Emerson EWC1302 Manuale di Servizio

SERVICE MANUAL13" COLOR TV/VCR COMBINATIONSec. 1: Main SectionI SpecificationsI Preparation for ServicingI Adjustment ProceduresI Schematic Diagr

1-3-1 SFTY_5STANDARD NOTES FOR SERVICINGCircuit Board Indications1. The output pin of the 3 pin Regulator ICs is indi-cated as shown:2. For other ICs,

1-3-2 SFTY_5Notes:a. Do not attempt to lift the component off the boarduntil the component is completely disconnectedfrom the board by the twisting ac

1-3-3 SFTY_5Fig. S-1-1Fig. S-1-2Hot-airFlat Pack-ICDesolderingMachineCBAMaskingTapeTweezersFlat Pack-ICFig. S-1-3Flat Pack-ICDesoldering BraidSolderin

1-3-4 SFTY_5Instructions for Handling SemiconductorsElectrostatic breakdown of the semiconductors mayoccur due to a potential difference caused by ele

1-4-1 Z11PFSPREPARATION FOR SERVICINGHow to Enter the Service ModeCaution: 11. Optical sensors system are used for Tape Startand End Sensor on this eq

1-5-1 T5300IBNOTE:•We do not recommend the use of universal remote controls. Not all of the functions may be controlled witha universal remote control

1-5-2 T5300IB- REAR VIEW - ANT.27268 REW button– Press to rewind the tape, or to viewthe picture rapidly in reverse during playbackmode. (Rewind Searc

1-6-1 T5300DCCABINET DISASSEMBLY INSTRUCTIONS1. Disassembly FlowchartThis flowchart indicates the disassembly steps for thecabinet parts, and the CBA

1-6-2 T5300DCFig. 1S-1S-1[1] REAR CABINETS-1S-1S-1S-1Fig. 2

1-6-3 T5300DCS-2S-4S-3S-3S-4S-4S-4S-4S-2S-2S-2[2] TRAY CHASSIS[4] MAIN CBA[3] DECK UNITFig. 3

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

1-6-4 T5300DCFig. 4CRT CBAS-5S-5S-5S-5ANODE CAP.[5] CRT

1-6-5 T5300DCCL504ACL501ASCREEN CN501 CN802 CN601 CN571FOCUSCRT CBAAC CORDCL403FE HEADCYLINDER ASSEMBLYAC HEADASSEMBLYCAPSTANMOTORDECK UNITMAIN CBACL4

1-7-1 T5300EAELECTRICAL ADJUSTMENT INSTRUCTIONSGeneral Note: "CBA" is abbreviation for "Circuit Board Assembly."NOTE: Electrical a

1-7-2 T5300EA3. TV AGC AdjustmentPurpose: Set AGC (Auto Gain Control) Level.Symptom of Misadjustment: AGC does not synchro-nize correctly when RF inpu

1-7-3 T5300EA4-3. Y DL Time AdjustmentPurpose: To get minimum leakage of the color signalcarrier.Symptom of Misadjustment: If Y DL Time Adjust-ment is

1-7-4 T5300EA7. H. Shift AdjustmentPurpose: To obtain correct horizontal position andsize of screen image.Symptom of Misadjustment: Horizontal positio

1-7-5 T5300EA9. Sub-Brightness AdjustmentPurpose: To get proper brightness.Symptom of Misadjustment: If Sub-Brightness isincorrect, proper brightness

1-7-6 T5300EAThe following 2 adjustments normally are notattempted in the field. They should be doneonly when replacing the CRT then adjust as aprepar

1-7-7 T5300EA1. Set the unit to the AUX Mode which is locatedbefore CH2 then input a Dot or crosshatch pattern.2. Loosen the Ring Lock and align red w

CONTROLHEADCL402AC HEAD ASSEMBLYMAIN CBAKEY 1RF-SWST-SENS.T-REELKEY 0DV-SYNCC-SYNCC-SYNCV-ENVREMOTECTL(+)RESETROTAD-REC-HD-REC-HREC-SAFETYA-MUTESCLSD

MAIN SECTION13" COLOR TV/VCR COMBINATIONSC313C/6313CC/EWC1302TABLE OF CONTENTSSpecifications. . . . . . . . . . . . . . . . . . . . . . . . . . .

