DVB SMP137HDT2 Service Manual
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DVB SMP137HDT2 Service Manual

Terrestrial receiver
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DVB-Terrestrial Receiver
SMP137HDT2+SMP012HDT2

Service Manual

This service manual should be used with the User Manual together.
Please read this Service Manual and User Manual carefully before service this product.
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Summary of Contents for DVB SMP137HDT2

  • Page 1: Service Manual

    DVB-Terrestrial Receiver SMP137HDT2+SMP012HDT2 Service Manual This service manual should be used with the User Manual together. Please read this Service Manual and User Manual carefully before service this product.

  • Page 2: Table Of Contents

    Contents Safety Instructions ..................3 Generally Guide ..........................3 Low Potential Leakage Testing ..........................3 High Potential Leakage Testing ..........................3 Protect Electro-Static(ES)-sensitivity Device from Electro-Static Discharge …………………………………………. ………………………………3-4 Electrical Specifications ................. 5 Mechanical Exploded View Drawing .............. 6 Mechanical Parts List .......................... 7 Packaging and Accessories ................

  • Page 3: Safety Instructions

    Safety Instructions Generally Guide 1. Please check electric circuits before maintenance and change the damaged or over heated components if short-circuit has been found. 2. Please check all protective devices have been installed well after maintenance, like whether insulation covering and paper has been installed well or not. 3.
  • Page 4 those components are usually called electrostatic-sensitive devices. Such like integrated circuits, laser diodes and field effect devices. The following tips will help you to reduce the impacts on those components while electrostatic discharging. 1.Please release static which build-up on human body before handling electrostatic-sensitive devices by using grounded tools.

  • Page 5: Electrical Specifications

    Electrical Specifications A Audio Section （MPEG-1 Layer Ⅱ, R. L Track Output） ITEM UNIT REQUIREMENTS Test Environment 1.0～2.0 Audio Output Level Output impedance is 10KΩ 1KHz 0dB +1/-2.0 20Hz-60Hz 0.5 60Hz-17.5KHz Frequency Characteristics +1/-3 17.5KHz-20KHz ≥70 1KHz 0dB weighting N-CBAR100.TS f= 1KHz ≥60 R Channel Separation P-CBAR75.TS...

  • Page 6: Mechanical Exploded View Drawing

    Mechanical Exploded View Drawing...

  • Page 7: Mechanical Parts List

    Mechanical Parts List Part No. Part Name Notes 4110-1842-000H Face-piece Transparent ABS 4111-1842-005H Bottom Cover 2104-1847-300H Decoding Board 3211-3008-0016 Screws Mainboard/ botton cover ST3x8PTTNi...

  • Page 8: Packaging And Accessories

    Packaging and Accessories...

  • Page 9: Packaging Exploded View Drawing

    Packaging Exploded View Drawing Material List Material No. Name 4401-1656-000H White Box User Manual 2301-1555-000H Remote Control 4413-1812-1100 Bubble Bag 180*210mm 1 Appendix 1 Flowchart and Circuit Diagram Flowchart Wiring Diagram Circuit Diagram of Decoding Board...

