Sony R500PC manual

1 MZ-R500/R500PC SERVICE MANUAL Model Name Using Similar Mechanism NEW Mechanism T ype MT -MZR500-172 Optical Pick-up Name LCX-4R System Audio playing system MiniDisc digital audio system Laser diode properties Material: GaAlAs W a velength: λ = 790 nm Emission duration: continuous Laser output: less than 44.6 µ W (This output is the value measur[...]

2 Flexible Circuit Board Repairing • Keep the temperature of the soldering iron around 270°C during repairing. • Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). • Be careful not to apply force on the conductor when soldering or unsoldering. Notes on chip component replacement • Never reuse a dis[...]

3 1. SER VICING NOTE ......................................................... 4 2. GENERAL Looking at the Controls ...................................................... 5 Record an MD ..................................................................... 5 Playing an MD right away .................................................. 6 3. DISASSEMBL [...]

4 MZ-R500/R500PC SECTION 1 SERVICING NOTE NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electro- static break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body . During repair , pay attention to electrostatic br[...]

5 MZ-R500/R500PC SECTION 2 GENERAL This section is extracted from instruction manual.[...]

6 MZ-R500/R500PC[...]

7 MZ-R500/R500PC Note : This set can be disassemble according to the following sequence. SECTION 3 DISASSEMBL Y 3-1. CASE (LOWER) ASSY 3-2. CASE (UPPER) ASSY Note : Follow the disassembly procedure in the numerical order given. Set Case (Lower) Assy Case (Upper) Assy LCD Module Main Board MD Mechanism Deck Service Assy, OP Motor Flexible Board Hold[...]

8 MZ-R500/R500PC 3-3. LCD MODULE 3-4. MAIN BOARD 1 screws (1.7x3), tapping 4 LCD module case (upper) ass y 2 screws (1.7x3), tapping 3 3 screws (M1.4x2), toothed lock 4 screws (M1.4x2), toothed lock 6 2 Remov e the solders 9 Remov e the solder qa Remov e the solder 0 terminal (+), batter y qs terminal (-), batter y 1 CN701 8 MAIN boar d 7 CN501 5 s[...]

9 MZ-R500/R500PC 3-5. MD MECHANISM DECK 3-6. SERVICE ASSY , OP 1 screws (1.7), MI 2 chassis assy , se t boss 3 MD mechanism deck 4 rack spring (S) 6 spring, thrust detent 3 precision pan screw (M1.4) 5 precision pan screw (M1.4) 1 washer (0.8 - 2.5) 2 gear (SA) 8 Pull off the lead screw . 7 B A 9 Opening the ov er write head toward the direction A [...]

10 MZ-R500/R500PC 3-7. HOLDER ASSY 3-8. MOTOR FLEXIBLE BOARD 4 Remov e the holder assy to direction of the arrow B . 1 Open the holder assy . A 2 B 3 boss 2 Remov e two solders of DC motor (ov er write head up/down) (M603). 1 Remov e four solders of DC motor (sled) (M602). 3 Remov e four solders of DC motor (spindle) (M601). 5 motor flexib le board[...]

11 MZ-R500/R500PC 3-9. MOTOR, DC (M602) 3-10. “MOTOR, DC (M601)”, “MOT OR, DC (M603)” 4 two precision pan screws (M1.4) 5 DC motor (sled) (M602) 1 Remov e four solders of motor flexib le board. 2 washer (0.8 - 2.5) 3 gear (SA) 1 Remov e six solders of motor flexib le board. 4 three precision pan screws (M1.4) qs DC motor (ov er write head u[...]

12 MZ-R500/R500PC 2 In the normal mode, turn on the [HOLD] switch. While press- ing the [VOL - -] key press the following order: > t > t . t . t > t . t > t . t X t X SECTION 4 TEST MODE 4-3. Operation in Setting the T est Mode • When the test mode becomes active, first the display check mode is selected. • Other mode can be selecte[...]

