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SmarTrunk Systems ST-3118C Service Manual

Manual is about: VHF FM DIGITAL TRANSCEIVER

Summary of ST-3118C

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    Vhf fm digital transceiver st-3118v (136mhz ~ 174mhz) service manual smartrunk systems, inc. St-3118v sm r1.1.

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    St-3118v sm r 1.1 smartrunk systems, inc. 2 contents 1. Specifications: ............................................................................................................................... 5 2. St-3118 exploded view ............................................................................

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    St-3118v sm r 1.1 smartrunk systems, inc. 3 5.6.2.1. High power level alignment ..................................................................................... 16 5.6.2.2. Mid power level alignment ...................................................................................... 17 5.6.2....

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    St-3118v sm r 1.1 smartrunk systems, inc. 4 9. St-3118 front board schematic ............................................................................................... 33 10. Component locator .........................................................................................................

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    1. Specifications: specification st-3118v g en er a l frequency range [mhz] 136 to 174 channels 512 groups/banks 64 power [vdc] 12 to 15 dimensions [mm] 50(h)x128(d)x150(w) weight [gr] (oz) 1.2kg (2.6lbs) temperature range - 30 °c ~ 60 °c (-22°f ~ +140°f) signaling 51 ctcss tones / 183 dcs tones / 6...

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    2. St-3118 exploded view st-3118.

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    St-3118v sm r 1.1 smartrunk systems, inc. 7 i 3. St-3118v simplified diagram lpf ant sw d1/d2/ d6 final amp u3 power detection u1 driver q2 buffer amp q1 tx ctrl [q9 q18] clock [y1] power ctrl [u10] flash memory [u4] ram memory [u7] pwm side keys usb serial bus main processor [u13] radio u2 vocoder ...

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    4. - st-3118 rf description 4.1. Circuit configuration the receiver is a single receiver with built dsp fully integrated. Incoming signals from the antenna, after passing through lpf filter, are fed direct to the dsp down converter to get the baseband voice from 0hz to 3500hz. Demodulated signals ar...

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    St-3118v sm r 1.1 smartrunk systems, inc. 9 analyzes the expected signaling programmed on the current channel table. In case of not any additional signaling must be decoded, or the signal has been detected, the main processor (u13) asks to the audio processor (u12) to open the audio path, unmuting t...

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    St-3118v sm r 1.1 smartrunk systems, inc. 10 and fed it to the audio power amplifier (u8). 4.3. Transmitter system 4.3.1. Analog tx signal the mic signal coming from the front connector, the external mic signal coming from the accessory connector or the output of the pwm filter and fed into an analo...

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    St-3118v sm r 1.1 smartrunk systems, inc. 11 4.3.3. Drive and final amplifier stages final rf is amplified on q1 (2sc5226) adjusting the impedance, then filtered to be fed to q2 (2sc3357) then finally amplified by u3 (ra60h1317) up to 50 watts output power. The transmit signal then passes through fo...

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    St-3118v sm r 1.1 smartrunk systems, inc. 12 5. St-3118 alignment 5.1. Introduction the st-3118 series is carefully aligned at the factory for the specified performance across the frequency range depending for each version. Realignment should therefore not be necessary except in the event of a compo...

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    St-3118v sm r 1.1 smartrunk systems, inc. 13 is clearly isolated electrically from all other steps. Have all test equipment ready before beginning, and follow all of the steps in a section in the order presented. 5.3. Required test equipment rf signal generator with calibrated output level at 1 ghz ...

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    St-3118v sm r 1.1 smartrunk systems, inc. 14 please be sure you turn the radio on before continue with this alignment procedure. 5.5. Main radio alignment before setup any parameter, run sdr programming software then select radio alignment from top bar menu. A complementary message will be displayed...

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    St-3118v sm r 1.1 smartrunk systems, inc. 15 setup the test equipment as shown for transceiver alignment, apply 13.8v dc power to the transceiver. The rf parameters are typed on the alignment software to facilitate the alignment within all radio band avoiding special programming of the radio before ...

