Alinco DR-235 TMk III, Service Manual

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5) TA31136FN (XA0404)
Narrow Band FM IF IC
It 15 14 13 12 11 10 9
3
o
n
1136
1 2 3 4 5 6 7 8
1. OSCIN
2. OSC OUT
3. MIX OUT
4. Vcc
5. IF IN
6. DEC
7. FILOUT
8. FILIN
9. AF OUT
10. QUAD
11. IF OUT
12. RSSI
13. N-DET
14. N-REC
15. GND
16. MIX IN
6 ) L A 4 4 2 5 A ( X A 0 4 1 0 )
5W Audio Power Amplifier
1. Input
2. Small signal GND
3. Large signal GND
4. Output
5. Vcc
¿ X
LA4425
* * *
WI LJI I Ui
Test Circuit
1 2 3 4 5
7 ) B R 2 4 L 3 2 F J ( X A 0 6 0 4 Z )
32K-Bit EEPRO M
8
7 6 5
R R R R
1. AO
2. A1
3. A2
4. Vss
5. SDA
6. SCL
7. WP
8. Vcc
Name Function
A0...A2
Vss
SDA
SCL
WP
Vcc
User Configurable Chip Select
Ground
Serial Address / Data / I/O
Serial Clock
Write Protect Input
+2.5 ~ 6.0V Power Supply