47
BD-V1100, BD-V1110
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
MC44306D [MAIN ASSY (1/12) : IC1903]
• IF Down Converter IC
•
Pin Arrangement
7.2 IC
•
List of IC
MC44306D
TDA8051T
TDA8050T
SCABIP2BUAMTA
570215
MBM29F800BA-70PF
SS38122FB21
BCM3116KPF
STI5600ACV
STI4600ACV
TDA9852H
AD1859JRS
TVP5020CPFP
PDIUSBP11APW
•
Block Diagram
Delay
IF
Amp
AGC
Amplifier
Mixer
Limiter
Comp
Mixer
VCO
Bias
Vcc
Output
GAIN Select
VCO
VCO
AFT Filter Out
AFT Filter In
Output
RF AGC
RF AGC
Delay
AGC
Filter Out
AGC
Filter In
GND
Balance
IF Input
Balance
IF Input
Quadrature
Phase Tweak
0
°
180
°
IF
Amp
Multi-Pole
Filter
Frequency
Doubler
Multi-Pole
Filter
Reactance
Stage
9
8
7
6
15
16
3
13
12
11
10
2
1
4
5
1
4
GND
OUTPUT
GAIN SELECT
BALANCE IF INPUT
BALANCE IF INPUT
AGC FILTER IN
AGC FILTER OUT
RF AGC DELAY
VCC
OUTPUT
QUADRATURE PHASE TWEAK
VCO
VCO
AFT FILTER OUT
AFT FILTER IN
RF AGC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
7. GENERAL INFORMATION
7.1 DIAGNOSIS
7.1.1 TROUBLESHOOTING
Note : Refer to the "Service Know-how (SKB54005)" for the details.