Panasonic TC-20LB30 Service Manual page 19

A2 TA2
BT30V
4 30V 4
MAIN 5V
6 6
RE
A7 JG3
5 10
MAIN 3.3V
3 MAIN 5V 12
2
4 JPEG 9V 11
DDI 10
DDI
21
DDI 30
A1 66
A2 71
DDI 75
DDI 88
DDI
114
DDI
123
DDI 135
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
REMOTE
5 5
LED_G
2 2
LED_R
1 1
RD
26
TA-BOARD
TUNER
TU001
15 BLT
(30V)
+B
3
(5V)
IC2201
MTS
VCC
7
IC6501
IC6503
DIRECTION CONTROL
BUFFER
14
VCC
31 VCC
42
VCC
IC6502
DIRECTION CONTROL
7 VCC
18
VCC
14
VCC
IC6506 IC6507
BUFFER BUFFER
14 20
VCC VCC
IC6505
VIN VC VO VO
DC-DC COMV.
1 2 3 6
PCCVON(H:ON, L:OFF)
JG-BOARD
LCD PANEL
RM001
REMOTE SENSOR
Q1300
VCC
VOUT
Q1301
V-BOARD
IC6513
IC6512
MCU(JPEG)
8Mbit FLASH
IC6509
A2
37
VCC
BUFFER
47 B17
BYTE
D7
20
VCC
J3
IC6518
N15
R5
AVR 1.8V
T1
U16
5
VIN
VO 4
1
CONT
D10
H3
IC6508 IC6520
H15
T9
BUFFER RESET
20 5 R16
VCC VCC
IC6522
INVERTER
14
VCC
JG1
D1302
G
R
IC6514 IC6516
128Mbit SDRAM D/A ENCODER
(NTSC)
VDDP 1 VDD
3 10
VDDQ VDD
VDDP
9 11
VDDP VDDQ CBF
14 12 BKANK
VDDP VDD
27 28
VDD
VDDP VDD
43 31
VDDQ D5
VDDP
49 VDDQ 35 VDD
VDDP
39
DO
VDDP
IC6515
41
VDD
56 VDD
VDDC AVR 3.3V
VDDC
44
AVDD
5
VIN
VDDC
VO 4
52 AVDD
1
VDDC CONT
P31
JG6 GS4A
3.3V
11 11
3.3V
12 12
IC6510
BUFFER
PC CARD
SLOT
14
VCC
17 VCC
18 VPP1
GS-BOARD
51 VCC
52
VPP2
TC-20LB30
Power Block Diagram
GS2
3.3V
SD
4
CARD
SLOT