Printed Wiring Boards - Main Section - Sony ST-SE570 Service Manual

ST-SE570
5-2. PRINTED WIRING BOARDS – MAIN Section – •
1 2
AC SW BOARD
1
A
POWER
11
2
(11)
1-681-061-
TRANSFORMER BOARD
B
2
1
POWER TRANSFORMER
C
5
1
D
E
F
• Semiconductor Location
Ref. No. Location Ref. No. Location
D251 E-5 IC301 E-6
D901 E-5 IC801 B-7
D902 D-5 IC901 D-7
D903 C-5
D904 C-5 Q301 E-8
Q302 E-8
D905 C-6
D906 B-5 Q303 E-7
D907 C-7 Q304 E-7
Q801 C-8
D908 C-7
Q901 C-8
IC201 E-9
See page 9 for Circuit Boards Location.
3 4
MAIN BOARD
PC901
1
AC IN
BRN
2
BLU
*
* NOT REPLACEABLE :
BUILT IN TRANSFORMER
11
(11)
1-681-062-
1
5
(CHASSIS)
5 6 7
(Page 12) (Page 12)
B DISPLAY BOARD A DISPLAY BOARD
CN701 CN702
9 8
9
8
1
5
8
1
4
1 3
CNJ251
EON CONTROL
OUT
10 10
8 9
16
1
E
E
7
9 16
8 1
E E
E E
1-681-057-
L R
LINE OUT
10
TB101
TUNER PACK
SUPPLIED WITH
THE ASSEMBLED
BLOCK
75Ω
FM
COAXIAL
ANTENNA
AM
11
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