Panasonic TC20LB30 - 20" LCD COLOR TV, Руководство по обслуживанию

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