Panasonic PT-50LC13 - 50" Rear Projection TV, Service Manual

Page: 46 / 46

9.6. TUNER SCHEMATIC DIAGRAM
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
NOTE: For placing a purchase order of the parts,
be sure to use the part number listed in the parts list.
Do not use the part number on this diagram.
NOTE:
PARTS MARKED "PT" ARE NOT USED.
TUNER SCHEMATIC DIAGRAM
LSJB3095
TUNER SCHEMATIC DIAGRAM
PT-50LC13
C7106
PT
C7505
3R3/50V
Q7101
2SB1218A
R7107
1K
C7102
1000/6.3V
R7010
1K
IC7501
AN5832SA
1 2 3 4 5 6 7 8 9
10
27 28 29 30 31 32 19 20 21 22 23 24 25 26
11 12 13 14 15 16
17 18
C7518
2R2/50V
C7511
PT
C7519
0.1[KB]
C7513
10/16V
22K
R7504
C7516
0.033[KB]
C7108 PT C7008 0.01
R7507
PT
R7512
0
C7515
0.01
C7509
100/6.3V
C7005
PT
C7504
0.33/50V
U7101
ENG36712GF ENG36708GY
25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
Q7002
2SB1218A
Z7001 LSJA0468
P7001 PT
1 ESD GND
C7503
10/16V
27K
R7505
WA5
R7515
C7512
PT
C7002 1000/6.3V
R7009
330
C7520
0.33/50V
R7509
10K
C7514
0.1[KB]
C7004 33P
2SB1218A
Q7502
C7502
2R2/50V
1800
R7517
C7506
PT
C7001
2200P
R7106
270
C7508
0.022[KB]
R7516
56K
C7104 PT
1000P[KB]
C7007
1000P[KB] C7107
L7101
10U
0.01
C7501
R7104
1K
C7510
2R2/50V
C7507
0.1[KB]
C7105 PT
R7001
1K
L7001
10U
R7101
1K
C7006 PT
R7004
1K
2200
R7502
R7511
10K
2SB1218A
Q7501
R7513
3300
22K
R7506
2200
R7501
C7517
0.22[KB]
R7007
1K
27K
R7503
TP7503
WA10
100
R7510
100
R7508
PT
D7501
PT
D7502
TP7501
WA10
TP7502
WA10
1K
R6529
PT
R6517
0.01
C6501
PT
R6512
100
R6526
100
R6521
PT
R6509
1K
R6525
100
R6536
PT
R6506
PT
R6515
22K
R6507
100P
C6505
100
R6523
100
R6522
0.1
C6504
1K
R6528
PT
R6503
1K
R6532
PT
R6510
100P C6502
0
R6524
100/6.3V
C6503
X6501
Q6501
PT
1K
R6527
PT
R6513
PT R6508
1K
R6511
PT
R6514
100
R6534
PT R6501
100
R6519
100
R6520
100
R6518
1K
R6530
22K
R6502
TP6501
PT
1K
R6531
PT R6504
PT R6505
WA
5
L6501
10K
R6516
P7002
8 GND
7
M_TNR_R_AUDIO
6
GND
5
M_TNR_L_AUDIO
4 GND
3
S_TNR_VIDEO
2
GND
1 M_TNR_VIDEO
100U
L7501
10KB
R7514
1K
R7002
1K
R7003
1K
R7102
1K
R7103
1K
R7105
P7003
13
GND
12
GND
11 33V
10 5V
9
I2C_DATA_5V
8
I2C_SCK_5V
7 SYS_RST_L_5V
6
DTS_CS
5
MAIN_SUB_MSDATA
4
MAIN_SUB_SMDATA
3
MAIN_SUB_SCK
2
