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Kenwood TK-372G, Руководство по обслуживанию

Kenwood TK-372G - профессиональный портативный радиостанция с диапазоном частот 136-174 МГц и мощностью 5 ватт. Для настройки и обслуживания устройства необходимо скачать бесплатный сервисный мануал с manualshive.com. Расширьте функционал вашей техники с помощью этого подробного руководства.

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R165

R254

X57-588X-XX(A / 2)

J72-0665-12

X57-588X-XX(B / 2)

47

TK-372G

PC BOARD VIEW

TX-RX UNIT (X57-588X-XX)
Component Side View

30622M4102GP

DTA114EE
DTA144EE
DTC114EE
DTC144EE
2SA1362(GR)
2SC4617(S)
2SC4619
2SC4649(N,P)

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2SK1588

UPA572T

2SK1824

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TA7368F

TC35453F

BU4094BCFV

NJM2904V

X9C103SI

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AT29C020-90TI

AT2408SN10SI2.5

48

TA73W01FU
TC75W51FU

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LC73872M

PF0314-03

Component side

Foil side

Pattern 1

Pattern 2

Pattern 3
Pattern 4

TX-RX UNIT (X57-588X-XX) Component Side View
0-11:TK-372G K, 0-16:TK-372G K2,
0-17:TK-372G K3, 0-13:TK-372G K4

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Содержание TK-372G

Страница 1: ...N OF COMPONENTS 22 PARTS LIST 23 EXPLODED VIEW 31 PACKING 32 CONTENTS Antenna KRA 15 Option ADJUSTMENT 33 PC BOARD VIEWS DISPLAY UNIT X54 3250 10 45 TX RX UNIT X57 588X XX 47 SCHEMATIC DIAGRAM 53 BLOCK DIAGRAM 57 LEVEL DIAGRAM 59 KNB 14 KNB 15A Ni Cd BATTERY 60 OPTIONS 61 SPECIFICATIONS BACK COVER Knob ENC K29 5331 03 Knob VOL K29 5332 03 Cabinet assy A02 3568 23 Knob PTT K29 5334 13 Key top K29 9...

Страница 2: ...proper identification PERSONNEL SAFETY The following precautions are recommended for personnel safety DO NOT transmit until all RF connectors are verified secure and any open connectors are properly terminated SHUT OFF and DO NOT operate this equipment near electrical blasting caps or in an explosive atmosphere This equipment should be serviced by a qualified technician only SERVICE This radio is ...

Страница 3: ... 2 2 2 2 2 3 3 3 3 3 keys These are PF Programmable Function keys Press each key to activate its auxiliary function i i i i i SP MIC jacks Connect an optional speaker microphone here o o o o o Display Note The PF keys are programmed with default functions Side 1 key Lamp Side 2 key Monitor A key Scan key Scan Del Add 2 2 2 2 2 key Talk Around 3 3 3 3 3 key RF Power Lo Programmable Auxiliary Functi...

Страница 4: ... 3 Press PTT switch and 2 Tone Encode Select key to transmit and release them to receive 10 RF power low Used to temporarily switch transmission output to low power Turning the function on enables Hi Low Low Low Key states are backed up except in the PC mode when they are reset 11 Scan Pressing this key starts scanning Pressing this key again stops scanning 12 Scan Del Add This key switches the cu...

Страница 5: ...pout delay time TX dwell time or calling you can transmit on the current channel to answer to the call however revert channel is set to priority channel After resume time scan re starts and the transmission channel returns to the priority channel 3 Selected channel The transceiver reverts to the channel before scanning or the channel that you changed during scan 4 Last called channel The transceiv...

Страница 6: ...Save This is the automatic battery saver during standby mode operation The receiver circuit is turned on and off to conserve the battery life 6 Option Signalling DTMF 2 tone Built in DTMF decoder is available for option signalling Built in 2 Tone decoder is available for option signalling It is possible to use individual call group call DBD Dead Beat Disable Note DBD is only DTMF Preset operation ...

