMS001

CHOKE COIL CSA-LF048

LLBD00ZSA003

L588

CHOKE COIL 47

µ

H-K or

LLBD00PKV007

POT COIL 47

µ

H K

LLBD00DQE001

L601

#

LINE FILTER JLB2808 or

LLBG00ZXB004

#

LINE FILTER MS036 or

LLBG00ZY2009

#

LINE FILTER CSA-LF032

LLBG00ZSA007

TRANSISTORS

Q31

RES. BUILT-IN TRANSISTOR BA1F4M-T or

QQSZ00BA1F4M

RES. BUILT-IN TRANSISTOR KRC103M

NQSZ0KRC103M

Q111

#

TRANSISTOR 2SC2785(F) or

QQSF02SC2785

#

TRANSISTOR 2SC2785(H) or

QQSH02SC2785

#

TRANSISTOR 2SC2785(J) or

QQSJ02SC2785

#

TRANSISTOR KTC3199(GR) or

NQS10KTC3199

#

TRANSISTOR KTC3198(GR) or

NQS40KTC3198

#

TRANSISTOR 2SC3331(T)-AANP or

2SC3331TZ

#

TRANSISTOR 2SC3331(U)-AANP or

2SC3331UZ

#

TRANSISTOR 2SC1815-GR(TPE2)

QQS102SC1815

Q131

RES. BUILT-IN TRANSISTOR BA1F4M-T or

QQSZ00BA1F4M

RES. BUILT-IN TRANSISTOR KRC103M

NQSZ0KRC103M

Q161

RES. BUILT-IN TRANSISTOR BA1F4M-T or

QQSZ00BA1F4M

RES. BUILT-IN TRANSISTOR KRC103M

NQSZ0KRC103M

Q321

TRANSISTOR 2SC2785(F) or

QQSF02SC2785

TRANSISTOR 2SC2785(H) or

QQSH02SC2785

TRANSISTOR 2SC2785(J) or

QQSJ02SC2785

TRANSISTOR KTC3199(GR) or

NQS10KTC3199

Ref. No.

Description

Part No.

TRANSISTOR KTC3198(GR) or

NQS40KTC3198

TRANSISTOR 2SC3331(T)-AANP or

2SC3331TZ

TRANSISTOR 2SC3331(U)-AANP or

2SC3331UZ

TRANSISTOR 2SC1815-GR(TPE2)

QQS102SC1815

Q361

TRANSISTOR 2SC2785(F) or

QQSF02SC2785

TRANSISTOR 2SC2785(H) or

QQSH02SC2785

TRANSISTOR 2SC2785(J) or

QQSJ02SC2785

TRANSISTOR KTC3199(GR) or

NQS10KTC3199

TRANSISTOR KTC3198(GR) or

NQS40KTC3198

TRANSISTOR 2SC3331(T)-AANP or

2SC3331TZ

TRANSISTOR 2SC3331(U)-AANP or

2SC3331UZ

TRANSISTOR 2SC1815-GR(TPE2)

QQS102SC1815

Q511

RES. BUILT-IN TRANSISTOR BA1F4M-T or

QQSZ00BA1F4M

RES. BUILT-IN TRANSISTOR KRC103M

NQSZ0KRC103M

Q512

RES. BUILT-IN TRANSISTOR BA1F4M-T or

QQSZ00BA1F4M

RES. BUILT-IN TRANSISTOR KRC103M

NQSZ0KRC103M

Q547

TRANSISTOR 2SC2785(F) or

QQSF02SC2785

TRANSISTOR 2SC2785(H) or

QQSH02SC2785

TRANSISTOR 2SC2785(J) or

QQSJ02SC2785

TRANSISTOR KTC3199(GR) or

NQS10KTC3199

TRANSISTOR KTC3198(GR) or

NQS40KTC3198

TRANSISTOR 2SC3331(T)-AANP or

2SC3331TZ

TRANSISTOR 2SC3331(U)-AANP or

2SC3331UZ

TRANSISTOR 2SC1815-GR(TPE2)

