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Panasonic specifications Servo Block Diagram, DVD-K29GCS SERVO BLOCK DIAGRAM

Models: DVD-K29GCS

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13.3. SERVO BLOCK DIAGRAM

13.3. SERVO BLOCK DIAGRAM

DVD-K29GCS

RF SIGNAL

MOTOR DRIVE SIGNAL

TRACKING ERROR SIGNAL

FOCUS ERROR SIGNAL

IC8251

IC8001 (DV2)

VIN9

(MOTOR DRIVE)

VO2+ 12

OPTICAL PICK UP UNIT

PHOTO DETECTOR
B1	B2
A1	A2
A4	A3	HEAD
B4	B3	AMP
		LASER DIODE(DVD)
		LASER DIODE(CD)

	130
VIN10	129	75	TRSDRV
		75
VIN5	134
VIN6	133	147	TRDRV
		147
VIN7	132
VIN8	131	148	FODRV
		148
VIN1	138
VIN2	137	76	SPDRV
		76
VIN3	136
VIN4	135	140	AD1
		140

Q8551, Q8552
LD DRIVE	LPC01 124

FROM

LPC1 123

IC6001-16,17PIN

6 VIN2

-

BIAS1+

22VIN4

23VIN5

5 VIN1

-

+

27OPOUT

7 VIN3

-

+

+

-

LEVEL SHIFT

LEVEL SHIFT

LEVEL SHIFT

-

+

-

+

-

+

-

+

-

+

-

+

TRAVERS MOTOR

VO2- 11

OPIN+ 25

VO1+ 14

SPINDLE MOTOR

VO1- 13

OPIN- 26

VO3+ 10

M2601

LOADING MOTOR

VO3- 9

Q8561, Q8562
LD DRIVE	LPC02 126

LPC2 125

79

RFINN 110

MUTE1

BIAS2

	3	CH1
	3	MUTE
		MUTE

-

+

OPTICAL PICK UP UNIT

	IC8251-15,16,17,18
	4Vp-p(0.5msec./div.)	ACTUATOR
		ACTUATOR
		TRACKING
VO4+ 17	ACT T+	COIL
VO4+ 17	ACT T+

RFINP

83

MUTE2

	4	CH2,4,5
	4	MUTE
		MUTE

LEVEL SHIFT

VO4- 18

ACT T-

111

-

+

-

+

LEVEL SHIFT

-

+

-

+

-

+

CH3

MUTE

			FOCUS
VO5+	15	ACT F+	COIL
VO5+	15	ACT F+
VO5-	16	ACT F-

IC6001

(OPERATION CPU)

