MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
Measuring Circuit Diagram 1
BPF
1K
SW19
1
LIM IN
Vcc 5V
A
TP22B
V14
2
51
1
2
SW14
5V
2
1
TP24
2
2
1
VCO COIL
5549
1
SW22
TP15
TP14
TP16
16
TP21
24
23
22
19
18
17
VCO
15
21
20
14
13
LIM AMP
FM DET
Radio
TV
APC
VIDEO
DET
AMP
QIF DET
AFT
47K
47K
IF AGC
QIF AGC
Radio
TV
AF AMP
SIF AMP
VIF AMP
RF AGC
1
2
3
4
5
6
8
9
10
7
11
12
5V
TP10
N.C
1:1
TP9
TP3
TP1
SW1
TP12
5V
51
1
FM det coil
5923
5V
51
SIF IN
SW10
2
1
VIF IN
TP2
V8
¨ All capacitor is 0.01µF, unless otherwise noted.
¨ The Measuring Circuit 1 is Mitsubishi standard evaluation fixture.
Fig.2