Part 4 Detailed Circuit; Main Board - Daewoo DSL-19M1WC Service Manual

1. Power
VCC12 1R2 1R3 1D1
1U1
100k 10k SS34
4 5
VCC OUT1
3 6
OCSET OUT2
2 7
EN VSS1
1EC1 1 8
+
FB VSS2
220u
25V
AP1510
1C1 1C2
100n 100n
1Q1 1 POWER-OFF
2N3904
1R6
1k
VCC12 1R10 1R11 1D2
1U2
100k 10k SS23
4 5
VCC OUT1
3 6
OCSET OUT2
2 7
EN VSS1
1EC3 1 8
+
FB VSS2
220u
25V
AP1513
1C5 1C6
100n 100n
VCC5 1C11
1FB1 FB 100n
R0805
1EC7
+
220u 1R14
16V 10K
1R15
100
PANEL-PW 1R16 1 1Q2
1K 2N3904
1CON1
1
2
3
1C14
4
VCC3.3 100n
5
1R17
到背光板 4.7K
1R18 BL-EN
100

Part 4 Detailed Circuit

MAIN BOARD

1L1 VCC5
47uH/3A
1R1
3.3k 1R7
1C4 1EC2 1C3 2.2k
+
10n 470u 100n
25V
1R4
3k
1R5 1D3
1.2k
HZ5V1
1L2 VCC3.3
33uH/2A 1L3
1R9
+
2k 1C7 1EC4 1C8
+
10n 220u 100n
16V
1R12 1EC5 1C9
1.8k 100u 100n
16V
1R13
1.2k
1U4
SOP8
1 8 PNL-VCC
S D
2 7 VCC5
S D
3 6
S D
4 5
G D
FDS9435
1JP1
DC12V-IN
1L5 VCC12 1
1EC10
+
100u25V
1L6
DC-GND
DC12V JACK
VCC12
1R8
2.2k
VCC5
VCC5-STB
1L9
1L7
1EC13 1C17
+
100u 100n
25V
1U3 VCC5
AIC1117-1.8 VCC1.8
3 2 1L8
VIN OUT
GND
+
1
1C10 1EC6
100n 100u
16V
VCC5
1C18 1C19 1C20 1C21
100n 100n 100n 100n
VCC5_TUNER
+3.3VCC
1C24 1C25 1C26
100n 100n 100n
保险丝用铜箔短路,暂时不接
1F1 FUSE 4A/NC
DC+12VCC
1206-B
1L4 1C13
100n
FB/NC
FB0410
55
VCC-DVD
1C15 POWER-OFF
+
100n
PNL-VCC
1EC11
100u
16V
PANEL-PW
BL-EN
VCC-DVB
VCC3.3
+3.3VCC
1C16
+
100n +3.3V_ADC
1L10
1EC12 +3.3V_DVDD
100u 1L11
16V +3.3V_AVDD
VCC1.8
+1.8VCC
1L12
+1.8V_DVDD
1L13
+1.8V_AVDD
VCC5_TUNER
1C22 1C23
VCC12
100n 100n
VCC5
VCC5-STB
VCC3.3
VCC-DVD
VCC-DVB
1C27 1C28
100n 100n GND
GND DGND
VCC12
1T1
TRANSFORMER 1C12 1EC8 1EC9
+ +
100n 470u 220u
25V 25V
POWER-OFF
PNL-VCC
PANEL-PW
BL-EN
+3.3VCC
+3.3V_ADC
+3.3V_DVDD
+3.3V_AVDD
+1.8VCC
+1.8V_DVDD
+1.8V_AVDD
VCC5_TUNER
VCC12
VCC5
VCC5-STB
VCC3.3
VCC-DVD
VCC-DVB
GND