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XIEGU X6100 Maintenance Manual
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XIEGU X6100 Maintenance Manual

XIEGU X6100 Maintenance Manual

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Private and Confidential!
HF Transceiver Series
X6100
Maintenance Manual
Version: V1.0.0
XIEGU

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Summary of Contents for XIEGU X6100

  • Page 1 Private and Confidential! HF Transceiver Series X6100 Maintenance Manual Version: V1.0.0 XIEGU...
  • Page 2 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver CONTENTS XIEGU, all rights reserved. Version No.: 1.0...
  • Page 3 I. Device Overview X6100 is a short-wave transceiver in a zero IF (ZIF) architecture, which adopts a HF/50 MHz full mode (for data communications) and comprises a built-in automatic antenna tuner and a built-in large-capacity lithium battery pack. The transmitting power of this device is 5W.
  • Page 4 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver Middle plate unit: Power amplifier Head Power module Charging Battery Discharging Middle plate XIEGU, all rights reserved. Version No.: 1.0 Page 2 of 32...
  • Page 5 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver Control board unit: 4-inch color Key, knob screen + card matrix power module slot Bluetooth Core board module control Sound USB accessory interface card Data communications Control board USB host interface Middle...
  • Page 6 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver II. Board-level Maintenance 2.1 Antenna tuner board unit: X6100 LPF&ATU V1.2 ● Fault phenomenon: no LPF in a section, no LPF in the entire section Maintenance method Fault phenomenon LPF antenna tuner board...
  • Page 7 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Failure phenomenon: power runaway Maintenance method Fault phenomenon LPF antenna tuner board Check points Check for welding problems in Standing wave detector the standing wave detector Power runaway Check the FPC socket for false...
  • Page 8 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: antenna tuner failure (unable to adjust) Maintenance methods: 1. Check whether all chips, relays and coils in the antenna tuner unit are faultily welded. Control 2 2. Confirm whether the magnetic ring and number of turns of the antenna tuner coil are correct.
  • Page 9 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver 2.2 Middle plate unit The distribution map of middle plate "X6100 BaseUnit V1.3b" units is as follows: Power module Peripheral interface Amplifier Local oscillator Receiving mixer BPF unit Baseband unit Transmitting mixer...
  • Page 10 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver The general parameters of each basic measurement point on the small signal board are as follows: Maintenance methods: ■ We are to explain with the default test frequency point of 14.270 MHz as an example. The maintenance test frequency point of each subsequent step is considered to be 14.270 MHz by default.

  • Page 11: Maintenance Methods

    XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Failure phenomenon: BootLoader or firmware cannot be written Maintenance methods: Maintenance method Fault phenomenon Middle plate Check points Check for false welding D1 & MCU chips Unable to write Check for the presence of 3.3 V...
  • Page 12 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: no receiving, or double peaks Maintenance methods: 1. Instrument settings: Instrument settings Instrument Oscilloscope First set of Second set of name probe position parameters parameters Signal source 14.271 MHz, -20 dBm 14.271 MHz, -40 dBm...
  • Page 13 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver 4. Measure the signal strength according to the signal routing, then measure R1, Instrument R2 and R3 in turn. Check points Frequency Amplitude, mVpp settings ■ During the above test, PRE shall be turned on. If the value measured at 14.271 MHz...
  • Page 14 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: BPF unit test failure Maintenance methods: Check points Fault 1. First check the BPF band switching Middle Inspection phenomenon control area: plate area Check the control for ■ False welding, solder bridge or...
  • Page 15 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: the horn is silent Maintenance methods: 1. First check whether the built-in speaker is damaged: use the test horn to access P1, and listen out for any sound. 2. Check whether there is any false welding on the S/P seat.
  • Page 16 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: no PRE The fault phenomena are as follows: During the network analysis test, turn on/ off the PRE function, and the amplitude of the amplitude-frequency curve will not change (or become low).
  • Page 17 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: ACC display screen T/R does not switch over, and no band voltage is found; CW transmitting power does not exist Fault phenomenon: ACC display screen T/R does not switch over, and...
  • Page 18 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: failure to tune the quiescent current Maintenance methods: 1. First check the welding of MOS tubes A and B: there is no short circuit. 2. Check whether fuse S and power inductor H are broken or burned, etc.
  • Page 19 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: no transmitting power Maintenance methods: 1. First check whether the quiescent current is correct. 2. Instrument settings: Instrument settings Oscilloscope Instrument name probe Group 1 Group 2 Primary position...
  • Page 20 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: the microphone cannot switch the frequency range, and signals are emitted once the microphone is plugged in. Maintenance methods: Maintenance method Fault phenomenon Middle plate Check points Check for welding problems around...
  • Page 21 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: transmitting carrier suppression cannot be Maintenance methods: regulated ■ Cause 1: Carrier suppression caused by transmission channel fault cannot be adjusted. Check whether the transmitting baseband amplifier, transmitting mixer and small transmitting transformer have welding problems such as false welding and short circuit (see the picture on the left: Baseband unit, transmitting small signal area).
  • Page 22 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: the battery won't charge. Maintenance methods: Maintenance method Fault phenomenon Middle plate Check points Check for any damage caused to the VEXT input protection diode The battery won't heck the charging module for...
  • Page 23 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver 2.2 Control board unit The distribution map of control board "X6100 BaseUnit V1.3b" units is as follows: TF card slot Top key FPC socket Middle plate FPC socket Transceiver indicator light DEV accessory...
  • Page 24 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: the yellow-green LED does not light up or is too bright Maintenance methods: 1. Check whether the LED light comes off or damaged ■ Method: measure the LED with a multimeter while setting the multimeter in the diode position: if intact, the LED will light up.
  • Page 25 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: the key is unresponsive or garbled Color screen FPC socket Encoder 1 Core board Key 3 Key 1 Encoder 2 Key 2 Microphone Maintenance methods: 1. If a single key does not function, then check whether the key is damaged and poorly welded ■...
  • Page 26 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: the knob is unresponsive or garbled Maintenance methods: 1. Check points A1, A2 for dropping parts or false welding and solder bridges. Check points 2. Check whether the encoder is damaged, and at points A1, A2 the three pins of the encoder cannot be mutually short-circuited.
  • Page 27 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: the power indicator is not working or fails to display the right color Maintenance methods: 1. Observe the component in the red box in the picture on the left side to see whether they are burned or falsely welded.
  • Page 28 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: is unavailable, and it goes into a black screen once the Wi-Fi is connected Wi-Fi Maintenance methods: Voltage (V) before Voltage (V) after 1. Visual inspection: check the Bluetooth module for...
  • Page 29 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: the key light is on, but the screen does not light up or is blurred Core board Color screen FPC socket Color screen power supply module Maintenance methods: 1. 4" color screen power supply module (brightness from level 1 to level 10):...
  • Page 30 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: failure to write any program Core board Power on-off key Maintenance methods: 1. First check whether any parts are burned down at power supply C and D. ■ At point D, many tantalum capacitors were previously found to have been burnt out, making it impossible to write any program.
  • Page 31 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: DEP port and HOST are out of order Maintenance methods: 1. Fault phenomenon: DEP is without a port and HOST cursor mouse is dead ■ Patch-weld the two type-c interfaces 2.
  • Page 32 XIEGU Product Maintenance Manual X6100 Portable HF Transceiver ● Fault phenomenon: failure to save time settings Button cell Maintenance methods: 1. Check whether the button cell is inserted obliquely and whether P1 plug is damaged. 2. Use a multimeter to check the level of the button cell (about 3.3V).