QQS102SC1815

Q551

TRANSISTOR 2SA1175(F) or

QQSF02SA1175

TRANSISTOR KTA1267(GR) or

NQS10KTA1267

TRANSISTOR KTA1266(GR) or

NQS40KTA1266

TRANSISTOR 2SA1318(T)-AANP or

2SA1318TZ

TRANSISTOR 2SA1318(U)-AANP or

2SA1318UZ

TRANSISTOR 2SA1015-GR(TPE2)

QQS102SA1015

Q552

#

TRANSISTOR 2SD1666R or

QQER02SD1666

#

TRANSISTOR 2SD1666S or

QQES02SD1666

#

TRANSISTOR KTD2059(O) or

NQ400KTD2059

#

TRANSISTOR KTD2059(Y) or

NQ4Y0KTD2059

#

TRANSISTOR 2SD1825

Q2SD1825****

Q561

TRANSISTOR 2SC2785(F) or

QQSF02SC2785

TRANSISTOR 2SC2785(H) or

QQSH02SC2785

TRANSISTOR 2SC2785(J) or

QQSJ02SC2785

TRANSISTOR KTC3199(GR) or

NQS10KTC3199

TRANSISTOR KTC3198(GR) or

NQS40KTC3198

TRANSISTOR 2SC3331(T)-AANP or

2SC3331TZ

TRANSISTOR 2SC3331(U)-AANP or

2SC3331UZ

TRANSISTOR 2SC1815-GR(TPE2)

QQS102SC1815

Q571

#

TRANSISTOR 2SC5978 or

QQZZ02SC5978

#

TRANSISTOR TT2190LS or

QQZZTT2190LS

#

TRANSISTOR TT2142

QQZZ00TT2142

Q572

TRANSISTOR 2SC1627Y-TPE2

QQSY02SC1627

Q601

#

MOS FET 2SK3561

QFWZ02SK3561

Q602

#

TRANSISTOR 2SC2120-O-TPE2 or

QQS002SC2120

#

TRANSISTOR 2SC2120-Y(TPE2)

QQSY02SC2120

Q631

TRANSISTOR 2SA1175(F) or

QQSF02SA1175

TRANSISTOR KTA1267(GR) or

NQS10KTA1267

TRANSISTOR KTA1266(GR) or

NQS40KTA1266

TRANSISTOR 2SA1318(T)-AANP or

2SA1318TZ

TRANSISTOR 2SA1318(U)-AANP or

2SA1318UZ

TRANSISTOR 2SA1015-GR(TPE2)

QQS102SA1015

Q652

#

TRANSISTOR 2SC2785(F) or

QQSF02SC2785

#

TRANSISTOR 2SC2785(H) or

QQSH02SC2785

#

TRANSISTOR 2SC2785(J) or

QQSJ02SC2785

#

TRANSISTOR KTC3199(GR) or

NQS10KTC3199

#

TRANSISTOR KTC3198(GR) or

NQS40KTC3198

Ref. No.

Description

Part No.

Summary of Contents for SST4274S

Page 1: ...27 COLOR TELEVISION SST4274S SERVICE MANUAL ...

Page 2: ... and advice the service trade of all con ceivable ways in which 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 proce dure or tool which is not recommended by Funai must first use all precau tions thoroughly so that neither his safety nor the safe operation of the e...

Page 3: ...et limit specifications Description Condition Unit Nominal Limit 1 Intermediate Freq Picture Sound MHz MHz 45 75 41 25 2 Peak Picture Sens VHF CATV UHF dBµv dBµv dBµv 15 15 15 30 30 40 3 AFT Pull In Range 10mV input MHz 2 0 0 7 Description Condition Unit Nominal Limit 1 Deflection Freq Horizontal Vertical KHz Hz 15 734 60 2 Linearity Horizontal Vertical 15 10 3 Over Scan 10 4 High Voltage KV 29 De...

Page 4: ...ngs tied together and touch the other ohmme ter lead in turn to each tuner antenna input ex posed terminal screw and if applicable to the coaxial connector If the measured resistance is less than 1 0 megohm or greater than 5 2 mego hm 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 L...

