
9
5
6
7
8
1
2
3
4
A
B
E
F
D
C
DIA-2
SECTION 4 SCHEMATIC DIAGRAMS
1. Block Diagram
1.1. Power Supply Block Diagram
THERMAL FUSE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
4
1
2
3
4
5
6
AC ON/OFF
MAIN_POW_ON
T9201
IC9201
T9162
K9301
K9302
SWITCHING
TRANSFORMER
T9251
IC9202
K9201
SWITCHING
TRANSFORMER
PFC
MOD FET
IC9183
CONTROL
IC
LLC
CONTROL
IC
18V
380V
Q9201, Q9202,
Q9204
PFC CONTROL
K9006B
LINE
FILTER
HOT
COLD
1
5
3
PHOTO-
ISOLATOR
PC9204-5
CPU
IC9701
Q5
Q2
B1
1
4
HALF
BRIDGE
DRIVER
HALF
BRIDGE
DRIVER
IGNITER
BLOCK
B5
B6
18V
B2
380V
STEP DOWN
CHOPPER
Q9602
Q9603
D9629
D9630
L9603
L9604
C9624
IC9610
IC9609
Q9615
Q9616
Q9611
Q9612
B-P.C.B
Q-P.C.B
COLD
HOT
F9602
LAMP
BQ-P.C.B
2
UART TXD
UART RXD
ACT
(LAMP ON+SYNC)
SYNC
!
!
!
!
LINE
FILTER
L9002
SW9002
L9001
STBY6V
17V
FAN13.5V
-7V
!
!
!
P1
K9002
K9001
DB9201
IC9203
RECTIFIER
TRIAC
P-P.C.BOARD
POWER
CORD
AC INLET
A-P
.C.BO
ARD (
A25)