Page 1 PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2007 T-ZZV SEPT.
Page 2: Safety Information
PIONEER Service Manual. A subscription to, or additional copies of, Also test with plug reversed Earth PIONEER Service Manual may be obtained at a nominal (Using AC adapter ground charge from PIONEER. plug as required)
Page 3 SX-LX70SW...
Page 4: Table Of Contents
8.2 HOW TO UPDATE THE FLASH ROMS FOR VARIOUS MICROCOMPUTERS........62 8.3 HOW TO UPDATE THE DSP FLASH ROM BY PLAYING BACK A CD........... 64 9. EXPLODED VIEWS AND PARTS LIST......................66 9.1 PACKING (SX-LX70SW).......................... 66 9.2 PACKING (AS-LX70)..........................68 9.3 EXTERIOR SECTION..........................70 9.4 RECEIVER UNIT .............................
Page 5: Service Precautions
Compared with eutectic solders, lead-free solders have higher bond strengths but slower wetting times and higher melting temperatures (hard to melt/easy to harden). The following lead-free solders are available as service parts: • Parts numbers of lead-free solder: GYP1006 1.0 in dia. GYP1007 0.6 in dia. GYP1008 0.3 in dia. SX-LX70SW...
Page 6: Specifications
(ADE7119) (XDE3071) AM Loop Antenna FM Wire Antenna Display Unit (ATB7013) (ADH7030) (AXX7258) RECEIVER SOURCE CTRL HDMI TUNER SIRIUS LINE (x2) AA/LR6 Alkaline Batteries PAGE TOP MENU MENU DISC NAVIGATOR HOME MENU RETURN SETUP RECEIVER MUTE Remote Control (AXD7512) SX-LX70SW...
Page 7: Specifications
2.2 SPECIFICATIONS Specifications SX-LX70SW Audio Multi-channel Receiver Subwoofer SSP-LX70ST Satellite Speaker (Front/center speakers x2, Surround speakers x2) • Amplifier section RMS Power Output (8 channel output): • Front/center speakers Enclosure......Closed-box bookshelf type Front (L/R).
Page 8: Panel Facilities
Use to connect the supplied microphone for the Auto 6 IR remote sensor MCACC setup. 7 HDMI indicator (Red) Lights when this receiver subwoofer is connected to HDMI (HDCP) compatible component. Also lights during initialization, after you plug this unit into an AC outlet. SX-LX70SW...
Page 9 Lights when MCACC Effect is switched on. Blinks during Auto MCACC Setup. Lights when sleep timer is active. 8 XM/SIRIUS radio indicators Lights during XM reception mode. SIRIUS Lights during SIRIUS reception mode. A, B, C Indicate the class of XM or SIRIUS Radio. SX-LX70SW...
Page 10 Use high-quality audio/video connection with compatible HDMI devices. 3 CONTROL OUT jacks (x2) To select this input, choose HDMI 1 to HDMI 3. Connect other Pioneer components with the supplied c SYSTEM connector control cable. Connect to the display unit.
Page 11 VOL +/– Use to adjust the volume of the receiver subwoofer. c MUTE Mutes the sound or restores the sound if it has been muted (adjusting the volume also restores the sound). SX-LX70SW...
Page 12: Basic Items For Service
No scratches or dirt on its appearance after receiving it for service. See the table below for the items to be checked regarding audio: Item to be checked regarding audio Distortion Noise Volume too low Volume too high Volume fluctuating Sound interrupted SX-LX70SW...
Page 13: Pcb Locations
1..POWER SUPPLY UNIT AWR7051 1..MAIN ASSY AWK8028 1..FM/AM TUNER UNIT AXX7250 1..DAMP ASSY AWM8093 2..AMP ASSY AWU8298 2..CONNECTION ASSY AWU8299 2..EARTH ASSY AWU8318 1..HDMI ASSY AWX8872 1..BTOB ASSY AWX8951 1..AINB ASSY AWK8032 1..DISPLAY ASSY AWM8089 2..FL ASSY AWU8301 2..REMOCON ASSY AWU8302 SX-LX70SW...
Page 14: Jigs List
Silicone Adhesive refer to "9.4 RECEIVER UNIT" GYA1011 3.4 CLEANING CLEANING Before shipping out the product, be sure to clean the following positions by using the prescribed cleaning tools: Position to be cleaned Cleaning tools Fans Cleaning paper : GED-008 SX-LX70SW...
Page 15 SX-LX70SW...
Page 16: Block Diagram
AUDIO IN AINB ASSY JA5101 1.F/WGND 11.AVDIOR (AWK8032) 2.F/WGND 12.GNDA AKP7202 3.AACID 13.GNDA 4.F/WPOWER 14.SHELL 5.F/WPOWER 15.ACCPWR i.Pod IN 6.SGND 16.REMOTE SELIS 7.DOCKTX 17.GNDA 8.DOCKRX 18.USBD+ J H 3 8 0 1 9.USB/DGND 19.USBD- VEF1040 10.AVDIOL 20.IP-VIDEO KN3901 VNE1948 SX-LX70SW...
Page 17 17pin POWLED FL Shield HDMILED FL ASSY DIMMER ANK7132 RPM7140-H5 VS+12 (AWU8301) REMOCON KEY1 KEY2 REMOCON ASSY GNDD GNDLED STANDBY VOL- VOL+ INPUT (AWU8302) SELECTOR ADD7614 JP3701 DE010WC0 ANALOG AUDIO SIGNAL GNDD DIGITAL or PWM AUDIO SIGNAL COMMUNICATION LINE SX-LX70SW...
Page 18: Overall Block Diagram
Power(INT) Other(A/D) 512ACS JA5452 FRASH ROM OUT 2 JA3901 Unbal ->Bal JA3701 FRONT IC3802 IC5901 ANALOG IN TC4052BFN IC5981 PT6302LQ-003 JA5101 INPUT FL Driver IC i.Pod Connector SELECTOR RPM7140-H5 FL ASSY IC3803 V5901 REMOCON FL TUBE AINB ASSY ASSY SX-LX70SW...
