Block Diagram - Panasonic TX-L32X20B Service Manual

Block Diagram

TUNER
TU2901A
11 9 19 20 16 2 15
A-BOARD
[EXCHANGE UNIT]
5
CVBSIN4
20
AV1_V 79 CVBSIN6
19 44
AV1_VOUT CVBS/Y+COUT3
43
SAGCVBSOUT3
AV1_RED 15 91
PRIN2/R3
11
AV1_GREEN 89
CYIN2/G3
7
AV1_BLUE 87
PBIN2/B3
AV1_L 6
62 L3IN
3
AV1_LOUT 56 L1OUT
AV1_R 2 63 R3IN
1 55 R1OUT
AV1_ROUT
23 CVBSIN2
G/CY/CVBSout1
AV2_V 20 19 G1/YIN1
B/PB/Cout1
AV2_VOUT 19 38 Y/Y+C/CVBSOUT4
37 SAGCVBSOUT4
15 11 R2/CIN3
AV2_RED/C
21
B1/CIN1
AV2_GREEN 11 13
G2/YIN2
7
15
AV2_BLUE B2/CIN2
64
6 L4IN
AV2_L
54
L2OUT
AV2_LOUT 3
65
2 R4IN
AV2_R
53
R2OUT
AV2_ROUT 1
YPBPR_Y
Y 95 CYIN1
YPBPR_PB
PB 93 PBIN1
YPBPR_PR
97 PRIN1
PR
PC_LIN
70 L7IN
L
PC_RIN
71
R7IN
R
IC3000
RCA_AUDIOOUT_L
52 L3OUT
L
[C1AB00003218]
RCA_AUDIOOUT_R AVSW
51
R3OUT
PC_R
1 3 RIN
PC_G
2 1 GIN
PC_B
3
99 BIN
PC_HD
13
2 HDIN
14 PC_VD
100
VDIN
A04
AV3_VIN
6 81 CVBSIN5
AV3_LIN
4 68 L6IN
AV3_RIN
2 4,6,18,
69
R6IN
HP_LOUT 22,24,36
3
82,86
45,80
HP_ROUT
1
A02
P17V
SOS SENSE
STB5.8V
1
5.8VS
D5401
2
KEY
3
SUB_F12V_15V
A09 PNL_5V_12V
R5244
RELAY_5VS
5
IC5600
P17V
9
DCDC
20
Vin
SUB_F12V_15V
11,12
STB_SUB_5.8V
14
IC5601
5.8VS
15
DCDC
20 Vin
INV_PWM
2
PWM9V
ECO_ON/BL_ON
3
PANEL_SOS/BL_SOS
3 Vin
IC5220
4
SUB9V
1
Vout
TV_SUB_ON
7
HDMI1
JK4700
10
IIC2
P17V
R5265
IIC2 ARC_OFF
SUB1.8V
HDMI
SUB1.2V
A13
SIF I/F
B13
MAIN_Y/CVBS
31
A2
MAIN_PB/C
33
A3
MAIN_PR
R/PRout1 35
A4
Analog video
RGB_CVBS
46
CVBSout In I/F
A11
VIN
VDout 34
D1
HIN
32
HDout
D2
17 DVB_CVBS
CVBSin Analog video
A25
Out I/F
AV_R
R4out 49
A23 Analog audio
AV_L
L4out 50
C23 In I/F
AUDIOOUT_L
58
L1IN
A18
AUDIOOUT_R
59
R1IN
B18
TV_L
L2IN 60
C17
Analog audio
TV_R
61
R2IN
D17
Out I/F
HP_LOUT
C18
HP_ROUT
D18
AVDD3.3V
AVDDH3.3V
STB3.3V
IFAGC
IC8300
48
IFD2
[C1AB00003188]
38
DVB-T/C DEM
IFD1
37
10,22,28, 7,19
40,33 32,44 30,42
96
IC5200
STB_SUB_5.8V
8 REG
Vcc 1
Vout
SOS_SENSE
Q5000
TCON_5V_12V
L4800
IC2952
4 Vin
REG
5
TV_SUB_ON Vout
3
SUB1.8V
4
Vo1
SUB1.2V
9
Vo2
STB5.8V
3,4
IC5416
SUB_OP_5V STB5V Reg
5
Vout
9 Vo2
SUB3.3V
4
Vo1
AVDD13.7V
IC2950
6
Vin FE1.2V
REG 1 Vout
SUB_F12V_15V
3 On/Off
Q4813
Reg IC8302
1 SUB2.5V D4827 D4842
Vin
REG
5 Vout VON31V
3
CE
SUB_SD_3.3V
L8860
SP_L SP_R
HDMI2 HDMI3
JK4701 JK4702
1 2 3
40,41,42 29,30,31
36,37,38 25,26,27
IC2301
[C1AB00003230]
AUDIO AMP
MAIN_SND_17V
23,24,43,44
8 9 14
ARC SW
SUB3.3V
B28
AP23 AN23 AP22 AN22
AUDIO I/F
D-Chip
A-Chip
IC8001
[MN2WS0125FH]
sLD
STM
IIC
I/F HDMI I/F
IC1101
EEPROM for STM
IIC2 IC8400
[C1AB00003193]
CI TS ASIC
15,24,37,64
49
INV_PWM
TV_SUB_ON
IC5603
SUB5V AVDD3.3V
1 REG
Vin 5
Vout
IC5604
AVDDH3.3V
4 REG
Vin 5 Vout
IC8402
SUB_CI_5V
1 REG
Vin 5 Vout
TNR5V
25
Digital
Audio Out SD CARD SLOT SERVICE
JK8850
D3300 CN0100
4
15
IC8950
EEPROM sLD
SD CARD I/F IIC I/F
IC8921
NAND I/F
FLASH MEMORY
IIC0
IIC1
IIC2
LVDS I/F
PANEL
PWM
COMMON
TCON
PORT
TS I/F CPU BUS I/F
IC8401
[C1AB00002913]
LEVEL SHIFTER
49
2,17,33
SUB3.3V
SUB5V
27 12
IC5000
13 [AN34042A-VF]
ANALOG ASIC
5
3 6 15 16
19 29 30 31
R_LED
G_LED
STB3.3V
REMOTE
SUB5V
17,18
51,52
JK8401
CI SLOT
A14
12,13,23,37,38
27 28 30
DVDD2.5V
IC4800
32,33
11-12
[C0DBZYY00343]
AVDD13.7V
DC/DC
14 49-52
VON31V
Q4803 7
V0FF2_-6V
Q4804
6
29 6,19 IIC0
IC4802
VRF1;VRF2;VRF3 48;47;46
VRF4;VRF5;VRF6 45;44;43
[C0FBBF000074]
VRF8;VRF9; 42;41
TCON GAMMA DAC
VRF10;VRF11; 40;39
38
VRF12;
VCOM 54;53
TA1N,P; TB1N,P
TC1N,P; TD1N,P
TE1N,P: TF1N,P
36,35;33,32
TCLK1N,P
30,29;24,23
21,20;18,17
27,26
LOSDOUT3,4
LOSDOUT5,6
LOSDOUT7,8
13,14
15,10
9,8
IIC0
WP
4
V-BOARD
STB3.3V
SUB3.3V
RM2500
SUB5V
LED RECEIVER
STB3.3V
SN2500
D2500
A10 V10
2 1
3 2
STB3.3V
4 3
AI
5 4
6 5 Q2504
SUB5V
8 7