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Related Manuals for BBK SMP244HDT2
Summary of Contents for BBK SMP244HDT2
- Page 1 All manuals and user guides at all-guides.com DVB-Terrestrial Receiver SMP244HDT2 /SMP242HDT2 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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Page 2: Table Of Contents
All manuals and user guides at all-guides.com Contents Safety Instructions ..................3 Generally Guide ..........................3 Low Voltage Leakage Testing ..........................3 High Voltage Leakage Testing ..........................3 Electrical Specifications ................. 5 Mechanical Exploded View Drawing .............. 6 Mechanical Parts List .......................... 6 Packaging and Accessories ................ -
Page 3: Safety Instructions
All manuals and user guides at all-guides.com 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, such as insulation covering and paper. - Page 4 All manuals and user guides at all-guides.com Please install the electrostatic-sensitive devices on conductor products such as aluminum foil to prevent static build-up after disassembling from this DVB-T receiver. The soldering iron must be earthed while soldering and unsoldering the electrostatic-sensitive devices. Only antistatic solder can be used for electrostatic-sensitive devices disassembly.
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Page 5: Electrical Specifications
All manuals and user guides at all-guides.com 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 1KHz 0dB weighting... -
Page 6: Mechanical Exploded View Drawing
All manuals and user guides at all-guides.com Mechanical Exploded View Drawing Mechanical Parts List Part No. Part Name Notes 4101-1611-000H Front Panel Transparent ABS 4122-1611-000H Buttons D111-1716-000H Bottom Cover 0,5mm cold-rolled sheet B104-1635-701H Decoding Board 4110-0777-000H Top Cover 0,5mm cold-rolled sheet 3211-3008-0009 ST3*8PTTZc Screws Main board/Bottom Cover... -
Page 7: Packaging And Accessories
All manuals and user guides at all-guides.com Packaging and Accessories Packaging Exploded View Drawing Material List Material No. Name 4401-0777-000H White Box ST2.025.0521MXR1 User Manual B301-1555-000H Remote Control 4413-2312-2101 Bubble Bag 230*220mm 1... -
Page 8: Appendix 1 Flowchart And Circuit Diagram
All manuals and user guides at all-guides.com Appendix 1 Flowchart and Circuit Diagram Flowchart Wiring Diagram Circuit Diagram of Decoding Board Circuit Diagram of Control Board... - Page 9 All manuals and user guides at all-guides.com Decoder ALI 3812 AV(CVBS_AL/AR) HDMI RF IN(75 ohm) ON BOARD TUNER MAIN POWER SUPPLY ( MxL603 ) (PN81 3 6) RF OUT (75 ohm) Flowchart...
- Page 10 All manuals and user guides at all-guides.com 3 buttons LED Display Window Wiring Diagram...
- Page 11 All manuals and user guides at all-guides.com DDRII STRAP PIN DDRII_A[0..13] DDRII_A[0..13] DDRII_DQSJ[0..1] DDRII_DQSJ[0..1] DDRII_DQS[0..1] STRAPPIN1 DDRII_DQS[0..1] STRAPPIN1 DDRII_DQM[0..1] STRAPPIN2 DDRII_DQM[0..1] STRAPPIN2 DDRII_DQ[0..15] STRAPPIN5 DDRII_DQ[0..15] STRAPPIN5 DDRII_BA[0..2] DDRII_BA[0..2] VREF DEMOD&Tuner I/F VREF DDRII_WEJ DDRII_WEJ DDRII_CASJ GPIO25 DDRII_CASJ DEMO_RST DDRII_RASJ IIC_SCK DDRII_RASJ IIC_SCK DDRII_CKJ...
- Page 12 All manuals and user guides at all-guides.com Strap_Pin DDRII DDRII_A[0..13] STD3V3 DDRII_A[0..13] DDRII_DQSJ[0..1] DDRII_DQSJ[0..1] DDRII_DQS[0..1] DDRII_DQS[0..1] DDRII_DQM[0..1] DDRII_DQM[0..1] DDRII_DQ[0..15] DDRII_DQ[0..15] DDRII_BA[0..2] DDR II NC/4.7K STRAPPIN1 DDRII_BA[0..2] CPU_PROBE_EN:default L VREF NC/JUMPER2 VREF DDRII_WEJ JUMPER2 不插为 L DDRII_WEJ DDRII_CASJ DDRII_DQ0 DDRII_A0 DDRII_CASJ DDRII_RASJ DDRII_DQ1 DDRII_A1...
- Page 13 All manuals and user guides at all-guides.com Audio LINE-OUT R139 5V_AMP 220K To RCA LINE_OUT_R RCA_R_OUT 0R/0603 Y/Pb/Pr,CVBS,L/R OUTPUT R170 C147 C120 C210 C201 R171 10uF/10V/0805 0.1uF 6.8pF 1000pF OPTION UVP>1.15V RCA JACK From AudioDAC RCA JACK 5V_AMP R132 SGM8905 1.2K 5.1K RCA_R_OUT...
- Page 14 All manuals and user guides at all-guides.com BC67 33pF TUNER I/F 20.48MHz BC66 33pF TUN_AGC TUN_AGC TUN_SDA TUN_SDA TUN_SCL TUN_SCL B C65 B C64 B C63 B C60 VDD1.2V_Demod B C62 B C61 IF line: the shortest line,same length, 0.1uF 0.1uF 0.1uF 0.1uF...
- Page 15 All manuals and user guides at all-guides.com Vdd_3.3V_Tuner Vdd_1.8V_Tuner I2C Dem od to Tuner 4700pF 4700pF C278 C280 BC23 RF_LOOP RFout BC26 22pF 100R 22pF TUN_SDA I2C_SDA_TUN_M BC22 B C20 B C19 TUN_SDA 16MHz R47 TUN_SCL I2C_SCL_TUN_M 560pF 0.1uF 0.1uF TUN_SCL BAV99 100R...
