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10. WM8714

24-bit, 96kHz Stereo DAC

The WM8714 is a high performance stereo DAC designed for audio applications such as DVD, home theatre

systems, and digital TV. The WM8714 supports data input word lengths from 16 to 24-bits and sampling rates up to
96kHz. The WM8714 consists of a serial interface port, digital interpolation filters, multi-bit sigma delta modulators and
stereo DAC in a 14-pin SOIC package.

The WM8714 has a hardware control interface for selection of audio data interface format, mute and de-emphasis.

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Summary of Contents for DSL19M1WC

Page 1: ...d for improving their performance without notice in the parts list So if you need the latest parts information please refer to PPL Parts Price List in Service Information Center Service Manual LCD TV...

Page 2: ...NUAL CONTENT PART 1 Brief Introduction Of The DSL 19M1WC Schematic Diagram Printed Circuit PART 2 Exploded view PART 3 Key Ics And Assemblies PART 4 Detailed Circuit Main Board DVD Board HI voltage Bo...

Page 3: ...5V LVDS 3 3V 1 8V RGB L R Hsync Vsync Composite L R YC L R Composite SIF L R LR YPbPr LR L R SVIDEO IN CD4052 audio switch TDA1517P audio power amplify MXX29LV160BT FLASH MT1389HD Decoder K4S641632H...

Page 4: ...Printed Circuit Main board 3768C Top layer view...

Page 5: ...Main board 3768C Bottom layer view...

Page 6: ...DVD board 3769C Top layer view...

Page 7: ...DVD board 3769C Bottom layer view...

Page 8: ...HI voltage Board 3678C Top layer view HI voltage Board 3678C Bottom layer view SD card board3773C Top layer view...

Page 9: ...SD card board3773C Bottom layer view Earphone board3772C Top layer view Earphone board3772C Bottom layer view...

Page 10: ...Remote control head board3921C Top layer view Remote control head board3921C Bottom layer view...

Page 11: ...Part2 Exploded view...

Page 12: ...040B 3 U3 MT1389HD 4 2U3 FLI8125 4 U4 BA5954 5 1U4 FDS9435A 5 U5 BA6208F 6 1U1 AP1510 6 U6 HY57V641620HGT 7 2U2 AT24C32A 7 U7 MX29LV160BT 8 1U2 AP1513S 8 U8 AT24C16 9 8U4 CD4052 9 U9 NJM4558 10 8U2 MS...

Page 13: ...ICS ON MAIN BOARD 1 FSAV330 Low On Resistance Quad SPDT Wide Bandwidth Video Switch...

Page 14: ...lications It incorporates a multi standard video decoder high speed triple 8 bit Analog to Digital Converter ADC and front end switching An integrated VBI Slicer adds Closed Captioning CC and Teletext...

Page 15: ...nalog Power 1 8V for C Channel Must be bypassed with 0 1uF capacitor to the analog system ground plane ADC_TES T 162 O Analog Front End Test O P Leave this Pin open Used for factory testing purpose on...

Page 16: ...or network to Analog Ground Plane on board AGND 185 AG Analog Ground Must be directly connected to the analog system ground plane on board SV3P 186 AI Positive analog sync input for channel 3 The inpu...

Page 17: ...th Analog Input 6 The Input signal connected to this Pin must be bypassed with LBADC_RTN 8 AG This Pin provides the Return Path for LBADC inputs Must be directly connected to the analog system ground...

Page 18: ...nal 10K pull up resistor DDC_SDATA 27 IO DDC2Bi data for VGA Port internal 10K pull up resistor MSTR_SCLK 30 O Clock signal from Master Serial 2 Wire Interface Controller MSTR_SDATA 31 IO Data signal...

Page 19: ...O Panel Power Control Tri state output 5V tolerant AVDD_LV_33 56 DP Digital Power for LVDS Block Connect to digital 3 3V supply VCO_LV 57 O Reserved Output for Testing Purpose only at Factory AVSS_LV...

