Instruction/ maintenance manual of the product TL-AT130M LG Electronics
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2 CAUTION BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS” IN THIS MANUAL. ALARM KEY LOCK PA USE / STILL POWER / TIMER MENU REC REC / PB SPEED TRACKING MOVE SEL DOWN UP REV REW F.
T ABLE OF CONTENTS SECTION 1 SUMMAR Y • SPECIFICATIONS ......................................................1-1 • LOCATION OF CUSTOMER CONTROLS .................1-2 • CRITICAL PARTS REPLACING TIME TABLE ...........1-5 • CRITICAL PARTS DESCRIPTION .
SECTION1 SUMMARY SPECIFICA TIONS 1-1 GENERAL Head System Four head helical scan azimuth system Power Source AC 100-240V , 50/60Hz Power Consumption Approx.
SECTION1 SUMMARY LOCA TION OF CUSTOMER CONTROLS 1-2 1 POWER/TIMER BUTTON 2 MENU BUTTON 3 REC (RECORD) BUTTON 4 MOVE BUTTON 5 SEL (SELECT) BUTTON 6 DOWN BUTTON 7 UP BUTTON 8 ALARM INDICA TOR 9 KEY LOCK.
1-3 1 TIME LAPSE VCR TIME INDICATION 2 ALARM INDICATION 3 SERIES INDICATION 4 RECORD INDICATION 5 TIMER INDICATION 6 CASSETTE INDICATION 7 INDEX INDICATION 8 POWER FAILURE INDICATION 9 KEY LOCK INDICA.
1-4 TERMINAL SIGNAL LEVELS SECTION1 SUMMARY LOCA TION OF CUSTOMER CONTROLS INPUT OUTPUT INPUT INPUT OUTPUT OUTPUT OUTPUT OUTPUT INPUT COMMON The input signal that makes ‘Alarm Record’ work Output signal appears when the tape reaches to end or deck is error in recording.
1-5 No. DESCRIPTION 1500 3000 5000 6000 7500 9000 10000 12000 T est freatures Specification 1 DRUM ASSY RF out level -4dB and below 2 ARM ASSY CLEANER Wear status 3 MOTOR CAPSTAN (D-35) W/F(WTD) 0.
2-1 SECTION2 CABINET & MAIN FRAME EXPLODED VIEWS 1. Cabinet and Main Frame Section Cabinet & Main Frame Section Parts list MODEL : TL-AT130M S AL LOCA.
1-1. Cabinet and Main Frame Section 2-2 Cabinet & Main Frame Section Parts list ASSEMBLY PARTS SECTION A42 6871RK5700K Ass'y Front PCB SNILN4T3526 A43 05503805 ASS'Y FRONT CAVINET NTH960 C-TYPE A44 6871R-4462A Ass'y Ant.
2-3 2. Packing & Accessory Section ✒ NOTE NOTE Refer to “REPLACEMENT PARTSLIST” in order to look for the part number of each part. 801 INSTRUCTION ASS’Y 803 : PACKING 804: SHEET ROLL 802: BOX CARTON SECTION2 CABINET & MAIN FRAME EXPLODED VIEWS S AL LOCA.
3-1 SECTION3 ELECTRICAL ELECTRICAL ADJUSTMENT PROCEDURES 1. PG ADJUSTMENT MODE SPECIFICA TION OBJECT MEASURED OBJECT ADJUSTED PLA YBACK IN SP PG : 416 ± 20 sec V .OUT JACK VR501 1. Connect CH-1 of the oscilloscope to W357 and W362, and adjust it to 1Vp-p as TRIGGER.
3-2 SECTION3 ELECTRICAL ELECTRICAL TROUBLESHOOTING GUIDE 1. Power Cir cuit(SMPS) (1) No 5.3 A (2) No 9V Is R101 normal? YES NO NO NO NO YES YES Is there Vcc (about 13~19V) at IC101 pin 5? Is Q170 normal? Is D110 normal? Is Q152 normal? Replace F101(Use a specified fuse).
3-3 (4) No 5.2 A (TO AVCP , BIAS) (5) No 10V Is there voltage (about 0V) at Q157 collector. NO NO YES YES Is Q170 normal?, Is there about 13.5V at Q107 Base? Check/ Replace D155, D156, D157/.