Page 19 IC5502 TAS5142DKD JA3501 Filter Mute PST3245 IC3101 RESET TAS5508BPAG IC3401 MODULATOR IC TAS5142DKD Filter IC3301 TAS5142DKD JA3201 Filter 15MHz IC3201 TAS5142DKD 13.5MHz Filter Power Config Fan Info ANALOG IN Power Cont, Beat Cut Thermal Protect POWER SUPPLY UNIT VSFAN SX-LX70SW...
Page 20: Diagnosis
: To Step 3-1 correctly, replace IC1003. V+5DH Check the soldering of Q1006 or Is the voltage Q1007 and the peripheries of 5 V? Q1006 or Q1007. If soldering has not been done correctly, replace Q1006 or Q1007. SX-LX70SW...
Page 21 Step 3-2 : Reset Is the voltage RXRST IC101 (Pin 100) Check the patterns in the path. "L" (0 V)? Replace IC501. Check the parts and Is the voltage "H" (3.3 V)? patterns in the path. Replace IC501 or IC502. SX-LX70SW...
Page 22 (0 - 4.4 V)? Is the voltage Check JA1151. 5 V? Replace IC1203,IC1204. DSDA0 IC101 (Pin 33) Replace JA1151. Is there Check the patterns in the path. a same signal as G4 Check IC1205. (0 - 3.3 V)? Replace IC1205. SX-LX70SW...
Page 23 Check the patterns in the path. constant period Is there Check JA301. (0 - 5 V) Check the patterns in the path. a same signal as G8 Check IC1257. (0 - 3.3 V)? Replace JA901. Replace IC1257. SX-LX70SW...
Page 24 (IC101 - IC201). * When connected the source CLK? equipment to IN3. IC1151 (Pins 3,4,6, TMDS(HDMI IN3) Replace IC101. 7,9,10,45,46) Do signals (approx. 0.5 Vp-p) Check the soldering of JA1152. run in all the lines? Replace JA1152. SX-LX70SW...
Page 25 (IC201 - CN1001). DATA? Check the soldering of IC201, L207, Control Signal. Replace IC201. HDMUTE CN1001(Pin 17) Check the parts and patterns in Is the voltage "L" (0 V)? the path (IC501 - CN1001). Replace IC501. DSP Troubleshooting SX-LX70SW...
Page 26 HDMI Assy Check Points HDMI ASSY Commonness HDMI SIDE B SX-LX70SW...
Page 27: Dsp Troubleshooting
Is the voltage in the path. 5.0 V? in the path. 12 V? L906 LC902 side IC3012 (Pin 8) OP AMP Is the voltage Check the parts and patterns Replace IC901 Is the voltage 1.2 V? in the path. 12 V? SX-LX70SW...
Page 28 3.3 V? IC751 (Pins 9, 17) LIPSYNC IC FLASH ROM IC106 (Pin 37) Check the parts and patterns Is the voltage in the path. 3.3 V? Check the parts and patterns Is the voltage in the path. 3.3 V? SX-LX70SW...
Page 29 IC301 (Pin 30) To Step 3 Is there Is there an operating master an operating master clock signal(24.576 MHz) clock signal at IC551-pin 7? (24.576 MHz)? Replace IC551. Check the parts and patterns in the path. To Step 4 SX-LX70SW...
Page 30 IC651 (Pin 2) HDSW IC651 (Pin 1) Is there Is there abnormality at the a audio data parts and patterns input? Check the path to the in the input path? Is the voltage Replace IC301 microcomputer. 0 V? or IC651. SX-LX70SW...
Page 31 Check the parts and patterns in the path of ANALOG FUNC selection Replace IC301 or IC3013 or IC651. (iPoD, F.AIN, AIN, etc). IC651 (Pin 1) HDSW Is the voltage Check the path to the microcomputer. 0 V? SX-LX70SW...
Page 32 Replace IC301 or IC651. IC651 (Pin 2) Is there Is there abnormality at the a audio data parts and patterns input? in the input path? Replace IC301 or IC651. To Step 5-1 SX-LX70SW...
Page 33 Replace IC651 or, when IC101 is defective, IC101 H13 (R114) Replace the Assy. Is there Is there abnormality at the a LR clock parts and patterns in the path? Replace IC651 or, when IC101 is defective, Replace the Assy. SX-LX70SW...
Page 34 IC101 is defective, Replace the Assy. IC101 L14 (R121(4)) BDTI Is there Is there abnormality at the a audio data parts and patterns (with SBch source)? in the path? IC101 is defective, Replace the Assy. To Step 6 SX-LX70SW...
Page 35 Replace IC201. IC291 (Pin 6) MCK2 Is there Is there abnormality at the a master clock parts and patterns (24.576 MHz)? in the path? Replace IC291 or IC201. IC201 (Pin 73) SX-LX70SW...
Page 36 To Step 7 in the input path? (24.576 MHz)? Replace IC291. IC291 (Pin 8) MCLK4 Is there Is there abnormality at the an operating master parts and patterns clock signal in the output path? (24.576 MHz)? Replace IC291 or IC3101. SX-LX70SW...
Page 37 IC3101 (Pin 26) Failure in 2nd DSP block. Is there Go to Step 9. Is there abnormality at the a LR clock parts and patterns input? in the input path? Replace IC751 or IC3101. SX-LX70SW...
Page 38 (with Sch source)? in the path? Replace IC701 or IC751. IC701 (Pin 27) (CDT) Is there Is there abnormality at the a audio data parts and patterns (with Cch source)? in the path? Replace IC701 or IC751. SX-LX70SW...
Page 39 0 V? to CIRCUIT DESCRIPTION OF DIGITAL AMP. SECTION IC101 A9 (R132) DSP CDOUT (99D) (DSP UCOM) Is the clock Check the parts and patterns signal output while the in the path. voltage is 0 V? SX-LX70SW...
Page 40 Check the parts and patterns of D2CS periodically in the path. become 3.3 V or 0 V? IC201 (Pin 36) DSP2SCK (100D) (DSP UCOM) Is the clock Check the parts and patterns signal output while the in the path. voltage is 0 V? SX-LX70SW...
