Table of Contents
Advertisement
Quick Links
MARINE HANDHELD TRANSCEIVER
Catalog Number: MR HH475 FLT BT/EU
CONTENTS
Page
Specifications........................................................................................................................................................2
Theory of Operation...............................................................................................................................................4
Block Diagram.......................................................................................................................................................7
Disassembly Instructions................................................................... ..................................................................8
Alignment Procedures...........................................................................................................................................9
Adjustment Procedure.........................................................................................................................................10
Wiring Diagram....................................................................................................................................................11
Printed Circuit Board............................................................................................................................................12
Troubleshooting..................................................................................................................................................15
Exploded View.....................................................................................................................................................16
Exploded View Part List......................................................................................................................................18
Electrical &Packing &Other Parts List..................................................................................................................20
IC Lead Identification and Internal Diagram.........................................................................................................52
Transistor Lead Identification...............................................................................................................................61
Voltage Chart.......................................................................................................................................................62
Schematic Diagram.............................................................................................................................................66
Version:01 Date: Mar 16, 2010
Advertisement
Table of Contents
Related Manuals for Cobra MR HH475 FLT BT
Summary of Contents for Cobra MR HH475 FLT BT
-
Page 1: Table Of Contents
MARINE HANDHELD TRANSCEIVER Catalog Number: MR HH475 FLT BT/EU CONTENTS Page Specifications................................2 Theory of Operation...............................4 Block Diagram...............................7 Disassembly Instructions.............................8 Alignment Procedures............................9 Adjustment Procedure............................10 Wiring Diagram..............................11 Printed Circuit Board............................12 Troubleshooting..............................15 Exploded View..............................16 Exploded View Part List............................18 Electrical &Packing &Other Parts List........................20 IC Lead Identification and Internal Diagram......................52... -
Page 2: Specifications
SPECIFICATIONS DESCRIPTION Unit LIMIT VHF RECEIVER... - Page 3 TRANSMITTER Bluetooth part Weather RECEIVER (for Us) Note:...
-
Page 7: Block Diagram
BLOCK DIAGRAM (for HH475) 3.3V... -
Page 10: Adjustment Procedure
± ±... -
Page 11: Wiring Diagram
WIRING DIAGRAM... -
Page 12: Printed Circuit Board
PRINTED CIRCUIT BOARD Main PCB Top View... - Page 13 PRINTED CIRCUIT BOARD Main PCB Bottom View...
- Page 14 PRINTED CIRCUIT BOARD Cradle Charger PCB View Top View Bottom View...
-
Page 16: Exploded View
EXPLODED VIEW (for HH475 Main Part) - Page 17 EXPLODED VIEW (for Battery and Antenna)
-
Page 52: Ic Lead Identification And Internal Diagram
IC LEAD IDENTIFICATION AND INTERNAL DIAGRAM 4116 PIN FUNCTION 3. MIXER OUT 4. VCC 5. IF IN 6. BY PASS 7. FILTER OUTPUT 8. FILTER INPUT 9. AUDIO 10. DISCRIMINATOR 11. IF OUTPUT 12. RSSI 13. COMP OUTPUT 14. COMP INPUT 15. - Page 53 2904 PIN FUNCTION 1.A OUTPUT 2.A - INPUT 3.A +INPUT 4.GND 5.B +INPUT 6.B - INPUT 7.B OUTPUT U3-XC61CN2702MR Block Diagram CMOS Output...
- Page 54 U4, U5-...
-
Page 55: Block Diagram
U GP214D Block Diagram PIN Description Pin No. Symbol Function Description I / O Fin1 RF input, channel 1. Power supply. 2, 15 Two pins are connected each other. Charge pum p output, cha nnel 1. Charg e pu mp current is selecte d b y th e inp ut serial data. - Page 56 U7-PIC24FJ64GA006 SOSCO/T1CK/CN0/RC14 PMD5/RE5 SOSCI/CN1/RC13 PMD6/RE6 OC1/RD0 PMD7/RE7 IC4/PMCS1/INT4/RD11 PMA5/SCK2/CN8/RG6 IC3/PMCS2/INT3/RD10 PMA4/SDI2/CN9/RG7 IC2/U1CTS/INT2/RD9 PMA3/SDO2/CN10/RG8 IC1/RTCC/INT1/RD8 MCLR PIC24FJXXGA006 PMA2/SS2/CN11/RG9 PIC24FJXXXGA006 OSC2/CLKO/RC15 OSC1/CLKI/RC12 C1IN+/AN5/CN7/RB5 C1IN-/AN4/CN6/RB4 SCL1/RG2 SDA1/RG3 C2IN+/AN3/CN5/RB3 U1RTS/BCLK1/SCK1/INT0/RF6 C2IN-/AN2/SS1/CN4/RB2 PGC1/EMUC1/V -/AN1/CN3/RB1 U1RX/SDI1/RF2 PGD1/EMUD1/PMA6/V +/AN0/CN2/RB0 U1TX/SDO1/RF3...