Page 20: ...to digital 3 3V supply PD20 B4 86 O Blue channel bit 4 Even Blue channel bit 2 Even PD21 B5 87 O Blue channel bit 5 Even Blue channel bit 3 Even PD22 B6 88 O Blue channel bit 6 Even Blue channel bit...

Page 21: ...digital 3 3V CVDD_1 8 18 28 39 45 84 119 126 133 143 P Core VDD Connect to digital 1 8V CRVSS 19 29 33 40 46 50 85 99 117 120 127 134 144 155 G Chip ground for core and ring Table 10 JTAG Boundary Sca...

Page 22: ...1 RDS ON 0 075 VGS 4 5 V High density cell design for extremely low RDS ON High power and current handling capability in a widely used surface mount package 4 AT24C32A 2 Wire Serial EEPROM 32K 4096 x...

Page 23: ...22...

Page 24: ...23 5 LM1117 SOT 223...

Page 25: ...24 6 74LVX125 Low Voltage Quad Buffer with 3 STATE Outputs...

Page 26: ...25 7 AT49BV040B...

Page 27: ...26...

Page 28: ...27...

Page 29: ...52B is a differential 4 Channel multiplexer having two binary control inputs A and B and an inhibit input The two binary signals select 1 of 4 pairs of channels to be turned on and connect the analog...

Page 30: ...29 PInputs ICS ON DVD BOARD 1 BA033T Low saturation voltage type 3 pin regulator...

Page 31: ...30 2 LM1117 See Page 22 3 MT1389HD Abbr SR Slew Rate PU Pull Up PD Pull Down...

Page 32: ...RF signal input A 9 MB Analog Input DC coupled main beam RF signal input B 10 MC Analog Input DC coupled main beam RF signal input C 11 MD Analog Input DC coupled main beam RF signal input D 12 SA Ana...

Page 33: ...ss or Negative main beam summing output 27 SGND Ground Analog ground 31 FEO Analog output Focus error monitor output 32 TEO Analog output Tracking error monitor output 33 TEZISLV Analog output TE Slic...

Page 34: ...ve input 37 DMO Analog Output Disk motor control output PWM output 38 FMO Analog Output Feed motor control PWM output 39 TROPENP W M Analog Output Tray PWM output Tray open output 40 PWMOUT 1 V_ADIN9...

Page 35: ...ddress 15 89 AD7 Input 2 16MA SR Microcontroller address data 7 86 AD6 Input 2 16MA SR Microcontroller address data 6 85 AD5 Input 2 16MA SR Microcontroller address data 5 84 AD4 Input 2 16MA SR Micro...

Page 36: ...U Microcontroller address 7 IO 67 A16 Output 2 16MA SR Flash address 16 91 A17 Output 2 16MA SR Flash address 17 63 IOA18 Input 2 16MA SR SMT Flash address 18 IO 64 IOA19 Input 2 16MA SR SMT Flash add...

Page 37: ...icrocontroller port 1 5 101 UP1_6 SCL Input 4MA SR PU SMT 1 Microcontroller port 1 6 2 I2 C clock pin 102 UP1_7 SDA Input 4MA SR PU SMT 1 Microcontroller port 1 7 2 I2 C data pin 103 UP3_0 RXD Input 4...

Page 38: ...e port 0 chip select II Audio serial data 5 part I DSD data sub woofer channel or Microphone output III GPIO 209 ALRCK Input 4MA PD SMT 1 2 Audio left right channel clock Trap value in power on reset...

Page 39: ...e I Microcontroller external interrupt 2 II GPO_0 216 SPDIF Output 2 16MA SR ON OFF Non pull SPDIF output 217 APLLVDD3 Power 3 3V Power pin for audio clock circuitry 218 APLLCAP Analog Input APLL Exte...

Page 40: ...d Ground pin for VIDEO DAC circuitry 183 YUV5 B Cb Pb Output 4MA SR 1 2 Video data output bit 5 Blue or CB 182 YUV6 R Cr Pr Output 4MA SR 1 2 Video data output bit 6 Red or CR 181 VSYN V_ADIN1 Input 4...