Page 5: ...the ground side of the AC power source To confirm that the AC power plug is inserted correctly with an AC volt meter measure between the chassis and a known earth ground If a voltage reading in excess of 1 0V is obtained remove and reinsert the AC power plug in the opposite polarity and again measure the voltage potential between the chassis and a known earth ground b Some TV receiver chassis norm...

Page 6: ...replaced wires do not contact sharp edged or pointed parts H When a power cord has been replaced check that 5 6 kg of force in any direction will not loosen it I Also check areas surrounding repaired locations J Use care that foreign objects screws solder drop lets etc do not remain inside the set K Crimp type wire connector The power transformer uses crimp type connec tors which connect the power...

Page 7: ...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 followin...

Page 8: ... Flat Pack IC about 5 to 6 seconds Fig S 1 1 2 Remove the flat pack IC with tweezers while ap plying the hot air 3 Bottom of the flat pack IC is fixed 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 from the CBA using twee zers Fig S 1 6 Caution 1 The Fla...

Page 9: ...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 from the CBA using twee zers Fig S 1 6 With Iron Wire 1 Using desoldering braid remove the solder from all pins of the flat pack IC When you use solder flux which is applied to all pins of the flat pack IC you can remove it easily Fi...

Page 10: ...stallation 1 Using desoldering braid remove the solder from the foil of each pin of the flat pack IC on the CBA so you can install a replacement flat pack IC more easily 2 The I mark on the flat pack IC indicates pin 1 See Fig S 1 7 Be sure this mark matches the 1 on the PCB when positioning for installation Then pre solder the four corners of the flat pack IC See Fig S 1 8 3 Solder all pins of th...

Page 11: ...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 1MΩ on the workbench or other surface where the semiconductors are to be placed Because the static electricity charge on cloth ing will not escape through the body grounding band be careful to avoid contacting semiconductors with your c...

Page 12: ...moved unhooked un locked released unplugged unclamped or des oldered S Screw P Spring L Locking Tab CN Con nector Unhook Unlock Release Unplug or Desolder 2 S 2 two Screws S 2 5 Refer to the following Reference Notes in the Table Reference Notes in the Table 1 Removal of the Rear Cabinet Remove screws 7 S 1 2 S 2 and S 4 then slide the Rear Cabi net backward 2 Removal of the CRT CBA Disconnect CN1...

Page 13: ...4 2 L2712DC Fig 1 S 1 S 1 S 1 S 1 S 4 S 2 1 Rear Cabinet Fig 2 S 1 S 1 S 1 S 1 S 1 S 1 S 4 S 2 S 1 1 Rear Cabinet Fig 3 3 Main CBA Fig 4 4 CRT Anode Cap S 3 S 3 S 3 S 3 2 CRT CBA ...

Page 14: ...ring Diagram ANODE Fig 5 FLYBACK TRANSFORMER T571 AC601 AC CORD CN801 CLN801 SP801 CLN802 SP802 CN802 CN691 MAIN CBA DG691 DEGAUSSING COIL TU11 TUNER WH301A WH501A CN571 JK1501 WH501B WH301B TO CRT GROUND CN1501 FOCUS SCREEN ...

Page 15: ...are normal remote control unit Part No NE121UD or NE122UD Remove 3 Screws from the back lid Fig 1 1 2 Add J1 Jumper Wire to the remote control CBA Fig 1 2 How to set up the service mode Service mode 1 Use the service remote control unit 2 Turn the power on Use main power on the TV unit 3 Press SLEEP button on the service remote con trol unit Version of micro computer will display on the CRT Ex 058...

Page 16: ...of CONTRAS CNT becomes 84 CLR 1 Press MENU button on the service remote con trol unit Then select COLOR CLR display 2 Press CH o p buttons on the service remote control unit so that the value of COLOR CLR becomes 56 S CLR 1 Press MENU button on the service remote con trol unit Then select S COLOR S CLR display 2 Press CH o p buttons on the service remote control unit so that the value of S COLOR S...

