Power Supply Circuit And Protection Circuit - Sanyo PLV-Z800 Service Manual

Chassis Block Diagrams

Power supply circuit and Protection circuit

FAN CONTROL
MAIN BOARD
UNIT_POWER
FAN14,5V
PRIMARY
CIRCUIT
T101
CONVERTER
TRANS.
PC101
BRIDGE P.F.
DIODE CONTROL
CN101 CN102
PC1951
SW902
THERMAL SW
ECO
POWER
K6A CN101
IGNITOR
K601
AC INPUT
K8A
S16VF
CN201
S16V 17.5V 17.5V
S6.5V 6.5V 6.5V
S5V S5V S5V
S-5V -5V -5V
POWER_ON_SW
Power-On : H
SS3.3V
IC4601
SS6V
STANDBY_SW
Power-On : H
FAN_CONT0
FAN_CONT1
FAN_CONT2
UNIT_LAMP
FAN_CONT3
BALLAST
Power-On : H
Lamp-On : H
MAIN_ON_SW
Stand-by : L
Stand-by : L
Stand-by : L
CN201 K8P
S3.3VPW
Lamp Error: H
PC202 RX_LAMP
PC201 TX_LAMP
PC203
Lamp-On : L
IC5781 8VM IC5781
IRIS_PWR_ON
IC7671 Q7672 -6VPNL
-6V_SW
IC7631 9VPNL
IC7691
9V_SW
IC5771 5VIRIS
IRIS_PWR_ON
IC5686
1.8V_SW
IC7641
L7641 3.3VPNL
IC8081 S3.3VSI
ON_1.8V
IC5621
ON_2.6V
IC5641 S3.3VPWA
IC5601 S3.3VPW
IC6691 S3.3VFP
IC7661 3.3VPNL
3.3V_SW
L6881 S1.2VFP
IC6681
L6683
L6684
D1001
D1081
D1082
D1083
5VDDC
5VPC
S3.3V
IC5661 IC5651
IC8091 S1.8VSI
IC5661 S2.6PW
IC7611
1.0VGA
3.3V_SW
IC7651
2.5VPNL
3.3V_SW
IC7601
3.3V_SW
Q891
65
176
66
177
437 IC301
FAN_SW
SYSTEM
25
CONTROL
140
15V_SW
247
1.8V_SW
346
3.3V_SW
13
12
3
10
8 5
power-On : H
STANDBY_SW
LAMP_SW
K8Q
K8803
SW8803
LAMP SW
LAMP SW BOARD
- 80 -
D5791
5VI-REF
D7631
15V_SW
D5771
D5686
5V
D8082
S1.8VPW
D6691
D7661
S1.2V_DETECT
-6VPNL
S1.2VPA
9VPNL
S1.2VPD
5VPNL
5VDDCH
3.3VPNL
2.5VPNL
S1.8VPWA
ON_1.8V
D8092
ON_1.8V
1.0VGA_DETECT
D7651
D7601
3.3VGA
Power Fail : L
D888
5V
PFAIL_GROUP1
PFAIL_GROUP2
178,67
PFAIL_DCT1/2
292
WIRELESS_REMOTE
350
IC4801
PIC
R/C
SUP_CPU
K8J
K28D
RECEIVER
R/C
BOARD
BLUE
LCD
PANEL
GREEN
LCD
PANEL
RED
LCD
PANEL