User manual HHB MDP-500

[. . . ] HHB MDP500 PORTABLE MINIDISC RECORDER SERVICE MANUAL 2 PORTADISC MDP500 MiniDisc Recorder CONTENTS SAFETY INFORMATION This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician. [. . . ] CD (Pre-mastered) Error rate check a) b) c) d) e) Load test disc TDYS-1 Use the AMS buttons to display the CPLAY MODE Press F1 to display CPLAY MID. The display will change to show the C1 error rate. MO Error rate check a) b) c) d) e) Load a continuously recorded disc. Use the AMS buttons to display the CPLAY MODE Press F1 to display CPLAY MID. The display will change to show the C1 and ADER error rates. C1 error rate should be below 50 and ADER below 2. Press F3 to stop. 46 TEST MODE & ALIGNMENT PORTADISC MDP500 MiniDisc Recorder Creating A Continuously Recorded Test Disc A continuously recorded disc should only be created using a well-aligned machine. This disc is required for performing focus and error rate checks and adjustments. Use the AMS buttons to locate the CREC MODE page. The display will show the starting address of '0300' and recording will commence automatically. After 5 minutes, press F3 to stop recording. Press OPEN to eject the disc. 47 48 PORTADISC MDP500 MiniDisc Recorder IC INFORMATION AK4520A 20Bit ADC/DAC 74HC4052 Analogue Multiplexer/Demultiplexer Function Table CONTROL INPUT B A 0 0 1 1 0 1 0 1 COMMON OUTPUTS X Y X0 X1 X2 X3 Y0 Y1 Y2 Y3 IH = Inhibit, When IH is low, outputs are ON. 49 PORTADISC MDP500 MiniDisc Recorder IC INFORMATION 74HC4066 CMOS Quad Bilateral Switch BA3308F ALC NJM2360 50 PORTADISC MDP500 MiniDisc Recorder PARTS LIST Main Frame No. 1/1 1/2 1/3 1/4 1/5 1/6 1/7 1/8 1/9 1/10 1/11 1/12 1/13 1/14 1/15 1/16 1/17 1/18 1/19 1/20 1/21 1/22 1/23 1/24 1/25 1/26 1/27 1/28 1/29 1/30 1/31 1/32 1/33 1/34 1/35 1/36 1/37 1/38 1/39 1/40 1/41 1/42 1/43 Part Name Front Panel (ABS) Battery housing (ABS) Battery Cover (ABS) Connector panel (ABS) Knob, Headphone-Level Knob, Rec-Level[R] Knob, Rec-Level[L] Knob-Rec Keytop-Pause Keytop-Power Keytop-S-(a) light, mark Keytop-S-(b) disp, syst Keytop-S-(c) input, set Keytop-F F1-F3 Keytop-Deck (play etc) Knob-Lock LCD-Display window Cover-Top (ABS) Cover-Top (silicon) Cover-MD slot (ABS) Chassis, complete Cover-Upper Cover-Bottom Bracket-Deck Bracket-Analog sub pcb Bracket-Record VR Bracket-Deck PCB Bracket Lock (1) Bracket Lock (2) Terminal (1) Battery + Terminal (2) Battery Screw mech retaining O Ring P3 - mech Bushing - mech Bracket-Speaker Rubber Foot Screw MD slot - selftap Screw top cover - selftap Screw batt term - selftap Screw front panel PCB -st Screw lock bracket - selftap Screw case top / bott - black Screw XLR panel - black Part Code 40-031-01 43-055-01 43-056-02 44-015-02 51-047-04 51-048-14 51-049-14 51-050-14 51-051-14 51-052-04 51-053-04a 51-053-04b 51-053-04c 51-054-03 51-055-02 51-056-03 55-011-04 58-010-02a 58-010-02b 58-011-13 41-016-11 43-053-02 43-054-22 46-040-13 46-041-03 46-042-04 46-044-03 46-045-04 46-046-04 59-079-03 59-080-04 59-083-04 Dia 2. 