Sony MDS-NT1 manual

SERVICE MANUAL MINIDISC DECK AEP Model UK Model E Model SPECIFICA TIONS MDS-NT1 US and foreign patents licensed from Dolby Laboratories Licensing Corporation. • Do not connect the supplied AC power adaptor to a switched AC outlet (e.g., on an amplifier). • Use only the supplied AC power adaptor. Do not use any other AC power adaptor. Polarity o[...]

2 MDS-NT1 SELF-DIA GNOSIS FUNCTION The self-diagnosis function consists of error codes for customers which are displayed automaticall y when errors occur, and error codes which show the err or history in the test mode during servicing. For details on ho w to view error codes for the customer , refer to the follo wing box in the instruction manual. [...]

3 MDS-NT1 ITEMS OF ERROR HIST OR Y MODE ITEMS AND CONTENTS Selecting the T est Mode Displa y Details of Histor y op rec tm Cumulativ e recording time is displayed. When cumulati ve recording time is ov er 1 minute, the hour and minute are displayed as they are. When it is under 1 minute, “ Under 1 min ” is displayed. The displayed time shows ho[...]

4 MDS-NT1 Error Code Details of Error 10 Loading failed 12 Loading switch combination is illegal 20 Head of PT OC could not be read within the specified time 21 Head of PTOC could be read b ut its content is erroneous 22 Access to UTOC could not be made within the specified time 23 UTOC could be not read within the specif ied 3time 24 Content of UT[...]

5 MDS-NT1 SELF-DIA GNOSIS FUNCTION ........................... 2 1. SER VICING NOTES ............................................... 7 2. GENERAL ................................................................... 12 3. DISASSEMBL Y 3-1. Disassembly Flow ........................................................... 13 3-2. Case (Upper) ..............[...]

6 MDS-NT1 CA UTION Use of controls or adjustments or performance of procedures other than those specif ied herein may result in hazardous ra- diation exposure. Notes on chip component replacement • Nev er reuse a disconnected chip component. • Notice that the minus side of a tantalum capacitor may be dam- aged by heat. Flexible Cir cuit Board R[...]

7 MDS-NT1 SECTION 1 SER VICING NO TES The laser diode in the optical pick-up block may suf fer electro- static break-do wn because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body . During repair , pay attention to electrostatic break-down and also use the procedure in the printed matter w[...]

8 MDS-NT1 I+3V Iop GND TE FE VC RF I+3V Iop GND TE FE VC RF 1 7 for MDM-7S2 B I+3V CN105 Iop TE VC GND FE RF JIG FOR CHECKING BD BO ARD W A VEFORM The special jig (J-2501-149-A) is useful for checking the wa vefor m of the BD board. The names of terminals and the checking items to be performed are shown as follo ws. GND : Ground I+3V : F or measuri[...]

9 MDS-NT1 Iop DA T A RECORDING AND DISPLA Y WHEN OPTICAL PICK-UP AND NON-V OLA TILE MEMOR Y (IC195 OF BD BO ARD) ARE REPLACED The Iop v alue labeled on the optical pick-up can be recorded in the non-volatile memory . By recording the v alue, it will eliminate the need to look at the value on the optical pick-up label. When replacing the optical pic[...]

10 MDS-NT1 CHECKS PRIOR T O PARTS REPLA CEMENT AND ADJUSTMENTS IN MD Before performing repairs, perform the follo wing checks to determine the faulty locations up to a certain e xtent. Details of the procedures are described in “ 5. Electrical Adjustments ” . Note: This set uses optical pick-up KMS-262E in the production, but for the re pair, o[...]

11 MDS-NT1 SER VICE MODE Microcomputer V ersion Display Procedur e: 1. Press the [ ] b utton and [ ] button until the NetMD indicator turns of f (for more than 3 seconds). (During this step, the USB cable must be disconnected) 2. Connect the set to the PC with the attached USB cable. 3. Start up the software for test mode. 4. Click the [TEST MODE] [...]

12 MDS-NT1 SECTION 2 GENERAL This section is e xtracted from instruction manual. This chapter tells you about the location and function of the various buttons, controls on the MD deck. 13 2 5 4 6 1 N / > button Press while the unit is stopped to start playback. Press while the unit is playing to locate the beginning of the next track. 2 MD inser[...]

