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`C'
INJECT 455kHz SIGNAL (1kHz
MODULATION) AT C98. SET
LEVEL TO -30dBm. IS 1kHz TONE
PRESENT AT SK301 PIN12?
CHECK TR32.
APPLY MODULATED SIGNAL
(AT CHANNEL FREQUENCY) TO
C98. IS TONE PRESENT AT
SK301 PIN 12?
AND L305.
APPLY MODULATED SIGNAL
(AT CHANNEL FREQUENCY)
TO C189/C105. IS TONE
PRESENT AT SK301 PIN 12?
CHECK TR35, TR55,
RE-ALIGN AND CHECK
SENSITIVITY.
NO
YES
YES
NO
NO
YES
TAG10863-1
CHECK TR31, XL11
L10, L11, L101-102.
RPR 561
TM1200 Issue 1
Page 5 - 13
Figure 8: General Fault Finding Guide (3 of 3)
Summary of Contents for RPR 561
Page 40: ...RPR 561 TM1200 Issue 1 Page 3 5 Figure 2 Radio Board Receiver Block Diagram...
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Page 108: ...TM1200 Issue 1 Figure 10 Decoder Component Location Side 1 Page 7 21 22...