Page 17: ... S2 is indicated 5 Press CH o p buttons on the service remote control unit so that display will change 0 and 1 Then choose B S2 0 6 Turn the power off and on again using the main power button on the TV unit 6 Purity Check 1 Enter the Service mode See page 5 1 2 Press 7 button on the remote control unit Each time pressing 7 button on the remote control unit display changes Red mode Green mode Blue ...

Page 18: ...mage Symptom of misadjustment If V Position is incor rect vertical height of image on the screen may not be properly displayed Note Use service remote control unit 1 Operate the unit for at least 20 minutes 2 Enter the Service Mode See page 5 1 3 Receive the monoscope pattern 4 Press 9 button on the service remote control unit and select V P mode Display change V S and V P cyclically when 9 button...

Page 19: ...CCESS CODE SOUND TYPE VIDEO TONE FM MODE V OUT VIDEO AV MEMO STABLE SOUND FILTER 500 YUV MEMORY NO SIG BRT A MUTE POL and V MENU cycli cally when VOL p button is pressed then press 1 The display will momentarily show CUT OFF R R Red Now there should be a horizontal line across the center of the picture tube If needed gradually turn the screen control on the flyback clockwise until the horizontal l...

Page 20: ...ures become 9200K x 286 y 294 3 Note Confirm that Cut Off Adj is correct after this adjustment and attempt Cut Off Adj if needed 16 Sub Brightness Adjustment Purpose To get proper brightness Symptom of Misadjustment If Sub Brightness is incorrect proper brightness cannot be obtained by adjusting the Brightness Control Note IQW Setup level 7 5 IRE Use service remote control unit 1 Enter the Service...

Page 21: ...onvergence of red green and blue beams Symptom of Misadjustment If Convergence Adjust ment is incorrect the edge of white letters may have color edges 1 Loosen the Ring Lock and align red with blue dots or Crosshatch at the center of the screen by rotat ing RB C P Magnets See Fig 7 2 Align red blue with green dots at the center of the screen by rotating RB G C P Magnet See Fig 8 3 Fix the C P Magn...

Page 22: ...2 8V CTRL DG ON H 5V CTRL 5V CTRL2 8V CTRL TO POWER SUPPLY BLOCK TO CRT H V BLOCK PROTECT 2 PROTECT 1 PROTECT 3 P ON H KEY IN2 KEY IN1 RCV IN RCV101 IC151 MEMORY SCL 6 SDA 5 VOLUME 67 68 76 79 69 66 70 PROTECT 2 PROTECT 1 7 CS 72 I2C OPEN IC111 TV MICON VIDEO AUDIO CHROMA DEFLECTION TO IF VIDEO BLOCK INPUT0 TO IF VIDEO BLOCK TO AUDIO BLOCK VOLUME A MUTE MAIN CBA Q161 INPUT1 INPUT0 Q131 SCL SDA TO ...

Page 23: ...CONTRAST BRIGHTNESS RGB DRIVE CUT OFF H V BLK LPF 14 20 29 11 61 53 46 45 38 37 ACL H DRIVE FBP IN RAMP OUT V RAMP F B 24 SAW FILTER VIF AMP VIDEO DET VCO 4 5MHz FILTER LPF IF AGC DET EQ AMP RF AGC AMP AFT 4 5MHz TRAP SIF AMP 16 11 13 18 6 17 4 2 7 1 8 TU11 SF11 IF AGC SDA SCL EXT CLK 1 11 5 4 8 14 26 SIF 52 51 50 MAIN CBA VIDEO SIGNAL RF IF SIGNAL AUDIO SIGNAL WF16 WF2 TO AUDIO BLOCK IC111 TV MIC...

Page 24: ...TRIX AGC OFFSET CANCEL L R FILTER L R SAP SW SAP FILTER I2C DECORDER SAP DEMOD SAP OUT FILTER 29 30 TO IF VIDEO BLOCK TUNER REAR FRONT TUNER REAR FRONT L CH R CH 21 27 24 IC431 MTS SAP AUDIO SIGNAL PROCESS AUDIO IN L REAR JK711 SIF JK711 AUDIO IN R REAR JK702 AUDIO IN L FRONT JK703 AUDIO IN R FRONT OFFSET CANCEL JK801 HEADPHONE JACK SP802 SPEAKER R CH CN802 SP R 1 SP GND 2 SP801 SPEAKER L CH CN801...

