Alinco DR-570T/E Service Manual
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Alinco DR-570T/E Service Manual

Alinco DR-570T/E Service Manual

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•SPECIFICATIONS ................................... . . . .
•PARTS LIST............................................... . . . .3 - 9
•CABINET PARTS LOCATION ................. . . . .
•ADJUSTMENT (VHF)................................ . . . .
•ADJUSTMENT (UHF)................................ . . . .
•BLOCK DIAGRAM ................................... . . . .
•SCHEMATIC DIAGRAM
•VHF MAIN PC BOARD ............................ . . 21,22
• UHF MAIN PC BOARD ............................ .. 25, 26
•VHF PLL, VCO PC BOARD ....................
DR-570T/E
Service Manual
Index
2
10-13
.........
14
15
16
17
........................ _ _
18
. . . . .. 23,24
27
27
•UHF PLL, VCO PC BOARD ............................
•VOL PC BOARD...............................................
• POWER SUPPLY PC BO ARD........................
•CPU SCHEMATIC DIAGRAM ........................
•CPU PC BOARD...............................................
•CONTROL PC BOARD ....................................
• X 'CON SCHEMATIC DIAGRAM .....................
• X 'CON PC BOARD...........................................
•VHF FINAL PC BOARD...................................
•UHF FINAL PC BOARD...................................
•CTCSS SCHEMATIC DIAGRAM.....................
.......................................
AUNCO
28
28
29
29
30
31
.............
32
33
34
35
36
37
37
38
39
................................
40
..
40

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Summary of Contents for Alinco DR-570T/E

  • Page 1: Table Of Contents

    AUNCO DR-570T/E Service Manual Index • UHF PLL, VCO SCHEMATIC DIAGRAM..•SPECIFICATIONS ........•UHF PLL, VCO PC BOARD ......•PARTS LIST...........3 - 9 10-13 •VOL PC BOARD..........• DISASSEMBLING PROCEDURE ..•CABINET PARTS LOCATION .....

  • Page 2: Specifications

    SPECIFICATIONS ■ G e n e r a l Frequency Coverage ..144.00-147.995 MHz (TX), 130-169.995 MHz (RX) 440.00-449.995 MHz (IX ) (RX) (U. S. Version) 144.00-145.9875 MHz (TX), 130-169.9875 MHz (RX) 4 3 0-4 40 MHz (Europe Version) Frequency Resolution..5 ,1 0 ,1 2 .5 ,2 0 and 25 kHz, steps Antenna Impedance....

  • Page 3: Parts List

    ■ PARTS LIST Ref. Ref. Ref. Part Code Part Name and Number Part Code Part Name and Number Part Code Part Name and Number VOL Unit RK0076 XD0112 RK0039 XD0097 RK0018 XD0100 RV0013 XD0100 RK0006 RV0012 RK0039 XD0100 RK0018 UE0062 XD0100 RK0035 XD0100...
  • Page 4 Ref. Ref. Ref. Part Code Part Name and Number Part Code Part Name and Number Part Name and Number Part Code QC0067 XE0013 CU8002 QC0062 XT0081 CE0189 XT0031 CE0188 XC0001 heramic XT0031 CE0186 Chemical XT0017 CE0188 XF0004 XT0041 CU8003 XT0041 C2012B1 0.033 CU8034 XQ0033...
  • Page 5 Ref. Ref. Ref. Part Name and Number Part Name and Number Part Code Part Code Part Name and Number Part Code CU8001 RK00S2 CU0035 RK0056 CU8001 CU8001 RK0052 CU8001 CU0006 RK0018 CU0011 CE0189 CU0023 RK0018 CU0011 CE0044 RK0039 CU8001 RK0052 CU0007 CU0051 RK0059...

  • Page 6: Cpu Unit

    Ref. Ref. Ref. Part Code Part Name and Number Part Code Part Name and Number Part Code Part Name and Number CS0060 CU8006 C2012B1E0.022 XB0002 CU8002 CU8001 RK0051 CU8001 CU8006 RK0069 CU0006 CU8006 CU8001 CU8007 RK0079 RK0079 CU8006 RK0064 QC0045 CS0057 RK0062 CS0057...

