Standart HX290U Service Manual Download Page 10 | Manualshive

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Standart HX290U Service Manual Download Page 10

9

2.4.2 Display (LCD)

Microprocessor QL02 drives LCD QL01 directly. The driving method is dynamic drive using 24 segment terminals, two

common terminals, and a 1/3 duty ratio. The LCD segment and common connections are illustrated below.(Figure2-7)

COM0

COM1

SEG0

SEG1

SEG2

SEG3

SEG4

SEG5

SEG6

SEG7

SEG8

SEG9

SEG10

SEG11

SEG12

SEG13

SEG14

SEG15

SEG16

SEG17

SEG18

SEG19

SEG20

SEG21

SEG22

SEG23

COM0

COM1

COMMON

SEGMENT

Figure 2-7 LCD connection diagram

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Summary of Contents for HX290U

Page 1: ...Hand held Transceiver HX290U KA SERVICE MANUAL Copyright 1999 Marantz Japan Inc All Rights Reserved Printed in Japan HX290UKA131 191 181 111...

Page 2: ...ACKING DIAGRAM AND PARTS LIST 31 9 BLOCK DIAGRAM 32 10 SCHEMATIC DIAGRAM 33 10 1 HX290UKA131 33 10 2 HX290UKA191 34 10 3 HX290UKA181 35 10 4 HX290UKA111 36 11 COMPONENT OVERLAY DIAGRAM 37 This service...

Page 3: ...y y MONITOR key u u LAMP key i i SCN scan key o o DIAL key 00 T A Talkaround key 11 H L high low key 22 Keypad Figure 1 1 CH TX BUSY HX290 SCN 1 2 3 A 4 5 6 B 7 8 9 C 0 D DIAL T A H L Monitor indicato...

Page 4: ...input to the reference divider built into the PLL IC The 12 8 MHz reference oscillation signal is frequency divided to 1 2 560 1 2 048 to generate a reference frequency of 5 6 25 kHz 2 1 3 Phase Comp...

Page 5: ...ked 2 2 Receiver Block The reception method is double conversion superheterodyne with a first IF frequency of 44 95 MHz Lower and a second IF frequency of 455 kHz Lower The receiver block comprises an...

Page 6: ...ator Crystal resonator Ceramic filter 6dB bandwidth 6 kHz or greater Second local signal 44 495 MHz Second IF amplifier Noise amplifier Noise wave detector Microprocessor AF power amplifier 16 XH01 44...

Page 7: ...oximately 47 dB QM01 has a built in pre emphasis circuit 6 dB oct frequency characteristics and the high frequency components of the audio signal are boosted and modulated Also the frequency elements...

Page 8: ...I I I I A D A D O I O O I I INT I INT I O O INT O Signal Name SEG05 SEG06 SEG07 SEG08 Vss SEG09 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 KEYO KEYO1 KEYO2 KEY...

Page 9: ...output N C LCD common output N C LCD segment output LCD segment output LCD segment output Power supply 3 V LCD segment output LCD segment output Active Low High High High High Low High High Low High...

Page 10: ...inals two common terminals and a 1 3 duty ratio The LCD segment and common connections are illustrated below Figure2 7 COM0 COM1 SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG...

Page 11: ...T01 QT02 QT11 QL05 QL03 QA02 QT03 pin 3 QT07 pin 8 Common 5V regulator Fuse FA01 Power switch RA01 QL17 S81350HG QL07 UMC5N TX 5V regulator QL20 FP208 QL21 UMG3N RX switch QL26 DTA114YE QL02 pin 98 QP...

Page 12: ...w A to remove the Mic Spk jack cover b Remove the single nut B and remove the power volume and channel knobs c Remove the two screws C Figure 3 1 Power volume knob Channel knob B Antenna ring A Mic Sp...

Page 13: ...the TX RX CONTROL P C board Figure 3 3 D TX RX CONTROL P C board Solder iron Frame packing 3 d Remove the two screws E to remove the switching plate and two clampers e Remove the three screws F The T...

Page 14: ...Audio load 8 Transmission load 50 Standard modulation frequency 1 kHz Standard frequency deviation 3 kHz Wide 1 5 kHz Narrow Maximum deviation 5 kHz Wide 2 5 kHz Narrow Channel space 25 kHz Wide 12 5...

Page 15: ...357 600 MHz N CTCSS 123 Hi 08 357 525 MHz W 357 600 MHz W DCS 023 Hi 09 357 5125 MHz N 357 600 MHz N DCS 023 Hi HX290UKA111 Table 4 4 Channel RX frequency Wide Narrow TX frequency Wide Narrow Tone TX...

Page 16: ...press the MONI key Lo Po Adj mode Turn on the rotary switch while holding down the LAMP key Turn on the rotary switch while holding down the LAMP key Press the MONI key to write into the memory Tight...

Page 17: ...ator AC Voltmeter RF Dummy Load 50 ohm Oscilloscope Deviation Power Meter Directional Coupler MIC Use a microphone plug of the type shown below when adjusting the transmitter block CAUTION DC 7 2V Pow...

Page 18: ...C Board TP Test Point P100 TX RX CONTROL P C Board Shown from component side Shown from solder side TX PLL lock voltage adj RX PLL lock voltage adj Tone deviation balance adj Max deviation adj 4 2 Adj...

Page 19: ...f At this point adjust RM52 so that the waveform is a square wave g When the adjustment is complete power off the transceiver The transceiver reverts to the normal mode Deviation confirmation Wide a S...

Page 20: ...power is 0 8 W 2 0 W at the channel of 00 and 02 k When the adjustment is complete power off the transceiver The transceiver reverts to the normal mode 4 3 3 Receiver Block Reception sensitivity confi...

