Magnavox MWC24T5 service manual 10-1 T2202BLS, Main CBA

Page 30

1-10-1

T2202BLS

FUNCTION CBA

 

MAIN CBA

SW1201

SW1203,

AL+5V

IC1201(SERVO/SYSTEM CONTROL)

 

 

 

 

SW1206

SW1210

 

 

SW2401 SW2408

CN2401

CN1803

KEY SWITCH

5

KEY0

REC-SAFETY 33

 

KEY SWITCH

5 KEY1

5

 

 

6

KEY1

SW1211

 

 

 

 

 

 

 

 

 

 

 

REC

 

 

 

 

 

 

 

 

SAFETY

 

 

 

 

 

 

 

 

 

RS1201

 

 

CN1

Q2203

CN2503

CN1301

 

 

REMOTE 14

REMOTE

 

 

 

 

SENSOR

 

 

 

 

 

IC1202 (MEMORY)

TO DVD SYSTEM

18 SDATA

BUFFER

 

13 SDATA

13

52

SDATA

 

 

 

 

 

 

CONTROL/SERVO

16 SCLK

 

BUFFER

14 SCLK

14

51

SCLK

SCL 71

6

SCL

BLOCK DIAGRAM

17 CS

BUFFER

 

15 CS

15

50

CS

SDA 72

5

SDA

<DVD SECTION>

Q2201

19 DVD-REMOTE

Q2202

 

 

25

DVD-REMOTE

I2C-OPEN 45

7

CS

CN1A

 

 

 

 

 

 

 

 

 

 

CN2502

 

CN1602

D1224 S-LED

 

 

 

 

 

 

AL+5V

 

 

 

SPOT-KILL

 

19 DVD-REMOTE 19

 

 

 

 

 

 

 

SPOT-KILL

 

D1204 REC

 

 

41

 

 

 

 

 

 

 

 

 

 

 

 

AFT

AFT

 

 

 

 

 

 

 

8

 

 

 

 

 

 

21 REC-LED

 

SCL

TO TV PROCESS

SUB CBA

 

 

D1216 DVD

 

 

 

SDA

BLOCK DIAGRAM

 

 

 

 

C-SYNC

C-SYNC

 

 

 

 

 

 

2 DVD-LED

74

 

(DECK ASSEMBLY)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D1217 TV/VCR

 

 

 

 

 

ACE HEAD ASSEMBLY

 

 

 

 

26 TV/VCR-LED

 

DVD-MAIN-POWER

 

 

CL1402

 

 

DVD-MAIN-POWER

 

 

 

 

 

42

TO POWER

 

 

 

 

 

 

 

P-ON-H

CONTROL

CTL(+)

5

 

 

95 CTL(+)

P-ON-H

31

SUPPLY BLOCK

HEAD

 

 

 

 

 

 

P-DOWN

DIAGRAM

CTL(-)

6

 

 

94 CTL(-)

P-DOWN 84

 

 

 

 

 

 

WF3 TP1202

 

97 CTL-AMP-OUT

 

 

 

 

 

 

CTL-AMP-OUT

 

 

SDA

 

 

 

 

SW1212

AL+5V

 

 

 

 

 

 

 

 

SCL

 

 

 

 

LD-SW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ST/SAP-IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

LD-SW

ST/SAP-IN

4

NORMAL-H

TO Hi-Fi AUDIO

 

 

 

 

 

 

 

 

NORMAL-H

22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Hi-Fi-H-SW

BLOCK DIAGRAM

 

 

 

 

 

 

 

 

9

ST-SENS.

Hi-Fi-H-SW

19

 

 

 

 

 

 

 

 

AUDIO-MUTE

 

 

 

 

 

 

 

 

 

7

END-SENS.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q1202

Q1201

 

 

 

Q1206

80 T-REEL

AUDIO-MUTE

65

AUDIO-MUTE

 

 

 

 

 

 

 

 

 

 

 

 

 

ST-SENS.

END-SENS.

 

 

 

 

DVD-AUDIO-MUTE

 

 

 

 

 

 

 

 

 

 

 

 

 

T-REEL

 

DVD-AUDIO-MUTE

47

 

 

 

 

 

 

 

 

 

D-REC-H

 

 

 

 

 

 

 

 

 

 

 

D-REC-H

44

 

 

 

SENSOR CBA

SENSOR CBA

 

 

Q1205

 

 

SP-MUTE

 

 

 

 

 

 

 

SP-MUTE

12

 

 

 

(ST-SENSOR)

(END-SENSOR)

 

 

 

 

 

DVD-H

TO AUDIO

 

 

 

TIMER+5V

RESET

34 RESET

DVD-H

48

 

 

 

 

 

 

 

 

 

 

 

 

 

VOLUME

BLOCK DIAGRAM

 

 

 

 

 

 

 

 

 

 

VOLUME

11

 

 

 

 

 

 

 

 

 

 

YCA-SCL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CYLINDER ASSEMBLY

CAPSTAN MOTOR

 

 

 

 

 

 

 

 

YCA-SDA

 

 

 

 

CL1201

 

 

 

 

 

YCA-CS

 

 

 

 

 

 

 

 

 

 

 

 

 

PG

 

 

CM+12V

1

M+12V

 

 

 

 

 

 

 

 

SENSOR

 

 

P-ON+5V(3)

2

P-ON+5V(3)

 

 

 

 

 

 

 

 

 

 

C-FG

3

 

 

87

C-FG

 

 

V-H-SW

 

DRUM

M

 

 