3-4 SECTION3 ELECTRICAL ELECTRICAL TROUBLESHOOTING GUIDE 2. SERVO CIRCUIT (1) Video is unstable in PB mode Does CTL pulse move on tracking? YES NO NO Does Video Envelope wave form appear at IC501 pin 86? YES Replace IC501. NO Is adjusting height of CTL head accurate? Replace IC501.
(3) Capstan motor stops 3-5 SECTION3 ELECTRICAL ELECTRICAL TROUBLESHOOTING GUIDE Check the Ass’y between PMC01 and Capstan motor YES NO Aren’t pattern or componets between IC501 Pin33 and PMC01 Pi.
3-6 SECTION3 ELECTRICAL ELECTRICAL TROUBLESHOOTING GUIDE 3. Y/C CIRCUIT (1) No Video in EE Mode Does the Video signal appear at the IC301 Pin29? NO NO NO Check the IC3G1 Pin14 and Q3G1 emitter. Check the path of the signal between the IC301 Pin29 and IC501 Pin49.
(2) When the Y(Luminance)signal doesn’ t appear on the scr een in PB Mode. 3-7 Clean the Drum. NO NO Is the V.H.S/W "H" about 3.4V to the IC301 Pin11 ? Check the path of the Y(Luminance) RF signal.(Check the Q301) Check the path of the Y(Luminance) RF signal.
3-8 SECTION3 ELECTRICAL ELECTRICAL TROUBLESHOOTING GUIDE (3) When the C(Color) signal doesn't appear on the scr een in PB Mode Check the circuit of the IC301 Pin 35, 62.
3-9 SECTION3 ELECTRICAL ELECTRICAL TROUBLESHOOTING GUIDE 4. AUDIO CIRCUIT (1) No sound in EE Mode Is the Audio signal applied to the IC301 Pin 76? NO NO Check the path of LINE/AUDIO. Check the IC501 Pin 2. (Audio Mute "H".) Check the IC501 Pin18(CLK), 17(Data) Line.
3-10 SECTION3 ELECTRICAL ELECTRICAL TROUBLESHOOTING GUIDE (3) No sound in REC Mode. Is the Audio signal applied to the IC301 Pin 76? NO NO Check the path of Line Audio. Is the “High” signal applied to the IC301 Pin 10? Is 5V applied to the FL401 Pin 2? NO sound in REC Mode.
3-11 SECTION3 ELECTRICAL ELECTRICAL TROUBLESHOOTING GUIDE 5. SYSTEM/KEY CIRCUIT (1) AUTO STOP NO NO Does T/up reel pulse appear at Q514 Base terminal? Auto Stop Does SW waveform appear at IC501 pin23? YES YES Does T/up reel pulse appear at IC501 Pin27? Check Drum motor signal YES Is there 5.
3-12 SECTION3 ELECTRICAL ELECTRICAL TROUBLESHOOTING GUIDE (2) No F .OSD display . (3) No Key display Is there 5.3V IC501 Pin 51? NO NO Replace bad switches Replace X502. No Key display Is there 5.2VA at IC501 Pin79, 80, 81? YES As pressing the byttons doeseach function work properly? YES Check power circuit Check 5.
3-14 3-13 SECTION3 ELECTRICAL BLOCK & CIRCUIT DIAGRAMS 1. OVERALL WIRING DIAGRAM.
3-16 3-15 SECTION3 ELECTRICAL BLOCK & CIRCUIT DIAGRAMS 2. POWER BLOCK DIAGRAM.
3-18 3-17 SECTION3 ELECTRICAL BLOCK & CIRCUIT DIAGRAMS 3. POWER CLRCUIT DIAGRAM.
3-19 SECTION3 ELECTRICAL BLOCK & CIRCUIT DIAGRAMS 4. AUDIO BLOCK DIAGRAM.
3-20 SECTION3 ELECTRICAL BLOCK & CIRCUIT DIAGRAMS 5. Y/C BLOCK DIAGRAM.
3-22 3-21 SECTION3 ELECTRICAL BLOCK & CIRCUIT DIAGRAMS 6. A/V CIRCUIT DIAGRAM.
3-23 SECTION3 ELECTRICAL BLOCK & CIRCUIT DIAGRAMS.
