Sylvania SRT2232X User Manual

32" COLOR TELEVISIONSRT2232XSERVICE MANUAL

3-3 L6115STA2. Installation(1) Using desoldering braid, remove the solder fromthe foil of each pin of the flat pack-IC on the CBAso you can install a

4-1 L6650DCCABINET DISASSEMBLY INSTRUCTIONS1. Disassembly FlowchartThis flowchart indicates the disassembly steps for thecabinet parts, and the CBA in

4-2 L6650DCFig. 1S-1S-2S-4[1] Rear CabinetS-1S-1S-1Fig. 2[1] Rear CabinetS-1S-1S-1S-1S-1S-1S-1S-4S-2[3] Main CBAFig. 3Fig. 4[4] CRTAnode CapS-3S-3S-3S

4-3 L6650DCCN691ANODECN801CLN801SP801 L691 DEGAUSSING COILMAIN CBAFLYBACK TRANSFORMERT571AC601AC CORDTU1TUNERWH501BWH301BFOCUSSCREENWH501AWH301ATO CRT

5-1 L6650EAELECTRICAL ADJUSTMENT INSTRUCTIONSGeneral Note: "CBA" is abbreviation for "Circuit Board Assem-bly."NOTE:Electrical adj

5-2 L6650EA2. Initial SettingGeneral 1. Enter the Service mode. (See page 5-1) 2. Press "VOL p" button on the service remote controlunit. Di

5-3 L6650EA4. Setting for BRIGHT, CONTRAST,COLOR, TINT and SHARPNESSdata ValuesGeneral 1. Enter the Service mode. (See page 5-1) 2. Press "MENU&q

5-4 L6650EA5. Black Stretch Control AdjustmentPurpose: To show the fine black color.Symptom of Misadjustment: Black color will notappear correctly.Not

5-5 L6650EA8. H. Position AdjustmentPurpose: To obtain correct horizontal position ofscreen image.Symptom of Misadjustment: If H. Position is incor-re

5-6 L6650EA12. V-Pedestal Adjustment 1. In VIDEO mode of V1, V2, or YUV, press "3" buttonon the service remote control unit and select "

IMPORTANT SAFETY NOTICEProper service and repair is important to the safe, reliable operation of allFunai Equipment. The service procedures recommende

5-7 L6650EA16. Cut-off AdjustmentPurpose: To adjust the beam current of R, G, B, andscreen voltage.Symptom of Misadjustment: White color may bereddish

5-8 L6650EA18. Sub-Brightness AdjustmentPurpose: To get proper brightness.Symptom of Misadjustment: If Sub-Brightness isincorrect, proper brightness c

5-9 L6650EA21. Convergence AdjustmentPurpose: To obtain proper convergence of red, greenand blue beams.Symptom of Misadjustment: If Convergence Adjust

L6650BLSBLOCK DIAGRAMS6-1 6-258737563628056SCLAFTAGCAFTAGCINPUT0INPUT1PROTECT-2PROTECT-1PROTECT-3P-ON-HSDASystem Control Block DiagramREMOTESENSORKEYS

L6650BLIF6-3 6-45816563230SCLCF31CF32VCO F/BQ33AGCSDAS-SW(REAR)FROM/TOCRT/H.V. BLOCKWH301ATOCRT/H.V. BLOCKWH301BBLUE5GREEN4RED3IF/Video Block DiagramI

Audio Block DiagramMAIN CBAAUDIO SIGNAL6-5 6-6 L6650BLAA-MUTE-HVOLUMEFROM/TOSYSTEM CONTROL BLOCKINPUT 0INPUT 1SCLSDASP802SPEAKERR-CHCN802SP-R 1SP-GND

L6650BLCRTCRT/H.V. Block DiagramMAIN CBACRT CBA748611109RAMP-OUTP-ON-HV-RAMP-F/BH-DRIVEGREEN AMPBLUE AMPQ572 Q571Q531Q561Q551,Q552VR562VR561PCC WIDTHT

L6650BLP6-9 6-10Power Supply Block Diagram4A/125VF6014A/125VLINEFILTERL601AC601AC CORDDEGAUSSINGCOILL691CN691PS691BRIDGERECTIFIERD605 - D608HOT COLDT