Page 25: ...1501 CN1501 WH501B WH501A VIDEO SIGNAL CN571 H OUTPUT H DRIVE B X RAY TP591 TP592 PROTECT 3 DEF B AMP 7 1 Q512 6 3 PULSE UP THERMAL PROTECTION SWITCHING P ON ON 5 SWITCHING SWITCHING WF7 WF8 WF11 WF12 WF9 WF10 WF3 WF15 WF4 WF14 WF5 WF13 RED AMP PROTECT 2 RED 3 GREEN 4 BLUE 5 HEATER 3 3 200V 1 1 PROTECT 1 H CONTROL TO POWER SUPPLY BLOCK TO IF VIDEO BLOCK TO IF VIDEO BLOCK TO SYSTEM CONTROL BLOCK TO...

Page 26: ...UP PROTECT 1 TO PIN68 OF IC111 Q682 P ON 5V 5V CTRL TO PIN28 OF IC111 5V SWITCHING 5V SWITCHING AL 9V Q321 9V SWITCHING Q674 SWITCHING P ON ON P ON H TO PIN79 OF IC111 HOT CIRCUIT BE CAREFUL 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 1 2 FEED BACK SWITCHING DG ON ON CAUTIO...

Page 27: ...wings 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 M 106 3 Resistor wattages are 1 4W or 1 6W unless otherwise specified 4 All capacitance values are indicated in µF P 10 6 µF 5 All voltages are DC voltages unless otherwise specified Note of Capacitors ...

Page 28: ...aired units use only original replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Wire Connectors 1 Prefix symbol CN means connector can disconnect and reconnect 2 Prefix symbol CL means wire solder holes of the PCB wire is soldered directly 5 Note Mark I is a leadless chip component 6 Voltage indications on the schematics are as shown below...

Page 29: ... B3 B4 C1 C2 C3 C4 D1 D2 D3 D4 E1 E2 E3 E4 F1 F2 F3 F4 VIDEO SIGNAL Main 1 4 Schematic Diagram 7 3 7 4 L2712SCM1 MAIN 1 4 Ref No Position IC111 C 2 IC151 A 3 Q111 D 1 Q131 A 3 Q161 A 4 Q321 E 1 Q361 B 4 ICS TRANSISTORS ...

Page 30: ...I3 I4 J1 J2 J3 J4 K1 K2 K3 K4 L1 L2 L3 L4 VIDEO SIGNAL AUDIO SIGNAL 7 5 7 6 L2712SCM2 Main 2 4 Schematic Diagram MAIN 2 4 Ref No Position IC431 G 3 IC771 H 2 IC801 I 3 Q801 J 3 Q811 I 3 CN801 L 4 CN802 L 4 CONNECTORS ICS TRANSISTORS ...

Page 31: ...lown check to see that all components 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 1 NOTE The Capacitor C643 is either type A or type B These two types are exchangeable and can be equally used whichever the model is The difference between type A and type B is shown in t...

Page 32: ... Ref No Position IC551 S 3 CN571 T 3 WH301A V 2 Q511 S 2 WH501A V 3 Q512 S 2 Q547 U 2 TP591 U 2 Q551 T 3 TP592 U 2 Q552 T 3 TP601 U 2 Q561 U 3 Q571 U 2 VR561 U 3 Q572 T 2 VR562 U 3 IC TEST POINTS TRANSISTORS CONNECTORS VARIABLE RESISTORS CRT Ref No Position Q1511 W 1 Q1521 W 1 Q1531 X 1 CN1501 X 2 WH301B V 2 WH501B V 3 TRANSISTORS CONNECTORS ...

Page 33: ...7 12 CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F601 is blown check to see that all components 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 MAIN CBA Ref No Position IC31 B 1 IC111 E 1 IC151 E 2 IC431 D 1 IC551...

