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Panel Power - AOC LE24H264 After-Sales Service Manual

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5
POWER & INVERTER CONTRAL
CON?
CON?
12pin/2.0MM
12pin/2.0MM
5V
L1
L1
5VU
0805_BEAD
0805_BEAD
1
5V
2
D
5V
3
L2
L2
C1
C1
C2
C2
5V
0805_BEAD
0805_BEAD
10uF
10uF
470uF
470uF
4
GND
5
GND
3
PW_ON/OFF
6
GND
7
BL-ON/OFF
BL_ON/OFF
BL-ADJUST
8
BL_PWM
9
L3
L3
12V
10
0805_BEAD
0805_BEAD
12VU
12V
12V_IN
11
GND
12
GND
L4
L4
0805_BEAD
0805_BEAD
C8
C8
C9
C9
10uF
10uF
470uF
470uF
LG/CMO/AU panel 0~5V,R27 NC
SAMSUNG panel 0~3.3V R27=10K
1.32V DC-DC
C
U3
U3
5VA
MP1482
MP1482
2
3
VCC
OUT
R18
R18
100k
100k
1482EN
7
EN
1482COMP
6
COMP
CA1
CA1
+
+
C18
C18
C15
C15
1
BST
100uF/16V
100uF/16V
0.1u
0.1u
10n
10n
8
SS
0.01u
0.01u
R20
R20
4.7k
4.7k
C20
C20
4
5
GND
FB
B
3.3V Power_Standby
U1
U1
5VU
VCC3.3V
AMS1117-3.3
AMS1117-3.3
3
2
VIN
VOUT
4
C316
C316
OUT
CA5
CA5
+
+
100n
100n
CA2
CA2
+
+
C413
C413
100n
100n
47uF/6.3V
47uF/6.3V
10uF
10uF
C318
C318
10UF
10UF
ok
2.5V Power_Normal
U5
U5
5VA
2.5V_Normal
AMS1117/2.5v
AMS1117/2.5v
3
2
VIN
VOUT
4
OUT
C535
C535
A
C539
C539
+
+
CA15
CA15
CA17
CA17
C322
C322
100n
100n
10UF
10UF
10UF
10UF
100n
100n
10uF/6.3V
10uF/6.3V
R12
R12
R14
R14
0R
0R
NC
NC
R2
R1
Vout=1.25x(1+(R2/R1))=2.5V
ok
5
4
VCC3.3V
5VU
5VA
12VU
WPM3401
WPM3401
WPM3401
WPM3401
2
3
R30
R30
C24
C24
Q16
Q16
R49
R49
0.1U
0.1U
H:OFF
C27
C27
10K
10K
4.7k
4.7k
L:ON
1U
1U
H:ON
R16
R16
L:OFF
5VA
Q9
Q9
1
3904
3904
5VA
4.7k
4.7k
R23
R23
4.7k/NC
4.7k/NC
4.7K
4.7K
R5
R5
R2
R2
R29
R29
2K
2K
1K
1K
Q7
Q7
BL-ON/OFF
R295
R295
3904/NC
3904/NC
R3 4.7K/NC
R3 4.7K/NC
4.7K/NC
4.7K/NC
1
BL-ADJUST
10K
10K
R6
R6
Q2
Q2
1
3904
3904
C21
C21
R27
R27
Q3
Q3
2.2UF
2.2UF
Ra
1
4.7K
4.7K
R17
R17
BRI_ADJ-PWM3
NC/22K
NC/22K
3904
3904
Ra only for 3.3V PWM output
1.32V
ok
L9
L9
15uH/2A
15uH/2A
4
5
1482OUT
2
1
C19
C19
R19
R19
10n
10n
2K
2K
1.32V
+
+
CA3
CA3
C16
C16
470uF/16V
470uF/16V
0.1u
0.1u
C17
C17
10u
10u
R25
R25
Low ESR
1482FB
4.7K
4.7K
3.3V Power_Normal
U2
U2
5VA
3.3V_Normal
AMS1117-3.3
AMS1117-3.3
3
2
VIN
VOUT
4
OUT
CA6
CA6
C323
C323
+
+
CA4
CA4
C317
C317
10UF
10UF
10UF
10UF
100n
100n
C320
C320
47uF/6.3V
47uF/6.3V
R11
R11
R10
R10
100n
100n
0R
0R
NC/0R
NC/0R
R2
R1
ok
1.8V Power_Normal
U4
U4
AMS1117-1.8
AMS1117-1.8
R31
R31
2.7R_2W/NC
2.7R_2W/NC
5VA
3
2
VIN
VOUT
4
C425
C425
OUT
+
+
CA11
CA11
100n
100n
+
+
CA10
CA10
D1
D1
D19
D19
10uF/16V
10uF/16V
47uF/6.3V
47uF/6.3V
R2
R1
R8
R8
0R
0R
R7
R7
NC/0R
NC/0R
IN4001
IN4001
IN4001
IN4001
ok
如有变更,恕不另行通知。
4
3
12VA
2
3
AMP_12V
Q12
Q12
H:OFF
L:ON
D34
D34
R256
R256
BAT54C
BAT54C
20K
20K
Q18
Q18
R255
R255
C173
C173
1
3
AMP_STB
NC
NC
100uF
100uF
2N3906
2N3906
1N4148
1N4148
BLK_ON
BLK_ON 3
L_AUDIO
3
AMP_LIN
BRI_ADJ-PWM3
3
R_AUDIO
3
AMP_RIN
5VU
LED
VCC3.3V
LEDG
R218
R218
4.7K
4.7K
Q11
Q11
3
LEDG
MMBT3904
MMBT3904
LEDR
R216
R216
4.7K/NC
4.7K/NC
Q13
Q13
3
LEDR
MMBT3904/NC
MMBT3904/NC