5mm C30NG79-1 46-043-04 TM182-816 2 off RH M3x6 8 off RH M3x5 2 off RH M3x5 5 off RH M2. 6x6 4 off CS M2x6 4 off CS M3x6 5 off RH M2. 6x8 No. 1/44 1/45 1/46 1/47 1/48 1/49 1/50 1/51 1/52 1/53 1/54 1/55 1/56 1/57 1/58 1/59 1/60 1/61 1/62 1/63 1/64 1/65 1/66 1/67 1/68 1/69 1/70 1/71 1/72 1/73 1/74 1/75 1/76 1/77 1/78 1/79 1/80 1/81 1/82 1/83 1/84 1/85 1/86 Part Name Screw top / bott rear - black Screw battery case Screw PCB & brackets Screw screen -ext jack Screw front panel Screw LCD PCB AC Adapter 100-230 Volt Rechargeable Battery Battery caddy Soft case & strap Instruction Manual MD Mechanism Electro Capacitor, C0 LCD Module CN5 Conn CN6 socket conn XLR Connector Speaker CPU PCB UNIT complete ANALOG MAIN PCB UNIT ANALOG SUB PCB UNIT FRONT KEY PCB UNIT TOP KEY PCB UNIT EXT DC PCB bare DC INPUT JACK CN102 (2-pin conn) PHONE LEVEL PCB bare Gang VR400 (monitor level) CN402 (6-pin conn) FRONT KEY PCB bare Slide Switch REC SW2 Tact Switch 11 of LED (red) record LED (yellow) pause LED (green) charge Connector TOP KEY PCB bare Tact Switch 9 off CN9 (7-pin conn) Cable CN401-2 phones level Cable CN8-9 CPU - Deck Key Cable CN102-103 Ext DC I/p Cable CN403-speaker Part Code 4 off CS M2. 6x6 4 off RH M3x6 21 off RH M3x4 4 off RH M2. 6x6 4 off CS M2. 6x4 4 off RH M2x6 MDP500ACADA MDP500B MDP500BC MDP500CASE MDP500OPMAN KMK-260AAA ECOS1CP153BB L2462B1J000 AXP416618 AXM116215 XLM-3-31-PCS S36G04K-3 91-113-00 91-114-00 91-115-00 91-116-00 91-117-00 01-129-04 LGP6531-0400 53253-0210 01-128-04 RK097121T 53253-0610 01-126-03 SSST010600 PT-007-C12B TLR-226 TLY-226 TLG-226 52806-1610 01-127-04 PT-007-C12B 53253-0710 08-044-04 08-046-04 08-047-04 08-048-04 51 PORTADISC MDP500 MiniDisc Recorder PARTS LIST Main Frame (continued) No. 1/87 1/88 1/89 1/90 1/91 1/92 1/93 Part Name Cable CN101-battery CN104-C0 (capacitor) Cable CN200, 201-XLR Cable CN6-LCD FFC Cable CN1 to mech FFC Cable CN2 to mech FFC Cable CN10 to CN11 Part Code 08-049-04a 08-049-04b 08-050-04 08-051-04 UL20624-19 UL20624-16 UL20624-16 No. 2/33 2/34 2/35 2/36 2/37 2/38 2/39 2/40 2/41 2/42 No. 2/1 2/2 2/3 2/4 2/5 2/6 2/7 2/8 2/9 2/10 2/11 2/12 2/13 2/14 2/15 2/16 2/17 2/18 2/19 2/20 2/21 2/22 2/23 2/24 2/25 2/26 2/27 2/28 2/29 2/30 2/31 2/32 Part Name CPU board 4 layer IC8 (microprocessor) IC1 IC2 IC3 IC4 IC5 IC9 IC10 IC11 (Optical RX) IC12 (Eeprom software) IC13 (Optical TX) IC14 IC100 IC101, 102 IC103 IC104 IC105, 106 IC118 Q100, 102 Q101 D1, 2, 3, 4, 102, 107 D5, D7, D8 D100, 101, 103-105, 109 USB Socket Mini DIN Socket (remote) IC Socket 28 way CN1 (19-way conn) CN2, CN10 (16-way conn) CN6 (16-way conn) CN7 (20-way conn) CN8 (7-pin conn) Part Code 01-123-03 TMP90CM37F UDA1325H TC74HC00F TC74LVX4245FS TC74HC153F AT24C16N-10SI TC74HC373F NJU6355EM TORX173 M27C256B-12FI TOTX173 TC7S14F S80760AN-JQ-T1 NJM2360M MAX1627ESA NJU7201U50 LM2940CT-5. 