Printed Wiring Board - Bd Board - Sony MDS-NT1 Service Manual

6-4. PRINTED WIRING BOARD – BD Board –
1 2 3
A
BD BOARD
(COMPONENT SIDE)
B
C
8 5
1 4
D
(REC)
E
(PLAY)
F
G
(OUT)
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
Q182 C-9
IC101 H-10
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
4 5 6 7
HR901
OVER WRITE
HEAD
(LIMIT IN)
E
C
B
E
2C C
1C
B
2B
E 1B
B
C
E
B
C
E
1-683-807-
FLEXIBLE BOARD
OPTICAL PICK-UP
BLOCK
(KMS-262E)
8 9 10 11
BD BOARD
(CONDUCTOR SIDE)
(SLED)
+
–
M
7 1
IC181
S
8 14
D
G
S
D
G
30
1
26 31
1 26
IC152 IC201
13
60
14
13 61
E
C
B
3 2 1
I+3V 7
IOP
IC701
GND
4 5
TE
FE
VC
1
RF
E C
B
(SPINDLE)
C
48 37
1 36
IC101
12 25
13 24
12
(12)
39 39
12 13 14
A MAIN BOARD B MAIN BOARD
CN101 CN102
(Page 42) (Page 42)
IC195
3 1
3 4
IC933
2 1
1
120 2
3 1
IC926
91
90
2
1 32
M101 M
IC401
16 17
(LOADING)
+
–
M
S102
1-683-807-
MDS-NT1
15
S102-1
REFLECT
-1
RATE
DETECT
S102-2
PROTECT
-2
DETECT
12
(12)