Read Panasonic PT-RZ21K / PT-RS20K (serv.man2) Service Manual online
DIA-3
BLOCK & SCHEMATIC DIAGRAMS
< RZ21K series >
1. Block Diagram
1. 1. Power Supply Block Diagram
PF3
PF4
P 1 N
P 1 L
P F - P C B
PF5
S W 9 0 0 0
F9100
F9102
F9102
F920
0
F 9 1 0 3
F9000
► Fuse location
1
D1
4
F9000
AC INLET
POWER CODE
SW9000
AC SW
RECTIFIER
(Bridge diode)
PFC
F9101
1
380V_A
P16V_A
380
V_B
380
V_A AC
P16
V_A
P16
V_B
FB
VCC
FB
VCC
FET_deg
AC_V
AC_OFF
RELAY_ON
D9100
Q9100-9102
IC9100
RL9001
FL9000
R9000
LINE
FILTER
F9100
PF-P.C.B
D-P.C.B
RL9000
HOT
COLD
PC9302
PHOTO
COUPLER
T9301
PB-P.C.B
S
W
IT
C
H
IN
G
TR
A
N
S
FO
R
M
ER
T9401
S
W
IT
C
H
IN
G
TR
A
N
S
FO
R
M
ER
IC9401
380V_A
P16V_A
LD1 Driver
1
D1
4
D-P.C.B
380V_A
P16V_A
LD2 Driver
THERMISTOR
PFC
F9200
Q9200-9202
IC9200
F9102
1
6
8
9
10
1
2
6
9
10
11
12
5
5
IC9406
DC-DC
IC9506
DC-DC
Q9417
SW
PF5
PB1
PF3
22
21
29
25,26
PB4
1
2
PB5
2
8
7
8
380V_B
P16V_B
F9
103
1,2,5,6,9,10,13,14,17,18
PB2
16V
16V
16V
16V
16V
5V_STB
3.3V_STB
3.3V_STB
3.3V
12V
1
3
7
5
8
9
12
11
14
PB3
3.3V_ECO
5V
3.3V_STB
STB_ON
LOWB_ON
LOWB_ON
UART_TXD
UART_RXD
PWR_DWN
AC_OFF_ECOSTB
G-P.C.Board
(G3)
A-P.C.Board
(A1)
DG-P.C.Board
(DG3)
G-P.C.Board
(G2)
1
3
PB6
5V_STB (USB1)
5V_STB (USB2)
5V_STB (USB2)
G-P.C.Board
(G36)
Q9413
Q9402
SW
SW
IC9402
REG
IC9301
LLC
CONTROL
IC9405
SWITCHING
REG
Q9304
Q9305
1
PF4
2
8
7
8
6
1
IC9303
RECTIFIER
DRIVER
Q9307
Q9306
PC9501
PHOTO
COUPLER
PC9404
PHOTO
COUPLER
T9501
S
W
IT
C
H
IN
G
TR
A
N
S
FO
R
M
ER
IC9501
2
LLC
CONTROL
Q9501
Q9502
IC9503
RECTIFIER
DRIVER
Q9504
Q9503
FB
PC9302
PHOTO
COUPLER
PC9403
PHOTO
COUPLER
PC9401
PHOTO
COUPLER
PC9406/ PC9407
PHOTO
COUPLER
IC9504
DC-DC
IC9505
DC-DC
VCC
ANALOG FLASH
MICROCONTROLLER
2
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