Emerson EWT19S2- Manuals

Emerson EWT19S2– User Manual, Manual in PDF format online.

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User Manual
Manual

User Manual Emerson EWT19S2

Summary

Page 2 - IMPORTANT SAFETY NOTICE; TABLE OF CONTENTS

IMPORTANT SAFETY NOTICE Proper service and repair is important to the safe, reliable operation of allFunai Equipment. The service procedures recommended by Funai and de-scribed in this service manual are effective methods of performing serviceoperations. Some of these service special tools should be...

Page 3 - SPECIFICATIONS

1-1 L6115SP SPECIFICATIONS <TUNER> ANT. Input ------------------ 75ohm Unbal., F typeReference Level ----------- 20Vp-p (CRT Green Cathode)Test Input Signal ---------- 400Hz 30% modulation <DEFLECTION> <VIDEO & CHROMA> <AUDIO> All items are measured across 8 Ω load at spe...

Page 4 - IMPORTANT SAFETY PRECAUTIONS; Safety Precautions for TV Circuit

2-1 L6115IMP IMPORTANT SAFETY PRECAUTIONS Prior to shipment from the factory, our products are strictly inspected for recognized product safety and electricalcodes of the countries in which they are to be sold. However, in order to maintain such compliance, it is equallyimportant to implement the fo...

Page 6 - Precautions during Servicing

2-3 L6115IMP Precautions during Servicing A. Parts identified by the ( # ) symbol are critical for safety.Replace only with part number specified. B. In addition to safety, other parts and assembliesare specified for conformance with regulations ap-plying to spurious radiation. These must also berep...

Page 7 - Safety Check after Servicing; Clearance Distance

2-4 L6115IMP Safety Check after Servicing Examine the area surrounding the repaired locationfor damage or deterioration. Observe that screws,parts and wires have been returned to original posi-tions. Afterwards, perform the following tests and con-firm the specified values in order to verify complia...

Page 8 - STANDARD NOTES FOR SERVICING; Circuit Board Indications

3-1 L6115STA STANDARD NOTES FOR SERVICING Circuit Board Indications a. The output pin of the 3 pin Regulator ICs is indicat- ed as shown. b. For other ICs, pin 1 and every fifth pin are indicat- ed as shown. c. The 1st pin of every male connector is indicated as shown. How to Remove / Install Flat P...

Page 10 - Ground for Human Body; Ground for Workbench

3-3 L6115STA 2. Installation (1) Using desoldering braid, remove the solder from the foil of each pin of the flat pack-IC on the CBAso you can install a replacement flat pack-IC moreeasily. (2) The " I " mark on the flat pack-IC indicates pin 1. (See Fig. S-1-7.) Be sure this mark matches th...

Page 11 - CABINET DISASSEMBLY INSTRUCTIONS; Disassembly Flowchart; Reference Notes in the Table

4-1 L6118DC CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart This flowchart indicates the disassembly steps for thecabinet parts, and the CBA in order to gain access toitem(s) to be serviced. When reassembling, follow thesteps in reverse order. Bend, route and dress thecables as they were. ...

Page 13 - TV Cable Wiring Diagram

4-3 L6118DC TV Cable Wiring Diagram CN691 ANODE CN801 CN802 CLN801 SP801 L691 DEGAUSSING COIL MAIN CBA FLYBACK TRANSFORMER T571 AC601AC CORD TU1TUNER WH501B Fig. 5 JK501 WH301B FOCUS SCREEN WH501A WH301A TO CRT GROUND CN571 CN501 CLN802 SP802

Page 14 - ELECTRICAL ADJUSTMENT INSTRUCTIONS; Test Equipment Required

5-1 L6118EA ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: "CBA" is abbreviation for "Circuit Board Assem-bly." NOTE: Electrical adjustments are required after replacingcircuit components and certain mechanical parts.It is important to perform these adjustments onlyafter all repair...

Page 15 - Data Values

5-2 L6118EA 3-1. Setting for 7F and FRENCH Data Values General 1. Enter the Service mode. (See page 5-1) 2. Press "VOL p " button on the Service remote con- trol unit. Display changes "C/D," "VCO," "7F,""FRENCH," "ACCESS CODE," "STEREO," "V...

Page 19 - White Balance Adjustment

5-6 L6118EA 12. Cut-off Adjustment Purpose: To adjust the beam current of R, G, B, and screen voltage. Symptom of Misadjustment: White color may be reddish, greenish or bluish. Note: Screen Control FBT --- Main CBAF.B.T= Fly Back TransformerUse Service remote control unit 1. Degauss the CRT and allo...