MUTE3 1

TRAY MUTE 18

CLOSE SW

TRAY CLOSE

S2601

OPEN SW

TRAY OPEN

S2602

25

24

DVD-K29GCS

SERVO BLOCK DIAGRAM

37

Image 37

Panasonic specifications Servo Block Diagram, DVD-K29GCS SERVO BLOCK DIAGRAM

Contents

DVD-K29GCS DVD / CD PlayerDL4.1 Mechanism Series ColourPage CONTENTSPage 14 INTERCONNECTION SCHEMATIC DIAGRAM & SCHEMATIC 1.1.GENERAL GUIDELINES 1 SAFETY PRECAUTIONS1.1.1.LEAKAGE CURRENT COLD CHECK 1.1.2.LEAKAGE CURRENT HOT CHECK See Figure4 About lead free solder PbF 3 Precaution of Laser DiodeDistinction of PbF PCB 5.1.1.Worktable grounding 5 PREVENTION OF STATIC ELECTRICITY DISCHARGE5.1.2.Human body grounding 5.1.3.Handling of optical pickup6.1.Disassembly Procedure 6 DISASSEMBLING THE CASING AND CHECKING P.C.B.S6.2.Casing Parts and P.C.B. Positions DVD-K29GCS2.Release the tabs 3.Remove the connectors 1. Pull out the mic volume knob6.3.Top Panel 6.5. Mic P.C.B. and Operation P.C.B2. Remove the connectors 6.9. Mother P.C.B. and Power SW P.C.B1.Unscrew the screws 2.Remove the connectors 6.6. Module P.C.B6.10.1. Servicing position of the Module P.C.B 6.10. Service Position6.10.2. Servicing position of the Mother P.C.B 6.10.3. List of the Extension Cables7.1.Disassembly Procedure 7ASSEMBLING AND DISASSEMBLING THE MECHANISM UNIT7.2.Traverse Unit <Assembling the tray unit> 7.3.Tray7.4.Loading section 1. Unscrew the screws 7.5.Loading motor P.C.BDVD-K29GCS 7.6.Optical Pickup Unit 4.Unscrew the screw 2. Unscrew the screws 3. Remove the drive rack5.Slide the shaft in the arrow direction 6. Lift the optical pickup unit with the shaft<Assembling the optical pickup unit> 7.7.Traverse MotorDVD-K29GCS DVD-K29GCS 8.1.Optical Pickup Breakdown Diagnosis 8 Self-DiagnosisFunction and Service Modes8.3.DVD Self Diagnostic Function-ErrorCode 8.2.Service Mode Table8.4.Last Error Code saved during NO PLAY DVD-K29GCS 8.5.Service mode tableDVD-K29GCS 8.6.2.Cancellation 8.6.1.Setting8.7.2.Precautions 8.6.Sales demonstration lock function9.1.Recovery after the dvd player is repaired 9 Service Precautions9.2.Firmware version-upof the DVD player 10.1. Service Tools and Equipment 10 ADJUSTMENT PROCEDURES10.2. Important points in adjustment 10.2.1. Important points in optical adjustment10.4.1. Optical pickup tilt adjustment 10.4. Optical adjustment10.4.1.1. Adjustment procedure 10.4.1.3. Check after adjustment10.4.1.4. Procedure for screw lock 11 Abbreviations INITIAL/LOGO MOTHER P.C.B 12 VOLTAGE CHART12.1 DVD-K29GCS12.2 MODULE P.C.BDVD-K29GCS 12.3 MIC P.C.BDVD-K29GCS DVD-K29GCS 13.1. OVERALL BLOCK DIAGRAM 13 BLOCK DIAGRAMPRIMARY CIRCUIT DVD-K29GCS POWER SUPPLY BLOCK DIAGRAMSECONDARY CIRCUIT IC6001DVD-K29GCS SERVO BLOCK DIAGRAM 13.3. SERVO BLOCK DIAGRAMDVD-K29GCS DVD-K29GCS VIDEO BLOCK DIAGRAM 13.4. VIDEO BLOCK DIAGRAMDVD-K29GCS DVD-K29GCS VIDEO BLOCK DIAGRAM DVD-K29GCS VIDEO BLOCK DIAGRAMVIDEO MAIN SIGNAL DVD-K29GCSDVD-K29GCS AUDIO BLOCK DIAGRAM 13.5. AUDIO BLOCK DIAGRAMDVD-K29GCS 14.1. INTERCONNECTION SCHEMATIC DIAGRAM Important safety notice 14.2. SCHEMATIC DIAGRAM NOTESImportant safety notice POWER SUPPLY SECTION 15 SCHEMATIC DIAGRAMSCHEMATIC DIAGRAM A :POPOWER SUPPLY SECTIONSCHEMATIC DIAGRAM A :POPOWER SUPPLY SECTIONB :F/AVFRONT & AV OUT SECTION DVD-K29GCSSCHEMATIC DIAGRAM SCHEMATIC DIAGRAMDVD-K29GCS DVD-K29GCSSCHEMATIC DIAGRAM SCHEMATIC DIAGRAMDVD-K29GCS DVD-K29GCSDVD-K29GCSMODULE SCHEMATIC DIAGRAM 15.3. MODULE SCHEMATIC DIAGRAMIC8001 DVD-K29GCSRFKVDS39BKIT SCHEMATIC DIAGRAM DVD-K29GCSMODULE SCHEMATIC DIAGRAMVIDEO MAIN SIGNAL AUDIO MAIN SIGNAL15.4. MIC SCHEMATIC DIAGRAM POWER SW P.C.B 16 PRINT CIRCUIT BOARD16.1. MOTHER P.C.B MOTHER P.C.BMOTHER P.C.B MODULE P.C.B. 1/2 16.3. MODULE P.C.B. 1/2 COMPONENT SIDECOMPONENT SIDE MODULE P.C.B. 2/2 16.4. MODULE P.C.B. 2/2 FOIL SIDEFOIL SIDE OPERATION P.C.B 16.5. OPERATION P.C.B. & MIC P.C.BDVD-K29GCS DVD-K29GCS 17 EXPLODED VIEWSDVD-K29GCS 17.2. MECHANISM SECTION EXPLODED VIEWDVD-K29GCS 17.3. PACKING & ACCESSORIES SECTION EXPLODED VIEW18 REPLACEMENT PARTS LIST Part No Part No Part No Part No