RLLUMINANCESIGNAL PROCESSMAIN CBAVideo Block DiagramVIDEO (L) HEADVIDEO (R) HEAD1-8-3 1-8-4 T5300BLV (DECK ASSEMBLY)V(L)V-COMV(R)CL401321Q401JK701REAR

Audio Block DiagramBLOCK DIAGRAM FOR SECTION 2 (DECK MECHANISM)MAIN CBAPB-AUDIO SIGNAL REC-AUDIO SIGNAL1-8-5JK702A-IN48262753IC301IC401Mode : SP/RECT5

T5300BLC1-8-7 1-8-8X3013.58MHzCL5044.5MHzTRAPCF3024.5MHzBPFCF301SAWFILTERSF001IC301 VIDEO/AUDIO/CHROMA/DEFLECTION/IFTU001IFAGCJ191RF AGC-OUTSDASCLFSC1

PUMP UPAMPTHERMALPROTECTION36715V-DRIVEH-DRIVE810796GREEN AMPBLUE AMPQ501Q502Q503H.DRIVEQ572 Q571T572T5300BLCRTAFCACLCRT/H.V. Block DiagramV-DRIVEH-DR

Power Supply Block Diagram5421161514131211LINEFILTERBRIDGERECTIFIERT601IC601ERRORVOLTAGE DETW601F6014A/125VL601D603 - D606T5300BLPSWITCHINGQ604VR601DE

1-8-13 T5300MTIMECHANICAL TROUBLE INDICATOR1, Each Malfunction IndicationIf the MONITOR is turned ON right after the Mechani-cal Malfunction occurs or

1-8-14 T5300MTIMechanical Malfunction determination1) REEL Malfunction detectionCountermeasure for REEL and CAPSTAN motorrotation malfunction (Except

1-8-15 T5300TR1Check Fuse (F601) is blown out or not. If fuse is blown out, do repair method #1Check whether the primary rectifying DC of the Switchin

1-8-16 T5300TR1Repair method #2Check the primary rectifying diodes (D603-D606) aspossible problems. Remove the above mentionedparts and check them. Pe

1-9-1 SC_1(Top View) (Bottom View)(Bottom View)Electrolytic Capacitor+Transistor or Digital TransistorNPN TransistorPNP TransistorNPN Digital Transist

1-1-1 T5300SPSPECIFICATIONS*ˆMode---------SP mode unless otherwise specified*Test input terminal <Except Tuner>-------------Video input (1Vp-

1-9-2 SC_2LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ONTHE FOLLOWING PAGES:1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE

A1A2A3A4A5B1B2B3B4B5C1C2C3C4C5D1D2D3D4D5E1E2E3E4E5F1F2F3F4F5G1G2G3G4G51-9-31-9-41-9-5T5300SCM1 Main 1/4 Schematic DiagramMAIN 1/4Ref No. PositionIC201

H1H2H3H4I1I2I3I4J1J2J3J4K1K2K3K4L1L2L3L4H5I5J5K5 L5M1M3M4M5N1N2N3N4N5M2PB Audio SignalPB Video SignalREC Audio SignalREC Video Signal1-9-6 1-9-7 1-9-8

O1O2O3O4P1P2P3P4Q1Q2Q3Q4R1R2R3R4S1S2S3S4O5P5Q5R5 S5T1T3T4T5U1U2U3U4U5T2PB Audio SignalPB Video SignalREC Audio SignalREC Video Signal1-9-91-9-101-9-11

