1
2
3
4
A
B
C
D
4
3
2
1
D
C
B
A
R611
5.1K
C603
103
R604
560R
5
6
7
U601B
4558
3
2
1
8
4
U601A
4558
C607
101
R613
5.1K
R606
10K
R610
10K
C606
101
R608
1K
C608
102
R602
22K
-9VA
R617
100K
R621
10R
TC615
47uF/16V
C601
104
R622
10R
TC616
47uF/16V
C602
104
+9V
+9VA
-9V
-9VA
L601 FBSMT
+9VA
OK
-9V
+9V
AGND
OK
DET
2
3
4
1
5
XS601
5P2.0mm
C609
1uF
C611
1uF
C612
1uF
C613
1uF(DNS)
TC620
100uF/16V
R634
4.3K
R631
3.9K
TC618
47uF/16V
R632
3.9K
R633
4.3K
TC617
47uF/16V
H_L
OUT1
1
IN1-
2
IN1+
3
GND
4
VDD
8
OUT2
7
IN2-
6
IN2+
5
U603
TDA1308
R629
3.3K
R630
3.3K
AGND
R636
10K
R635
10K
C616
101
C617
101
H_R
C622
104(NC)
C621
104(NC)
2
3
1
JK601
PHONEJACK
R625 1K
R627
56K
R626 1K
R628
56K
AGND
AGND
TC619
100uF/16V
1
2
3
XS602
3P2.0
A5V
DET
R623
5.1K
A5V
TC605
22uF/16V
A5V
R
6
2
1
R
6
2
2
8
0
m
A
.
通
过
、
的
最
大
电
流
不
能
超
过
C604
1uF
R601
330R
A
K
ZD601
6.2V/0.5W
Q601
8050D
C623
104
A5V
AGND
TC601
1000uF/10V
1
2
C605
104
1
2
R603
22K
TC614
47uF/16V
R605
10k
R607
10k
MIC601
OK
Q602
8050D
R637
0R
28
OK SCHEMATIC DIAGRAM
Содержание DV523S
Страница 1: ...SERVICE MANUAL DV523S...
Страница 12: ...7 MPEG BOARD CHECK WAVEFORM 7 1 27MHz WAVEFORM DIAGRAM 7 2 IC VIPER22 PIN 5 WAVEFORM DIAGRAM 10...
Страница 25: ...FRONT SCHEMATIC DIAGRAM 23...
Страница 26: ...KEY2 Seg2 2 1 XS901 2P 2 0mm K901 STANDBY FRONT SCHEMATIC DIAGRAM 24...
Страница 27: ...FRONT SCHEMATIC DIAGRAM 25...
Страница 29: ...POWER BOARD SCHEMATIC DIAGRAM 27...
Страница 31: ...OK SCHEMATIC DIAGRAM 29...
Страница 33: ...OUTPUT BOARD 31...
Страница 38: ...MIAN SCHEMATIC DIAGRAM 36...