Страница 7: ...00ms 770Hz 770Hz 30ms 30ms 30ms REALIGNMENT 1 Modes Mode Function User mode For normal use Panel test mode Used by the dealer to check the fundamental characteristics Panel tuning mode Used by the dealer to tune the radio PC mode Used for communication between the radio and PC IBM compatible Data programming Used to read and write frequency data mode and other features to and from the radio PC tes...

Страница 8: ...5 PC Mode 5 1 Preface The TK 372G transceiver is programmed using a personal computer a programming interface KPG 22 and programming software KPG 56D The programming software can be used with an IBM PC or compatible Figure 1 shows the setup of an IBM PC for programming 5 2 Connection procedure 1 Connect the TK 372G to the personal computer with the interface cable 2 When the POWER is switched on u...

Страница 9: ... TK 372G power ON with the Side1 3 key held down The TK 372G displays CLONE 2 Power on the slave TK 372G 3 Connect the cloning cable to the SP MIC connectors on the master and slave 4 Press the key on the master while the master displays CLONE The data of the master is sent to the slave While the slave is receiving the data PC is displayed When cloning of data is completed the master displays END ...

Страница 10: ...t status All channel data is cleared when pressing 2 key with the blank RX frequency No Function Choices Display Remarks 5 OptionSignaling OFF NONE____ Default DTMF DTMF____ 2 TONE 2TONE___ 6 ID 000 ___ID___ Display when an item is selected 9999999999 about 0 5 seconds 12345678 Display of the current setting If it is 8 or more digits scroll it 987 Display when a code is input Input it with DTMF ke...

Страница 11: ... Setting Mode This is a mode for using the panel keys to make function settings without using the FPU that operate on all channels Pressing the Side1 when SELF is displayed sets the Function Setting Mode Select an item set using 3 then change the selection with the encoder The data displayed using 2 is stored in the memory and then proceeds to the next item Pressing 3 proceeds to the next item wit...

Страница 12: ...arks 5 2 Channel Up KEY3_9 Keylock KEY3_10 Lamp KEY3_11 2 Tone Encode KEY3_16 Select Monitor A KEY3_17 Monitor B KEY3_18 Monitor C KEY3_19 Monitor D KEY3_20 RF Power Low KEY3_21 Default Scan KEY3_22 Scan DEL ADD KEY3_23 Operator KEY3_27 Selectable Tone 6 3 No Function KEY4_OFF Talk Around KEY4_3 Display Character KEY4_5 Home Channel KEY4_7 Channel Down KEY4_8 Channel Up KEY4_9 Keylock KEY4_10 Lamp...

Страница 13: ... 100ms 29 RiseTimewithQT 100 1000 50ms RTWQ_100 Default 100ms 30 DIAL ID Enable DID_ENA 1 Disable DID_DIS Default 31 No of 12Key NODK_12 Default 1 DTMF Key 16Key NODK_16 1 32 DTMFHoldTime ON DHT__ON Default 1 OFF DHT__OFF 33 Store and Send Enable SAS_ENA 1 Disable SAS_DIS Default 34 D Key D Code DKA_D_CD Default Assignment 1 16 1s DKA_16__ 35 DTMF Code SQ DTMS_CSQ Default Signaling SEL CALL DTMS_S...

Страница 14: ...ert time T O T Rekey time T O T Reset time Power on tone yes no Contorol tone yes no WArning tone yes no Battery Save on off Clear to Transpond Signaling Priority Side1 Side1 Side1 Side1 Side1 Side1 Side1 Side1 Side1 Side1 Side1 Side1 Side1 Side1 Side1 Side1 Side1 Side1 Side1 Look back time A Look back time B Revert channel Dropout delay time Dwell time Digit time First digit time Inter digit time...