V1V2V3V4W1W2W3W4X1X2X3X4Y1Y2Y3Y4Z1Z2Z3Z4V5W5X5Y5 Z5AA5AA4AA3AA2AA1BB5BB4BB3BB2BB1PB Video SignalREC Video Signal1-9-121-9-13 1-9-14 T5300SCM4 Main 4/4

A-OUTJ187WF8V-OUTJ188WF5PB-C-MONIJ189WF6RF-SWJ190WF1RF AGC-OUTJ191CTLJ116WF3+B ADJVR601+BJ192R583(H Adjustment)GNDJ213B-OUTJ2331-9-15 1-9-16 1-9-17 BT

Main CBA Bottom ViewWF11PIN 11OF IC301WF10PIN 20OF IC301PIN 48OF IC301PIN 7OF IC401WF2PIN 61OF IC401WF4PIN 42OF IC401WF17PIN 58OF IC201WF18PIN

Q503CollectorWF16Q502CollectorWF15Q501CollectorWF14CRT CBA Top View1-9-21 1-9-22 BT5300F01012CRT CBA Bottom ViewCRT CBARef No. PositionQ501 B-2Q502 B-

Z11WF1-10-1 1-10-2WAVEFORMSWF2 MAIN 2/4 SCHEMATIC DIAGRAM IC401 PIN 61WF1 MAIN 2/4 SCHEMATIC DIAGRAM J190 RF-SWUpper: WF6 Lower: WF1

FULL ERASE HEADWIRING DIAGRAM FOR SECTION 2 (DECK MECHANISM)WIRING DIAGRAM321HEATERCRT CBABT5300F01012FOCUSSCREENGNDD.Y.HDVDCL403CL501AMAIN CBABT5300F

1-1-2 T5300SP<AUDIO>All items are measured across 8Ω resistor at speaker output terminal.Note: Nominal specifications represent the design speci

1-12-1 T5300TISYSTEM CONTROL TIMING CHARTSChart 11. EJECT (POWER OFF) -> CASSETTE IN (POWER ON) -> STOP(B) -> STOP(A) -> PLAY -> RS -&g

1-12-2 T5300TIChart 2ST-S,/END-S "ON"RECREWFFSTOP/EJECT1.0S0.5S0.2S0.5S0.2S0.5S0.5S0.5S0.2S0.2S0.2S1.5S2.5S Short REV 1.0S0.2SLD-FWDLD-FWDST

1-13-1 Z11PINIC PIN FUNCTION DESCRIPTIONSIC 201 (TV/VCR Micro Computer)“H” ≥ 4.5V, “L” ≤ 1.0VPin No.IN/OUTSignalNameFunction1 IN LD-SW Loading Switch

1-13-2 Z11PIN62 OUT OSD-B Blue Output63 OUT OSD-G Green Output64 OUT OSD-R Red Output65 OUT A-MUTE Audio Mute Output66 OUT C-F/RCapstan Motor FWD/REV

1-14-1 T5300LELEAD IDENTIFICATIONSS: SouceD: DrainG: GateS D G2SC1627Y-TPE22SA950(Y,O)KTA12712SC2482 TPE62SC3468(E,D)-AEKTC32072SA1175(F)KTA1267(GR)

DECK MECHANISM SECTION13" COLOR TV/VCR COMBINATIONSC313C/6313CC/EWC1302TABLE OF CONTENTSStandard Maintenance. . . . . . . . . . . . . . . . . . .

2-1-1 U25MENSTANDARD MAINTENANCEService Schedule of ComponentsNotes:1.Clean all parts for the tape transport (Upper Drum with Video Head / Pinch Rolle

2-1-2 U25MENCleaningCleaning of Video Head Clean the head with a head cleaning stick or chamoiscloth.Procedure1.Remove the top cabinet. 2.Put on a gl

2-2-1 U25NFIXJ-1-1, J-1-2J-2J-3J-5J-4SERVICE FIXTURE AND TOOLSRef. No. Name Part No. AdjustmentJ-1-1 Alignment Tape FL8A Head Adjustment of Audio Cont

