Panasonic TH-37PD25U-P Service Manual page 132

15.10. DT and JA-Board Block Diagram
CABLE TV
ZB8000
DT
ATSC interface
TV TUNER
TNR8000
AGC 1
4
SCL
SDA 5
7
+B
IF SW 8
9
BTL
IF 1 11
13
BV
AFT 16
17
AGC OUT
VIDEO OUT 18
ST 21
22
SAP
R 26
L 27
DT1
3
SDA1
2
SCL1
SUPPORT
CARD
JK8006
SLOT
+3.3V 27 28
83 84
+3.3V
+5.0V 29 30
81 82
+5.0V
32
CS0
RE 43
44
WE2
RST 35
ED16 1 8
103 110
ED31
EA0 10 24
88 101
EA26
51
SDA1
52
SCL1
TRSTEN 54
57
TD0
TD1 55
58
TMS
TCK 53
46
SBO0
XHEGRST 36
76
XS1D5RST
60
SDA0
SCL0 59
37
FA1
SBI0 65
SBO0 46
TH-37/42PD25U/P
DT-Board Block Diagram
IC8001
AGC SW
1
5
IC8000
SERIAL SW
1
2
A5.0V
3
4
+30V
8
9
10
11
IC8044
AUDIO INPUT SW(D/A)
R
1
2
3
R_OUT
4
L_OUT
8
9
SDA1
10
L
SCL1
11
IC8018
+3.3V
128Mbit SDRAM
+5.0V
CE
OE
RESET
WE
A0 A23 DQ0 DQ15
XRST
DATA BUS
ADDRESS BUS
SDA1
CONTROL BUS
SCL1
SDA0 DT9
DT8
SCL0
2
SBI2
5
SDA0
SBO2 3
4 SCL0
2
FA1
DT3
DT2
1
TCK
2 SBI0 TMS 2
3 SBO0 TDI 3
5
TDO
TRDTEN 6
7
XRST
DIGITAL_RF_AGC
2
8
ANALOG_RF_AGC
6
INV.
Q8028
13
5
INV.
Q8003
6
12
ANALOG_V
VIDEO_OUT
SCL_TV1
SDA_TV1
DIGITAL_V
AFT
SCL_TV1
SDA_TV1
R_OUT
L
13
R
5
6
DA_SW
12 Q8029
L_OUT
XRST
IC8024(1/5)
HDSL PEARK
ED16
ED31
EA0
EA26
XERE
XECS0
XEWE2
SDA1 SDA1
SCL1 SCL1
SDA0 SDA0
SCL0 SCL0
SBI2
SBO2
TCK
TMS
TDI
TDO
TRSTEN
XRST
IC8004
AMP
RF_AGC
-
6
7
+
5
+
3
1
IF_AGC
-
2
SDA_FE
SCL_FE
AGC AMP(IF STR/P)
2
X8100
3
4
IC8045
Q8025,Q8026,Q8027
RF PEAK/POWER
VIDEO SW(D/A)
DETECTOR
6
5
8
1
2
IC8036 IC8034
OP AMP AUDIO DAC
-
2 11
AOUTL
1
+
3 +9V
+
5
7
-
6 10 AOUTR
CHDATA0
CHDATA0
SBO0
TD0/SBO0
SBO1
CPU
TDI/SBI0
BUS
TMS
TMS
JTAG
TCK
TCK
TRSTEN
TRSTEN
XFERST
XFERST
133M
IIC
BUS
SBO0
XHEGRST
XS1D5RST
IC8038
IC8022
A5V
MIXED AND OSD
FOR TUNE
Q8023
13
VHF IN1 IF OU
Q8019
VHF OSC
VHF OSC
Q8024
IC8003
AGC
IN1 OUT1
7 2
X8101
IN2
8 3
OUT2
4
AGC CTL
IC8
16Bit AU
5 13
PDN PD
MCLK 1 11 MC
2 12
BICK SCL
DMIX
SDTI 3
SRCK
LRSK
4
LRCK
DACCK
IC80
RAM BUS
GENERAT
CL
CLK
IC8027
REFCL
3PLL CLOCK PCLK
SYNC
133M 7
9
66.5M
74.125M 1
4
CLKIN
IC80
IC for VC
5 Q0 V
1
XTB X
X8005
6
IC803
VO
VIN VO
AVR 5V AVR 9V
1 3
+5V A5V 9
80