Страница 15: ...y v 4 Taking cure not to cut the speaker lead b open the chassis and case assembly and pull the speaker lead with connector n Separating the chassis from the unit 1 Remove the three screws Lift the unit X54 and rise up the connecter lever in the arrow with your finger Remove the three hexagonal bosses and remove the twelve screws m 2 Remove the solder from the antenna terminal using a soldering ir...

Страница 16: ...2 AF VOL ANT SW BPF RF AMP Q301 ANT MIXER Q19 1st Local IF AMP Q22 BPF MCF XF1 CF1 Wide CF2 Narrow 2nd Local PLL VCO 5R Q14 Q17 D14 R78 R75 C263 C265 R80 D13 Q23 R98 R108 C133 CD1 R79 W N H Wide L Narrow MXO IFI MXI IFO AFO IC4 FM IF SYSTEM Q22 5R W N C107 R74 C108 CF1 CF2 R81 QAD R105 3 IF Amplifier circuit The first IF signal is passed through a four pole monolithic crystal filter XF1 to remove ...

Страница 17: ...5 1 2 COMPARATER IC18 DTMF DECODE PD CLK SD STD 93 ANSQL TOI 95 FM IF IC4 5 43 Q36 SW Q32 33 34 SW DE EMP MUTE EXP HPF LPF HPF BEF IC14 2 1 IC15 2 2 AF AMP 41 IC11 AF PA AMP Q30 SW SP OUTPUT EXPANDER IC6 5RC SP MUTE 5 7 CPU 3 PLL DATA 16 8MHz REF OSC I M I N PLL IC IC2 PHASE COMPARATOR CHARGE PUMP LPF 5kHz 6 25kHz D2 4 D9 11 Q2 TX VCO Q10 RX VCO Q3 BUFF AMP Q4 RF AMP Q1 RF AMP Q7 8 T R SW 5kHz 6 2...

Страница 18: ...he output voltage of IC3 1 2 with the reference voltage from IC13 and the output of IC3 2 2 controls the VGG of the RF power amplifier to make both voltages the same The change of power high low is carried out by the change of the reference voltage 4 Encode signaling 1 QT DQT QT DQT data of the TOTCXO Line is output form pin 20 of the CPU The signal passes through a low pass CR filter and goes to ...

Страница 19: ...external device Data such as DTMF memories and the operating status are programmed into the EEPROM IC10 Flash Memory Note The flash memory holds data such as written with the FPU KPG 56D and firmware program User mode Test mode Tuning mode etc This data must be rewritten when replacing the flash memory EEPROM Note The EEPROM stores tuning data Deviation Squelch etc Realign the transceiver after re...

Страница 20: ...OM2 COM3 S52 S51 S1 Pin No Name I O Active Function 1 52 S1 S52 O Segment output for displaying data transferred form serial data 53 55 COM1 COM4 O Common drive output Frame frequency fo fosc 384 Hz 56 VDD The display to turn off 57 INH I L INT L Turn off INT H Turn on Apply 2 3 the LCD drive bias voltage 58 VDD1 I form outside If 1 2 the bias is applied connect to VDD2 Apply 1 3 the LCD drive bia...

Страница 21: ...CD chip enable output 46 CNTDAT O Common data output EEPROM LCD SHIFTREG 1bitD AMODEM 47 CNTCLK O Common clock output EEPROM LCD SHIFTREG 1bitD AMODEM Pin Port I O Function No Name Pin Port I O Function No Name 4 W N O Wide Narrow SW Narrow L 5 MUTE O RX audio MIC mute Mute L 6 NC O NC 7 LED0 O RED LED LED lights H 11 BSHIFT O Beat Shift Shift on H 12 REG2 O Base Band IC inter register select 2 13...

