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32" COLOR TELEVISION

SST4324

SERVICE MANUAL

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Содержание SST4324

Страница 1: ...32 COLOR TELEVISION SST4324 SERVICE MANUAL...

Страница 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 evaluati...

Страница 3: ...t 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 dB v dB v dB v 15 15 15 30 30 40 3 AFT Pull In Ra...

Страница 4: ...gs 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 m...

Страница 5: ...he 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...

Страница 6: ...eplaced 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 l...

Страница 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...

Страница 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 pac...

Страница 9: ...n 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...

Страница 10: ...r 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 ma...

Страница 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 1M on the workbench or other surface...

Страница 12: ...ed 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 R...

Страница 13: ...4 2 L2902DC Fig 1 S 1 S 2 S 4 1 Rear Cabinet S 1 S 1 S 1 Fig 2 1 Rear Cabinet S 1 S 1 S 1 S 1 S 1 S 1 S 1 S 1 S 4 S 2 3 Main CBA Fig 3 Fig 4 4 CRT Anode Cap S 3 S 3 S 3 S 3...

Страница 14: ...ing 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 GRO...

Страница 15: ...e normal remote control unit Part No N0138UD N0139UD or NE143UD Remove 3 Screws from the back lid Fig 1 1 2 Added J1 Jumper Wire to the remote control CBA Fig 1 2 How to set up the service mode Servic...

Страница 16: ...f 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...

Страница 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...

Страница 18: ...mode Display changes V S and V P cyclically when 9 button is pressed 5 Press CH o p buttons on the service remote control unit so that the monoscope pattern will be 90 5 of display size and the circl...

Страница 19: ...the CRT and allow CRT to operate for 20 minutes before starting the alignment 2 Input the Black Raster Signal from RF Input 3 Enter the Service mode See page 5 1 4 Press VOL p button on the service r...

Страница 20: ...res 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...

Страница 21: ...e cross hatch pattern be comes flat 20 Convergence Adjustment Purpose To obtain proper convergence of red green and blue beams Symptom of Misadjustment If Convergence Adjust ment is incorrect the edge...

Страница 22: ...5 8 L2902EA 21 Yh Yv Xv Adjustment 1 Adjust the volume of Deflection Yoke Yh Yv Xv to get good convergence Xv YH Yv FRONT YH Yv Xv...

Страница 23: ...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...

Страница 24: ...ONTRAST 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...

Страница 25: ...R CH MATRIX 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 S...

Страница 26: ...1 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...

Страница 27: ...P 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 CONTIN...

Страница 28: ...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...

Страница 29: ...ired 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 disconn...

Страница 30: ...2 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 L2902SCM1 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 CN301 A...

Страница 31: ...3 I4 J1 J2 J3 J4 K1 K2 K3 K4 L1 L2 L3 L4 VIDEO SIGNAL AUDIO SIGNAL 7 5 7 6 L2902SCM2 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 K 4 CN802...

Страница 32: ...M ME TYPE DE 4A 125V 4A 125V 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...

Страница 33: ...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 CONNECTO...

Страница 34: ...AUTION 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 befo...

Страница 35: ...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...

Страница 36: ...r Q1521 Base WF4 WF13 Q1531 Collector Q1531 Base WF5 7 15 BL2700F01011 2 7 16 CRT CBA Top View CRT CBA Bottom View CRT CBA Ref No Position Q1511 A 2 Q1512 A 2 Q1521 A 2 Q1522 A 2 Q1531 A 2 Q1532 A 2 C...

Страница 37: ...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 20msec...

Страница 38: ...int Center Contrast Approx 70 WF1 WF16 Waveforms to be observed at Waveform check points Shown in Schematic Diagram 1DIV 200V 20 sec CN 571 Pin 1 WF9 GND 1DIV 5V 20 sec WH501A Pin 3 WF10 GND 1DIV 10V...

Страница 39: ...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 GN...

Страница 40: ...REG VCC DC 8 7V Input 32 FSC OUT Clock Output 3 58MHz 33 MONITOR OUT Monitor Out 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...

Страница 41: ...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...

Страница 42: ...this mark A3 A2 A1 L1 L1 B4 B4 SP801 SP802 B2 B2 B2 B1 B2 CLN551 SCOTCH TAPE 880 V501 CRT CBA ANODE CAP Part of Flyback Transformer L691 L1 L1 L1 L1 B3 B4 B5 B2 MAIN CBA AC601 PB4 B5 B5 B5 B5 L2 L2 L2...