3-25 3-24 SECTION3 ELECTRICAL BLOCK & CIRCUIT DIAGRAMS 7. SYSTEM BLOCK DIAGRAM.
3-26 SECTION3 ELECTRICAL BLOCK & CIRCUIT DIAGRAMS.
3-28 3-27 SECTION3 ELECTRICAL BLOCK & CIRCUIT DIAGRAMS 8. SYSTEM CLRCUIT DIAGRAM.
3-30 3-29 SECTION3 ELECTRICAL BLOCK & CIRCUIT DIAGRAMS 9. JACK CLRCUIT DIAGRAM.
3-32 3-31 SECTION3 ELECTRICAL BLOCK & CIRCUIT DIAGRAMS 10. KEY -BOARD CLRCUIT DIAGRAM.
3-34 3-33 SECTION3 ELECTRICAL PRINTED CIRCUIT DIAGRAMS 1. MAIN P .C.BOARD.
3-35 SECTION3 ELECTRICAL PRINTED CIRCUIT DIAGRAMS PRINTED CIRCUIT BOARD DIAGRAMS 2. KEY 1 P .C.BOARD 3. KEY 2 P .C.BOARD 4. JACK P .C.BOARD.
DECK MECHANISM P ARTS LOCA TIONS • T op View ......................................................4-1 • Bottom View ...............................................4-1 DECK MECHANISM DISASSEMBL Y 1. Drum Assembly ..................................
DECK MECHANISM P ARTS LOCA TIONS 4-1 4 6 3 2 7 9 5 11 18 16 19 17 19 12 13 15 10 1 31 14 8 15 33 • T op View • Bottom View 20 24 23 20 24 22 21 29 30 29 30 25 32 27 26 28 NOTE : When reassembly perform the procedure in the reverse order .
4-2 DECK MECHANISM DISASSEMBL Y (S3) (S2) (S2) (S3) (A) Stator Carbon Brush Drum Motor Rotor Drum Sub Assembly Drum FPC (S1) (S1) (S1) Holder FPC H1 H2 1. Drum Assembly (Fig. A-1-1) 1) Unplug the Drum FPC Connector . 2) Remove three Screws(S1) on bottom side and separate the Drum assembly .
DECK MECHANISM DISASSEMBL Y 4-3 (B) (E) (C1) (C) Plate Top Arm Assembly F/L Spring Lever S/W Gear Assembly Rack F/L Chassis Opener Door Bracket Assembly L/D Motor Holder Assembly CST (B') (C') (D) (E') (H6) (A) (B) Lever Assembly S/W (H8) Fig.
4-4 DECK MECHANISM DISASSEMBL Y 2. Plate T op (Fig. A-2-1) 1) Pull the (B) portion of the Plate T op back in direction of arrow and separate the right side of it. 2) pull the (B’) portion of the Plate T op back in direction of arrow and separate the left side of it.
DECK MECHANISM DISASSEMBL Y 4-5 9. Arm Assembly Cleaner (Fig. A-3-1) 1) Breakaway the (A) portion as Fig. A-3-1 from the embossing of the Chassis, turn the Arm assembly Cleaner to clockwise direction and lift it up.
4-6 DECK MECHANISM DISASSEMBL Y Brake Assembly T Spring TB (H9) Reel T Brake Assembly RS Spring RS Arm Assembly Tension Spring Tension Reel S Base Tension (H11) (H12) Chassis (H10) Fig. A-4 12. Brake Assembly T (Fig. A-4-1) 1) Unhook the Spring TB from the Hook(H9) of the Chassis.
DECK MECHANISM DISASSEMBL Y 4-7 Opener Lid Arm Assembly Pinch Base Assembly P4 Arm T/up Lever T/up (A) (B) (C) (C) (H13) (B) (H13) Chassis Fig. A-5 16. Base Assembly P4 (Fig. A-5-1) 1) Breakaway the (A) portion of the Base Assembly P4 from the embossing of the Chassis.
4-8 DECK MECHANISM DISASSEMBL Y Chassis (S5) Belt Capstan Motor Capstan Washer(W1) Lever F/R Clutch Assembly D35 Brake Assembly Capstan (L1) (L2) (L1) Fig. A-6 20. Belt Capstan (Fig. A-6-1)/ Motor Capstan (Fig. A-6-2) 1) Remove the Belt Capstan. 2) Remove the three Screws(S5) on bottom Chassis and lift the Motor Capstan up.