Страница 22: ...24 Transistor DC switch LED Red Q25 Transistor DC switch LED Green Q26 Transistor DC switch Squelch Q27 FET DC switch 5T Save Q28 Transistor DC switch 5M Q30 FET SP Mute switch Q31 Transistor Clock frequency shift Q32 34 Transistor DC switch SP Mute Q35 1 2 FET Mute switch MIC line mute Q35 2 2 FET DC switch Q36 FET Mute switch Q301 FET RF amplifier D1 Diode Unlock detect D2 Variable Frequency con...

Страница 23: ...53 14 HOLDER BATT TERMINAL 37 2C J21 4493 04 SP MIC HOLDER 38 2B J21 8377 03 LCD HOLDER 39 1B J21 8378 04 SPEAKER FIXTURE 40 1C J29 0658 05 BELT HOOK 41 2A J32 0925 04 HEXAGON BOSS 42 1B K29 5331 03 KNOB ENCODER 43 1B K29 5332 03 KNOB VOLUME 44 1A K29 5333 13 BUTTON KNOB MONI LAMP 45 1A K29 5334 13 BUTTON KNOB PTT 46 1A K29 5337 03 LEVER KNOB BATT RELEASE 47 1A K29 9043 02 KEY TOP A 3B N09 2319 05...

Страница 24: ...P TAN 4 7UF 6 3WV C32 CK73GB1C104K CHIP C 0 10UF K C33 CC73GCH1H060B CHIP C 6 0PF B K C33 CC73GCH1H080B CHIP C 8 0PF B K3 K4 C33 CC73GCH1H100C CHIP C 10PF C K2 C35 41 CK73GB1H471K CHIP C 470PF K C42 44 CC73GCH1H101J CHIP C 100PF J C45 CK73GB1H471K CHIP C 470PF K C48 49 C92 0001 05 CHIP C 0 1UF 35WV C51 C92 0004 05 CHIP TAN 1 0UF 16WV K K2 C51 C92 0585 05 CHIP TAN 4 7UF 16WV K3 K4 C52 CC73GCH1H020B...

Страница 25: ...F J C194 C92 0507 05 CHIP TAN 4 7UF 6 3WV C196 CC73GCH1H101J CHIP C 100PF J C198 199 CK73GB1H103K CHIP C 0 010UF K C200 CK73GB1A224K CHIP C 0 22UF K C201 CK73GB1H103K CHIP C 0 010UF K C202 203 CK73GB1C104K CHIP C 0 10UF K C204 CK73FB1C474K CHIP C 0 47UF K C205 CK73GB1H103K CHIP C 0 010UF K C206 208 CK73GB1C104K CHIP C 0 10UF K C209 CK73GB1H392K CHIP C 3900PF K C210 CK73GB1H102K CHIP C 1000PF K C21...

Страница 26: ...40 1575 92 SMALL FIXED INDUCTOR 15NH K2 K3 L1 L40 1875 92 SMALL FIXED INDUCTOR 18NH K L1 L40 2275 92 SMALL FIXED INDUCTOR 22NH K4 L2 L92 0138 05 FERRITE CHIP L3 L40 3391 86 SMALL FIXED INDUCTOR 3 3U L4 L33 0744 05 SMALL FIXED INDUCTOR K K4 L4 L33 0750 05 SMALL FIXED INDUCTOR K2 L4 L33 1266 05 SMALL FIXED INDUCTOR K3 L5 7 L34 4546 05 AIR CORE COIL K2 K3 L5 7 L34 4547 05 AIR CORE COIL K L5 6 L34 454...

Страница 27: ...J271J CHIP R 270 J 1 16W R30 RK73GB1J152J CHIP R 1 5K J 1 16W K4 R30 RK73GB1J182J CHIP R 1 8K J 1 16W K3 R30 RK73GB1J472J CHIP R 4 7K J 1 16W K K2 R31 RK73GB1J101J CHIP R 100 J 1 16W R33 RK73GB1J101J CHIP R 100 J 1 16W R34 RK73GB1J473J CHIP R 47K J 1 16W R35 RK73GB1J104J CHIP R 100K J 1 16W R36 RK73GB1J473J CHIP R 47K J 1 16W R37 RK73GB1J392J CHIP R 3 9K J 1 16W R38 RK73GB1J101J CHIP R 100 J 1 16W...