Страница 43: ...11 3 L2902PEX Packing FRONT S2 S6 PACKING TAPE S5 S4 S3 S2 X2 X4 X3 TAPE X1 S1 X5...

Страница 44: ...LY WX1L2700 001 WX1L2700 001 L1 SCREW P TIGHT 3X12 BIND HEAD GBMP3120 L2 SCREW P TIGHT 4X18 BIND HEAD GBMP4180 L3 SCREW TAPPING M4X14 DBU14140 L4 SCREW P TIGHT 3X10 BIND HEAD GBKP3100 L691 DEGAUSSING...

Страница 45: ...L100 C111 ELECTROLYTIC CAP 47 F 16V M or CE1CMASTL470 ELECTROLYTIC CAP 47 F 16V M CE1CMASDL470 C112 ELECTROLYTIC CAP 4 7 F 50V M or CE1JMASTL4R7 ELECTROLYTIC CAP 4 7 F 50V M CE1JMASDL4R7 C113 CHIP CER...

Страница 46: ...GMASTL101 ELECTROLYTIC CAP 100 F 35V M CE1GMASDL101 C504 ELECTROLYTIC CAP 2 2 F 50V M LL or CE1JMASLL2R2 ELECTROLYTIC CAP 2 2 F 50V LL CE1JMASLH2R2 Ref No Description Part No C505 ELECTROLYTIC CAP 100...

Страница 47: ...TIC CAP 1000 F 10V M CE1AMASDL102 C685 ELECTROLYTIC CAP 100 F 10V M or CE1AMASTL101 ELECTROLYTIC CAP 100 F 10V M CE1AMASDL101 Ref No Description Part No C705 CERAMIC CAP AX X K 2700pF 16V CDA1CKT0X272...

Страница 48: ...4Z0ERC0406 D607 DIODE 1N5406 or NDLZ001N5406 DIODE ERC04 06L3 QD4Z0ERC0406 D608 DIODE 1N5406 or NDLZ001N5406 Ref No Description Part No DIODE ERC04 06L3 QD4Z0ERC0406 D609 SWITCHING DIODE 1SS133 T 77 o...

Страница 49: ...OR KTC3198 GR or NQS40KTC3198 Ref No Description Part No TRANSISTOR 2SC3331 T AANP or 2SC3331TZ TRANSISTOR 2SC3331 U AANP or 2SC3331UZ TRANSISTOR 2SC1815 GR TPE2 QQS102SC1815 Q361 TRANSISTOR 2SC2785 F...

Страница 50: ...1 10W J 4 7k RRXAJB5Z0472 R106 CHIP RES 1608 1 10W J 8 2k RRXAJB5Z0822 R108 CHIP RES 1608 1 10W J 10k RRXAJB5Z0103 R109 CHIP RES 1608 1 10W J 10k RRXAJB5Z0103 R111 CARBON RES 1 4W J 100 RCX4JATZ0101 R...

Страница 51: ...R584 CARBON RES 1 4W J 1k RCX4JATZ0102 R588 CARBON RES 1 4W J 33k RCX4JATZ0333 R589 CARBON RES 1 4W J 68k RCX4JATZ0683 Ref No Description Part No R590 CARBON RES 1 4W J 220k RCX4JATZ0224 R591 CARBON...

Страница 52: ...SW103 TACT SWITCH SKQSAB or SST0101AL038 TACT SWITCH KSM0612B or SST0101HH003 TACT SWITCH SKHHAM or SST0101AL029 Ref No Description Part No TACT SWITCH TC 1104 H 5 0 SST0101DNG02 SW104 TACT SWITCH SK...

Страница 53: ...0V CCA1JKT0B471 C1532 CERAMIC CAP AX B K 0 01 F 50V CA1J103TU011 CONNECTOR Ref No Description Part No CN1501 PIN CONNECTOR 005P 5100 JTEA001TG001 DIODES D1501 SWITCHING DIODE 1SS133 T 77 or QDTZ001SS1...

Страница 54: ...1 R1530 METAL RESISTOR 3W J 10k or RN03103ZU001 FIXED METAL OXIDE FILM RES 3W J 10k RN03103DP005 R1531 CARBON RES 1 4W J 1 5k RCX4JATZ0152 R1532 CARBON RES 1 4W J 1 5k RCX4JATZ0152 R1534 CHIP RES 1608...

Страница 55: ...SST4324 L2902UC 2004 03 02...

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