Schematic Diagram - Display Board - Sony STR-DH540 Service Manual

STR-DH540
Ver. 1.2
5-23. SCHEMATIC DIAGRAM – DISPLAY Board –
1 2 3
DISPLAY BOARD
A
B
1 2
C
CN100
8P
L
D
CL100
AD1 1
POWER_BUTTON
CL101
POWER_BUTTON 3
POWER
CL102
DGND 4
CL103
KEY
NC 5
CL104
BOARD +3.3V_STBY 6
CL105 LED_ON
LED_ON 7
CN103
CL106 LED_STBY
LED_STBY 8
(Page 45)
E
AD1
F
G
H
I
J
K
STR-DH540
4 5 6 7
ND100
VACUUM FLOURESCENT DISPLAY
38 39 40 41
VH +30V
R114 R117
1k 2.2k
S108 S109 S110
A.F.D. MOVIE MUSIC
R121 R122 R123
100 100 33k
C113
C116
47
0.01
50V
C112
D101
0.1
DZ2J062M0L
R101 R103
4.7k
4.7k
R102
4.7k
R100
100
C101
C100
100p
8 9 10
IC101
PNA4823M03S0
IC101
3.3 3.3
REMOTE CONTROL
SIGNAL RECEIVER
R129
42 43 44 45 46 47 48 49 50 53 54 33k
C122
CL109
C114
10
0.1
CL110
BK R131 100
CL111 LATCH R132 47
CLOCK
CL112 R133 47
CL113 SI/DATA R134 100
VDD
CL114
R155
0
C117
C123
0.1
1000
6.3V
C115
10 50V
C121
R124
33p
8.2k
R125
8.2k
T100
Q102
DC CONVERTER
QS5W2TR
TRANSFORMER
SWITCHING
TRANSISTOR
7 6
0 4.7
8 5
0 4.7
9 4
C126
C125 R137
C124
220
3 0.022 680
4700p CL141
6.3V
1 2
R159
0
L100
47uH
D102 D103
BAV99-215 BAV99-215
R126 R127 R128 R130
4.7k
2.2k 2.2k 1k
S105 S104 S103 S102 S101
NIGHT MODE INPUT MODE DIMMER DISPLAY PURE DIRECT
AGND
C105
22
16V
C110
C106 R113
C102
R107 R111
0.0022
33p 6.8k
10
4.7k 6.2k
50V
R112
56k
R115
C108
3.5 3.5 3.5 1 1k
50V
R104
4 3 2 1
47k
IC100
NJM2904M
R108
IC100
1k
AUDIO AMP
R105
47k
5 6 7 8
3.5 3.5 3.5 7
1
C103
50V
C104
22
C109
C107
33p
16V 47
0.1
16V
R109 R110
10k 47k
38 38
11 12 13 14
R136
100
R135
10
AD1
POWER_BUTTON
FB102 0uH
Q105
2PD601ART
R146
LED DRIVER
680
5
DCAC_SIGNAL
D104
FL_EN
SLI-325DCT31W
0
LED
R147
R144
(PURE DIRECT)
100k
10k
LED_ON
LED_STBY
R154 Q103
PDTC114ET
D105 470
SWITCHING
SA10QA04
TRANSISTOR
R153
5.3 CONTROL
680
3.3
4.6
Q104
5
2SB1710TL
0.1
5V Out
SWITCHING
FL_EN
TRANSISTOR
CONTROL
C135
0.1
1 1
S120 S121
INPUT MASTER
SELECTOR VOLUME
3 2 3 2
R138 R139
10k 22k
R143 R145
10k 22k
C127 C129
3300p 3300p
C130 C132
3300p 3300p
DGND
FB100 1kohm
DCAC_SIGNAL
15 16 17
CN102
25P
CL115
FL_CK
25
CL116
24 FL_DIN
CL117
23 FL_LATCH
CL118
22 INPUT_JOG
CL119
21 AD1
CL120
AD2
20
CL121
19 SIRC
CL122
18 POWER_BUTTON
CL123
G
17 VOLUME_JOG
CL124
16 +6V_DCDC
CL126
15 FL_GND
DIGITAL
C136
14 FL_GND
10
CL129
BOARD
13 +3.3V_STBY
CL130
DGND (3/7)
12
CL131
11 PURE_DIRECT
CN2101
10 DGND
CL132 (Page 26)
9 MIC_MUTE
CL133
8 DCAC_SIGNAL
CL134
FL_EN
7
CL135
6 AGND
CL136
5 +7V (7807)
CL137
+3.3V_DCDC
4
CL138
3 FL_BK
CL139
2 LED_ON
CL140
1 LED_STBY
M
CN101
3P
FRONT
CL128
3 AGND
JACK PWB
CL125
2 MIC_JACK
BOARD
1 AGND
CN105
(Page 43)