Page 41 Multi × Multi × DVD-A Multi × × Multi × Multi SACD × (DSD) Multi × (DSD) dts HD Master Audio × dts HD High Resolution Audio × dts HD LBR × Dolby TrueHD × Dolby Digital Plus × SX-LX70SW...
Page 42: Xm Troubleshooting
(Pin 6) 5.0V INPUT Is the voltage Check the parts and patterns around each in the path. 3.3V or 5.0V? IC4003 (Pin 16) TUNER/XM SELECTOR Is the voltage Check the parts and patterns around 12.0V? in the path. To Step 4 SX-LX70SW...
Page 43 Replace IC4003. Is there Is there abnormality at the a LR clock parts and patterns output? in the output path? to DSP TROUBLESHOOTING Step 4-2 : When a sound is not Replace IC501. out with the analog signal input SX-LX70SW...
Page 44: Sirius Troubleshooting
OUPUT signal? Replace IC1601. The SIRIUS CONNECT TUNER may be defective. Or confirm again the Antenna to DSP TROUBLESHOOTING Step 4-2 : When a sound is not and AC adapter. out with the analog signal input SX-LX70SW...
Page 45: Circuit Description Of Digital Amp. Section
IC3301 IC3401 OTW (2pin) => L IC3501 Output LPF section The carrier elements, high-frequency signals that are unnecessary for these speakers, are eliminated. The signals passed through the LPF will become sine-wave signals, as shown in the figure above. SX-LX70SW...
Page 46: Specifications For The Protection Circuits For The Digital Amplifier
Conditions: The above prerequisite is upheld, and the conditions for an overcurrent detection are met. 5. Process when the protection circuits are activated The unit is shut down within 30 ms after abnormality detection then the volume level is set to 0. The unit can be turned on immediately after the shutdown. SX-LX70SW...
Page 47: Conditions For Switching The Rotaions Speed Of The Fan
L : High speed FANCONT H : Low speed L : High speed Power Voltage (V) Low speed VSF+12 12.0 VSFAN High speed VSF+12 12.0 VSFAN 10.7 Note: The above voltage values are references. They differ from product to product. SX-LX70SW...
Page 48: Error List
It is displayed when the following operation is conducted during DTS-HD D T S - H D decoding. The warning display varies depending on whether or not it is Master Audio (Lossless). • ADVANCED • F.S.SURR • SOUND RETRIEVER SX-LX70SW...
Page 49 I n v a l i d C h a n e l Scroll "Invalid channel is selected" C a l l 5 - 5 9 - S I U S (XM/SIRIUS) Ex.) Call 885-539-SIRIUS Scroll to Subscribe "Unsubscribed channel" SX-LX70SW...
Page 50 The unit may be connected with the device that doesn't support a genre interlocking function. 2C0 VCID genre request undecided Time-out error The connected device may be in the state that doesn't enable a genre interlocking function (While the power is OFF, etc.) SX-LX70SW...
Page 51 The Memory system at the AC OFF is set as EEP ROM, and the capacity is limited. (128 bytes) : Memory backed up by DSP u-com : Memory backed up by the digital radio u-com : Memory backed up by the system u-com SX-LX70SW...
Page 52: Service Mode
DSP microcomputer 1st DSP 2nd DSP HDMI microcomputer Digital Radio microcomputer Normal display [Note] The destination information is indicated at the same time when the System u-com version is indicated. North America: KU (Europe: WY, General: DD, Japan: J) SX-LX70SW...
Page 53 FL Display Press the "POWER" and "INPUT SELECT" buttons together on the Display unit while the power is ON, and the power is turned OFF. Then, press the "POWER" key to turn the power ON, and Memory Clear is completed. SX-LX70SW...
Page 54: Service Test Mode
• When an EEPROM failure of DSP occurs, "DSP BackUpERR" is displayed in 15 seconds after the power is turned on. [In the case of EEPROM failure of DSP] FL display P o w e r FL display V o l u m e FL display c k U SX-LX70SW...
Page 55 2. At any portion between the above digital amplifier ICs and the system component (PDC157A8), the line for XOTW may be short-circuited to the ground or broken. 3. The heat sink is not installed properly. (Screws are loosened, silicone grease is not applied, etc.) SX-LX70SW...
Page 56 C t r . S S • Using the ab keys, change the numeric value (0 to 27: Default 11) and confirm it by the ENTER key. . S S * The menu "EX.SSP" is not used when servicing. SX-LX70SW...
Page 57: Disassembly
Display case FL Assy REMOCON Assy Bottom view Remove the three screws. Remove the four screws. Remove the shield plate. Disconnect the flexible cable. Remove the FL Assy. Rear view Remove the AINB Assy. AINB Assy Shield plate FL Assy SX-LX70SW...
Page 58 Remove the twelve screws. Disconnect the connecting cord. Pull up the cover board. Remove the connecting code from the hook. NOTE: Do not damage the connecting cord. Remove the Base (bottom). Connecting cord Hook Cover Board Bottom view Side view SX-LX70SW...
Page 59 Remove the connecting cord. Remove the four screws. Remove the speaker. Pull out the speaker. Bottom view Connecting cord Bottom view Remove the connecting cord. Remove the speaker. Connecting cord Bottom view SX-LX70SW...
Page 60 Remove the base (bottom). HDMI Assy HDMI Shield MAIN Assy CONNECTION Assy Base (bottom) Bottom view Remove the packing. Remove the fourteen screws. FM/AM TUNER Unit Remove the top case. Top Csse POWER SUPPLY Assy AMP Assy Top Csse EARTH Assy SX-LX70SW...
Page 61 Please refer step below. Put PCB vertical Put PCB vertical EARTH ASSY MAIN ASSY Slide and fix Slide and fix Need FMEA confirm: Need FMEA confirm: Bottom case Bottom case Can see screw=have Can see screw=have Earth Contact SX-LX70SW...
Page 62: Each Setting And Adjustment
It is placed inside the connection terminal cover of the main unit (at the SW portion). (VDA1681) GGF1348 RS-232C Straight cable There are two connectors behind the plastic projection. (The right one of the two connectors)...Common to all. The left one is not used. SX-LX70SW...
Page 63 6. Select the firmware file (.mot file) for updating each ucom. 12. Check the version. Note: Do NOT download the firmware file for other ucom. Please refer to "Indication of version" (P49) and check that the version has been changed to a new one. SX-LX70SW...
