Panasonic DMR-E53EG Service Manual page 145

PP0701
(TO TUNER UNIT)
4MHz 1
AGC 2
F
IF 3
GND 4
E
D
C
PK0701
4.4
DU7402-19 IIC CLOCK 1
4.2
DU7402-20 IIC DATA 2
0
DU7402-21 TUNER AUDIO 3
0.2
DU7402-22 SIF OUT 4
0.2
DU7402-23 AFC S-CURVE 5
1.0
DU7402-24 TUNER VIDEO 6
5.0
DU7402-25 REG 5V 7
DU7402-26 8
DU7402-27 GND 9
B
A
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.
1 2
R0735
C0730 R0734
100
16V22 6800
C0703 R0711
0.01 5600
R0727
100
C0728 C0717 L0706
50V0.1 0.01 150u
D0703
C0706
MA3Z080E0L
0.01
R0710 L0707
22K 150u
R0709 C0705
C0707
22K 0.01
0.01
L0705
150u
D0701
MA3Z080D0L
R0707 L0704
22K 150u
R0706
22K
C0701 L0703
0.01 0.68u
C0702
150P
L0702
0.18u
C0704 X0704
27P J0B4045A0002
R0708
5600
C0729 R0732 C0723 C0722
0.01 1K 16V100 0.1
2.7
Q0703
2.1
2SB0709AWL
C0708
(AMP)
0.01
C0738
39P
NOTE:DO NOT USE PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR
ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
3 4
C0741
0.01
X0706
EFCKK9453D
1 2 3 4 5
C0743 C0742 C0721 C0720
18P 47P 0.01 0.01
1.9 1.9 4.4 0.1
24 23 22 21
OUTPUT2
SIF-AGC
IC0701
C1AB00001598
SINGLE REFERENCE
QSS MIXER/
INTERCARRIER MIXER
AND AM-DEMODULATOR
NARROW-BAND
FM-PLL DETECTOR
OUTPUT1
1 2 3 4
X0707
2.0 2.0 0.1 2.5
EFCKG3958M
1 2 3 4 5
C0709 C0710
0.01 0.01
C0735
0.01
5 6
R0724
150
4.5
C0739
Q0702 47P
1.6
2SD0601ASL
(AMP) 0
R0733
1.0 39K
1.1
R0738
0
C0734
1500P
QR0702
B1GBHBHH0002
(SWITCHING)
R0713
180
C0733 R0726 C0719 C0740
50V0.22 560 0.47 0
5.0 1.5 1.8 0.1 2.6 4.4
20 19 18 17 16 15 14
VP A GND
DIGITAL
RC VCO VCO
CONTROL
AFC
DETECTOR
VIDEO
TRAPS
VIF-PLL
4.5 TO
6.5MHz
VIF-AGC
TUNER
AGC
AUDIO PROCESSING IIC-BUS
AND SWITCHES TRANSCEIVER
D GND
5 6 7 8 9 10 11
2.5 2.5 2.4 1.2 4.2 4.4
C0714 C0712 R0750 R0757
0.01 0.47 5600 7500
R0741 C0725
0 50V2.2
C0715 C0716 C0726
0.01 390P 1500P
R0722 R0717 R0755 R0756
5600 5600 100 100
VR0701
EVNCYAA03B14
DMR-E53EG/E55EG
VIF Decoder
Schematic Diagram
7 8
0
13
12
2.1
R0737
100