Panasonic PT52LCX66 Service Manual - Page 53

Power Supply Block Diagram 2/2 - fan

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POWER SUPPLY BLOCK DIAGRAM (2/2) MAIN P.C.B. TP1113 TP1101 STBY +7V CN6000-1 CONTINUE POWER SUPPLY DT +30V CN6000-5 DRV +17V CN6000-6 BLOCK DIAGRAM(1/2) DT +9V CN6000-(7-9) (CN1514) AC STOP(L) CN6000-2 AC SW ON(H) CN6000-3 IC1104 5 +5V REG. 4 TP1102 TP1117 IC1102 1 +5V REG. 2 TP1110 TP1100 IC1105 5 +3.3V REG. 4 TP1103 TP1118 Q1103, TP1115 Q1104 SW Q1102, Q1105 SW TP1116 DC/DC CONVERTER (STEP-DOWN CHOPPER SYSTEM) IC1100 (DC-DC CONVERTER) 3 1 4 2 5 SWITCHING 22 6 23 24 25 19 VCC OVER CURR. 16 LIMITER 15 ON/OFF CONSTANT VOLTAGE 13 CONTROL CONTROL 18 Q1100 IC1103 1 +2.5V REG. 2 TP1111 TP1104 TP1112 TP1105 Q1108, OVER Q1109, CURRENT ETC DETECT Q1106, Q1107 SW D1108-D1111, OVER D1123-D1126 VOLTAGE DETECT ERROR VOLTAGE DETECT VOLTAGE LINE ERROR VOLTAGE +9V DT MORE THAN +11V +5V DT MORE THAN +8V +3.3V +2.5V MORE THAN +5V MORE THAN +5V Q6008 Q6010 Q6007 Q6016 SOS2 LOW +B SW TO/FROM AC ATOP (L) SYSTEM CONTROL BLOCK DIAGRAM AC SW ON (H) PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 (DT +30V) (DT +9V) (DT +5V) CN6003-8 CN6003-(51-53) CN6003-54,57 DIGITAL TUNER P.C.B. DT12-8 DT12-(51-53) DT12-54,57 (STBY +3.3V) CN6001-5 POWER SW P.C.B. CN6801-4 (DRV +17V) (FAN +9V) (SW +5V) (SW +3.3V) CN6008-1 CN6008-2 CN6008-3 CN6008-4 LCD DRIVE P.C.B. CN2704-1 CN2704-2 CN2704-3 CN2704-4 SW +5V SW +2.5V SW +3.3V SW +9V CN2705-1 IRIS P.C.B. CN9502-1 (SW +2.5V) (STBY +5V) (SW +9V) (SW +3.3V) CN3000-(35-37) CN3000-43 CN3000-44 CN3000-40,41 BASE P.C.B. CN3103-43 CN3103-44 CN3103-40,41 DT +30V DT +9V DT +5V STBY+3.3V IC2701 (+15.5V REGULATOR) +15.5V 2 REG. 4 15 IC2702 (FAN1 DRIVE) 2 REG. 4 15 IC2703 (FAN2 DRIVE) 2 REG. 4 15 IC2704 (FAN3 DRIVE) 2 REG. 4 15 IC2705 (OP AMP) 5 7 6 +17V +9V +5V +3.3V TP2730 TP2731 SW +15.5V TP2729 LCD ON (H) TP2742 TP2734 (7.0V) FAN1 SPEED CONTROL FAN OH (H) TP2743 TP2737 (8.0V) FAN2 SPEED CONTROL TP2744 TP2739 (7.0V) FAN3 SPEED CONTROL FAN1 LOCK (H) FAN2 LOCK (H) FAN3 LOCK (H) CN2701-1 CN2701-2 CN2701-3 FAN 1 CN2702-1 CN2702-2 CN2702-3 FAN2 CN2703-1 CN2703-2 CN2703-3 FAN3 +3.3V IC9504 5 +5V REG. 4 +9V +5V FRONT JACK/OPERATION P.C.B. CN3101-1 CN6701-1 STBY+5V CONTINUE POWER SUPPLY BLOCK DIAGRAM(1/2) AMP +18V CN4501-2 (CN1516) +9V SW +3.3V SW +18V POWER SUPPLY BLOCK DIAGRAM (2/2) PT-52LCX66/PT-56LCX66/PT-61LCX66/PT-52LCX16/PT-56LCX16 53

