Kenwood TK-360G Service Manual Download Page 18

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TK-360G/(N)/370G/(N)

DISASSEMBLY FOR REPAIR

Separating the case assembly from the chassis.

1. Remove the two knobs

and three round units

2. Remove the two screws

3. Expand the right and left sides of the bottom of the case

assembly, lift the chassis, and remove it from the case
assembly

4. Taking cure not to cut the speaker lead

, open the chassis and

case assembly, and pull the speaker lead with connector

Separating the chassis from the unit.
• TK-360G

1. Remove the twelve small screws

, and remove the three

large screws

2. Remove the solder from the antenna terminal using a solder

iron then lift the unit off (X57).

• TK-370G

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

Ω

, and remove the

twelve screws

2. Remove the solder from the antenna terminal using a

soldering iron, then lift the unit off (X57).

TK-370G

stopper

TK-360G

CN3

TK-370G

Antenna teminal

X54-

X57-

❾

❿

➐

❽

❾

❽

➐

Unsolder

TK-360G/370G
E, (N)E only

Summary of Contents for TK-360G

Page 1: ...ing or otherwise for any purpose without the prior written permission of Kenwood Disclaimer While every precaution has been taken in the preparation of this manual Kenwood assumes no responsibility for errors or omissions Neither is any liability assumed for damages resulting from the use of the information contained herein Kenwood reserves the right to make changes to any products herein at any t...

Page 2: ...1 03 Knob VOL K29 5332 03 Cabinet assy A02 2391 23 Knob PTT K29 5334 13 Antenna T90 0682 05 E N E T90 0684 05 E4 N E4 TK 360G TK 370G ADJUSTMENT 36 PC BOARD VIEWS DISPLAY UNIT X54 3250 10 47 TX RX UNIT X57 588X XX 49 SCHEMATIC DIAGRAM 51 BLOCK DIAGRAM 63 LEVEL DIAGRAM 65 KNB 14 KNB 15A Ni Cd BATTERY 66 OPTIONS 67 SPECIFICATIONS BACK COVER Knob ENC K29 5331 03 Knob VOL K29 5332 03 Cabinet assy A02 ...

Page 3: ...n explosive atmosphere This equipment should be serviced by a qualified technician only SERVICE This radio is designed for easy servicing Refer to the schematic diagrams printed circuit board views and alignment procedures contained within NOTE The terms Wide and Semi wide used in this service manual correspond to Wide 5K and Wide 4K respectively that appear in the menu and help texts of the KPG 5...

Page 4: ...QT DQT 2 Tone or DTMF signalling Release the key to return to normal operation Monitor D Carrier Squelch Toggle Momentarily press the Monitor key to deactivate QT DQT 2 Tone or DTMF signalling Press the key again to return to normal operation None No function RF Power Lo Press the RF Power Lo key to toggle the output power of a channel between high and low This can only be used for channels that h...

Page 5: ...ase signalling or squelch when operating in conventional mode It is also used to reset option signalling 8 2 Tone Encode Select TK 370G only 1 Press the key programmed as 2 tone Encode Select A pre programmed 2 tone code name appears on the display 2 Press the key programmed as Rotary encoder to select you desired 2 tone code name 3 Press PTT switch and 2 Tone Encode Select key to transmit and rel...

Page 6: ...re simply 4 Scan Operating TK 370G only 1 Scan types Single Group Scan You can scan all valid ADD channels in the displayed group that can be selected with the group selector Multiple Group Scan You can scan all valid ADD channels in all valid ADD groups 2 Scan Start Condition One or more non priority channels must be added to all channels that can be scanned The transceiver must be in normal rece...

Page 7: ...n and End of TX ID is sent at the end of transmission There is also a PTT ID setting for each channel 3 Scan Stop Condition The scan stops temporarily if the following conditions are satisfied 1 The receiving signal matches the signalling code in your radio that is set by the programming software KPG 56D 2 When the monitor key is depressed 4 Scan Channel Types 1 Priority channel is the most import...

Page 8: ... 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 is triggered when there is match with Option Signaling When Option Signaling matches on a Group Channel where it is set to Yes the Option Signaling display flashes and Option Signaling is cancele...

Page 9: ...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 test mode Used to check the radio using the PC This fea...

Page 10: ...he interface cable 5 3 KPG 22 description PC programming interface cable Option The KPG 22 is required to interface the TK 360G 370G to the computer It has a circuit in its D subconnector 25 pin case that converts the RS 232C logic level to the TTL level The KPG 22 connects the SP MIC connector of the TK 360G 370G to the computers RS 232C serial port 5 4 Programming software description The KPG 56...