PANEL POWER

3.3V Power_Standby
5VU
U16
U16
3.3V LDO 263
3.3V LDO 263
3
2
VIN
VOUT
4
OUT
C38
C38
CA7
CA7
C319
C319
+
+
100n
100n
47uF/6.3V
47uF/6.3V
10uF
10uF
CA8
CA8
10UF
10UF
L5
L5
BEAD
BEAD
VCC-PL
Q4 WPM3401
Q4 WPM3401
P3.3V
VCC-PL
VCC-PL
1
2
2
1.8VA
L10 BEAD
L10 BEAD
C22
C22
5VA
1
2
VCC-PL
0.1U
0.1U
L18 BEAD
L18 BEAD
12VA
VCC-PL
1
2
C321
C321
R34
R34
100n
100n
1K
1K
R40
R40
4.7K
4.7K
Q5
Q5
3
Panel_ON
MMBT3904
MMBT3904
R38
R38
L:ON
H:OFF
NC/10K
NC/10K
3
2
3.3V_Normal
R78 10K
R78 10K
STBY
U602
U602
R254
R254
R258
R258
TPA1517
TPA1517
4.7K
4.7K
4.7K
4.7K
STBY
8
C157
C157
L:MUTE
HP_MUTE_AMP
H:ON
L:ON
0.1uF
0.1uF
1
H:MUTE
R257 10K
R257 10K
AMP_STB
Q19
Q19
1
T3904L
T3904L
9
D33
D33
10K
10K R259
R259
3
C148
C148
1uF
1uF
R244
R244
4.7K
4.7K
C173
C173
100uF
100uF
C147
C147
1uF
1uF
R248
R248
4.7K
4.7K
2
5
10
VCC3.3V
R235 0R
R235 0R
靠近MSD318放置
IRIN
R195
R195
3
IRIN
SAR1
R202
R202
100R
100R
3
SAR1
LED_G
SAR0
R198
R198
100R
100R
3
SAR0
LED_R
ok
S1
S1
S3
S3
HOLE-V8
HOLE-V8
HOLE-V8
HOLE-V8
5
9
5
4
8
4
P3.3V
3
7
3
2
6
2
+
+
C13
C13
100n
100n
TP1
TP1
OPTICAL
OPTICAL
ok
i
VCC-Panel
3
ok
2
1
AMP_12V
12VA
L12 0805 BEAD
L12 0805 BEAD
1
2
C33
C33
C156
C156
1
2
470uF
470uF
0.1uF
0.1uF
L15 0805 BEAD
L15 0805 BEAD
CN601
CN601
C34
C34
470uF
470uF
L30
L30
STBY
4
1
2
LOUT
1
0805 BEAD
0805 BEAD
C36
C36
2
LIN
R75
R75
L31
L31
0.01uF
0.01uF
11
1
2
GND
2K
2K
12
GND
0805 BEAD
0805 BEAD
13
RIN
GND
14
GND
15
GND
16
SVR
GND
17
GND
18
GND
R76
R76
L34
L34
19
GND
20
1
2
GND
2K
2K
CN602
CN602
0805 BEAD
0805 BEAD
C37
C37
2
C32
C32
470uF
470uF
L33
L33
0.01uF
0.01uF
GND
6
1
2
GND
ROUT
1
GND
0805 BEAD
0805 BEAD
5VU
KEYBOARD
R196
R196
100R
100R
C93
C93
0.1u
0.1u
R197
R197
10K
10K
IR_+5V
3
+5VIR
100R
100R
IR-IN
1
IR
VD1
VD1
4
LED_R
LED_R
5
LED_NC
LED_G
KEY1-IN
10
K1
KEY0-IN
11
K0
2
GND
6
GND
7
MUTE
9
EAR_R
8
EAR_L
ok
12
GND
CON5
CON5
12pin/2.0MM
12pin/2.0MM
S4
S4
S2
S2
HOLE-V8
HOLE-V8
HOLE-V8
HOLE-V8
9
5
9
5
9
8
4
8
4
8
7
3
7
3
7
6
2
6
2
6
TP2
TP2
OPTICAL
OPTICAL
TP3
TP3
OPTICAL
OPTICAL
i
i
1
D
C
B
A

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