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3-30
3-31
MAIN CIRCUIT DIAGRAMS
1. MAIN POWER CIRCUIT DIAGRAM
C
2N3904
SOT23
1
2
E
B
3
Audio DAC
RFV33
Audio -5V
DVDD3
AVDD5
OP AMP.
Laser Diode 3.3V
DV33
Audio 5V
SD33
DEVICE
Servo 3.3V
AV33
Digital 3.3V
MT1389E
OP AMP.
Audio 3.3V
MT1389E
SDRAM
VCC
A+5V
Audio +5V
TYPE
V18
NAME
Digital 3.3V
Digital 5V
SUPPLY
Audio DAC
MT1389E
A-5V
Digital 1.8V
1
2
C
B
E
2N3906
3
1C3
1C10
FB:0.92 V
FB:0.92 V
INDEX&POWER
VCC_5V
DVD_5V
BAT_OUT
V18
DV33
SD33
RFV33
STANDBY
POWER_DET1
AUDIO_5V
9V_IN
BAT_OUT
V+
5
V
LCD_5V
9V_IN
DVD_5V
POWER_DET2
LCD_3V3
POWER_DET2
POWER_DET1
POWER_DVD
A+5V
A-5V
RFV33
SD33
DV33
STANDBY
A-5V
A+5V
V+5V
POWER_DVD
LCD_3V3
VCC_3V3
V18
LCD_5V
STANDBY
AUDIO_5V
V+5V
POWER_DVD
BAT_OUT
GND
VCC_5V
BAT_OUT
VCC_5V
VCC_5V
DVD_5V
VCC_3V3
VCC_3V3
DVD_3V3
DVD_3V3
DVD_3V3
VCC_3V3
DVD_3V3
POWER_DET1 6
VCC_5V
4,6
DVD_5V
2,4
V18
2
DV33
2
SD33
3
RFV33
2
STANDBY
6
AUDIO_5V
4,5,8
9V_IN
9
BAT_OUT
4,7,9
LCD_3V3
7
POWER_DET2 6
POWER_DVD
4,6
A+5V
4
A-5V
4
LCD_5V
7
GND
2,3,4,5,6,7,8,9,10
VCC_3V3
6
DVD_3V3
2,3
1C7
0.22uF(224)
1D4
OPEN(SMBJ26A)
1
2
1R4
5.6K
1R7
10K/1%
1TP7
1C8
103
1C24
0.1uF
1C4
0.1uF
1TP20
1R11
6.2K
1TP34
1C26
0.1uF
1C14
0.1uF
1R13
47K
1R10
12K
1R1
100K
1TP32
1L4 0805
1C22
0.1uF
1TP27
1TP10
1C27
OPEN(1uF)
1TP33
1TP6
1R8
2K
1R5
39K
1CE14
100uF/6.3V
1TP35
1R23
330
1C25
0.22uF(224)
1TP14
1Q2
3904
1
3
2
-
+
1U3B
LM393
5
6
7
8
4
1TP26
1C30
0.1uF
1Q1
AF2301P
1
3
2
1TP29
1TP30
1Q4
3904
1
3
2
1C15
0.1uF
1TP9
1C23
0.1uF
1TP3
1R2
10K
1U1
MP1411
1
2
3
4
6
7
8
9
5
10
NC
BS
NC
IN
GND
FB
COMP
EN
SW
SS
1C1
103
1CE18
220uF/10V
1FB6
50
1FB7
FB/1206
1R14
5.1K
1Q6
3904
1
3
2
1FB1 10uH
1C16
0.1uF
1TP22
-
+
1U3A
LM393
3
2
1
8
4
1CE13
100uF/16V
1CE1
220uF/16V
1CE9
100uF/16V
1CE19
100uF/10V
1U4
CM1117SCM223 1.8V
SOT223
2
3
1
4
OUT
IN
GND
TAB
1TP16
1TP28
1C5
3.9nF
1R12
10K
1TP31
1U2
MP1411
1
2
3
4
6
7
8
9
5
10
NC
BS
NC
IN
GND
FB
COMP
EN
SW
SS
1TP36
1L3
OPEN(10uH)
1CE7
47uF/25V
1TP17
1C17
0.1uF
1D3
SS24
1
2
1R26
2K
1R9
24K
1TP12
1R24
10K
1C13
0.22uF(224)
1C32
0.1uF
1C19
0.22uF(224)
1C18
0.1uF
1TP1
1C2
0.22uF(224)
1U5
OPEN(TPS60400)
1
5
2
3
4
OUT
Cf
ly
+
IN
Cf
ly
-
GND
1L1
22uH
1Q3
AF2301P
1
3
2
1TP23
1CE8
100uF/16V
1FB2
FB/1206
1FB3 50
1R25
5.1K
1FB4
50
1R6
10K
1D2
SS24
1CE17
OPEN(10uF/10V)
1TP19
1CE10
100uF/6.3V
1C21
0.22uF(224)
1C9
0.22uF(224)
1C3 0.22uF(224)
1TP13
1TP11
1TP24
1FB8
OPEN(50)
1D1
SS24
1R15
2K
1R17
12K
1R19
10K
1C31
0.1uF
1CE11
100uF/6.3V
1TP2
1R22
620
1R16
2K
1CE3
220uF/6.3V
1L2
22uH
1C11
3.9nF
1CE4
100uF/25V
1CE2
100uF/25V
1TP18
1CE16
OPEN(10uF/10V)
1R21
2K
1FB9
FB/1206
1C20
0.1uF
1R18
47K
1FB5
50
1TP4
1C10
0.1uF
+ 1C28
100uF/6.3V
1CE5
220uF/25V
1J1
POWERJACK
1
3
2
1Q5
AF2301P
1
3
2
1C6
OPEN
1TP25
1R20
5.1K
1R3
10K/1%
1CE20
NC
+ 1CE15
100uF/6.3V
1C12
OPEN
1TP5
1CE12
100uF/16V
1TP8
1TP21
1C29
0.1uF
1TP15
A
1
2
3
4
5
6
7
8
9
10
11
12
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
Содержание LPA-172G
Страница 7: ...2 1 2 1 SECTION 2 EXPLODED VIEWS CONTENTS EXPLODED VIEWS 2 2 CABINET AND MAIN FRAME SECTION 2 2 ...
Страница 13: ......
Страница 16: ...3 9 3 10 LCD PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW TOP VIEW BOTTOM VIEW ...
Страница 17: ......
Страница 33: ...3 26 2 Y IC604 PIN 21 FIG 9 2 3 C IC604 PIN 26 FIG 93 ...
Страница 37: ......
Страница 50: ...3 54 3 55 MAIN PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW ...
Страница 51: ...3 56 3 57 2 MAIN P C BOARD BOTTOM VIEW ...