Magnavox MWC24T5 service manual Main CBA Top View TV/VCR Section, BHF300F01011A, BHF300F01011B

Page 53

Main CBA Top View < TV/VCR Section >

 

 

 

 

 

 

 

 

CAUTION ! : For continued protection against risk of fire,

NOTE:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

replace only with same type 4 A, 125V fuse.

 

 

 

 

Because a hot chassis ground is present in the power

 

 

 

 

 

 

 

The voltage for parts in hot circuit is measured using

4A 125V

ATTENTION : Utiliser un fusible de rechange de même type de 4A, 125V.

hot GND as a common terminal.

 

 

 

 

supply circuit, an isolation transformer must be used.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION !

 

 

Sensor CBA Top View

Also, in order to have the ability to increase the input

 

 

 

 

 

 

 

 

 

 

slowly,when troubleshooting this type power supply

 

 

 

 

 

 

 

 

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

 

 

 

 

circuit, a variable isolation transformer is required.

 

 

 

 

 

 

 

TO SENSOR CBA

If Main Fuse (F1601) is blown , check to see that all components in the power supply

 

 

 

 

 

 

 

 

 

 

 

 

circuit are not defective before you connect the AC plug to the AC power supply.

 

 

 

 

 

 

 

 

 

 

 

 

(END-SENSOR)

 

BHF300F01011A

 

 

 

 

 

 

 

 

Otherwise it may cause some components in the power supply circuit to fail.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BHF300F01011B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WF9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TP1305

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H-OUT

 

VR1601

+B ADJ

WF6

TP1403

ENV.

WF5

TP1401

V-OUT

WF1

TP1402

RF-SW

WF3

TP1202

CTL-AMP-OUT

TO SENSOR CBA (START-SENSOR)

1-11-15

BT1200F01013

Image 53
Contents Main Section Illustration at rightSuffix B Rating LabelImportant Safety Notice Main Section DVD SpecificationsDescription Condition Unit Nominal Limit PTD 1-NOR TIT.1 CHP.1Amsp Pmsp VCRHi-Fi Audio Location Top of DVD mechanism Laser Beam Safety PrecautionsThis DVD player uses a pickup that emits a laser beam E7NLSPSafety Precautions for TV Circuit Important Safety PrecautionsReading should Test ALL ExposedTvdvdnisp Precautions during Servicing Measuring Method Power on Safety Check after ServicingClearance Distance Leakage Current TestHow to Remove / Install Flat Pack-IC Instructions for ConnectorsStandard Notes for Servicing Circuit Board IndicationsWith Soldering Iron MachineMasking Flat Pack-IC Tape Tweezers With Iron Wire InstallationPin 1 of the Flat Pack-IC Is indicated by a mark PresolderGround for Human Body Instructions for Handling Semi- conductorsGround for Workbench IncorrectHow to Enter the Service Mode How to Enter the Service ModePreparation for Servicing PreparingDisassembly Flowchart Cabinet Disassembly InstructionsDisassembly Method RemovalFig. D1 Reference Notes in the TableTray Chassis Unit DVD Mechanism Anode CapCRT CBA DVD Main CBA Unit How to make service remote control unit Electrical Adjustment InstructionsDC 120V +B Adjustment Test Equipment RequiredR2583 CH. o / p buttons Video F0 AdjustmentGeneral Pincushion Adjustment Cut-off AdjustmentSize Adjustment Smpte White Balance AdjustmentSub-Brightness Adjustment 10. H. Position Adjustment Focus Adjustment11. V. Shift Adjustment 12. V. Size AdjustmentGreen RED Blue Head Switching Position AdjustmentPurity Adjustment Magnet RB Magnet RB-G Convergence AdjustmentTV/VCR Section HOW to Initialize the TV/DVD/VCRDVD Section Appearance State Firmware Renewal ModeAppearance shown in *1 of Fig. b is described as follows Main CBA 10-1 T2202BLST2202BLV Video Block Diagram10-2 T2202BLA Audio Block Diagram10-3 T2202BLH Diagram10-4 10-5 T2202BLT TV Process Block DiagramT2202BLCRT CRT/H.V. Block Diagram10-6 IC1601 Power Supply Block DiagramT2202BLSD 10-810-9 T2202BLD Digital Signal Process Block DiagramX7TNSC Schematic Diagrams / CBA’S and Test PointsStandard Notes Test Point Information How to read converged linesArea D3 Area B1T2202SCM1 Main 1/6 & Sensor Schematic Diagram TV/VCR SectionT2202SCM2 Main 2/6 Schematic Diagram TV/VCR SectionT2202SCM3 Main 3/6 Schematic Diagram TV/VCR SectionT2202SCM4 Main 4/6 Schematic Diagram TV/VCR SectionT2202SCM5 Main 5/6 & Junction-A Schematic Diagram TV/VCR SectionT2202SCM6 Main 6/6 Schematic Diagram TV/VCR SectionT2202SCSUB1 Sub 1/2 Schematic Diagram TV/VCR SectionT2202SCSUB2 Sub 2/2 Schematic Diagram TV/VCR Section11-10 Function & Junction-B Schematic Diagram TV/VCR Section CRT Schematic Diagram TV/VCR SectionT2202SCCRT T2202SCF 11-1111-12 T2202SCD1 DVD Main 1/3 Schematic Diagram DVD Section11-13 T2202SCD2 DVD Main 2/3 Schematic Diagram DVD Section11-14 T2202SCD3 DVD Main 3/3 Schematic Diagram DVD SectionBHF300F01011A Main CBA Top View TV/VCR SectionBHF300F01011B 11-15 BT1200F0101311-16 BT1200F01013 Main CBA Bottom View TV/VCR Section11-17 BT1200F01023-A Sub CBA Top View TV/VCR Section11-18 BT1200F01023-A Sub CBA Bottom View TV/VCR Section11-19 BT1200F01023-B BT1200F01023-E BT1200F01023-C 11-20 BT1200F01023-DX7TWF Waveforms12-1 T2202WIT 13-113-2 T2202WID WiringMode SW LD-SW System Control Timing ChartsSymbol Symbol Loading Status14-2 Chart14-3 STILL/SLOW- Play 14-414-5 Tray Close ~ Play / Play ~ Tray Open Pin Signal Function ≥ 4.5 V, L ≤ 1.0 Pin Signal FunctionIC PIN Function Descriptions IC1201 TV/VCR Micro Controller ICOUT YCA-SDA PB-HOUT YCA-CS OUT YCA-SCL16-1 T2202LE Lead IdentificationsCabinet Exploded ViewsDVD Mechanical Parts 17-1 T2202CEX17-2 T2203PEX PackingV501 and L551 Combination Mechanical Parts ListCRT Warning Label Location CRT Type No. CRT Warning Label20060325 19-1 T2202EL Electrical Parts ListCCD3DKA0B821 20060325 19-2 T2202ELICS 20060325 19-3 T2202EL20060325 19-4 T2202EL 20060325 19-5 T2202EL SwitchesWT1 Lead Clamper 20060325 19-6 T2202EL20060325 19-7 T2202EL 20060325 19-8 T2202EL CRT CBAT2202UC MWC24T5