Radio Shack TRC-447 Service Manual

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TRANSISTORS Unit [V] Unit [V]
Symbol
No.
Pin
TX WXRX
Comment
PA
Mode
Pin
E 0.9 0.8 - -
Q1 C 7.5 7.5 - -
B 1.6 1.2 - -
E 1.7 0.8 - -
Q2 C 7.7 7.2 - -
B 1.6 1.3 - -
E 0.0 0.0 - -
Q3 C 7.6 7.6 - -
B 0.7 0.7 - -
E 0.0 0.0 - -
Q4 C 2.3 2.3 - -
B 0.7 0.7 - -
E 1.7 1.7 - -
Q5 C 7.1 7.1 - -
B 2.3 2.3 - -
E 0.0 0.0 0.0 0.0
Q6 C 0.0 0.0 0.0 0.0
B 0.7 0.7 0.7/0 0.7 WX OFF/1mV
E 0.0 0.0 0.0 0.0
Q7 C 4.2 4.2 4.2 4.2
B 0.7 0.7 0.7 0.7
E 0.0 0.0 0.0 0.0 SQ OPEN/CLOSE
Q8 C 0.0 0/5.0 0.0 0.0
B 0.7 0.7/0 0.7 0.7
E 0.0 0.0 0.0 0.0
Q9 C 6.3 6.3/0 6.3 6.3
B 0.2 0.2/0.7 0.0 0.0
E 0.0 0.0 0.0 0.0
Q10 C 0.0 0.0 0.0 0.0
B 0.7 0.7 0.7 0.7
E 0.0 0.0 - -
Q11 C 0.0 0/0.9 - - RX OFF/1mV
B 0.7 0.7 - -
E 0.0 0.0 0.0 0.0
Q12 C 0.0 0.0 0.0 0.0
B 0.7 0.0 0.7 0.7
E 0.0 0.0 - - NB OFF/ON
Q13 C 0.1/1.9 0.1/1.7 - -
B 0.7/0.6 0.7/0.7 - -
E 6.3/1.2 6.3/1.2 - -
Q14 C 7.6/7.3 7.6/7.3 - -
B 0.1/2.0 0.1/1.7 - -
E 8.0 8.0 8.0 8.0
Q15 C 7.7 7.7 0.0 0.0
B 7.2 7.2 8.0 8.0
E 0.0 0.0 - -
Q16 C 0.9 0.9 - -
B 0.6 0.6 - -
E 7.6 7.6 - -
Q17 C 0.0 0.0 - -
B 7.6 7.6 - -
Symbol
No.
Pin
TX WXRX
Comment
PA
Mode
Pin
E 0.0 0.0 - -
Q18 C 0.0 0.0 - -
B 0.0 0.0 - -
E 0.0 0.0 0.0 0.0
Q101 C 2.7 2.7 2.7 2.7
B 0.6 0.6 0.6 0.6
E 2.6 2.6 2.6 2.6
Q102 C 3.9 3.9 3.9 3.9
B 3.2 3.2 3.2 3.2
E 0.0 0.0 0.0 0.0
Q103 C 3.5 3.5 3.5 3.5
B 0.6 0.8 0.8 0.8
E 0.0 0.0 0.0 0.0
Q104 C 3.3 3.3 3.3 3.3
B 0.7 0.7 0.7 0.7
E 0.0 0.0 - -
Q201 C 12.0 13.6 - -
B 0.0 0.0 - -
E 1.8 0.0 - -
Q202 C 7.5 0.0 - -
B 2.3 0.0 - -
E 0.1 0.0 - -
Q203 C 6.4 0.0 - -
B 0.9 0.0 - -
E 0.0 0.0 0.0 0.0
Q204 C 0.0 0.0 0.0 0.0
B 0.0 0.7 0.7 0.0
E 3.5 3.5 3.5 3.5
Q205 C 0.2 0.2 0.2 0.2
B 3.4 3.4 3.4 3.4
E 0.7 0.7 0.7 0.7
Q206 C 5.8 5.8 5.8 5.8
B 1.3 1.3 1.3 1.3
E 0.0 0.0 0.0 0.0
Q207 C 7.9 0.1 0.1 7.9
B 0.0 0.7 0.7 0.0
E 8.0 8.0 8.0 8.0
Q208 C 0.0 7.9 7.9 0.0
B 7.9 7.2 7.2 7.9
E 0.0 0.0 0.0 0.0
Q209 C 0.0 0.0 0.0 0.0
B 0.0 0.7 0.7 0.0
E 0.1 0.1 - -
Q301 C 4.4 4.6 - -
B 0.8 0.8 - -
E 2.3 2.3 - -
Q302 C 6.1 6.1 - -
B 3.1 3.1 - -
E 0.0 0.0 - -
Q303 C 0.0 7.6 - -
B 0.7 0.0 - -

Radio Shack TRC-447 Specifications

General

Brand	Radio Shack
Model	TRC-447
Category	Radio
Language	English