Page 64: How To Update The Dsp Flash Rom By Playing Back A Cd
Press the VOL+/- button on the Display unit to select "DSP1 DL". Then, press the INPUT SELECT button on the Display unit. * The download menu appears only when VOL 0 is set. ⇒ "DownLoading" is displayed on the FL, and the POWER LED (blue) flashes. SX-LX70SW...
Page 65 Turn on the power of main unit, and press the POWER button while pressing the INPUT SELECT to set it in the standby state. 7. Check the version of the DSP flash ROM (1st DSP). Please refer to "Indication of version" (P49) and check that the version has been changed to a new one. SX-LX70SW...
Page 66: Exploded Views And Parts List
Screws adjacent to mark on product are used for disassembly. For the applying amount of lubricants or glue, follow the instructions in this manual. (In the case of no amount instructions, apply as you think it appropriate.) 9.1 PACKING (SX-LX70SW) SX-LX70SW...
Page 67 PACKING (SX-LX70SW) PARTS LIST Mark No. Description Part No. • • • • • Protection Sheet SHC1864 Polyethylene Bag SHL1463 Protector SHA2595 Packing Case SHG2795 Cleaning Cloth SER1358 NSP 7 Protection Film SEH1130 Caution Card SRR1029 SX-LX70SW...
Page 68: Packing (As-Lx70)
9.2 PACKING (AS-LX70) Refer to “9.6 REMOTE CONTROL”. (x 2) SX-LX70SW...
Page 69 Display Cable ADE7124 • • • • • • • • • • NSP 18 Polyethylen Bag AHG7117 NSP 19 Warranty Card ARY7007 • • • • • Accesssory Pad AHB7147 Packing Case P3 AHD8563 Operating Instructions ARE7639 (English/French) SX-LX70SW...
Page 70: Exterior Section
9.3 EXTERIOR SECTION Refer to “9.4 RECEIVER UNIT”. SX-LX70SW...
Page 71 NSP 28 Model Label SAN3976 NSP 29 Label SAK1036 NSP 30 License Label SAK1037 NSP 31 Energy Star Label AAX8022 Packing F SEC2153 Gasket SEC2159 Gasket SEC2160 Gasket SEC2161 NSP 36 Receiver Unit AXX7254 NSP 37 UL Listed Label SAX1434 SX-LX70SW...
Page 72: Receiver Unit
9.4 RECEIVER UNIT Grease GEM1057 Silicon Adhesive GYA1011 SX-LX70SW...
Page 73 AC Inlet Plate ANG7595 Heat Sink ANH7195 Spring Plate ABK7065 HDMI Shield P3 ANG7594 Rubber Packing AEB7392 Side Packing AEB7393 NSP 26 Binder (BK-1) ZCA-BK1 Screw ABA7139 Screw BBZ30P040FCC Screw BBZ30P060FTB Screw BBZ30P080FNI Screw PMZ26P060FTB Screw PMZ30P060FTB Screw PPZ30P080FTB SX-LX70SW...
Page 74: Display Unit
9.5 DISPLAY UNIT SX-LX70SW...
Page 75 Display Case AMF7011 AEB7090 Earth Spring W5.1 ABH7240 NSP 14 Name Label AAL7435 NSP 15 Serial Label DRW2311 Screw BBZ30P040FCC Screw BBZ30P060FTB Screw BPZ26P080FTB Screw CBZ26P050FTB Screw PMZ26P060FTB Screw PPZ30P080FTB NSP 22 PCB Spacer • • • • • SX-LX70SW...
Page 76: Remote Control
9.6 REMOTE CONTROL SX-LX70SW...
Page 77 AZA7443 Battery Cover AZA7444 LCD Cover AZA7445 Keytop-A AZA7446 Keytop-B AZA7447 Rubber Sheet-A AZA7449 Rubber Sheet-B AZA7451 LCD Holder AZA7452 Diffusion Sheet AZA7453 L.G.P AZA7454 Filter AZA7455 Diffusion Sheet AZA7456 Batt.Term-C AZN8032 Batt.Term-D AZN8033 Screw AZB7161 P.W.B. Assy AZW7309 SX-LX70SW...
Page 78: Schematic Diagram
VSF+12 GNDD KEY2 KEY1 RMC_SWR REMOCON VS+12 VS+5HD_2 DIMMER HDMI LED VFLDC+ POW LED R5006 R5017 VFDP IC5001 (1/2) BA4558F-HT VE+5 FINR 100M R5004 R5018 FLCK Q1802 DTC124EUA XFLCS R5010 Q1803 FLDATA 2SC4081(QR) XFLRST GNDD UCOM GNDD VFDP VFLDC- SX-LX70SW...
Page 79 [HDMI] VE+5HD VE+5HD [OPT IN] [DIR] VS+5HD_2 VS+3R3 POWER CONT THERMAL_PROTECT GNDD GNDF Q1102 FL DC- DTC124EUA PWRCONT FL DC+ VFLDC- VFDP Q1103 [FL] THERMAL (2/2) UMF21N PROTECT VFLDC+ GNDD [FL] XSHUTDWN VFDP [FL] Q1701 DTC124EUA Q1702 DTC124EUA STBY SX-LX70SW...
Page 80: Main Assy (2/7)
DAC_DATA (1/2) QTL1013 (1/2) BA4560F ZEROR IMX9 VoutL Vcom VoutR AGND Q4001 (2/2) IC4002 IMX9 C4020 C4016 (2/2) C4012 R4020 C4008 R4012 R4010 STBY 1/16 SR 1/16 BA4560F 1/16 VS+5HD_2 C4014 100p GNDD 2SA1576A(QR) R4014 Q4002 Q4003 2SC4081(QR) R4025 SX-LX70SW...
Page 81 SIRIUS CONNECT R1611 C1614 BA4560F 1.(V+5V) R1620 10/16 2.SIRIUS RESET C1606 R1612 R1604 IC1601 3.SIRIUS TX (2/2) 10/16 4.GNDS4 JA1601 5.SIRIUS R BKP1127 6.SIRIUS RX 7.GNDS7 R1623 8.SIRIUS L R1624 R1625 GNDS7 GNDS4 CONT5V CONT5V 1/7, 3/7, 4/7, 5/7 1-C3,3-D5,4-A5,5-B5 SX-LX70SW...
