Sony ICF-S79 Service Manual page 10

• Waveforms
1 IC6 @∞ (XIN)
13.3 µ s
2 IC6 #¡ – #¢ (COM0 – COM3)
32 ms
3 IC6 #∞ – $• (LCD0 – LCD13)
32 ms
4 D11 ANODE
440 ns
5 Q11-1 COLLECTOR
360 ns
2 Vp-p
3 Vp-p
3 Vp-p
30 Vp-p
6 Vp-p
– 13 –
• IC Block Diagrams
IC1 TA7358P (ICF-S79V only)
REGULATOR
BIAS
RF
MIX
AMP
2 3 4 5 6 7
1
30 29 28 27 26 25 24 23 22
AM IF DET AGC
AF POWER AMP AM FE
FM
DISCRIMINATOR
FM FE
2 3 4 5 6 7 8 9
1
OSC
8 9
21 20 19 18 17 16
TUNING
METER
FM IF
10 11 12 13 14 15