Page 20 - Purity Adjustment

5-7 L6118EA 14. Sub-Brightness Adjustment Purpose: To get proper brightness. Symptom of Misadjustment: If Sub-Brightness is incorrect, proper brightness cannot be obtained byadjusting the Brightness Control. Note: IQW Setup level --- 7.5 IREUse Service remote control unit 1. Enter the Service mode. ...

Page 21 - Convergence Adjustment

5-8 L6118EA 17. Convergence Adjustment Purpose: To obtain proper convergence of red, green and blue beams. Symptom of Misadjustment: If Convergence Adjust- ment is incorrect, the edge of white letters may havecolor edges. 1. Loosen the Ring Lock and align red with blue dots or Crosshatch at the cent...

Page 22 - BLOCK DIAGRAMS

L6118BLIF BLOCK DIAGRAMS 6-1 6-2 34 6 5 19 20 43 24 21 22 23 27 63 64 59 26 X3443.58MHz WH301A TO WH301B FBPH-DRIVEACL/ABL 4.5MHzBPF CF302 SAWFILTER KEYSWITCH SF1 IC333 VIDEO/AUDIO/CHROMA/DEFLECTION/IF 14 33 15 16 1011 31 18 38 41 58 TU1 IF AGC TP301 AGC SDA SCL EXT.CLK 1 11 548 TP300 GND IC111 TV M...

Page 23 - Audio/Power Control Block Diagram

Audio/Power Control Block Diagram MAIN CBA AUDIO SIGNAL 6-3 6-4 LIMITER FM DET AF AMP IC802 IC333 (R-CH AUDIO AMP) Q825 Q411 JK801 HEADPHONE JACK NOTE FOR WIRE CONNECTORS: 1. PREFIX SYMBOL "CN" MEANS CONNECTOR. (CAN DISCONNECT AND RECONNECT.) 2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER H...

Page 25 - Power Supply Block Diagram

4A/125V F601 4A/125V LINEFILTER L601 AC601 AC CORD DEGAUSSINGCOIL DG691 CN691 PS691 BRIDGERECTIFIER D605 - D608 HOT COLD T601 2 1 11 9 10 7 4 3 1 2 IC601 ERRORVOLTAGE DET Q601 Q602 LIMITER SWITCHING Q662 FEEDBACK VR661 +BADJ Q676 SWITCHINGCONTROL Q675 SWITCHINGP-ON-ON SWITCHING Q671 Q683 Q682 Q681 +...

Page 26 - SCHEMATIC DIAGRAMS / CBA'S AND TEST POINTS; Standard Notes; Tolerance of Capacitors are noted with the following:

7-1 L6115SC SCHEMATIC DIAGRAMS / CBA'S AND TEST POINTS Standard Notes Many electrical and mechanical parts in this chassis have special characteristics. These characteristics oftenpass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement compo-nents rated...

Page 28 - Main 1/3 Schematic Diagram

A1 A2 A3 A4 A5 B1 B2 B3 B4 B5 C1 C2 C3 C4 C5 D1 D2 D3 D4 D5 E1 E2 E3 E4 E5 F1 F2 F3 F4 F5 G1 G2 G3 G4 G5 IF SIGNAL VIDEO SIGNAL AUDIO SIGNAL 7-3 L6118SCM1 Main 1/3 Schematic Diagram 7-4 7-5 MAIN 1/3 Ref No. Position IC111 E-5 IC151 D-3 IC333 B-3 IC401 E-1 Q121 E-3 Q351 B-5 Q377 A-4 Q411 F-1 Q441 E-2...

Page 30 - AUDIO SIGNAL; Main 3/3 Schematic Diagram

O3 O2 O1 P3 P2 P1 Q3 Q2 Q1 R3 R2 R1 AUDIO SIGNAL Main 3/3 Schematic Diagram L6118SCM3 MAIN 3/3 Ref No. Position IC801 P-3 IC802 Q-3 Q825 P-1 Q831 R-2 Q832 R-2 Q833 Q-1 CN801 O-2 CN802 O-1 CONNECTOR ICS TRANSISTORS 7-9 7-10

Page 31 - CRT CBA Top View

Q501Base WF3 Q501Collector WF15 Q503Base WF5 Q503Collector WF13 Q502Base WF4 Q502Collector WF14 TP501 GND TP1502 BLUE 7-11 BL6118F01011-2 7-12 CRT CBA Top View CRT CBA Bottom View CRT CBA Ref No. Position Q501 B-2 Q502 B-2 Q503 C-2 TP501 B-3 TP502 A-2 CN501 A-2 WH301B B-1 WH501B B-1 TRANSISTORS TEST...

