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F-93
• CXA1355L(VHF-UHF TUNER)
Pin Function
No. Pin name
Function
1
IF OUT
IF output terminal
2
MIX OUT1
Mixer output and IF Amp input
3
MIX OUT2
4
VHF IN1
VHF input terminal. Normally, pin
(1)
is grounded with the capacitor and input to pin
e.
5
VHF IN2
6
GND
GND terminal
7
OSC OUT/
OSC output for PLL and U/V switching terminal.
Connected to 9V via a resistance of app-
SW
rox. 5 KOhms for VHF reception. Connected to OV (OPEN) for UHF reception.
8
V OSCB
VHF oscillator. Pin @ is an open
collector.
Connected
to the power source via a resistance of
10
V OSCC
approx. 500 Ohms or a choke coil.
9
VCC
Power source terminal (9V).
11
UHF IN1
12
UHF IN2
by
UHF input terminal. Input to pin (ED and C1)
differential.
13
GND
GND terminal
14
U OSCC
UHF oscillator. Pin
g
is an open collector connected to the power source via a resistance of approx.
15
U OSCB1
500 Ohms or a choke coil.
16
U OSCB2
57
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