Page 21: ...level is 0 dB emf SmarTrunk II terminal confirmation a Set the transceiver channel to 01 b Set the standard signal generator SSG as follows Frequency see Table 4 1 Standard modulation frequency 1 kHz...

Page 22: ...on Wide 25 kHz Narrow 12 5 kHz Operation voltage range 6 0 to 9 0 VDC Operation temperature range 30 C to 60 C Modulation Wide 16F3 15F2 Narrow 11F3 10F2 Antenna impedance 50 Dimensions 130 H x 56 W x...

Page 23: ...D4003035 DD4XXXX35 DD4XXXX36 DD4XXXX37 CG 0 30 CH 0 60 CJ 0 120 CK 0 250 PH 150 60 PJ 150 120 RH 220 60 RJ 220 120 SH 330 60 SJ 330 120 SL 330 1000 TH 470 60 TJ 470 120 UJ 750 120 6 PARTS LIST Parts l...

Page 24: ...DD99060300 6 pF 0 1pF F3 F9 CF20 1 DD99070300 7 pF 0 1pF F8 CF20 1 DD99080300 8 pF 0 1 pF F1 CF21 1 DD95150300 15 pF 5 CF22 1 DK96103300 0 01 F 10 CF23 1 DD95101300 100 pF 5 CF24 1 DK96102300 1000 pF...

Page 25: ...00 1000 pF 10 CM41 1 DK96102300 1000 pF 10 CP01 1 DD95470300 47 pF 5 CP02 1 DD95470300 47 pF 5 CP03 1 DD95470300 47 pF 5 CP04 1 DK96103300 0 01 F 10 CP05 1 EY10601070 10 F 10V CP06 1 EY47501670 4 7 F...

Page 26: ...YU01004700 LCD ZEBURA FCS TYPE JL02 1 YU08003700 SP ZEBURA GBU TYPE JL03 1 YU08003700 SP ZEBURA GBU TYPE JL04 1 YJ07010060 SFV16R 2STE1 JT01 1 YJ90001380 TNC JACK LF01 1 ML00902010 ELM09F40FHAJ 0 2 0...

Page 27: ...20060050 HN2D01FU QP02 1 HC10133180 MB15E03 PLL IC QP04 1 BA21107000 DTC114YE RN1107 QP05 1 HX346172A0 2SC4617 Q R QP06 1 HY10347000 2SJ347 QP07 1 BA30001210 UMC5N QP08 1 HX350051A0 2SC5005 QP09 1 HZ2...

Page 28: ...5 1 16W RL51 1 NP05102610 1 k 5 1 16W RL52 1 NP05102610 1 k 5 1 16W RL53 1 NP05102610 1 k 5 1 16W RL54 1 NP05104610 100 k 5 1 16W RL56 1 NP05470610 47 5 1 16W RL57 1 NP05224610 220 k 5 1 16W RL58 1 N...

Page 29: ...1 NP05471610 470 5 1 16W RP25 1 NM12203030 220 k 1 1 16W RP26 1 NM12203030 220 k 1 1 16W RT01 1 NP05102610 1 k 5 1 16W RT02 1 NP05472610 4 7 k 5 1 16W RT03 1 NP05152610 1 5 k 5 1 16W RT04 1 NP05470610...

Page 30: ...R SPEAKER 055B 2 51220210U0 FRONT CASE DIE CAST FRAME 056B 1 408B277060 PACKING FOR ECM 061B 1 408B053030 MIC SPK JACK COVER 062B 1 408B277050 PACKING FOR 061B 063B 1 408B010010 SCREW FOR 061B 064B 1...

Page 31: ...3B 032B 070B 081B 106B RA01 N L01 074B 071B 041B 107B JL01 Q L0 1 021B 044B P100 072B 073B 051B 026B 025B 055B 069B 023B 104B 028B 052B 003B JT01 111B 112B 101B 043B 103B S L01 113B 035B 115B 027B 114...

Page 32: ...LIP 009S 1 9010515010 POLYETHYLENE BAG FOR 008S 001T 1 408B851030 OWNER S MANUAL Ref Desig Q TY Part No Description 8 PACKING DIAGRAM AND PARTS LIST Ref Desig Q TY Part No Description HX290UKA131 19 0...

Page 33: ...9 BLOCK DIAGRAM 32...

Page 34: ...33 10 SCHEMATIC DIAGRAM 10 1 HX290UKA131...

Page 35: ...34 10 2 HX290UKA191...

Page 36: ...35 10 3 HX290UKA181...

Page 37: ...36 10 4 HX290UKA111...

Page 38: ...I415B1012 CL15 CL46 QL05 1 2 4 3 2 1 3 1 3 4 5 RL41 QL08 QL25 CL41 RL08 RL07 RL06 TO QL01 LCD PANEL RL17 QL07 R005 QL19 R002 CL44 CL45 QL06 QL18 QL09 JL02 TO SPEAKER JL03 RL70 RL68 RL66 RL65 RL67 RL69...

Page 39: ...RM01 RM06 CM08 FH06 RM37 RH18 CM31 RM45 RM46 CH23 CH22 CH21 FH05 CH15 RH10 QH03 RH08 RP15 CH12 CH18 XH01 QM09 QT01 LP02 CP19 QT10 RF05 RF03 CT22 CT21 LT09 LT07 LT08 CT19 LT11 RT22 CT28 CT18 CT16 RT26...

Page 40: ...Model HX290U KA MARANTZ JAPAN INC 35 1 7 chome Sagamiono Sagamihara shi Kanagawa 228 8505 Japan Printed in Japan 415B855014 1999 10 HX290UKA131 HX290UKA191 HX290UKA181 HX290UKA111...

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