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

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