Page 11: ...s sent to the slave While the slave is receiving the data PC is displayed When cloning of data is completed the master displays END and the slave automatically operates in the User mode The slave can then be operated by the same program as the master When programming the firmware it is recommend to copy the data from the floppy disk to your hard disk before you update the radio firmware Directly c...

Page 12: ...d in FPU GND REMOTE TXD PTT RXD E30 3411 05 TK 370G TK 860G 862G MBL PSB GND PTT RXD ME MIC REMOTE TXD CM GND REMOTE TXD PTT RXD 8 1 1 8 Fig 3 D17 X57 588X Compoent Side Note IF the radio type of TK 370G was temporally set to Mobile for the cloning purposes UNPROG is displayed at User Radio type Portable Mobile Side2 Radio Band Channel Type Function set mode Frequency Version Self programming mode...

Page 13: ...rrow Wide WIDE_ K K4 M M4 destination only Narrow NARROW_ Wide 5K Wide W5K E destination only Wide 4K Semiwide W4K 11 Scan DELETE SCAN_DEL Not used for TK 360G Delete ADD ADD SCAN_ADD Default 12 Priority No P CH_NO__ Not used when Scan Priority is not Fixed Channel Yes P CH_YES_ 13 Home Channel No H CH_NO__ Not used when Home Channel is Yes H CH_YES_ not set in Key Assignment 14 Compander No COMP_...

Page 14: ...n 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 without storing it in memory Press Side1 to display SELF and return to reset default status Function Setting Mode No Function Choices Display Remarks Function Key 1 Side1 No Function LAMP_OFF Default TK 360G Talk Around LAMP_3 TK 360G cannot be selected K M ...

Page 15: ...r B KEY2_18 Monitor C KEY2_19 Monitor D KEY2_20 RF Power Low KEY2_21 Scan KEY2_22 Scan DEL ADD KEY2_23 Group Down KEY2_24 No Function Choices Display Remarks 4 TK 370G Group Up KEY2_25 only Redial KEY2_28 5 2 TK 370G No Function KEY3_OFF only Talk Around KEY3_3 Default Display Character KEY3_5 Home Channel KEY3_7 Channel Down KEY3_8 Channel Up KEY3_9 Keylock KEY3_10 Lamp KEY3_11 2 Tone Encode KEY3...

Page 16: ...YES BCLforTranspond NO CTT_NO Default 16 Battery Save ON BATT_ON Default OFF BATT_OFF 17 Signaling OR SIG__OR Default AND SIG_AND 18 Squelch Level 0 9 1 Step SQL__5 Default 5 19 Priority None PRI_NONE Default Fixed PRI_FIX_ Selected PRI_SEL_ 20 Lock Back 0 5 5 0 0 05 LBA_500 Default 500ms Cannot be Time A set when Priority none 21 Lock Back 0 5 5 0 0 05 LBB_2000 Default 2000ms Cannot Time B be set...

Page 17: ...de1 Function set mode Side1 Side1 key function MON key function 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 key function 3 key function CH key function Time Out Timer T O T Pre alert time T O T Rekey time T O T Reset time Power on tone yes no Contorol tone yes no WArning tone yes no Ba...

Page 18: ...r n Separating the chassis from the unit TK 360G 1 Remove the twelve small screws m and remove the three large screws 2 Remove the solder from the antenna terminal using a solder iron then lift the unit off X57 TK 370G 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 Ω and remove the twelve screws m 2 Remove...

Page 19: ... IC4 IF MIX DET AF AMP IC16 2 2 X3 multiply Q12 TCXO 5 DE EMP MUTE EXP HPF LPF HPF BEF IC14 2 1 41 SP AF AMP IC11 AF AMP IC15 2 2 AF VOL ANT SW BPF RF AMP Q301 ANT MIXER Q19 1st Local IF AMP Q22 BPF MCF XF1 CF1 Wide E E4 Narrow N E N E4 2nd Local PLL VCO R75 Q23 R98 R108 C133 CD1 H Wide 5K L Wide 4K MXO IFI MXI IFO AFO IC4 FM IF SYSTEM Q22 5R Wide 5K Wide 4K C107 R74 C108 CF1 QAD R105 3 IF Amplifi...

Page 20: ... IC15 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...

Page 21: ...es the 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...

Page 22: ...his oscillator has a circuit that shifts the frequency by BEAT SHIFT SW Q31 2 Memory circuit Memory circuit consists of the CPU IC13 and a flash memory IC12 A flash memory has a capacity of 2M bits that contains the transceiver control program for the CPU and data such as transceiver channels and operating features This program can be easily written from an external device Data such as DTMF memori...