2-3-1 Z11MAMECHANICAL ALIGNMENT PROCEDURESExplanation of alignment for the tape to correctly runstarts on the next page. Refer to the information belo

1-2-1 SFTY_2IMPORTANT SAFETY PRECAUTIONSPrior to shipment from the factory, our products are strictly inspected for recognized product safety and elec

2-3-2 Z11MAAdjust the X Value for maximum envelope.(pg. 2-3-3) (Use Alignment Tape.)Check to see that the tape is not creasingand that there is no sla

2-3-3 Z11MA1-A. Preliminary/Final Checking and Alignment of Tape PathPurpose:To make sure that the tape path is well stabilized.Symptom of Mis

2-3-4 Z11MA6. Press CH DOWN button on the unit until the CTLwaveform has shifted from its original position (notthe position achieved in step 5, but t

2-4-1 U25NDADISASSEMBLY/ASSEMBLY PROCEDURESOF DECK MECHANISMBefore following the procedures described below, be sure to remove the deck assembly from

2-4-2 U25NDA(1): Follow steps in sequence. When reassembling, follow the steps in reverse order.These numbers are also used as ldentification (locatio

2-4-3 U25NDA[14][13][11][10][12][7] [46] [8][29][40] [38] [37] [39][42][41] [43][9][33][15][35][36][34]Fig. DM1Top ViewFig. DM2Bottom View[31][19][32]

2-4-4 U25NDA[1](S-1)(S-1)Fig. DM3[2]Pin ASlots BPin CPin BPin DLocking tabView for APull upSlideSlot ASlot AFirst, while pushing the locking tab as sh

2-4-5 U25NDAPin of [12]Pin of [10]Grooves of [28][28]When reassembling [10] and [12], confirm that pin of [10] and pin of [12] are in the grooves of [

2-4-6 U25NDA[19](S-11)Cap BeltFig. DM11[20](C-1)A[21]Portions APortions AView for APortions A on [21] must be set in the slot on [20] as shown. Fig. D

2-4-7 U25NDA[24](C-5)(S-12)[25][27][26][28](C-4)(L-4)When reassembling [28],meet the first groove on [28] to the first tooth on [44] as shown.[28]Top

1-2-2 SFTY_2ing is performed that involves B+, horizontal de-flection or high voltage. Correct operation of theX-radiation protection circuits also mu

2-4-8 U25NDA[32][30][29](L-5)(P-5)[31]Refer to the Alignment Section, Page 2-4-9.Fig. DM15(L-6)(P-7)(P-6)(C-6)[34][40][37][35][39][33][36]turnturnturn

2-4-9 U25NAPMALIGNMENT PROCEDURES OF MECHANISMThe following procedures describe how to align theindividual gears and levers that make up the tapeloadi

2-4-10 U25NAPMAlignment 3Cam Gear (A), Rack AssemblyInstall the Rack Assembly so that the first tooth onthe gear of the Rack Assembly meets the firstg

EXPLODED VIEWS ANDPARTS LIST SECTION13" COLOR TV/VCR COMBINATIONSC313C/6313CC/EWC1302TABLE OF CONTENTSCabinet Exploded Views . . . . . . . . . .

EXPLODED VIEWSCabinet3-1-1 3-1-2 T5300CEXV501-1L551Details for L551 and surrounding partsSHINWHA TAPE SGT-730(WHITE)SHINWHA TAPE SGT-730(BLACK)V501-3V

PackingFRONTX-4X-3X-2X-7TAPEX-1S-1X-5S-4S-6S-2S-3S-3S-23-1-3 T5300PEX

3-1-4 U25NDEXDECK EXPLODED VIEWSDeck Mechanism View 1Some Ref. Numbers are not in sequence.Mark DescriptionPart No.SLIDUS OIL #1500VZZ00226B2B35B553B4

3-1-5 U25NDEXDeck Mechanism View 2Some Ref. Numbers are not in sequence.Mark DescriptionPart No.Floil G-374G0VZZ00109(Blue grease)Bottom Side(Grease p

