Sony MZ-N505 service manual Section Diagrams, Block Diagram SERVO/USB Section

MZ-N505

		SECTION 6
		DIAGRAMS
6-1. BLOCK DIAGRAM – SERVO/USB Section –
						OVER WRITE HEAD DRIVE
						IC601 (1/2)
	HR601			35	HB
			OVER WRITE			EFM	EFM
	OVER
OPTICAL PICK-UP BLOCK			HEAD DRIVE			PRE DRIVER	7
	WRITE				HA
			Q604, 605
(LCX-5R)	HEAD			33			CLK
							4

M603

41

OUTA

H-BRIDGE

VRECIN2

37

OUTB

VRECIN1

RF AMP, FOCUS/TRACKING ERROR AMP

OVER WRITE

M

38

PRE DRIVER

42

HEAD

C1H

IC501

28

UP/DOWN

CHARGE

C1L

4

VREF

SYSTEM CONTROL (1/2)

PUMP 1

27

IY

–

25

VREF

SW

RECON

OE

RI

FI

PUMP 2

C2H

31

+

C2L

30

CHARGE

IX

–

1

2

3

5

6

+

JX

–

142 141 140

145 143

JX

JY

JX

IY

+

8

RF OUT

PEAK

33

163 RFI

MODE3

MODE2

MODE1

HDCON2

HDCON1

JY

+

10

IX

–

JX

PEAK

29

169 PEAK

RF AMP,

BOTM

IX

IY

IX

JY

A

11

/BOTM

28

170 BOTM

–

A

FOCUS/

12

TRACKING

ABCD

+

B

41

171 ABCD

SYSTEM CONTROLLER,

B

14

ERROR

A

B C

D

–

C

AMP

FE

42

172 FE

DIGITAL SIGNAL PROCESSOR,

5

16M BIT D-RAM

+

6

D

TE

1

181 TE

IC801 (1/3)

C

A-C

–

13

TPP/WPP

ADIP IN

44

+

D-C

ADFG

21

202 ADFG

D

7

–

PD-I

PD-NI

+

18

APC

19

206 APCREF

MON

–

31

174 VC

OFTRK 26

VC

+

108 VREF MON

LD-A

AUTOMATIC

PD-O

LD

POWER

20

XRST

25

75 XRF RST

CONTROL

Q501

SERIAL

FOCUS/TRACKING

INTERFACE

COIL DRIVE,

SBUS

23

27 SSB DATA

SPINDLE/SLED

SCK

MOTOR DRIVE

24

28 SSB CLK

IC551

S-MON

S-MONITER

43

180 SE

TRK+

30 FO2

TRACKING

FI2

28

TRK–

32 RO2

COIL DRIVE

RI2

27

S0

80 PD S0

S1

81 PD S1

FCS+

13

FO1

FOCUS

FI1

15

FCS–

11

RO1

COIL DRIVE

RI1

16

2-AXIS

PWM2 44

DEVICE

TRK+

TRK+

(FOCUS)

(TRACKING)

35

UO2

UI2 43

25

CPUI2

SLED

TRK–

TRK–

VI2 42

U

37

VO2

MOTOR

24

CPVI2

DRIVE

M602

WI2

FCS+

FCS+

W

V

39

WO2

41

(SLED)

CPWI2

FCS–

FCS–

23

26

COM2

SLD MON U

45

CPUO2

PWM1 55

SLD MON V

46

CPVO2

SLED VOLTAGE

SLD MON W

CPWO2

MONITER

47

8

UO1

UI1 56

18

CPUI1

SPINDLE

VI1

6

VO1

1

MOTOR

19

CPVI1

DRIVE

WO1

WI1

U

4

2

M601

W

V

20

CPWI1

(SPINDLE)

17

COM1

SPINDLE

VOLTAGE MONITOR

OE 48

CPWO1

BIAS

CPVO1

CPUO1

52

53

54

CLV MON W

CLV MON V

CLV MON U

	CLK	D	(Page 34)
VRECO
B+
• SIGNAL PATH
: PLAYBACK
: REC (ANALOG IN)
: REC (DIGITAL IN)
: USB CHECK OUT
230
EFMO	DIN1	A	(Page 33)
DIN1 190
ADDT 195	ADDT	B	(Page 33)
AOUTL	AOUTL,
	AOUTR	C	(Page 33)
AOUTL 155
AOUTR
AOUTR 156
234 MNT3
UDP 134		3	DATA+
UPUEN 135
UDM 133		2 DATA–
UOSCI 137	CN701 (1/2)
	(USB CONNECTOR)
X802
48MHz
UOSCO 138

208TFDR

207TRDR

209FFDR

210FRDR

220SFDR

84	SLD MON
219	SLDR	SLCU 225	SLD MON U
			SLD MON V
		SLCV 226
221	SLDV		SLD MON W
		SLCW 227
222	SLDW
213	SPFD
76	SPDL MON
212	SPRD
		SPCU 216	CLV MON U
214	SPDV
		SPCV 217	CLV MON V
215	SPDW
		SPCW 218	CLV MON W
74	XRST MTR DRV

32 32