Service Manuals, User Guides, Schematic Diagrams or docs for : LENOXX Audio AD-1845 lenoxx_ad-1845
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5 4 3 2 1
TFT+12V
L4 3U3 C13 103
D D
U4
2
1
R36
5V TFT+5V
IN
BS
100K
CB2 + CB1 + L5 6u8/3A L6 3U3
C15 C35 7 3
EN SW
104 104 R43
8 MP2307DN 5
4u7/16V 100uF/16V SS FP
44K2-1%
COMP
GND
2
R41 C19
C18 + C22 + EC1 + C102
D1
4
6
C20 IN5819
10K-1% 104 104
3
R49 10K 472 47uF/16V 47uF/16V NC
R50
1
1 Q8 C17 C21
3 TFT_POWER:ON
103 100P R40
L6 NC
2
L20 5K6
NC
C C
L8 0R
L13 0R
LED_5V
TFT+5V
D2 IN5819 IC4 3V3
L2 L3 10uH
10uH 1 2 LED+
3 4
VIN VOUT1
EC10 + C33
EC28 + C24 1 2 EC6 + C25
R42 GND/ADJ VOUT
B C31 + C32 B
1uF/50V 104 104
10uF/16V 104
10uF/16V 104 IC5 AMS1117-3V3 10uF/16V
10K
6 1
IN sw
5 2 J1
OV GND 25-45001-02
4 3 LED- 1 - NC 4 TFT+5V
EN FB 1V8
D21 IN4001 IC3
L7 0R
1 2 3 4
2 3 VIN VOUT1
MP3307 R44 R45 + NC
8R2 4R7 EC29 + C29 1 2 EC9 + C30
GND/ADJ VOUT
3
1 10uF/16V 104 104
Q21 AMS1117-1V8 10uF/16V
LED_5V
NC
2
R46 1K J6
Q4
2 3
3
+ NC
A R47 10K LED+ 1 A
AP2301 LED+
1 Q5
3 T.LED:ON/OFF
TFT+5V LED- 1
L6 1 - NC 4 LED-
R48 47K
2
Title
225-8000-02S
Size Document Number Rev
A4 <Power> <4>
Date: Wednesday, December 29, 2010 Sheet 5 of 10
5 4 3 2 1
5 4 3 2 1
L9 2R7KT R52 0R C43 105
8 S_Y
3
C46 C47 R58 T118ES Circuie
D11 3V3
VDD33
681 331 75R L17 10uH
BAV99
2
1
TFT+5V AGND AGND AGND AGND L34 0R R55 2R2 R63 R64
TFT+5V EC27 + C93 C99 C123
L33 NC
EC32 104 104 104
D4 10uF/16V 180R 180R
L10 2R7KT R53 0R C44 684 C126 C125 +
8 CVBS L24 NC
3
D AVDD33 VDD33 VDD18 D
104 104
C49 C48 R59
D12 10uF/16V 5V1
68P 68P NC
BAV99 AGND
3V3 AVDD33 1V8 VDD18
2
1
45
15
38
39
19
30
IC1
5
TFT+5V AGND AGND AGND AGND L23 10uH L22 10uH
VD5A
VDD33PWM
VDD33
VDD18
VD33ADC
VDD33DAC
VDD
CPH2_2 4
L16 2R7KT R54 0R C45 105 Y 47 EC31 + C89 EC30 + C90 C91 C92
8 S_C V 48 AY1 CPH3_3 4
3
AY0 14 104 104 104 104
C51 C50 R61 HSO/POL/VCOM RN1 33R 10uF/16V 10uF/16V
D13 C 1 16 STH1 4 5 STH1_R 4
2 ACR1 VSO/STH1 17 STH2 3 6
681 331 75R ACR0 DEO/INVO/STH2 STH2_L 4
BAV99 18 CPH1 2 7 CPH1 4
B_V 3 CPH1/VACLKO 21 1 8
2
1
ACB1 CPH2/sD0/RL/VADT0/GPO2 CPH2 4
22
TFT+5V AGND AGND AGND AGND CPH3/sD1/UD/VADT1/GPO3 RN2 33R
23 Q1H_MOD 7 4 5 CPH3 4
Q1H/sD2/VADT2 24 OEH 3 6
L18 2R7KT R77 0R C53 684 LP/OEH/VCOM_I/sD3/VADT3 OEH 4
8 BACK_V 25 CKV 2 7 CKV 4
GCLK/CKV/sD4/VADT4
3
26 OEV 1 8 OEV 4
GOE/OEV/sD5/VADT5
D14
C54 C52 R102
1 STV1/sD6/VADT6
27 STV1_D 4 R.G.B Circuit
SDA 28 STV2_U 4
1 STV2/sD7/VADT7
68P 68P 75R SCL
BAV99
1 T118ES 32 IOB IOB
2
1
TSDA IOB 33 IOG
IOG IOG
TFT+5V AGND AGND AGND AGND 1 13 34 IOR IOR
TSCL PWM1 IOR TFT+5V BIAS
36 VCOMAMP
C R100 10R VCOMAMP R29 C
7 37
PWM_LED (+VPWMP/VPWMN)
5 SDA SDA (strap:I2CA3) VCOMDC VCOMDC
5 SCL 8 35
SCL VBGF 10K
R101 10R
10 12 R35 C79 C87 C88
11 XTALI XTCLKO
VS18PLL_VS33PWM
XTALO R106
3V3 104 104 104
Y2 27MHz VDD18 6 1K
RSTB 10K
9
VFBL (+ VFBI)
CPUNIT (strap:I2CA4)
VS33DAC1
R104 R66 R107
VS33ADC
PWM_DC
100R
R26 1M 22K NC
VSS1
VSS2
GND
VFB
R62
R99 75R
BIAS
1K T118ES
C71 C72
41
42
43
44
46
4
20
29
31
40
R103 + EC33
22P 22P
1uF/6V3 R30
NC
10K
C36 105 VR 4
IOR
VFB
VPWM
R37
390R
B BIAS B
R31
10K
TFT+5V Vcom Circuie TFT+5V
VGH&VGL DC-DC Convert
L12 C37 105 VG 4
L11 10uH R78 20K R133 0R R79 1K L15 10uH IOG
VCOMDC R86 100R
D6 BAT54S
EC20 33uH VGL 4
EC25 EC18 + C67 C68 1 R38
C75 +
+
VCOM 4 3 D5 390R
C69 EC19
104 10uF/16V 2
104 104
10uF/16V 105 +
10uF/16V 4u7/25V
10V
BIAS
8
7
6
5
FGND
O/P_B
-I/P_B
+I/P_B
V+
FGND
C76 104
Q6 D7 BAT54S VGH 4 R32
R84 VPWM
C77 2 10K
</pre><br><br>
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