DECK MECHANISM DISASSEMBL Y 4-9 Gear Drive Washer (W2) Gear Cam Plate Slider Lever Tension Lever spring Base Loading Gear Sector (L3) (H15) (H16) (H14) (A) Chassis Gear Drive Hole(C) Gear Cam Hole(B) Gear Drive Hole(A) Fig. A-7 24. Gear Drive (Fig. A-7-1)/ Gear Cam (Fig.
4-10 DECK MECHANISM DISASSEMBL Y Gear Assembly P3 Gear Assembly P2 Base Assembly P2 Base Assembly P3 (A) (B) Chassis Gear Assembly P2 Hole Gear Sector Hole(A) Plate Slider Hole(B) Lever Spring Boss Gear Assembly P3 Hole Fig. A-8 29. Gear Assembly P2 (Fig.
DECK MECHANISM DISASSEMBL Y 4-1 1 (A) (B) (C) (S7) Arm Assembly Idler Base Loading Base Tension Chassis (D) Fig. A-9 31. Base Loading (Fig. A-9-1) 1) Remove the Screw(S7). 2) Lift the Base Loading up. 32. Base T ension (Fig. A-9-2) 1) Breakaway the (A) portion of the Base T ension from the embossing of the Chassis.
DECK MECHANISM ADJUSTMENT 4-12 • T ools and Fixfures for Service 1. Cassette T orque Meter 1. SRK-VHT -303(Not SVC part) 1. Parts No: D00-D006 4. T orque Gauge Adaptor Parts No:D09-R001 5. Post Height Adjusting Driver Parts No:DTL-0005 6. + T ype Driver ( ø 5) 2.
DECK MECHANISM ADJUSTMENT 4-13 Purpose:T o determine if the Mechanism is in the correct position, when a T ape is ejected. 1. Mechanism Alignment Position Check 1) T urn the Power S/W on and eject the Cassette by press- ing the Eject Button.
4-14 DECK MECHANISM ADJUSTMENT Purpose: T o insure smooth transport of the tape during each mode of operation. If the tape transport is abnormal, then check the torque as indicated by the chart below. 2. Preparation for Adjustment (T o set the Deck Mechanism of the loading state without inserting a cassette tape).
DECK MECHANISM ADJUSTMENT 4-15 4.Guide Roller Height Adjustment Adjustment Procedure 1) Confirm if the tape runs along the tape guide line of the Lower Drum. 2) If the tape runs the bottom of the guide line, turn the Guide Roller Height Adjustment Screw to clockwise direction.
4-16 DECK MECHANISM ADJUSTMENT 5. Audio/Control (A/C) Head Adjustment 10.9 Purpose: T o insure that the tape passes accurately over the Audio and Control T racks in exact alignment of the both Record and Playback Modes.
DECK MECHANISM ADJUSTMENT 4-17 Purpose: T o obtain compatibility with the other VCR(VCP) Models. 5-2. Confirm that the tape passes smoothly between the T ake-up Guide and Pinch Roller(using a mirror or the naked eye).
4-18 DECK MECHANISM ADJUSTMENT Purpose: T o correct for shift in the Roller Guide and X value after replacing the Drum. 8-2. Checking for tape curling or jamming T est Equipment/ Fixture • T -160 T ape • T -120 T ape Specification • Be sure there is no tape jamming or curling at the begining, middle or end of the tape.
MAINTENANCE/INSPECTION PROCEDURE 4-19 (3) F/E Head (5) Drum Assembly (Video Head) (4) Base Assembly P2 (2) T ension Post (1) Supply Reel (6) Base Assembly P3 1. Check before starting repairs The following faults can be remedied by cleaning and oil- ing.
MAINTENANCE/INSPECTION PROCEDURE 4-20 2. Required Maintenance The recording density of a VCR(VCP) is much higher than that of an audio tape recorder . VCR(VCP) components must be very precise, at tolerances of 1/1000mm, to ensure com- patibility with the other VCRs.