13 MZ-R500/R500PC 4-5. Configuration of T est Mode 4-6. Manual Mode Mode to adjust or check the operation of the set by function. Normally , the adjustment in this mode is not executed. However , the Manual mode is used to clear the memory , power supply adjustment, and laser power check before performing automatic adjustments in the Overall Adjust[...]

14 MZ-R500/R500PC 4-8. Self-Diagnosis Result Display Mode This set uses the self-diagnostic function system in which if an error occurred during the recording or playing, the mechanism control block and the power supply control block in the microcomputer detect it and record its cause as history in the nonvolatile memory . By checking this history [...]

15 MZ-R500/R500PC • Description of Indication History History code number Description 1 The first error N The last error N1 One error before the last. N2 T wo errors before the last. R_ T otal recording time 4-9. Reset the error display code After servicing, reset the error display code. • Setting method of Reset the Error Display Code 1. Setti[...]

16 MZ-R500/R500PC 4-1 1. Key Check Mode This set can check if the set function normally . • Setting Method of Key Check Mode 1. Setting the test mode (see page 12). 2 . Press the [T.MARK] + X k e y s activates the key check mode. (At the last two digits, AD value of remote commander key line is displayed in hexadecimal) 3. When each key on the se[...]

17 MZ-R500/R500PC 4. When all the keys on the set and on the remote commander are considered as OK, the following displays are shown for 4 sec- onds. Example1: When the keys on the set are considered as OK: 5. When all keys were checked or if the upper panel is opened, the key check mode quits and the test mode (display check mode) comes back. This[...]

18 MZ-R500/R500PC • Setting method of NV reset 1. Select the manual mode of the test mode, and set item number 021NV Reset (see page 13). 2. Press the X key . 3. Press the X key once more. 4. Press the x key to quit the manual mode, and activate the test mode (display check mode). • Change of Adjusted V alues On the set having the microcomputer[...]

19 MZ-R500/R500PC • Setting method of power supply manual adjustment 1. Make sure that the power supply voltage is 3V . 2. Set the test mode (see page 12). 3. Press the . or [VOL- -] key to activate the overall adjustment mode. 4 . Press the [END SEARCH] k ey . (the [END SEARCH] key causes the item number to be switched to 762.) • Adjustment me[...]

20 MZ-R500/R500PC 3. Adjust with [VOL +] , [VOL - -] key so that the adjusted value (hexadecimal value) becomes the ambient temperature. (Initial value: 14h = 20 ° C, Adjusting range: 80h to 7fh ( – 128 ° C to +127 ° C) 4. Press the X key to write the adjusted value. 5-7. Laser Power Check Connection : Checking Method : 1. Select the manual mo[...]

21 MZ-R500/R500PC 8. Press the N key , and set the laser CD read adjustment mode (item number 012). 9. Press the [ENTER] key and set the address & adjusted value display (see page 14). 10. Check that the laser power meter reading is 0.97 ± 0.10 mW . 11. Check that the voltage both ends (TP (+) and TP ( – )) of resis- tor R501 at this time is[...]

22 MZ-R500/R500PC 8. If OK through the overall MO adjustments, press the x key to return to the test mode and terminate the Overall Adjustment mode. 6. Insert MO disc in the set, and press the > key to set the Overall MO Adjustment mode. Automatic adjustments are made. 7. In case of MO overall adjustment NG, reset the NV (see page 18), then read[...]

23 MZ-R500/R500PC 5-9. Resume Clear Perform the Resume clear when all adjustments completed. • Resume Clear Setting Method 1. Select the manual mode of the test mode, and set item number 043 (see page 13). 2. Press the X key . 3. Press the x key to return to the test mode (display check mode). 5-10. Patch Data Rewriting When Nonvolatile Memory wa[...]