7-1 L13SCSCHEMATIC DIAGRAMS / CBA'S AND TEST POINTSStandard NotesMany electrical and mechanical parts in this chassis have special characteristic

7-2 L13SCLIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ONTHE FOLLOWING PAGES:1. CAUTION: FOR CONTINUED PROTECTION AGAINST RISK O

1-1 L6650SPSPECIFICATIONS<TUNER> ANT. Input ------------------- 75ohm Unbal., F typeReference Level ----------- 20Vp-p (CRT Green Cathode)Test

A1A2A3A4B1B2B3B4C1C2C3C4D1D2D3D4E1E2E3E4F1F2F3F4VIDEO SIGNALMain 1/4 Schematic Diagram7-3 7-4L6650SCM1MAIN 1/4Ref No. PositionIC151A-3IC333C-2Q111 D-1

G1G2G3G4H1H2H3H4I1I2I3I4J1J2J3J4K1K2K3K4L1L2L3L4VIDEO SIGNALAUDIO SIGNAL7-57-6L6650SCM2Main 2/4 Schematic DiagramMAIN 2/4Ref No. PositionIC431G-3IC771

M1M2M3M4N1N2N3N4O1O2O3O4P1P2P3P4Q1Q2Q3Q4R1R2R3R4IF SIGNALVIDEO SIGNALAUDIO SIGNALNOTE :The voltage for parts in hot circuit is measuredusing hot GND a

S1S2S3T1T2T3U1U2U3V1V2V3W1W2W3X1X2X3VIDEO SIGNAL7-97-10L6650SCM4 Main 4/4 & CRT Schematic DiagramMAIN 4/4Ref No. Position Ref No. Position Ref No.

FOCUS-VR(UPPER SIDE)SCREEN-VR(LOWER SIDE)VR661+B ADJ+BTP60115kHzTP302VR561PCCVR562WIDTHAGCTP301TP300GNDMain CBA Top ViewBECAUSE A HOT CHASSIS GROUND I

Q571BaseWF8PIN 4OF CN571WF12WF9PIN 1OF CN571PIN 3OF WH501AWF10PIN 7OF IC551WF11Q572CollectorWF7WF1PIN 3OF IC33PIN 8OF TU1WF16WF2PIN 14OF IC333P

WF15Q1511CollectorQ1511BaseWF3 WF14Q1521CollectorQ1521BaseWF4 WF13Q1531CollectorQ1531BaseWF5GNDTP500BLUETP5017-15 BL6650F01011-27-16CRT CBA Top View C

10 V 5 ms1DIV: 0.5V 20µsecIC 33 Pin 3WF1GND1DIV: 0.5V 20µsecIC 333 Pin 14WF21DIV: 0.2V 20msecIC 801 Pin 5WF61DIV: 200V 20µsecCN 571 Pin 1WF9GN

WIRING DIAGRAMCRT CBAFOCUSSCREENGNDD.Y.DY551HDVDMAIN CBABL6650F01011-1WH301ACN150112CN691CLN501CLN301AC6011234512345CN57154321WH301BGNDREDGREENBLUEV50

10-1 L6650PINIC PIN FUNCTIONSIC333 (TV Micro Computer)Pin No.Signal Name Function1GND GND2 N.U. Not Used3 N.U. Not Used4 N.U. Not Used5GND GND6VCC AL+

2-1 L6115IMPIMPORTANT SAFETY PRECAUTIONSPrior to shipment from the factory, our products are strictly inspected for recognized product safety and elec

10-2 L6650PIN70 RCV-IN Input For Remote Control71 N.U. Not Used72 I2C OPENWhite Balance Adjustment Judgement73 AFT AFT Voltage Input74 DG-ON-H Degauss

PB6PB6A3A2A1L1L1B4B4SP801SP802B2B2B5B5B2B1B2A6L2L2L2L2L4L2L2L3L2A5B-8B-7B-6L-1L-1B-9L-1L-1A4L-1Scotch Tape #880MAIN CBACRT CBAAC601V501DY551CLN551L691

