Panasonic TH-42PZ80Q Service Manual page 63

11.23. A-Board (15/18) Schematic Diagram
! A-BOARD TNPH0737S (15/18)
IC1701 C1712
0.01u
16V
C0ZBZ0001525
SPLITTER
C1703
15p
R1706
50V
549
1
N/C RF out1
L1704
R1702 56 ELJRF4N7DFB
2
RF in
C1710
3
R1701 R1703 0.01u N/C RF out2
220 220 D1703 16V
EZJZ0V80008B
R1707
549
D1702
EZAEG2A50AX
C1713
0.01u
16V
!
TU1700
J2MYYY000001
DISTRIBUTOR
C1707
5 6
0.01u
IC1700
16V
C0ZBZ0001525
0V 4
GND
SPLITTER
3
TX R1704
ANT IN 549
2
1
L1701 N/C RF out1
R1700
GND
0 ELJRF4N7DFB
1 2
RF in N/C
RX
C1704
3
N/C RF out2
0.01u
16V
D1700
D1701 R1705
EZAEG2A50AX EZJZ0V80008B
549
C1708
0.01u
16V
C1700 C1709
0.01u 0.1u
L1702 L1703
16V 16V
G1CR39JA0020 G1CR39JA0020
L1700 C1702 C1705 C1706
82p 47p
G1CR82JA0020 50V
50V 50V
18p
C1701
10p
50V
C1711
0.01u
16V
TH-42PZ80Q
A-Board (15/18) Schematic Diagram
127 128
FrontEnd
!
TU1702
ENGE6603KF
TUNER
NC
1
NC
2
NC
3
L-out
4
R-out
5
RF-AGC_Monitor
7
Video-out
8
VB
9 C1745 C1747 C1750 L1717
1000p 0.1u 220u J0JHC0000045
50V 16V 6.3V
BT_Monitor TP1711
11 L1718
BTL J0JHC0000045
12 C1751
C1748
1000p 22u
50V 35V
R1736
SDA
47
14 C1737
R1737
SCL 220p 47
50V
15 C1738
AFT-out 220p 50V
16
+B
17 C1746 C1749 C1752
L1719
IF_Monitor 1000p 0.1u 220u
J0JHC0000045
50V 16V 6.3V
18
IF-AGC
19
IFD-out1
20
IFD-out2
21
TUNER CABLE
C1722
L1710
0.01u R1722
R1717
ELJRF10NJFB 16V 56 0
JK1700
K1TYYYY00011
R1715 R1720
220 220
5V_FE
R1711
91
9
L1715
J0JHC0000045
8
N/C
7
R1712
91
C1756
18p
50V
C1755 C1759
33p 33p
R1718 56 50V 50V
L1711 L1725
C1723
ELJRF10NJFB G1C47NJ00018
0.01u
R1716 R1721
16V
220 220 C1754
27p C1758
50V 47p
50V
C1757
390p
50V
C1716
C1724
0.01u
L1705 0.01u
16V 16V
ELJRF10NJFB
R1708
91
9
8 0V
R1709
91
7
L1706
C1717
ELJRF10NJFB
0.01u
16V
IC1702
C1AB00002993
ANTENNA SWITCH
C1718
1000p 50V
C1719
1000p 50V
R1710 0
AD_UPSEL1
AD_UPSEL2
OOBup (RDC)
129 130
L_ANALOG IF_OUT_P
R_ANALOG
IF_OUT_N
VIDEO_OUT
5V_FE
BT30V
SDA AD_SDA_FE
SCL AD_SCL_FE
AG_RF_AFT1
R1735
0
C1760
L1731
18p
J0JHC0000045
50V
C1764
0.01u
16V
C1768
XF1700
50V
L1727 Q1701 J0C4405B0005
1000p
G1C47NJ00018 2SD0601ARL
C1788
R1746
0.01u
2.7k AP_FDC_RFAGC1 L1735
D1709 16V
G1C1R0JA0074
B0DDBG000002 R1745
C1772 C1775
100
2200p 2200p
50V 50V
C1761 C1762
220p 18p C1789
50V 50V R1741 0.01u
16V
2.2k
C1767
R1744
68p IC1703
1k
50V
C1785
1000p
C1CB00002257
50V
AGC AMP
C1786
1000p
50V
5V_FE
L1730
J0JHC0000045
C1787
C1763 C1765 C1766 C1771 C1779 1000p
R1747 R1750
1000p 0.1u 1000p 50V 50V 50V
1000p 2.2k 100
50V 16V 50V 1000p C1781
1000p
50V
Q1702
B1BBAB000039
C1769
1000p
R1748
50V
1k C1780
R1751
0.01u
33
16V
R1753
22
DOC_LAN_RD-
LANRD- 15
DOC_LAN_RD+
LANRD+
14
13
12
DOC_LAN_TD-
LANTD-
11
DOC_LAN_TD+
LANTD+
10
AB_XDOCRST
EXTRST
9
8
US
7
6
5
DS
4
3
F15V
2
1
C1953 C1958
0.01u 0.1u
A25
25V 25V
TO
DT-BOARD
(DT25)
131 132
63
C1773 C1777 C1783
12p 100p 0.01u
50V 50V 16V
AP_FAT_P
C1974
L1723 1000p R1742
L1732
G1CR39JA0020 50V 100
G1CR22JA0020
C1770 C1776 C1782
L1724 R1754
27p 27p 50V
G1CR39JA0020 68
50V 50V 22p
L1733
C1975 R1743 G1CR22JA0020
1000p 100
50V AP_FAT_N
C1778
C1774 C1784
12p 100p 0.01u
50V 16V
50V
5V_FE
R1739
1k R1749
1.2k AP_RFAGC_OUT
R1738
Q1700 R1752
100
3.9k
2SB0709A0L
AP_IF_AGC
C1791 C1794
0.01u 0.01u
1 GND 20 16V 16V
SAW_Driver_Output_2
2 IF_AMP_Input_1 19
SAW_Driver_Output_1
3 IF_AMP_Input_2 18
GND
C1792
4 GND 17
1000p
RF_AGC_AMP_Input_2 5V_FE
50V
5 VCC 16
RF_AGC_AMP_Input_1
L1738
6 15 J0JHC0000045
AGC_Control
VCC
C1796
7 14 100u C1803
GND
VCC 6.3V 1000p
R1756
0 50V
8 13 AP_FS_OUT_N
IF_Driver_AMP_Output_1
LO_input_2
R1757
9 IF_Driver_AMP_Output_2 12
0 AP_FS_OUT_P
LO_input_1
10 VCC 11
C1804
GND
1000p
C1793
50V
1000p
50V
L1736
G1CR22JA0020
C1797 C1801 C1805
15p 1000p R1758 0.1u
50V 50V 220 16V
AP_FDC_P
C1795 C1798 C1800 R1760
27p 15p 27p 470
50V
50V 50V
AP_FDC_N
R1759 C1806
C1802 220
1000p 0.1u
L1737
50V 16V
G1CR22JA0020
AP_FDC_RFAGC2
R1755
0
OOBup (RDC)
TH-42PZ80Q
A-Board (15/18) Schematic Diagram
133 134
31
32
33
34
35
135