Sanyo PLC-WXU300 - Power Supply and Protection Circuit; Detailed Power Supply and Protection Schematic

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Chassis Block Diagrams
CHO_RXD
CHO_TXD
P_FAIL
ON_3.3V
FAN_ERR
ON_15V
S5V
1.0V
S6V
S16V
D3601
D8082
D5624/D5623/D5622
S3.3V
LINE FILTER
BOARD
LAMP
BALLAST
1 45
5
4
1
X2
K8H
1 3
K8S
K6D
X1
K6CK6B
LAMP
AC CORD
K6R K8R
POWER
R/C
MAIN
IC621
P.F.CONTROL
<FA550>
12
1
1
2
3
2
6 5
11
10
9 8
7
101
1
4
T651
D662
D661
D663
D664
PC671
Power-On:H
Power-On:H Power-On:H Power-On:H Power-On:H
Power-On:H
P-Fail:H
LAMP_DET (Power-On:L)
LAMP_SW (Power-On:L)
P-Fail:L
PC661
IC631
POWER OSC.
<MR4010>
Feedback
S6V
S16V
S-7V
ON_15V
LAMPDC_ON
IC4891
NAND
S6V
S16V
9 8 6 5 3
IC8831
TEMP. SENSOR3
<MCP9801>
(LAMP) (PANEL) (OUT SIDE)
IC8821
TEMP. SENSORƝ
<MCP9801>
IC8811
TEMP. SENSOR1
<MCP9801>
LAMP_DET
439
2 13
16
15
10
20
14
281 253 35
ON_5V
148
Power-On:H
ON_1.8V
339
Power-On:H
FAN_DC_ON
135
LAMP_DC_ON
20
41, 154
SCL0
SDA0
IC9882
INVERTER
SW901
16V_FAN
FAN_A
Q7812
Q7804
D3613
D592/D591
2
IC5621
S1.8VPW
S1.8VPWA
IC5842
S2.6VPW
IC5851
S1.8V
IC5860
15V_PNL
POWER-SW
FAN_C
Q7862
Q7841
IC7811
IC592
D3614
FAN_CON_C
FAN_CON_B
ON_3.3V
3.3V
Q3582
ON_3.3V
LF601
SW902
Thermal SW
Lamp Cover SW
S3.3VPW
3.3V_STB
D3644
D8902
D8093/D8094/D8092
FAN_B
3.3VGAM
ON_5V
D3611/D3602
12V
IC5542
D3604/D3603
S12V
IC5543
PC663
11
POWER_SW
Q5701
S-5V
ON-1.8V
IC8081
IC1501
D3616/D3612
12-AMP
IC5601
ON_5V
S1.2VSI
IC8091
ON_1.8V
Q5751
POWER_ON_LAN
P-Fail:L
P_FAIL_LAN
Q5830
POWER_SW
3.3V_STB
SS3.3V
2
IC301
SYSTEM CONTROL
LAMP_SCI
IC9885
SUB CPU
POWER_SW
POWER_ON_LAN
Power-On:H
3.3V_LAN
3.3V_MCU
S3.3VSI
S3.3VPWA
IC5602
FAN_DC_ON
FAN_CON_A
IC7841
Power supply & protection circuit