13 MDS-NT1 SECTION 3 DISASSEMBL Y • This set can be disassembled in the order shown belo w . 3-1. DISASSEMBL Y FLO W Note: The process described in can be performed in any order. Note: Without completing the process described in , the next process can not be performed. 3-3. MAIN BOARD (P age 15) 3-6. BD (MD) BOARD (P age 16) 3-7. HOLDER ASSY (P a[...]

14 MDS-NT1 1 three screws (BVTP3 × 10) 1 three screws (BVTP3 × 10) 2 case (upper) wire (flat type) (7core) lead wire OK NG lead wire chassis lead wire chassis wire (flat type) (7 core) Note 1: Fold down the flat type wire (7 core) in the direction of the arrow at the first setout, then install the upper case. Note 2: Check that the lead wire is c[...]

15 MDS-NT1 3-3. MAIN BOARD 4 MAIN board 3 screw (BVTP3 × 8) 3 screw (BVTP3 × 8) 1 wire (flat type) (7 core) (CN104) 1 wire (flat type) (23 core) (CN102) 1 wire (flat type) (27 core) (CN101) 2 screw (BVTT3 × 8) 3 MD mechanism deck (MDM-7S2B) 2 four screws (BVTTWH M3) 1 wire (flat type) (23 core) (CN102) 1 wire (flat type) (27 core ) (CN101) 3-4. [...]

16 MDS-NT1 3-5. FRONT P ANEL SECTION 3-6. BD BO ARD, O VER WRITE HEAD (HR901) 6 2 screw (P1.7 × 6) 3 ov er write head (HR901) Note: By means of removing 1 connector (CN104), BD board can be remov ed without removing the ov er write head (HR901). Note: The ov er write head (HR901) should be handled with care as it is damaged easily . 4 Remov e four[...]

17 MDS-NT1 3-7. HOLDER ASSY 3-8. LOADING MO T OR ASSY (M103) 3 5 6 holder assy 4 boss 1 tension spring (holder) 4 boss 2 claw 2 two screws (PWH1.7 × 2.5) 1 belt (loading) 3 loading motor assy (M103)[...]

18 MDS-NT1 3-9. SLED MOT OR ASSY (M102) 3-10. OPTICAL PICK-UP (KMS-262E) 3 A 4 slider (EJ) 6 slider 2 guide (L) 1 two screws (B2 × 6) 7 lev er (CHG) 5 With holding the claw , slide the slider fully in the direction of arrow A . 8 lev er (head) 9 two screws (PWH1.7 × 2.5) 0 sled motor assy (M102) 8 1 flexib le board 0 SL base 9 screw (P1.7 × 6) q[...]

19 MDS-NT1 3-11. SPINDLE MO T OR ASSY (M101) 2 spindle motor assy (M101) 1 three screws (M1.7)[...]

20 MDS-NT1 Note 1: T he test mode and recording of this set are controlled by a personal computer, thus requiring the set to be connected to the PC . Prepare the personal computer in which necessary software is already installed. • Attached software “ OpenMG Jukebox ” (necessary for recording (check in, check out)) (Part No. : 4-237-880-01) ?[...]

21 MDS-NT1 4-5. SELECTING THE TEST MODE There are 26 types of test modes as shown belo w . The groups can be switched by clicking the [JOG UP] or [JOG DOWN] . After selecting the group to be used, click the [ENTER/YES] . After setting a certain group, click the [JOG UP] or [JOG DOWN] switches between these modes. Refer to “ Group ” in the table[...]

22 MDS-NT1 4-5-1. Operating the Continuous Playbac k Mode 1. Entering the continuous playback mode (1) Set the disc in the unit. (Whiche ver recordable discs or discs for playback only are av ailable) (2) Click the [JOG UP] or [JOG DOWN] and display “ CPLA Y2MODE ” (C36). (3) Click the [ENTER/YES] to change the display to “ CPLA Y2MID ” . ([...]

23 MDS-NT1 4-6. AUT OMA TIC SELF-DIA GNOSIS FUNCTION This test mode performs CREC and CPLA Y automatically for mainly checking the characteristics of the optical pick-up. T o perf orm this test mode, the laser power must first be c hec ked. Perform A UTO CHECK after the laser po wer check and Iop check. Procedur e: 1. Click the [ENTER/YES] . If “[...]

24 MDS-NT1 SECTION 5 ELECTRICAL ADJUSTMENTS Other faults are suspected. Check the mechanism (sled motor , etc). Star t NG NG NG OK OK OK Laser P ower Check 5-7-2. (See page 28) 5-7-3. (See page 28) 5-7-4. (See page 29) Iop Compare Auto Chec k Replace optical pick-up or MDM-7S2B Note 1: The test mode and recording of this set are controlled by a per[...]