Страница 28: ...1 16W R155 RK73GB1J473J CHIP R 47K J 1 16W R156 RN73GH1J683D CHIP R 68K D 1 16W R157 RK73GB1J102J CHIP R 1 0K J 1 16W R158 R92 1252 05 CHIP R 0 OHM R159 RK73GB1J102J CHIP R 1 0K J 1 16W R160 RK73GB1J222J CHIP R 2 2K J 1 16W R161 RK73GB1J563J CHIP R 56K J 1 16W R162 RN73GH1J333D CHIP R 33K D 1 16W R163 RN73GH1J274D CHIP R 270K D 1 16W R164 RK73GB1J184J CHIP R 180K J 1 16W R165 RK73GB1J473J CHIP R 4...

Страница 29: ...P R 0 OHM K3 K4 VR1 R12 7491 05 TRIMMING POT 68K S401 S70 0457 05 TACT SWITCH S402 403 S70 0424 05 TACT SWITCH MIC1 T91 0579 05 MIC ELEMENT D1 MA2S111 DIODE D2 MA2S376 VARIABLE CAPACITANCE DIODE D3 HVU131 DIODE D4 MA2S376 VARIABLE CAPACITANCE DIODE D5 HSC277 DIODE D6 MA360 VARIABLE CAPACITANCE DIODE D7 HSC277 DIODE K D7 HVC131 DIODE K2 K3 K4 D8 HZU5ALL DIODE D9 MA2S376 VARIABLE CAPACITANCE DIODE D...

Страница 30: ...No Parts No Description Address New parts Destination Destination TX RX UNIT X57 5880 XX K TK 372G K K2 TK 372G K2 K3 TK 372G K3 K4 TK 372G K4 Q31 2SC4619 TRANSISTOR Q32 2SA1362 GR TRANSISTOR Q33 34 DTC144EE DIGITAL TRANSISTOR Q35 UPA672T FET Q36 2SK1824 FET Q301 3SK228 FET ...

Страница 31: ...13 A M3 6x4 N09 2319 05 B M2x3 5 N09 2331 05 C NUT N14 0582 14 D NUT N14 0583 04 E M2 6x6 N30 2606 46 F M2x3 N39 2030 46 G M2x5 N67 2005 46 H f2x4 5 N78 2045 46 I f2x3 N79 2030 46 J f2x5 N83 2005 46 39 H D 38 5 4 11 2 35 Jx8 IC1 G F F 15 17 18 DISPLAY unit 47 16 41 12 B 36 10 TX RX unit A 2 25 26 A 23 B 8 702 21 H TX RX unit B 2 14 E I 704 703 9 44 34 19 46 ...

Страница 32: ...658 05 6 WARRANTY CARD B46 0470 00 31 PROTECTION BAG H25 0085 04 37 SP MIC HOLDER J21 4493 04 K SCREW SET N99 2012 05 27 PACKING FIXTURE H12 1487 02 28 PACKING FIXTURE H12 3093 02 33 ITEM CARTON CASE H52 1698 02 30 PROTECTION COVER H21 0769 04 7 INSTRUCTION MANUAL B62 1388 00 48 BATTERY ASSY W09 0940 15 29 PACKING FIXTURE H12 3094 03 ...

Страница 33: ... Generator AG Frequency Range 50Hz to 5kHz or more Output 0 to 1V 10 Distortion Meter Capability 3 or less at 1kHz Input Level 50mV to 10Vrms 11 Spectrum Analyzer Measuring Range DC to 1GHz or more 12 Tracking Generator Center frequency 50kHz to 600MHz Output Voltage 100mV or more 13 8Ω Dummy Load Approx 8Ω 3W 14 Regulated Power Supply 5V to 10V approx 3A Useful if ammeter equipped The following p...

