Page 1
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.
TUNER SCHEMATIC DIAGRAM
RF-OUT
1
2TNR
MAIN_TUNER
(NC)
GND
FM-ANT
GND
2
43
GND
5V
GND
7
5
6
[BT]
[AGC]
109
8
U7001 ENG36714GF
(UHF/VHF MAIN TUNER) (UHF/VHF SUB TUNER)
NOTE:
Z7001
LSJA0468
U7101
ENG36712GF ENG36708GY
PARTS MARKED "PT" ARE NOT USED.
AUDIO SIGNALVIDEO SIGNAL(MAIN/SUB)
SUB_TUNER
NC
CE
5V
11
12
LOCK
IF OUT
IF IN
33V
CLOCK
T-DATA
16
1413
15
SIF_OUT
191817
SD OUT
20
AFC
21
AUDIO OUT
22
NC
VIDEO OUT
NC
24
25
23
1
RF-IN
GND
GND
FM-ANT
2
43
5V
GND
GND
7
5
6
[AGC]
8
[BT]
5V
NC
CE
CLOCK
T-DATA
11
12
109
1413
15
LOCK
IF OUT
IF IN
33V
16
SIF_OUT
191817
SD OUT
20
AFC
AUDIO OUT
FM-H/NC
VIDEO OUT
NC
21
24
25
23
22
C7001
TP7101
WA10
2200P
C7002
1000/6.3V
10U
L7001
TP7501
WA10
P7001
ESD GND
TO REAR JACK
C.B.A. P3501
M_TNR_VIDEO
GND
S_TNR_VIDEO
GND
M_TNR_L_AUDIO
GND
M_TNR_R_AUDIO
GND
PT
1
TP7001
VJES0005
P7002
1
2
3
4
5
6
7
8
R7501
Q7501
2SB1218A
(BUFFER)
TP7502
WA10
R7502
Q7502
2SB1218A
(BUFFER)
C7003
2200P
C7004 33P
C7005
C7006
C7007
C7008 0.01
2200
2200
MTS/SAP
SIGNAL PROCESS
PT
PT
1000P[KB]
0.01
C7501
IC7501
AN5832SA
R7005
Q7001
180K
PT
R7507
L-R/SAP
3R3/50V
PT
C7506
C7507
100
2R2/50V
R7508
272829303132 1920212223242526
IIC
DECORDER
C7508
0.1[KB]
PT
C7509
100/6.3V
R7509 10K
NC
WIDEBAND
EXPAND
WIDEBAND
RMS DET
IIC/PARA
J7501
WA5
0.022[KB]
GND
SPECTRAL
EXPAND
SPECTRAL
RMS DET
AGC SW
100
R7510
1K
R7001
1K
1K
1K
R7003
R7002
R7004
D7501
PT
27K
27K
R7505
R7503
2R2/50V
22K
C7502
22K
R7504
R7506
NC
AGC
MATRIX
& MODE SW FILTER
OFFSET
CANCEL
123456789
C7504
C7505
C7503
10/16V
0.33/50V
PT
R7006
PT
C7009
1K
R7007
D7502
PT
10K
2R2/50V
PT
R7511
C7511
C7510
OFFSETL+R
75us
CANCEL
DE-EMPH
dbx
DE-EMPH
SPECTRAL
L-R/SAP
SW
FILTER
WIDEBAND
FILTER
MUTE
FOMO
MODE
10
11 12 13 14 15 16
MAIN TUNER
VIDEO LEVEL
10/16V
0
R7008
C7010
PT
PT
C7512
SIF
DEMOD
INPUT
VCA
SIF/BB
SW
SAP OUT SAP
FILTER
SIF/BB
J7502 PT
R7011
1K
R7012
R7512
0.01
10/16V
C7515
C7513
Vcc
OFFSET PLL
CANCEL
STEREO
L+R
FILTER
NOISE
FILTER
SAP
DEMOD
FILTER
NOISE
SAP
DET
DET
C7514
C7516
0.1[KB]
2KB
R7009
10KB
0
0.22[KB]
C7517
R7513
0.033[KB]
R7514
10KB
3300
PILOT
CANCEL
C7518
330
R7515
50KB
0.1[KB]
C7519
2R2/50V
R7010
WA5
1K
Q7002
2SB1218A
(BUFFER)
SEPARATION
R7517
1800
2200
R7516
56K
0.33/50V
C7520
1718
PILOT
DET
L-R
FILTER
NC
L7501
100U
TP7503
WA10
L6501
IC6501
D750066-330
LINK TO I/O CHART
TUNER
MICROCONTROLLER
R6502
R6503
R6504
R6505
R6506
R6507
R6508
WA5
C7101
2200P
PTR6501
22K
PT
PT
PT
PT
22K
PT
PT
R6509
41
42
P40
VSS
TNR1_DEFEAT_H
XT1
XT2
12
PT
R6510
C7102
1000/6.3V
10U
L7101
PT
1K
R6513
R6511PTR6514
3940
P41
P43
P42
ON_TIMER_LED
TNR2_DEFEAT_H
X2
X1
RESET
4.00MHz
56
34