- Page 57 U8-XC6204B502MR 041 - D SU RESET FLASH MEMORY ARRAY PAGE (256/264 BYTES BUFFER 1 (256/264 BYTES BUFFER 2 (256/264 BYTES I O INTERFACE RESET...
- Page 58 U10, U12-XC6204B332MR U11-NJM2070 BIAS +INPUT +INPUT -INPUT OUTPUT -INPUT OUTPUT 100K...
- Page 59 U101- NJM3403AM A OUTPUT D OUTPUT A -INPUT D -INPUT A +INPUT D +INPUT C +INPUT B +INPUT B -INPUT C -INPUT B OUTPUT C OUTPUT OUTPUT -INPUT +INPUT DBVR...
- Page 60 U401-HT1621-DICE...
-
Page 61: Transistor Lead Identification
TRANSISTOR LEAD IDENTIFICATION MMBT3904 MMBT3906 1.Gate 1 2.Gate 2 1. Base 3.Drain 2. Emitter 4.Source 3. Collector 4901 8550 2SC4097R 2SC3356 1.Gate 1.Base 2.Drain 2.Emitter 3.Source 3.Collector 2SK210Y Drain Terminal No. Gate 1.Drain (output) Source 2.Source (GND) 3.Gate (input) KTC9014 Emitter Emitter Base... -
Page 62: Voltage Chart
4.78 4.20 3.45 4.81 4.38 4.39 0.64 0.60 RFIN 0.94 0.48 0.48 4.70 4.80 0.40 7.20 5.00 5.00 5.00 5.00 4.80 1.86 1.86 1.86 1.86 1.86 1.86 1.78 Pulse 1.56 1.30 4.80 1.80 1.80 5.00 1.70 1.70 1.70 4.80 2.40 2.40 2.40 2.40... - Page 63 VOUT 7.20 7.20 4.99 4.98 4.99 3.30 0.60 3.26 7.16 3.30 3.30 3.30 3.30 4.00 2.50 12.00 0.50 4.00 0.00 4.00 2.50 2.50 12.00 2.50 3.40 0.30 2.50 2.50...
- Page 64 Q1 2SC4901YK Q2 2SC4901YK Q3 2SC3356 Q4 2SC4901YK 0.70 0.80 0.25 4.54 0.74 3.76 0.71 Q5 2SC4901YK Q6 RD07MVS1 Q7 2SC4901YK Q9 MMBT3906LT1 2.30 6.80 4.00 4.10 0.00 0.70 3.90 0.78 2.32 3.40 4.10 4.02 Q8 3SK318 1.57 1.57 0.48 4.29 Q10 MMBT3904LT1 Q11 MMBT3904LT1...
- Page 65 Q23 2SC4097R Q27 2SC4097R 4.50 3.20 6.80 0.65 Q26 MMBT3906LT1 Q28 MMBT3904 Q29 MMBT3904 Q30 MMBT3904 3.48 4.10 4.10 2.20 3.30 5.00 4.00 4.00 2.20 3.40 5.00 Q101 MMBT3904LT1 Q107 2SB772 Q102 MMBT3904LT1 Q104 MMBT3904LT1 1.70 12.00 2.50 12.00 10.00 8.20 9.00 10.00...
-
Page 66: Schematic Diagram
SCHEMATIC DIAGRAM (for Main Radio) RSSI RX 5V RX ATT TX 5V RX_SW VCC 5V TX 5V TX_VCO TX 5V B+ 7.4V VCC 5V CPU_3V3 TX 5V TX 5V VCC 5V RX 5V VCC 5V Vcc_3V3 REW/ATIS_OUT VCC 5V VCC 5V VCC 5V VCC 5V TX_SW... - Page 67 SCHEMATIC DIAGRAM (for Cradle Charger) R120 C111 R101 +2.5V 100P 4.7K D102 R121 1N4001 100K C102 C103 C104 R119 C101 47uF/25V U102 DC_JACK 4.7K 47uF/25V TL431A Input:12VDC Q106 +2.5V 3904 U101A NJM3403 R122 100K Q107 R115 C105 C106 D103 2SB772 R107 100P 100P...