Schematic Diagram - Power Board, Dcac Board, Headphone Board - Sony STR-K790 Service Manual

STR-K790
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4-21. SCHEMATIC DIAGRAM – POWER BOARD, DCAC BOARD, HEADPHONE BOARD –
3 7 6 3 1 5 1 5 0
1 2 3
DCAC BOARD
A
CN2001
9P
MAIN BOARD PORT_R (CNP733) 9
(1/4)
B
PORT_GND (CNP733) 8
CNP733
(Page 27)
PORT_L (CNP733) 7
6
MAIN BOARD -7V (CNP732)
(1/4) E
+/-7V GND (CNP732)
5
CNP732
(Page 27) +7V (CNP732)
4
B
DC-CONTROL 3
DISPLAY
BOARD
L
BLANK 2
CNP102
(Page 32) DCAC_OUT (CN102)
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CL2004
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1.2k
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CL2006
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C2012
0.022
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HEADPHONE BOARD
CNP790
4P
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HP_DETECT 1
HP_R 2
MAIN
BOARD
HP_GND 3
(4/4)
HP_L 4
CN701
(Page 30)
POWER BOARD
S152
3 1 5 1 5 0 8 9 2
S115
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220
330
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PHONES
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CNP152
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3P
1 AD1
DISPLAY
BOARD
2 PW_SW
CN101
3 GND (Page 32)
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