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Magnavox MWC24T5 service manual 10-1 T2202BLS, Main CBA

Models: MWC24T5

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1-10-1

T2202BLS

FUNCTION CBA		MAIN CBA	SW1201	SW1203,	AL+5V	IC1201(SERVO/SYSTEM CONTROL)
			SW1206	SW1210		IC1201(SERVO/SYSTEM CONTROL)
SW2401 SW2408	CN2401	CN1803	KEY SWITCH		5	KEY0	REC-SAFETY 33
KEY SWITCH	5 KEY1	5			6	KEY1	REC-SAFETY 33	SW1211
KEY SWITCH	5 KEY1	5			6	KEY1		SW1211
								REC
								SAFETY

										RS1201
		CN1	Q2203	CN2503		CN1301			REMOTE 14	REMOTE
									REMOTE 14	SENSOR
										SENSOR	IC1202 (MEMORY)
	TO DVD SYSTEM	18 SDATA	BUFFER		13 SDATA	13	52	SDATA			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>	17 CS	BUFFER	Q2201	15 CS	15	50	CS	SDA 72	5	SDA
	<DVD SECTION>	19 DVD-REMOTE	Q2202	Q2201			25	DVD-REMOTE	I2C-OPEN 45	7	CS
	CN1A

CN2502		CN1602	D1224 S-LED
CN2502		CN1602	AL+5V				SPOT-KILL
19 DVD-REMOTE 19			AL+5V
						SPOT-KILL
			D1204 REC				41
							41
						AFT	AFT
						AFT	8
					21 REC-LED		SCL	TO TV PROCESS
SUB CBA			D1216 DVD				SDA	BLOCK DIAGRAM
SUB CBA			D1216 DVD			C-SYNC	C-SYNC
					2 DVD-LED	C-SYNC	74
(DECK ASSEMBLY)					2 DVD-LED
(DECK ASSEMBLY)
			D1217 TV/VCR
ACE HEAD ASSEMBLY					26 TV/VCR-LED		DVD-MAIN-POWER
ACE HEAD ASSEMBLY		CL1402			DVD-MAIN-POWER		DVD-MAIN-POWER
		CL1402			DVD-MAIN-POWER		42	TO POWER
							P-ON-H	TO POWER
CONTROL	CTL(+)	5			95 CTL(+)	P-ON-H	31	SUPPLY BLOCK
HEAD							P-DOWN	DIAGRAM
	CTL(-)	6			94 CTL(-)	P-DOWN 84		DIAGRAM
	CTL(-)	6			94 CTL(-)	P-DOWN 84
			WF3 TP1202		97 CTL-AMP-OUT
			CTL-AMP-OUT				SDA
			SW1212	AL+5V			SDA
			SW1212				SCL
			LD-SW

							ST/SAP-IN
							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

Image 30

Magnavox MWC24T5 service manual 10-1 T2202BLS, Main CBA

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