Page 41: ...tput C bit 6 GPIO 167 C_7 IO_7 RD23 Input Non pull 1 2 Digital Video output C bit 7 GPIO 177 IO_17 DQM2 Input Non pull GPIO 166 YUVCLK IO_8 DQM3 Input Non pull 1 2 Digital Video output Clock GPIO 165...

Page 42: ...t Non pull GPIO 129 RD8 Input DRAM data 8 128 RD9 Input DRAM data 9 127 RD10 Input DRAM data 10 126 RD11 Input DRAM data 11 125 RD12 Input DRAM data 12 124 RD13 Input DRAM data 13 123 RD14 Input DRAM...

Page 43: ...ns alternative function 2 The multi function GPIO pins are set to green characters 3 The video input port and external TV encoder mode can not both use CCIR 601 mode at least one of them should be in...

Page 44: ...43...

Page 45: ...motors in cassette players and other electrical equipment by using TTL level logic signals The IC contains a logic section which controls forward and reverse rotations as well as forced stop and an o...

Page 46: ...45 7 MX29LV160BT 16M BIT 2Mx8 1Mx16 CMOS SINGLE VOLTAGE 3V ONLY FLASHMEMORY...

Page 47: ...46...

Page 48: ...47 8 AT24C16 2 Wire Serial CMOS E2 PROM 16k 2048 x 8 The AT24C16 provides 16384 bits of serial electrically erasable and programmable read only memory EEPROM...

Page 49: ...pplications where low power and low voltage operation are essential The AT24C16 is available in space saving 8 pin PDIP 8 pin and 14 pin SOIC packages and is accessed via a 2 wire serial interface In...

Page 50: ...49 9 NJM4558 DUAL OPERATIONAL AMPLIFIER...

Page 51: ...TV The WM8714 supports data input word lengths from 16 to 24 bits and sampling rates up to 96kHz The WM8714 consists of a serial interface port digital interpolation filters multi bit sigma delta mod...

Page 52: ...7 GND Supply Negative supply 8 VDD Supply Positive supply 9 VOUTL Analogue output Left channel DAC output 10 MUTE Digital input Soft mute control Internal pull down High Mute ON Low Mute OFF 11 NC No...

Page 53: ...ternal resistor connected here may change the operation frequency of CTOSC in open load situation 4 CTOSC I O An external capacitor connected here can set the frequency of high frequency PWM controlle...

Page 54: ...r connected here can set the operation frequency of low frequency PWM generator with 1 0V 2 5V triangle wave output 13 PWMDC I Low frequency PWM controlling input A PWM output comes out by comparing t...

Page 55: ...54...

Page 56: ...OUT1 OUT2 VSS1 VSS2 1C4 10n 1C12 100n VCC12 1R1 3 3k 1R16 1K VCC5 PANEL PW 1C23 100n 1R3 10k VCC12 1R4 3k 1R8 2 2k 1C14 100n PNL VCC 1 8VCC VCC1 8 1T1 TRANSFORMER PNL VCC VCC5 1C11 100n VCC12 3 3V_DVD...

Page 57: ...41 42 43 44 47 48 51 52 46 50 180 181 182 183 151 152 153 154 155 156 150 149 148 147 146 145 144 143 142 141 140 139 138 137 136 135 134 133 132 131 130 129 128 127 105 106 107 108 109 110 111 112 11...

Page 58: ...I_B 3R55 0 nc Pb SCA CVBS 3R22 75 3R36 75 VCC5 DDC 5V 3C28 100n 3R19 10K DVD CVBS 3C42 100n NC 3FB3 FB HDMI_R 3R13 75 3FB9 FB 0 3EC10 470uF 16V 3C7 330pF 3C31 100n NC 0 SCART 1 DVB DVB GND 3FB2 FB R08...

