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RTS DV3066 Service Manual

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See also: Instruction Manual
CIRCUIT DESCRIPTION ............................ 1
PARTS LIST ............................................... 5
ADJUSTMENT ........................................ 21
PC BOARD..................................................24
SERVICE MANUAL
CONTENTS
SCHEMATIC DIAGRAM............................ 26
BLOCK DIAGRAM..................................... 28
SPECIFICATIONS...................................... 29
© 2016 Jan.

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Summary of Contents for RTS DV3066

  • Page 1: Table Of Contents

    SERVICE MANUAL © 2016 Jan. CONTENTS CIRCUIT DESCRIPTION ......1 SCHEMATIC DIAGRAM......26 PARTS LIST ..........5 BLOCK DIAGRAM........28 ADJUSTMENT ........21 SPECIFICATIONS........29 PC BOARD..........24...

  • Page 2: Circuit Description

    DV3066 CIRCUIT DESCRIPTION XF3001) is amplified by an IF amplifier (Q511) and the 1. Frequency Configuration resulting signal enters the FM IC (U503). The frequency configuration is shown in Figure 1 and MIXER D501,D502 IF AMP RF AMP Q507 XF3000,XF3001 Q511 D506 Q506 Table 1.
  • Page 3 DV3066 CIRCUIT DESCRIPTION 2-5. Squelch A noise component is obtained by passing FM To output sounds from the speaker, U201 sends a high detection output (FM IC pin 9) through an operational signal to the PA1 line and turns U205 on through Q201, amplifier in the FM IC and band-pass filter consisting of Q205, Q206 and Q207.
  • Page 4 DV3066 CIRCUIT DESCRIPTION 4. PLL frequency synthesizer 5-1.Microphone Amplifier Circuit The PLL circuit generates the first local oscillator signal The audio signal from the microphone passes through a for reception and the RF signal for transmission. microphone amplifier (U207) and enters Audio processor (U201).U201 is composed of Compressor,...

  • Page 5: Power Supply

    DV3066 5-4. APC Circuit flashes to notify the operator that it is time to replace the The APC circuit always monitors the current flowing battery. If the battery voltage falls even more (approx. through the RF power amplifier (Q505) and keeps a 6.0V), a beep sounds and transmission is stopped.