FRONTS2S6PACKING TAPES5S4S3S2POP LABELX2X4X3TAPEX1S1Packing11-3 L6250PEX

20030303 12-1 L6650CAMECHANICAL PARTS LISTPRODUCT SAFETY NOTE: Products marked with a# have special characteristics important to safety.Before replaci

20030303 13-1 L6650ELELECTRICAL PARTS LISTPRODUCT SAFETY NOTE: Products marked with a# have special characteristics important to safety.Before replaci

20030303 13-2 L6650ELC325 CERAMIC CAP.(AX) SL J 12pF/50V CCA1JJTSL120C328 ELECTROLYTIC CAP. 10µF/50V M or CE1JMASTL100ELECTROLYTIC CAP. 10µF/50V M CE1

20030303 13-3 L6650ELELECTROLYTIC CAP. 47µF/35V M CE1GMASDL470C578 FILM CAP.(P) 0.01µF/50V J or CMA1JJS00103FILM CAP.(P) 0.01µF/50V J or CA1J103MS029F

20030303 13-4 L6650ELC802 ELECTROLYTIC CAP. 470µF/25V M or CE1EMASTL471ELECTROLYTIC CAP. 470µF/25V M CE1EMASDL471C803 FILM CAP.(P) 0.1µF/50V J or CMA1

20030303 13-5 L6650ELDIODE 1SS176TPA7 1SS176TD611# ZENER DIODE MTZJT-7720B or QDTB00MTZJ20# ZENER DIODE DZ-20BSBT265 NDTB00DZ20BSD613 ZENER DIODE MTZJ

20030303 13-6 L6650ELL301 INDUCTOR 100µH-J-5FT or LLARJCSTU101INDUCTOR 100µH-K LLARKDQKA101L341 PCB JUMPER D0.6-P5.0 JW5.0TL342 PCB JUMPER D0.6-P5.0 J

2-2 L6115IMPing is performed that involves B+, horizontal de-flection or high voltage. Correct operation of the X-radiation protection circuits also m

20030303 13-7 L6650ELTRANSISTOR KTC3199(GR) or NQS10KTC3199TRANSISTOR KTC3198(GR) or NQS40KTC3198TRANSISTOR 2SC3331(T)-AANP or 2SC3331TZTRANSISTOR 2SC

20030303 13-8 L6650ELR103 CARBON RES. 1/4W J 2.2k Ω RCX4JATZ0222R104 CARBON RES. 1/4W J 2.7k Ω RCX4JATZ0272R105 CARBON RES. 1/4W J 4.7k Ω RCX4JATZ0472

20030303 13-9 L6650ELCARBON RES. 1/6W J 470 Ω RCX6JATZ0471R541 CARBON RES. 1/4W J 680 Ω or RCX4JATZ0681CARBON RES. 1/6W J 680 Ω RCX6JATZ0681R542 CARBO

20030303 13-10 L6650ELR683# METAL RESISTOR 2W J 39 Ω or RN02390ZU001# METAL OXIDE FILM RES. 2W J 39 Ω RN02390DP004R686 CARBON RES. 1/4W J 100 Ω or RCX

20030303 13-11 L6650ELCRT CBASW105 TACT SWITCH SKQSAB or SST0101AL038TACT SWITCH KSM0612B or SST0101HH003TACT SWITCH SKHHAM SST0101AL029SW106 TACT SWI

20030303 13-12 L6650ELC1531 CERAMIC CAP.(AX) B K 470pF/50V CCA1JKT0B471C1532 CERAMIC CAP.(AX) B K 0.01µF/50V CA1J103TU011CONNECTORSCN1501 PIN CONNECTO

Printed in Japan2003-03-20 HOSRT2232X L6650UA

2-3 L6115IMPPrecautions during Servicing A. Parts identified by the ( # ) symbol are critical forsafety.Replace only with part number specified. B. In

2-4 L6115IMPSafety Check after ServicingExamine the area surrounding the repaired locationfor damage or deterioration. Observe that screws,parts and w

3-1 L6115STASTANDARD NOTES FOR SERVICINGCircuit Board Indications a. The output pin of the 3 pin Regulator ICs is indicat-ed as shown. b. For other IC

3-2 L6115STAWith Soldering Iron:(1) Using desoldering braid, remove the solder fromall pins of the flat pack-IC. When you use solderflux which is appl