Page 59: ...CC 8V VCC5_TUNER 3EC14 2 2u 16V 8C22 100n VGA A R 8R61 NC 9CN16 CON502H 1 2 3 4 5 8R38 0 nc YPbPr A R 8EC2 10uF 16V 3C74 100n 8C14 56p SCL M SDA M VOUTR AUDIO SEL0 YPbPr A L 8EC24 100u 25V 3C62 100pF...

Page 60: ...8 9 10 3 3V_DVDD HDMI0_RX1 5R1 10K HDMI_RESET HDMI_CEC GND 5C21 100n 5R29 10K SCL M 5EC1 10uF 6V3 HDMI0_VCC 5C44 3 9nF 5R24 22R 5EC9 47uF 5C5 1n 5C9 1n 5EC7 47uF 1 8V_DVDD HDMI0_RX2 HDMI0_DDCSCL 5R21...

Page 61: ...66 DV33 CE9 CDV10uF 25V DC100BC DEVICE CB8 0 1uF MT1389HD VSTB CB6 0 1uF 12V 3 SDRAM FLASH Fix regulator URST 2 4 AUTO DVD 2 MT1389HD IR 2 RESET Circuit Audio 5V DV33 L3 FB VCC Laser Diode 3 3V SLOTIN...

Page 62: ...3 CDV10uF 25V WE DQM0 IO_16 TP58 R18 1 TP8 R39 15k R80 33 ALRCK 5 VSTB GPIO_4 CB23 0 1uF C28 1uF TP16 A4 V18 KEY2 L11 FB TP45 NC V18 PCE 3 89_ALS 3 ALE IO_15 RAS STOP CB22 0 1uF R41 33k Very Important...

Page 63: ...SOP54 1 2 4 12 5 7 9 8 10 46 11 13 15 16 17 18 19 35 22 23 24 25 26 14 41 29 30 31 32 33 34 36 37 38 39 40 43 42 44 52 45 47 49 48 50 51 53 54 20 21 3 6 27 28 VCC DQ0 DQ1 VSSQ DQ2 DQ3 VCCQ DQ4 DQ5 VSS...

Page 64: ...on0402w 1 2 3 4 D11 1N4148 1 2 Q6 3906 1 3 2 5VV USBP USBM 2 R81 75 1 NC 5VV C NC R83 75 1 L19 0 56uH GND D2 1N4148 1 2 C55 47P YUV6 R84 75 1 NC U C59 47P C56 120P USBP 2 ASPDIF R121 75 1 D6 1N4148 1...

Page 65: ...CB62 0 1uF 1800pF DAC_ASDAT0 R107 10K 100pF SBCLK1 R102 100K C69 AVCC R112 OPEN 22k DVD L C73 CB58 0 1uF C72 1000pF 1800pF 1800pF C62 2000p CE32 CDV100uF 25V R86 SLRCK1 CE29 CDV47uF 25V 1000pF 1000pF...

Page 66: ...R32 R19 C1 C31 1 2 R29 D1 C2 C26 1 2 C39 1 2 OP4 R3 Q7 4 3 1 2 8 7 6 5 R13 C16 1 2 C13 1 2 R40 C36 1 2 J4 1 2 J2 1 2 C35 1 2 Operation frequency 50KHZ D6 1 3 2 C23 1 2 Test Pannel AU M170EG01 R10 1 2...

Page 67: ...R114 R103 01 57 R 2 E822J SMD resistor 0603 8 2K 5 1 R108 01 57 R 2 E912J SMD resistor 0603 9 1K 5 2 R113 R98 01 57 R 2 E103J SMD resistor 0603 10K 5 15 R2 R20 R25 R26 R40 R44 R47 R48 R50 R52 R59 R69...

Page 68: ...1 CB19 01 54 CS 2 E103Y SMD capacitor 0603 103 Y5V 20 80 50 V 1 C6 01 54 CS 2 E153Y SMD capacitor 0603 153 Y5V 20 80 50 V 1 C41 01 54 CS 2 E333X SMD capacitor 0603 333 X7R 10 50V 1 C20 01 54 CS 2 E10...

