Panasonic TC-20LB30 Service Manual page 38

IC901
V_IN
V_OUT
SUB 11V
1 2
SUB 11V
TO
A9
POWER UNIT
IC902
1
UNREG 32V
POWER ON PULSE 6 MAIN SW
V_IN V_OUT
MAIN 3.3V
STB 5V 7
1 3 6
KEYSCAN 8
POWER ON 9
MAIN 3.3V
REG 5V 10
11
REG 5V
INVERTER 14V 16
17
INVERTER 14V
INVERTER 14V 18
IC906
INVERTER 14V 19
V_IN V_OUT
MAIN 2.5V
1 3
MAIN 2.5V
IC904
V_IN V_OUT
MAIN 1.8V
1 3
MAIN 1.8V
IC1003
STB 3.3V
A12 RESET
STBY +B 1 5 1
VIN VOUT
4
TC-20LB30
Power Block Diagram
IC907
IC2001
MAIN 5.0V
AUDIO AMP
IC3001
ON/OFF
1 VCC
AV SW
V_IN V_OUT
1 2 3 6
57 VCC
IC903
SUB 9V
MAIN 5V
3 2
VIN VOUT IC4003
OP AMP
SUB 9V
8 VCC
SUB 11V MAIN 9V
MAIN 3.3V
IC4017 IC4014
IC4009
64Mbit SDRAM GLP
AD 2.5V
1 VCC 5 VIN
4 VDDE 18
VDDI VO
3 VCCQ
1 CONT
20 VDDE VDDI 36
9 VCCQ
VDDE
34 VDDI 78
15 VCC
45 VDDE VDDI 88
29 VCC
VDDE
56 VDDI 104
VCCQ
35
67 VDDE 116
VDDI
VCCQ
41
86 VDDE
VDDI 140
43 VCC
102 VDDE
VDDI 116
49
VCCQ
118 VDDE VDDI 140
55 VCCQ
VDDE
129 VDDI 151
75
VCCQ
138 VDDE VDDI 175
81 VCCQ
VDDE
149 VDDI 207
160 VDDE VDDI 215
VDDE
173 VDDI 222
IC4008
184 VDDE 233
IC2320 VDDI
197 VDDE VDDI 243
PLL 2.5V
SOUND CONTROL
VDDE
209
AVDPL3 251
220 VDDE 5 VIN
VO
26 VCC
VDDE
231 1 CONT
245 VDDE VDDI 29
VDDE
247 VDDI 47
AVDPL2
123
59 AVDPL1
Q4035
IC1002
EEPROM
8 VCC
IC1001
MCU
69 SOS
7 TEST 47 Q4036
PANEL ON
30 IREF
72
REMOTE
31 COMP
LED_G 55
32 AVDD
VDD
77 LED_R 56
54 KEY
58 BS_ON
RESET 5
52 INV_ON
TA-BOARD
IC1011
A2 TA2
SWITCHING
BT30V
8 VCC 4 30V 4
6 MAIN 5V 6
IC1008
TEMPERATURE
SENSOR
7
8
MAIN 5V
A7 JG3 DIRECTION CONTROL
5 MAIN 3.3V 10
3 MAIN 5V 12
IC4012
JPEG 9V
4 11
DIRECTION CONTROL
GC3FM
4 38 AVDAD12 VDDI 10
40 AVDAD11 VDDI 21
AVDAD22
45 VDDI 30
47 AVDAD21 AVDDA1 66
AVDAD32
52 AVDDA2 71
54 AVDAD31 VDDI 75
58 VAVDCLP VDDI 88
VDDI 114
1 VDDE
VDDI 123
12 VDDE
VDDI
135
23 VDDE
32 VDDE
73 VDDE
VDDE
90
105 VDDE
113 VDDE
134 VDDE
4 79 AVDPL1
84 AVDPL2
JG-BOARD
A8
1 +14V
2 +14V
3 +14V
4 +14V
5
+14V
6 +14V
16 ON/OFF
A15
44 PANEL 5V
47 PANEL 5V
A5 V1
STB 3.3V
3 3
5 REMOTE 5
2 LED_G 2
1 LED_R 1
A-BOARD
TUNER
TU001
15 BLT
(30V)
+B
3
(5V)
IC2201
MTS
VCC
7
IC6512
8Mbit FLASH
IC6501
IC6509
IC6503
37 VCC
BUFFER
BUFFER
47
BYTE
14 VCC
20
VCC
31 VCC
IC6518
42
IC6502 VCC
AVR 1.8V
7 VCC
18
VCC 5 VIN
14
VCC VO 4
1
CONT
IC6506 IC6507 IC6508 IC6520
BUFFER BUFFER BUFFER
RESET
14 VCC 20 VCC 20 VCC 5 VCC
IC6505
IC6522
VIN VC VO VO
DC-DC COMV.
INVERTER
1 2 3 6
14
VCC
PCCVON(H:ON, L:OFF)
LCD PANEL
RM001
D1302
REMOTE SENSOR
G
Q1300
VCC
VOUT
Q1301
R
V-BOARD
IC6513 IC6514 IC6516
D/A ENCODER
MCU(JPEG) 128Mbit SDRAM
(NTSC)
A2 1 VDD
VDDP
B17 VDDP 3 VDDQ 10 VDD
9 11
D7 VDDP VDDQ CBF
J3 VDDP 14 12 BKANK
VDD
27 28
N15 VDDP VDD VDD
R5 43 VDDQ 31 D5
VDDP
T1
VDDP 49 VDDQ 35 VDD
U16 39
VDDP DO
IC6515
41 VDD
56
VDD
D10
VDDC AVR 3.3V
H3
VDDC
44 AVDD
H15 5
VDDC VIN
VO 4 52
AVDD
T9 1 CONT
VDDC
R16 P31
JG6 GS4A GS2
3.3V
11 3.3V 11 4 SD
CARD
12 3.3V 12 SLOT
IC6510
BUFFER
PC CARD
JG1
SLOT 14
VCC
VCC
17
18 VPP1
GS-BOARD
51 VCC
52
VPP2
TC-20LB30
Power Block Diagram