8.9.
TV DEMODULATOR PACK SCHEMATIC DIAGRAM
A
B
C
D
E
F
1
2
3
4
5
6
7
8
PK0701
DU7601-19
DU7601-20
DU7601-21
DU7601-22
DU7601-23
DU7601-24
DU7601-25
DU7601-26
DU7601-27
1
2
3
4
5
6
7
8
9
AFC S-CURVE
TUNER VIDEO
REG 5V
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
C0724
220P:A/C/D/E
330P:B
R0727
0
R0717
470
C0719
0.1
C0708
50V
0.47
C0717
33P
6
4
1
2
3
T0701
EVQ5EC082P:A/E
EVQ5EC083P:B
EVQ5EC081P:C/D
D0702
0
R0705
4700
R0707
39K
C0702
1000P
C0703
1
C0701
1
R0708
10K
C0713
6V330
C0714
1
C0704
0.033
R0719
4700
C0712
0.1
10
8
7
6
1
2
3
4
5
L0703
2.2u:A/C/D/E
1.8u:B
C0710
0.01
X0704
VLF1493:A/E
VLF1495:B
VLF1497:C/D
L0701
0.27u:A/C/D/E
0.22u:B
PP0701
(TO TUNER UNIT)
1
2
3
4
4MHz
AGC
IF
GND
R0715
22K
C0711
16V22
C0715
3P:
A/C/D/E
12P:B
R0725
100
IC0701
LA75503
BPF
X
BPF
LIM
AMP
FM
DET
DEEMPHP
FIL
CONT
S PLL
AMP
SW
EQ
AMP
TRAP
X
VIDEO
DET
X
APC
DET
X
1ST
SIF
DET
AGC
LPF
VCO
FLL
AFT
AMP
1ST
AMP
VIF
AMP
IF
AGC
RF
AGC
TO POWER SUPPLY/
RF SECTION DU7601
(B-9)
VIDEO SIGNAL PATH
AUDIO SIGNAL PATH
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR
ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.
R0711
180
R0730
10K
R0701
100K
(A/E)
(B)
R0728
0
R0729
10K
X0701
VLF1416:A/E
VLF1417:B
VLF1430:C/D
R0743
1K
R0742
150
C0721
120P:A/E
82P:B
56P:C/D
Q0702
2SD601A
R0740
470:A/B/E
270:C/D
SIF OUT
R0741
220
R0713
0
C0707
50V2.2
R0745
3.3M
VR0701
10KB
2.4
2.6
5.0
2.6
3.6
3.3
2.4
3.1
1.6
3.0
2.7
2.2
3.3
4.3
4.3
1.8
0
1.3
2.4
2.6
2.2
3.3
2.8
2.8
5.0
1.6
0.1
4.0
2.4
(AMP)
1.6
SW2
SW1
R0731
100
R0732
4700
R0714
5600
LB0701
VLP0147
(C/D)
(A/B/E)
(B)
(C/D)
R0709
100K
X0702
VLF1431
(C/D)
K7501
56P
(A/E)
NV-HV65EC,HV60EB/EBL/EC/EP,HV55EC,HV50EC
TV DEMODULATOR PACK SCHEMATIC DIAGRAM
51