0 NJU7201U32 2SJ525 2SC4116Y 1SS272 1SS383 U1GWJ44 USB-212-T TCS7588-01-201 AXS 102811K 52806-1910 52806-1610 AXL216801 Z-282-20FD 53253-0710 2/53 2/54 2/43 2/44 2/45 2/46 2/47 2/48 2/49 2/50 2/51 2/52 Part Name CN12 (4-way conn) CN101 - 104 (2-pin conn) Slide charge switch (SW100) Tact reset switch (SW1) Back up Battery Crystal 22. 5792MHz Crystal 48 MHz Crystal 32. 768 MHz X3 (12. 228M) Resonator Toroidal Coil, T100 L9, L101, 102 470 uH L104 33uH L105, 107, L109 1mH L106 100mH Chip Coil Chip Coil L1, 4 47uH L2 3. 3uH Part Code Z-282-04FD 53253-0210 SS324F-B12H6. 5 PT-007-C12B Ml2020/H1B HCM49S HC-49/US FTS-26 12. 2MTJOC4 TF0804S-201Y1R6 RCH875 471K RCH875 330K RCH875 102K RCH875 101K LQH3C470K04 LQG21N3R3K BLM21A601F CPU Unit Chip EMIFIL L3, 5, 6, 7, 8 Resistor metal oxide 20W 2W R101RS14AB3D E Capacitor 6. 3V 47u C14, 24 0J-UTCXM470M E Capacitor 16V 100u C39, 41, 49, 100, 108, 110, 115, 117-9 1C-UTES101M E Capacitor 50V 47u C109, 113 1H-UTES470M E Cap 6. 3V 1000u C111, 114 OJ-UTESM102M 52 PORTADISC MDP500 MiniDisc Recorder PARTS LIST Analog Main Unit No. 3/1 3/2 3/3 3/4 3/5 3/6 3/7 3/8 3/9 3/10 3/11 3/12 3/13 3/14 3/15 3/16 3/17 3/18 3/19 3/20 3/21 3/22 3/23 3/24 3/25 3/26 3/27 3/28 3/29 3/30 3/31 3/32 Part Name ANALOG MAIN PCB IC209, 210 IC211, 212 IC213 IC214 IC215 IC217 IC218, 403 IC400 (AD/DA) IC401 IC402 IC404 IC405 Q204-208, 210 Q400-407 Q408 D202, 203 Audio Pin Jack Line OP Audio Pin Jack Dig I/O Headphone Jack CN203 (12-way conn) CN204 (4-pin conn) CN400 (20-pin conn) CN401 (6-pin conn) CN403 (2-pin conn) Record Lvl Pot. VR200 Toroidal Coil, T400 Chip EMIFIL, L400-406 Inductor, L407, 408 470uH E Cap 10V 220u C441-2 E Cap 6. 3V 10u C443, 445 E Cap 6. 3V 100u C267, 268 411, 412, 415, 420, 450 OJ-UTCXM101M Part Code 01-124-03 NJM2068M NJM2121M BA3308F TC74HC4094F NJM2122M TC74HC4066F TC74HC4052F AK4520A-VF NJM4580ED TC74HCU04F NJM3414M NJM2073M 2SC4116Y 2SC4213B 2SA1163 1SS272 LPR6520 LPR6520 S-G4617 #3 LPC-12FDS HKP-04M1 HKP20M1 53253-0610 53253-0210 RK0972220 TF0804S-201 BLM21A601F RCH875 471K 1A-UTCX221M OJ-UTCXS100M Analog Sub Unit No. 4/1 4/2 4/3 4/4 4/5 4/6 4/7 4/8 4/9 4/10 4/11 4/12 4/13 4/14 Part Name ANALOG SUB PCB IC200 IC201, 203, 216 IC202, 204, 207, 208 IC205, 206 Q200, 201 Q202, 203 D200, 201 RL200, 201 Relay Condenser Mic. CN200, 201 (Inputs) CN202 (12-pin conn) E Cap 50V 100u C207, 208 Part Code 01-125-04 NJM2110M NJM2122M TC74HC4052F TC74HC4094F 2SA1163 2SC4116Y 1SS272 ATQ219SA KUB2823 5530-03A LPC-12T5M 1H-UTES101M E Cap 50V 22u C205-6, 212-5 IH-UTCXM220M 53 54 PORTADISC MDP500 MiniDisc Recorder TOP PANEL 1 BATTERY COMPARTMENT This cover slides off (from right to left in this view) and underneath is the battery caddy, holding 8 x AA batteries. KEYHOLD Use this button to avoid any accidental operation during recording. [. . . ] Semiconductor laser (wavelength 780nm) Record/playback time Stereo mode . Approx 400-900rpm Constant Linear Velocity Sampling frequency . 44. 1kHz (with internal SRC to cater for 32kHz and 48kHz source signals) Coding . EFM (Eight to Fourteen Modulation) Channels . [. . . ]