24 MZ-R500/R500PC 9. Press the X key . (0D58 is blinking) 10. Press the [VOL+] key once to change the blinking portion to 0D59. 11. Press the x key . (00 is blinking) 12. Adjust with the [VOL+] key (adjusted value up) or [VOL- -] key (adjusted value down) so that the adjusted value becomes B2. 13. Press the X key . (0D59 is blinking) 14. Press the [...]

25 MZ-R500/R500PC 20. Adjust with the [VOL+] key (adjusted value up) or [VOL- -] key (adjusted value down) so that the adjusted value becomes 20. 21. Press the X key . (0D5F is blinking) 22. Press the [VOL+] key once to change the blinking portion to 0D60. 23. Press the x key . (00 is blinking) 24. Adjust with the [VOL+] key (adjusted value up) or [...]

26 MZ-R500/R500PC 1 1. Adjust with the [VOL+] key (adjusted value up) or [VOL- -] key (adjusted value down) so that the adjusted value becomes AA. 12. Press the X key . (0D5D is blinking) 13. Press the [VOL+] key once to change the blinking portion to 0D5E. 14. Press the x key . (00 is blinking) 15. Adjust with the [VOL+] key (adjusted value up) or[...]

27 MZ-R500/R500PC 23. Adjust with the [VOL+] key (adjusted value up) or [VOL- -] key (adjusted value down) so that the adjusted value becomes F4. 24. Press the X key . (0D64 is blinking) 25. Press the [VOL+] key once to change the blinking portion to 0D65. 26. Press the x key . (00 is blinking) 27. Adjust with the [VOL+] key (adjusted value up) or [...]

28 MZ-R500/R500PC 47. Adjust with the [VOL+] key (adjusted value up) or [VOL- -] key (adjusted value down) so that the adjusted value becomes 1C. 48. Press the X key . (0D6D is blinking) 49. Press the [VOL+] key once to change the blinking portion to 0D6E. 50. Press the x key . (00 is blinking) 51. Adjust with the [VOL+] key (adjusted value up) or [...]

29 MZ-R500/R500PC 71. Adjust with the [VOL+] key (adjusted value up) or [VOL- -] key (adjusted value down) so that the adjusted value becomes 03. 72. Press the X key . (0D76 is blinking) 73. Press the [VOL+] key to change the blinking portion to 0D78. 74. Press the x key . (00 is blinking) 75. Adjust with the [VOL+] key (adjusted value up) or [VOL-[...]

30 MZ-R500/R500PC SECTION 6 DIAGRAMS 6-1. IC PIN FUNCTION DESCRIPTION • IC501 SN761057DBT (RF AMP , FOCUS/TRACKING ERROR AMP) Pin No. Pin Name I/O Description 1 TE O T racking error signal output to the system controller (IC801) 2 REXT — Connect terminal to the external resistor for ADIP amp control 3 WPPLPF — Connect terminal to the external[...]

31 MZ-R500/R500PC • IC801 CXD2671-204GA (SYSTEM CONTROLLER, DIGIT AL SIGNAL PROCESSOR, 16M BIT D-RAM) Pin No. Pin Name I/O Description 1 P AUSE KEY I Set key input terminal ( X key input) 2 (MIC SENSE) O Control signal output to the microphone amp “ H ” : HIGH, “ L ” : LOW , normally: “ H ” Not used (open) 3 XTEST I Input terminal for[...]

32 MZ-R500/R500PC Pin No. Pin Name I/O Description 52 A VD2 — Power supply terminal (for the analog) (+2.4 V) 53 A VS2 — Ground terminal (for the analog) 54 ADRB I A/D converter the lower limit voltage input (fixed at “ L ” in this set) 55 SE I Sled error signal input terminal Not used (fixed at “ L ” ) 56 TE I T racking error signal in[...]

33 MZ-R500/R500PC Pin No. Pin Name I/O Description 99 SLDW O Sled motor drive signal output (W) to the motor driver (IC701)/drive control signal output (2+) 100 SLCU I Spindle motor drive comparison signal input (U) from the motor driver (IC701) 101 SLCV I Spindle motor drive comparison signal input (V) from the motor driver (IC701) 102 SLCW I Spin[...]

