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TUNER SCHEMATIC DIAGRAM NOTE: For placing a purchase order of the parts, NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
be sure to use the part number listed in the parts list.
Do not use the part number on this diagram. REFER TO BEGINNING OF SCHEMATIC SECTION.
NOTE:
PARTS MARKED "PT" ARE NOT USED.
Z7001 LSJA0468
2TNR VIDEO SIGNAL(MAIN/SUB) AUDIO SIGNAL
U7001 ENG36714GF U7101 ENG36712GF ENG36708GY
(UHF/VHF MAIN TUNER) (UHF/VHF SUB TUNER)
MAIN_TUNER SUB_TUNER
AUDIO OUT
VIDEO OUT
AUDIO OUT
VIDEO OUT
SIF_OUT
SIF_OUT
FM-H/NC
RF-OUT
FM-ANT
SD OUT
FM-ANT
SD OUT
CLOCK
IF OUT
T-DATA
CLOCK
IF OUT
T-DATA
LOCK
[AGC]
LOCK
[AGC]
RF-IN
GND
GND
GND
GND
IF IN
(NC)
AFC
GND
GND
GND
GND
IF IN
[BT]
33V
AFC
[BT]
33V
NC
NC
NC
CE
5V
5V
NC
NC
CE
5V
5V
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
C7001 C7101
R7010
R7107
PT R7006
MAIN TUNER
1K
1K
PT
C7109
2200P C7003 VIDEO LEVEL 2200P C7103
P7001 PT
2200P C7102 2200P
PT
C7002 1000/6.3V
R7005
ESD GND 1 C7004 33P 1000/6.3V C7104 PT
10/16V
R7011
Q7101
R7008 C7009
R7009 2KB
C7005 PT C7105 PT 2SB1218A
R7106
Q7002 (BUFFER)
270
L7001
10U
10U
L7101
R7012
C7006 PT 2SB1218A C7106 PT
330
1K
(BUFFER)
0
C7007 1000P[KB] C7107 1000P[KB]
C7008 0.01 Q7001 C7108 PT
PT
1K
1K
1K
1K
1K
1K
1K
1K
1K
C7010
R7007
1K
PT
R7105
R7002
R7003
R7102
R7001
R7101
R7103
R7004
R7104
TP7001 TP7101
VJES0005 WA10
TO REAR JACK
C.B.A. P3501 P7002
M_TNR_VIDEO 1
GND 2
S_TNR_VIDEO 3
GND 4
M_TNR_L_AUDIO 5
GND 6
M_TNR_R_AUDIO 7
GND 8
TO MAIN C.B.A.
P7003 P6003
1 DTS_REQ
2 DTS_BUSY
3 MAIN_SUB_SCK