Block Diagram; Power Supply Block Diagram - Panasonic PT-EZ770Z Service Manual

SECTION 4 SCHEMATIC DIAGRAMS

1. Block Diagram

1.1. Power Supply Block Diagram

AC INLET
!
POWER
K9002
! SW9002
K9001 !
CORD
E
P1
F
D
C
B
A
1 2
THERMAL FUSE
!
K9006B
L9002 L9001
LINE LINE
FILTER
FILTER
IC9203
TRIAC
DB9201
RECTIFIER
T9201
IC9201
PFC
MOD FET
PFC CONTROL
Q9201, Q9202,
Q9204
P-P.C.BOARD
!
3 4
T9162
SWITCHING
TRANSFORMER
IC9183
CONTROL
IC
T9251
IC9202
LLC
SWITCHING
CONTROL
TRANSFORMER
IC
18V
380V
1 2 4 HOT COLD
K9201
BQ-P.C.B
!
Q5
1
UART TXD
2
SYNC
ACT
5
(LAMP ON+SYNC)
3
UART RXD
COLD
HOT
B1
F9602
1
4
18V
5 6
DIA-2
K9301
1
AC ON/OFF
2
MAIN_POW_ON
3
4
5
STBY6V
6
7
8
9
10
17V
11
12
13
14
-7V
15
K9302
1
2
FAN13.5V
3
4
5
6
Q-P.C.B
PHOTO-
ISOLATOR
CPU
PC9204-5
IC9701
Q2
B2
Q9611 Q9615
380V
Q9602
Q9603
IGNITER
BLOCK
L9603
L9604
HALF Q9612 Q9616
D9629 C9624
BRIDGE
D9630
DRIVER
STEP DOWN
IC9609
CHOPPER
7 8
B-P.C.B
LAMP
!
B5
IC9610 B6
HALF
BRIDGE
DRIVER
9