Panasonic NV-FJ621B, Service Manual

Page: 36 / 92

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
TUNER 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/B/E/F
330P:C/D
R0727
0
R0717
470
C0719
0.1
C0708
50V
0.47
C0717
33P
6 4
1 2 3
T0701
EQV5EC082P:A/B/E/F
EQV5EC083P: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/B/E/F
1.8u:C/D
C0710
0.01
X0704
VLF1493:
A/B/E/F
VLF1495:
C/D
L0701
0.18u:A/B/E/F
0.22u:C/D
PP0701
(TO TUNER UNIT)
1
2
3
4 4MHz
AGC
IF
GND
R0715
22K C0711
16V22
C0715
3P:
A/B/E/F
12P:C/D
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 (D-10)
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/B/
E/F)
(C/D)
R0728
0
(C/D)
R0729
10K
X0701
VLF1416:A/B/E/F
VLF1417:C/D
R0743
1K
R0742
150
C0721
120P:
A/B/E/F
82P:C/D
Q0702
2SD601A
R0740
470
SIF/QPSK
R0741
220
R0713
0
C0707
50V2.2
R0745
3.3M
VR0701
10KB
2.4
2.6
5.0
3.1 2.4 1.6 3.0 2.7 2.2 3.3 4.3 4.3 1.8 0 1.3
2.6 2.4 2.2 3.3 2.8 2.8 5.0 1.6 0.1 4.0 2.4
(AMP)
1.6
3.3
3.6
2.6