C6501
0.01
PT
R6512
C7103
2200P
C7104 PT
C7105
C7106
C7107
C7108
PT
PT
R6517
R6515
3738
R51
R50
REC_LED
REPEAT_LED
PRO_TIMER_LED
STANBY_LED
P33
P32
789
X6501
EF0EC4004T4
or EF0GC4004T4
or VSXS0160
R6516
10K
Q6501
PT
PT
PT
1000P[KB]
PT
100
100
R6519
R6518
34
3536
R53
R52
DTS_REQ
POWER_ON_LED
P30
LAMP_LED
P31
1K
R7101
GND
P00/INT4
DTS_BUSY
TEMP_LED
AVSS
10
1K
1K
R7102
R7103
100
100
R6520
R6521
3233
SCK
P01/SCK
P02/SO/SB0
P62/KR2/AN6
P63/KR3/AN7
GND
12 13 14
11
1K
R7104
100
R6522
P03/SI/SBI
S_DA TA_IN
P61/KR1/AN5
NC
100
R6523
293031
P10/INT0
S_DA TA_OUT
NC
P60/KR0/AN4
GND
DTS_CS
PT
TP6501
AFT_ON_H/OFF_L
0
1K
100
R6524
R6528
R6526
2728
P13/TI0
P11/INT1
P12/INT2/TI1
TNR2_LOCK_L
AFT_ON_H/OFF_L
TNR1_SIG_L
P113/AN3
P111/AN1
TNR2_SIG_L
P112/AN2
17
15 16
1K
1K
1K
R6525
R6527
R6529
C7109
1K
1K
R6532
R6530
2526
TNR2_CS
P21/PTO1
P20/PTO0
TNR1_LOCK_L
TNR1_AFC
P110/AN0
TNR2_AFC
18
19 20 21
1K
C6503
R6531
PT
1K
R7105
C6502
R6534
TNR1_CS
AVREF
100/6.3V
100P
100
P22/PCL
C6505
100
R6536
222324
P23/BUZ
TNR_SERIAL_DA TA
TNR_SERIAL_CLOCK
IC
VDD
0.1
C6504
100P
R7106
270
R7107
Q7101
2SB1218A
(BUFFER)
1K
TO MAIN C.B.A.
P7003
P6003
DTS_REQ
1
DTS_BUSY
2
MAIN_SUB_SCK
3
MAIN_SUB_SMDATA
4
MAIN_SUB_MSDATA
5
DTS_CS
6
SYS_RST_L_5V
7
I2C_SCK_5V
8
I2C_DATA_5V
9
5V
10
33V
11
GND
12
GND
13
LINK TO VOL T AGE CHART
LSJB3095
TUNER SCHEMATIC DIAGRAM
PT-50LC13
Page 2
I/O CHART OF IC6501
Pin No. I/O DescriptionSignal Name
1
-
XT1
2
-
XT2
I
3
RESET
4
I
X1
O
5
X2
6
-
STANDBY_LED
7
-
POWER_ON_LED
8
-
LAMP_LED
9
-
TEMP_LED
10
-
AVSS
11
-
GND
12
-
NC
13
-
GND
14
-
NC
15
I
TNR1_SIG_L
16
I
TNR2_SIG_L MAIN TUNER SIGNAL(L)
17
I
TNR1_AFC
18
I
TNR2_AFC
19
I
AVREF
20
-
IC
21
I
VDD
22
O
TNR_SERIAL_CLOCK
23
O
TNR_SERIAL_DATA
24
O
TNR1_CS
25
O
TNR2_CS
26
I
TNR1_LOCK_L
27
I
TNR2_LOCK_L MAIN TUNER CH FREQUENCY LOCK(L)
28
-
AFT_ON_H/OFF_L
29
I
DTS_CS
30
I
S_DATA_OUT
31
O
S_DATA_IN
32
I
SCK
33
-
GND
34
O
DTS_BUSY
35
O
DTS_REQ
36
-
REPEAT_LED
37
-
REC_LED
38
-
PRO_TIMER_LED
39
-
ON_TIMER_LED
40
O
TNR2_DEFEAT_H
-
41
TNR1_DEFEAT_H
42
-
VSS
(Not used)
(Not used)
RESET(L)
4MHz OSCILLATION
4MHz OSCILLATION
(Not used)
(Not used)
(Not used)
(Not used)
GND
GND
(Not used)
GND
(Not used)
SUB TUNER SIGNAL(L)
SUB TUNER AFC
MAIN TUNER AFC
V-REF FOR IC6501
(Not used)
VDD(+5V)
TUNER SERIAL CLOCK
TUNER SERIAL DATA
SUB TUNER CS(H)
MAIN TUNER CS(H)
SUB TUNER CH FREQUENCY LOCK(L)
(Not used)
DTS CS(H)
SERIAL DATA 0
SERIAL DATA 1
SERIAL CLOCK
GND
DTS BUSY(L)
DTS REQUEST(L)
(Not used)
(Not used)
(Not used)
(Not used)
TUNER AUDIO DEFEAT(H)
(Not used)
GND
I/O CHART OF IC6501
TUNER SCHEMATIC DIAGRAM
PT-50LC13
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