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8 Block Diagrams
POWER SUPPLY BLOCK DIAGRAM
POWER P.C.B.
RUSH
a
F801
CURRENT
L802
PROTECTOR
L1001
D1001
8A 125V
R1026
C1002
CN804-1
AC LINE
AC LINE
FULL-WAVE
AC IN
CN804-3
FILTER
FILTER
RETIFIER
F1001
6.3A 125V
RL801
Q801
T801
2
9
TP804
7
3
6
L853
CN851-1
AC LINE
FILTER
CN851-2
RL802
Q806
DRIVE P.C.B.
TP2704
TP2703
+9V
TP2708 TP2707
+5V
TP2717 TP2715
+3.3V
TP2706
TP2705
+3.3V
TP2710 TP2709
+2.5V
IC2701 (+1V REGULATOR)
TP2712 TP2711
+1.0V
4
+1V REG.
TP2719 TP2718
-6V
T1002
18
2
a
3
17
4
IC1001(SWITCHING CONTROL)
GND
7
VCC
b
5
50V
TP1002
OVER VOLTAGE
4
PROTECTION
b
9
14
6
ZERO CURR.
1
DETECTION
DRIVE
D
CONTROL
7
ERROR VOLT.
S
2
DETECTION
5
11
8
50V
OVER CURRENT
DETECTION
10
9
TP1005
TP1006
TP1003
TP1001
30V
9V
18V
PR1001
TV SUB ON(H)
Q1001
IC1002
FEED BACK
IC1003
(SHUNT REGULATOR)
3
1
2
TV SUB ON
V-REF(2.495V)
TP805
STANDBY POWER CIRCUIT
STB 7V
STB 7V
TP803
TP810
D802
FULL-WAVE
RETIFIER
AC STOP
Q803-Q805
TP813
D811
AC VOLTAGE
DETECT
RF AMP POWER SUPPLY P.C.B.
LAMP UNIT
CN1
CN151
AC IN
+26V
+26V
117 C
(242.6 )
AC IN
GND
GND
SUB+5V
BACKUP FOR
MICROCONTROLLER
Q2704
SW+9V
Q2701
IC2702 (+5V REGULATOR)
4
+5V REG.
2
IC2703,Q2705
+3.3V REG.
Q2703
SW+9V
Q2702
IC2704 (+2.5V REGULATOR)
+2.5V REG.
4
2
R2733
2
FUSE RESISTOR
Q2706
(32V 0.8A)
SW-6V
IC2706 (SWITCHING CONTROL)
SWITCHING
Q2707
OSC
4
ERROR
PWM
12
5
AMP
CONTROL
MAIN P.C.B.
IC1107 (+5V REGULATOR)
V1 +150.0 Vp-p
1
+5V REG.
2
4
IC1105 (+1.8V REGULATOR)
10ms
1
+1.8V REG.
2
V1 +150.0 Vp-p
4
IC1104,Q1106
+3.3V REG.
10ms
IC1103,Q1107
+1.2V REG.
REG+30V
CN1003-7
CN1101-7
SOUND+18V
CN1003-1,2
CN1101-1,2
REG+9V
CN1003-(9-11)
CN1101-(9-11)
IC1106 (+5V REGULATOR)
STBY+7V
CN1003-5
CN1101-5
CN1003-8
CN1101-8
5
+5V REG.
4
AC STOP(L)
CN1003-6
CN1101-6
TP1105
IC1203 (+3.3V REGULATOR)
IC1202,Q1201
+3.3V REG.
IC1201,Q1202
+1.2V REG.
D1103-D1106,ETC
OVER
VOLTAGE
DETECT
IC1101,IC1102,IC1205
OVER
CURRENT
DETECT
CN6005-3
Q1102
SW
CN1102-1
THERMAL
F
FUSE
CN1102-2
REAR JACK P.C.B.
CN3501-(38-40)
CN3501-(38-40)
CN3001-34
CN3501-34
CN3501-47
CN3501-47
CN3001-29
CN3501-29
CN3001-28
CN3501-28
CN3001-31
CN3501-31
Q2754
57
PT-50LCZ70 / PT-56LCZ70 / PT-61LCZ70 / PT-50LCZ7 / PT-56LCZ7 / PT-61LCZ7
TP1102 TP1103
SOUND+18V
DTV+9V
TP1116 TP1117
SUB+5V
TP1118 TP1119
MAIN+5V
TP1109 TP1100
SUB+1.8V
IC1108
(+3.3V REGULATOR)
TP1106 TP1107
1
+3.3V REG.
5
STB+3.3V
TP1111 TP1112
SUB+3.3V
TP1120 TP1121
MAIN+3.3V
Q5518,Q5519
SW+3.3V
TP1113 TP1114
SUB+1.2V
TP1108
TP1115
STB+5V
TP1205 TP1206
FHD+3.3V
TP1201 TP1202
DDR+3.3V
TP1203 TP1204
FHD+1.2V
SD/HDMI P.C.B.
CN5503-15,16
CN9804-15,16
MAIN2+3.3V
CN5503-17
CN9804-17
MAIN+5V
CN8201-1
CN9802-1
SUB+3.3V
TUNER P.C.B.
CN8801-17,19
CN8970-17,19
SUB+5V
CN8801-4
CN8970-4
BT+30V
POWER SWITCH/OPERATION P.C.B.
CN6003-4
CN6801-4
TV MAIN ON DELAY (H)
SOS(L)
AC STOP(L)
Q6803
TO/FROM
POWER LED-R ON(L)
TV SUB ON (H)
SYSTEM CONTROL
Q6802
FAN SOS
BLOCK DIAGRAM
POWER LED-G ON(L)
OPT FAN SD CONTROL
LAMP ON(H)
FRONT/REAR FAN SD CONTROL
D6803 G
LCD ON (H)
R
POWER
CN2751-1
IC2751 (FAN DRIVE)
TP2759
CN2751-2
DTV+9V
CN2751-3
(+8V)
2
REG.
4
5
CN2752-1
+9V
IC2756
CN2752-2
(COMPARATOR)
CN2752-3
Q2755
5
-
7
+
6
IC2753 (FAN DRIVE)
TP2757
(+6V - +6.5V)
2
REG.
4
CN2754-1
CN2754-2
CN2754-3
5
IC2754 (FAN DRIVE)
TP2758
(+7V)
2
REG.
4
CN2753-1
CN2753-2
CN2753-3
5
Q2751
Q2752
Q2753
POWER SUPPLY BLOCK DIAGRAM
PT-50LCZ70/PT-56LCZ70/PT-61LCZ70/PT-50LCZ7/PT-56LCZ7
/PT-61LCZ7/PT-50LCZ70-K/PT-56LCZ70-K/PT61LCZ70-K
STB+3.3V
D6802
LAMP
Q6804
FRONT FAN
REAR FAN
OPT FAN
LAMP UNIT
LAMP FAN
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