Panasonic TC-20LB30 Service Manual page 39

JK3001
AV_IN1
C Y
V
L
R
AV_IN2
C Y
V
L
R
WHITE
JK3004
COMPONENT
RED
Y-SW
Y
Y
Y-G
JK3002A
PB
COMPONENT PB
PB-G
PR
PR
PR-G
TA-BOARD
TU001
TUNER
SCL
10
SDA
11
IC2201
AFT
12
MTS
AUDIO OUT
13
21
LOUT
VIDEO OUT
17
14 MPX IN
ROUT 22
SCL 18
SDA 19
Q001
GS-BOARD
JG-BOARD
SD
IC6510
CARD
GS2 GS4A JG6
SLOT
BUFFER
CMD RDYBSY
SDCMD 2 5 5
CLK
REG
SDCLK 5 3 3
DATA BVD1
SDDAT0 7 1 1
XCD SDCDIM
SDDET 10 7 7
WP SDWP
SDWP 12 8 8
IC6522
PC INVERTER
CARD
IC6503
JG1
SLOT
2 6 BUFFER
D0 D15
OE
30 32
DATA
DATA BUS
37 41
64 66
DIR
A0 A10
8
ADDRESS BUS
ADDRESS
11 12
IC6502
22 29
IC6506,IC6507
DIRECTION
BUFFER
CD1
36
CD2
67
IC6501
DIRECTION CONTROL
IC6508
REG,RESET,IOWR,IORD
BUFFER
FWE,FOE,CE1,CE2
CONTROL CONTROL SIGNAL
IC6509
WAIT,RDYBSY,WP
BUFFER
BVD1,BVD2,INPARK
CONTROL CONTROL SIGNAL
TC-20LB30
Signal Block Diagram
IC3001
C AV SW
Y
C-G
Y-G 6
C
SW
8 Y
G L 49
AUDIO
42 S2-1 AV
V-SW
OUT
V 2 V IN1 R
V-G
4
L
L
5 R
L-G
C
R-SW
JPEG
R
Y
R-G
12
C
C
14 Y
Y
C-G 44 S2-1 AV SY OUT 52
Y-G
10 V IN2
SW
9
L
G
11 R
V-SW PR OUT 64
V 19 SW
V-G PB OUT
L
27
L-G L V OUT
R-SW
29 R
R
25 SW
R-G COMPONENT
26 Y
28
PB
SDA1
30 PR
SCL1 59
L
21
TV1L DC OUT
R 22 TV1R TV
24 TV1V
IC1011
SWITCHING
L
6
5
3
R
2 1
7
TA1
A1
2 AFT OUT 2
4 TV L 4
6 TV R 6
8 SCL1 8 SCL1-5
9 SDA1 9 SDA1-5
TA2 A2
TV V
2 2
IC6513
MCU(JPEG)
IC6516
RDY_BSY
D/A ENCODER
RDY/BSY
REG
(NTSC) JG3
REG
CARD
BVD1
Y0 Y7
BVD1 Q6501
I/F
Y Y 5
Q6505
YC
CD1
OUT
CD2
C0 C7
Q6502
C C 3
Q6506
SDWP
IC6501
SDCD GPI0
AND GATE
PCCENA
8
RXD
D3.3V
9
TXD
D0 D15
FD0
1
SYSID0
DATA
BUS
FD15 IC6520
RESET
A1 A10 FA0
ADDRESS
BUS
FA19
Q6503
MRESET 6
Q6504
CONTROL
IC6514
128Mbit SDRAM
IORD,FOE
SDRAM
CE1,CE2
I/F
IC6512
CARD 8Mbit FLASH
I/F
EXT.SDRAM
I/F
IC2320 IC2001
SOUND CONTROL
AUDIO AMP
1 LOUT 25 6 OUT1+ 2
LIN IN1
OUT1- 4
2 RIN ROUT 24 8 IN2
51
OUT2- 10
30 31 9 VOL
12
OUT2+
SDA1-5
18
SCL1-5
20
PR
Q2002
PB
Q2004
56
V/Y
54
SDA1-5
61
SCL1-5
IC1003