Page 82: Main Assy (3/7)
PEG117A C5301 0.1/10 M30622MEP-234GP STBY R5308 DSP u-COM C5302 STBY LSINT HREQ R5309 POFF DSP2RST DSP1RST (XMSW) HDMISW (XMDARST) (XLSSN) R5310 37 38 39 43 44 R5311 R5326 STBY R5312 GNDD STBY CONT3V 2/7, 4/7, 5/7, 6/7, 7/7 2-B5,4-A3,5-A3,6-B4,7-A3 SX-LX70SW...
Page 83 (3/4) R5341 IC5303 (1/4) XMUTE TC74VHC125FTS1 STBY HMUTE XSPDIF XHDMI UCOM DSPMUTE XSMUTE MUTE DIRERR XSPDIF HMUTE XHDMI DSPMUTE XDAMUTE XSMUTE IC404 (4/4) DIR MUTE R5342 HDMI MUTE DSP MUTE SYSTEM MUTE CONT5V CONT5V 1-C3,2-D4,4-A5,5-B5 1/7, 2/7, 4/7, 5/7 SX-LX70SW...
Page 84: Main Assy (4/7)
1/8W : RS1/8S***J(3216size) Ratings : Capacity(uF)/Voltage(V) 1/10W : RS1/10S***J(2125size) Rated Voltage : 50V unless 1/16W : RS1/16S***J(1608size) otherwise specified F% : RS1/16SS***F(1005size) SQ : CKSQ**(2125size) (others : RS1/16SS***J(1005size) SR : C*SR**(1608size) CH : CCSSCH(1005size) (others : CKSSYB(1005size)) : CEVW SX-LX70SW...
Page 85 232SW D IC408 232CT (2/4) IC405 V+12 (4/4) IC409 232RX (1/4) TC74VHC125FTS1 HD232TX VS+3R3 (NC) R419 IC408 HD232CT (3/4) 232TX 29XM R420 232SW XM HD232RX 232CT 32XM IC408 (4/4) R421 30XM 232RX CN401 IC409 RKN1048 IC409 IC409 (2/4) (3/4) (4/4) SX-LX70SW...
Page 86: Main Assy (5/7)
BCKI1 R758 SDTO R757 CDTO R714 LRCKI2 R756 R713 LRCKI2 BCKI2 R712 R755 R704 BCKI2 RESET XDARST RBA4CQ470J R711 RESET LRCKI3 MODE0 VS+3R3 LRCKI3 MODE0 BCKI3 MODE1 BCKI3 MODE1 MODE2 MODE2 C704 STBY C754 STBY C705 C755 GNDD GNDD SX-LX70SW...
Page 87 GNDU 12V ON 232SW_HD 232C SW HD232CT 232C CTS HD232RX 232C TX HD232TX 232C RX VS+3R3 GNDU V32L GNDD LRCK IC651 TC74VHC157FTS1 Switch for HDMI DATA HDMI SW GNDD HDMI HOTPLUG VE+5 VS+3R3HD CEC_IN IC802 VS+3R3HD S-1200B33-M5 VOUT GNDD SX-LX70SW...
Page 88: Main Assy (6/7)
Ratings : Capacity(uF)/Voltage(V) 1/10W : RS1/10S***J(2125size) Rated Voltage : 50V unless 1/16W : RS1/16S***J(1608size) otherwise specified F% : RS1/16SS***F(1005size) SQ : CKSQ**(2125size) (*) : RAB4CQ***J SR : C*SR**(1608size) (others : RS1/16SS***J(1005size) CH : CCSSCH(1005size) (others : CKSSYB(1005size)) : CEVW SX-LX70SW...
Page 89 VDDINT R105 STBY C134 C129 0.01 DAI_P17(SCK_O) STBY DAI_P18(LR_I) VDDEXT R106 R116 PAD4 BOOTCFG1 VDDINT PAD5 4.7k R116 BOOTCFG0 R106 R115 BCK2 4.7k R114 LCK1 (DSDR0) R116 PAD6 C113 470p C114 0.1/10 C108 0.1/10 C131 GNDD STBY AUDIO AUDIO SX-LX70SW...
Page 90: Main Assy (7/7)
V1D2 SR : C*SR**(1608size) CH : CCSSCH(1005size) IC904 (others : CKSSYB(1005size)) PQ1LAX95MSPQ : CEVW All Resistors are in k-kohm, M-Mohm or ohm 1/8W : RS1/8S***J(3216size) REGULATOR 1/10W : RS1/10S***J(2125size) 1/16W : RS1/16S***J(1608size) F% : RS1/16SS***F(1005size) (others : RS1/16SS***J(1005size) GNDD SX-LX70SW...
Page 91 VDDIO VDDPD GNDPD OSC2 GNDPP GNDSP R209 4.7k R227 STBY C211 C209 C207 470p 470p STBY C210 C212 C208 0.1/10 0.1/10 0.1/10 R219 4.7k C213 STBY C214 STBY C215 STBY R206 STBY R208 STBY CN201 VKN1411 STBY JTAG only SX-LX70SW...
Page 92: Amp Assy (1/2)
VBGAP VALID R3104 XDARST 1000p/50 /RESET DVSS4 /HP_SEL /BKND_ERR XDAPDN /PDN DVDD2 /MUTE DVSS3 R3122 DVDD1 for control by PC DVSS2 XMUTE VS+3R32 VR_DIG DVSS1 R3105 VE+5 STBY CN3102 R3117 R3118 VE+5 X3101 R3119 ASS7082-A GNDD R3106 (B5B-PH-K-S) UCOM SX-LX70SW...
Page 93 (2/2) 4.7k ACN7151-A R3196 PWM_P_4 BA10358F 2.2k R3193 PWM_M_4 CN3191 4.7k PWM_P_3 PWM_M_3 PWM_P_2 PWM_M_2 B2P-VH IC3191 (1/2) PWM_P_1 BA10358F GNDD PWM_M_1 R3114 VALID 4.7k R3110 VS+3R33 R3109 KN3101 KN3102 JH3101 JH3102 JH3103 VEF1040-A VEF1040-A VEF1040-A GNDD AUDIO GNDD SX-LX70SW...