Page 23: ...S OSC INH VDD2 VDD1 COM1 COM2 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 A...

Page 24: ...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 K M Narrow L Wide Semi wide SW E N E Semi wide 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 i...

Page 25: ...370G Only Q24 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 Fr...

Page 26: ...3 630 6300 J 8 0 80 800 8000 K 35 V EX C C 7 3 F S L 1 H 0 0 0 J Refer to the table above 1 Type 2 Shape 5 Voltage rating 4 Temp coefficient 3 Dimension 6 Value 7 Tolerance 7 6 5 4 3 2 1 EX C K 7 3 F F 1 H 0 0 0 Z 7 6 5 4 3 2 1 Chip CH RH UJ SL Chip B F Chip resistor Carbon EX R K 7 3 E B 2 B 0 0 0 J 7 6 5 4 3 2 1 RESISTORS Chip B F Carbon resistor Nomal type EX R D 1 4 B B 2 C 0 0 0 J 7 6 5 4 3 2...

Page 27: ... CARTON CASE 370G 37 1A 1C J19 1572 04 HOLDER BATT RELEASE 38 2D J19 5352 03 HOLDER VOL ENC 370G 39 2A 2D J19 5353 14 HOLDER BATT TERMINAL 40 2B J19 5355 03 HOLDER VOL CHANNEL SW 360G 41 2E J21 4493 04 SP MIC HOLDER 42 2D J21 8377 03 LCD HOLDER 370G 43 1D J21 8378 04 SPEAKER FIXTURE 370G 44 2A J21 8381 14 SPEAKER FIXTURE 360G 45 2E J29 0624 03 BELT HOOK 46 2C J32 0925 04 HEXAGON BOSS 370G 47 1D K2...

Page 28: ... 22PF J C30 CC73GCH1H060D CHIP C 6 0PF D A B E F C30 CC73GCH1H080D CHIP C 8 0PF D C D C31 C92 0507 05 CHIP TAN 4 7UF 6 3WV C32 CK73GB1C104K CHIP C 0 10UF K C33 CC73GCH1H060B CHIP C 6 0PF B 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 A B E F C51 C92 0585 05 CHIP TAN 4 ...

Page 29: ...HIP C 30PF 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 100...

Page 30: ... FIXED INDUCTOR 10NH A B E F L9 L40 1275 92 SMALL FIXED INDUCTOR 12NH C D L10 L40 1095 34 SMALL FIXED INDUCTOR 1UH L11 L40 1092 81 SMALL FIXED INDUCTOR L12 L40 2702 86 SMALL FIXED INDUCTOR 27U C D L12 L40 3391 86 SMALL FIXED INDUCTOR 3 3U A B E F L14 L40 1875 92 SMALL FIXED INDUCTOR 18NH L15 L40 2275 92 SMALL FIXED INDUCTOR 22NH A B E F L15 L40 2775 92 SMALL FIXED INDUCTOR 27NH C D L17 L34 4547 05...

Page 31: ...05J CHIP R 1 0M J 1 16W R56 58 RK73EB2ER39K CHIP R 0 39 K 1 4W R59 RN73GH1J154D CHIP R 150K D 1 16W R60 R92 1252 05 CHIP R 0 OHM R61 RK73GB1J104J CHIP R 100K J 1 16W R62 RN73GH1J154D CHIP R 150K D 1 16W R64 65 RK73GB1J104J CHIP R 100K J 1 16W R67 RK73GB1J273J CHIP R 27K J 1 16W R68 RN73GH1J154D CHIP R 150K D 1 16W R70 RK73GB1J104J CHIP R 100K J 1 16W A B E F R71 RK73GB1J124J CHIP R 120K J 1 16W R7...

Page 32: ...RK73GB1J103J CHIP R 10K J 1 16W R200 RK73GB1J101J CHIP R 100 J 1 16W R201 R92 1252 05 CHIP R 0 OHM R202 RK73GB1J474J CHIP R 470K J 1 16W R203 R92 1252 05 CHIP R 0 OHM R204 RK73GB1J104J CHIP R 100K J 1 16W R205 RK73GB1J182J CHIP R 1 8K J 1 16W R206 RK73GB1J471J CHIP R 470 J 1 16W R207 RK73GB1J101J CHIP R 100 J 1 16W R208 RN73GH1J682D CHIP R 6 8K D 1 16W R209 RK73GB1J224J CHIP R 220K J 1 16W R210 RK...

