Power Supply Lines - Sanyo PLV-55WHD1 Service Manual

■ Power Supply Lines

● Power supply circuit and protection circuit
MAIN
K8G
5 6 2-3
5 6 2-3
K6E
CONVERTER
Q646
IC651
19V
SWITCHING
REGULATOR
IC641
SWITCHING
REGULATOR
K6C
1 3
1 3
CN1
K6A
IGNITOR
CN3
AC INPUT
6V
9V
1.8V
3.3V
33V
S5V_CPU
P_FAIL
S5V
K8F
2-3 5-6
2-3 5-6
K6D
6V
16VA
T651
TRANS.
17V
IC601
P.F.
CONTROL
Power-On : H
Stand-by : L
Stand-by : L
LAMP CONTROL CIRCUIT
CN2 K8L
COVER SW
K18S
SW1861
PRIMARY
LAMP
COVER
CIRCUIT
SW
AV
A5V
9V A9V
D1.8V
D3.3V
TU33V
S5V_CPU
L801 S5V_CPU
IC1816 S3.3V
IC5621
1.8V
IC5681 5V
IC5601 3.3V
AUDIO CIRCUIT
BOOSTER
IC181
33V
IC496
15.5V
PANEL_SW
IC5691
9V
FAN CONTROL CIRCUIT
IC1801
DAC
S5V_CPU
76
POWER_ON
IC801
71
PANEL_SW TV CPU
70
DEV_SW
K8S
1 3 K35R
SW902
K18T
THERMAL
SW
RED
JOINT
LCD
PANEL
K18U K18V
-94-
L6081
6.5V
IC6050
A3.3V
IC6080
TU5V
IC6070
TU1.8V
L6113
TU3.3V
IC6090
D2.5V_DDR
P_FAIL
D496,97
IC496
1.2VDG
DEV_SW
D1801
L1801 5V_DAC
IC9491 3.3VA
R5294
Q5291
3.3VD
R494
Q491
3.3VDG
DEV_SW
D4891,92
D5691
D5101
8.7VA
Power Fail : L
16
IC1861
P_FAIL_CPU
17
COMPARATOR
P_FAIL_P_CPU
IC1831
4 12
R/C_CPU
INVERTER
65
P_KEY
K8T K8K
K35G K35B 1
GREEN BLUE
LCD LCD
PANEL PANEL
KEY
DIGITAL
D6082
D6071,72
1
4 3 2
LED