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PT-52LCX66/PT-56LCX66/PT-61LCX66/PT-52LCX16/PT-56LCX16
POWER SUPPLY BLOCK DIAGRAM (2/2)
MAIN P.C.B.
LCD DRIVE P.C.B.
+17V
SW +15.5V
TP2731
LCD ON (H)
<FROM IC2301 (33)>
+9V
FAN1 SPEED CONTROL
<FROM IC2301(23)>
FAN2 SPEED CONTROL
<FROM IC2301 (63)>
FAN1 LOCK (H)
<TO IC2301 (29)>
FAN2 LOCK (H)
<TO IC2301 (30)>
FAN3 LOCK (H)
<TO IC2301 (31)>
FAN 1
FAN2
FAN3
CN2704-1
CN2704-2
DT12-8
DT12-(51-53)
DT12-54,57
CN3101-1
CN3103-44
CN3103-43
CN3103-40,41
CN3000-44
CN3000-43
CN3000-40,41
CN6003-8
CN6003-(51-53)
CN6003-54,57
CN6001-5
CN6008-1
CN6008-2
CN6008-3
CN6008-4
CN2704-3
CN2704-4
CN2701-1
CN2701-2
CN2701-3
CN2702-2
CN2702-3
CN2702-1
CN2703-1
CN2703-2
CN2703-3
IC2701
(+15.5V REGULATOR)
+15.5V
REG.
2
4
5
1
IC2702
(FAN1 DRIVE)
IC2705
(OP AMP)
REG.
2
4
5
1
IC2703
(FAN2 DRIVE)
REG.
2
4
5
1
IC2704
(FAN3 DRIVE)
REG.
2
4
1
FAN3 SPEED CONTROL
<FROM IC2301 (52)>
5
FAN OH (H)
<FROM IC2301 (42)>
TP2730
TP2729
TP2742
TP2734
TP2737
TP2739
(8.0V)
(7.0V)
TP2743
TP2744
CN6000-1
CN6000-5
CN6000-6
CN6000-(7-9)
CN6000-2
CN6000-3
+5V
+3.3V
7
5
6
CN2705-1
(7.0V)
BASE P.C.B.
FRONT JACK/OPERATION P.C.B.
DIGITAL TUNER P.C.B.
POWER SW P.C.B.
ERROR VOLTAGE DETECT
DT +30V
DT +9V
DT +5V
CN6701-1
CN4501-2
CN6801-4
STBY+3.3V
STBY+5V
IRIS P.C.B.
CN9502-1
+9V
+5V
IC1104
+5V
REG.
5
4
TP1102
TP1117
TP1116
VOLTAGE LINE
+9V DT
MORE THAN
+11V
MORE THAN +8V
MORE THAN +5V
MORE THAN +5V
+5V DT
+3.3V
+2.5V
ERROR VOLTAGE
+3.3V
Q1102,
Q1105
3
4
5
6
22
23
1
2
24
25
19
18
VCC
ON/OFF
CONTROL
SWITCHING
OVER CURR.
LIMITER
CONSTANT
VOLTAGE
CONTROL
16
15
13
DC/DC CONVERTER (STEP-DOWN CHOPPER SYSTEM)
+9V
SW +3.3V
SW +18V
D1108-D1111,
D1123-D1126
SOS2
(DT +30V)
(DT +9V)
(DT +5V)
(STBY +3.3V)
(DRV +17V)
(FAN +9V)
(SW +5V)
SW +5V
SW +2.5V
SW +3.3V
SW +9V
(STBY +5V)
(SW +9V)
(SW +3.3V)
(SW +3.3V)
TO/FROM
SYSTEM CONTROL
BLOCK DIAGRAM
LOW +B SW
AC ATOP (L)
AC SW ON (H)
Q1108,
Q1109,
ETC
Q1106,
Q1107
Q6008
Q6007
Q6010
Q6016
OVER
VOLTAGE
DETECT
OVER
CURRENT
DETECT
IC1105
+3.3V
REG.
5
4
IC1103
+2.5V
REG.
1
2
IC9504
+5V
REG.
5
4
TP1103
TP1118
TP1111
TP1104
TP1115
TP1112
TP1105
IC1102
IC1100 (DC-DC CONVERTER)
+5V
REG.
1
2
TP1110
TP1100
TP1113
TP1101
SW
Q1103,
Q1104
SW
CN3000-(35-37)
(SW +2.5V)
SW
Q1100
STBY +7V
DT +30V
DRV +17V
DT +9V
AC STOP(L)
AC SW ON(H)
CONTINUE
POWER SUPPLY
BLOCK DIAGRAM(1/2)
(CN1514)
AMP +18V
CONTINUE
POWER SUPPLY
BLOCK DIAGRAM(1/2)
(CN1516)
POWER SUPPLY BLOCK DIAGRAM (2/2)
PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16
53