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    St-3118v sm r 1.1 smartrunk systems, inc. 16 for power alignment, you can do a fine-tuning as per your desire frequency sub-band. The software lets you linearize the complete band dividing the complete band into five steps to let you focus into your frequency bands. Even when the software has alread...

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    St-3118v sm r 1.1 smartrunk systems, inc. 17 5.6.2.2. Mid power level alignment repeat the same procedure to align high power, but select power medium level on the alignment menu. Figure 13: medium power level alignment 5.6.2.3. Low power level alignment repeat the same procedure to align high power...

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    St-3118v sm r 1.1 smartrunk systems, inc. 18 5.6.4. Modulation gain alignment: this is a critical parameter, which may not be realigned to different values other than factory default. Lower gain means a very high microphone gain must be assigned to get the proper radio voice deviation, and higher ga...

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    St-3118v sm r 1.1 smartrunk systems, inc. 19 as soon the desired value is reached, press [finish] to store the value on radio memory. If you want to retrieve factory default, press [factory] instead of [start]. You will be asked to confirm the factory default alignment, and then if you confirm it, o...

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    St-3118v sm r 1.1 smartrunk systems, inc. 20 reference tone for alignment proposes. As soon the desired value is reached, press [finish] to store the value on radio memory. Default value correspond to 1.8khz deviation for narrow band channels. If you want to retrieve factory default, press [factory]...

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    St-3118v sm r 1.1 smartrunk systems, inc. 21 press start then move the slider to reach the desired value at the time you checks the deviation meter to reach the desired signaling level for narrow band operation. Radio will generate 134.4hz audio tone for alignment proposes. As soon the desired value...

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    St-3118v sm r 1.1 smartrunk systems, inc. 22 press [start] then move the slider to reach the desired value at the time you checks the deviation meter to reach the desired signaling level for narrow band operation. Radio will generate a 1000hz alignment reference tone for alignment proposes. As soon ...

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    St-3118v sm r 1.1 smartrunk systems, inc. 23 5.7. Receiver alignment setup the test equipment as shown for receiver alignment, apply 13.8 v dc power to the transceiver. The rf frequency must be loaded on receiver frequency of the alignment software to facilitate the alignment within all radio band a...

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    St-3118v sm r 1.1 smartrunk systems, inc. 24 6. Complimentary user alignment the above parameters only can be aligned under dealer login and most of them should be critical for proper radio performance. Additional complimentary parameters should be also aligned on user login mode; it means the user ...

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    St-3118v sm r 1.1 smartrunk systems, inc. 25 6.1.2. Analog external mic gain: it aligns external microphone accessory port) sensitivity. Default factory value is 0.0db. Figure 29: external microphone sensitivity alignment alignment step is 3.2db. For noisy environments or when voice encryption is us...

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    St-3118v sm r 1.1 smartrunk systems, inc. 26 gain on the mic gain then check the digital acg check box. For example, if you want a dynamic gain which causes the same effect that a gain of 15.0db when the voice on the microphone causes 50mv rms in the microphone switch output (standard voice at 4 inc...

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    St-3118v sm r 1.1 smartrunk systems, inc. 27 6.1.7. Disable rf power use this box to check when you do not want to use the rf power amplifier. It is commonly used for dealers to make a demonstration of the radio features without interfering to any other existing user in the frequency or for operatio...

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    St-3118v sm r 1.1 smartrunk systems, inc. 28 7. Radio appearance alignment under user mode, login radio appearance can be aligned. Select edit then appearance from radio top toolbars to access to the appearance screen: figure 33: access to the appearance menu a soon as appearance option is selected,...

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    St-3118v sm r 1.1 smartrunk systems, inc. 29 second folder on appearance screen allows the user to adjust the tones, which are played back in any event. Tones can be changed by the dealer. Please refer to appendix ii to learn about it. Check key ptt if you want to play back a key tone acknowledge an...

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    St-3118v sm r 1.1 smartrunk systems, inc. 30 status: powered on, powered off, fix, etc. Check rssi if you want the radio plays a concerning message back any time you ask for current rssi. Press ok once you finish setting all desired messages. This feature will be stored into the file then it will be...

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    St-3118v sm r 1.1 smartrunk systems, inc. 31 notes:.