25 MDS-NT1 5-7-4. Auto Check (See page 29) Star t NO NO NO NO NO NO NO YES YES YES YES YES YES YES Replace OP or IC195 * Replace IC101, IC195 * , or D101 5-12. Iop NV SA VE (See page 32) Replace OP , IC933, or IC195 * Replace OP , IC701, IC933, or IC195 * Replace OP , IC101, IC201, or IC195 * Replace OP Replace the spindle motor End adjustments •[...]

26 MDS-NT1 5-2. PRECA UTIONS FOR CHECKING LASER DIODE EMISSION T o c heck the emission of the laser diode during adjustments, ne ver vie w directly from the top as this may lose your eye-sight. 5-3. PRECA UTIONS FOR USE OF OPTICAL PICK- UP (KMS-262A/262E) As the laser diode in the optical pick-up is easily damaged by static electricity , solder the[...]

27 MDS-NT1 7. Initial setting of adjustment value 8. Recording of Iop information 9 . T emperature compensation offset adjustment 10. Laser po wer adjustment 11. Iop NV Sa ve 12. T raverse adjustment 13. Focus bias adjustment 16. Auto gain adjustment 6-4. A UTO CHECK * The IC195 cannot be replaced with a new part. For detail refer to “ Notes on R[...]

28 MDS-NT1 5-7. CHECKS PRIOR TO REP AIRS These checks are performed before replacing parts according to “ approximate specif ications ” to determine the faulty locations. For details, refer to “ Checks Prior to Parts Replacement and Adjust- ments ” (see page 10). 5-7-1. T emperature Compensation Offset Check When performing adjustments, set[...]

29 MDS-NT1 5-7-4. Auto Chec k This test mode performs CREC and CPLA Y automatically for mainly checking the characteristics of the optical pick-up. T o perform this test mode, the laser po wer must first be checked. Perform Auto Check after the laser po wer check and Iop compare. Procedur e: 1. Click the [ENTER/YES] . If “ LDPWR ” is displayed,[...]

30 MDS-NT1 9. Click the [ENTER/YES] to display “ EFB = MO-P ” . Then, the optical pick-up mov es to the pit area automatically and servo is imposed. 10. Observe the wa veform of the oscilloscope, and check that the specified v alue is satisfied. Do not click the [JOG UP] o r [JOG DOWN] . T r av erse Wav eform 11. Click the [ENTER/YES] to displa[...]

31 MDS-NT1 5-8. INITIAL SETTING OF ADJUSTMENT V ALUE Note: Mode which sets the adjustment results recorded in the non-volatile memory to the initial setting value. Ho we ver the results of the tempera- ture compensation offset adjustment will not change to the initial setting value. If initial setting is performed, perform all adjustments again exc[...]

32 MDS-NT1 6. Click the [JOG UP] or [JOG DOWN] so that the reading of the laser power meter becomes specif ied value , click the [ENTER/YES] to save it. Specif ied V alue: Laser po wer meter reading: 8.2 to 8.6 mW (KMS-262A) 8.5 to 8.8 mW (KMS-262E) Note: Do not perform the emission with 8.4 mW more than 15 seconds continuously . 7 . Then, click th[...]

33 MDS-NT1 8. Click the [JOG UP] or [JOG DOWN] so that the wav eform of the oscilloscope becomes the specified v alue. (When the [JOG UP] or [JOG DOWN] is clicked, the of “ EFB= ” changes and the wav ef orm changes.) In this ad- justment, wav eform v aries at intervals of approx. 2%. Adjust the wav eform so that the specified value is satisf ie[...]

34 MDS-NT1 5-15. ERR OR RA TE CHECK 5-15-1. CD Error Rate Check Checking Procedur e: 1. Load the check disc (MD) TD YS-1. 2. Click the [JOG UP] or [JOG DOWN] to display “ CPLA Y2 MODE ” (C36). 3. Click the [ENTER/YES] twice and display “ CPLA Y2MID ” . 4. The display changes to “ C = AD = ” . 5. Check that the C1 error rate is below 20.[...]