Страница 34: ...tion You must connect TK 372G display unit when you test or repair the transceiver Extention Flat cable Display unit TX RX unit Frequency and signalling The set has been adjusted for the frequencies shown in the following table When required re adjust them following the adjustment procedure to obtain the frequencies you want in actual operation Frequency MHz K type Channel No RX Frequency TX Frequ...

Страница 35: ... QT 210 7Hz 6 QT 250 3Hz QT 250 3Hz 7 DQT D023N DQT D023N 8 DQT D754I DQT D754I 9 DTMF DEC 159D DTMF ENC 159D 10 None DTMF tone 9 11 2 tone 321 7 928 1Hz ENC 12 Single tone 1200Hz Single tone 1200Hz Preparations for tuning the transceiver Before attempting to tune the transceiver connect the unit to a suitable power supply Whenever the transmitter is tuned the unit must be connected to a suitable ...

Страница 36: ...iation W L F Q T QTfine deviation W C F Q T QTfine deviation W H F D Q T DQTFinedeviation W L F D Q T DQTFinedeviation W C F D Q T DQTFinedeviation W H Wide V Q T Narrow Narrow QTVCObalance Narrow X Q T QTTCXObalance Narrow Side1 Side1 V Q T QTVCObalance Wide X Q T QTTCXObalance Wide V Q T QTVCObalance W L V Q T QTVCObalance W C V Q T QTVCObalance W H X Q T QTTCXObalance W L X Q T QTTCXObalance W ...

Страница 37: ... K Am meter 416 5 MHz 100Hz K4 480 0 MHz 100Hz K2 501 0 MHz 100Hz K3 2 Max Power 1 Adj item HPOW Check 4 2W or more Check Adjust 256 2 Adj item H P O W H P O W H P O W H P O W H P O W Adjust 256 PTT ON 3 Hight Power 1 Adj item HPOW Encoder 4 2W 0 1W Adjust Adjust knob 2 2A or less 2 Adj item H P O W H P O W H P O W H P O W H P O W Adjust PTT ON 4 Hight Power Panel Test Mode Check 1 CH Sig 1 1 Chec...

Страница 38: ...Adj item MAX 2 1kHz Adjust According to PTT ON the larger 8 MIC Panel Test Mode Check 2 2 3 6kHz Sensitivity 1 CH Sig 1 1 Check AG 1kHz 15mV LPF 15kHz PTT ON 9 QT TCXO Adj item X Q T Power meter ANT Encoder Balance Adjust 200 K K2 Dev meter SP MIC connector knob Adjust 229 K3 K4 Oscilloscope Wide Narrow AG 10 DQT TCXO Adj item X D Q T AF VTVM Balance Adjust 150 K K2 Adjust 172 K3 K4 Wide Narrow 11...

Страница 39: ...row 0 35kHz PTT ON 15 DTMF 1 Adj item DTMF Wide 2 5kHz 0 1kHz Deviation Adjust Narrow 1 25kHz Adjust LPF 15kHz Wide HPF OFF PTT ON Narrow 2 Adj item DTMF Adjust PTT ON 16 TONE 1 Adj item TONE Wide 3 0kHz 0 1kHz Deviation Adjust Narrow 1 5kHz Adjust LPF 15kHz Wide HPF OFF PTT ON Narrow 2 Adj item TONE Adjust PTT ON 17 BATT 1 Adj item BATT Power meter ANT Encoder After pressing the BATT terminal Det...

Страница 40: ...G OUT Oscilloscope more Wide 118dBm 0 28µV MOD 1kHz 3kHz Narrow 116dBm 0 35µV MOD 1kHz 1 5kHz 3 Squelch Open 1 Adj item SQL3 Encoder Adjust to the Adjust Adjust knob squelch Wide SSG OUT squelch threshold point 124dBm 2 Adj item SQL3 Adjust SSG OUT Narrow 123dBm 4 Squelch Tight 1 Adj item SQL9 Adjust to the Adjust Adjust squelch Wide SSG OUT 117dBm 0 3µV threshold point Narrow 2 Adj item SQL9 SSG ...

