Schematic Diagram - Display Section - Sony STR-DG720 Service Manual

STR-DG720
Q Q
3 7 6 3 1 5 1 5 0
5-28 SCHEMATIC DIAGRAM – DISPLAY Section –
1 2
DISPLAY BOARD
A
CN104
5P
CL022
AD1 1
CL023
PW_SW 2
POWER
B CL024
W
BOARD GND 3
CL063
CN103
TUNING-JOG-A 4
(Page 42) CL064
TUNING-JOG-B 5
CN108
3P
CL028
MAIN
F2
CL029
BOARD I
F1
(3/3)
C CL030
-20V
CNP930
(Page 28)
T E
L 1 3 9 4 2 2 9 6 5 1 3
D
E
F
G
w w w
H
STR-DG720
• See page 56 for IC Block Diagram.
3 4
R107 R106 R105
2.2k 1.5k 1k
S108 S107 S106 S105
2CH A.F.D. MOVIE
FL101
VACUUM FLUORESCENT DISPLAY
2 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 45 46 47 48 49 50
R197
2.2 (AEP,UK)
3.3 (US,CND)
C148
C144
10
0.1
JW103 50V
11G
10G
-16.6
33 32
9G
16.6
34 GRID9
8G 16.6
35 GRID8
7G
16.6
36 GRID7
6G 16.6
37 GRID6
5G 16.6
38 GRID5
4G 16.6
39 GRID4
3G 16.6
40 GRID3
2G
16.6
41 GRID2
1G 16.6
42 GRID1
5
43 VDD
44 VSS
C162
0.1
IC B/D
1 2
JW105
x a o
y
. i
http://www.xiaoyu163.com
5 6 7
R101
R104 R103 R102
680 470 330 220
S104 S103 S102 S101
MUSIC DISPLAY INPUT MODE ANALOG MUTING
DIRECT
R110 R109 R108
220
470 330
S112 S111 S110 S109
- +
MEMORY/ CATEGORY CATEGORY
ENTER MODE
(US,CND)
(US,CND)
SUB BACK
DIMMER SLEEP DECODING
(AEP,UK) (AEP,UK) (AEP,UK)
Q Q
3 7 6
31 30 29 28 27 26 25 24 23
9P
-9.5
SEG9 22
-13 8P
C114
SEG8 21
0.1
7P
-11.3
SEG7 20
-7.9 6P
SEG6 19
IC100
-9.5 5P
SEG5 18
IC100
-16.4 4P
SEG4 17
PT6315
-18.1 3P
C145
SEG3 16
FL DISPLAY DRIVER JW102
2P
-16.4
SEG2 15
-9.5 1P
SEG1 14
5
VDD 13
C115
VSS 12 C160 14
10
0.1
50V
3 4 5 6 7 8 9 10 11
R118
82k
C112 220p
C111 220p
C110 220p
R117 100
R116 100
u 1 6 3
R115 100
44 44
2 4
8 9 9
8 9
RV102
MASTER VOLUME
2
1
3
RV101
INPUT SELECTOR
2
1
3
53
3 1 5 1 5 0 8 9
R198
2.2 (AEP,UK)
3.3 (US,CND)
IC103
NJL24H400A IC103
1 2 3
REMOTE CONTROL
R120
SIGNAL RECEIVER
10
C165 R119
10 100
50V
C147 R180
220p 0
0.1
13 12 11 10 9 8
IC101
BUFFER
1 2 3 4 5 6 7
m
c o
R182
0
.
R181
0
2
8 9 9
10 11
CNS101
19P
CL046
1 TUNING_JOG A
CL047
2 TUNING_JOG B
3 NC
CL003
4 GND(+3.3V)
5 GND(+5V)
CL001
6 +3.3V(STBY)
CL002
7 +5V
CL010
8 VOL_JOG 2A
CL011
DIGITAL
9 VOL_JOG 2B
Q BOARD
10 PW_SW
(2/3)
2 4 9 8 2 9 9
11 SIRCS
CNS506
(Page 32)
12 AD2
13 AD1
14 FL_LAT
15 FL_DATA
16 FL_CLK
17 INPUT_JOG A
18 INPUT_JOG B
CL042
19 DCAC_IN
CNP106
2P
CL004
DCAC
1 DCAC_IN
V
BOARD
2 DCAC_IN
CN2000
(Page 42)