Yaesu IC-735 [5/149] 3 receiver

Содержание

• General coverage receiver 1
• Hf all band transceiver 1
• Ic 735 1
• Service manual 1
• Foreword 2
• Table of contents 3
• 1 general 5
• 2 transmitter 5
• 3 receiver 5
• Section 1 specifications 5
• Specifications 5
• 1 installation recommendations 6
• 2 antenna 6
• 3 microphone 6
• 4 cw key 6
• Installation connections 6
• Section 2 installation and connections 6
• 5 powersupply 7
• 6 ground 7
• 1 linear amplifier 8
• 2 antenna tuner 8
• Section 3 system interconnections 8
• System interconnections 8
• 3 rtty terminal unit 9
• 4 sstv unit 10
• 5 transverter unit 10
• 6 receive antenna 10
• 7 rear panel connections 11
• 8 accessory socket 12
• Connections 12
• 1 ic ex243 electronic keyer unit 13
• 2 fl 32 fl 63 cw narrow filters 13
• Option installations 13
• Section 4 option installations 13
• 3 ut 30 tone encoder unit 14
• Circuit description 15
• Section 5 circuit description 15
• I i i i i i i i 19
• I i i i i i________ i jl 19
• Sensor and mic up down circuit 26
• C d q q 27
• I i i 0 o i latch 27
• O o o i i o i i 27
• Frequency range mhz 28
• Inj w1x 28
• Pd2834c 28
• Pd7225g 28
• Mm3 hasiii 29
• Ao ÿi fl 38
• Voltage circuit diagrams 38
• Иф1фгф 39
• 2 main unit 40
• Nod л sioiexs 42
• P p q p p p pp i 42
• Snos on 42
• 4 pa unit power amplifier 44
• 5 pa unit filter 45
• O o o o o o 45
• 1 preparation before servicing 47
• Maintenance adjustment 47
• Section 7 maintenance and adjustment 47
• 2 general adjustment 48
• Main unit 49
• Pll unit 51
• Pll unit 53
• Pa unit 56
• Transmitter adjustment 57
• Main unit 58
• Rear panel 59
• Transmitter adjustment 59
• Main unit 60
• 5 receiver adjustment 61
• Main unit 62
• 6 adjustment locations 63
• 7 lithium battery replacement 65
• 8 fuse replacement 65
• Section 8 troubleshooting 66
• Troubleshooting 66
• Inside views 68
• Sections insideviews 68
• Pll unit 69
• 3 pa unit power amplifier and filter 70
• 1 front panel disassembly 72
• Disassembly assembly diagrams 72
• Section 10 disassembly and assembly diagrams 72
• Front sub chassis connector assembly 75
• 4 main unit connector assembly 76
• 5 pl unit connector assembly 77
• 6 pa unit connector assembly 78
• Board layouts 79
• Front unit 79
• Sinoavl 0uv08 и noi1o3s 79
• Una inohd l kk 79
• 2 main unit 80
• 60 tts s 80
• C 62 g7 5 80
• Main unit 80
• O vi lw 80
• _ v rs 80
• 3 pll unit 82
• Pll unit 82
• Libero 83
• O j co 83
• Pa unit power amplifier 84
• Pa unit filter 85
• Ds2 o cd d51 u 86
• Sensor unit 86
• Block diagram 87
• Ic ratings 88
• Azpd7225g lcd controller driver 89
• Jpd4066bc 89
• Nd487c1 3r 90
• Azpc1037h double balanced modulator 91
• Mpc577h fm if amplifier 91
• Njm072082d 92
• Njm4558d dual low noise amp 92
• О u u u и 92
• Hd10551 pre scaler for digital tuning system 93
• Mpc1181h audio power amplifier 93
• M5218l dual audio amplifier 94
• Za78m08 94
• Ba222 monolithic timer 95
• Jpd4001bc 95
• H h h h 2 u h h 2 96
• Hd63a01v1 96
• Pd4069ubc 96
• A pd4021bc 97
• Maximum ratings 97
• Pin connection 97
• _zpd4510bc 97
• Üjldlijlljléjléjujlsj 97
• Dan401 high speed switching diode array 98
• Jpd82c43c 98
• 1pd2834c pll frequency synthesizer 99
• Mpb555c 99
• Uj lj l1j 111 lj l j izj id lu 99
• N n n n_n n_n 100
• Sn76514 circuit type balanced mixer 100
• U u u u u im 100
• Ua78m05c 100
• A pc1037h double balanced modulator 101
• Sn4ls90n decode counter 101
• At 15o 102
• Fl 32 cw narrow filter 500hz 6db 102
• Fl 63 cw narrow filter 250hz 6db 102
• Ic 2kl 102
• Ic at5oo 102
• Ic ex243 102
• Ic hp1 102
• Ic mb5 mobile mounting bracket 102
• Ic ps3o 102
• Ic sm6 desk microphone 102
• Ic sp3 external speaker 102
• Matching style and size with ic 735 102
• Optional units 102
• Section 14 optional units 102
• Sp 7 external speaker with matching style and size 102
• Ef unit front unit 103
• Parts list 103
• Section 15 parts list 103
• Front unit front unit 104
• Front unit main unit 105
• Main unit 105
• Main unit main unit 106
• Main unit main unit 107
• Main unit main unit 108
• Main unit main unit 109
• Main unit main unit 110
• Main unit main unit 111
• Main unit main unit 112
• Main unit main unit 113
• Main unit main unit 114
• Pl unit 114
• Pl unit pl unit 115
• Pl unit pl unit 116
• Pl unit pl unit 117
• Pl unit pl unit 118
• Pl unit pl unit 119
• Pl unit pl unit 120
• Pl unit pl unit 121
• Pa unit power amplifier 122
• Pl unit pa unit power amplifier 122
• Pa unit power amplifier pa unit power amplifier 123
• Unit filter 123
• Pa unit filter pa unit filter 124
• Pa unit filter 125
• Sensor unit 125
• 1 features 126
• 2 theory of operation 126
• Ci v communications interface system 126
• Foreword 126
• Section 16 icom cl v communication interface system 126
• 3 control code 128
• 4 collision detection 131
• 5 operation with the ic 735 131
• Code description 131
• 0 9600 132
• 1 if the transceive matrix is on and the displayed 132
• Changing the memo ch the ic 735 sends out the following data automatically 132
• During transceive operation db3 must be on the ic 735 comes factory preset for 1200 baud and the network address is 4 also available are 300 and 9600 baud each receiver connected to the icom cl v system requires its own unique address in the same way that individual houses have different addresses 132
• Example the example frequency is 14 23 5mhz 132
• Factory setting and standard cl v baud rate 132
• Frequency is changed by using the main dial the microphone up down function vfo a b or by 132
• I______________i 132
• T ransceive 132
• The baud rate can be selected by using db4 and db5 refer to the chart at left 132
• The ic 735 has the capability to handle the x 10mhz digit 132
• Through the x 10hz digit the display shows all digits except 10hz the 1hz digit is dummy data 132
• X 10hz x 10mhz 132
• I__________________ i 133
• I__________________ i 135
• I____________ i 136
• X10hz x 10mhz 136
• Schematic diagram 142
• A 0650a 146
• Jilcoml icom incorporated 146