34 MZ-R500/R500PC Pin No. Pin Name I/O Description 169 CLK SEL O System clock select signal output to the power control (IC901) 170 OPEN CLOSE SW I Open/close detection switch (S806) of the upper panel input terminal (A/D input) “ L ” : when upper panel close 171 GND SW O Control signal output to the ground (GND) changeover switch 172 SET CODE0[...]

MZ-R500/R500PC 35 35 Pin No. Pin Name I/O Description 223 SPDL MON I Spindle servo monitor signal input 224 – 226 (XA VLS), (SOUND 1, 2) I Not used (open) 227 XHOLD SW I HOLD switch (SW801) input terminal “L”: hold ON, “H”: hold OFF 228 (SYCN REC) I SYNCHRO REC switch input terminal “L”: OFF , “H”: ON Not used (open) 229 (SYNC LEV[...]

MZ-R500/R500PC 36 36 33 24 81 35 25 80 TRACKING COIL DRIVE 10 19 82 8 18 83 FOCUS COIL DRIVE 14 17 42 16 233 98 SLED VOLTAGE MONITER SPINDLE SERVO DRIVE SWITCH IC805 41 12 20 97 29 26 99 MAIN BOARD (1/3) MOTOR FLEXIBLE BOARD AUTOMATIC POWER CONTROL Q501 2 19 11 12 5 8 18 14 9 10 15 16 17 7 6 1 3 4 1 2 JX JY JX IX IY Iy HR601 OVER WRITE HEAD MD MECH[...]

MZ-R500/R500PC 37 37 9 1 3 2 71 AUDIO I/F CONTROLLER AUDIO I/F CONTROLLER CLOCK DIVIDER OPT CONTROL SWITCH Q302 A/D CONVERTER & HPF IP GAIN AMP 29 30 215 192 191 218 240 142 22 21 15 2 4 24 23 13 11 69 2 3 4 1 219 24 25 70 17 18 MUTING BEEP STANDBY REFERENCE VOLTAGE SWITCHING Q301 10 179 180 181 SYSTEM CONTROL /POWER SECTION RMC KEY 4 SYSTEM CO[...]

MZ-R500/R500PC 38 38 187 206 205 1 13 14 227 170 230 3 48 10 20 86 10 25 169 236 235 234 17 18 19 S805 (HALF LOCK) 15 21 141 164 165 8 11 39 36 12 34 32 50 33 4 7 56 54 52 55 1 3 2 5 53 14 13 10 11 4 5 12 7 8 6 3 1 2 9 MAIN BOARD (3/3) SYSTEM CONTROL/POWER SECTION SDO0 SCK0 AUDIO SECTION 3 RMC KEY AUDIO SECTION 4 CLK VREF SERVO SECTION 2 RESET SWIT[...]

MZ-R500/R500PC 39 39 Note: The components identi- fied by mark 0 or dotted line with mark 0 are criti- cal for safety . Replace only with part number specified. Note: Les composants identifiés par une marque 0 sont critiques pour la sécurité. Ne les remplacer que par une piéce portant le numéro spécifié. Common note on Printed Wiring Board: [...]

MZ-R500/R500PC 40 40 1 A B C D E F G H I J 2 3 4 5 6 7 8 9 10 11 12 13 14 MAIN BOARD (SIDE A) R843 R823 R827 C824 R834 R808 C803 R804 C805 C826 C851 R603 C713 R925 C922 C306 C106 C206 R108 R109 R208 R209 C907 R906 C917 C855 C856 C853 C854 C825 C918 R920 R922 D904 C310 C914 R616 R809 C819 C820 R825 R826 C804 C822 C818 C711 C712 R852 R602 R832 R829 R[...]

