Magnavox MWC24T5 service manual Audio Block Diagram, 10-3, T2202BLA

Page 32

1-10-3

REC AUDIO SIGNAL

PB AUDIO SIGNAL

 

DVD AUDIO SIGNAL Mode : SP/REC

IC1803 (AUDIO AMP)

 

 

 

 

 

CN2

 

CN2503

CN1301

1

VCR

 

 

 

 

 

 

 

 

 

 

TO DVD

 

 

DVD

 

AMP

14

 

 

 

 

 

 

 

3

 

 

19 DVD-AUDIO(R)

19

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JK1801

 

 

 

AUDIO

 

 

 

 

 

 

(R-CH)

 

 

 

 

 

 

 

 

 

BLOCK

4

 

 

18 DVD-AUDIO(L)

18

 

 

 

 

 

 

 

HEADPHONE

 

 

 

DIAGRAM

9

 

 

16 DVD-AUDIO-MUTE 16

 

 

MUTE

 

 

 

 

 

JACK

 

 

 

<DVD

 

Q2619

 

 

 

 

 

 

 

 

 

 

 

1

WF20

 

WF19

 

 

/STANDBY

VOLUME

 

 

 

 

JUNCTION-A CBA

 

 

SECTION>

 

 

 

 

 

 

 

 

 

 

CN2A

 

 

 

 

 

 

(L-CH)

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN1802

 

 

CN3802

CL3802

 

 

 

 

 

 

 

 

6

VCR

 

 

 

 

 

 

SP1801

 

 

 

 

 

 

 

 

 

1,2

SP(R)

1,2

SP(R)

1

 

 

 

 

 

 

 

 

 

 

SPEAKER

 

 

 

 

 

 

 

 

 

AMP

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q2701

JK2701

 

 

8

DVD

 

 

 

 

 

SP-GND

2

R-CH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BUFFER

DIGITAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUDIO-OUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(COXIAL)

 

 

 

12

2

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN1803

CN2401

CN2801

CN3801

CL3801

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1,3 SP(L) 1,3

1,2 SP(L) 1,2

SP(L)

1

SP801

SPEAKER

SUB CBA

 

SP-GND

2

 

L-CH

 

 

 

 

 

 

 

 

FUNCTION

 

JUNCTION-B CBA

 

 

 

 

 

CBA

 

 

 

MAIN CBA

 

 

 

 

 

 

 

 

 

SP-MUTE

 

 

 

 

 

 

 

TO SYSTEM

DVD-AUDIO-MUTE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTROL/SERVO DVD-H

IC1401

 

 

 

 

 

 

BLOCK DIAGRAM

VOLUME

 

80 78

76

 

 

 

(AUDIO SIGNAL PROCESS)

 

 

 

 

 

 

 

 

 

 

 

 

 

AUDIO-OUT(R)

 

 

REAR

TUNER

 

 

 

 

 

 

FRONT

 

 

 

 

TO Hi-Fi AUDIO

AUDIO-OUT(L)

 

 

 

 

 

 

 

 

ALC

 

 

 

 

N-A-IN

 

 

 

 

 

 

BLOCK DIAGRAM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N-A-OUT

 

 

R

 

LINE

 

 

 

 

 

 

LPF

MUTE

10

 

 

6 EQ

3

2

AMP

 

 

 

 

 

 

 

AMP

4

P

 

 

 

WF7

(DECK ASSEMBLY)

 

 

 

 

 

 

 

 

 

 

 

 

 

SP/LP-ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

Audio Block Diagram

T2202BLA

ACE HEAD ASSEMBLY

AUDIO

HEAD

AUDIO

ERASE

HEAD

FE HEAD

FULL

ERASE

HEAD

 

CL1402

 

 

 

 

3

AUDIO-PB/REC

Q1872

 

 

 

4

AUDIO-COM

 

 

 

BIAS

 

 

 

6

AE-H

 

 

 

OSC

 

 

 

5

AE-H/FE-H

Q1871

 

 

 

11

AUTO

 

 

 

 

 

 

 

 

BIAS

 

 

 

 

 

 

 

Q1873

 

 

 

 

 

(PB=ON)

P-ON+5V

 

 

 

 

 

SWITCHING

 

 

 

CL1403

Q1875 D-REC OFF

 

 

 

 

P-ON+5V

 

 

1

FE-H

 

 

 

 

 

 

 

2

FE-H-GND

Q1874

 

 

 

 

 

 

 

 

 

 

(PB=ON)

 

 

 

8

WF8

REC

AMP

SERIAL

I/F

58

55 54 53

YCA-SCL

YCA-SDA

YCA-CS

TO SYSTEM

CONTROL/SERVO

AUDIO-MUTE

BLOCK DIAGRAM

D-REC-H

 

Page 31 Page 33
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Page 31 Page 33
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.1Amsp Pmsp VCRHi-Fi Audio 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 IndicationsWith Soldering Iron MachineMasking Flat Pack-IC Tape Tweezers 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 DVD Mechanism Anode CapCRT CBA DVD Main CBA Unit Electrical Adjustment Instructions How to make service remote control unitDC 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 Focus Adjustment 10. H. Position Adjustment11. V. Shift Adjustment 12. V. Size AdjustmentGreen RED Blue Head Switching Position AdjustmentPurity Adjustment Convergence Adjustment Magnet RB Magnet RB-GTV/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 10-1 T2202BLS Main CBAT2202BLV Video Block Diagram10-2 T2202BLA Audio Block Diagram10-3 T2202BLH Diagram10-4 TV Process Block Diagram 10-5 T2202BLTT2202BLCRT CRT/H.V. Block Diagram10-6 Power Supply Block Diagram IC160110-8 T2202BLSDDigital Signal Process Block Diagram 10-9 T2202BLDX7TNSC Schematic Diagrams / CBA’S and Test PointsStandard Notes 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 T2202SCSUB1T2202SCSUB2 Sub 2/2 Schematic Diagram TV/VCR Section11-10 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 11-20X7TWF Waveforms12-1 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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