Page 34: ...E ISOLATION TRANSFORMER IS REQUIRED NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE 4A 125V FUSE ATTENTION UTILISER UN FUSIBLE DE RECHANGE DE MÊME TYPE DE 4A 125V 4A 125V 7 13 7 14 BL2700F01012 1 CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in ...

Page 35: ...4 Q1521 Collector Q1521 Base WF4 WF13 Q1531 Collector Q1531 Base WF5 7 15 BL2700F01012 2 7 16 CRT CBA Top View CRT CBA Bottom View CRT CBA Ref No Position Q1511 A 2 Q1521 A 2 Q1531 A 2 CN1501 B 1 WH301B B 2 WH501B B 1 TRANSISTORS CONNECTORS ...

Page 36: ...o Signal INITIAL POSITION Unplug unit from AC outlet for at least 5 minutes reconnect to AC outlet and then turn power on Brightness Center Color Center Tint Center Contrast Approx 70 1DIV 0 2V 20ms IC 801 Pin 3 WF6 1DIV 2V 20µs Q 1531 Base WF5 GND 1DIV 10V 20µs Q 572 Collector WF7 GND 1DIV 5V 20µs Q 571 Base WF8 WF1 WF16 Waveforms to be observed at Waveform check points Shown in Schematic Diagram...

Page 37: ... Center Tint Center Contrast Approx 70 WF1 WF16 Waveforms to be observed at Waveform check points Shown in Schematic Diagram 1DIV 200V 20µs CN 571 Pin 1 WF9 GND 1DIV 5V 20µs WH501A Pin 3 WF10 GND 1DIV 10V 5ms CN 571 Pin 4 WF12 1DIV 20V 20µs Q 1521 Collector WF14 1DIV 20V 20µs Q 1531 Collector WF13 1DIV 20V 20µs Q 1511 Collector WF15 1DIV 0 2V 20µs TU 11 Pin 8 WF16 1DIV 1V 5ms IC 551 Pin 7 WF11 GND...

Page 38: ...AC601 1 2 3 4 5 1 2 3 4 5 CN571 5 4 3 2 1 WH301B GND RED GREEN BLUE V501 CRT ANODE L CH R CH 1 SP L 2 SP801 SPEAKER CN801 1 SP R 2 SP802 SPEAKER CN802 T571 FBT TU11 TUNER UNIT WH501A WH501B 8V GND RED GREEN BLUE 8V HEATER 3 GND 2 200V 1 GND 2 200V 1 HEATER 3 CLN801 CLN802 SP GND SP GND BL2700F01012 2 BL2700F01012 1 ...

Page 39: ...t 31 V REG VCC DC 8 7V Input 32 FSC OUT Clock Output 3 58MHz 33 N U Not Used 34 N U Not Used 35 N U Not Used 36 N U Not Used 37 V RAMP F B V Ramp Feed Back 38 V RAMP OUT Vertical Output 39 V RAMP CAP V Ramp OSC Capacitor 40 8 7 VREG OUT DC 8 7V Output 41 N U Not Used 42 H VCO F B H Vco Feed Back 43 AFC FILT Horizontal AFC Filter 44 GND GND 45 FBP IN Flyback Pulse Input 46 H OUT H Pulse Output 47 V...

Page 40: ...e Adjustment Judgement 73 AFT IN AFT Voltage Input 74 DG ON H Degaussing Coil Control 75 AGC AGC Voltage Input 76 PROTECT 3 Power Supply Protection 77 N U Not Used 78 N U Not Used 79 P ON H Output for P ON H 80 INPUT 1 Input Select 1 Pin No Signal Name Function ...

Page 41: ...rts List for parts with this mark V501 Scotch Tape 880 Scotch Tape 880 CRT CBA B7 DY551 L1 L1 B3 B4 L1 B2 MAIN CBA AC601 B3 B3 B3 B3 L4 L1 B4 SP801 CLN801 B6 L1 B4 SP802 CLN802 B6 V501 2 V501 1 DY551 Details for DY551 and surrounding parts SHINWHA TAPE SGT 730 WHITE SHINWHA TAPE SGT 730 BLACK 11 1 11 2 L2712CEX ...