MAINTENANCE/INSPECTION PROCEDURE 4-21 5-2) Greasing (1) Greasing guidelines Apply grease, with a cleaning patch. Do not use exces- sive grease. It may come into contact with the tape transport or drive system. Wipe excessive grease and clean with cleaning patch wetted in Isopropyl Alcohol.
MAINTENANCE/INSPECTION PROCEDURE 4-22 Lever , F/R, Base, T ension GEAR A Y , P2 & P3 Lever, F/R Base, Tension Arm T ension Guide Hole Clutch (G-754.
MECHANISM TROUBLESHOOTING GUIDE 4-23 Auto REW doesn't work. Is the output of END sensor of supply side "H"? “ H ” : more than 3.5V “ L ” : less than 0.7V~1V Is the voltage across IR LED between 0.8~1.5V? Replace the IR LED. Is the Vcc.
4-24 MECHANISM TROUBLESHOOTING GUIDE AUTO ST OP . (PLA Y/CUE/REV) Are there T/up and Supply Reel pulses. In Play/Cue/Rev , Is the Pinch Roller in contact with the Capstan Shaft? Replace the Reel Sensor . Is the output of DFG, DPG OK? Check alignment positions (page 4-13).
4-25 MECHANISM TROUBLESHOOTING GUIDE In PB mode T ape Presence not sensed. Is the Pinch Roller attached to the Capstan Motor Shaft? Check Alignment positions (page 4-13). Does the T/Up Reel turn? Replace the Belt. Is the Belt ok? Does the Drum Motor turn? Are there DPG, DFG pulses? Are the T/Up and Supply Reel Sensors ok? Check the Syscon, Circuit.
MECHANISM TROUBLESHOOTING GUIDE 4-26 Cassette cannot be inserted. Does the Lever Assembly Switch work? Is the Lever Assembly Switch Spring damaged or omitted? Does the CST IN Switch work normally? Replace or add the Lever Assembly Switch Spring. Is the Vcc of Main P .
MECHANISM TROUBLESHOOTING GUIDE 4-27 Cassette does not load. Does the cassette insert? Does the Opener Lid work? Check the opener Door assembled correctly . Replace the Opener Lid. Replace the Arm Assembly F/L. Check the power of L/D Motor . Check the Holder Assembly Cassette assembled correctly .
4-28 EXPLODED VIEWS 11 7 103 105 11 7 100 106 107 A21 11 4 11 3 11 2 11 0 11 5 A24 11 6 102 A23 032 A22 109 054 054A 100A 100B 1. Front Loading Mechanism Section.
EXPLODED VIEWS 4-29 401 402 001 008 011 031 079 017 032 024 406 020 021 028 019 018 029 030 026 A03 A04 A01 002 002A 025 027 022 003 004 006 007 010 405 014 015 009 409 013 023 016 405 012 402 OPTIONAL PART 2.
EXPLODED VIEWS 4-30 051 052 517 061 056 058 518 052A 055 060 410 070 069 076 032 077 068 064 066 065 067 A11 078 A12 OPTIONAL PART 3. Moving Mechanism Section(2).
- 5-1 - SECTION 5. REPLACEMENT P ARTS LIST NOTE: Warning Parts that are shaded are critical With respect to risk of fire or electrical shock. MODEL : NTH960N NSP : Not Service Part MECHANICAL SECTIO N RUN DATE : 2004.
- 5-2 - S AL LOCA.NO. PART NO DESCRIPTION SPECIFICATION REMARKS ASSEMBLY SECTION A00 6721R-0771U DECK ASSEMBLY,VIDEO DECK/MECHA D35 LG T/L (4HD(ALL A4 2 6871R K5700K PWB(PCB) ASSEMBLY, C/SKD SNILN4T35.
- 5-3 - MODEL : NTH960 RUN DATE : 2004.0 5 . 0 1 Electrecal section S AL LOCA.NO. PART NO DESCRIPTION SPECIFICATION REMARK BATTERY,LITHIUM RB500 534-059AAAA BATTERY,LITHIUM LR6A-2S/ MATUSHITA - - LITH.