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    8. St-3118v main board schematic title size document number rev date: sheet of dm-1211-02 d st-3118 r2.01b d 1 1 saturday , july 12, 2014 csram cbl + c79 10uf r99 4k7 d9 dan222 1 3 2 c236 1nf j5 con2 1 2 c88 nc 3vr 3va +5v 1.8v + c207 10uf c210 10nf + c208 10uf uvss r136 22 c219 1nf u20 rt9167/18pb ...

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    9. St-3118 front board schematic jh1 display 1 25 2 24 3 23 4 22 5 21 6 20 7 19 8 18 9 17 10 16 11 15 12 14 13 13 14 12 15 11 16 10 17 9 18 8 19 7 20 6 21 5 22 4 23 3 24 2 25 1 26 26 27 27 title size document number rev date: sheet of dm-111222-01 c st-3118fb b 1 1 friday , october 18, 2013 uid uvss...

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    10. Component locator 10.1. St-3118v component locator (top layer).

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    St-3118v sm r 1.1 smartrunk systems, inc. 35 10.2. St-3118v component locator (bottom layer).

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    St-3118v sm r 1.1 smartrunk systems, inc. 36 10.3. St-3118v front board component locator (top layer).

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    St-3118v sm r 1.1 smartrunk systems, inc. 37 10.4. St-3118v front board component locator (bottom layer).

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    St-3118v sm r 1.1 smartrunk systems, inc. 38 11. St-3118v pcb layout 11.1. St-3118v main board pcb top layer.

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    St-3118v sm r 1.1 smartrunk systems, inc. 39 11.2. St-3118v main board pcb bottom layer.

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    St-3118v sm r 1.1 smartrunk systems, inc. 40 11.3. St-3118v main board pcb ground layer.

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    St-3118v sm r 1.1 smartrunk systems, inc. 41 11.4. St-3118v main board pcb power layer.

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    St-3118v sm r 1.1 smartrunk systems, inc. 42 11.5. St-3118v front board pcb top layer.

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    St-3118v sm r 1.1 smartrunk systems, inc. 43 11.6. St-3118v front board pcb top layer.

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    St-3118v sm r 1.1 smartrunk systems, inc. 44 12. St-3118v bom 12.1. St-3118v main pcb bom name description value smartrunk pn main pcb epl311810b c237 cap cer 33pf 50v 5% npo 0402 33pf ck1330ak4a c8 cap cer 150pf 50v c0g 0402 150pf ck1151ak5a c9 cap cer 150pf 50v c0g 0402 150pf ck1151ak5a c10 cap ce...

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    St-3118v sm r 1.1 smartrunk systems, inc. 45 c135 cap cer 1000pf 50v 10% x7r 0402 1nf ck1102ak5x c138 cap cer 1000pf 50v 10% x7r 0402 1nf ck1102ak5x c139 cap cer 1000pf 50v 10% x7r 0402 1nf ck1102ak5x c140 cap cer 1000pf 50v 10% x7r 0402 1nf ck1102ak5x c145 cap cer 1000pf 50v 10% x7r 0402 1nf ck1102...

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    St-3118v sm r 1.1 smartrunk systems, inc. 46 c54 cap cer 0.1uf 16v 10% x7r 0402 100nf ck5104ak5x c58 cap cer 0.1uf 16v 10% x7r 0402 100nf ck5104ak5x c60 cap cer 0.1uf 16v 10% x7r 0402 100nf ck5104ak5x c62 cap cer 0.1uf 16v 10% x7r 0402 100nf ck5104ak5x c81 cap cer 0.1uf 16v 10% x7r 0402 100nf ck5104...

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    St-3118v sm r 1.1 smartrunk systems, inc. 47 c132 cap cer 10uf 6.3v 10% x5r 0603 10uf ck6106ad6t c134 cap cer 10uf 6.3v 10% x5r 0603 10uf ck6106ad6t c159 cap cer 10uf 6.3v 10% x5r 0603 10uf ck6106ad6t c168 cap cer 10uf 6.3v 10% x5r 0603 10uf ck6106ad6t c34 cap cer 100pf 200wv 5% npo 0603 100pf ck710...

