Read Panasonic PT-DZ680U / PT-DZ680E / PT-DW640U / PT-DW640E / PT-DX610U / PT-DX610E (serv.man2) Service Manual online
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5
6
7
8
1
2
3
4
1. 1. Power Supply and Ballast
1. Block Diagram
A
B
E
F
D
C
DIA-2
3
B1
B1
B6
B5
Q9606
Q9607
IC9603
IC9602
Q9610
Q9611
D
S
G
D
S
G
IGNITER
BLOCK
D
S
G
D
S
G
HALF BRIDGE
DRIVER
(MASTER)
HALF BRIDGE
DRIVER
(SLAVE)
STEP-DOWN
CHOPPER
Q9603
D
S
G
Q9615
D
S
G
3
5
4
2
5 3 2 1
Power Cord
2
1
P1
THERMOFUSE
SW101
F101
P3
AC
INLET
LINE
FILTER
LINE
FILTER
LINE
FILTER
RECTIFIER
COLD
HOT
PFC
PFC
REG
REG
SWITCHING
TRANSFORMER
SWITCHING
TRANSFORMER
PHOTO-
ISOLATOR
RECTIFIER
PHOTO-
ISOLATOR
F103
F102
PFC
CORRECTION
P12
P14
P13
1
3
4
5
7
9
11
13
3
4
5
7
9
11
13
1
2
4
6
8
2
4
6
8
2
4
6
7
4
6
7
P4
380 V
18 V
1
4
LAMP
B5
B6
B-P.C.Board 2
(Refer to the lower side of the left for the circuit.)
B-P.C.Board 1
(Refer to the lower side of the left for the circuit.)
P5
1
4
LAMP
B5
B6
P-P.C.Board
Q3
B1
UART TXD
UART RXD
Lamp ON/OFF
Lamp SYNC
UART RXD
Lamp ON/OFF
Lamp SYNC
PHOTO-
ISOLATORS
Q1
B3
Q2
B4
18 V
2.5 V
3.3 V
3.3 V
5 V
12 V
3.3 V
3.3 V
5 V
12 V
15 V (FAN)
STB5 V
STB3.3 V
STB3.3 V
A-P.C.Board
A42
A-P.C.Board A5
A-P.C.Board
A44
2.5 V
2.5 V
3.3 V
5 V
12 V
2.5 V
3.3 V
5 V
12 V
FM-Module
FM2
MAIN/STB
LOW-STB3.3 V
STB 5 V ON/OFF
STB 3.3 V ON/OFF
LOW-STB3.3 V
STB 5 V ON/OFF
STB 3.3 V ON/OFF
A-P.C.Board
A43
2
1
Q3
A-P.C.Board A5
Q3
B-P.C.Board Internal Block Diagram
COLD
HOT
B-Module
Q-Module
15 STB3.3 V
A-P.C.Board
A45
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T9604
!
PC9501,9502~9504
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