CM-F/R

4

 

 

66 C-F/R

V-H-SW

16

 

 

 

 

 

ENV-DET

 

 

 

C-CONT

5

 

 

76 C-CONT

 

MOTOR

 

 

 

 

ENV-DET

17

 

 

 

 

 

DV-SYNC

 

 

 

CAPSTAN

MOTOR

FG-GND

6

 

 

 

 

DV-SYNC

13

 

 

 

 

 

 

 

V-ENV

 

 

 

DRIVE

LD-CONT

7

 

 

82 LD-CONT

 

 

 

 

 

V-ENV

10

TO VIDEO

 

 

MOTOR

 

 

 

 

CIRCUIT

 

 

ROTA

 

 

D-CONT

8

 

 

 

 

 

 

 

 

 

77 D-CONT

ROTA

15

BLOCK DIAGRAM

 

 

 

 

 

 

RF-SW

 

 

M

 

D-PFG

9

 

 

90 D-PFG

 

 

 

 

 

 

RF-SW

18

 

 

 

 

 

 

YCA-SCL

 

 

 

 

M-GND

10

 

 

 

 

 

 

 

 

 

 

 

 

YCA-SCL 70

 

 

 

 

 

 

 

 

 

YCA-SDA

 

 

 

 

 

D/L+12V

11

 

 

 

 

 

 

LOADING

M

 

 

 

 

 

YCA-SDA

68

 

 

 

 

 

 

 

YCA-CS

 

 

 

VG+15V

12

 

+26V

 

 

 

 

MOTOR

 

 

 

 

 

YCA-CS

69

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLOCK DIAGRAMS < TV/VCR Section >

System Control / Servo Block Diagram

Page 29 Page 31
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Page 29 Page 31
Contents Suffix B Illustration at rightMain Section Rating LabelImportant Safety Notice Main Section Description Condition Unit Nominal Limit SpecificationsDVD PTD 1-NOR TIT.1 CHP.1VCR Hi-Fi AudioAmsp Pmsp This DVD player uses a pickup that emits a laser beam Laser Beam Safety PrecautionsLocation Top of DVD mechanism E7NLSPReading should Important Safety PrecautionsSafety Precautions for TV Circuit Test ALL ExposedTvdvdnisp Precautions during Servicing Clearance Distance Safety Check after ServicingMeasuring Method Power on Leakage Current TestStandard Notes for Servicing Instructions for ConnectorsHow to Remove / Install Flat Pack-IC Circuit Board IndicationsMachine Masking Flat Pack-IC Tape TweezersWith Soldering Iron Pin 1 of the Flat Pack-IC Is indicated by a mark InstallationWith Iron Wire PresolderGround for Workbench Instructions for Handling Semi- conductorsGround for Human Body IncorrectPreparation for Servicing How to Enter the Service ModeHow to Enter the Service Mode PreparingDisassembly Method Cabinet Disassembly InstructionsDisassembly Flowchart RemovalReference Notes in the Table Fig. D1Tray Chassis Unit Anode Cap CRT CBADVD Mechanism DVD Main CBA Unit DC 120V +B Adjustment Electrical Adjustment InstructionsHow to make service remote control unit Test Equipment RequiredF0 Adjustment GeneralR2583 CH. o / p buttons Video Cut-off Adjustment Size AdjustmentPincushion Adjustment White Balance Adjustment Sub-Brightness AdjustmentSmpte 11. V. Shift Adjustment Focus Adjustment10. H. Position Adjustment 12. V. Size AdjustmentHead Switching Position Adjustment Purity AdjustmentGreen RED Blue Convergence Adjustment Magnet RB Magnet RB-GHOW to Initialize the TV/DVD/VCR DVD SectionTV/VCR Section Firmware Renewal Mode Appearance shown in *1 of Fig. b is described as followsAppearance State 10-1 T2202BLS Main CBAVideo Block Diagram 10-2T2202BLV Audio Block Diagram 10-3T2202BLA Diagram 10-4T2202BLH TV Process Block Diagram 10-5 T2202BLTCRT/H.V. Block Diagram 10-6T2202BLCRT Power Supply Block Diagram IC160110-8 T2202BLSDDigital Signal Process Block Diagram 10-9 T2202BLDSchematic Diagrams / CBA’S and Test Points Standard NotesX7TNSC Area D3 How to read converged linesTest Point Information 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 T2202SCSUB1Sub 2/2 Schematic Diagram TV/VCR Section 11-10T2202SCSUB2 T2202SCCRT CRT Schematic Diagram TV/VCR SectionFunction & Junction-B Schematic Diagram TV/VCR Section 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 T2202SCD3BHF300F01011B Main CBA Top View TV/VCR SectionBHF300F01011A 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 11-20Waveforms 12-1X7TWF 13-1 T2202WITWiring 13-2 T2202WIDSymbol System Control Timing ChartsMode SW LD-SW Symbol Loading StatusChart 14-214-3 14-4 STILL/SLOW- Play14-5 Tray Close ~ Play / Play ~ Tray Open IC PIN Function Descriptions ≥ 4.5 V, L ≤ 1.0 Pin Signal FunctionPin Signal Function IC1201 TV/VCR Micro Controller ICOUT YCA-CS PB-HOUT YCA-SDA OUT YCA-SCLLead Identifications 16-1 T2202LEDVD Mechanical Parts Exploded ViewsCabinet 17-1 T2202CEXPacking 17-2 T2203PEXCRT Warning Label Location Mechanical Parts ListV501 and L551 Combination 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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