Magnavox MWC24T5 service manual CRT/H.V. Block Diagram, 10-6, T2202BLCRT

Page 35

CN2502

TO POWER

+B

1

SUPPLY

+B

2

BLOCK

DIAGRAM

+26V

6

CN1602

 

 

1-10-6

CN2503

TO TV

 

V-DRIVE

8

PROCESS

H-DRIVE

1

BLOCK

 

 

 

 

AFC

7

DIAGRAM

REC VIDEO SIGNAL

PB VIDEO SIGNAL

 

DVD VIDEO SIGNAL Mode : SP/REC

SUB CBA

 

 

IC2551(V-DEFLECTION CONTROL)

 

 

 

L551

 

 

 

 

 

 

WF11

 

 

 

 

THERMAL

 

 

D.Y.

 

 

 

 

 

 

 

 

 

 

7

 

PROTECTION

 

 

5

V-

 

 

 

 

 

 

 

Q2591

 

AMP

5

 

 

4

DRIVE

 

 

 

 

 

1

 

Q2530,

 

H.DRIVE

 

 

 

 

 

 

 

 

 

 

 

Q2531

3

H-

 

 

 

 

PULSE

 

H.

 

 

 

 

 

 

1

DRIVE

WF10

 

 

 

UP

 

CONTROL

 

Q2571

T2572A

 

Q2533

 

 

CN2571

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H.OUTPUT

 

6

3

 

VR2530

VR2531

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PINC.

H SIZE

 

 

TP2501

 

 

 

 

Q2532

 

 

 

+B

 

 

 

 

 

 

 

 

 

T2571

F.B.T.

FOCUS VR

 

 

 

 

 

TP2504

 

 

 

 

 

 

 

 

HV

ANODE

 

 

 

 

GND

 

 

 

 

 

 

 

 

F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S

 

 

 

 

 

 

1

 

11

 

 

 

 

 

 

3

8

 

FOCUS

 

 

 

 

 

 

SCREEN

 

 

 

 

 

 

 

 

 

 

 

 

 

5

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

SCREEN VR

 

 

 

ANODE

 

 

 

 

 

 

 

 

 

4

9

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

CL2501A

 

CL2501B

 

 

 

 

 

 

1

HEATER

1

 

 

 

 

 

 

3

+180V

3

 

 

CRT/H.V. Block Diagram

CN1301

ACL

2

 

V-RAMP-NF

9

CN2503

CL2601

CL2504A

TP2506

AFC

WF12

WF13

Q2503

Q2502

JK2501

FOCUS

SCREEN

GND

TO TV PROCESS

5

RED

4

2

RED

BLOCK DIAGRAM

4 GREEN

3

3

GREEN

CN1301

3

BLUE

2

4

BLUE

 

RED AMP

GREEN AMP

BLUE AMP

Q2501

WF14

CN2501

R

V501

CRT

G

 

B

 

HEATER

GND

T2202BLCRT

CRT CBA

Image 35
Contents Rating Label Illustration at rightMain Section Suffix BImportant Safety Notice Main Section PTD 1-NOR TIT.1 CHP.1 SpecificationsDVD Description Condition Unit Nominal LimitAmsp Pmsp VCRHi-Fi Audio E7NLSP Laser Beam Safety PrecautionsLocation Top of DVD mechanism This DVD player uses a pickup that emits a laser beamTest ALL Exposed Important Safety PrecautionsSafety Precautions for TV Circuit Reading shouldTvdvdnisp Precautions during Servicing Leakage Current Test Safety Check after ServicingMeasuring Method Power on Clearance DistanceCircuit Board Indications Instructions for ConnectorsHow to Remove / Install Flat Pack-IC Standard Notes for ServicingWith Soldering Iron MachineMasking Flat Pack-IC Tape Tweezers Presolder InstallationWith Iron Wire Pin 1 of the Flat Pack-IC Is indicated by a markIncorrect Instructions for Handling Semi- conductorsGround for Human Body Ground for WorkbenchPreparing How to Enter the Service ModeHow to Enter the Service Mode Preparation for ServicingRemoval Cabinet Disassembly InstructionsDisassembly Flowchart Disassembly MethodFig. D1 Reference Notes in the TableTray Chassis Unit DVD Mechanism Anode CapCRT CBA DVD Main CBA Unit Test Equipment Required Electrical Adjustment InstructionsHow to make service remote control unit DC 120V +B AdjustmentR2583 CH. o / p buttons Video F0 AdjustmentGeneral Pincushion Adjustment Cut-off AdjustmentSize Adjustment Smpte White Balance AdjustmentSub-Brightness Adjustment 12. V. Size Adjustment Focus Adjustment10. H. Position Adjustment 11. V. Shift 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 Area B1 How to read converged linesTest Point Information Area D3T2202SCM1 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 T2202SCF 11-11 CRT Schematic Diagram TV/VCR SectionFunction & Junction-B Schematic Diagram TV/VCR Section T2202SCCRT11-12 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 Section11-15 BT1200F01013 Main CBA Top View TV/VCR SectionBHF300F01011A BHF300F01011B11-16 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 WiringSymbol Loading Status System Control Timing ChartsMode SW LD-SW Symbol14-2 Chart14-3 STILL/SLOW- Play 14-414-5 Tray Close ~ Play / Play ~ Tray Open IC1201 TV/VCR Micro Controller IC ≥ 4.5 V, L ≤ 1.0 Pin Signal FunctionPin Signal Function IC PIN Function DescriptionsOUT YCA-SCL PB-HOUT YCA-SDA OUT YCA-CS16-1 T2202LE Lead Identifications17-1 T2202CEX Exploded ViewsCabinet DVD Mechanical Parts17-2 T2203PEX PackingCRT Type No. CRT Warning Label Mechanical Parts ListV501 and L551 Combination CRT Warning Label Location20060325 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