3-1-6 U25NDEXDeck Mechanism View 3Some Ref. Numbers are not in sequence.Mark DescriptionPart No.Floil G-374G0VZZ00109(Blue grease)B359B529B360B303B514

20020117 3-2-1 T5300CAMECHANICAL PARTS LISTPRODUCT SAFETY NOTE: Products marked with a# have special characteristics important to safety.Before replac

1-2-3 SFTY_2Precautions during Servicing A. Parts identified by the ( # ) symbol are critical forsafety.Replace only with part number specified. B. In

20020117 3-2-2 T5300CATable 1 (V501 and L551 Combination)Note 1: Purity and Convergence Adjustments must beperformed following CRT replacement. Refer

20020117 3-3-1 T5300ELELECTRICAL PARTS LISTPRODUCT SAFETY NOTE: Products marked with a# have special characteristics important to safety.Before replac

20020117 3-3-2 T5300ELC323 ELECTROLYTIC CAP. 470µF/10V M or CE1AMASDL471ELECTROLYTIC CAP. 470µF/10V M CE1AMASTL471C325 ELECTROLYTIC CAP. 2.2µF/50V M L

20020117 3-3-3 T5300ELC615 CERAMIC CAP. BN 680pF/2KV or CCD3DKA0B681CERAMIC CAP. LB 680pF/2K or CA3D681KG004CERAMIC CAP. 680pF/2KV CA3D681PAN04C616# E

20020117 3-3-4 T5300ELSWITCHING DIODE 1N4148 NDTZ001N4148D313 SWITCHING DIODE 1SS133(T-77) or QDTZ001SS133SWITCHING DIODE 1N4148 NDTZ001N4148D314 ZENE

20020117 3-3-5 T5300ELIC601# PHOTOCOUPLER LTV-817B-F or NPEB0LTV817F# PHOTOCOUPLER LTV-817C-F or NPEC0LTV817F# PHOTO COUPLER PC817X6 QPE600PC817XIC602

20020117 3-3-6 T5300ELTRANSISTOR 2SC3331(U) or QSC3331UNPAATRANSISTOR 2SC1815-GR(TPE2) QQS102SC1815Q874 TRANSISTOR 2SC3331(T) or QSC3331TNPAATRANSISTO

20020117 3-3-7 T5300ELCARBON RES. 1/6W J 180k Ω RCX6JATZ0184R322 CHIP RES.(1608) 1/10W J 15k Ω RRXAJB5Z0153R323 CHIP RES.(1608) 1/10W J 6.8k Ω RRXAJB5

20020117 3-3-8 T5300EL# CARBON RES. 1/6W J 2.2 Ω RCX6JATZ02R2R617 CARBON RES. 1/4W J 180 Ω or RCX4JATZ0181CARBON RES. 1/6W J 180 Ω RCX6JATZ0181R618 CA

20020117 3-3-9 T5300ELCRT CBATACT SWITCH KSM0612B SST0101HH003SW205 TACT SWITCH SKQSAB or SST0101AL038TACT SWITCH SKHHAM or SST0101AL029TACT SWITCH KS

1-2-4 SFTY_2Safety Check after ServicingExamine the area surrounding the repaired locationfor damage or deterioration. Observe that screws,parts and w

20020117 3-3-10 T5300ELSENSOR CBATRANSISTOR KTC3207 NQSZ0KTC3207RESISTORSR501# METAL OXIDE FILM RES. 1W J 15k Ω or RN01153ZU001# METAL OXIDE FILM RES.

20020117 3-4-1 T5300DPLDECK PARTS LISTRef. No.Description Part No.B2 CYLINDER ASSEMBLY MK11 NTSC 2HD SQPB N1428CYLB3 LOADING MOTOR ASSEMBLY MK11 0VSA1

Printed in Japan2002-01-31 HOSC313C/6313CC/EWC1302 T5300UA/2UC/3UD