Dt And Ja-Board Block Diagram - Panasonic TH-37PD25U-P Service Manual

TH-37PD25U-P / TH-42PD25U-P

15.10. DT and JA-Board Block Diagram

CABLE TV
ZB8000
DT
ATSC interface
TV TUNER
TNR8000
1
AGC
SCL 4
SDA 5
+B 7 A5.0V
IF SW 8
9
BTL +30V
IF 1 11
BV 13
AFT 16
AGC OUT 17
18
VIDEO OUT
ST 21
SAP 22
R 26
27
L
AUDIO INPUT SW(D/A)
R
R_OUT
L_OUT
DT1
SDA1
SDA1 3
SCL1 L
SCL1 2
SUPPORT
CARD
JK8006
SLOT
IC8018
+3.3V 27 28 +3.3V
+3.3V 83 84
128Mbit SDRAM
+5.0V 29 30 +5.0V
CE
81 82
+5.0V OE
WE
A0
CS0 32
43
RE
WE2 44
RST 35 XRST
ED16 1 8
ED31 103 110
EA0 10 24
88 101
EA26
SDA1 51 SDA1
SCL1 52 SCL1
TRSTEN 54
TD0 57
TD1 55
TMS 58
TCK 53
46
SBO0
XHEGRST 36
76
XS1D5RST
SDA0
DT8
SCL0
SDA0 60 5 SDA0
SCL0 59 4 SCL0
FA1 37 2 FA1
DT2
SBI0 65 2 SBI0
SBO0 46 3 SBO0
TH-37/42PD25U/P
DT-Board Block Diagram
IC8004
IC8001
AMP
AGC SW
- RF_AGC
6
DIGITAL_RF_AGC
1 2 7
+
5
8
+
3
ANALOG_RF_AGC
5 6 1
IF_AGC
-
2
SDA_FE
SCL_FE
IC8000
SERIAL SW
INV.
1
Q8028
13
2
3
5
4
INV.
8
6 Q8003 X8100
9
10
12
11
IC8045
VIDEO SW(D/A)
ANALOG_V
6
VIDEO_OUT
SCL_TV1
5
8
SDA_TV1
1
DIGITAL_V
AFT 2
SCL_TV1
SDA_TV1
R_OUT
IC8044
IC8036
OP AMP
-
1 2
L
13 1
+
2 3 +9V
+
3 5
R
5 7
-
4 6
8
6
9
10
DA_SW
12 Q8029
11
L_OUT
XRST
RESET
A23 DQ0 DQ15
IC8024(1/5)
HDSL PEARK
CHDATA0
ED16
CHDATA0
DATA BUS
SBO0
ED31 TD0/SBO0
CPU SBO1
EA0 TDI/SBI0
BUS
TMS
ADDRESS BUS
TMS
JTAG
EA26 TCK
TCK
TRSTEN
XERE
TRSTEN
XECS0
XFERST
XEWE2 XFERST
133M
CONTROL BUS
SDA1 SDA1
IIC
SCL1 SCL1
BUS
SDA0 SDA0
SCL0 SCL0
SBI2
SBO2
SBO0
XHEGRST
XS1D5RST
DT9
SBI2 2
SBO2 3
DT3
TCK
1
TCK
TMS
TMS 2
TDI
TDI 3
TDO
5
TDO
TRSTEN
TRDTEN 6
XRST 7 XRST
IC8022 IC8007
A5V
IF GAIN CONTROLLED AMP
MIXED AND OSDILLATOR
FOR TUNER
6 VIN B VOUT B
Q8023 X8102
13 VHF IN1 IF OUT 9 7 VIN VOUT
Q8019
VHF OSC2 2
VHF OSC1 1
Q8024
IC8003 IC8006
AGC AMP(IF STR/P) AGC AMP(IF STR/P)
IN1 OUT1 IN1 OUT1
2 7 2 7
X8101
IN2 IN2
3 8 3 8
OUT2 OUT2
4 4
AGC CTL AGC CTL
IC8049
Q8025,Q8026,Q8027 PEAK/POWER COMPARATOR
RF PEAK/POWER
2
DETECTOR
3
IC8015
EEPROM
IC8034 IC8032
AUDIO DAC 16Bit AUDIO A/D
SR
11 AOUTL PDN 5 13 PD AINR 1
SL
MCLK 1 11 MCLK AINL 2
SLRCK
BICK 2 12 SCLK LRCK 10
DMIX AD
10 AOUTR SDTI 3 SDTO 9
SRCK
LRSK
4
LRCK
DACCK
IC8025
128Mbit D-RDRAM
DQB0
DQB7
DQA0
DQA7
RQ0
RQ7
IC8028
CTMN
CTM
RAM BUS CLOCK
SCK,CMD,SID
GENERATOR
CLK 20
18
CLKB
IC8027
REFCLK 2
3PLL CLOCK PCLKM 5
7
SYNCLK
133M 7
66.5M 9
74.125M 1
CLKIN 4
IC8026
IC for VCXO
5 Q0 VC 3
1 8
XTB XT
X8005
6 6
IC8038 IC8039 IC8040
VO VO
VIN VO VIN VO
AVR 5V AVR 9V AVR 1.8V
1 3 1 3
+5V A5V 9.5V A9V +2.5V
80
IC8008
DTV Cable and Terrestrial
Receiver
4
3
27
FDC INP
28 FDC INN
36 FS OUTN
35 FS OUTP
38 FDC AGC
RF_AGC
55 RF AGC
63
IF_AGC
50 IF AGC X8003
SDA_FE 64
119 GPIO0
SCL_FE
120 GPIO1
9 FAT INP
10 FAT INN
53
AUX AGC
XFE_RST
POWER RESET 79
POD_DRX
63
P0D DRX
POD_CRX
- P0D CRX 64
1 52 PDET COMP IN SER_DATA
+
MPEG DATA7 75
49
PDET REF OUT MPEG_DATA_EN
MPEG DATA EN 74
MPEG_PXT_SYNC
MPEG PXT SYNC 112
MPEG_CLK
70
MPEG CLK
SDA 5 59 SDA
SCL 6 58 SCL
SDA1
SDA1
SCL1
SCL1
DATA BUS
ADDRESS BUS
IC8024(4/5)
HDSL PEARK
DQB0
DQB7
DQA0
DQA7
RQ0
RQ7
CTMN
IC8054
CTM
SCK,CMD,SID
AVR 2.5V
+3.3V 1
4 2.5VA
6
REFCLK
PCLKM
SYNCLK
IC8030
UCLK
MCLK
AVR 3.3V
CLK75
CLK270
+5V 1 VIN VOUT 3 +2.5V
VC270
6
IC8055
VO
VIN VO
AVR 5V
1 3
STB5V
6 6 6
IC8043 IC8056
VO VO VO
VIN VO VIN VO VIN VO
AVR 1.2V AVR 5V
1 3 1 3 1 3
+1.8V +1.2V +5V
1
2
3
4
5
6
7
+5V
+5V
TH-37/42PD25U/P
DT-Board Block Diagram