  • Page 6: Parts List

    DV3066 SPARTS LIST MAIN UNIT Ref. No Parts No. Description of item Size (LxW)(mm) Specification C200 SMT CAPACITOR 0603 104±10% 50V C201 SMT CAPACITOR 0603 102±10% 50V C202 SMT CAPACITOR 0603 473±10% 50V C203 SMT CAPACITOR 0603 102±10% 50V C204...
  • Page 7 DV3066 PARTS LIST Ref. No Parts No. Description of item Size (LxW)(mm) Specification C247-C248 SMT CAPACITOR 0603 20P±5% 50V C249 SMT RESISTOR 0603 C250 SMT CAPACITOR 0603 47P±5% 50V C251 SMT CAPACITOR 0603 105±10% 50V C252 SMT CAPACITOR 0603 100P±5% 50V...
  • Page 8 DV3066 PARTS LIST Ref. No Parts No. Description of item Size (LxW)(mm) Specification C281 SMT CAPACITOR 0603 102±10% 50V C282 SMT CAPACITOR 0603 104±10% 50V C283 SMT CAPACITOR 0603 122±10% 50V C284-C286 SMT CAPACITOR 0603 103±10% 50V C287 SMT CAPACITOR 0603 470P±5% 50V...
  • Page 9 DV3066 PARTS LIST Ref. No Parts No. Description of item Size (LxW)(mm) Specification C571 SMT CAPACITOR 0603 12P±5% 50V C572 SMT CAPACITOR 0603 10P±0.25P 50V C573 SMT CAPACITOR 0603 NO USE C574 SMT CAPACITOR 0603 6P±0.1P 50V C575-C577 SMT CAPACITOR...
  • Page 10 DV3066 PARTS LIST Ref. No Parts No. Description of item Size (LxW)(mm) Specification C615 SMT CAPACITOR 0603 15P±5% 50V C616 SMT CAPACITOR 0603 18P±5% 50V C617 SMT CAPACITOR 0603 2P±0.1P 50V C618 SMT CAPACITOR 0603 24P±5% 50V C619 SMT CAPACITOR 0603 5P±0.1P 50V...
  • Page 11 DV3066 PARTS LIST Ref. No Parts No. Description of item Size (LxW)(mm) Specification C646 SMT CAPACITOR 0603 18P±5% 50V C647 SMT CAPACITOR 0603 10P±0.25P 50V C648 SMT CAPACITOR 0603 NO USE C649 SMT CAPACITOR 0603 2P±0.1P 50V C650-C651 SMT CAPACITOR 0603 15P±5% 50V...
  • Page 12 DV3066 PARTS LIST Ref. No Parts No. Description of item Size (LxW)(mm) Specification E500-E503 SMT TANTALUM CAPACITOR A type 10uF±20% 10V E504 SMT TANTALUM CAPACITOR A type 4.7uF±20% 10V E505 SMT TANTALUM CAPACITOR A type 0.47uF±20% 35V E506 SMT TANTALUM CAPACITOR A type 0.22uF±20% 35V...
  • Page 13 DV3066 PARTS LIST Ref. No Parts No. Description of item Size (LxW)(mm) Specification R228 SMT RESISTOR 0603 10K±5% R229-R233 SMT RESISTOR 0603 10K±5% R234 SMT RESISTOR 0603 100R±5% R235 SMT RESISTOR 0603 1K±5% R236 SMT RESISTOR 0603 100K±5% R237 SMT RESISTOR 0603 10K±5%...
  • Page 14 DV3066 PARTS LIST Ref. No Parts No. Description of item Size (LxW)(mm) Specification R266 SMT RESISTOR 0603 NO USE R267 SMT RESISTOR 0603 1.8M±5% R268 SMT RESISTOR 0603 6.8K±5% R269 SMT RESISTOR 0603 3.3K±5% R270 SMT RESISTOR 0603 300K±5% R271...
  • Page 15 DV3066 PARTS LIST Ref. No Parts No. Description of item Size (LxW)(mm) Specification R530 SMT RESISTOR 0603 330R±5% R531 SMT RESISTOR 0603 100R±5% R532 SMT RESISTOR 0603 33R±5% R533 SMT RESISTOR 0603 56K±5% R534 SMT RESISTOR 0603 47K±5% R535 SMT RESISTOR 0603 56K±5%...
  • Page 16 DV3066 PARTS LIST Ref. No Parts No. Description of item Size (LxW)(mm) Specification R566-R567 SMT RESISTOR 0603 1.2K±5% R568 SMT RESISTOR 0603 6.8K±5% R569-R571 SMT RESISTOR 0603 3.3K±5% R572 SMT RESISTOR 0603 47R±5% R573 SMT RESISTOR 0603 47R±5% R574 SMT RESISTOR 0805 120R±5%...
  • Page 17 DV3066 PARTS LIST Ref. No Parts No. Description of item Size (LxW)(mm) Specification R606 SMT RESISTOR 0603 8.2K±5% R607-R610 SMT RESISTOR 0603 NO USE R900 SMT RESISTOR 0603 NO USE R903 SMT RESISTOR 0603 NO USE SMT RESISTOR ARRAY 4D03 RP200-RP201 10K×4...
  • Page 18 DV3066 PARTS LIST Ref. No Parts No. Description of item Size (LxW)(mm) Specification Q200 SMT DIGITAL TRANSISTOR SOT-523 DTC144TE Q201 SMT TRANSISTOR SC-89 2SB1132 Q202 SMT DIGITAL TRANSISTOR EMT3 DTC144EE Q205-Q206 SMT DIGITAL TRANSISTOR EMT3 2SC5383 Q207 SMT DIGITAL TRANSISTOR...
  • Page 19 DV3066 PARTS LIST Ref. No Parts No. Description of item Size (LxW)(mm) Specification U201 SMT IC LQFP-100 SRT3210 U202 SMT IC SSOP-20 SX9170 U203 SMT IC SOP8 AT24C64RM U204 SMT IC SSOP8 NLM2904V U205 SMT IC MSOP-8 M4890 U206 SMT IC...
  • Page 20 DV3066 PARTS LIST Ref. No Parts No. Description of item Size (LxW)(mm) Specification L518 SMT SMALL FIXED INDUCTOR 0603 56nH L519 SMT RESISTOR 0603 L520 SMT WIRE WOUND INDUCTOR 0805 150nH L521-L522 SMT WIRE WOUND INDUCTOR 0805 220nH L523 SMT AIR-CORE COIL...
  • Page 21 DV3066 PARTS LIST Ref. No Parts No. Description of item Size (LxW)(mm) Specification LS200 SPEAKER 16R/1W MK2000 MICROPHONE MIC-9.7 VOLUME SWITCH 08110SNAXV020016-B103 CHANNEL SWITCH RE08120HX-V02-0607A S2000 FP1 BUTTON S2001 FP2 BUTTON S2002 TRANSMITTING BUTTON X500 SMT TCXO 19.200MHz XF3000-X3001 SMT CRYSTAL FILTER 38.850MHz...

