Sony STR-KS2000 Service Manual - Page 33

Schematic, Diagram, Display Board

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STR-KS2000 6-23. SCHEMATIC DIAGRAM - DISPLAY Board - • See page 40 for Waveforms. • See page 41 for IC Block Diagrams. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 DISPLAY BOARD A B 68 63 62 C D E F G H I J FL700 FLUORESCENT INDICATOR TUBE 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 15 14 13 12 11 10 9 8 7 6 5 4 1 D704 MAZ8068GMLS0 -18.8 27.9 27.9 -27.9 -21.2 -18.5 -25.7 -25.6 -25.8 -25.8 -25.8 C708 10 50V C709 0.1 23 24 25 26 27 28 29 30 31 32 33 IC B/D SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 VEE GRID12 GRID11 GRID10 -16.5 22 SEG9 -18.8 21 SEG8 -18.8 20 SEG7 -14.2 19 SEG6 -14.2 18 SEG5 -23.3 17 SEG4 -27.9 16 SEG3 -25.8 15 SEG2 -16.5 14 SEG1 5 13 VDD 12 VSS IC700 FLUORESCENT INDICATOR TUBE DRIVER IC700 uPD16315GB-3BS GRID9 34 GRID8 35 GRID7 36 GRID6 37 GRID5 38 GRID4 39 GRID3 40 GRID2 41 GRID1 42 VDD 43 VSS 44 -28.8 -28.8 -28.8 -28.8 -28.8 -28.8 -28.8 -28.8 -28.8 5 KEY2 KEY1 5 STB 5 CLK 0 DIN DOUT 2.8 OSC SW4 SW3 SW2 SW1 11 10 9 8 7 6 5 4 3 2 1 31 C764 1000p C762 220p R750 82k C763 220p C704 0.1 R706 22 R705 22 C705 0.1 C706 10 50V C750 220p C751 220p C752 220p R702 470 R703 470 D701 MA111-TX D700 MA111-TX R701 10k C703 10 50V C702 0.01 C753 220p C754 220p C755 220p C756 220p C757 220p C758 220p C759 220p C760 220p C761 220p C707 0.1 D703 MA111-TX D702 MA111-TX T700 TRANSFORMER DC-DC CONVERTER 1 2 3 9 4 8 5 7 6 L700 47uH R700 1.8k 32 Q801 CPH5504-TL-E OSC 0 6 -2 6 -1 0 C701 0.022 C711 4700p C700 10 50V 33 S707 / CN700 8P 8 7 6 5 4 3 2 1 FL LAT FL CLK FL DATA +5V GND GND +6V POWER SW J IR BOARD CNP700 (Page 34) STR-KS2000 33 33

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STR-KS2000
STR-KS2000
33
33
• See page 40 for Waveforms.
• See page 41 for IC Block Diagrams.
6-23. SCHEMATIC
DIAGRAM
- DISPLAY Board -
BOARD
IR
J
CNP700
IC B/D
33
32
31
-28.8
-28.8
-28.8
-28.8
-28.8
-28.8
-28.8
-28.8
-28.8
5
-16.5
-18.8
-18.8
-14.2
-14.2
-23.3
-27.9
-25.8
-16.5
5
-18.8
5
5
0
2.8
27.9
27.9
-27.9
-21.2
-18.5
-25.7
-25.6
-25.8
-25.8
-25.8
6
0
0
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
uPD16315GB-3BS
IC700
SW1
SW2
SW3
SW4
OSC
DOUT
DIN
CLK
STB
KEY1
KEY2
VSS
VDD
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
VEE
GRID12
GRID11
GRID10
GRID9
GRID8
GRID7
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
50V
10
C708
0.1
C709
1000p
C764
220p
C763
220p
C762
82k
R750
220p
C753
220p
C754
220p
C755
220p
C756
220p
C757
220p
C758
220p
C759
220p
C760
220p
C761
0.1
C707
50V
10
C706
0.1
C705
220p
C750
220p
C751
220p
C752
470
R702
470
R703
0.1
C704
10k
R701
50V
10
C703
0.01
C702
4700p
C711
0.022
C701
47uH
L700
1.8k
R700
50V
10
C700
2
3
5
6
8
7
1
4
9
T700
S707
1
2
3
4
5
6
7
8
8P
CN700
POWER SW
+6V
GND
GND
+5V
FL DATA
FL CLK
FL LAT
MA111-TX
D700
MA111-TX
D701
MA111-TX
D702
MA111-TX
D703
1
7
8
9
10
11
12
6
14
13
15
35
36
34
42
44
43
40
37
39
38
41
46
48
47
45
49
63
62
5
4
68
FL700
MAZ8068GMLS0
D704
22
R706
22
R705
FLUORESCENT
IC700
DISPLAY BOARD
A
10
1
2
J
H
B
13
11
C
7
8
I
14
F
9
6
4
15
16
3
G
D
5
E
12
INDICATOR TUBE DRIVER
FLUORESCENT INDICATOR TUBE
/
TRANSFORMER
DC-DC CONVERTER
-1
-2
CPH5504-TL-E
Q801
OSC
(Page
34)