35 35 MDS-NT1 Adjustment and Checking Loacation: – BD BO ARD (Component Side) – – BD BO ARD (Conductor Side) – D101 CN101 IC101 IC201 IC933 CN105 1 1. I+3V 2. Iop 3. GND 4. TE 5. FE 6. VC 7. RF 7 Note: It is useful to use the jig for checking the wav eform. (Refer to Ser - vicing Notes on page 8)[...]

36 36 MDS-NT1 SECTION 6 DIA GRAMS 6-1. BLOCK DIA GRAM – SER V O Section – F C B D A E I J J I B A C D E F DETECTOR J I A B C D E F LD PD LASER DIODE ILCC PD OPTICAL PICK-UP BLOCK (KMS-262E) AUTOMATIC POWER CONTROL Q202, 203 APC PD APCREF AT AMP B.P.F. WBL ADFM ADIN ADFG ABCD AMP ABCD FE TE SE F0CNT WBL 3T EQ COMMAND SWDT SCLK XLAT RFO RF AGC &a[...]

37 37 MDS-NT1 6-2. BLOCK DIA GRAM – MAIN Section – 11 10 7 3 2 4 8 7 6 5 39 40 42 35 1 NET MD SECURITY, DIGITAL SIGNAL PROCESSOR, USB INTERFACE IC901 USB CN4 A B C 5 12 11 10 9 CN200 57 56 51 53 52 3 73 74 5 3 4 38 84 82 81 93 37 76 75 77 58 47 46 5 3 7 1 2 X550 12MHz 13 11 X301 10MHz 36 17 MUTING Q170, 270 HEADPHONE MUTING Q451 MUTING CONTROL [...]

38 38 MDS-NT1 6-3. NOTE FOR PRINTED WIRING BO ARDS AND SCHEMA TIC DIA GRAMS Note on Schematic Diagram: • All capacitors are in µ F unless otherwise noted. pF: µµ F 50 WV or less are not indicated except f or electrolytics and tantalums. • All resistors are in Ω and 1 / 4 W or less unless otherwise specified. • f : inter nal component. ?[...]

39 39 MDS-NT1 6-4. PRINTED WIRING BO ARD – BD Board – (SLED) M – + IC101 IC701 IC201 IC401 IC152 IC181 BD BOARD (COMPONENT SIDE) BD BOARD (CONDUCTOR SIDE) (REC) (PLAY) (OUT) (LIMIT IN) E E 2B 1B 2C 1C OPTICAL PICK-UP BLOCK (KMS-262E) FLEXIBLE BOARD 1-683-807- 12 (12) 1-683-807- 12 (12) HR901 OVER WRITE HEAD (LOADING) M – + M M101 (SPINDLE) [...]

40 40 MDS-NT1 6-5. SCHEMA TIC DIA GRAM – BD Board (1/2) –• See page 38 for W aveforms. • See page 48 for IC Block Diagrams. C410 TP616 TP615 TP614 TP613 TP612 TP611 TP609 TP608 TP607 TP606 TP605 TP604 TP603 TP602 TP601 R703 R705 R702 C104 R106 TP204 C107 R110 R108 R104 R107 Q203 Q202 R102 R101 C111 C112 TP209 TP207 C109 TP213 D101 R111 C110[...]

41 41 MDS-NT1 6-6. SCHEMA TIC DIA GRAM – BD Board (2/2) –• See page 38 for Wa veforms. TP160 TP161 TP162 TP165 TP144 C233 TP942 TP941 TP940 TP939 TP938 TP937 TP936 TP934 TP933 TP932 TP930 TP929 TP928 TP926 TP925 TP924 TP923 TP922 TP921 TP917 TP916 TP986 TP911 TP914 TP913 TP912 TP987 TP899 TP999 TP910 TP909 TP908 TP907 TP919 TP920 TP927 TP931 [...]

42 42 MDS-NT1 6-7. PRINTED WIRING BO ARD – MAIN Board (Component Side) – MAIN BOARD (COMPONENT SIDE) 1-682-708- 12 (12) IC400 IC402 IC401 IC901 IC301 IC420 IC503 IC501 IC505 1 4 8 5 IC550 IC451 B B E E C C 1 3 6 4 17 28 A BD BOARD CN102 B BD BOARD CN103 1 3 2 1 1 2 1 7 2 6 13 14 2 3 C PANEL BOARD CN704 1 2 3 4 5 6 7 8 9 10 11 12 A B C D E F G H[...]

