Sony MZ-N505 service manual IC551 SC111258FCR2

Page 45

IC551 SC111258FCR2

MZ-N505

WI2

VI2

42 41

UI2 43

PWM2 44

3PHASE

CONTROL

CH2

VC

VG

VC LOW

VOLTAGE

DETECTOR

CPUO2 45

PGNDW2	WO2	VMVW2 VO2 PGNDUV2	UO2 VMU2	VMR2 RO2	PGND2 FO2 VMF2
40	39	38 37 36	35 34	33 32	31 30 29

3PHASE	H-BRIDGE
PRE DRIVER	PRE DRIVER
CH2	CH2
VC	VG	VC	VG
VC VG		VC	VG
	U	–
	U	+
		+

VC

H-BRIDGE CONTROL CH2

28FI2

27RI2

26COM2

25CPUI2

CPVO2 46

CPWO2	47
	VC

BIAS

OE	48
GND1	49	VC VG
VC	50
VG	51
CPWO1	52
CPVO1	53
CPUO1	54

VC

3PHASE

CONTROL

CH1

PWM1 55

UI1 56

VC VG

3PHASE

PRE DRIVER

CH1

			–
	V		–
	V		+
			+
			–

	W
	W		+
			+
	W		–
	W		+
			–
	V		–
	V		+
			+
			–
	U		–
	U		+
			+

VC VG

H-BRIDGE

PRE DRIVER

CH1

		24	CPVI2
		23	CPWI2
		22	NC
		21	GND2
		20	CPWI1
		19	CPVI1
		18	CPUI1
	VC	17	COM1
	VC
	H-BRIDGE	16	RI1
	CONTROL	16	RI1
	CONTROL	15	FI1
	CH1	15	FI1
	CH1

1 2

VI1 WI1

3	4	5	6	7	8	9	10 11	12 13 14
PGNDW1	WO1	VMVW1	VO1	PGNDUV1	UO1	VMU1	VMR1 RO1	PGND1 FO1 VMF1

45

Image 45

Contents 873-459-01 SpecificationsMZ-N505 Disassembly Table of ContentsDiagrams Flexible Circuit Board RepairingOptical PICK-UP Flexible Board Section Servicing NotesMZ-N505 Lookingat the controls Section GeneralDisassembly Flow Section DisassemblyCase Upper Section Case LowerMechanism Deck MT-MZN707-177 LCD MODULE, Case Upper SUB AssyMain Board Gear SA Screw M1.4 OP Service Assy LCX-5RHolder Assy Gear HA V1.100 Section Test ModeManual Mode Configuration of Test ModeTransition Method in Manual Mode Manual011 0FEJ1B 011 C68S1B011 063B1B 011 081A1BDescription of Error Indication Codes Reset the Error Display CodeSetting Method of Reset The Error Display Code Description of Indication History000 P**R Sound Skip Check Result Display Mode004 004 FFRMC OK SET OKSection Electrical Adjustments Reset021 ###SCC ResOK?741 AD 336 ###S771 AD 772 AD778 AD 777 AD779 AD 865 ###S872 ###S 871 ###S873 ###S 874 ###S765 AD 764 AD766 AD 767 ADLaser Laser Power Check011 ###S 012 ###SMain Board Component Side IC501Assy11 AssyOfst OfstOK000 *** NG CD and MO Overall Adjustment ItemsCD OK MO OK043 ###S00 Resume Clear Setting Method043 Res ResClrServicing Notes PreparationPre-Check Rewriting the Patch DataMZ-N505 MZ-N505 Block Diagram SERVO/USB Section Section DiagramsBlock Diagram Audio Section Block Diagram DISPLAY/KEY CONTROL/POWER Supply Section Lead Layouts Main Board Component Side Semiconductor LocationIC902 VRECIN1 Outa PGND2 F1VM Schematic Diagram Main Board 3/4 See page 42 for Waveforms KCT 22.7 ∝ s WaveformsIC302 TA2131FL EL IC Block Diagrams IC301 AK5354VT-E2IC501 SN761057A IC551 SC111258FCR2 IC601 XPC18A22AFCR2 IC901 XPC18A32FCR2 IC PIN Function Description DVSS0 DRAMVSS0DVDD0 SSB DataTrst KDIVG CTL Aout SELWK DET Vbus DETREC KEY Half LockDavdd VsioscVrefl AoutlDVDD3 DVSS3IFVDD3 IFVSS3EVA FlashvddFlashvss Case Section Section Exploded Views5251 Chassis Section101 104 102 103 Main Board Section301 353 Main Section Electrical Parts ListCAP-CHIP XPC18A22AFCR2 10K 16W R507 RES-CHIP R517 208-683-11 OPEN/CLOSE Detect EMI Filter Memo Revision History