MZ-R500/R500PC 41 41 1 A B C D E F G H I J 2 3 4 5 6 7 8 9 10 11 12 13 14 L904 D201 D906 1 2 3 5 4 1-680-275- J901 DC IN 3V ! i MAIN BOARD (SIDE B) C828 R833 C514 C806 R806 R807 C505 R510 C513 C521 R813 C812 R812 R105 R805 R502 R811 C808 R810 R830 C802 C807 R831 FB803 R508 R504 C829 R506 C516 C519 C515 C529 C518 C522 C517 C814 R814 C811 C813 FB801 [...]

MZ-R500/R500PC 42 42 IC B/D IC B/D IC B/D 6-6. SCHEMA TIC DIAGRAM — MAIN SECTION (1/3) — • Refer to page 39 for W aveforms. Refer to page 45 for IC Block Diagrams. Refer to page 39 for Note. (Page 43)[...]

MZ-R500/R500PC 43 43 IC B/D :EXCEPT US MODEL :US MODEL * * FERRITE 6-7. SCHEMA TIC DIAGRAM — MAIN SECTION (2/3) — • Refer to page 39 for W aveforms. Refer to page 47 for IC Block Diagrams. Refer to page 39 for Note. (Page 42) (Page 44) (Page 44)[...]

MZ-R500/R500PC 44 44 IC B/D IC B/D * * * EXCEPT US MODEL :EXCEPT US MODEL :US MODEL , 6-8. SCHEMA TIC DIAGRAM — MAIN SECTION (3/3) — • Refer to page 48 for IC Block Diagrams. Refer to page 39 for Note. (Page 43)[...]

45 MZ-R500/R500PC • IC BLOCK DIAGRAMS IC501 SN761057DBT 1 TE REXT Wpp LPF VREF C D D-C Iy Ix Jx Jy A A-C B ADIP-IN FE ABCD OFC-1 OFC-2 PS LP EQ AGND RF OUT CCSL2 VC XRST SCK SBUS VREF075 PEAK BOTM DGND OFTRK S-MON TON-C CIG CDN ADIP DVDD PD-I PD-NI PD-O 43 44 TWpp PK/BTM Aw CSLO VREF075 A-C D-C Malfa Mij AwBPF Dw DwBPF 42 39 AVCC 38 37 36 35 34 3[...]

46 MZ-R500/R500PC IC701 SC111257FCR2 43 PRE DRIVER PRE DRIVER + – 48 47 44 45 46 49 50 51 + – 52 + – 53 54 55 56 1 2 3 4 5 42 41 39 37 38 40 + – + – 6 3PHASE CONTROL 35 34 33 36 31 30 29 32 8 9 10 7 12 13 14 15 11 H-BRIDGE CONTROL PRE DRIVER H-BRIDGE CONTROL 26 27 28 24 23 22 21 20 25 17 16 18 19 VC VC VG VG VC VC VC H-BRIDGE CONTROL H-BR[...]

47 MZ-R500/R500PC 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 54 55 56 1 53 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 24 23 25 26 27 28 VB BATM CHGSW RS INP2 INM2 RF2 DCIN CHGMON SVREF GAIN CHG DREG GND SW RECON OE CLK RI FI EFM VIO VC V RECO1 LI 1 PGND1 PGND1 LI 2 VRECO2 VREC DTC INP1 INM1 RF1 DW TP DW BT C[...]

48 MZ-R500/R500PC V REF MT SW BST SW BEEP 19 20 21 22 23 24 18 17 16 15 14 13 PW SW 12 11 10 8 7 BST1 9 BST2 6 5 4 3 2 1 BST AGC PW B PW A ADD TCMT VCC IN R IN L OUTB OUTA +B OUT L PW GND OUT R DET AGC IN BST NF2 LPF2 NF1 LPF1 VREF VREF IN GND BEEP BST SW MUTE STB BEEP BEEP 1 13 2 5 VCON VA SDTO BCLK MCLK LRCK CDTI CCLK CSN PDN VA RIN2 RIN1 LIN2 LI[...]