Страница 41: ...ig 3 1 Check wave form to figure 2 fH 3 Sensitivity Panel Test Mode SSG ANT Check 1 CH Sig 1 1 AF VTVM Check 12dB SINAD or SSG OUT Oscilloscope more Wide 118dBm 0 28µV MOD 1kHz 3kHz Narrow 116dBm 0 35µV MOD 1kHz 1 5kHz 4 Squelch Open 1 Adj item SQL3 Encoder Adjust to the Adjust Adjust knob squelch Wide SSG OUT squelch threshold point Wide 123dBm Narrow 2 Adj item SQL3 Adjust SSG OUT Narrow 126dBm ...

Страница 42: ...SG OUT Oscilloscope more Wide 118dBm 0 28µV MOD 1kHz 3kHz Narrow 116dBm 0 35µV MOD 1kHz 1 5kHz 3 Squelch Open 1 Adj item SQL3 Encoder Adjust to the Adjust Adjust knob squelch Wide SSG OUT squelch threshold point 124dBm 2 Adj item SQL3 Adjust SSG OUT Narrow 123dBm 4 Squelch Tight 1 Adj item SQL9 Adjust to the Adjust Adjust squelch Wide SSG OUT 116dBm 0 35µV threshold point Narrow 2 Adj item SQL9 SS...

Страница 43: ...ure 1 fH Tra G setting 40dBm BPF 3 Sensitivity Adj item SENS Tracking generator ANT Encoder knob Adjust wave form Adjustment Adjust spectrum analyzer BPF to figure 2 fL fL S E N S Tra G setting 40dBm Adj item SENS Adjust fC S E N S Tra G setting 40dBm 4 Sensitivity Panel Test Mode SSG ANT Check 1 CH Sig 1 1 AF VTVM Check 12dB SINAD or SSG OUT Oscilloscope more Semi wide 116dBm 0 35µV MOD 1kHz 2 4k...

Страница 44: ...urement Adjustment Specifications Test equipment Terminal Parts Method Remark Adjustment points TX RX unit X57 588 Component side view Foil Side View VR1 Frequency adjustment TC1 Transmit lock voltage adjustment TC2 Receive lock voltage adjustment TC301 TC302 Band pass filter waveform adjustment TC303 BPF Band pass filter test point CV LV Lock voltage adjustment terminal Fig 2 Adjustment points MI...

Страница 45: ...T1 KOUT0 KIN4 KIN3 KIN2 KIN1 KIN0 LMP GND CL DI 5M CE C504 C505 C506 C507 C508 C509 C515 C516 CP501 CP502 CP503 D501 D502 D503 D504 D505 D507 IC501 1 16 48 33 17 32 64 49 L501 L502 Q501 B C E Q502 R501 R502 R503 R504 R505 R506 R507 R508 R509 R510 R512 R514 R517 R518 R519 R520 R521 R522 R523 R524 CN501 C513 R511 R513 R516 R515 DISPLAY UNIT X54 3250 10 Component Side View O N f e R s s e r d d A 1 0...

Страница 46: ...4 C215 R159 C217 C202 C207 R180 R34 R65 VR1 R150 R214 C185 Q31 C193 R146 R155 C189 C165 IC12 1 16 32 17 C192 C213 CP11 CP3 CP4 CP8 CP9 CP5 CP7 CP12 CP13 CP14 CP18 CP16 CP17 CP15 R176 R140 R177 R178 GND PTT LAMP MONI C100 C161 D15 L11 R104 R203 R61 R67 C138 C141 LV C179 C194 C200 C211 CP6 D18 R92 IC1 R249 R250 CN1 1 1 6 CE 5M DI CL GND LMP KIN0 KIN1 KIN2 KIN3 KIN4 KOUT3 KOUT2 KOUT1 KOUT0 SB C229 C2...

