Sony STR-K790 Service Manual - Page 34

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STR-K790 4-21. SCHEMATIC DIAGRAM - POWER BOARD, DCAC BOARD, HEADPHONE BOARD - 1 2 3 4 5 6 7 8 A MAIN BOARD B (1/4) CNP733 (Page 27) MAIN BOARD E (1/4) CNP732 (Page 27) B DISPLAY L BOARD CNP102 (Page 32) PORT_R (CNP733) CN2001 9P 9 PORT_GND (CNP733) 8 PORT_L (CNP733) 7 -7V (CNP732) 6 +/-7V GND (CNP732) 5 +7V (CNP732) 4 DC-CONTROL 3 BLANK 2 DCAC_OUT (CN102) 1 DCAC BOARD CL2002 CL2001 CL2005 CL2003 C CL2007 CL2004 D CL2006 C2011 0.022 C2012 0.022 C2006 1 50V R2006 1k D2014 C2013 E R2015 33k 1SS133T-72 1 50V R2016 15k C2014 0.47 50V D2013 1SS133T-72 F NJM4565D IC2000 JW2010 JW2011 JW2012 R2017 2.2k Q2001 DTC144ESA-TP 0 DC CONTOROL 7 R2019 2.2k 7 R2018 C2018 1.2k 0.1 Q2002 7 DTA114ESA-TP 0 C2005 33p R2005 1M R2003 10k DC CONTOROL R2000 1k 2 1 3 7 0 0 0 8 7 6 5 C2003 0.033 C2002 1 50V R2001 10k C2001 100p 1 2 3 4 0 0 0 -7 R2008 IC2000 560k AMP C2008 56p R2010 10k C2010 0.033 R2007 10k No mark : FM 9 10 11 12 13 HEADPHONE BOARD J MAIN BOARD (4/4) CN701 (Page 30) CNP790 4P HP_DETECT 1 HP_R 2 HP_GND 3 HP_L 4 6 7 2 1 J790 5 4 PHONES 3 J2000 VIDEO 1 IN/ PORTABLE AUDIO IN/ AUTO CAL MIC POWER BOARD S152 CNP152 3P 1 2 3 AD1 PW_SW GND S114 R135 DIMMER 220 S115 SLEEP R136 330 S116 2CH R137 47 0 S119 MUSIC S118 R139 1k MOVIE R138 680 S117 A.F.D. 14 K DISPLAY BOARD CN101 (Page 32) STR-K790 34 34

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34
34
STR-K790
STR-K790
4-21. SCHEMATIC DIAGRAM
– POWER BOARD, DCAC BOARD, HEADPHONE BOARD –
DISPLAY
BOARD
CN101
(Page 32)
K
J
MAIN
BOARD
(4/4)
CN701
(Page 30)
B
MAIN BOARD
(1/4)
CNP733
(Page 27)
E
MAIN BOARD
(1/4)
CNP732
(Page 27)
L
DISPLAY
BOARD
CNP102
(Page 32)
7
-7
0
0
No mark : FM
0
0
0
0
7
7
7
0
0
J2000
VIDEO 1 IN/
PORTABLE AUDIO IN/
AUTO CAL MIC
1
2
3
8
7
6
5
4
3
2
1
NJM4565D
IC2000
0.022
C2011
0.022
C2012
50V
0.47
C2014
50V
1
C2002
50V
1
C2006
50V
1
C2013
0.033
C2003
0.033
C2010
0.1
C2018
100p
C2001
1k
R2000
1k
R2006
1.2k
R2018
2.2k
R2019
10k
R2007
10k
R2010
10k
R2003
10k
R2001
15k
R2016
33k
R2015
560k
R2008
1SS133T-72
D2013
1SS133T-72
D2014
56p
C2008
1M
R2005
33p
C2005
CL2002
CL2003
CL2004
CL2006
CL2007
2.2k
R2017
DTC144ESA-TP
DC CONTOROL
DC CONTOROL
Q2001
DTA114ESA-TP
Q2002
CL2001
CL2005
1
2
3
4
5
6
7
8
9
CN2001
9P
DCAC_OUT (CN102)
BLANK
DC-CONTROL
+7V (CNP732)
+/-7V GND (CNP732)
-7V (CNP732)
PORT_L (CNP733)
PORT_GND (CNP733)
PORT_R (CNP733)
JW2010
JW2011
JW2012
DCAC BOARD
R135
220
R136
330
R137
470
S114
S115
S116
S117
S118
S119
S152
R138
680
R139
1k
1
2
3
3P
CNP152
AD1
PW_SW
GND
POWER BOARD
J790
1
2
3
4
5
6
7
1
2
3
4
4P
CNP790
HP_DETECT
HP_R
HP_GND
HP_L
HEADPHONE BOARD
PHONES
DIMMER
SLEEP
2CH
MUSIC
MOVIE
A.F.D.
IC2000
AMP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D
E
F