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

STR-K790
4-21. SCHEMATIC DIAGRAM – POWER BOARD, DCAC BOARD, HEADPHONE BOARD –
1 2 3
DCAC BOARD
A
CN2001
9P
9
MAIN BOARD PORT_R (CNP733)
(1/4)
B
PORT_GND (CNP733) 8
CNP733
(Page 27) PORT_L (CNP733) 7
MAIN BOARD -7V (CNP732) 6
(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)
1
C
CL2007
CL2004
D
E
F
STR-K790
4 5 6
CL2002
JW2010
CL2001 JW2011
CL2005 JW2012
CL2003
R2017
2.2k
R2018
1.2k
R2003
C2005
33p 10k
R2005
1M
7 0 0 0
C2003
0.033
8 7 6 5
C2006
1
50V
C2011
CL2006
0.022
R2006
1k
C2012
0.022
1 2 3 4
0 0 0 -7
IC2000
D2014 C2013
1 R2008
1SS133T-72
R2015
560k
50V
33k AMP
C2008
56p
C2014
R2016
0.47
15k D2013
50V
1SS133T-72
R2010
10k
C2010 R2007
10k
0.033
7 8 9
Q2001
DTC144ESA-TP
DC CONTOROL
0
7
R2019
2.2k
7
C2018
0.1
7
Q2002
DTA114ESA-TP
0
DC CONTOROL J2000
R2000
2
1k VIDEO 1 IN/
1
PORTABLE AUDIO IN/
3
AUTO CAL MIC
C2002
1 C2001
50V 100p
R2001
10k
No mark : FM
34 34
10 11 12
HEADPHONE BOARD
CNP790
4P
J
HP_DETECT 1
HP_R 2
MAIN
BOARD
HP_GND 3
(4/4)
HP_L 4
CN701
(Page 30)
POWER BOARD
S152
S114 S115 S116
R135 R136
220 330
DIMMER SLEEP 2CH
R137
47 0
S118 R138 S117
680
S119 R139
1k
MUSIC
MOVIE A.F.D.
13 14
6
7
2
1
J790
5
PHONES
4
3
CNP152
K
3P
1 AD1
DISPLAY
BOARD
2 PW_SW
CN101
3 GND (Page 32)