Schematic Diagram - Panel Section - Sony HT-ST7 Service Manual

4-19. SCHEMATIC DIAGRAM - PANEL Section -

1 2 3
DISPLAY BOARD
A
D804
SL-194S-WS-SD-T
POWER
INDICATOR
B
Q803
LTC023JUBFS8TL
LED DRIVE
C
D
CN801
15P
JL824
E4V 1
JL825
LED_PW 2
JL826
LED_BT 3
JL827
LED_MUTE 4
JL801
DGND_FL 5
E
FFC6 DGND_FL 6
JL802
FL_RESET 7
JL803
>05S
8V 8
8V 9
MAIN
JL804
BOARD
FL_DATA 10
JL805
(6/7)
FL_CS 11
CN1005
JL806
(Page 40)
FL_CLK 12
JL807
DGND 13
JL808 R803 47
F SIRCS 14
JL809 R802 47
E3.3V 15
C802 R801
100 3.3k
10V
G
11
H
HT-ST7
• See page 52 for Waveforms. • See page 52 for IC Block Diagrams.
4 5 6
C817 C818 C819
0.1 0.1 0.1
D805 D806
CL-194S-HB8SP-SD-T SML-D12D8WT86SQ
Bluetooth
MUTING
INDICATOR
R816 R817 R818
100 100 100
2 2 2.6
0 0 0
Q804 Q805
LTC023JUBFS8TL LTC023JUBFS8TL
LED DRIVE LED DRIVE
R812
100
R815
100
IC801
R813
100
REMOTE CONTROL RECEIVER
IC801
PNA4823M02S0 R814
100
1 2 3
5 4
IC802
+3.3V REGULATOR
C805
10 IC802
MM1836A33NRE
1 2 3
R805
1k C816 C811
1 0.1
JL811
C807
1
L801 T801
100uH
DC/DC CONVERTER
C806
TRANSFORMER
4700p
JL828
2 1
C803
12
0.015
3
JL829
4 9
7.9 7.9
-0.3 -0.3
5 8
Q801 Q802
11
KTC3552T KTC3552T
OSC OSC 6 7
7 8 9 10
ND802
FLUORESCENT INDICATOR TUBE
38 37 34 33 32 31 30 29 28 27 26 25 24
R810
47k
R808
10
C810
0.1
R809 C812 C813 C814 C815
10 0.01 220p 220p 220p
R804
33k
C808
10
50V
C809 R806 R807
0.1 100 100
C824
220p
49 49
11 12 13 14
KEY BOARD
CN751
5P
FFC7 DGND 1
JL751
KEY0 2
JL753
>06S
KEY1 3
JL754
KEY2 4
MAIN
2 1 JL755
BOARD
DGND 5
(6/7)
CN1007
(Page 40)
C751
0.1
HT-ST7
15 16 17 18
R751 R754
2.2k 2.2k
C752 C755
0.1 0.1
S751 S752 S755 S753 S754
/
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