Schematic Diagram - Display Board - Sony STR-K685 Service Manual

STR-K685
Ver. 1.2
Q Q
4-17. SCHEMATIC DIAGRAM – DISPLAY BOARD –
3 7 6 3 1 5 1 5 0
1 2 3
A
DISPLAY BOARD
B
2
R199
*
C
*
R199
3.3 : E51,MX
5.6 : SP,SP6,AR,TH
D
E
T E
L 1 3 9 4 2 2 9 6 5 1 3 JW146
JW147
S103
AUTO CAL.
S103
R103
47 0
F
S104
DISPLAY
JW109
G
H
CN101
3P
CL125
AD1 1
CL127
K
PW_SW 2
CL128
POWER GND 3
BOARD
CNP152
I
(Page 32)
w w w
STR-K685
• See page 35 for IC Block Diagrams.
4 5 6 7
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
1G 2G 3G 4G 5G 6G
C144
0.1
11G
10G
33 32 31 30 29 28
-20
9G
34 GRID9
IC B/D
8G -20
35 GRID8
-20
7G
36 GRID7 IC100
6G -20
37 GRID6
FL DISPLAY DRIVER
-20
5G
38 GRID5
IC100
4G
-20
PT6315
39 GRID4
3G -20
40 GRID3
2G -20
41 GRID2
1G -20
42 GRID1
C161 -20
EXCEPT MX 10 43 VDD
50V
44 VSS
R121
10 C101
0.1
1 2 3 4 5 6
R118
82k
R115
100
x a o
y
. i
http://www.xiaoyu163.com
8 9 10
FL101 FLUORESCENT INDICATOR TUBE
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
7G 8G 9G 10G
27 26 25 24 23
-16 9P
SEG9 22
8 8P
SEG8 21
0 7P
SEG7 20
-10 6P
Q Q
SEG6 19
3 7 6
-19 5P
SEG5 18
4P
0
SEG4 17
3P
-21
SEG3 16
2P
-17
SEG2 15
1P
-9
SEG1 14
5
VDD 13
VSS 12
C100
C145
7 8 9 10 11 0.1 C146 0.1
50V 10 JW102
C147
10
220 p
5 5 5
3.3
14 13 12 11 10 9
C112
220p
IC101
TC74ACT08P
C111
220p
C110
R117 220p IC B/D
1 2 3 4 5 6
10 0
R116
100 5 3.3 5 0.7 5 0
IC101
ELECTRONIC VOLUME
C148
220 p
C149
220p
u 1 6 3
30 30
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2 4
8 9 9
11 12 13
CL119
50 53
11G
CL120
R198
CL121
*
RV102 C107
* R198 2200p
3.3 : E51,MX
5.6 : SP,SP6,AR,TH
C106
2200p
MASTER
VOLUME
JW103
10
INPUT
SELECTOR
RV101
C151
0.1
CL115
CL116
CL117
CL11 8
3 1 5 1 5 0 8 9 CL103 2
IC102
REMOTE
JW120
CONTROL RECEVER
5.5
RPM7240-H4
IC102
3.3
1
VCC
OUT
3.3 2
GND R119
10 0
3
C150
0.1
5
8 JW101
7
m
c o
.
2
8 9 9
14 15 16
CN104
3P
1 -20V
I
2 F1
3 F2
MAIN
BOARD
(2/4)
CNP908
(Page 26)
CL104
CL105
CL106
CL107
CL108
CL109
CL110
CL111
CL112
CL113
CL114
CNS102
17P
4 9 1 DC-CONTROL 8 2 9 9
2 GND
3 GND
4 +3.3V(STDBY )
5 +5V
6 VOL_JOG_2A
7 VOL_JOG_2B
H
8 PW_SW
9 SIRCS
DIGITAL
10 AD2 BOARD
(4/5)
11 AD1
CNS513
12 FL_LAT (Page 21)
13 FL_DI N
14 FL_CLK
15 INPUT_JOG_4A
16 INPUT_JOG_4B
17 DCAC_IN
CNP102
2P
1 DCAC_IN (CN2001)
L
2 DC-CONTROL (CN2001)
DCAC
BOARD
CN2001
(Page 32)
No mark : FM