MITSUBISHI ICs (TV)
M52769FP
PLL-SPLIT VIF/SIF
Measuring Circuit Diagram1
BPF
SW19
1
1K
Vcc=5V
A
LIM IN
TP22B
2
51
5V
SW21
TP24
2
VCO COIL
5549
1
SW15
1
2
SW22
2
1
2
1
SW13
TP16
16
TP15
24
23
22
21
20
19
18
17
15
14
13
VCO
LIM AMP
FM DET
Radio
APC
TV
VIDEO
DET
AMP
QIF DET
AFT
50K
50K
IF AGC
QIF AGC
Radio
TV
AF AMP
SIF AMP
VIF AMP
RF AGC
1
2
3
4
5
6
7
8
9
10
11
12
5V
TP10
N.C
1:1
TP9
TP3
TP1
SW1
TP12
5V
51
1
FM det coil
5923
5V
51
Vcc
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.
MITSUBISHI
ELECTRIC
7
MITSUBISHI [ Mitsubishi Group ]