Page 94: Amp Assy (2/2)
Ratings : Capacity(uF)/Voltage(V) : RAB4CQ***J SQ : CKSQ**(2125size) CH : CCSRCH(1608size) 1/8W : RS1/8S***J(3216size) (others : CKSRYB(1608size)) 1/10W : RS1/10S***J(2125size) : CEVW S : RS1/16S***J(1608size) F% : RS1/16SS(S)****F (others : RS1/16SS***J(1005size)) All Inductors are in uH SX-LX70SW...
Page 95 G V D D _ C 0 . 0 3 3 u / 5 0 G V D D _ D 4 7 k T A S 5 1 4 2 D K D VG+12G R 3 5 2 9 V+B30 SW1+ STBY GNDD SX-LX70SW...
Page 96: Connection And Earth Assys
( o t h e r s : R S 1 / 1 6 S S * * * J ( 1 0 0 5 s i ze ) ) GNDD K N 8 0 0 1 A E B 7 3 8 4 - A EARTH ASSY (AWU8318) GNDD SX-LX70SW...
Page 97 SX-LX70SW...
Page 98: Hdmi Assy (1/2)
IC1254 GNDDH Data0 Shield R11X0+ TC7MB3257FK V+3RX IC1253 Data0+ BR24L02FV-W C1256 R11X1- 0.1u/10 Data1- Data1 Shield R1260 IC1257 R11X1+ TC7WBD125AFK Data1+ R11X2- R1261 10 Data2- Data2 Shield R1262 10 R11X2+ Data2+ DSCL1 GNDDH Q1252 DTC114YUA GNDDH GNDDH GNDDH GNDDH SX-LX70SW...
Page 99 Clock+ Clock Shield Clock- TXC- ATH7022-A V+5HD DDC/CEC GND Hot Plug Detect IC301 C351 0.1u/10 GNDDH HDMI Transmitter GNDDH HOT_PLUG V+5HD Q351 Q351 (1/2) (2/2) UMB1N UMB1N V+3TX R357 Q353 DSCL DSDA R358 Q352 TXRST DTC114YUA PUSEL GNDDH GNDDH SX-LX70SW...
Page 100: Hdmi Assy (2/2)
V+12SW R524 UAA17 R525 R530 2.2k R531 2.2k GNDDH R589 HDTXD0 HDRTS0 HDRXD0 GNDDH V+5DH V+3R3UC IC503 CN501 V+5DH R571 R541 NM R572 R542 NM 5 2A V+12 C507 6 2Y R543 7 GND R573 R544 NM GNDDH GNDDH SX-LX70SW...
Page 101 HD_DO R2014 H D D O HD_DI R2013 H D D I HD_REQO H D R E Q O HD_REQI H D R E Q I GNDDH R2019 R2023 R2020 R2024 R2021 R2025 R2022 R2026 GNDDH GNDC1 GNDDH GNDC2 SX-LX70SW...
Page 102: Ainb Assy
0 . 0 1 u / 5 0 GNDD R 5 1 1 7 V I R E F V S + 1 2 GNDA GNDD JA5101 GNDD A K P 7 2 0 2 - A i Po d I N GNDD SX-LX70SW...
Page 103 F % : R S 1 / 1 6 S ( S S ) * * * * F ( o t h e r s : R S 1 / 1 6 S S * * * J ( 1 0 0 5 s i ze ) ) SX-LX70SW...
Page 104: Fl, Remocon And Btob Assys
SG16 STBY STBY SG17 C5917 C5922 SG18 SG19 STBY STBY C5923 SG20 GNDLED GNDD STBY 23 24 26 27 STBY AL-TS (47/35) GNDD VFLDC+ VFLDC- 1PIN 62PIN FL SHIELD PLATE HOLDER TAPE V5901 AAV7112 ANK7132- VNF1096- Z12-016 VFLDC+ VFLDC- SX-LX70SW...
Page 105 CEC IN/OUT CEC IN/OUT CEC HOT CEC HOT CEC4 CEC4 CEC3 CEC3 CEC2 CEC2 CEC1 CEC1 GNDU GNDU 12V ON 12V ON 232C SW 232C SW 232C CTS 232C CTS 232C TX 232C TX 232C RX 232C RX GNDU GNDU SX-LX70SW...
Page 106: Power Supply Unit
10.15 POWER SUPPLY UNIT SX-LX70SW...
Page 107 POWER SUPPLY UNIT (AWR7051) SX-LX70SW...
Page 108 SX-LX70SW...
Page 109: Pcb Connection Diagram
Symbol In PCB Symbol In Schematic Part Name Diagrams Diagrams C E B Capacitor Connector Transistor B C E SIDE A Transistor with resistor B C E Field effect SIDE B Chip Part P.C.Board transistor Resistor array 3-terminal regulator SX-LX70SW...
Page 110: Main Assy
R5209 R518 C508 C1608 R5221 C519 R5244 C1607 C518 IC501 IC1601 R5233 Q5453 C1604 R5231 D1602 D502 C1603 R5229 D1601 R1601 R1602 R5227 C1601 C1602 D501 R5226 R508 JA1601 C5452 C5590 C410 R1617 R509 CN5501 D1607 C1619 CN5501 CN401 SX-LX70SW...
Page 111 C5752 R5712 R304 C3015 IC301 R5714 R5715 IC3011 R303 Q5453 D5452 C3013 R5716 R3017 C5703 R5717 D502 C5702 Q5451 D5453 C5709 C310 D5451 L5452 Q5452 C5701 R5457 C309 R508 C5452 C311 L5451 R509 C5451 JA5451 JA5452 JA302 JA303 JA301 SX-LX70SW...
Page 112 R4009 R4007 7.+9V R4006 R4003 8.TXR R4002 9.VSM R4001 D3012 R3020 10.RDS C3028 IC4001 11.GND C3027 R3019 D3011 C312 R319 Q3012 R3016 R326 R3015 R365 L351 R302 R301 Q3011 JA301 JA302 JA303 JA5451 JA5452 JA301 JA303 JA302 JA5452 JA545 SX-LX70SW...
