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World of Ham Radio 1997
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WOHR97_AmSoft_(1997-02-01).iso
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asb0986.txt
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==============================================================================
K E N W O O D
>>> A M A T E U R R A D I O S E R V I C E B U L L E T I N <<<
==============================================================================
Kenwood Service Centers
Kenwood Service Corporation Kenwood Service Center, East
2201 East Dominguez Street 829 Lynnhaven Parkway, Suite 130
Long Beach, California 90801 Virginia Beach, Virginia 23452
Telephone 1-310-639-5300 Telephone 1-804-340-1702
==============================================================================
BULLETIN # 986
MODEL: TS-440S
SUBJECT: ALIGNMENT PROCEDURES
Use the Following to update the alignment procedure in your TS-440s Service
Manual. Note that this new data replaces the data in the manual. All the other
information remains unchanged.
Page 91
------MEASUREMENT------ ----ADJUSTMENT----
ITEM CONDITION EQUIPMENT UNIT TERM UNIT PART METHOD SPEC
------------------------------------------------------------------------------
Voltage Power: On DC VM IF 19-5 Check 13.1-14.3
RF Gain: Max 19-9 4.5-5.5
Mode:USB 19-10 7.2-7.8
Receive 9-1 SW "A" VR-4 2.6 +/- .05v
27-4 IF VR-5 8.8 +/- 0.1v
-------------------------------------------------------------------------------
VCO-4 Freq:14.000 DC VM PLL TP-1 PLL T1 3.8 +/- 0.1v
Mode:AM
Disconnect PLL-6 Connector
When PLL Unlocked
Mode:USB Freq Count PLL 3-2 SW "A" VR-7 456.500 Khz
IF Shift Pot:Full CW 457.500 Khz or more
IF Shift Pot:Full CCW 455.500 Khz or less
IF Shift Center Position 456.500 Khz +/- 25 hz
-------------------------------------------------------------------------------
VCO-3 Freq:13.999 Mhz DC VM PLL TP-2 PLL T2 6.2v +/- 0.1
Freq:14.000 Mhz DC VM 2.8-3.6 v
-------------------------------------------------------------------------------
Page 93
S-Meter Freq:14.175 IF VR-2 Set to Zero
(SSB) No Signal
Mode:USB
SSG Output= 0
SSG Output= +8 dbu IF L3 S-1 Turn CCW
From Peak
SSG Output= 40 dbu IF VR-1 S-9 40db +/- 6db
-------------------------------------------------------------------------------