  • Page 22: Adjustment

    DV3066 ADJUSTMENT Common Section Measurement Adjustment Specifications Item Condition /Remarks Test equipment Terminal Parts Method 1. Setting 1) BATT terminal voltage: 7.4V 2) SSG standard modulation [Wide] MOD:1kHz,DEV:3kHz [Narrow] MOD:1kHz,DEV:1.5kHz 2. VCO lock 1) CH: high less than 3.7V ±0.2V...
  • Page 23 DV3066 ADJUSTMENT Transmitter section Measurement Adjustment Specifications Item Condition /Remarks Test equipment Terminal Parts Method TEST CH: Center Power meter Programming 7. VOX 1 AG: 1KHz/5mV Deviation meter Software: Writing SP/MIC Oscilloscope QPS-3066 TEST CH: Center connector 8. VOX 10...
  • Page 24 DV3066 ADJUSTMENT Receiver Section Measurement Adjustment Specifications Item Condition Test equipment Terminal Parts Method /Remarks 2. SQL1 TEST CH: Center Programming Writing Squelch open (Threshold) Software: writing High QPS-3066 [Wide] SSG output: –127dBm (0.1μV) SSG MOD: 3.0kHz [Narrow] TEST CH: Center SSG output: -125dBm(0.126μV)

  • Page 25: Pc Board

    DV3066 PC board views...
  • Page 26 DV3066 PC board views...

  • Page 27: Schematic Diagram

    DV3066 SCHEMATIC DIAGRAM C584 C637 C600 C595 102P TP500 RF AMP 102P 471P R577 R578 POINT L519 R575 R576 C667 D510 VHF-ANT C571 D509 L527 NOUSE HVC376(B9) R524 R583 D507 D508 HVC376(B9) NOUSE R555 MIXER 100R HVC376(B9) HVC376(B9) ANTENNA SW...
  • Page 28 DV3066 SCHEMATIC DIAGRAM BATT1 Q210 RT1N141U RP204 RP200 RP202 C228 3.3M 编码开关 R223 C204 R204 R224 3.3M C241 R215 150K-1% RESET 104P 103P C265 470K 224P U200 1K*4 3.3M MICIN C227 103P CON_1 10K*4 5K1*4 Q209 Vout DTA123JE DEMOD C284...

  • Page 29: Block Diagram

    DV3066 BLOCK DIAGRAM TX‐RX UN IT CONTROL UN IT D EV D515 ANT SW FINAL  AMP DRIVE  AMP T/R SW RF AMP BUFF AMP Q520 MA2S360 2SC4226 D 503 Q518 D 506,D 511 Q505 Q513 Q515 Q516 Q517 D504 2SC4226 BA592X2 2SK3476 2SK3078 2SC3356 2SC4226 2SC4226 BA892X2 PLL IC LOOP FI LTER...

  • Page 30: Specifications

    DV3066 SPECIFICATIONS General Frequency Range 66~88MHz Number of channels Max. 128 Channel Spacing 25kHz,20KHz,12.5KHz PLL Channel Stepping 5kHz, 6.25kHz Operating Voltage 7.4 V DC ±20% Battery Life More than 14 hours at 5 watts (5-5-90 duty cycle with 1600mAh Li...