S AL LOCA.NO. PART NO DESCRIPTION SPECIFICATION REMARK C332 0CN1030F678 CAPACITOR TUBULA(HIGH DIELE) 0.01M 16V M Y TA26 C333 0CN1040K948 CAPACITOR,FIXED TUBULAR(HIGH D 0.1UF D 50V 80%,-20% F(Y5V) TA C334 0CN223AK948 CAPACITOR,TUBULAR(HIGH DIELEC) 0.022UF 50V Z F TA26 S C336 0CN1030F678 CAPACITOR TUBULA(HIGH DIELE) 0.
- 5-5 - MODEL : NTH960 RUN DATE : 2004.0 5 . 0 1 S AL LOCA.NO. PART NO DESCRIPTION SPECIFICATION REMARK C503 0CE4774C638 CAPACITOR,FIXED ELECTROLYTIC 470UF SRA,SS 6.3V 20% FM5 TP 5 C505 0CE1074F638 CAPACITOR,ELECTROLYTIC 100U SRA 16V M FM5 TP(5) C507 0CN1030F678 CAPACITOR TUBULA(HIGH DIELE) 0.
- 5-6 - MODEL : NTH960 RUN DATE : 2004.0 5 . 0 1 S AL LOCA.NO. PART NO DESCRIPTION SPECIFICATION REMARK C906 0CN223AK948 CAPACITOR,TUBULAR(HIGH DIELEC) 0.022UF 50V Z F TA26 S C907 0CE4764F638 CAPACITOR,ELECTROLYTIC 47M SRA/SS 16V M FM5 TP(5) C908 0CE1054K638 CAPACITOR,ELECTROLYTIC 1.
- 5-7 - S AL LOCA.NO. PART NO DESCRIPTION SPECIFICATION REMARK D903 0DD133009AA DIODE,SWITCHING 1SS133 DETECT,SW TP D904 0DD133009AA DIODE,SWITCHING 1SS133 DETECT,SW TP D905 0DD133009AA DIODE,SWITCHIN.
- 5-8 - MODEL : NTH960 RUN DATE : 2004.0 5 . 0 1 S AL LOCA.NO. PART NO DESCRIPTION SPECIFICATION REMARK R121 0RD1800F608 RESISTOR,FIXED CARBON FILM 180 OHM 1/6 W 5% TA26 R122 0RD1003F608 RESISTOR,FIXE.
- 5-9 - S AL LOCA.NO. PART NO DESCRIPTION SPECIFICATION REMARK R3G6 0RD1800F608 RESISTOR,FIXED CARBON FILM 180 OHM 1/6 W 5% TA26 R402 0RD2204F608 RESISTOR,FIXED CARBON FILM 2.
- 5-10 - MODEL : NTH960 RUN DATE : 2004.0 5 . 0 1 S AL LOCA.NO. PART NO DESCRIPTION SPECIFICATION REMARK R553 0RD2200F608 RESISTOR,FIXED CARBON FILM 220 OHM 1/6 W 5% TA26 R554 0RD4700F608 RESISTOR,FIX.
- 5-11 - S AL LOCA.NO. PART NO DESCRIPTION SPECIFICATION REMARK R610 0RD2701F608 RESISTOR,FIXED CARBON FILM 2.7K OHM 1/6 W 5% TA26 R611 0RD3901F608 RESISTOR,FIXED CARBON FILM 3.9K OHM 1/6 W 5% TA26 R612 0RD3901F608 RESISTOR,FIXED CARBON FILM 3.9K OHM 1/6 W 5% TA26 R613 0RD6801F608 RESISTOR,FIXED CARBON FILM 6.
- 5-12 - S AL LOCA.NO. PART NO DESCRIPTION SPECIFICATION REMARK VR501 613-032W RESISTOR,DRAWING RH063MCJ5R (220K) VR601 611-024B RESISTOR,DRAWING RK09K113000123B REMOTE CONTROLLER RECEIVER RC 6R 1 671.
- 5-13 - MODEL : NTH960 RUN DATE : 2004.0 5 . 0 1 S AL LOCA.NO. PART NO DESCRIPTION SPECIFICATION REMARK Q501 0TR319809AC TRANSISTOR KTC3198-TP-BL (KTC1815)KEC Q502 0TR319809AA TRANSISTOR,BIPOLARS KTC.
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However, one of the most important roles played by the user manual is to help in solving problems with LG Electronics TL-AT130M. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device LG Electronics TL-AT130M along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