IC1001
STB 3.3V
53
RESET
STB 5V
5 4 5 RESET
6 STOP MODE
1
72
REMOTE
STB 3.3V
SCL0 18 SCL0
SDA0 19 SDA0
Q1013
49 A VOL
1 PC_RXD
82 PC_TXD
61
PC_SYS
Q1005 Q1007
38 CC IN
66 A MUTE
84 PC_RST
SCL2 70 SCL2
SDA2 71 SDA2
78 SCL3
SCL3
SDA3 80 SDA3
SCL1-5 16 SCL1
SDA1-5 17 SDA1
57 AGC ADJ
13 GC RESET
IC1008
TEMPERATURE
SENSOR
5 SDA
6
SCL
Q4014,Q4019,Q4027
Q4015,Q4020,Q4025
A7
Q3001,Q3006,Q3008 Q4016,Q4021,Q4024
Y 10
C
12
RXD SDA2
7
SCL2
TXD 6
IDO 14
RESET 9
A-BOARD
A5
9
8
7
10
6
11
MUTE
Q2006
Q2003
Q2005
MUTE
Q2007
Q2009
MUTE
Q2010
MUTE
Q1003 3
STB 3.3V
Q1002 5
LED_G
2
LED_R
1
MCU
LED G
LED G 55
LED R
56
LED R
Q1001
MAIN SW 43
Q1004
SRQ 59
KEY 54
BS ON 58
INV ON 52
47
PANEL ON
Q4035
SUB 5V
IC1002
OSD R
Q4036
OSD R 27 EEPROM
OSD G
OSD G 26
OSD B
SDA0 5 SDA
24
OSD B
SCL0 6 SCL
IC4014
GLP
LCD MUTE 3
APWM
172 Q4033
132 LCDMUTE
PWRPWM
Q4034
171
255 NRST
OSD R
96 OSDR04
OSD G
106 OSDG05
OSD B
111 OSDB04
IC4017
IC4012
64Mbit SDRAM
GC3FM
33 NRST
YUV00 20 6 YUV00
R00 170
C/Pb
LCDR0 LCDR7
42
VIN1 8 15
YUV09 YUV09
R07 163
Pr
49 VIN2
YUVVP0 6 16 YUVVP0
V/Y YUVHP0 7 17 YUVHP0
56 VIN3
5
MD00
22 MDIN00
MDO02 3 G00 159
MDO03 143 LCDG0 LCDG7
33 MDIN10
152
G07
MDO10 138
MDIN00 132 37 MDO00
125 44
MDIN07 MDO07
B00 148
26 SDA
MDIN08 122 48 MDO08
LCDB0 LCDB7
25 SCL
B07 141
MDIN15 115 55 MDO15
SDA2 1 SDA CLKOUT 137
SCL2 2 SCL HPOUT 135
VPOUT 133
V1 V5
L+
L hp+ 4 1 SPEAKER
L-
2 L
L+ 3
L ch- 2
R hp+ 5
R-
3 SPEAKER
R ch- 1
R+ R
4
R+ 6
1
7
6 JK2101
3
HEADPHONES
2
4
5
RM001
D1302
REMOTE SENSOR
G
STB 3.3V
Q1300
3
STB 3.3V
VCC
REMOTE
REMOTE 5 VOUT Q1301
R
2
LED_G
LED_R 1
V-BOARD
TO
POWER UNIT
A9
6 POW ON PULSE
8 KEYSCAN
9 POWER ON
FOR
A12
FACTORY
USE
7
SDA0
6
SCL0
SDA3
5 SDA2/SDA1
SCL3 4 SCL2/SCL1
2
IRQ
1
STB 5V STB +B
A8
16
ON/OFF
2
-
+ 1 18 AI DIM
3
+
5
- 7 17 DUTY DIM
6
IC4003
OP AMP
A15
44 VDD(5V)
47 VDD(5V)
8
R0
16 R7
18
G0
LCD PANEL
26 G7
28 B0
36 B7
2 CK
4 HS
5 VS
TC-20LB30
Signal Block Diagram