Magnavox MWC24T5 IC PIN Function Descriptions, IC1201 TV/VCR Micro Controller IC, Name

Page 68

IC PIN FUNCTION DESCRIPTIONS

IC1201 (TV/VCR Micro Controller IC)

“H” 4.5 V, “L” 1.0 V

Pin

IN/

Signal

Function

No.

OUT

Name

 

 

 

 

 

 

 

 

 

1

IN

LD-SW

Loading Switch Input

 

 

 

 

2

OUT

DVD-LED

DVD LED Control Output

 

 

 

 

3

IN

P-SAFETY

Power Supply Failure

2

Detection 2

 

 

 

 

 

 

4

IN

ST/SAP-IN

Tuner Stereo/Sap Detector

Signal Input

 

 

 

 

5

IN

KEY0

Key Input 0

 

 

 

 

6

IN

KEY1

Key Input 1

 

 

 

 

7

IN

END-SENS

End-Sensor

 

 

 

 

8

IN

AFT

AFT Voltage Input

 

 

 

 

9

IN

ST-SENS

Start-Sensor

 

 

 

 

10

IN

V-ENV

Video Envelope Input

 

 

 

 

11

OUT

VOLUME

Volume Control Signal

Output

 

 

 

 

 

 

 

12

OUT

SP-MUTE

Speaker Mute Signal Output

 

 

 

 

13

OUT

DV-SYNC

Artificial Vertical Sync Output

 

 

 

 

14

IN

REMOTE

Remote Control Signal Input

 

 

 

 

15

OUT

ROTA

Color Phase Rotary

Changeover Signal

 

 

 

 

 

 

 

16

OUT

V-H-SW

Video Head Amp Switching

Pulse

 

 

 

 

 

 

 

17

IN

ENV-DET

Envelope Comparator Signal

 

 

 

 

18

OUT

RF-SW

Video Head Switching Pulse

 

 

 

 

19

OUT

Hi-Fi-H-SW

HiFi Audio Head Switching

 

 

 

Pulse

20

-

NU

Not Used

 

 

 

 

21

OUT

REC-LED

REC LED Control Signal

 

 

 

 

22

IN

NORMAL-

Audio Mode Input Signal

H

 

 

 

 

 

 

 

23

-

NU

Not Used

 

 

 

 

24

-

NU

Not Used

 

 

 

 

25

OUT

DVD-

Remote Control Signal

REMOTE

Output to DVD

 

 

 

 

26

OUT

TV/VCR-

TV/VCR LED Control Signal

LED

 

 

 

 

27

-

NU

Not Used

 

 

 

 

28

-

NU

Not Used

 

 

 

 

29

OUT

D-REC

Delayed Record/Playback

 

 

/PB-L

Control Signal

30

-

NU

Not Used

 

 

 

 

31

OUT

P-ON-H

Power On Signal at High

 

 

 

 

Pin

IN/

Signal

Function

No.

OUT

Name

 

 

 

 

 

 

 

 

 

32

-

NU

Not Used

 

 

 

 

33

IN

REC-

Record Protection Tab

SAFETY

Detection

 

 

 

 

 

 

34

IN

RESET

System Reset Signal (Reset

= “L”)

 

 

 

 

 

 

 

35

IN

XC-IN

Sub Clock (32kHz)

 

 

 

 

36

OUT

XC-OUT

Sub Clock (32kHz)

 

 

 

 

37

-

TIMER+5V

Vcc

 

 

 

 

38

IN

X-IN

Main Clock (10.6MHz)

 

 

 

 

39

OUT

X-OUT

Main Clock (10.6MHz)

 

 

 

 

40

-

GND

GND

 

 

 

 

41

OUT

SPOT-KILL

Counter Measure for Spot

 

 

 

 

42

IN

DVD-MAIN-

Power On Signal at High for

POWER

DVD

 

 

 

 

 

 

43

IN

CLKSEL

Clock Select (GND)

 

 

 

 

44

OUT

D-REC-H

Delayed Record Control

Signal

 

 

 

 

 

 

 

45

IN

I2C-OPEN

Chip Select

 

 

 

 

46

-

GND

GND

 

 

 

 

 

 

DVD-

 

47

IN

AUDIO-

DVD Audio Mute Signal

 

 

MUTE

 

 

 

 

 

48

OUT

DVD-H

DVD at High

 

 

 

 

49

-

GND

GND

 

 

 

 

50

IN

CS

DVD Interface Chip Select

 

 

 

 

51

IN

SCLK

DVD Interface Serial Clock

 

 

 

 

52

IN

SDATA

DVD Interface Serial Data

 

 

 

 

53

-

P-ON+5V

OSD Vcc

 

 

 

 

54

-

HLF

Horizontal Filter

 

 

 

 

55

IN

V-HOLD

Vertical Hold

 

 

 

 

56

IN

CV-IN

Composite Video Signal

Input

 

 

 

 

 

 

 

57

-

GND

GND

 

 

 

 

58

IN

H-SYNC

Horizontal SYNC Input

 

 

 

 

59

IN

V-SYNC

Vertical SYNC Input

 

 

 

 

60

OUT

OSD-BLK

Output for Picture Cut off

 

 

 

 

61

OUT

DG-ON-H

Degaussing Coil Control

Signal

 

 

 

 

 

 

 

62

OUT

OSD-B

Blue Signal Output

 

 

 

 

63

OUT

OSD-G

Green Signal Output

 

 

 

 

64

OUT

OSD-R

Red Signal Output

 

 

 

 

65

OUT

AUDIO-

Audio Mute Signal Output

MUTE

 

 

 

 

1-15-1

T2203PIN

Image 68
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