Sony Walkman MZ-NF520D, Руководство по обслуживанию

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MZ-NF520D
40 40
6-3. PRINTED WIRING BOARD – MAIN BOARD (SIDE B) –
:Uses unleaded solder.
• Semiconductor
Location
Ref. No. Location
D171 D-11
D302 C-11
D371 D-12
D605 C-3
D652 I-11
D653 C-6
D654 B-6
D851 B-11
D901 D-8
D902 E-9
IC501 E-7
IC601 B-2
IC651 B-5
IC801 E-4
IC852 D-2
IC901 D-9
Q651 B-7
Q652 B-7
Q653 C-6
Q654 C-4
Q672 B-5
Q871 C-11
IC852
IC801
IC601
IC901
IC651
IC501
MAIN BOARD (SIDE B)
E
E
E
E
E
S
E
OVER WRITE HEAD
SWITCH
&
LCD MODULE
HOLD
OFF
ON
11
(11) 1 - 8 6 1 - 6 9 8 -
(PROTECT)
D R Y B A T T E R Y
S I Z E " A A "
( I E C D E S I G N A T I O N L R 6 )
1 . 5 V
BATT-(GND)
1
M
10
U
U N
V
W
N V
W
M602
(SLED)
M601
(SPINDLE)
M603
OVER WRITE
HEAD UP/DOWN
*
CSP(Chip Size Package)
*
CSP
(Chip Size Package)
(VC01)
(VCOUT)
(REG03)
(REGO1)
(VREC)
1 2
A
B
C
D
E
F
G
H
I
J
K
3 4 5 6 7 8 9 10 11 12 13
1 3
4 5
(TEST)
(OPEN/CLOSE)
1 16
17
32
33 48
49
64
(US)
(US)
10
1
1
14