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SECTION 1 SPECIFICATIONS 1 1 GENERAL Emission modes Number of semiconductors Transistors A3J J3E SSB Upper and Lower Sideband 124 A1 A1A CW 18 A3 A3E AM 258 F3 F3E FM FETs Diodes ICs Includes CPU 42 Frequency coverage Ham Bands Harmonic output More than 40dB below peak power output 1 8MHz 2 0MHz 3 4MHz 4 1MHz Spurious output More than 50dB below peak power output 6 9MHz 7 5MHz Carrier suppression 9 9MHz 10 5MHz More than 40dB below peak power output 13 9MHz 14 5MHz Unwanted sideband 17 9MHz 18 5MHz More than 50dB down at 1000Hz AF input 20 9MHz 21 5MHz Microphone 600 ohm electret condenser microphone with Push 24 4MHz 25 1 MHz 27 9MHz 30 0MHz To Talk switch and scanning buttons General Coverage Receive Only 0 1 MHz 30 0MHz 1 3 RECEIVER Usable temperature range 10 C 60 C 14 F 140 F Receive system Frequency control Triple conversion superheterodyne with continuous CPU based 10Hz step digital PLL synthesizer bandwidth control Independent Transmit Receive frequency available on Receive modes the same band A3J J3E SSB Upper and Lower Sideband Frequency readout A1 A1A CW 6 digit 100Hz illuminated LCD A3 A3E AM Frequency stability F3 F3E FM Less than 200Hz from 1 minute after switch ON to Intermediate frequencies 60 minutes 1st Less than 30Hz after 1 hour at 25 C Less than 500Hz in the range of 0 C r 50 C 2nd Power supply requirements 13 8V DC 15 negative ground 3rd Current drain 20A maximum at 200W input 70 4515MHz CW 70 4506MHz SSB AM FM 9 0115MHz CW 9 0106MHz SSB CW AM FM 455kHz Sensitivity AC power supply is available for AC operation SSB CW Current drain at 13 8V DC Transmitting At 200 watts input Receiving SSB AM FM 0 1 1 6MHz Less than 1 0 JV for 10dB S N 0 6 30MHz Less than 0 15 V for 10dB S N Approx 20 A At maximum audio output Approx 1 5A Squelched Approx 1 2A AM When selecting NARROW FILTER 0 1 1 6MHz Less than 6 JV for 10dB S N 1 6 30MHz Less than 1 JV for 10dB S N FM Antenna impedance 1 6 50 ohms unbalanced 30MHz Less than 0 5AAZ for 12dB SINAD Squelch sensitivity Weight FM 5 05kg Includes options FL 32 IC EX243 and UT 30 0 3 JV Selectivity Dimensions SSB CW 94 107 mm H X241 244 mm W X239 272 mm D Dimensions include projections 2 3kHz 6dB 4 0kHz 60dB AM 6 0kHz 6dB 18kHz 50dB FM 15kHz 6dB 30kHz 60dB 1 2 TRANSMITTER Spurious and image response rejection More than 80dB RF power Notch filter attenuation SSB A3 J3E 200 watts PEP input CW A1 A1A AM A3 A3E 200 watts input More than 30dB Audio output 40 watts output More than 3 watts 10 distortion with 8 ohm load FM F3 F3E 200 watts input Continuously adjustable output power from 10 watts to maximum Audio output impedance 8 ohms 1 1