Page 113 C512 R4009 R4010 C515 R513 R531 R530 D3012 R3020 R541 R5241 Q504 Q503 R1621 R1622 R3019 R1619 R1620 C1612 C1610 Q3012 R1616 R1615 R535 R536 R534 R3016 R3015 R523 Q3011 R1625 CN501 JA1601 JA5452 JA5451 A5452 JA5451 CN401 CN5501 SX-LX70SW...
Page 114: Amp Assy
Q3601 R3626 R3616 R3118 R3612 R3630 R3628 R3622 C3609 D3602 R3627 R3119 R3632 R3625 Q3603 CN3191 C3607 C3613 Q3602 C3601 C3622 R3605 C3102 C3612 C3611 D3603 R3611 C3620 R3101 C3619 D3606 C3624 C3616 D3604 R3603 C3615 Q3605 R3621 JH3103 SX-LX70SW...
Page 115 R3222 R3322 D3607 R3114 C3117 C3205 C3305 C3306 C3206 R3110 C3118 C3116 R3117 R3115 JH3102 R3118 R3151 R3119 R3116 R3121 CN3101 R3112 C3111 R3152 C3102 C3108 C3122 R3101 R3104 C3109 C3104 C3121 R3105 KN3101 C3107 R3103 JH3103 CN3011 (ANP7618-B) SX-LX70SW...
Page 116 SIDE B AMP ASSY JA3001 JA3201 C3333 C3334 C3234 C3233 C3235 C3335 C3236 SX-LX70SW...
Page 117 SIDE B 3201 JA3501 C3433 C3334 C3434 C3533 C3534 C3436 C3335 C3336 C3435 C3535 C3536 (ANP7618-B) SX-LX70SW...
Page 118: Connection Assy
11.3 CONNECTION ASSY SIDE A SIDE B CONNECTION ASSY JA3801 JA5051 JA5051 D5059 D5056 JA5051 C5059 C5056 D5061 D5054 C5061 C5054 D5063 D5052 C5063 C5052 D5065 D5051 C5065 C5051 CN5052 (ANP7618-B) (ANP7618-B) JA5052 JA5052 CN5001 SX-LX70SW...
Page 119: Earth Assys
11.4 EARTH ASSYS SIDE A SIDE B EARTH ASSY KN8001 (ANP7618-B) (ANP7618-B) SX-LX70SW...
Page 120: Hdmi Assy
R1084 C206 L202 Q1007 Q1007 R1085 R1086 R1087 R1088 D1002 C1008 Q1001 R1005 R1003 C1005 IC1001 IC1001 R1010 R1009 C1006 R2013 Q1003 L1001 R2014 IC501 Q1003 R2015 L2016 L2017 Q1004 Q1005 Q1004 Q1005 CN1001 D501 Q591 CN5151 CN1002 CN5152 SX-LX70SW...
Page 121 C136 C137 C138 C139 R134 R135 R136 R130 R131 R132 C592 R599 R535 R540 D1002 R584 R538 R585 R537 C591 R508 R561 R562 C599 Q1005 R564 R565 R589 R588 R530 R524 R531 R525 Q591 R593 R594 R2025 R2026 (ANP7622-A) SX-LX70SW...
Page 122 C131 R125 R126 R127 R128 R129 IC205 IC203 R572 R571 IC201 R586 IC1002 R503 R502 R504 R505 R519 R506 IC502 IC502 R520 IC1003 R509 R512 R510 R517 R516 R511 R567 R513 R514 R518 R587 R523 C508 IC505 IC505 IC506 SX-LX70SW...
Page 123 R138 R120 Q1052 R1055 R117 R121 R1054 Q1051 R124 C131 R125 R126 R127 R128 R1071 R129 R214 C207 Q201 R209 R211 L207 R201 IC201 R215 R216 R218 R205 R202 R206 IC1002 C1009 R1007 IC1003 C508 IC505 IC506 C509 (ANP7622-A) SX-LX70SW...
Page 124: Btob Assy
11.6 BTOB ASSY SIDE A SIDE B BTOB ASSY CN1001 CN1002 CN5151 CN5152 OPENSIDE OPENSIDE CN5152 CN5151 production code [[ G ]] BTOB ASS'Y AWX8951 BTOB ASS'Y AWX8951 CN5153 CN5154 (ANP7627-A) (ANP7627-A) CN5153 CN5154 CN801 CN802 SX-LX70SW...
Page 125: Ainb Assy
R3709 R3707 L3701 JA3701 D3816 D3815 R3817 L3703 R3711 R3712 C5120 R3710 R3708 L3702 C3711 C3832 C3702 JH3801 IC3801 IC3802 D3806 D3804 D3805 D3803 D3802 D3808 D3801 D3807 C3802 C3804 C3801 C3803 C3806 C3805 CN3802 JA3801 CN5901 CN5051 (ANP7628-B) SX-LX70SW...
Page 126 SIDE B SIDE B AINB ASSY C3827 R5132 R5131 D5102 SX-LX70SW...
Page 127: Fl Assy
W109 VS+3FL W119 VFDP C5906 C5925 W111 CN5902 VS+3FL XFLRST FLDATA XFLCS FLCK VFDP VE+5 POWLED HDMILED DIMMER CN5902 CN5901 VS+12 REMOCON KEY1 KEY2 GNDD GNDLED CN5981 CN3802 W115 GNDLED (ANP7619-A) REMOCON ASSY CN5902 CN5981 AWU8302 REMOCON ASS'Y (ANP7619-A) SX-LX70SW...
Page 128 SIDE B SIDE B FL ASSY (ANP7619-A) REMOCON ASSY CN5981 AWU8032 (ANP7619-A) SX-LX70SW...
Page 129: Power Supply Unit
11.9 POWER SUPPLY UNIT SIDE A SIDE A POWER SUPPLY ASSY CN1001 CN3191 SX-LX70SW...
Page 130 SIDE B SIDE B POWER SUPPLY ASSY SX-LX70SW...
