Panasonic PT-LW330 / PT-LW280 / PT-LB360 / PT-LB330 / PT-LB300 / PT-LB280 (serv.man5) Service Manual ▷ View online
-57-
Block Diagrams
DC-DC * 3
DC-DC
3 group fans
Audio amplifier
3 group
LCD panels
S12.5V
FR9888
3_3V_MCU
DC-DC
CXA3828
15.2V
3.3V
Other IC
S5V
S3.3V
3.3VD-PWC
3.3VA-PWC
3.3V-FLASH
FR9888*2
1_8V
1.8V
1.8VD-PWC
S1_8V
1.8V-DDR2
TD5830A
1.0V
1.0VD-PWC
PS29152
TPC6113
2_5V_TX
2_5V_RX
2.5V
2_5V_IO
3_3VSH
3_3VCC3
TPC6113
1_8VDDR
SUB CPU
TD5830
S1V_VCCK
1.0V
S1V_PLL
S1V_LVDS
CXD3551GG
PW868
16V
S1V_PLL
Power control circuit
-58-
Block Diagrams
F2001A/B
VA2001
LF2001
AC FILTER
K2008
K2006
IC2001
FA5612
FPC Control
K2003
1
IC2002
FA5641
Power Control
S16V
S6V
1/2
5/6
K2004
FB
B200
10
PFC_ON
D200
POWER
BALLAST
AC 380V
1
1
5
5
4
4
P3001
P3002
Lamp SW
&
FAN_ERR
LAMP_EN
H: TRUE
H: TRUE
RX
D1
TXD
1
1
C13
D13
D13
ON_5V
ON_1_8V
FAN_SW
ON_15V
ON_3_3V
ON_1_0V
ON_1.0V_P
ON_16V
G2
J3
H5
H2
H3
H4
H1
J1
H: TRUE
H: TRUE
H: TRUE
H: TRUE
H: TRUE
H: TRUE
H: TRUE
H: TRUE
H: TRUE
H: TRUE
H: TRUE
P_FAIL
IC1001
CPU
PW868LHB
*PW/878
W1
L1
P_LAN_FAIL
E24
IC4002
S5V
Q4003
IC5010
IC3901
IC3046
Q3821
Q3811
IC3010
Q4005
S3.3VSI
S1_8V_HDMI_SI
S1V_VCCK
1_8VDDR
3_3VCC3
3_3VSH
2_5V_RX
2_5V_TX
2_5V_IO
S1V_LVDS
S1V_PLL
15_5V
AUDIO_POWER_5_5V
MAIN
S1
6V
S6
V
PF
C_ON
IC1801
MCU
PIC16F1824
3_3SDA/3_3SCL
D21/C21
IC1002
TEMP. Sensor B
AT30TS75
IC1003
TEMP. Sensor C
AT30TS75
IC1902
TEMP. Sensor A
AT30TS75
P_KEY
R17
P_KEY
ON_16V_MCU
PFC_ON
ON_MCU
8
7
2
3
9/10
1/2
5/6
10
PTH SW
120℃
FAN_ERR
D24
FAN FB
D3005
D3006
D3007
D3008
D3006
D3007
D3008
LAMP
P3003
TAN-ERR
D3014
Power and protection loop
*Applicable for PT-LW330/PT-LW280/PT-LB360/PT-LB330
-59-
Block Diagrams
2
3
1
3
2
1
8
5
6
4
Q5001
Q5002
Q5003
12
23
18
29
28
17
16
42
11
39
24
7
OUT_DET_EXT
IC5007
PT2334
IC1001
PW686LHB
K
12
03
PC_R
K
12
03
PC_L
VEDIO_R
K
12
04
VEDIO_L
CLK
LRCLK
DATA
SD_MCU
MUTE
OUTR
OUTL
P
50
04
Audio control circuit
Applicable for PT-LB300/PT-LB280
-60-
Block Diagrams
2
3
1
3
2
1
8
5
6
4
Q5004
29
28
17
16
42
11
39
24
7
12
23
18
OUT_DET_EXT
IC5202
PT2830
IC1001
PW878LHB
K1203
PC_R
K1
20
3
PC_L
VEDIO_R
K1202
VEDIO_L
CLK
LRCLK
DATA
SD_MCU
OUTR
OUTL
P5003
Q5003
Applicable for Applicable for PT-LB360/PT-LB330/PT-LW330/PT-LW280
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