Schematic Diagram - Display Board - Sony STR-KS2000 - Blu-ray Dvd Receiver Component Service Manual

6-23. SCHEMATIC DIAGRAM - DISPLAY Board -

1 2 3
DISPLAY BOARD
A
B
63 62
68
C
D
E
F
G
H
I
J
STR-KS2000
• See page 40 for Waveforms. • See page 41 for IC Block Diagrams.
4 5 6 7
FL700
FLUORESCENT INDICATOR TUBE
49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34
23 24 25 26 27 28 29 30 31 32 33
-16.5
22
SEG9 GRID9
-18.8
21 SEG8
GRID8
-18.8
20
SEG7 GRID7
-14.2
19 SEG6 GRID6
IC700
-14.2
18
SEG5 GRID5
-23.3
FLUORESCENT
17 SEG4 GRID4
INDICATOR TUBE DRIVER
-27.9
16
SEG3 IC700 GRID3
-25.8
uPD16315GB-3BS
15 SEG2 GRID2
-16.5
14
SEG1 GRID1
5
13 VDD
12
VSS
C708
10
50V
11 10 9 8 7 6 5 4 3 2 1
31
C709
0.1
C762
220p
C764 R750
82k
1000p
C763
220p
8 9 10
15 14 13 12 11 10 9 8 7 6 5 4 1
C704
0.1
R702
R706
470
22
R705
22
C705
0.1
C706
10
50V
C750
220p
C751
220p
C752
220p
IC B/D
C753 220p
-28.8
34
220p
-28.8 C754
35
-28.8 C755 220p
36
220p
-28.8 C756
37
C757 220p
-28.8
38
C758 220p
-28.8
39
C759 220p
-28.8
40
C760
-28.8 220p
41
-28.8 C761 220p
42
5
VDD 43
44
VSS
C707
0.1
33 33
11 12 13 14
T700
TRANSFORMER
DC-DC CONVERTER
1 2
L700
47uH
3
9 4
R703 32
470
8 5
Q801
CPH5504-TL-E
7 6
OSC
D701
MA111-TX
D700
MA111-TX
C701
0.022
C703
R701 C711 4700p
10
10k 50V
C702
0.01
STR-KS2000
15 16
R700
1.8k
C700
10
0
50V
6
-2
6
-1
0
33
CN700
8P
8
FL LAT
7 FL CLK
J
6 FL DATA
5 +5V
IR
4 GND
BOARD
CNP700
3 GND
(Page
2 +6V
34)
1
POWER SW
S707
/