Page 32 - Main CBA Top View

+ B TP601 FOCUS-VR(UPPER SIDE) SCREEN-VR(LOWER SIDE) +B ADJ VR661 TP301 AGC GND TP300 7-13 7-14 7-15 BL6118F01011-1 Main CBA Top View CAUTION !Fixed voltage power supply circuit is used in this unit.If Main Fuse (F601) is blown, check to see that all components in the power supplycircuit are not def...

Page 33 - Main CBA Bottom View

Q571Base WF8 PIN 1OF CN571 WF9 PIN 4OF CN571 WF12 PIN 3OF WH501A WF10 PIN 54OF IC333 WF56 PIN 41OF IC333 WF1 PIN 31OF IC333 WF2 Q572Collector WF7 PIN 7OF IC551 WF11 7-16 7-17 7-18 Main CBA Bottom View CAUTION !Fixed voltage power supply circuit is used in this unit.If Main Fuse (F601) is blown, chec...

Page 34 - WAVEFORMS

10 V 5 ms 1DIV: 0.5V 20 µ sec IC 333 Pin 41 WF1 GND 1DIV: 0.5V 20 µ sec IC 333 Pin 31 WF2 1DIV: 0.1V 0.2msec Q377 Emitter WF6 1DIV: 200V 20 µ sec CN 571 Pin 1 WF9 GND 1DIV: 5V 20 µ sec WH501A Pin 3 WF10 GND 1DIV: 2V 5msec IC 551 Pin 7 WF11 1DIV: 10V 5msec CN 571 Pin 4 WF12 1DIV: 20V 20 µ sec Q 502 C...

Page 35 - WIRING DIAGRAM

WIRING DIAGRAM CRT CBABL6118F01011-2 FOCUS SCREEN GND D.Y. DY551 HD VD MAIN CBABL6118F01011-1 WH301A CN501 12 CN691 CLN551 CLN501 CLN301 CLN801 AC601 5 4 3 2 1 12 345 CN571 12345 WH301B GNDRED GREEN BLUE V501 CRT ANODE L-CH R-CH 12 SP801SPEAKER CN801 CLN802 12 SP802SPEAKER CN802 9-1 L6118WI T571 FBT...

Page 36 - IC PIN FUNCTIONS

10-1 L6118PIN IC PIN FUNCTIONS IC111(TV Micro Computer) Pin No. Signal Name Function 1 N.U. Not Used 2 VOLUME Volume PWM Output 3 EXT-H Ext-H 4 N.U. Not Used 5 KEY-IN 1 Key Input 1 (Main) 6 PROTECT-2 Power Supply Protection 7 PROTECT-1 Power Supply Protection 8 KEY-IN 2 Key Input 2 (Main) 9 RCV-IN I...

Page 37 - EXPLODED VIEWS; Cabinet

B-2 B-2 B-11 B-11 B-2 B-2 B-5 B-5 B-1 L-8 L-8 L-8 L-9 L-8 L-8 A-4 A-2 V501-1 DY551 Details for DY551 and surrounding parts SHINWHA TAPE SGT-730(WHITE) SHINWHA TAPE SGT-730(BLACK) V501-2 SCOTCH TAPE #880 SCOTCH TAPE #880 SCOTCH TAPE #880 V501 CRT CBA ANODE CAPPart of Flyback Transformer DG691 DY551 C...

Page 38 - Packing

Packing X-5 TAPE X-2 X-1 X-3 S-4 S-5 PACKING TAPE FRONT S-2 Some Ref. Numbers are not in sequence. S-3 S-3 S-1 S-6 S-2 X-9 11-3 L6115PEX

Page 39 - MECHANICAL PARTS LIST

20020426 12-1 L6118CA MECHANICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read care-fully the product safety notice in this service manual.Don't degrade the safety of the product throughimprop...

Page 40 - CRT Warning Label Location

20020426 12-2 L6118CA Table 1 (V501 and DY551 Combination) Note 1: Purity and Convergence Adjustments must be performed following CRT replacement. Refer to Electri-cal Adjustment Instructions. Note 2: Please confirm CRT Type No. on the CRT Warning Label which is located on the CRT. Then Seethe Table...

Page 41 - ELECTRICAL PARTS LIST; MMA CBA

20020426 13-1 L6118EL ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read care-fully the product safety notice in this service manual.Don't degrade the safety of the product throughimprop...