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Printed Wiring Boards - Main/headphone Boards - Sony HCD-EP50LIV Service Manual

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Q Q
3 7 6 3 1 5 1 5 0
6-10. PRINTED WIRING BOARDS – MAIN/HEADPHONE Boards –
1
2
(INCLUDED IN MAIN BOARD)
A
8
4
5
1
3
B
K
A
FM OSC
CN13
FM ANT
L902
75Ω
FM
COAXIAL
RF
1
2
K
A
C
3
1
CN12
1
AM ANT
D
2
E C B
HEADPHONE
(Page 24)
BOARD
T E
L
F
1 3 9 4 2 2 9 6 5 1 3
1
DISPLAY
BOARD
2
3
SW1
6
5
4
AM FREQ
–2
–1
U9
STEP
E
9
8
7
9kHz
r
PHONES
JK401
10kHz
1
5
F
+
L
G
CN17
SPEAKER
(IMPEDANCE USE 8Ω)
+
R
H
8
w w w
.
1
I
POWER BOARD
E
(Page 26)
3
4
5
MAIN BOARD
8
U2
3
2
1
TP
(FM VT)
U1
T8
T6
A K A
AM OSC
AM RF
5
1
5
1
3
4
4
6
2
2
2
1
4
3
4
3
1
5
3
TP
(AM VT)
B C E
B C E
8
U6
1
U3
U11
B C E
E C B
2
U8
U7
x
a o
y
1
3
2
1
3
2
i
E C B
CN601
http://www.xiaoyu163.com
8
6
7
8
REC/PB/ERASE
9
AM IF
4
3
4
2
5
1
5
B C E
5
4
5
1
1
2
3
2
U14
Q
Q
3
7
6
3
E C B
U15
3
1
U10
u 1 6 3
.
DISPLAY
DISPLAY
C
D
(Page 24)
(Page 24)
BOARD
BOARD
23
23
http://www.xiaoyu163.com
2
4
9
9
8
• Semiconductor Location
9
Ref. No.
D1
HPRE101
D2
HEAD
D3
D4
D5
D6
D7
1
2
3
D8
D10
D11
6
5
4
D12
U12
D16
D17
D18
D19
D20
D23
D24
D25
D26
D29
D32
D33
D35
IC901
Q1
Q3
Q4
E C B
Q5
Q6
Q7
Q8
1
5
1
5
0
8
9
2
4
9
Q9
Q10
Q11
Q12
Q13
Q14
Q15
Q16
Q17
Q18
B
(Page 24)
DISPLAY
BOARD
A
(Page 24)
DISPLAY
BOARD
* CD
BLOCK
* SUPPLIED AS THE
ASSEMBLED BLOCK
TAPE
MECHANISM
BLOCK
m
c o
HCD-EP50LIV
2
9
9
Location
Ref. No.
Location
D-2
Q19
H-4
D-2
Q20
H-3
Q21
G-5
I-5
C-9
Q22
G-5
D-4
Q24
E-5
Q25
E-5
F-7
H-7
Q26
D-8
H-5
Q27
C-9
D-3
Q28
C-8
D-3
Q29
C-9
G-6
Q30
C-7
I-3
Q31
B-9
G-6
Q32
D-9
Q33
D-9
G-6
G-7
Q34
B-8
G-5
Q35
B-9
Q36
D-9
G-5
I-3
Q37
H-8
E-3
Q38
H-8
D-8
Q39
H-8
D-9
Q40
H-8
Q41
A-8
B-7
A-7
Q45
D-8
I-3
Q46
D-7
Q47
I-3
C-1
Q901
B-1
A-6
U1
C-5
B-6
U2
B-4
B-3
U3
F-4
A-7
U6
F-5
E-3
U7
H-5
U8
H-4
F-3
D-8
U9
E-3
9
8
2
9
9
H-6
U10
H-6
U11
G-4
D-3
A-6
U12
B-8
H-6
U13
C-8
E-3
U14
D-8
E-8
U15
G-8
G-6
F-3
Z1
A-6
B-6
Z2
H-6
Z4
I-4
D-9

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