Page 42: ...11 3 L2712PEX Packing S5 PACKING TAPE FRONT S1 X1 TAPE X4 X3 X2 X5 S4 S2 S2 S3 S3 S6 ...

Page 43: ...L6201UB 0EM000645 S3 STYROFOAM BOTTOM L6201UB 0EM000646 S4 SHEET SET PCEC 003502019816 0EM403887 S5 SERIAL NO LABEL L2712UN S6 HOLD PAD L6201UB 0EM407287 ACCESSORIES X1 BAG POLYETHYLENE 235X365XT0 03 0EM408420 X2 OWNER S MANUAL ENGLISH SPL2712UN ENG SPA 1EMN20029 X3 REMOTE CONTROL NE122UD NE122UD X4 DRY BATTERY R6P UM3 or XB0M451GH001 DRY BATTERY R6P 2S or XB0M451T0001 DRY BATTERY SUNRISE R6SSE 2S...

Page 44: ...20040310 12 2 L2712CA CRT Warning Label Location CRT CRT Warning Label CRT Type No ...

Page 45: ...STL470 ELECTROLYTIC CAP 47µF 16V M CE1CMASDL470 C112 ELECTROLYTIC CAP 4 7µF 50V M or CE1JMASTL4R7 ELECTROLYTIC CAP 4 7µF 50V M CE1JMASDL4R7 C113 CHIP CERAMIC CAP F Z 0 1µF 25V CHD1EZB0F104 C114 FILM CAP P 0 001µF 50V J or CMA1JJS00102 FILM CAP P 0 001µF 50V J CA1J102MS029 C115 ELECTROLYTIC CAP 0 1µF 50V M or CE1JMASTLR10 ELECTROLYTIC CAP 0 1µF 50V M or CE1JMASDLR10 ELECTROLYTIC CAP 0 1µF 50V M CE1...

Page 46: ...0V LL CE1JMASLH1R5 C505 ELECTROLYTIC CAP 1000µF 35V M or CE1GMZNTL102 ELECTROLYTIC CAP 1000µF 35V M or CE1GMZADL102 Ref No Description Part No ELECTROLYTIC CAP 1000µF 35V M or CE1GMZNDL102 ELECTROLYTIC CAP 1000µF 35V M CE1GMZPDL102 C506 ELECTROLYTIC CAP 470µF 35V M VR or CE1GMZNTL471 ELECTROLYTIC CAP 470µF 35V M or CE1GMZADL471 ELECTROLYTIC CAP 470µF 35V M or CE1GMZNDL471 ELECTROLYTIC CAP 470µF 35...

Page 47: ...r CE1AMASTL101 ELECTROLYTIC CAP 100µF 10V M CE1AMASDL101 C685 ELECTROLYTIC CAP 100µF 10V M or CE1AMASTL101 Ref No Description Part No ELECTROLYTIC CAP 100µF 10V M CE1AMASDL101 C705 CERAMIC CAP AX X K 3900pF 16V CDA1CKT0X392 C706 ELECTROLYTIC CAP 0 47µF 50V M or CE1JMASTLR47 ELECTROLYTIC CAP 0 47µF 50V M CE1JMASDLR47 C708 CHIP CERAMIC CAP B K 3900pF 50V CHD1JKB0B392 C709 ELECTROLYTIC CAP 0 47µF 50V...

Page 48: ...or QDTZ001SS133 SWITCHING DIODE 1N4148 NDTZ001N4148 D611 ZENER DIODE MTZJT 7720B or QDTB00MTZJ20 Ref No Description Part No ZENER DIODE DZ 20BSBT265 NDTB00DZ20BS D612 ZENER DIODE MTZJT 7718B or QDTB00MTZJ18 ZENER DIODE DZ 18BSBT265 NDTB00DZ18BS D613 ZENER DIODE MTZJT 777 5B or QDTB0MTZJ7R5 ZENER DIODE DZ 7 5BSBT265 NDTB0DZ7R5BS D614 SWITCHING DIODE 1SS133 T 77 or QDTZ001SS133 SWITCHING DIODE 1N414...

