Read Panasonic PT-DW740U / PT-DW740E / PT-DX810U / PT-DX810E (serv.man2) Service Manual Simplified online
+
G
R
G
R
G
G
G
G
G
G
G
G
+3.3VSTB
R3887
0
R3888
0
R3880 4.7k
CPU_BLST1
CPU_BLST2
CPULOWB1
CPUPWDOWN
CPUPWDOWN
CPU_CASEOPEN
CPU_LAMPSYNC
CPU_LAMPSYNC
33SCL13
33SDA12
PWG
LAMP1
LAMP2
TEMP
PWR
ARFG
ARFR
TEMP
LAMP1
LAMP2
PWG
PWR
ARFG
ARFR
CPULOWB1
33SDA12
33SDA13
33SCL12
33SCL13
CPU_CASEOPEN
CPU_CASEOPEN
REMOTE_IN
232C_OUT_TXD
232C_OUT_RXD
REMOTE_RE2
CPU_BLST1
CPU_BLST2
CPU_BLST2
CPUPWDOWN
33SDA13
33SCL12
REMOTE_RE2
REMOTE_RE1
REMOTE_FR
REMOTE_IN
CPULOWB2
CPULOWB2
232C_OUT_TXD
232C_OUT_RXD
C3904
100p 50V
C3884
100p 50V
C3901
100p 50V
C3976
16V
0.1u
C3881
16V
0.1u
C3883
16V
0.1u
C3882
1u
16V
C3885
16V
0.1u
C3880
1u
16V
C3878
16V
0.1u
C3877
16V
0.1u
C3879
16V
0.1u
C3975
16V
0.1u
C3974
47u
6.3V
D3902
DA3X101F0L
D3901
DA3X101F0L
D3904
DA3X101F0L
D3903
DA3X101F0L
B3AAB0000199
D3973
B3AAB0000199
D3974
B3AAB0000199
D3972
D3975
B3AGB0000051
D3971
B3AGB0000051
F1J1E104A148
FL3805
FL3805
F1J1E104A148
FL3810
F1J1E104A148
FL3901
F1J1E104A148
FL3821
C0JBAA000377
IC3115
1
INB
2
INA
3
GND
5
VCC
4
OUTY
C0JBAA000377
IC3113
1
INB
2
INA
3
GND
5
VCC
4
OUTY
C0JBAA000377
IC3114
1
INB
2
INA
3
GND
5
VCC
4
OUTY
C0JBAA000362
IC3801
1
IN_B
2
IN_A
3
GND
5
VCC
4
OUT_Y
C0JBAZ001633
IC3116
/OE1
1
2 A1
3 A2
4 A3
5 A4
6 A5
7 A6
8 A7
9 A8
10 GND
11
Y8
12
Y7
13
Y6
14
Y5
15
Y4
16
Y3
17
Y2
18
Y1
19
/OE2
20
VCC
A3
L3810
J0JCC0000168
L3863
J0JCC0000168
L3626
J0JCC0000168
L3628
J0JCC0000168
L3623
J0JCC0000168
L3815
J0JCC0000168
L3831
J0JCC0000168
L3833
J0JCC0000168
L3838
J0JCC0000168
L3824
J0JCC0000168
L3835
J0JCC0000168
L3812
J0JCC0000168
L3834
J0JCC0000168
L3806
J0JCC0000168
L3809
J0JCC0000168
L3808
J0JCC0000168
L3813
J0JCC0000168
L3837
J0JCC0000168
L3625
J0JCC0000168
L3627
J0JCC0000168
L3821
J0JCC0000168
L3811
J0JCC0000168
L3836
J0JCC0000168
L3801
J0JCC0000168
L3807
J0JCC0000168
L3832
J0JCC0000168
L3804
J0JCC0000168
L3814
J0JCC0000168
L3802
J0JCC0000168
L3822
J0JCC0000168
L3805
J0JCC0000168
L3803
J0JCC0000168
L3823
J0JCC0000168
L3971
ELJFA6R8JFB
L-STB3.3V
+3.3V
+3.3V
+5VSTB
+3.3V
+3.3V
+3.3V
+3.3V
+3.3VSTB
+3.3V
L-STB3.3V
+3.3VSTB
+3.3V
+3.3V
L-STB3.3V
L-STB3.3V
LED_LAMP1
232C_OUT_TXD
STB5SW
CPU_BLST2
CPU_CASEOPEN
LED_POW_G
STB33SW
CH_CINEMA
1V9
CPULOWB1
LED_ACF_R
CPU_CASEOPEN
3F5