  • Page 7: Control Unit

    Ref. Ref. Ref. Part Code Part Name and Number Part Code Part Name and Number Part Part Name and Number RK0020 RKOOS6 EP0006 RK0056 RK0052 EP0006 RK0042 RK0035 ED0001 RK0056 RK0048 RK0107 RK0079 RK0107 UU0007 RK0107 UUOD07 RK0069 RK0045 RK0107 UU0007 RK0107 UU0007...
  • Page 8 Ref. Ref. Ref. Part Name and Number Part Code Part Name and Number Part Code Part Name and Number Part Code TZ0021 CU8001 CU8035 CU8001 CU8038 RK0064 CU8001 CE0097 CU0027 RK0052 CU8002 RK0040 CU0051 CU0053 CE0198 F/10 V CU8024 RK0059 RK0052 CE0198 CU8024...
  • Page 9 Ref. Ref. Ref. Part Code Part Name and Number Part Code Part Name and Number Part Code Part Name and Number CTCSS (EJ-5U) Unit (T Only) CU8001 XD0106 XD0014 CU0034 XD0102 UE0097 CU8001 XD0102 UE0077 CU8001 UE0045 CU0018 RK0107 CE0044 RK0107 XA0020 CU8001...

  • Page 10: Disassembling Procedure

    ■ DISASSEMBLING PROCEDURE Removing Upper Case Removing VHF (144 M) Main PCB Removing Lower Case...
  • Page 11 Removing UHF (430 M) Main PCB Removing Crystal Converter PCB Removing Shield Plate beneath Crystal Converter...
  • Page 12 Removing Front Panel (1) Remove 4 knobs (H). (2) Release 3 hooks (I). (3) Remove 2 nuts (Z). Removing CPU PCB (1) Remove 4 screws (J). Removing VOL PCB (1) Place Unit upright, and remove 2 nuts (K). (2) Disconnect connector (CN N). Removing Control PCB (1) Remove 4 screws (L) and one screw (M).
  • Page 13 Removing Rear Assembly (1) Remove 4 screws (N). Removing Power Supply PCB (1) Turn over assembly, and remove 2 screws (O). (2) Disconnect soldered portion (P). (3) Remove 6 screws (Q), 2 screws (R), 1 screw (S), and Disconnect 2 soldered portions (T). Removing Duplexer PCB (1) Turn over Unit, and remove 6 screws (U).

  • Page 14: Cabinet Parts Location

    ■ CABINET PARTS LOCATION Réf. Ref. Ref. Part Name and Number Part Name and Number Part Name and Number Part Code Part Code Part Code Screws Mechanical Parts...

  • Page 15: Adjustment (Vhf)

    ■ ADJUSTMENT (VHF) Adjustment Item Adjustment method point(s) VCO Voltage [D]TC1 At 445.000 MHz (T) or 435.000 MHz (E), adjust TC1 so that the voltage of TP3 on substrate is 1.8 V. (VCO BOX) At 445.000 MHz (T) or 435.000 MHz (E), pressing the PTT button, adjust TC2 so that the voltage of TP3 on [¥] substrate is 3.8 V.

  • Page 16: Adjustment (Uhf)

    ■ ADJUSTMENT (UHF) Adjustment Item Adjustment method point(s) At 445.000 MHz (T) or 435.000 MHz (E), adjust TC1 so that the voltage VCO Voltage ]TC1 of TP3 on [ ] substrate is 1.8 V. (VCO BOX) At 445.000 MHz (T) or 435.000 MHz (E), pressing the PTT button, adjust TC2 so that the voltage of TP3 on [|] substrate is 3.8 V.

  • Page 17: Block Diagram

    ■ BLOCK DIAGRAM...

  • Page 19: Vhf Main Schematic Diagram

    ■ VHF MAIN SCHEMATIC DIAGRAM...
  • Page 21 < l o o...

