DVR-520H-S
116
1
2
3
4
1
2
3
4
C
D
F
A
B
E
QSS MIXER
INTERCARRIER MIXER
AM DEMODULATOR
SIF AMPLIFIER
SIF
AGC
intercarrier
mode
INTERCARRIER
MODE SWITCH
FM-PLL
DEMODULATOR
9
mute
switch
standards
selection
switch
C
SAGC
C
de-em
V
de-em
C
DEC
13
FM
in
QSS
STD
12
3
(1)
5
10
11
audio
video
CVBS
1 V
(p-p)
1.1 V
(p-p)
8
16
20
21
17
18
19
7
(1)
6
15
(1)
4
22
AFC
AF
2
×
f
pc
L/L accent switch
and adjust
T
PLL
C
VAGC
C
BL
TOP
LADJ
VCO2
VCO1
V
P
GND
VIF AMPLIFIER
FPLL
VIF
SAW
SIF
SAW
24
23
2
1
14
VCO
TWD
5.5 MHz
VIDEO
DEMODULATOR
AND AMPLIFIER
SOUND
TRAP
AFC
DETECTOR
VOLTAGE
REFERENCE
TUNER
AGC
TAGC
VIF1
VIF2
SIF1
SIF2
VIF
AGC
TDA9818
MHA663
• VIF/SIF IC
TDA9818TS (TUNB ASSY : IC302)
Summary of Contents for DVR-520H-S
Page 7: ...DVR 520H S 7 5 6 7 8 5 6 7 8 C D F A B E ...
Page 21: ...DVR 520H S 21 5 6 7 8 5 6 7 8 C D F A B E ...
Page 24: ...DVR 520H S 24 1 2 3 4 1 2 3 4 C D F A B E 3 3 TUNB ASSY A IF IF IF T PIF PIF T SIF SIF SIF ...
Page 44: ...DVR 520H S 44 1 2 3 4 1 2 3 4 C D F A B E 3 13 SDEB ASSY CN402 B 2 3 G CN403 SIF ...
Page 119: ...DVR 520H S 119 5 6 7 8 5 6 7 8 C D F A B E Block Diagram ...