CPU_LAMPSYNC
1BZ11
UART_RXD2
1BZ11
UART_RXD1
1BZ10
LED_POW_R
33SCL13
CPU_BLST1
RS232CIN_TX
33SCL12
LED_LAMP2
LED_ACF_G
LED_TEMP
RS232CIN_RX
R8_IR_RE
CPUPWDOWN
R8_KEY1
R8_KEY2
232C_OUT_RXD
REMOTE_IN
UART_TXD2
1BZ11
RS232_DET
R8_IR_FR
REMOTE_RE2
UART_TXD1
1BZ10
CPULAMPACT
1BV17
R8_KEY3
33SDA12
33SDA13
R8_SDA
R8_SCL
RM3970
B3RAD0000126
Q3824
DSA500100L
Q3826
DSA500100L
Q3829
DSA500100L
Q3821
DSA500100L
R3876
EXB28V102JX
R3901
EXB28V472JX
R3903
100
R3875
1M
R3942
180
R3911 100k
R3909
4.7k
R3877
100
R3976
680
R3927
100
R3910
180
R3922
180
R3928
4.7k
R3918
270
R3974
820
R3931 100k
R3971
47
R3921
4.7k
R3930
180
R3973
100
R3874
1M
R3912
10k
R3906 2.2k
R3907
100
R3941
4.7k
R3939
100k
R3919
100k
R3920
4.7k
R3904
100
R3908
4.7k
R3978
100
R3902
100
R3943 100k
R3938
270
R3878
100
R3905
100
R3997
22
R3932
10k
R3885 1k
R3998
22
R3926 2.2k
R3884
1k
R3881
1k
R3886
4.7k
R3972
680
R3923 100k
R3882
4.7k
R3929
4.7k
R3975
680
R3977
680
R3889
100
R3873
1M
R3940
4.7k
+3.3VSTB_W4
L-STB3.3V
C0JBAA000362
IC3803
1
IN_B
2
IN_A
3
GND
5
VCC
4
OUT_Y
+3.3VSTB_W4
L-STB3.3V
R3890
10k
R3891
1k
R3893
1k
R3892
10k
C0JBAA000362
IC3802
1
IN_B
2
IN_A
3
GND
5
VCC
4
OUT_Y
width=1ms
BALLAST1
UART TXD1
UART RXD1
GND
Lamp ON/OFF
LAMP SYNC
UART TXD1
UART RXD1
width=1ms
GND
Lamp ON/OFF
LAMP SYNC
BALLAST2
To FPGA2
To FPGA2
OUT_RXD
IR_OUT
IN_TXD
REMOTE_IN
STB5V
GND
IN_RXD
IIC SCL
IIC SDA
OUT_TXD
REMOTE RE
KEY SCAN1
KEY SCAN2
GND
CONTROL PANEL
KEY SCAN3
"NOT"STB3.3V
NORMAL 3.3V
NORMAL=HI / AC DOWN=LOW
REMOTE_IN_REAR
IR_OUT_REAR
GND
CH_CINEMA
To FPGA2
POWER
LAMP1 LED
POWER LED-G
LAMP2 LED
POWER LED-R
ARF_LED_G
ARF_LED_R
TEMP LED
LOW-STB+3.3V
RS232C DETECT
MAIN CPU
MAIN CPU
0.06mA
3.3V
AC OFF DET
STB3.3V ON/OFF
GND
Power
MAIN H/STB L
10mA
0.18mA
GND
10k
13.3k
STB5V ON/OFF
0.24mA
NC
330
LOW-STB3.3V
hFE>56
AND
LOW-STB3.3V
for CONTROL PANEL
A-J
A-J
AND
AND
MAIN CPU
MAIN CPU
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
A1
1
2
3
4
5
6
A43
1
2
3
4
5
6
7
8
A7
1
2
3
4
A8
1
2
3
4
5
A5
1
2
3
4
5
6
7
8
9
10
TOP
LAMP1
LAMP2
TEMP
FILTER
FRONT
IR Receiver
BUFFER
AND
To P-P.C.B (P13)
To S-P.C.B (S1)
To J-P.C.B (J1)
AND
AND
AND
AND
To B/Q-P.C.B (Q3)
To L1-P.C.B
(L11)
To L2-P.C.B
(L21)
9
5
6
7
8
1
2
3
4
A
B
E
F
D
C
13
1.1. A -P.C.Board (6/7)
1. Schematic Diagram
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