Magnavox MWC24T5 How to read converged lines, Test Point Information, Area D3, Area B1

Page 40

LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES:

1.CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE_A,_V FUSE.

ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE MÊME TYPE DE_A,_V.

2.CAUTION:

Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit.

If Main Fuse (F1601) is blown, first check to see that all components in the power supply circuit are not defec- tive before you connect the AC plug to the AC power supply. Otherwise it may cause some components in the power supply circuit to fail.

3. Note:

1.Do not use the part number shown on the drawings for ordering. The correct part number is shown in the parts list, and may be slightly different or amended since the drawings were prepared.

2.To maintain original function and reliability of repaired units, use only original replacement parts which are listed with their part numbers in the parts list section of the service manual.

4.Mode: SP/REC

5.Voltage indications for PLAY and REC modes on the schematics are as shown below:

 

< DVD Section >

 

< TV/VCR Section >

Unit: Volts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PLAY mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

2

 

3

 

 

 

 

1

 

2

 

3

 

 

PLAY mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.0

 

 

 

 

5.0

 

STOP mode

 

 

5.0

 

 

 

 

 

5.0

 

REC mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2.5)

 

The same voltage for

 

 

(2.5)

DVD mode

The same voltage for

 

 

Indicates that the voltage

 

 

< 0 >

 

both PLAY & STOP modes

PLAY, REC & DVD

 

 

Indicates that the voltage

 

 

 

 

 

 

 

is not consistent here.

modes

 

 

is not consistent here.

6. How to read converged lines

 

 

 

 

1-D3

 

 

 

 

Distinction Area

3

AREA D3

1-B1

Line Number

 

 

(1 to 3 digits)

2

 

AREA B1

Examples:

 

 

 

 

 

1. "1-D3" means that line number "1" goes to the line number

1

1-D3

 

"1" of the area "D3".

 

 

 

 

2. "1-B1" means that line number "1" goes to the line number

A

B

C

D

"1" of the area "B1".

 

 

 

 

7. Test Point Information

 

 

 

 

: Indicates a test point with a jumper wire across a hole in the PCB.

 

 

: Used to indicate a test point with a component lead on foil side.

 

 

 

: Used to indicate a test point with no test pin.

 

 

 

 

: Used to indicate a test point with a test pin.

1-11-2

X7TN_SC

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Contents Illustration at right Main SectionSuffix B Rating LabelImportant Safety Notice Main Section Specifications DVDDescription Condition Unit Nominal Limit PTD 1-NOR TIT.1 CHP.1Hi-Fi Audio VCRAmsp Pmsp Laser Beam Safety Precautions Location Top of DVD mechanismThis DVD player uses a pickup that emits a laser beam E7NLSPImportant Safety Precautions Safety Precautions for TV CircuitReading should Test ALL ExposedTvdvdnisp Precautions during Servicing Safety Check after Servicing Measuring Method Power onClearance Distance Leakage Current TestInstructions for Connectors How to Remove / Install Flat Pack-ICStandard Notes for Servicing Circuit Board IndicationsMasking Flat Pack-IC Tape Tweezers MachineWith Soldering Iron Installation With Iron WirePin 1 of the Flat Pack-IC Is indicated by a mark PresolderInstructions for Handling Semi- conductors Ground for Human BodyGround for Workbench IncorrectHow to Enter the Service Mode How to Enter the Service ModePreparation for Servicing PreparingCabinet Disassembly Instructions Disassembly FlowchartDisassembly Method RemovalReference Notes in the Table Fig. D1Tray Chassis Unit CRT CBA Anode CapDVD Mechanism DVD Main CBA Unit Electrical Adjustment Instructions How to make service remote control unitDC 120V +B Adjustment Test Equipment RequiredGeneral F0 AdjustmentR2583 CH. o / p buttons Video Size Adjustment Cut-off AdjustmentPincushion Adjustment Sub-Brightness Adjustment White Balance AdjustmentSmpte Focus Adjustment 10. H. Position Adjustment11. V. Shift Adjustment 12. V. Size AdjustmentPurity Adjustment Head Switching Position AdjustmentGreen RED Blue Convergence Adjustment Magnet RB Magnet RB-GDVD Section HOW to Initialize the TV/DVD/VCRTV/VCR Section Appearance shown in *1 of Fig. b is described as follows Firmware Renewal ModeAppearance State 10-1 T2202BLS Main CBA10-2 Video Block DiagramT2202BLV 10-3 Audio Block DiagramT2202BLA 10-4 DiagramT2202BLH TV Process Block Diagram 10-5 T2202BLT10-6 CRT/H.V. Block DiagramT2202BLCRT Power Supply Block Diagram IC160110-8 T2202BLSDDigital Signal Process Block Diagram 10-9 T2202BLDStandard Notes Schematic Diagrams / CBA’S and Test PointsX7TNSC How to read converged lines Test Point InformationArea D3 Area B1Main 1/6 & Sensor Schematic Diagram TV/VCR Section T2202SCM1Main 2/6 Schematic Diagram TV/VCR Section T2202SCM2Main 3/6 Schematic Diagram TV/VCR Section T2202SCM3Main 4/6 Schematic Diagram TV/VCR Section T2202SCM4Main 5/6 & Junction-A Schematic Diagram TV/VCR Section T2202SCM5Main 6/6 Schematic Diagram TV/VCR Section T2202SCM6Sub 1/2 Schematic Diagram TV/VCR Section T2202SCSUB111-10 Sub 2/2 Schematic Diagram TV/VCR SectionT2202SCSUB2 CRT Schematic Diagram TV/VCR Section Function & Junction-B Schematic Diagram TV/VCR SectionT2202SCCRT T2202SCF 11-11DVD Main 1/3 Schematic Diagram DVD Section 11-12 T2202SCD1DVD Main 2/3 Schematic Diagram DVD Section 11-13 T2202SCD2DVD Main 3/3 Schematic Diagram DVD Section 11-14 T2202SCD3Main CBA Top View TV/VCR Section BHF300F01011ABHF300F01011B 11-15 BT1200F01013Main CBA Bottom View TV/VCR Section 11-16 BT1200F01013Sub CBA Top View TV/VCR Section 11-17 BT1200F01023-ASub CBA Bottom View TV/VCR Section 11-18 BT1200F01023-A11-19 BT1200F01023-B BT1200F01023-D BT1200F01023-E BT1200F01023-C 11-2012-1 WaveformsX7TWF 13-1 T2202WITWiring 13-2 T2202WIDSystem Control Timing Charts Mode SW LD-SWSymbol Symbol Loading StatusChart 14-214-3 14-4 STILL/SLOW- Play14-5 Tray Close ~ Play / Play ~ Tray Open ≥ 4.5 V, L ≤ 1.0 Pin Signal Function Pin Signal FunctionIC PIN Function Descriptions IC1201 TV/VCR Micro Controller ICPB-H OUT YCA-SDAOUT YCA-CS OUT YCA-SCLLead Identifications 16-1 T2202LEExploded Views CabinetDVD Mechanical Parts 17-1 T2202CEXPacking 17-2 T2203PEXMechanical Parts List V501 and L551 CombinationCRT Warning Label Location CRT Type No. CRT Warning LabelElectrical Parts List 20060325 19-1 T2202EL20060325 19-2 T2202EL CCD3DKA0B82120060325 19-3 T2202EL ICS20060325 19-4 T2202EL Switches 20060325 19-5 T2202EL20060325 19-6 T2202EL WT1 Lead Clamper20060325 19-7 T2202EL CRT CBA 20060325 19-8 T2202ELMWC24T5 T2202UC
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