PT-TW371R - Panasonic Projector Service Manual (repair manual). Page 4

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DIA-4
BLOCK & SCHEMATIC DIAGRAMS
<LW375 / LB305 / TW371R /TW370 / XW3370 series>
F2003
 
VA2001
LF2001
K2010
 
AC  FILTER 
K2008
K2001
 
IC621  
FA5613 
PFC Control 
K2100
IC2002 
FA8A01 
Power Control 
S16V 
S16V 
S-5V
P_ON/OFF
 
1
2
3
4
5
6
7
8
9
10
 
K2300 
FB 
T2
 
 
PC2180
BALLAST 
AC 380V 
P3001 
P3002
Lamp SW 
FAN_ERR
LAMP_EN
H:
 
TRUE
 
H: TRUE
TXD1
 
C13
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 
P_FAIL
IC1001 
CPU 
 
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 
S16
S6
P_ON
/OFF
 
IC1801 
MCU 
PIC16F1824 
3_3SDA/3_3SCL 
D21/C21 
IC1002
 
TEMP. SENSOR A  
(PANEL)
 
IC1003 
TEMP. SENSOR B 
(LAMP)  
IC1902 
TEMP. SENSOR  
       (EXT.)  
P_KEY 
R17 
P_KEY 
ON_16V_MCU 
P_ON/OFF
 
ON_MCU 
9/10 
1/2 
5/6 
10 
 
120°C
 
FAN_ERR 
D24 
FAN FB
IC3100
D3005
D3006
D3007
D3008
D3014
 
LAMP 
P3003 
FAN_ERR
FANC_ERR
RXD1
TXD_LAMP
RDX_LAMP
POWER
7
7
7
1. 3. Power and protection loop
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
1. 2. Power  control circuit
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