DTS_BUSY
1
DTS_REQ
C7101
2200P
C7003
2200P
C7103
2200P
C7109 PT
PT
Q7001
PT
R7005
PT
R7006
R7008
0
C7009
10/16V
C7010 PT
TP7001
VJES0005
TP7101
WA10
2KB
R7011
R7012
1K
D750066-330
IC6501
1 2 3 4 5 6 7 8 9 10
25 26 27 28 29 30 31 32 33 34 22 23 24
11 12 13 14 15 16 17 18 19 20 21
35 36 37 38 39 40 41 42
J7501
WA5
J7502
PT
U7001 ENG36714GF
25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
FILTER
CE
NC
AGC SW
SIF_OUT
WIDEBAND
MATRIX
5V
2R2/50V
AFC
STEREO
SAP
IF OUT IF IN
Vcc
5V
MAIN_TUNER
SW
SIF/BB
AFC 5V
(NC)
PILOT
GND [A
GC]
IIC/PARA
DEMOD
FILTER
SIF
SIF_OUT
L-R/SAP
CANCEL
RMS DET
CANCEL
GND
& MODE SW FILTER
FILTER
SIF/BB
NC
OFFSET PLL
L-R
NC
FILTER
GND
CANCEL
2TNR
FOMO
IF OUT
NOISE
180K
DET
CANCEL
MUTE
NC
SAP OUT SAP SPECTRAL
GND
L+R
VCA
SW
SD OUT
10KB
GND
FM-ANT
IF IN 33V
75us
2200
5V
INPUT
RF-OUT
DE-EMPH
LOCK
LOCK NC
RF-IN GND
NC SD OUT GND
FILTER
WIDEBAND
A
UDIO OUT
GND
FILTER
SPECTRAL
VIDEO OUT
MODE
NOISE
OFFSET L+R
FM-ANT
T-
D
ATA
dbx
L-R/SAP
CLOCK
PILOT
CE
DECORDER
EXPAND
OFFSET
SAP
FILTER
NC
T-
D
ATA
RMS DET
DE-EMPH
CLOCK
[BT]
EXPAND
[BT]
WIDEBAND
50KB
FM-H/NC 33V
DET
NC
SPECTRAL
GND
IIC
DET
[A
GC]
AGC
SUB_TUNER
VIDEO OUT
DEMOD
A
UDIO OUT
P11/INT1
P113/AN3
DTS_CS
TNR2_CS
SCK VSS
TNR1_DEFEA
T_H
LAMP_LED TNR2_AFC VDD
P02/SO/SB0
P31 NC PO
WER_ON_LED
P111/AN1
AFT_ON_H/OFF_L
P13/TI0
or EF0GC4004T4
TEMP_LED
or VSXS0160
X1
GND
REPEA
T_LED
P30
P43 R51
TNR2_LOCK_L
ON_TIMER_LED
P22/PCL
TNR1_SIG_L
S_D
AT
A_IN
EF0EC4004T4
P61/KR1/AN5
DTS_B
USY
P03/SI/SBI
RESET
ST
ANBY_LED
TNR_SERIAL_D
AT
A
GND NC XT1 A
VSS
P42
TNR1_AFC 4.00MHz
TNR1_CS
P110/AN0 XT2 TNR2_SIG_L P60/KR0/AN4
PR
O_TIMER_LED
P20/PT
O0
P33
AFT_ON_H/OFF_L
S_D
AT
A_OUT
TNR1_LOCK_L
P32
R50
P112/AN2
REC_LED
GND
DTS_REQ
TNR2_DEFEA
T_H
P12/INT2/TI1
TNR_SERIAL_CLOCK
R53 P41
P62/KR2/AN6
P00/INT4
IC
P40
A
VREF
P63/KR3/AN7
R52
X2
P01/SCK
P21/PT
O1
P23/B
UZ
P10/INT0
MAIN TUNER
VIDEO LEVEL
(UHF/VHF MAIN TUNER) (UHF/VHF SUB TUNER)
(BUFFER)
(BUFFER)
TO MAIN C.B.A.
P6003
TO REAR JACK
C.B.A. P3501
(BUFFER)
(BUFFER)
SEPARATION
MTS/SAP
SIGNAL PROCESS
TUNER
MICROCONTROLLER
AUDIO SIGNAL VIDEO SIGNAL(MAIN/SUB)
LINK TO I/O CHART
LINK TO VOLTAGE CHART
PT-50LC13
70