Kenwood TM-2550A Service Manual

Also see for TM-2530A: Instruction manual Instruction manual Instruction manual Instruction manual Instruction manual

TM-2550A/E,2530AADJUSTMENTMeasurement AdjustmentItem Condition Test Specification/Remarksquipment ; Unit {Terminal | Unit Part Method7. DISCRI 1) ANT AF V.M {Rear {SP COMP, {L17 MAXS/N 6.060 (KM) panel5.060 (W,T)ANT SSG MOD. : 1kHz,DEV. 3kHzOutput: 60dB8u2) ANT SSG 12dB SINAD or more.Output : —6dBy(144 00-147 98MHz)8.S-Meter ~— $1) MOD. 1kHz: DEV, 3kHz S-LCD Front . |COMP. [VRE _— IS-LCD should light.6.060 (KM) panel5.060 (W,T)SSG output: 16d8u9. Vacant CH 1) SSG output : —8dBy COMP. IVR3 Adjust thresholdlevel MOD/DEV. OFF point.Short both TP3 terminals.10.SQ SEN. 1) Threshold point : no signal Front |SOQLVR Audio noise.will dis- (8: 30~12: 00panel appear.C.TUNE indicatoroff.2) SSG output : -12dBu C.TUNE indicator SQ open.lights.TX ADJUSTMENTMeasurement AdjustmentItem Condition Test Specification/Remarkslequipment | Unit (Terminal | Unit Part Method1. DRIVE 1) Transmit. POWER {PLL DO PLL TC2,3 |MAX 0,.5—-0.7WDisplay : 6.000 (KM) (3W) In case of 0.25—0.45W (TM-2530A)5.000 (W,T) DO terminal TM-2550A/E, reduceDisconnect the coax. cable from oa RF output from peakthe DO terminal in the COMP. ES en onn2-05 point to 0.04W downunit. by TC3 (capacity ofConnect the power meter to Power meter TC3 will decrease thethe DO terminal in the COMP. position.)unit.2. POWER 1) Connect the coax. cable from |P.M Rear {ANT FINAL |VR3 /47W ADJ. (KM) 47W+0.5Wthe DO terminal in the COMP. |Ammeter |panel 28W ADJ. {W,T) 28W+0.5Wunit. in the DC RF LCD All RF-LED’s should light.Display : 7.995 (K,M) power* §,995 (W,T) supply.2) 4.000—7.995 (KM) 43-~-54W or less.9.5A or less (K,M)4,000—5.995 (W,T) 24—33W or less.6.5A or less (W,T)3. LOW 1) HI/LOW SW : LOW Power ANT FINAL |JVR4 5W ADJ. 5W+0.5WPOWER Display : 6.000 (K,M) meter5.000 (W,T)4, RF METER |1) Confirm, then, RF-LCD COMP. iVR4 Adjust 5 LED'sHI/LOW SW : Hi reading.5--7 PROTEC- {1) FINAL unit FINAL j|VR2 MAXTION 2) Display : 6.000 (KM)(null) 5.000 (W,T)Transmit. Power Rear |ANT 45W or more (K,M)meter panel 25W or less (W,T)DC multi- [FINAL TP FINAL |VR1 MIN 0.5V or less.meter33