Page 33: ...WER AMP C D IC2 MB15A02 IC IC3 NJM2904V IC APC IC4 TA31136FN IC FM IF DETECTOR IC5 6 BU4094BCFV IC 8bit SHIFT STORE REGISTER IC7 S 81350HG KD IC VOLTAGE REGULATOR IC8 PST9140NR IC RESET SW IC9 RN5VL45C IC REGULATOR IC10 AT2408N10SI2 5 IC 8kbit SERIAL EEPROM IC11 TA7368F IC AF POWER AMP IC12 AT29C020 90TI IC IC13 30622M4102GP MPU IC14 TC35453F IC AUDIO PROCESSOR IC15 TA75W01FU IC OP AMP X2 IC16 TC7...

Page 34: ...P 30 A M3 6x4 N09 2319 05 B M2x3 5 N09 2331 05 C NUT N14 0582 14 D NUT N14 0583 04 E NUT N14 0588 04 F M2 6x6 N30 2606 46 G M3x4 N30 3004 46 I M2x5 N67 2005 46 J φ2x4 5 N78 2045 46 K φ2x3 N79 2030 46 L φ2x5 N83 2005 46 E D 8 3 40 Lx7 IC1 44 18 L I 16 17 Gx2 B 39 11 TX RX unit A 2 26 A 28 L 9 702 24 J TX RX unit B 2 15 J F K 704 703 10 50 37 21 51 ...

Page 35: ...27 SP 14 A M3 6x4 N09 2319 05 B M2x3 5 N09 2331 05 C NUT N14 0582 14 D NUT N14 0583 04 F M2 6x6 N30 2606 46 H M2x3 N39 2030 46 I M2x5 N67 2005 46 J φ2x4 5 N78 2045 46 K φ2x3 N79 2030 46 L φ2x5 N83 2005 46 43 J D 42 6 5 12 3 38 Lx8 IC1 I H H 16 18 25 19 20 DISPLAY unit 53 17 46 13 B 39 11 TX RX unit A 2 26 A 28 B 9 702 24 J TX RX unit B 2 15 F K 704 703 10 50 37 21 51 ...

Page 36: ...9 0624 03 33 PROTECTION BAG H25 0085 04 7 INSTRUCTION MANUAL B62 1293 20 360G INSTRUCTION MANUAL B62 1294 10 370G 41 SP MIC HOLDER J21 4493 04 M SCREW SET N99 2012 05 32 PACKING FIXTURE H12 1487 02 UPC CODE LABEL 35 ITEM CARTON CASE H52 1554 02 360G 36 ITEM CARTON CASE H52 1555 02 370G ANT WHIP ANTENNA T90 0682 05 E N E T90 0684 05 E4 N E4 ...

Page 37: ... Meter Measuring Range 10mV to 10V DC DVM Input Impedance High input impedance for minimum circuit loading 5 Oscilloscope DC through 30MHz 6 High Sensitivity Frequency Range 10Hz to 1000MHz Frequency Counter Frequency Stability 0 2ppm or less 7 Ammeter 5A 8 AF Volt Meter Frequency Range 50Hz to 10kHz AF VTVM Voltage Range 1mV to 10V 9 Audio Generator AG Frequency Range 50Hz to 5kHz or more Output ...

Page 38: ...Green LED Lights when there is a carrier Repair Jig Extention Flat cable part No E37 0851 05 This cable is used for connecting the TK 370G display unit and TX RX unit when you test or repair the transceiver Caution You must connect TK 370G display unit when you test or repair the transceiver Extention Flat cable Display unit TX RX unit The following parts are required for adjustment 1 Antenna conn...

Page 39: ...g No RX TX 1 None None 2 None 100Hz square wave 3 QT 67 0Hz QT 67 0Hz 4 QT 151 4Hz QT 151 4Hz 5 QT 210 7Hz 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 u...

Page 40: ...e deviation 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 QTTCXObalan...

Page 41: ...0Hz E N E 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 0W 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 Check 3 0 5 0W PTT ON 2 3A or less 2 CH Sig 2 1 PTT ON 3 CH Sig...

Page 42: ...row 1 Adj item MAX 2 1kHz N E N E4 Adjust According to AG 1kHz 120mV the larger Dev meter filter LPF 15kHz HPF OFF 2 Adj item M A X M A X M A X Adjust PTT ON Wide 4K 1 Adj item MAX 3 3kHz E E4 Adjust According to PTT ON the larger 8 MIC Panel Test Mode Check 2 2 3 0kHz Sensitivity 1 CH Sig 1 1 Check AG 1kHz 12mV LPF 15kHz PTT ON 9 QT TCXO Adj item X Q T Power meter ANT Encoder Balance Adjust 200 D...

