Schematic Diagram - Display Section - Sony STR-DG520 Service Manual

5-23. SCHEMATIC DIAGRAM – DISPLAY Section –
1 2
DISPLAY BOARD
A
2 5 6 7 8 9 10 11 12
R199
3 . 3 (US,CND)
B
2 . 2 (EXCEPT US,CND)
C
D
E
F
G
STR-DG520
• See page 43 for IC Block Diagrams.
3 4
FL101
VACUUM FLUORESCENT DISPLAY
13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
C144
0 . 1
11G
10G
- 1 8 . 5
33 32 31 30 29 28 27 26 25 24 23
9G
- 1 8 . 5
34 GRID9 SEG9
8G - 1 8 . 5
35 GRID8 SEG8
7G
- 1 8 . 5
36 GRID7 SEG7
6G - 1 8 . 5
IC100
37 SEG6
GRID6
5G - 1 8 . 5
38 GRID5 SEG5
IC100
4G
- 1 8 . 5
PT6315
39 GRID4 SEG4
3G - 1 8 . 4 FL DISPLAY DRIVER
40
GRID3 SEG3
2G - 1 8 . 5
41 GRID2 SEG2
1G
- 1 8 . 4
42 GRID1 SEG1
4 . 9
43
VDD VDD
44 VSS VSS
C101
0 . 1
IC B/D
1 2 3 4 5 6 7 8 9 10 11
C161
10
R118
50V
82k
C112 220p
R121
10
C111 220p
C110 220p
R117
100
R116
100
R115
100
CN101
3P
CL125
AD1 1
POWER
CL127
O
BOARD PW_SW 3
CL128
CNP152
GND 4
(Page 35)
5 6
35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 53
R198
3 . 3 (US,CND)
2 . 2 (EXCEPT US,CND)
9P
- 1 0 . 4
22
- 1 4 . 6 8P
21
7P
- 1 2 . 8
20
- 9 6P
19
- 1 0 . 9 5P
18
4P
- 1 8 . 3
17
- 2 0 . 2 3P
16
C146
C145 C147
- 1 8 . 3 2P
10 50V
0 . 1 220p
15
1P
- 1 0 . 9
14
4 . 9
13
C100
12
0 . 1
14 13 12 11 10 9 8
1 2 3 4 5 6 7
R107 R106 R105 R104 R103
2 . 2 k 1 . 5 k 1k 680 470
2CH A.F.D. MOVIE MUSIC DISPLAY INPUT MODE
R110
470
+
TUNING
37 37
7 8
C151
RV102
0 . 1
MASTER VOLUME
C107
2200p
C106
2200p
RV101
INPUT SELECTOR
C150
0 . 1
R120
10
IC103
NJL24H400A
C105
10 50V
1 2
VCC
OUT
GND
3 . 3 3
C114 R119
IC101
0 . 2 2 100
3
IC101
TC74ACT08P
IC103
BUFFER
REMOTE CONTROL
SIGNAL RECEIVER
R102 R101
330 220
ANALOG MUTING
DIRECT
R109 R108
330 220
- TUNING MEMORY/
MODE ENTER
STR-DG520
Ver. 1.1
9 10
CN104
3P
CL121
MAIN
1 -20V
CL120 BOARD
F
3 F1
(3/3)
CL119
4 F2 CNP930
(Page 25)
CNS102
17P
CL103
1 DC-CONTROL
CL104
2 GND
3 GND
CL105
4 +3.3V(STDBY)
CL106
5 +5V
CL107
6 VOL_JOG_2A
CL108
7 VOL_JOG_2B
CL109
DIGITAL
8 PW_SW
CL110
L BOARD
9 SIRCS
(3/3)
CL111
10 AD2 CNS513
CL112
(Page 30)
11 AD1
CL113
12 FL_LAT
CL114
13 FL_DIN
CL115
14 FL_CLK
CL116
15 INPUT_JOG_4A
CL117
16 INPUT_JOG_4B
CL118
17 DCAC_IN
DCAC
W101
Q
BOARD
CN2001
(EXCEPT US,CND)
(Page 35)
EXCEPT US,CND MODEL