Daewoo DSL-19M1TC, Service Manual

Page 1: ...LCD TV DVD COMBO DEC 2006 DSL 19M1TC OSDSL19001...

Page 2: ...rief Introduction Of The DSL19M1TC Specification Schematic Diagram Printed Circuit PART 2 Key Ics And Assemblies PART 3 Detailed Circuit Main Board DVD Board HI voltage Board VGA Board PART 4 Disassem...

Page 3: ...can not only be connected to external audio and video signal source and PC but also features an AV output to extern audio and video device It also supports multi angle multi language and multi subtit...

Page 4: ...R Hsync Vsync Composite L R YC L R Composite SIF L R LR YPbPr LR L R SVIDEO IN CD4052 audio switch TDA1517ATW 2 audio power amplify MXX29LV160BT FLASH MT1389HD Decoder K4S641632H SDRAM BA5494 Motor D...

Page 5: ...Printed Circuit Main Board 3269C SDcard board 3274C Earphone board 3272C Keystoke board 3270C Remote control board 3271C VGA board 3273C Top layer view...

Page 6: ...Main Board 3269C SDcard board 3274C Earphone board 3272C Keystoke board 3270C Remote control board 3271C VGA board 3273C Bottom layer view...

Page 7: ...DVD board 2777C Top layer view DVD board 2777C Bottom layer view...

Page 8: ...HI voltage Board 2770C Top layer view HI voltage Board 2770C Bottom layer view...

Page 9: ...MT1389HD 4 2U3 FLI8125 4 U4 BA5954 5 1U6 FDS9435A 5 U5 BA6208F 6 1U1 AM1510 6 U6 K4S641632H 7 2U7 AT24C32A 7 U7 MX29LV160BT 8 1U2 AP1513S 8 U8 AT24C16 9 8U4 CD4052 9 U9 NJM4558 10 8U2 MSP3415G 10 U10...

Page 10: ...ICS ON MAIN BOARD 1 FSAV330 Low On Resistance Quad SPDT Wide Bandwidth Video Switch...

Page 11: ...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 12: ...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 13: ...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 14: ...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 15: ...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 16: ...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 17: ...ven B3 81 O Blue channel bit 3 Even Blue channel bit 1 Even AVSS_OUT_LV 82 G Ground for TTL outputs AVDD_OUT_LV_33 83 DP Digital Power for TTL outputs Connect to digital 3 3V supply PD20 B4 86 O Blue...

Page 18: ...132 131 130 129 128 125 124 123 IO External PROM data input ROM_OEN 118 O External PROM data Output Enable ROM_SDI ROM_WEN 97 O External PROM data Write Enable for In System Programming of FLASH or Se...

Page 19: ...ate resistance and provide superior switching performance These devices are particularly suited for low voltage applications such as notebook computer power management and other battery powered circui...

Page 20: ...19 4 AT24C32A 2 Wire Serial EEPROM 32K 4096 x 8...

Page 21: ...20...

Page 22: ...21 5 LM1117 SOT 223...

Page 23: ...22 ICS ON DVD BOARD 1 BA033T Low saturation voltage type 3 pin regulator...

Page 24: ...AC coupled input path D 6 DVDRFIP Analog Input AC coupled DVD RF signal input RFIP 7 DVDRFIN Analog Input AC coupled DVD RF signal input RFIN 8 MA Analog Input DC coupled main beam RF signal input A...

Page 25: ...Power Analog power 3 3V 25 CSO RFOP Analog output 1 2 Central servo Positive main beam summing output 26 RFLVL RFON Analog output 1 2 RFRP low pass or Negative main beam summing output 27 SGND Ground...

Page 26: ...put Op amp negative input 36 OP_INP Analog input Op amp positive input 37 DMO Analog Output Disk motor control output PWM output 38 FMO Analog Output Feed motor control PWM output 39 TROPENP W M Analo...

Page 27: ...R PU Microcontroller address 13 69 HIGHA6 Inout 2 16MA SR PU Microcontroller address 14 68 HIGHA7 Inout 2 16MA SR PU Microcontroller address 15 89 AD7 Inout 2 16MA SR Microcontroller address data 7 86...

Page 28: ...O 58 IOA4 Inout 2 16MA SR PU Microcontroller address 4 IO 59 IOA5 Inout 2 16MA SR PU Microcontroller address 5 IO 60 IOA6 Inout 2 16MA SR PU Microcontroller address 6 IO 61 IOA7 Inout 2 16MA SR PU Mic...

Page 29: ...Flash chip select active low IO 94 UWR Inout 2 16MA SR PU SMT Microcontroller write strobe active low 95 URD Inout 2 16MA SR PU SMT Microcontroller read strobe active low 97 UP1_2 Inout 4MA SR PU SMT...

Page 30: ...28 Pin Main Alt Type Description 204 SPMCLK SCLK0 Inout Non pull 1 2 Audio DAC master clock of SPDIF input While SPDIF input is not used I Serial interface port 0 clock pin II GPIO 205 SPDATA SDIN0 I...