43 43 MDS-NT1 6-8. PRINTED WIRING BO ARD – MAIN Board (Conductor Side) – MAIN BOARD (CONDUCTOR SIDE) 1-682-708- 12 (12) IC450 IC440 USB CN4 2 3 4 1 1 2 CN4 (FRONT VIEW) J400 – + DC IN 9V SHORT SOCKET 8 1 1 2 3 (CHASSIS) PHONE LEVEL RV301 ANALOG OUT CN200 PHONES J180 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H I – 1 – 2 Ref. No . Location IC44[...]

44 44 MDS-NT1 6-9. SCHEMA TIC DIA GRAM – MAIN Board (1/2) –• See page 38 for Wa veforms. • See page 48 for IC Block Diagrams. FB1 R10 LF1 FB2 FB3 R320 R321 R329 R323 R324 R325 C320 C319 C313 C314 C315 C310 C312 C311 RB300 C304 R304 R303 Q401 C442 R442 R441 Q440 IC440 C441 R332 C321 C309 C308 R308 C316 RB301 TP300 TP301 TP302 TP303 IC420 TP1[...]

45 45 MDS-NT1 6-10. SCHEMA TIC DIA GRAM – MAIN Board (2/2) – • See page 38 for W aveforms. • See page 48 for IC Block Diagrams. EP550 C177 R178 C277 R281 R181 C282 C182 R280 R180 C456 C451 C452 Q170 R270 R456 R142 R163 R161 R262 R264 C165 R165 C161 R164 R162 C166 R166 R240 R242 C266 IC503 C281 C459 C181 R450 C180 C460 C401 T400 C402 C404 IC[...]

46 46 MDS-NT1 1-682-709- 12 (12) PANEL BOARD (CONDUCTOR SIDE) PANEL BOARD (COMPONENT SIDE) 1-682-709- 12 (12) KA KA C MAIN BOARD CN104 A B C D 1 2 3 4 5 6 K A D731, 751 (REC) (PLAY) N / > x / Z (CHASSIS) Net MD Ref. No . Location D731 A-6 D732 C-4 D751 A-1 Q731 B-5 Q732 B-3 Q751 B-1 • Semiconductor Location 6-11. PRINTED WIRING BO ARD – P AN[...]

47 MDS-NT1 6-12. SCHEMA TIC DIA GRAM – P ANEL Boar d – CN704 R726 R702 R731 C748 R751 R732 D751 D732 TP701 S726 S702 7P 4.7k 2.2k 150 0.1 150 150 SML-010MT-T87 SEL5820A-TP15 KEY0 LED1 LED2 PANEL.GND LED3 KEY1 SYS+3.5V (PLAY) Net MD (CHASSIS) Q732 UN5211-TX LED DRIVE Q751 UN5211-TX LED DRIVE D731 SML-010VT-T87 (REC) Q731 UN5211-TX LED DRIVE (Pag[...]

48 MDS-NT1 • IC Block Diagrams – BD Board – IC101 CXA2523AR – 1 – 2 + – IVR BB + – IVR AA + – IVR CC + – IVR DD + – IVR + – EE EE' EFB TESW PTGR 48 MORFO 47 MORFI 46 RFO 45 OPN 44 OPO 43 ADDC 42 COMPP 41 COMPO 40 AGCI 39 RF AGC 38 RF 37 PEAK 36 BOTM 35 ABCD 34 FE 33 AUX 32 ADFG 31 ADAGC 30 ADIN 29 ADFM 28 SE 27 CSLED 26 T[...]

49 MDS-NT1 IC401 BH6519FS-E2 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 123456789 10 11 12 13 14 15 16 GND VG IN4R IN4F VM4 OUT4F PGND4 OUT4R VM34 OUT3R PGND3 OUT3F VM3 IN3F IN3R PSB CAPA – CAPA+ IN2R IN2F VM2 OUT2F PGND2 OUT2R VM12 OUT1R PGND1 OUT1F VM1 IN1F IN1R V DD CHARGE PUMP. OSC INTERFACE AMP INTERFACE AMP AMP INTERFACE PREDRIVE PREDR[...]

50 MDS-NT1 IC505 CXD9627A-E2 IC451 XC6351A120MR IC440 M54641L REG. CONTROL INPUT AMP INPUT AMP POWER AMP POWER AMP 1 VCC 2 OUT2 3 IN1 4 GND 5 REFERENCE 6 IN2 7 OUT1 8 VCC 1 2 OSCILLATOR CHIP ENABLE BUFFER 5 6 P1 N3 N4 N2 4 3 GND CCE/ C1+ VIN C1 – VOUT IC503 BH3541F-E2 8 7 1 2 6 5 3 + 0dB + 0dB BIAS MUTE 4 180k 180k ROUT MUTE RIN VEE VCC LOUT BIAS[...]

