Read Panasonic PT-RZ770 / PT-RW730 / PT-RZ660 / PT-RW620 (serv.man2) Service Manual online
DIA-2
SECTION 4 SCHEMATIC DIAGRAMS
< RZ770/RW730/RZ660/RW620 >
1. Block Diagram
1. 1. Power Supply & LD Driver Block Diagram
COMPARATOR
IC8004
3.3V
12V
CS
CLK
CLK
W-DATA
R-DATA
R-DATA
LD1-1
LD1-2
LD1-3
8
9
2
1
10
11
12
13
3
4
5
6
Q8007
Q8008
PC8001,PC8002
Q8009
Q8010
Q8011
Q8016
PC8003,PC8004
FET DRIVER
FET DRIVER
FET DRIVER
FET DRIVER
LD2-1
LD2-2
LD2-3
11
9
10
12
7
5
3
1
8
6
4
2
Q8023
Q8024
PC8005,PC8006
Q8025
Q8026
Q8027
Q8032
PC8007,PC8008
DRIVER CPU
IC8002
1
2
11
10
3
4
6
9
12
7DR-P.C.Board
1
LD1 TEMP
RZ660/RW620 only
7
8
7
F9001
RECTIFIER
PFC
7
F9003
1
8
PFC
CONTROL
380V
18V
7
F9300
1
3
7
F9100
+3.3V
+3.3V ECO
STB_ON
+5V
LOWB_ON
AC_OFF
AC_OFF
+3.3V
7
F9200
AC VOLTAGE
DETECT
18V
7D9006
Q9000,Q9007,Q9008,
D9017,D9018
IC9000
IC9001
IC9002
7RL9001
Q9209
IC9202
PC9201,PC9301
HOT
COLD
7PC9204
7T9100
IC9103
7T9200
IC9203
7T9300
IC9300
AC90DET
AC OFF DET
MAIN ON
NORMAL STB ON
DG
-P.C.B (DG
12)
DG
-P.C.B (D
G1
)
PHOTO
ISOLATOR
SWITCHING
TRANSFORMER 3
SWITCHING
TRANSFORMER 1
SWITCHING
TRANSFORMER 2
7SW9001
P1L
P1N
7
2
7P-P.C.Board
18V
LINE
FILTER
LINE
FILTER
7LF9001
7LF9002
5
+ 18V
+ 12V
+3.3V STB
DC/DC
+5V STB
+ 12V
AC_90V
A-P.C.B (A1)
1
5
6
2
9
11
13
15
10,12
18
7AC INLET
7POWER CODE
P1
7
K-P.C.B
Q9203
DR1
DR2
1
2
3
6
4
DR3
DR6
DR4
1
4
POWER
CONTROLL
CPU
SHUNT
REG
18V
380V
Q9702
Q9710
D9708
D9707
L9703,
L9704,
L9705
7T9700
IC9700
IC9710
7PC9705
7PC9700
7PC9701
IC9704
IC9711
Q9715
Q9703
F9700
SWITCHING
TRANSFORME
R
PHOTO
ISOLATOR
PHOTO
ISOLATOR
3.3V REG
IC9706
9V REG
IC9708
SW
IC971
3
CONSTANT
CURRENT
CONTROLL
HOT
COLD
CH1-ANODE
CH2-ANODE
CH1-CATHDE
CH2-CATHDE
3.3V
12V
LD_ERROR
LD_ERROR
CS
CLK
CLK
W-DATA
R-DATA
R-DATA
UART_TXD
UART_RXD
Driv
er
ON
/O
FF
DRV_SY
NC
R_Enable
G_
Enable
B_
Enable
DRV_Writ
e
DRV_MCLR
DRV_EMUD
DRV_EMUC
12
V
DG-P.C.Board (DG9)
1
2
11
10
3
4
6
9
12
7
8
D2
2
3
9
8
4
5
6
7
10
11
12
13
D4
D1
(Upper)
7D-P.C.Board [LD2]
P4
P5
P6
1
4
POWER
CONTROLL
CPU
SHUNT
REG
Q9702
Q9710
D9708
D9707
L9703,
L9704,
L9705
7T9700
IC9700
IC9710
7PC9705
7PC9700
7PC9701
IC9704
IC9711
Q9715
Q9703
F9700
SWITCHING
TRANSFORMER
PHOTO
ISOLATOR
PHOTO
ISOLATOR
3.3V REG
IC9706
9V REG
IC9708
SW
IC971
3
CONSTANT
CURRENT
CONTROLL
HOT
COLD
UART_TXD
UART_RXD
Driv
er
ON
/O
FF
DRV_SY
NC
R_Enable
G_
Enable
B_
Enable
DRV_Writ
e
DRV_MCLR
DRV_EMUD
DRV_EMUC
12V
DG-P.C.Board (DG9)
1
2
11
10
3
4
6
9
12
7
8
D2
2
3
9
8
4
5
6
7
10
11
12
13
D4
D1
CH1-ANODE
CH2-ANODE
CH1-CATHDE
CH2-CATHDE
LD_ERROR
18V
380V
7D-P.C.Board [LD1]
(Lower)
LD1-1
LD1-3
LD1-2
LD2-1
LD2-3
LD2-2
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