Read Sony HT-SS380 / STR-KS380 Service Manual online
STR-KS380
STR-KS380
28
28
5-20. SCHEMATIC DIAGRAM - DISPLAY AND KEY-POWER Board -
• See page 8 for Waveforms. • See page 31 for IC Block Diagrams.
R717 22
R722 22
R723 33k
CNS701
13P
1
2
3
4
5
6
7
8
9
10
11
12
13
POWER SWITCH
DGND
DGND
1
2
3
FL LAT
FL CLK
FL DATA
POWER SW
SIRCS
VOL JOG
ADKEY1
STBY +3.3V
+3.3V
DGND
FLGND
+5V
CNP702
3P
C702
4700p
C701
0.022
R701
3.9k
C700
47
16V
C729
0.1
C704
33
35V
L700
22uH
R703
33k
C705
0.1
R702
47
C706
33
35V
R706 100
R708 100
R708 100
R707 100
R713 2.2k
R714 1k
R712 2.2k
S700
S702
C737
0.1
C738
0.1
R715
22
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
GRID11
GRID10
GRID9
GRID8
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
SEG14
SEG15
SEG16
SEG17
GRID7
82k
R705
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG17
SEG16
SEG15
SEG14
GRID2
GRID3
GRID4
GRID5
GRID6
GRID7
GRID8
GRID9
GRID10
GRID11
GRID1
2
3
5
6
8
7
1
9
4
Q701
CPH5504-TL-E
OSC
CL728
CL704
CL705
CL706
CL704
CL705
CL706
CL707
CL708
CL709
CL702
CL710
CL711
CL711
CL712
CL714
C707
0.1
C709
0.1
C728
0.1
C703
0.01
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
1
9
8
7
6
5
1
2
51
36 37 38 39 40 41 42 43 44 45 46 47 48
52
C730
10
CL700
CL701
Q700
S701
D728
DZ2J062M0L
1
SW1
2
SW2
3
SW3
4
SW4
5
OSC
6
DOUT
7
DIN
8
CLK
9
STB
10
KEY1
11
KEY2
12
VSS
13
VDD
14
SEG1
15
SEG2
16
SEG3
17
SEG4
18
SEG5
19
SEG6
20
SEG7
21
SEG8
22
SEG9
23
SEG10
24
SEG11
25
SEG12
26
SEG13
27
SEG14
28
SEG15
29
SEG16
30
VEE
31
SEG17
32
GRID11
33
GRID10
34
GRID9
35
GRID8
36
GRID7
37
GRID6
38
GRID5
39
GRID4
40
GRID3
41
GRID2
42
GRID1
43
VDD
44
VSS
C708
10
D726
MC2840-T112-1
D727
MC2840-T112-1
C736
0.1
CL731
CL732
CL733
CL734
CL735
CL736
CL737
CL738
CL739
CL740
CL741
CL742
CL743
CL744
CL730
CL729
CL726
CL725
CL724
CL723
CL722
CL721
CL727
CL717
CL716
CL703
CL718
CL719
CL720
CL745
D725
SDPW31H1E0100-B2
F
F2
SOUND FIELD
INPUT SELECTOR -
INPUT SELECTOR +
WHITE LED
VCC
OUT
GND
OUT
GND
R718
22k
R719
10k
C734
0.01
25V
C733
0.01
1
5
4
-25.0
-25.0
-25.0
-25.0
-25.0
-25.0
-25.0
-25.0
-25.0
3.3
-20.2
-20.1
-15.7
-18
-27.0
-27.0
-27.0
0
-24.8
3.3
2.0
0
3.3
3.1 3.2
-27.7
-15.5
-24.7
-24.7
-17.9
-20.2
-27.2
-24.9
-25.0
-27.0
-15.7
MASTER
VOLUME
VOLUME
RV700
ROTARY ENCODER
REMOTE
CONTROL RECEIVER
IC701
PNA4823M02S0
T700
DC/DC
CONVERTER
RT1N141C-TP-1
LED DRIVE
1
2
3
R750
1k
S755
CNP750
3P
DGND
DGND
C750
0.1
POWER SWITCH
FLUORESCENT INDICATOR TUBE
DRIVER
IC700
PT6315
FL700
FLUORESCENT INDICATOR TUBE
KEY-POWER BOARD
DISPLAY BOARD
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
IC701
10
11
IC700
A
MAIN
BOARD
(2/5)
CN1005
(Page 18)
0
3.4
3.4
-0.1
0
-0.1
5.8
3.3
0.1
IC B/D
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