Sony MDS-NT1 service manual 4AA 3AA

MDS-NT1

6-5. SCHEMATIC DIAGRAM – BD Board (1/2) – • See page 38 for Waveforms. • See page 48 for IC Block Diagrams.

(1/2)

TP701

CN101

21P

	C701
TP616	0.1
VEE	E
TP615
E	D
TP614
D

R707

4.7k

Q704

2SA1576A-T

-1 -2

Q702

FMW1-T-148

R701	Q701-704	R702
	HF MODULE	1k
1k
	SWITCH
	Q701	Q703
	UN5214-TX	UN5214-TX

	C704	0.047
	L701
R703	R705	IC701
1k	10k
		TLV2361CDBV

R710 R713

47k 10k

C702 R706

4.72.2k

		R709
		2.2k
R704	C703	R708
47k
	0.1	4.7k

R712 100

COMPARATOR

R711

10k

A1

A2

A3

A4

A5

A6

L202	C299
	0.1

A7

	TP613	C
	C	F
	TP612
	F	I
	TP611
	I
	VC	A
	TP609
	A	B
	TP608
	B	J
	TP607
	J
	TP606	C101	4.7
	VCC
	L601
	LD-GND
	L602
	ILCC
	L603
	MOD
	VR		R103
	TP605		4.7k
	PD
FLEXIBLE	K	AA1
	TP604
BOARD	FCS+	AA2
	TP603
	FCS-	AA3
	TP602
	TRK+

C105

10

6.3V

L201

C106

I

J

A

B

C

C109	TP207	C111	C114		1BB	2BB
			2200p
0.047		0.01
TP205		TP209	C112	TP213

0.022 TP215

OFR OM	FIRO M	OFR	OPN	OPO	ADDC	COMPP	COMPO	AGCI	CGFA R	FR	EAKP
I											BOTM
J											ABCD
VC											FE
A											AUX
B											ADFG
C					RF AMP,						ADAGC

TP163	BB3
TP219	BB4
	BB5
TP218	BB6
TP217	BB9
C119	1

RDR S	RDF S	4AA	3AA	RFD T	RDR T
							L401
					C410		A8
	C490					C411
					100		L402
	0.1					4.7
					6.3V
							A9
					C407
	2DD	1DD			0.1
C406
0.01
							A10

TP601	AA4
TRK-

10D

6.3V

E

F

TP204

C107 0.022

R110

470k

TP203

R105

3.3M

R108

2.2k

C116

D				FOCUS/TRACKING							ADIN
					ERROR AMP
E											ADFM
					IC101
F				CXA2523AR							SE
PD											CSLED
APC											TE
APCREF	IPM TE	RPM ET				XSTBY	FOCNT		EQADJ	3TADJ	WBLADJ
DN G			SWDT	SCLK	XLAT			VREF			CCV

	C118
	0.0047
TP216		BB7
C120	0.068
		BB8
	R120
	33k
	R119
	22k
TP214		L203

FOCUS/TRACKING		GND CAPA- VG CAPA+ IN4R	IN2R IN4F IN2F	VM4 VM2 OUT4F	OUT2F PGND4 PGND2 OUT4R OUT2R VM34	VM12 OUT3R OUT1R PGND3 PGND1 OUT3F OUT1F VM3 VM1 IN3F IN1F IN3R
	COIL DRIVE,						A11
SPINDLE/SLED							IN1R PSB VDD
MOTOR DRIVE
	IC401
	BH6519FS
		C405
		0.1
C409	R405	DFP	DRP	3D
0.1	0				4D		(Page 41)
						R

Q201

4.7

S S D D 2A 1A RD D

C103

0.01

UN5113

-TX

LASER ON

SWITCH R104 470k

C117

0.01

TP11
C110				TP212
0.001
	FRT D	FRK C	FRL X	R112	C113
				100k	0.0068
R111	D101
10k	1SS355TE-1

R114	R116	C115	R117
4.7k	3.3k	0.1	100k
R113	R115
10k	10k
			R118
			2.2k

A	A	FF	FR
			A12

C122

0.033

A13

C121

0.01

	I+3V	R102	R106	R107	C104		C108
		1	100k	680	0.1		0.1
	IOP				Q203
	GND	R101			UN5113
TEST PIN	BB8	2.2			-TX
(FOR ADJUSTMENT)	TE
	BB5
							R109
	FE	Q202
							4.7k
	VC	2SB798
	BB1	-T1D
					Q202,203
	RF
					AUTOMATIC
	CN105				POWER CONTROL				OVER WRITE
	7P								HEAD DRIVE
	TP404
									IC181
	DD1
M102									MC74ACT08D
	DD2								TR2
(SLED)
							Q181
					Q181,182
							2SJ518ATZR
	TP403				OVER WRITE
	TP402				HEAD DRIVE
	DD3	TP504 TP503		TP502 TP501			D501
M101							F1J6TP
	DD4		BG1
(SPINDLE)
					R501	C550	D502
	TP401				0	22
						10V	F1J6TP
							R551
							47k
	CN104						Q182
							2SK2788VYTR
HR901	2P				C501		R552
								C504	C502
					470p
OVER WRITE							47k
					630V			10	0.1

HEAD

A14

TP143

A15

A16

47k	1.0
R553	C503	C505

100

6.3V

L550

A17

L502L501

A18

A19

40 40