Page 131: Pcb Parts List
Q 3011 (B,93,29) DIGITAL TRANSISTOR DTC124EUA IC 407 (B,22,88) IC TC74LCX541FTS1 Q 3012 (B,93,33) DIGITAL TRANSISTOR DTC124EUA IC 408 (B,30,122) IC TC74VHCT125AFTS1 IC 409 (B,22,122) IC TC74VHC125FTS1 Q 4001 (B,116,69) TRANSISTOR IMX9 IC 501 (A,66,34) XM/DT IC F2621E-01 Q 4002 (B,106,69) TRANSISTOR 2SA1576A SX-LX70SW...
Page 132 RS1/16SS472J L 502 (A,59,61) INDUCTOR CTH1262 R 129 (A,102,78) RS1/16SS472J L 551 (A,85,94) CHIP SOLID INDUCTOR QTL1013 R 132 (A,100,78) RS1/16SS101J L 651 (A,81,137) CHIP SOLID INDUCTOR QTL1013 R 134 (A,99,78) RS1/16SS101J L 701 (A,137,131) CHIP SOLID INDUCTOR QTL1013 SX-LX70SW...
Page 133 RS1/16SS103J R 320 (A,116,39) RS1/16S0R0J R 542 (B,59,50) CHIP RESISTOR RS1/16SS1201F R 321 (A,122,45) RESISTOR ARRAY RAB4CQ101J R 551 (A,86,77) RS1/16SS105J R 324 (B,123,45) RS1/16SS103J R 552 (A,84,77) RS1/16SS102J R 325 (B,125,36) CHIP RESISTOR RS1/16SS1802F R 554 (A,89,79) RS1/16SS220J SX-LX70SW...
Page 134 RS1/16SS103J R 4028 (B,143,78) RS1/16SS473J R 1616 (B,51,34) RS1/16SS103J R 4029 (B,144,78) RS1/16SS473J R 1617 (A,62,23) RS1/16SS104J R 4030 (B,117,57) RS1/16SS0R0J R 1619 (B,43,41) RS1/16SS223J R 5001 (A,32,107) RS1/16SS0R0J R 1620 (B,49,39) RS1/16SS223J R 5003 (A,35,87) CHIP RESISTOR RS1/16SS1001F SX-LX70SW...
Page 135 R 5303 (A,76,136) RESISTOR ARRAY RAB4CQ221J R 5527 (A,79,99) RS1/16SS103J R 5304 (B,72,137) RS1/16SS101J R 5531 (B,67,102) RS1/16SS221J R 5305 (B,70,132) RS1/16SS101J R 5532 (B,70,108) RS1/16SS472J R 5306 (A,71,137) RS1/16SS101J R 5533 (B,66,102) RS1/16SS221J R 5307 (B,71,137) RS1/16SS473J R 5534 (B,67,105) RS1/16SS221J SX-LX70SW...
Page 136 C 217 (A,110,107) CKSSYB104K10 R 5717 (A,134,60) RS1/16SS0R0J C 218 (A,111,108) CKSSYB471K50 R 5718 (A,143,53) RS1/16SS0R0J R 5751 (A,135,43) RS1/16SS473J C 219 (A,112,108) CKSSYB104K10 C 220 (B,102,111) CKSSYB103K16 R 5752 (A,135,39) RS1/16SS473J C 221 (A,108,115) CKSSYB471K50 R 5801 (A,162,133) RS1/16SS223J SX-LX70SW...
Page 137 CKSSYB104K10 C 4022 (B,120,69) CKSRYB104K16 C 755 (B,127,114) CKSSYB104K10 C 4023 (B,154,73) CKSSYB103K16 C 757 (B,128,127) CKSSYB104K10 C 5001 (A,25,77) CHIP ELECT.CAPACITOR CEVW470M16 C 758 (B,124,115) CKSSYB104K10 C 5002 (A,33,76) CKSSYB103K16 C 801 (B,58,140) CKSSYB104K10 C 5201 (A,27,54) CKSSYB104K10 SX-LX70SW...
Page 138 L 3203,3204,3303,3304INDUCTOR ATH7021 C 3429,3519,3529 CKSRYB472K50 L 3403,3404,3503,3504INDUCTOR ATH7021 C 3431,3432,3531,3532 ACE7069 JA 3001 2P PIN JACK BKB1017 C 3437-3440,3445,3446 CKSRYB103K50 JA 3201 SPEAKER TERMINAL 6-P AKE7126 C 3441-3444,3541-3544 CCSRCH331J50 JA 3501 SPEAKER TERMINAL 2-P AKE7127 C 3501-3504,3527,3528 CKSRYB104K16 SX-LX70SW...
Page 139 D 501 1SS355 C 1004 CCSSCH221J50 C 1005 CKSRYB682K50 D 551 RB501V-40 C 1006 DCH1201 D 1102,1151,1152 DAN202U C 1007 BCG1059 MISCELLANEOUS C 1008 CKSRYB122K50 L 101-104,301-305CHIP BEADS ATL7010 C 1010,1012 CKSQYB225K10 L 105,106CHIP SOLID INDUCTOR QTL1013 C 1051,1053 CKSQYB105K25 SX-LX70SW...
Page 140 CKSRYB105K16 C 5907 (B,143,74) CCSRCH221J50 C 5908 (B,141,74) CCSRCH221J50 C 5909 (B,136,79) CCSRCH221J50 C 5910 (B,150,66) CKSRYB105K16 C 5911 (B,136,83) CKSRYB224K16 FL ASSY MISCELLANEOUS C 5912 (B,125,74) CCSRCH390J50 IC 5901 (B,124,54) FL DRIVER IC PT6302LQ-003 C 5913 (B,122,73) CKSRYB223K50 SX-LX70SW...
Page 141 MISCELLANEOUS IC 5981 (A,18,25) REMOTE RECEIVER UNIT RPM7140-H5 CN 5981 (A,23,21) 5P SOCKET XKP3073 CAPACITORS C 5981 (B,12,19) CKSRYB223K50 POWER SUPPLY UNIT POWER SUPPLY UNIT has no service part. FM/AM TUNER UNIT FM/AM TUNER UNIT has no service part. SX-LX70SW...

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