Kenwood PS-50, AT-440, MB-430, PS-430, SP-430, VS-1, YK-88C, YK-88CN, YK-88S, YK-88SN

TS-440

DISASSEMBL

Parts with the exploded numbers larger than 700 are not supplied

Contents

Main KEN WOO D HF TRANSCEIVE R CONTENT S SPECIFICATION (GENERAL (TRANSMITTER S SPECIFICATION S (FREQUENCY STABILITY (RECEIVER TS-440S CIRCUIT DESCRIPTIO . Frequency Element 2 1 f r 4 TS-440S Receiver Circuit Descriptio f . 3 CIRCUIT DESCRIPTIO N o DI I L a a Table 9 Ceramic filter (L72-0351-05) (IF unit CF4 Table 8 Ceramic filter (L72-0356-05) (IF UNIT CF1) AUTO MODE Table 7 Ceramic filter (L72-0315-05) (IF unit CF3 a Table Table 6 MCF (L72-0260-05) (RF unit F2 Fl Table 4 MCF (L71-0259-05) (RF UNIT 2) AF notch circuit D $ 1) Antenna tune IC8 2) Cooling fan circui 3) FULL/SEMI BREAK-IN and VOX circuits 0 Page 4) Speech 4 operation a PLL Theory CIRCUIT DESCRIPTIO N L - 0 to 5 . Digital control circui t Page . Encode CIRCUIT DESCRIPTIO N . Digital displa 3. Key scan inpu - fl I . Static input PD 7800 reset circui 9. VS-1 (option TS-440S CIRCUIT DESCRIPTIO MIm AE mmmlllImm v V unit Band information generation circuit (in the R 13 TS-440S Mode control signal Expand functio 15 14 t . Semi-self test functio 16 SW Monitor Display changes by TEST numbe r / ; " by operate the key in chart then function working properly ; . , Lg SN74LS138H (Control unit IC51) 7 TS-4405 IC3 TC4069B DO O e 9 Wiring example when expanding the rang Range select Channel Select ~~ }BP SN74LSI38 -- Pin nam SEMICONDUCTO R IC2 unit MC3357 (IF SEMICONDUCTO R unit (IF PC2002V ~ :4~ p tPD8255AC-5 (Control unit IC2, 53) SEMICONDUCTO R APD63000 (Display unit IC1 Pin description 015 r PARTS LIST : New Part : for Australi X for Europ TS-44 Page 14 a 3 9 SWITCH UNIT (X41-1610-00 / TS-440S It RF UNIT (X44-1680-00 A (c c 64 E r PARTS LIS T TS-440S It / J g 4 5 / Page a New Part f O4 Cl FINAL UNIT (X45-1470-00 r / iit (X50-2050-00 PLL UNIT M T ft Page Page Page IS-440 S 5 5 (X51-1340-00 FILTER UNIT # / 2 4 CONTROL UNIT (X53-1450-11 1 Page L ) DISPLAY UNIT (X54-1870-00 e / 1!5()-O() 0(57-1 AT UNIT Page SIDE TONE UNIT (X59-1060-00 UNIT (X59-1070-00 . UNIT (X59-1080-00 VOX SELECTIVITY IF UNIT (X60-1300-00 Page Page (0F)Ilkl TS 440 7 m e Page PC BOARD (X41-1610-00) 6 9 SWITCH UNIT PC BOARD VIE t m IN IN W 6 Tl -1 n 2 IJ i - A 0 I I Ti Page Page Page Page Page Page Page Page 45x2 Lx TS-440(A/8) (X60-1300-00 71x MX4 M x2 ) TS-440(B/8 Page TS-4405 N TS-440(E/8) O Page r0 I l 0 0 O ADJUSTMENT T 0 <REFERENCE > ADJUSTMEN T COMMON ADJUSTMEN VOLTAGE CHECK, ADJUSTMEN PLL ADJUSTMENT ADJUSTMEN T s RX 9 3 ADJUSTMENT TX e ADJUSTMEN : SCOP 5612 s ADJUSTMENT e Ac eeee e Page C7a :r 9 7 L I i TOP VIEW Page ADJUSTMEN T BOTTOM VIEW RX SECTION F IC2 TX SECTION i .0 3=KO'= s Page PS-5 0 PC BOARD VIEW (X43-1520-00) AVR UNIT fi L PS-50 PSI O lr X43-1520-0 I PS-43 0 SLP-144B 2N588 2SB51 PS-430 SPECIFICATIONSIPARTS LIS AVR UNIT (X43-1440-00 PS-430 GENERA PARTS LIS VS- 1 (o4 : Dimensions VS-1 SCHEMATIC DIAGRA M ^ uo ~I Page MB-430/SP-43 0 4%, SP-430 PARTS LIST SP-430 SPECIFICATION YK-88S/SN,YK-88C/C N (L71-0221-05) Optio Table 4 CW crystal filter YK-88C (L71-0211-05) Optio AT-440 PARTS LIS Kolii KENWOOD & LEE ELECTRONICS, LTD . LTD

Kenwood - page 87

Models: PS-50 AT-440 MB-430 PS-430 SP-430 VS-1 YK-88C YK-88CN YK-88S YK-88SN