Page 43: ...4 Adjust PTT ON 12 QT VCO Adj item Balance 200 VDQT x VQT 150 E N E 229 VDQT x VQT 172 E4 N E4 13 QT Deviation 1 Adj item FQT Wide 5K 0 90kHz 40Hz Adjust Adjust Narrow 0 42kHz 40Hz Wide 5K LPF 3kHz Wide 4K 0 72kHz 40Hz HPF OFF 2 Adj item F Q T F Q T F Q T Adjust PTT ON 3 Adj item FQT Adjust PTT ON Narrow 1 Adj item FQT N E N E4 Adjust LPF 3kHz HPF OFF 2 Adj item F Q T F Q T F Q T Adjust PTT ON Wid...

Page 44: ...Adj item DTMF Adjust PTT ON 16 TONE 1 Adj item TONE Wide 5K 3 0kHz 0 1kHz Deviation Adjust Narrow 1 5kHz Adjust LPF 15kHz Wide 4K 2 4kHz Wide 5K HPF OFF E E4 PTT ON Narrow N E N E4 2 Adj item TONE Adjust PTT ON 17 BATT 1 Adj item BATT Power meter ANT Encoder After pressing the BATT terminal Detection Adjust DVM BATT knob PTT switch confirm voltage 5 9V Writing PTT ON terminal that one predeter min...

Page 45: ... Sensitivity Panel Test Mode SSG ANT Check 1 CH Sig 1 1 AF VTVM Check 12dB SINAD or SSG OUT Oscilloscope more Wide 118dBm MOD 1kHz 3kHz Narrow 116dBm MOD 1kHz 1 5kHz 4 Squelch Open 1 Adj item SQL3 Encoder Adjust to the Adjust Adjust knob squelch Wide 5K SSG OUT 123dBm 360G E4 squelch threshold point Wide 4K SSG OUT 123dBm 360G E4 E4 Narrow 2 Adj item SQL3 N E4 Adjust SSG OUT 122dBm 360G N E4 5 Squ...

Page 46: ...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 MOD 1kHz 2 4kHz 5 Squelch Ope...

Page 47: ...quelch must be closed Item Condition Measurement 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 adjus...

Page 48: ...2 KOUT1 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 ...

Page 49: ... 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 16 CE 5M DI CL GND LMP KIN0 KIN1 KIN2 KIN3 KIN4 KOUT3 KOUT2 KOUT1 KOUT0 SB C229 C266 CP20 R100 R126 R256...

Page 50: ...18 R33 L20 R94 R99 C131 R305 B C307 C311 R76 D10 L21 C30 D5 Q4 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 ...

Page 51: ...06 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 R73 R68 Q13 C96 R55 R49 R45 R54 R62 C95 C71 R46 R50 C242 R160 R1...

Page 52: ...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 Note Component marked with a dot are Parts of pattern 1 SCHEMATIC DIAGRAM TK 360G N ...

Page 53: ...T U V W X Y Z AB AA AC AD AE AF AH AG AI AJ AL AK 1 2 3 4 5 6 7 SCHEMATIC DIAGRAM TK 370G N Note Component marked with a dot are Parts of pattern 1 ...

Page 54: ...63 64 BLOCK DIAGRAM TK 360G N 370G N TK 360G N 370G N ...

Page 55: ...el meter ANT input 53dBm 1kHz FM 3kHz DEV WIDE In the RF section use a 1000pF coupling capaci tor The display shows the SSG input value re quired to obtain 12dB SINAD Without Local Level AG is set to the MIC input becomes 3kHz DEV at 1kHz MOD WIDE To make measurements in the AF section con nect the AC level meter In the RF section use a 1000pF coupling ca pacitor FM IF SYSTEM C309 Q301 120dBm 118 ...

Page 56: ...J29 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 Tac...

Page 57: ... Weight With KNB 14 7 2V 600mAh battery 58 2 5 16 W x 135 5 5 16 H x 32 1 1 4 D mm in 400g 0 88lbs With KNB 15A 7 2V 1100mAh battery 58 2 5 16 W x 135 5 5 16 H x 35 1 3 8 D mm in 440g 0 97lbs Receiver Measurements made per ETS standard Sensitivity EIA 12dB SINAD 0 25µV Wide Semi wide 0 32µV Narrow Selectivity 70dB Wide Semi wide 60dB Narrow Intermodulation 65dB Spurious response 70dB Audio Power O...

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