MITSUBISHI ICs (TV)
M52765FP
PLL-SPLIT VIF/SIF IC
VCO coil adjustment methods
1. Input SG2 (fo=58.75MHz, 90dBµ CW) into VIF IN.
2. And adjust the coil until the voltage of AFT output reaches about
Vcc/2=2.5V.
FM DET coil adjustment methods
1. The first thing, adjust the VCO coil.
2. Input SG13 (fo=54.25MHz, 95dBµ CW) into SIF IN.
3. Change the switch of SW13 and SW15 to 2 position.
4. Change to FM RADIO mode (V10=0V).
5. Adjust the DC voltage of AFT OUT to Vcc/2 and SIF det OUT to Low (under 1V).
Material
Frame
Lead plating
Plastic molded
:
:
Copper alloy
Solder plating
Indications
MITSUBISHI Model Number
M52765FP
XXXXXX
Mark lot number
Lot number constitution
9120 34
The first place of the year
(1999)
weekly code
(12th week)
Production
factory code
Running number
MITSUBISHI [ MITSUBISHI ELECTRIC SEMICONDUCTOR ]