- Page 16 All manuals and user guides at all-guides.com STD12V(12mA) MOSFET Scart control CORE POWER SD43-4R7MC 4.7uH/1.7A VDDCORE SI2323 BC71 STD5V(30mA) MOSFET Audio amp circuit 10uF/10V/0805(Ceramic) 0.1uF BC74 12V(800mA) 22pF 0.1uF 150K 1% 100uF/10V 10uF/10V/0805(Ceramic) STD5V(50mA) HDMI APS2408ES5-ADJ BC70 5V(1500mA) DC-DC SY6288AAAC 220K 1% one way USB_VDD5(500mA)
- Page 17 All manuals and user guides at all-guides.com NC/24mH PD10 PD11 68mH ！ IN4007 IN4007 ！ ！ 100K/1W PD12 PD13 PC22 PC25 PR17 IN4007 IN4007 4.7uF/400V 10uF 400V NC/15uF 450V PC20 2.2nF/630V_tery lene PD17 NC(FR104) P12V ！ PD15 PC16 ！ FR107 NC(47uF/25V) NC(0.1uF) T1AL250V...
- Page 18 All manuals and user guides at all-guides.com STD3V3 U3 FD650S FB26 0R/120R 100M/0402 DIG1 DIG1 DP/KP FP_SDA FP_SCL SEG7 F_SDA G/KI7 FP_SCL FP_SDA SEG6 LED2 F_SCL F/KI6 FB27 SEG5 4HR40285B1001/共阴 E/KI5 DIG2 SEG4 0R/120R 100M/0402 DIG2 D/KI4 DIG3 SEG3 DIG3 C/KI3 DIG4 DIG4...
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Page 19: Appendix 2 Silkscreen Of Pcb
All manuals and user guides at all-guides.com Appendix 2 Silkscreen of PCB Silkscreen of Decoding Board Top Silkscreen of Decoding Board Bottom PCB Diagram of Decoding Board Top PCB Diagram of Control Board Bottom... - Page 20 All manuals and user guides at all-guides.com of Decoding Board Top Silkscreen...
- Page 21 All manuals and user guides at all-guides.com Silkscreen of Decoding Board Bottom...
- Page 22 All manuals and user guides at all-guides.com Diagram of Decoding Board Top...
- Page 23 All manuals and user guides at all-guides.com PCB Diagram of Decoding Board Bottom...
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Page 24: Appendix 3 Component List
All manuals and user guides at all-guides.com Appendix 3 Component List Component List of Decoding Board... - Page 25 All manuals and user guides at all-guides.com Component List Component List of Decoding Board (1) Material No. Name Specification Position D208-1848-000H Decoding Board ST7.820.1424,140*80*1.2mm ,94V0 double-sided fiberboard 4208-1848-000H ST7.820.1424,140*80*1.2mm optional ,94V0double-sided fiberboard, ROHS 3260-1000-1400 ST7.061.0069,14.3×14× On top of U1 Heat Sink 6mm Aluminium ST6.430.0006,0.3mm, tinplate 4303-0690-000H...
- Page 26 All manuals and user guides at all-guides.com Component List Component List of Decoding Board (2) Material No. Name Specification Position 3020-1333-0006 SMD Resistor 33KΩ±5% 1/16W 0402 R117 3020-6100-0400 SMD Resistor 100KΩ±1%,1/16W,0402,ROHS 3020-1104-0006 SMD Resistor 100K±5%,1/16w,0402 R114,R186,R208,R217,R229, R248,R168 3020-6150-0400 SMD Resistor 150KΩ±1%,1/16W,0402,ROHS R60,R143 3020-6200-0400...
- Page 27 All manuals and user guides at all-guides.com Component List Component List of Decoding Board (3) Material No. Name Specification Position C31,BC33,BC34,BC35,BC36, BC38,BC40,BC41,BC43,BC44, BC45,BC46,BC47,BC48,BC49, BC51,BC52,C53,BC53,C54, BC54,BC55,BC56,BC57,BC58, C59,C60,BC60,C61,BC61, BC62,BC63,C64,BC64,C65, BC65,BC71,BC72,C73,BC73, BC74,C75,BC75,C78,C81, C85,C91,C114,C120,C135, C154,C195,C208,C230,C236, C288 3040-1273-0001 Chip Capacitor 0.027uF+80-20%,50V,0603 PC18 3040-1104-0008 Chip Capacitor 0.1uF+80-20%,50V,0603 PC17 C197,C211...
- Page 28 All manuals and user guides at all-guides.com Component List Component List of Decoding Board (4) Material No. Name Specification Position 3080-3217-5100 BW21S7511A01TF,0805,75Ω,ROH Converter White High Frequancy Cemaric Inductor 3050-1327-1007 270nH±5%,0603 3050-1047-0013 SMD Power Inductor 4.7uH±20%,SD32-4R7MC,1.5A L27,L29,L35 3050-1100-0002 Radial Inductor 10uH±10%, 2A C150-1134-1107 Transformer KB1341-17855,...
- Page 29 All manuals and user guides at all-guides.com Component List Component List of Decoding Board (4) Material No. Name Specification Position C130-3665-0004 6*6*5 SW1,SW2,SW3 Touch Switch 3130-3665-0001 6*6*5，ROHS SW1,SW2,SW3 optional Touch Switch 3120-1102-0007 Fuse Slow type,1A,250V Crystal 20.48MHz, fundamental wave 49S,,30PPM,RoHS C110-2204-8600 Crystal 20.48MHz, fundamental wave 49S,30PPM,RoHS...