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    St-3118v sm r 1.1 smartrunk systems, inc. 48 l12 smt shielded power inductors 18581 ycbad18581r l13 ferrite bead chip bead ycbad18594 c36(l14) inductor 1uh 1nh ycmci1054d q1 vhf to uhf wide-band low-noise 2sc5226 ty2sc5226z q2 npn silicon epitaxial transistor 2sc3357 ty2sc3357z q3 transistor npn 50v...

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    St-3118v sm r 1.1 smartrunk systems, inc. 49 r152 res 1.0k ohm 1/16w 5% 0402 smd 1k rcy041024z r153 res 1.0k ohm 1/16w 5% 0402 smd 1k rcy041024z r30 res 2.2k ohm 1/16w 0402 smd 2.2k rcy042224z r33 res 4.7k ohm 1/16w 5% 0402 smd 4k7 rcy044724z r36 res 4.7k ohm 1/16w 5% 0402 smd 4k7 rcy044724z r41 res...

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    St-3118v sm r 1.1 smartrunk systems, inc. 50 r31 res 100k ohm 1/16w 5% 0402 smd 100k rcy041044z r43 res 100k ohm 1/16w 5% 0402 smd 100k rcy041044z r56 res 100k ohm 1/16w 5% 0402 smd 100k rcy041044z r59 res 100k ohm 1/16w 5% 0402 smd 100k rcy041044z r63 res 100k ohm 1/16w 5% 0402 smd 100k rcy041044z ...

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    St-3118v sm r 1.1 smartrunk systems, inc. 51 12.2. St-3118v front pcb bom st-3118v front board bom item qty description name value smartrunk part no 1 1 front board pcb epl311821z 2 6 cap cer 0.1uf 10v 10% x5r 0402 c1 104 ck5104ak5x 3 4 cap tant 1uf 10v 10% 1206 c2 106 cty161056zr 4 10 cap 1000pf 50...

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    St-3118v sm r 1.1 smartrunk systems, inc. 52 12.4. St-3118v front panel assembly bom st-3118d front panel ass'y bom item qty description smartrunk part no 1 1 model plate st-3118 bl3118010e 2 1 model plate smart trunk bl3118010d 3 1 tft window bl3118020a 4 1 speaker es500858ol 5 1 wire connector/h 2...

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    St-3118v sm r 1.1 smartrunk systems, inc. 53 12.5. St-3118v mechanical bom st-3118d mechanical bom item qty description smartrunk part no 1 1 support bar ml3118050x 2 1 main chassis ml3118010a 3 1 bottom cover ml3118020a 4 1 knob pl3118020a 5 1 wire bushing pl3118060a 6 10 set screw js053008mnr 7 4 ...

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    St-3118v sm r 1.1 smartrunk systems, inc. 54 12.6. St-3118v packing bom st-3118d packing r1.0 bom item qty description ranger part no 1 1 instruction manual at3118010a 3 1 microphone ex04n40757 4 2 rc-3118 sticker lmzz61665a 5 1 handle ml3118040a 6 1 dc cord with fuse awg#14 wa0012200k 7 1 pvc bag (...

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    St-3118v sm r 1.1 smartrunk systems, inc. 55 13. External connections 13.1. Accessory port: on the backside of your st-3118 radio, you will find the accessory port connector: accessory port (p1) pin # function detail 1 gnd ground connection 2 external mic ac coupled. 100mv. Hi impedance 3 io1 analog...

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    St-3118v sm r 1.1 smartrunk systems, inc. 56 13.2. Usb: usb 2.0 compliance 13.3. External speaker, (3.5mm) speaker (-) speaker (+) speaker is balanced output. Do not connect any pin to gnd.

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    St-3118v sm r 1.1 smartrunk systems, inc. 57 14. List of figures: f igure 1: r eceiver block d iagram ............................................................................................................................. 8 f igure 2: r eceiver a nalog a udio p ath b loc d iagram ................

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    Copyright 2014 printed in malaysia www.Smartrunk.Com st-3118v sm r1.1 jan-14.