Page 69: ...0 L21 L22 L23 L24 01 13 L L S E011 SMD inductor 0805 3 3UH 2 L8 L7 01 13 L L S E006 SMD inductor 0805 1 8UH 1 L40 01 13 L L S E007 SMD inductor 0805 10UH 4 L13 L15 L27 L28 01 13 L Z ESA50 SMD magnetis...

Page 70: ...R15 2R19 01 57 R 2 E750F SMD resistor 0603 75 1 21 3R7 3R8 3R9 8R5 2R28 2R29 3R10 3R11 3R12 3R13 3R14 3R21 3R22 3R23 3R51 3R52 3R53 3R67 3R68 3R69 3R70 01 57 R 2 E101J SMD resistor 0603 100 5 14 8R1 8...

Page 71: ...603 6P NPO 0 25 50 V 2 8C16 8C17 01 54 CS 2 E220N SMD capacitor 0603 22P NPO 5 50V 7 2C69 3C21 3C22 3C23 3C26 3C27 3C56 01 54 CS 2 E330N SMD capacitor 0603 33P NPO 5 50V 2 2C64 2C63 01 54 CS 2 E470N S...

Page 72: ...tor CD110 22UF 16 V 5 11 1 2EC14 01 34 CL D E22U25V0C Electrolyse capacitor CD110 22UF 25 V 5 11 2 3EC22 3EC21 01 34 CL D E10U16VC Electrolyse capacitor CD110 10UF 16 V 5 11 11 3EC1 3EC4 3EC5 8EC1 8EC...

Page 73: ...SMD 12 3D1 3D2 3D3 3D4 3D5 3D6 3D7 3D12 3D13 3D14 3D15 3D16 01 42 Q S E2N3904 Audion 2N3904 SMD 10 1Q1 1Q2 2Q6 3Q3 3Q4 8Q1 8Q2 8Q4 9Q3 9Q4 01 42 Q S E2N3906 Audion 2N3906 SMD 3 2Q5 2Q7 9Q1 01 00 JZ E1...

Page 74: ...M3768C01B Configure table LTD06M 3768C 01 with HDMI configure 1 Bom No Part No Part Name QTY LTD06M 3768C01 without HDMI 02 11 LTD06M3768C 01A Configure table 1 Part No Name Specification QTY LOCA NO...

Page 75: ...r 0805 10UH 1 5L1 01 13 L Z ESA50P SMD magnetism bead 0603 50 PB 2 3FB12 3FB11 01 13 L Z ESB50P SMD magnetism bead 0805 50 PB 4 1L10 1L11 1L12 1L13 01 41 D PS ELL4148 Diode LL4148 SMD 2 5D1 5D2 01 41...

Page 76: ...3 L L S E188 SMD inductor 0805 47UH 2 1L16 1L17 01 38 FUSE D EGP60 Fuse GP60 075 DIP 1 F1 01 40 CON S13 AY1 001 Jack 1 25 5A vertical DIP 1 J1 01 40 CON DPH E024 Jack PH 5A 1 CN16 01 40 CON DCZ E117 U...

Page 77: ...SMD resistor 0603 2K 5 1 R9 01 57 R 2 E103J SMD resistor 0603 10K 5 3 R41 R17 R40 01 57 R 2 E153J SMD resistor 0603 15K 5 4 R23 R24 R25 R26 01 57 R 2 E203J SMD resistor 0603 20K 5 1 R14 01 57 R 2 E223...

Page 78: ...6 D07 D08 D09 D10 01 41 D PS E1SS355 Diode 1SS355 SMD 1 D11 01 41 D WS EUDZ7V5B Diode UDZ7V5B 7 5V 1 ZD1 01 42 Q S E2N3904 Audion 2N3904 SMD 2 Q1 Q4 01 42 Q S E2N3906 Audion 2N3906 SMD 1 Q5 01 42 Q S...

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