Sony MDS-PC3 specifications LB1830M-S-TE-L Main Board

Page 47

IC400		MAX1626ESA-TE2 (MAIN BOARD)
								8	GND
								7	EXT
			1.5V
			ERROR		MINIMUM ON-TIME
		R2	COMPARATOR		ONE-SHOT	Q
OUT	1	R2	–		TRIG
					TRIG

			+		TRIG	Q
		R3	R1		TRIG	Q
		R3	R1		MINIMUM OFF-TIME
					MINIMUM OFF-TIME
					ONE-SHOT
3/5	2
			+	Q
			REF	Q
SHDN	3		REF	R	S
SHDN	3

REF	4
						–		6	CS
						+	– +	5	V+
					CURRENT-SENSE
					COMPARATOR
IC440		LB1830M-S-TE-L (MAIN BOARD)

IN2	IN1	VM		VREF	VCONT
10	9	8		7	6
			VREF
LOGIC
PREDRIVER
1	2		3	4	5
VCC	OUT2		GND	OUT1	VS

IC451 XC6351A120MR (MAIN BOARD)

	GND	1	P1	N2
	GND	1		6	C1-
	CCE/	2	CHIP	5	VIN
	CCE/	2	ENABLE
			ENABLE
			N3	N4	VOUT
	C1+	3		4	VOUT
	C1+	3
			OSCILLATOR	BUFFER

IC500 AK4524 (MAIN BOARD)

	VCOM	1
	AINR	2
				A/D	D/A	28	AOUTR+
				A/D	D/A	27	AOUTR–
				CONVERTER	CONVERTER	27	AOUTR–
				CONVERTER	CONVERTER	26	AOUTL+
				BLOCK	BLOCK	26	AOUTL+
				BLOCK	BLOCK	25	AOUTL–
	AINL	3				25	AOUTL–
	AINL	3
	VREF	4
	AGND	5				24	DGND
	VA	6				23	VD
	TEST	7				22	VT
	XTAO	8	CLOCK
	XTAI	9	GENERATOR			21	CLKO
	XTALE	10	& DIVIDER			20	M/S
						19	PD
	LRCK	11		H.P.F.		18	CIF
	LRCK	11	AUDIO	D-ATT	CONTROL	18	CIF
	BICK	12		D-ATT		17	CS

			INTERFACE		REGISTER
	SDTO	13	INTERFACE		REGISTER	16	CCLK
	SDTO	13	CONTROLLER	D-ATT,	INTERFACE	16	CCLK
	SDTI	14	CONTROLLER		INTERFACE	15	CDTI

				S-MUTE
				S-MUTE

47

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Contents MDS-PC3 SpecificationsTOC t Edit t TOC Edit t blank t SELF-DIAGNOSIS FunctionItems of Error History Mode Items and Contents Table of Error Codes Table of ContentsDisassembly DiagramsLead free soldering Section Service NotesFlexible Circuit Board Repairing JIG for Checking BD Board Waveform Record Precedure Main Board Component Side Checks Prior to Parts Replacement and AdjustmentsForced Reset Bit Binary Retry Cause Display ModeHexadecimal t Binary Conversion Table General Section Remote Parts DescriptionUsing the Display Hooking Up MD Mechanism Deck MDM-7A Section DisassemblyOver Light Head HR901, BD MD Board Main BoardLoading Motor Assy M103 Holder AssyOptical PICK-UP MD KMS-260B/JIN Sled Motor Assy M102, SliderSpindle Motor Assy M101 Exiting the Test Mode Section Test ModePrecautions for USE of Test Mode Setting the Test ModeDisplay Details Mark Group Selecting the Test ModeOperating the Continuous Playback Mode Functions of Other Buttons Test Mode DisplaysMode display Error rate displayInformation Meanings of Other DisplaysAutomatic SELF-DIAGNOSIS Function Check before replacement Section Electrical AdjustmentsParts Replacement and Adjustment Adjustment flow Precautions for Adjustments Precautions for Checking Laser Diode EmissionPrecautions for USE of Optical PICK- UP KMS-260B Checks Prior to Repairs Using the Continuously Recorded DiscOther Checks Auto CheckCD Error Rate Check Play Check MO Error Rate CheckLaser Power Adjustment Initial Setting of Adjustment ValueTemperature Compensation Offset Adjutment Iop NV Save Traverse AdjustmentFocus Bias Adjustment MO Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment CD Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points Diagrams MDS-PC3 Block Diagrams BD SectionSclk Cclk Main SectionSemiconductor Printed Wiring Board BD SectionPIN Function MDS-PC3 Printed Wiring Board Main Section PIN Functon MDS-PC3 Printed Wiring Board Panel Section Schematic Diagram Panel Section See page 35 for Waveforms IC101 CXA2523AR BD Board IC Block DiagramsLB1830M-S-TE-L Main Board BH3541F-E2 Main Board IC101 CXA2523AR RF Amplifier BD Board IC PIN FunctionsMNT0 FOK Mvci IC300 M30805SGP Main Board Shck MNT1 Chassis Section Section Exploded Views319 302 320 317 304 308 303 305 306 301 318 307 Mechanism MDM-7A351 MechanismRemarks Ref. No Description Section Electrical Parts ListMetal Chip Main PIN, Connector 2P Diode Main Panel KEY REFLECT/PROTECT SW MDS-PC3 Panel