![background image](http://html.mh-extra.com/html/sony/cmt-ep50/cmt-ep50_service-manual_420330025.webp)
HCD-EP50
23
23
D1
D-2
D2
D-2
D3
I-5
D4
C-9
D5
D-4
D6
F-7
D7
H-7
D8
H-5
D10
D-3
D11
D-3
D12
G-6
D16
I-3
D17
G-6
D18
G-6
D19
G-7
D20
G-5
D23
G-5
D24
I-3
D25
E-3
D26
D-8
D29
D-9
D32
B-7
D33
A-7
D35
I-3
IC901
C-1
Q1
A-6
Q2
C-4
Q3
B-6
Q4
B-3
Q5
A-7
Q6
E-3
Q7
F-3
Q8
D-8
Q9
H-6
Q10
D-3
Q11
A-6
Q12
H-6
Q13
E-3
Q14
E-8
Q15
G-6
Q16
F-3
Q17
B-6
Q18
D-9
E C B
E C B
A K A
B C E
B C E
B C E
E C B
E C B
B C E
B C E
E C B
E C B
E C B
E C B
E C B
E C B
B C E
B C E
B C E
B C E
E C B
E C B
E C B
E C B
E C B
E C B
E C B
E C B
E C B
E C B
E C B
B C E
B C E
B C E
B C E
B C E
B C E
B C E
E C B
E C B
B C E
B C E
B C E
B C E
8
8
1
1
2
6
3
1
2
3
1
1
1
2
2
3
3
2
3
5
5
4
4
5
4
1
5
5
4
4
–1
–2
FM ANT
75
Ω
COAXIAL
EXCEPT
AEP, UK, CH
TP
(FM VT)
CN13
AM ANT
CN12
PHONES
JK401
1
2
AM FREQ
STEP
SW1
9kHz
r
10kHz
L
R
SPEAKER
(IMPEDANCE USE 8
Ω
)
CN17
8
1
R179
U4
FM FRONT-END
1
2
3
5
4
1
2
3
5
4
2
1
3
5
6
4
HPRE101
REC/PB/ERASE
HEAD
TAPE
MECHANISM
BLOCK
*
CD
BLOCK
*
SUPPLIED AS THE
ASSEMBLED BLOCK
U9
U14
U13
U3
U11
U8
U7
U10
U15
1
2
6
5
4
9
8
7
3
5
1
A
B
C
D
E
F
G
H
I
1
2
3
4
5
6
7
8
9
MAIN BOARD
CF2
T8
AM OSC
T6
AM RF
+
+
–
–
HEADPHONE
BOARD
EXCEPT
AEP, UK, CH
EXCEPT
AEP, UK, CH
EXCEPT
AEP, UK, CH
AEP, UK,
CH
(AEP, UK, CH)
(AEP, UK, CH)
(AEP, UK, CH)
(AEP, UK, CH)
(AEP, UK)
EXCEPT
AEP, UK, CH
(INCLUDED IN MAIN BOARD)
4
5
1
1
2
3
3
K
A
K
A
EC
B
FM OSC
L902
FM
RF
TP
(AM VT)
AM IF
(EXCEPT AEP, UK, CH)
6-10. PRINTED WIRING BOARDS – MAIN/HEADPHONE Boards –
Q19
H-4
Q20
H-3
Q21
G-5
Q22
G-5
Q24
E-5
Q25
E-5
Q26
D-8
Q27
C-9
Q28
C-8
Q29
C-9
Q30
C-7
Q31
B-9
Q32
D-9
Q33
D-9
Q34
B-8
Q35
B-9
Q36
D-9
Q37
H-8
Q38
H-8
Q39
H-8
Q40
H-8
Q41
A-8
Q45
D-8
Q46
D-7
Q47
I-3
Q901
B-1
U1
C-5
U2
B-4
U3
F-4
U6
F-5
U7
H-5
U8
H-4
U9
E-3
U10
H-6
U11
G-4
U12
B-8
U13
C-8
U14
D-8
U15
G-8
Z1
A-6
Z2
H-6
Z4
I-4
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location