Page 31: ...els I GPO_1 203 ASDATA2 Inout 4MA PD SMT 1 2 3 4 Audio serial data 2 Center LFE DSD data left surround channel Trap value in power on reset I 1 manufactory test mode II 0 normal operation While using...

Page 32: ...output 226 AL GPIO Output 2 While internal AUDIO DAC not used a SDATA2 b GPIO 1 AUDIO DAC Left Surround channel output 227 ALS GPIO Output 2 While internal AUDIO DAC not used a SDATA0 b GPIO 1 AUDIO D...

Page 33: ...External TV encoder I Microcontroller external interrupt 3 II Audio serial data 5 part II DSD data sub woofer channel or Microphone output III GPIO 179 HSYN INT4 V_ADIN2 Inout 4MA SR SMT Non pull 1 2...

Page 34: ...IO_8 DQM3 Inout Non pull 1 2 Digital Video output Clock GPIO 165 Y_0 IO_9 RD24 Inout Non pull 1 2 Digital Video output Y bit 0 GPIO 164 Y_1 IO_10 RD25 Inout Non pull 1 2 Digital Video output Y bit 1 G...

Page 35: ...be active low 133 RWE output DRAM Write enable active low 132 DQM1 Inout Data mask 1 130 IO_18 DQS1 Inout Non pull GPIO 129 RD8 Inout DRAM data 8 128 RD9 Inout DRAM data 9 127 RD10 Inout DRAM data 10...

Page 36: ...t 6 GPIO 54 TDO V_ADIN7 Inout Non pull 1 2 3 Serial interface port 3 chip select Version AD input port 7 GPO Note 1 The Main column is the main function Alt Means alternative function 2 The multi func...

Page 37: ...36 4 BA5954...

Page 38: ...37...

Page 39: ...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 40: ...system clock I O transactions are possible on every clock cycle Range of operating frequencies programmable burst length and programmable latencies allow the same device to be useful for a variety of...

Page 41: ...40 Pin Configuration top view...

Page 42: ...41 7 MX29LV160BT 16M BIT 2Mx8 1Mx16 CMOS SINGLE VOLTAGE 3V ONLY FLASHMEMORY...

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Page 45: ...bits each The device is optimized for use in many industrial and commercial applications where low power and low voltage operation are essential The AT24C16 is available in space saving 8 pin PDIP 8 p...

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Page 47: ...46 9 NJM4558 DUAL OPERATIONAL AMPLIFIER...

Page 48: ...47...

Page 49: ...interface format mute and de emphasis The WM8714 supports I2 S and right Justified audio data interfaces The WM8714 is an ideal device to interface to AC 3TM DTS TM and MPEG audio decoders for surroun...

Page 50: ...l DAC output 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...

Page 51: ...cts Features 4 5V 8V operation Fixed High Frequency Voltage Mode PWM Control Latched Off Protection Build In Low Frequency PWM Generator Build in UVLO Low Power CMOS Process Totem Pole Output 16 Pin P...

Page 52: ...nt becomes to 1uA when TIMER 0 3V 6 ONOFF I The control pin of turning on or off the IC 1V threshold with an internal 80K 15 ohm pull low resistor 7 GND I O The ground pin of the device 8 NOUT2 O The...

Page 53: ...52 2 AP4511M N AND P CHANNEL ENHANCEMENT MODE POWER MOSFET...

Page 54: ...53 Part 3 Detailed Circuit MAIN BOARD DVD BOARD HI VOLTAGE BOAD VGA BOAD...

Page 55: ...g1 Front view of the whole assembly diagram in which front panel 1 middle panel 2 LCD screen 3 base bottom 4 power indicator 5 remote sensor 6 2 Fig2 Back view of the whole assembly diagram in which r...

Page 56: ...55 3 Fig3 Back view without handle and cover for lines output Remove four screws from A position...

Page 57: ...side panel 2 key pad 3 right shield panel 4 LCD shield 5 speaker 6 Remove the screws for rear panel fixing from positions like A Remove the screws for base bottom fixing from B position 5 Fig5 Assembl...

Page 58: ...in which Main board 1 VGA board 2 DVD board 3 HI voltage board 4 Eadphone board 5 Remove the screws for loader fixing from A position 7 Fig7 Remove the USB and headphone board and the screws for its f...

Page 59: ...58 8 Fig8 Remove the screws for Card board fixing from A positions to see the Remote control board 1 9 Fig9 Remove the screws for VGA board fixing from A positions...

Page 60: ...s screws for DVD board fixing from B positions screws for main board fixing from C positions and screws for remote control board fixing from D positions 11 Fig11 Remove the screws for side panel fixin...

Page 61: ...ig13 Remove the screws for LCD screen and its shield fixing from A positions 14 Fig14 Back view of the middle panel and front view of the front panel Remove the screws for front panel fixing from A po...

Page 62: ...61 15 Fig15 The connections between the DVD board and the Card board the USB and Headphone board the Key pad board...