Sony HCD-EP50LIV, Service Manual

Page: 22 / 46

HCD-EP50LIV
22 22
MAIN BOARD
(1/3)
4
MAIN BOARD
(1/3)
6
MAIN BOARD
(2/3)
7
POWER
BOARD
CN601
E
DISPLAY
BOARD
F
5.7
9.1
0.5
{9.4}
0
{10.2}
0
{0.7}
8
14
{13}
14
{13}
0
0.7
1.1
0
1.1
0
0
0.6
0.6
0.7
0
17.5
17.5
17.5
35.5
0
4
{10.2}
14 {0.1}
14
{13}
14
{13}
0.1
13.2
{13}
14
{13} 12.1
0.7
12.5
0.7
0
{10}
14
{9.8}
13.3
{12.5}
13.6
{13.1}
8.4
3.7
3.7
5
1
1
8
CN
5P
CN2
4P
8
5
4
6
7
9
1
2
3
PHONES
JK401
VCC
GND VCC
GND
U9
HEADPHONE AMP
Q22
2SD1616
MUTING
Q21
2SD1616
MUTING
U11
POWER AMP
Q9, 12
+8V
REGULATOR
Q15
536N
REGULATOR
CONTROL SWITCH
Q19, 20
B+
SWITCH
Q47
+12
REGULATOR
U7
+12V
REGULATOR
U10
+9V
REGULATOR
U8
+5V
REGULATOR
AM FREQ
STEP
9kHz
r
10kHz
+
+
–
–
R
L
SPEAKER
(IMPEDANCE USE 8
Ω
)
CN17
O G
I
O G
I
O G
I
–1
–2
i
i
i
i
i
i
MAIN BOARD
(3/3)
HEADPHONE BOARD
16V
0.022
50V
0.1
68
1W
R163
5.6k
50V
50V
0.01
0.1
0.001
0.1
0.001
50V
50V
0.001
0.1
0.1
0.001
0.022
0.022
0.1
0.1
50V
50V
1SS133T
1SS133T
1SS133T
1SS133T
1SS133T
1SS133T
1SS133T
1SS133T
2SD1616
3.9k
1SS133T
1SS133T
470 16V
6-9. SCHEMATIC DIAGRAM – MAIN (3/3)/HEADPHONE Boards –
(Page 20)
(Page 20)
(Page 21)
(Page 27)
(Page 25)
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com