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2-3-2. PAL B/G, I NICAM SYSTEM
1. PIF COIL (NICAM)
Adjustment Parts
Checking Point
L104
• Connection Method
J1
minimum
L105
• Adjustment Procedure
1) Supply +12V DC to Pin No.1, and GND to Pin No 2. of 102
2) Connect the signal generator output to pin 3 and GND to pin 2 of P102.
3) Connect the oscilloscope to TP2.
4) Adjust L104 to obtain the minimum DC voltage of TP2.
Measuring Equipment
Oscilloscope
TP2
Signal Gen.
#2
P102
TP1
#3
L108
J7
L103
TP2
J4
TP3
Z101
J19
IC101
fc: 39.5MHz (I)
GND
OUT
38.9MHz (B/G)
SIGNAL
Output Level: 80dBµV (75Ω loaded)
GENERATOR
Condition of Adj.
EE Mode
97P651111A
J15
D101
TP4
C153
IC104
11
Input Signal
Refer to the
followings
P101
C181
R163
CH-1
Oscilloscope
C178
C176
C182
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