51 MDS-NT1 6-13. IC PIN FUNCTION DESCRIPTION • BD BOARD IC101 CXA2523AR (RF AMP, FOCUS/TRACKING ERROR AMP) Pin No. Pin Name I/O Description 1I I I-V converted RF signal I input from the optical pick-up block detector 2J I I-V converted RF signal J input from the optical pick-up block detector 3V C O Middle point voltage (+1.65V) generation output[...]

52 MDS-NT1 • BD BOARD IC201 CXD2664R Pin No. Pin Name I/O Description 1 MNT0 (FOK) O Focus OK signal output terminal “ H ” is output when focus is on ( “ L ” : NG) Not used 2 MNT1 (SHCK) O Track jump detection signal output to the system controller 3 MNT2 (XBUSY) O Busy monitor signal output to the system controller 4 MNT3 (SLOC) O Spindl[...]

53 MDS-NT1 Pin No. Pin Name I/O Description 41 A11 O Address signal output to the external D-RAM Not used 42 to 45 D0 to D3 I/O Two-way data bus with the D-RAM 46 XCAS O Column address strobe signal output to the D-RAM “ L ” active 47 XRAS O Row address strobe signal output to the D-RAM “ L ” active 48 to 56 A00 to A02, A05 to A10 O Address[...]

54 MDS-NT1 Pin No. Pin Name I/O Description 100 APC O Reference PWM signal output to the RF amplifier for the laser automatic power control 101 LDDR O PWM signal output terminal for laser digital automatic power control Not used 102 TRDR O Tracking servo drive PWM signal ( – ) output 103 TFDR O Tracking servo drive PWM signal (+) output 104 FFDR [...]

55 MDS-NT1 • MAIN BOARD IC301 M30835FJGP-01 (SYSTEM CONTROLLER) Pin No. Pin Name I/O Description 1N C — Not used 2R M C I Remote control signal input terminal Not used 3 NETMD_SO O Serial data output to the USB interface IC 4 NETMD_SI I Serial data input from the USB interface IC 5 NETMD_CLK O Serial data transfer clock output to the USB interf[...]

56 MDS-NT1 Pin No. Pin Name I/O Description 50 PLAY-SW I Detection input from the playback position detect switch “ L ” : active 51 XLATCH O Serial data latch pulse signal output to the mechanism deck section 52 SCL O Serial clock signal output to the EEPROM 53 OUT-SW I Detection signal input from the loading-out detect switch (S103) “ L ” [...]

57 MDS-NT1 • MAIN BOARD IC301 CXD1873R (NET MD SECURITY, DIGITAL SIGNAL PROCESSOR, USB INTERFACE) Pin No. Pin Name I/O Description 1 VDEA0 — Power supply terminal (+3.3V) (for DSP) 2 VSEA0 — Ground terminal (for DSP) 3 PLLSW I PLL function on/off control signal input from the system controller “ L ” : PLL on 4 TEST0 I Test input terminal [...]

58 MDS-NT1 Pin No. Pin Name I/O Description 46 EXTAL I System clock input terminal (12 MHz) 47 XTAL O System clock output terminal (12 MHz) 48 PLLVSS — Ground terminal (for OSC) 49 VDEC0 — Power supply terminal (+3.3V) (for CPU) 50 VSEC0 — Ground terminal (for CPU) 51 CPUCK I Serial data transfer clock input from the system controller 52 CPUS[...]

59 MDS-NT1 7-1. CASE SECTION SECTION 7 EXPLODED VIEWS • Items marked “ * ” are not stocked since the y are seldom required for routine service. Some delay should be anticipated when ordering these items. • The mechanical parts with no reference num- ber in the exploded vie ws are not supplied. • Hardware (# mark) list and accessories and [...]

60 MDS-NT1 7-2. FR ONT P ANEL SECTION 52 51 53 54 not supplied 55 56 56 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 51 X-4954-600-3 PANEL ASSY , FRONT 52 4-236-730-01 BUTTON (A) 53 4-228-630-01 SPRING (LID), TENSION COIL 54 4-230-848-21 LID (MD) 55 A-4727-709-A P ANEL BOARD, COMPLETE (SP) 55 A-4727-707-A P ANEL BOARD, [...]