  • Page 12: Flowchart

    Flowchart Wiring Diagram...
  • Page 13 DDR3 RXADC TUNER I/F STD3V3 XRXADC_IP RXADC_QP RXADC_DVD XRXADC_IN RXADC_QN Ferrite DDRII BLM18HK331SN1D IF_AGC IF_AGC I2C-SCL3 B C5 I2C-SCL3 DDRII_A[0..12] I2C-SDA3 DDRII_A[0..12] I2C-SDA3 DDRII_DQSJ[0..1] ANT_OVERLOAD 10UF 100NF DDRII_DQSJ[0..1] ANT_OVERLOAD [7] DDRII_DQS[0..1] GPIO122 place on Top layer， DDRII_DQS[0..1] ANT5V_ON_OFF [7] DDRII_DQM[0..1] VDDO DDRII_DQM[0..1] DDRII_DQ[0..15]...
  • Page 14 STRAP[19] _CPU Probe En DDR II DDR II STRAP_19 STRAP_19 [3,6] 0: Probe disable(Default) Strap_Pin STRAP_18 STRAP_18 [3,5] STRAP_14 1: Probe enable STRAP_14 [3,6] STRAP_8 STRAP_8 [3,5] DDRII_DQ0 DDRII_A0 DDRII_A0 STD3V3 STRAP_4 STRAP[18] _SF_Boot Enable STRAP_4 [3,5] DDRII_DQ1 DDRII_A1 DDRII_A1 STRAP94 STRAP94 [4,5]...
  • Page 15 AUDIO AMP STD5V 5V_AMP AUDIO_DR AUDIO_DR AUDIO_DL AUDIO_DL MUTE MUTE [3,4] ECA1 100NF 100UF/16V RCA_R_OUT 330R C210 UVP>1.15V R253 150PF 1000pF 10K/NC 100k 1.2K AUDIO_DR SGM8905 620R 9.1K 2.2UF/16V 0.33UF 2.7NF CVBS CVBS_OUTPUT VDACOUT4 ECV1 330UF/16V C162 RA10 330R RCA_L_OUT 47PF ESD5B5V 100K...
  • Page 16 TUNER INTERFACE RXADC_QP RXADC_QP RXADC_QN RXADC_QN I2C-SCL3 RF_3V3 I2C-SCL3 RF_1V8 I2C-SDA3 I2C-SDA3 C T1 C T2 15PF 15PF IF_AGC IF_AGC ANT5V_ON_OFF C T4 C T5 C T6 ANT5V_ON_OFF [3] Y T1 560PF 100NF 100NF RF_3V3 Wifi filter GND1 CLK_OUT 4.7K 4.7K BW21S7511A01TF CT10...
  • Page 17 VDD33 LED5 VDD33 IRRX POWER ON STANDBY IRRX R107 F_STANDBY F_STANDBY R108 R109 180R 180R IRRX R110 Must short the jumper when use IR. 0R/NC IRM-3638T 330PF R111 2N3904 R112 F_STANDBY 2N3904 MK11 MK12 FIDUCIAL FIDUCIAL MK10 FIDUCIAL FIDUCIAL Decoding Board Schematic Diagram (5)
  • Page 18 CORE POWER STANDBY POWER FB28 Ferrite VDD33 STD3V3 DEN-3V3 BLM21PG601SN1D VDDCORE C P1 TC19 VDDCORE=1.15V 100UF/10V/NC 2.2UF/10V 10UH C P2 R113 R114 1N4148 100NF C 18 C 19 DEN-3V3 AP2972 100NF 10UF/10V SI2323DS 51K/1% 220UF/16V 100NF 100K R820 R115 There is leatage current from C P5 PMU 3V3 to STD3V3, this 100K...
  • Page 19 EC17 222/400VAC 4.7uF/400V/105C EC18 ！ 10uF/400V/105C IN4007/DO-41 IN4007/DO-41 ！ ！ 100K/2W 2.2nF/630V_tery lene PD10 UU9.8_68mH±20% IN4007/DO-41 IN4007/DO-41 100uF/25V/NC P12V ！ FR104/DO-41/NC KB1341-22093 FR107/DO-41 T1AL250V ！ 1000uF/10V/105C 1000uF/10V 15uH/2A SB360/DO-27/NC 100nF/16V 100nF/16V KB1341-11863A ！ SB360/DO-27 PN8136/DIP8 ！ 22R/0603 3P/3.96 FR104/DO-41 330R PR10 10uF/50V/105C 27nF/25V/0603...

  • Page 21: Appendix 2 Silkscreen Of Pcb

    Appendix 2 Silkscreen of PCB Silkscreen of Decoding Board Top PCB Diagram of Decoding Board Top Silkscreen of Decoding Board Bottom PCB Diagram of Control Board Bottom...

  • Page 22: Silkscreen Of Decoding Board Top

    of Decoding Board Top Silkscreen...

  • Page 23: Silkscreen Of Decoding Board Bottom

    Silkscreen of Decoding Board Bottom...

  • Page 24: Pcb Diagram Of Decoding Board Top

    Diagram of Decoding Board Top...

  • Page 25: Pcb Diagram Of Decoding Board Bottom

    PCB Diagram of Decoding Board Bottom...

  • Page 26: Appendix 3 Component List

    PCB Diagram of Control Board Bottom Appendix 3 Component List Component List of Decoding Board...

  • Page 27: Component List Of Decoding Board

    Component List Component List of Decoding Board Material No. Name Specification Position decoding deck, 4208-2034-002H ST7.820.1506,102×93×1.2mm, printing plate Double-sided board, ROHS 3260-1000-2004 ST7.061.0097 Aluminum ROHS On the top of U1 Heat Sink 20×20×16mm ROHS ST6.430.0024,0.3mm 4303-1599-000H Shield Cover Tinplate,,ROHS 4303-0762-001H tuner Shield Cover ST6.430.0016,0.3mm...

