Sony MDS-NT1 service manual Printed Wiring Board BD Board, Semiconductor Location

MDS-NT1

6-4. PRINTED WIRING BOARD – BD Board –

A

B

C

D

E

F

G

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

	HR901
	OVER WRITE		MAIN BOARD	MAIN BOARD
	HEAD
		A	CN101	B CN102
BD BOARD (COMPONENT SIDE)
		BD BOARD (CONDUCTOR SIDE)	(Page 42)	(Page 42)

(SLED)

–	+
M	7	1
		IC195

IC181

	S
D	8	14
	G

8	5	S	3	4	3	1
		D

				G
						2	1	IC933
1	4
					30	1
			1	26	31	120		2
		1		26
	(LIMIT IN)	IC152				IC201	3	1
(REC)

	13	60	IC926
	14		91
13		61	90
			2

(PLAY)

C

E

E

B

C

B

2C

C

E

1C

B

ADJUSTMENT)

C

PINTEST

FE

7

3

2 1

I+3V

2B

E 1B

IOP

IC701

B

C

GND

4

5

E

B

TE

1

32

E

(FOR

VC

1

RF

M101

M

E

C

B

IC401

(SPINDLE)

	C
		16	17
(OUT)	48	37
	1	36

H

I

• Semiconductor Location

Ref. No.	Location	Ref. No.	Location
D101	I-6	IC933	C-14
D501	C-9
D502	C-9	Q181	C-9
IC101	H-10	Q182	C-9
		Q201	F-7
IC152	D-9	Q202	G-9
IC181	B-10	Q203	E-10
IC195	C-12	Q701	E-7
IC201	D-11	Q702	F-6
IC401	G-13	Q703	F-7
IC701	F-10	Q704	F-6
IC926	E-13

12	IC101	25
13	24	(LOADING)	+

–

M

S102

12

1-683-807- (12)

FLEXIBLE BOARD

OPTICAL PICK-UP

BLOCK

(KMS-262E)

39 39

	S102-1
-1	REFLECT
	RATE
	DETECT
	S102-2
-2	PROTECT
	DETECT
	12
1-683-807-	(12)