Magnavox MWC24T5 service manual Waveforms, 12-1, X7TWF

Page 59

Input:

NTSC Color Bar Signal (with 1kHz Audio Signal) --- WF1~WF16

 

DVD Video (Power on (Stop) MODE) --- WF17, WF18

 

CD (1KHz Play) --- WF19, WF20

 

INITIAL POSITION: Unplug unit from AC outlet for at least five minutes,

 

reconnect to AC outlet and then turn power on.

(Brightness---

Center Color---Center Tint --- Center Contrast---Approx 70%)

WF1 1DIV: 2V 5ms TP1402 RF-SW

WF5 1DIV: 0.5V 20 s

TP1401 V-OUT

WF9 1DIV: 2V 20 s

TP1305 H-OUT

WF13 1DIV: 20V 20s

Q2502 COLLECTOR

WF17 1DIV: 0.2V 20s

TP2513 DVD-Y

1-12-1

WF2 1DIV: 0.2V 0.1s IC1401 Pin 49

WF3 1DIV: 1V 10ms TP1202 CTL-AMP-OUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Upper: WF6 Lower: WF1

 

 

 

WF10 1DIV: 200V 20 s

WF14 1DIV: 20V 20s

WF18 1DIV: 0.2V 20s

1DIV: 0.2V 2DIV: 5V 5ms

 

 

 

Q2571 COLLECTOR

Q2501 COLLECTOR

TP2512 DVD-C

TP1403 ENV.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WF7 1DIV: 0.5V 0.5ms

 

WF111DIV: 10V 5ms

WF15 1DIV: 1V 20 s

WF19 1DIV: 0.5V 0.5ms

IC1401 PIN10

 

CN2571 PIN 5

IC1201 PIN 58

CN2503 PIN 18

WAVEFORMS

X7TWF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SPDIF

1V

0.1sec

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WF4 1DIV: 0.25V 20 s

WF8 1DIV: 0.5V 0.5ms

 

WF121DIV: 20V 20s

WF16 1DIV: 1V 5ms

WF20 1DIV: 1V

0.1s

 

 

 

 

IC1401 Pin 32

IC1401 PIN9

 

Q2503 COLLECTOR

IC1201 PIN 59

CN2 PIN 1

 

Image 59
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