61 MDS-NT1 7-3. CASE (B) SECTION #4 #4 #5 # 4 #4 105 105 104 101 102 not supplied 103 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 101 A-4727-708-A MAIN BOARD, COMPLETE (SP) 101 A-4727-706-A MAIN BOARD, COMPLETE (AEP , UK) * 102 1-569-972-21 SOCKET , SHORT 2P 103 4-236-736-11 PANEL, BACK 104 4-230-473-11 CASE (B) 105 4-[...]

62 MDS-NT1 7-4. MD MECHANISM DECK SECTION-1 (MDM-7S2B) 304 306 302 301 307 305 320 302 311 319 not supplied 310 314 313 315 316 318 303 317 308 not supplied not supplied MD mechanism deck section-2 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 301 4-996-267-01 BASE (BU-D) 302 4-231-319-01 SCREW (2X6) CZN, +B (P) TRI 30[...]

63 MDS-NT1 7-5. MD MECHANISM DECK SECTION-2 (MDM-7S2B) 359 358 357 355 354 356 360 359 362 352 353 353 351 363 352 353 362 HR901 S102 M101 M103 not supplied not supplied M102 #11 #11 353 361 364 367 365 368 366 A A Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 351 A-4727-982-A BD BOARD, COMPLETE 352 4-231-319-01 SCREW (2[...]

64 MDS-NT1 SECTION 8 ELECTRICAL P AR TS LIST BD Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark NO TE: • Due to standardization, replacements in the parts list may be different from the parts speci- fied in the diagrams or the components used on the set. • -XX and -X mean standardized parts, so they may hav e some diff[...]

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 65 MDS-NT1 BD < CONNECTOR > CN101 1-766-833-21 CONNECTOR, FFC/FPC (ZIF) 21P CN102 1-784-835-21 CONNECTOR, FFC (LIF (NON-ZIF)) 27P CN103 1-784-834-21 CONNECTOR, FFC (LIF (NON-ZIF)) 23P * CN104 1-580-055-21 PIN, CONNECTOR (SMD) 2P CN105 1-784-859-21 CONNECTOR, FFC (LIF (N[...]

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 66 MDS-NT1 BD MAIN R707 1-218-863-11 MET AL CHIP 4.7K 0.5% 1/10W R708 1-218-863-11 MET AL CHIP 4.7K 0.5% 1/10W R709 1-218-855-11 MET AL CHIP 2.2K 0.5% 1/10W R710 1-218-887-11 MET AL CHIP 47K 0.5% 1/10W R711 1-216-833-11 MET AL CHIP 10K 5% 1/10W R712 1-216-809-11 MET AL CHIP 1[...]

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 67 MDS-NT1 MAIN C917 1-164-156-11 CERAMIC CHIP 0.1uF 25V C918 1-162-919-11 CERAMIC CHIP 22PF 5% 50V C920 1-216-864-11 MET AL CHIP 0 5% 1/10W C922 1-164-156-11 CERAMIC CHIP 0.1uF 25V < CONNECTOR/JACK > CN4 1-815-194-11 CONNECTOR, USB (B) (USB) CN101 1-784-384-11 CONNECTO[...]

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 68 MDS-NT1 MAIN P ANEL R314 1-216-833-11 MET AL CHIP 10K 5% 1/10W R320 1-216-833-11 MET AL CHIP 10K 5% 1/10W R321 1-216-833-11 MET AL CHIP 10K 5% 1/10W R323 1-216-833-11 MET AL CHIP 10K 5% 1/10W R324 1-216-833-11 MET AL CHIP 10K 5% 1/10W R325 1-216-833-11 MET AL CHIP 10K 5% 1[...]

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 69 MDS-NT1 M103 A-4672-975-A MOTOR ASSY , LOADING S102 1-771-957-11 SWITCH, PUSH (2 KEY) (REFLECT RA TE DETECT , PROTECT DETECT) ************************************************************ ACCESSORIES ************ 1-469-089-11 FIL TER, CLAMP (FERRITE CORE) (for USB CABLE) 0 [...]

MDS-NT1 REVISION HIST OR Y Clicking the ver sion allows you to jump to the re vised page. Also, clicking the v ersion at the upper right on the re vised page allows you to jump to the ne xt re vised page. V er . Date Description of Revision 1.0 2002.02 Ne w[...]