  • Page 22: Uhf Main Schematic Diagram

    ■ UHF MAIN SCHEMATIC DIAGRAM k — r> | - Z 3 | t o m e...
  • Page 26 N3+M 3tO \ !■» --------------- 1 11 *Jf °, — J < -k 1 1 I l i T y ^ io o o X .D ¡ ¿ < ^ 1 £ . * Ï0 O ' 0 * * 1 N i e r a i *»<...
  • Page 27 Ç - 1 ° ® o o i > îi W Q E E I v f / fgiâl fTcil ii*t ,i n i i i l io '^ÏÏTJ] [W ]^ / 32 31 l*]<* « is I M I I I I jm nm w d I I M M 1 L_i—1...
  • Page 29 QUV09 Od NIVIAI dHfl ■...
  • Page 31 (J 8 P I0 S ) = I S ^ f i L fflifÇ S3 5 | 00*0 iíá > i ° B +$r$8t r» l T T T SE, 4 m & m rn ö m i í l & * ■...

  • Page 32: Vhf Pll, Vco Schematic Diagram

    ■ VHF PLL, VCO SCHEMATIC DIAGRAM VHF PLL, VCO PC BOARD i m j r - 1 17.Q...
  • Page 33 ■ VHF PLL, VCO SCHEMATIC DIAGRAM VHF PLL, VCO PC BOARD PLL (Part) VCO (Part) + ■ ' W L , * \ X 6 11‘ 2 1 1 ¿ r c / i ^ m .

  • Page 34: Uhf Pll, Vco Schematic Diagram

    ■ UHF PLL, VCO SCHEMATIC DIAGRAM UHF PLL, VCO PC BOARD o° lit.- [’iTr.

  • Page 36: Vol Pc Board

    ■ VOL PC BOARD ■ POWER SUPPLY PC BOARD...

  • Page 37: Cpu Schematic Diagram

    ■ CPU SCHEMATIC DIAGRAM > > ■ 3 :5...

  • Page 38: Cpu Pc Board

    ■ CPU PC BOARD € - 3 1...
  • Page 39 (Part)

  • Page 40: Control Schematic Diagram

    ■ CONTROL SCHEMATIC DIAGRAM...
  • Page 41 (UBd)
  • Page 42 (Part)

  • Page 43: Con Schematic Diagram

    ■ X’CON SCHEMATIC DIAGRAM © i S...
  • Page 45 (Part) 0 SP ■* « é 1 7 ^ <2 ~§ ° 5J» ->» W IS L 6 V A */> h j q ^ Ü P (T : n f ' i # 0 ! « « “ A 1- l r □o i2 r...

  • Page 46: Final, Duplexer Schematic Diagram

    ■ FINAL, DUPLEXER SCHEMATIC DIAGRAM...

  • Page 47: Vhf Final Pc Board

    ■ VHF FINAL PC BOARD \~_~y CÏ4 l i t — < V / " t A r r « r / , t r W 31 £50 0 00 ■ UHF FINAL PC BOARD 4 - 7 0 ? C T I *^5 3 47Df>...
  • Page 48 ■ VHF FINAL PC BOARD (Part) Q C Q w '■■■'. ^ - " ' • ■ • = ' «¡1 f t l Z :.;• • • . . % > • :;:[ (Solder) UHF FINAL PC BOARD ‘ “...
  • Page 49 lAlVÜOVIQ 0I1VI/\I3H0S SSOIO ■ (Ä|UO I )

  • Page 50: Ctcss Pc Board

    ■ CTCSS PC BOARD (T only) Qy047 2SC2Z IM 3,9 )C (5T0K 2 M R \ 3 “ [ f & 4 C M / » I I t r c 2 MN 6520 * O K 7 7 / 2 2 J t C I O i (Main) 2 S C...

  • Page 51: Duplexer Pc Board

    ■ DUPLEXER PC BOARD (Part) (Solder) ■ TONE SQUELCH SCHEMATIC DIAGRAM...

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