Страница 47: ...R37 R304 L18 R23 C11 R5 Q6 E C B Q5 R9 L8 C39 R24 R6 C12 L27 L10 D3 C13 R10 L9 R25 C38 C40 R27 C41 C85 L23 L12 C10 D2 D4 R13 TC1 R16 C45 C33 D6 C22 C17 L3 L25 Q7 R42 R38 Q2 R3 R2 C14 C16 L4 C18 R36 C27 C64 C77 L31 D9 C62 L26 C72 L22 C63 L30 R30 R22 R105 C133 R93 R97 C124 R86 C114 C123 R84 R103 R102 R117 C70 R48 L24 C78 R51 C44 C43 C42 CP1 D1 R8 R7 C1 C2 L1 L14 R14 C36 R21 C37 C4 C5 C48 C49 C32 C14...

Страница 48: ...68 R169 R175 R233 R223 C253 R31 R60 C190 C236 R181 C212 R167 R206 R207 R148 R147 R198 R172 Q35 1 2 3 6 5 4 R138 F1 C104 IC3 1 4 8 5 R59 R151 R127 D G S R133 R137 R224 C162 R120 R121 C180 L41 CP10 CP2 R122 R118 L43 L40 Q15 C111 1 2 R241 R235 R234 R242 C259 R230 R179 C219 R173 R183 R174 R35 R226 R221 C247 R220 R219 R225 R215 C239 C235 C234 C240 C248 C251 CP19 C243 R218 R240 R239 R222 R149 R156 R64 R...

Страница 49: ...A B C D E F G I H J K L M O N P Q S R 1 2 3 4 5 6 7 TK 372G SCHEMATIC DIAGRAM Note Component marked with a dot are Parts of pattern 1 ...

Страница 50: ...RF 416 50MHz K4 RF 460 05MHz K RF 501 05MHz K3 RF 480 05MHz K2 RF 416 50MHz K4 RF 460 05MHz K RF 501 05MHz K3 RF 501 05MHz K3 IF1 49 95MHz IF2 450kHz AF 1kHz IC15 AF VR C206 C239 Q4 Q2 C30 Q3 C246 C27 C14 AF 1kHz RF 480 05MHz K2 RF 416 50MHz K4 RF 460 05MHz K VCO RXLO D10 D5 1 2dBm C12 Power Module 4 0W AF 1kHz RX TX C304 Q5 8 3dBm C11 C173 Q30 IC4 Local Level 6 7 4 10 3 5 D6 6 7 Q19 KNB 15A CIRCU...

Страница 51: ...0440 08 Clip assy J39 0601 08 Packing MIC N46 2605 60 Screw Clip assy N46 3016 60 Screw Case N80 2005 41 Screw MIC unit S50 1415 05 Tact switch PTT T07 0290 05 Loudspeaker 1W 8Ω T91 0534 08 Condenser MIC Re marks Parts No Description New parts Ref No A02 1979 08 Case Front A02 0980 08 Case Rear E11 0453 08 Phone jack E30 3239 08 Curl cord F07 1414 08 Cover K29 5077 08 Lever PTT S70 0444 08 Tact sw...

Страница 52: ...ting Division 1 Ang Mo Kio Street 63 Singapore 569110 General Frequency Range 450 470MHz K 470 490MHz K2 490 512MHz K3 403 430MHz K4 Number of channels Max 32 Channel Spacing 25kHz Wide 12 5kHz Narrow PLL channel stepping 5kHz 6 25kHz Operating Voltage 7 5 VDC 20 Battery Life More than 4 hours at 5 watts 5 5 90 duty cycle with KNB 14 battery More than 8 hours at 4 watts 5 5 90 duty cycle with KNB ...

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