Page 49: ...ISTOR KTC3199 GR or NQS10KTC3199 Ref No Description Part No TRANSISTOR KTC3198 GR or NQS40KTC3198 TRANSISTOR 2SC3331 T AANP or 2SC3331TZ TRANSISTOR 2SC3331 U AANP or 2SC3331UZ TRANSISTOR 2SC1815 GR TPE2 QQS102SC1815 Q361 TRANSISTOR 2SC2785 F or QQSF02SC2785 TRANSISTOR 2SC2785 H or QQSH02SC2785 TRANSISTOR 2SC2785 J or QQSJ02SC2785 TRANSISTOR KTC3199 GR or NQS10KTC3199 TRANSISTOR KTC3198 GR or NQS40...

Page 50: ...4JATZ0223 R101 CARBON RES 1 4W J 100 Ω RCX4JATZ0101 R102 CHIP RES 1608 1 10W J 1 5k Ω RRXAJB5Z0152 R103 CHIP RES 1608 1 10W J 2 2k Ω RRXAJB5Z0222 R104 CHIP RES 1608 1 10W J 2 7k Ω RRXAJB5Z0272 R105 CHIP RES 1608 1 10W J 4 7k Ω RRXAJB5Z0472 R106 CHIP RES 1608 1 10W J 8 2k Ω RRXAJB5Z0822 R108 CHIP RES 1608 1 10W J 10k Ω RRXAJB5Z0103 R109 CHIP RES 1608 1 10W J 10k Ω RRXAJB5Z0103 R111 CARBON RES 1 4W ...

Page 51: ...RES 1 4W J 15 Ω RCX4JATZ0150 R576 CHIP RES 1608 1 10W J 1k Ω RRXAJB5Z0102 R577 CARBON RES 1 4W J 330 Ω RCX4JATZ0331 R578 CARBON RES 1 4W J 15 Ω RCX4JATZ0150 Ref No Description Part No R579 CARBON RES 1 4W J 15 Ω RCX4JATZ0150 R581 PCB JUMPER D0 6 P5 0 JW5 0T R583 METAL OXIDE FILM RES 2W J 6 8 Ω or RN026R8ZU001 METAL OXIDE FILM RES 2W J 6 8 Ω RN026R8DP004 R584 CARBON RES 1 4W J 1k Ω RCX4JATZ0102 R58...

Page 52: ... 10W J 1k Ω RRXAJB5Z0102 R814 CHIP RES 1608 1 10W J 4 7k Ω RRXAJB5Z0472 R841 METAL OXIDE FILM RES 1W J 1 2 Ω or RN011R2ZU001 METAL OXIDE FILM RES 1W J 1 2 Ω RN011R2DP003 R842 PCB JUMPER D0 6 P5 0 JW5 0T R843 CHIP RES 1608 1 10W J 2 2k Ω RRXAJB5Z0222 Ref No Description Part No R862 CHIP RES 1 10W J 0 Ω RRXAJB5Z0000 R863 CHIP RES 1608 1 10W J 10k Ω RRXAJB5Z0103 SWITCHES SW101 TACT SWITCH SKQSAB or S...

Page 53: ... Ref No Description Part No CRT CBA Consists of the following CAPACITORS C1502 ELECTROLYTIC CAP 10µF 50V M or CE1JMASTL100 Ref No Description Part No ELECTROLYTIC CAP 10µF 50V M CE1JMASDL100 C1510 CERAMIC CAP B K 1000pF 2KV or CCD3DKD0B102 CERAMIC CAP B K 1000pF 2KV or CCD3DKP0B102 CERAMIC CAP 1000pF 2KV CCD3DKN0B102 C1511 CERAMIC CAP AX B K 270pF 50V CCA1JKT0B271 C1521 CERAMIC CAP AX B K 270pF 50...

Page 54: ...SST4274S L2712UN 2004 04 08 ...

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