Alinco DX-SR9 T - User Manual

DX-SR9 T / E
Service Manual
CONTENTS
EXPLODED VIEW
1) Front View.................................................... 19,20
2) Main Side .....................................................21-23
PARTS LIST
FRONT Unit........................................................... 24
LCD Unit................................................................24
PA Unit ............................................................. 25,26
MAIN Unit.........................................................27-38
Mechanical Unit.....................................................38
Packing Unit .......................................................... 38
ADJUSTMENT
1) Required Test Equipment ................................. 39
2) Adjustment Spot................................................40
3) PA Unit Adjustment........................................... 41
4) MAIN Unit Adjustment..................................41,42
5) RX Test Specification........................................43
6) TX Test Specification ................................... 44,45
7) Test Specification.........................................45,46
PC BOARD VIEW
FRONT Unit Side A............................................... 47
FRONT Unit Side B............................................... 48
MAIN Side A..........................................................49
MAIN Side A No.1 ................................................. 50
MAIN Side A No.2 ................................................. 51
MAIN Side B..........................................................52
MAIN Side B No.1 ................................................. 53
MAIN Side B No.2 ................................................. 54
PA Side A.............................................................. 55
SCHEMATIC DIAGRAM
FRONT Unit........................................................... 56
MAIN Unit (MAIN CPU)......................................... 57
MAIN Unit (MAIN 1)............................................... 58
MAIN Unit (MAIN 2)............................................... 59
MAIN Unit (MAIN 3)............................................... 60
MAIN Unit (PLL) .................................................... 61
MAIN Unit (SDR)................................................... 62
PA Unit (PA).......................................................... 63
PA Unit (FILTER) .................................................. 64
BLOCK DIAGRAM.........................................65
, INC.
SPECIFICATIONS
General.................................................................... 2
Transmitter .............................................................. 2
Receiver .................................................................. 2
CIRCUIT DESCRIPTION
1) Receiver System.............................................. 3,4
2) Transmitter System.......................................... 5,6
3) Peripheral Circuits............................................7,8
4) PLL Synthesizer Circuits..................................... 9
5) R5F2L3ACANFP#U1 (XA1400 / XA1442) ...10-12
SEMICONDUCTOR DATA
1) NJM4558M (XA0097)........................................ 12
2) BD1754HFN (XA1403)...................................... 12
3) NJM78M05DL1A (XA1118)............................... 12
4) NJM7808FA (XA1106)...................................... 13
5) TC4S66F (XA0115)........................................... 13
6) BU4052BCF (XA0236)......................................13
7) BU4001BF (XA0299) ........................................ 13
8) TA75S01F (XA0332).........................................13
9) LA4425A (XA0410) ........................................... 13
10) TC74HC74AF (XA0459) ................................. 14
11) NJM3357M (XA0742)...................................... 14
12) NJM7805FA (XA0812).................................... 14
13) UPC2710TB (XA0968)....................................14
14) NJM2594V (XA0995) ...................................... 14
15) TC74HC390AF (XA1001) ............................... 14
16) MB15A01PFV1 (XA1010) ............................... 15
17) LM2904PWR (XA1103)................................... 15
18) LM2902PWR (XA1106)................................... 15
19) S80845CLNB (XA1120) ................................. 15
20) TC4SU11F (XA1396)...................................... 15
21) TC74VHC393FT (XA1397) ............................. 16
22) XC9504B092AR (XA1398).............................. 16
23) AD9833BRMA (XA1399)................................. 16
24) R1EX24256ASAS0A#S0 (XA1401) ................ 16
25) M61545AFP#DF0R (XA1402)......................... 17
26) NJM2068V (XA1404) ...................................... 17
27) TC7WB66FK (XA1407)...................................17
28) LM2904PWR (XA1103)................................... 17
29) NJM2783V (XA1525) ...................................... 17
30) Transistor, Diode and LED Outline Drawing ... 18
31) LCD Connection (EL0064).............................. 18

Summary

Specifications Overview

General, Transmitter, and Receiver Specs

Covers general operating parameters, transmitter output, and receiver sensitivity.

Circuit Descriptions

PA Unit Operation and Protection

Describes PA power amplification, cooling fan control, protection circuits, and ALC.

Component Identification

Parts Lists for Major Units

Comprehensive lists of parts for Front, LCD, PA, and Main units.

Adjustments and Testing Procedures

Required Test Equipment

Lists essential equipment needed for radio parameter adjustments and testing.

Adjustment Procedures

Step-by-step instructions for adjusting PA and Main unit parameters.

Test Specifications

Schematic Diagrams

Front Unit Schematic

Main Unit Schematics

PA Unit Schematics

Block Diagram

Overall System Block Diagram

Alinco DX-SR9 T Specifications

General

Mode	SSB, CW, AM, FM
RF Power Output (SSB/CW/FM)	100 W
RF Power Output (FM)	100 W
Power Supply	13.8 V DC
Current Drain (Transmit)	20 A
Antenna Impedance	50 Ω
IF Rejection	70 dB
Audio Output	2 W