  • Page 28: Component List Of Decoding Board

    3020-1472-0003 4.7K±5%,1/16w,0402 R1,RT2,RT3,R3,R17,R20,R21, SMD Resistor R23,R25,R29,R30,R50 R64 3020-1512-0003 5.1KΩ±5%,1/16w,0402,RoHS RA16 SMD Resistor 3020-1103-0005 10K±5%,1/16w,0402 R5,R6,PR6,PR7,PR8,R12 SMD Resistor RT13 ,R33,R35,R47,R111 R112,R115,R116,R118,R119 R186,R187,R189,R191,R195 RA8,RA14 3020-6150-0300 15KΩ±1%,1/16W,0402,ROHS SMD Resistor 3020-1203-0003 20KΩ±5%,1/16w,0402 R11,R13 SMD Resistor 3020-1243-0001 24KΩ±5%,1/16w,0402 RA5,RA13 SMD Resistor 3020-6300-0300 30KΩ±1%,1/16w,0402,RoHS SMD Resistor 3020-6330-0300 33KΩ±1% 1/16W 0402 R107...
  • Page 29 3020-3470-0002 4×47Ω±5%,0402,1/16W,ROHS RN1,RN5,RN7,RN24,RN27 SMD Resistor 3020-1104-0005 Carbon Film 100KΩ±5%,2W,RoHS Resistor 3040-1027-0001 CT11 2.7PF±0.25PF,50V,0402,RoHS MLCC 3040-1150-0001 15PF±5%,50V,0402,RoHS CT1,CT2 MLCC 3040-1220-0005 22PF±5%,16V,0402 CP13 MLCC 3040-1330-0003 33PF±5%,16V,0402 BC1,BC2 MLCC 3040-1470-0001 47PF±5%,50V,0402,RoHS C162 MLCC 3040-1101-0002 100PF±5%,50V,0402,RoHS MLCC BC8,BC68,BC69 MLCC 3040-1151-0001 150PF±5%,50V,0402,RoHS CA2,CA8,CT15,CT16 MLCC 3040-1331-0006 330PF±5%,50V,0402 MLCC 3040-1561-0006...
  • Page 30 MLCC 3040-1334-0004 0.33uF±20%,10V,0402,RoHS CA5,CA7 MLCC 3040-1474-0006 0.47uF+80-20%,16V,0402,RoHS MLCC 3040-1105-0014 1uF+80-20%,16V,0402 CT24,CT29,BC26 Component List Component List of Decoding Board Material No. Name Specification Position 0.027uF+80-20%,50V,0603,R MLCC 3040-1273-0001 MLCC 3040-1104-0008 0.1uF+80-20%,50V,0603 0.1uF+80-20%,50V,0805,RoH MLCC 3040-1104-0010 BC162 3040-1105-0013 MLCC 1uF+80-20%,16V,0603,ROHS BC7,BC12,C16,C18,C20,BC21 MLCC 3040-1225-0003 2.2uF±20%,16V,0805,RoHS CA4,CA10,C8,CP1 4.7uF±20%,25V,0805,RoHS MLCC...
  • Page 31 High pressure 2200PF±20% AC400V 3040-1222-0007 ceramics capacitors Chip Bead 0402,330Ω,100mHz,100mA,R 3170-3004-0214 FBT1,FBT2 Chip Bead 0603,60Ω,IDC:max800mA, 3170-3006-0306 0603,330Ω,100mHz,200mA,R 3170-3006-0333 FB10 Chip Bead 0805,330Ω,100mHz,1.5A,RO 3170-3008-0526 Chip Bead FB25,FB26,FB30 3170-3006-0330 Chip Bead 0603,1KΩ,100MHz,200mA FB29 3170-3008-0510 Chip Bead 0805,60Ω,100MHz,max800mA FB28,L34 White 3050-1301-8003 high-frequency 1.8nH±5%,0402,ROHS. ceramic inductors 12nH ±...
  • Page 32 3060-5239-0600 SMD TRANSISTOR 2N3906 SOT23 Component List Component List of Decoding Board Material No. Name Specification Position 3060-6034-0100 SMD TRANSISTOR AO3401,SOT-23,ROHS Q8,Q10 3070-1243-8000 Receiver head HL-2438M,38KHz,ROHS 3070-1382-1001 SMD IC M3821-ALAA,LQFP-128-Pin,ROHS A3R12E40CBF-AH,32M×16,84-bal 3070-1312-4003 SMD IC 3070-1253-2003 SMD IC GD25Q32BSIG,SOP8,32M,208MIL, 3070-1240-8501 SMD IC APS2408ES5-ADJ,SOT23-5L,ROHS 3070-1813-6100 PN8136,DIP-7,ROHS...

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Smp012hdt2

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