49 MZ-R500/R500PC The components identified by mark 0 or dotted line with mark 0 are critical for safety . Replace only with part number specified. Les composants identifi é s par une marque 0 sont critiques pour la s é curit é . Ne les remplacer que par une pi é ce portant le num é ro sp é cifi é . SECTION 7 EXPLODED VIEWS NOTE: • The mec[...]

50 MZ-R500/R500PC Ref. No. Part No. Description Remark 7-2. CASE (UPPER) SECTION Ref. No. Part No. Description Remark 51 52 53 55 56 57 58 58 59 60 58 54 61 62 51 3-225-619-01 CASE (UPPER) (SIL VER)...(SIL VER) 51 3-225-619-11 CASE (UPPER) (BLUE)...(BLUE) 51 3-225-619-21 CASE (UPPER) (BLACK)...(BLACK) 51 3-225-619-31 CASE (UPPER) (DARK BLUE)... (DA[...]

51 MZ-R500/R500PC 7-3. CHASSIS SECTION Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 101 102 103 104 105 107 105 106 108 109 110 111 112 113 114 MT -MZR500-172 101 X-3379-969-1 CHASSIS ASSY 102 3-318-382-01 SCREW (1.7X3), T APPING 103 4-218-233-11 SCREW (1.7), MI * 104 A-3021-481-A MAIN BOARD, COMPLETE (US) * 104 A-3021-[...]

52 MZ-R500/R500PC 7-4. MD MECHANISM DECK SECTION (MT -MZR500-172) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark M603 M601 M602 151 152 155 156 157 158 173 165 171 170 169 168 168 167 153 154 160 172 161 173 162 153 159 164 163 165 159 166 153 A A B B The components identified by mark 0 or dotted line with mark 0 are crit[...]

53 MZ-R500/R500PC SECTION 8 ELECTRICAL P ARTS LIST NOTE: • Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. • -XX and -X mean standardized parts, so they may have some difference from the original one. • RESISTORS All resistors are in ohms. MET [...]

54 MZ-R500/R500PC Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN C705 1-135-211-11 T ANT AL. CHIP 6.8uF 20% 6.3V C706 1-135-211-11 T ANT AL. CHIP 6.8uF 20% 6.3V C707 1-104-912-11 T ANT AL. CHIP 3.3uF 20% 6.3V C708 1-119-749-11 T ANT AL. CHIP 33uF 20% 4V C709 1-104-912-11 T ANT AL. CHIP 3.3uF 20% 6.3V C710 1-125-777-1[...]

55 MZ-R500/R500PC Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN @ Replacement of CXD2671-204GA (IC801) used in this set requires a special tool. Therefore, it cannot be replaced. FB801 1-414-226-21 FERRITE, EMI (SMD) (US,CND) FB802 1-216-864-11 MET AL CHIP 0 5% 1/16W FB803 1-216-864-11 MET AL CHIP 0 5% 1/16W FB804 1[...]

56 MZ-R500/R500PC Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN R801 1-218-990-11 SHORT 0 R804 1-218-990-11 SHORT 0 R805 1-218-981-11 RES-CHIP 220K 5% 1/16W R806 1-208-927-11 MET AL CHIP 47K 0.5% 1/16W R807 1-208-927-11 MET AL CHIP 47K 0.5% 1/16W R808 1-218-959-11 RES-CHIP 3.3K 5% 1/16W R809 1-218-959-11 RES-CHIP 3.[...]

57 MZ-R500/R500PC Ref. No. Part No. Description Remark The components identified by mark 0 or dotted line with mark 0 are critical for safety . Replace only with part number specified. Les composants identifi é s par une marque 0 sont critiques pour la s é curit é . Ne les remplacer que par une pi é ce portant le num é ro sp é cifi é . ACCES[...]

58 MZ-R500/R500PC 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 revised page allo ws you to jump to the ne xt revised page. V er . Date Description of Revision 1.0 2001. 06 Ne w (The MZ-R500PC is added.)[...]