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1、D-103 SERVICE MANUAL._. Compact Disc Digital Audio Player . D-103/D-404 D-404 RadioFans.CN 收音机爱 好者资料库 Ill -Contents - Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Parts Locations. . . . . . . . .
2、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Disassembly Instructions . 4 to 6 Block Diagram . 7 Adjustment Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3、. . . . . . 8 Adjustment Procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 to 26 Wiring Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 to 2
4、8 Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 to 30 PartsList . 31to35 Mechanism Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5、. 36 Mechanism Assembly Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Exploded View (Cabinet) . 38 Cabinet Assembly Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6、 . . . . . . . 39 Packing Method View. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Packing Assembly Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7、. 41 Specifications Type . Compact Disc player with optical pickup Quantization . 16 bit linear Channels . 2 (stereo) Frequency response . 5 Hz -20 kHz:1:_LgdB Dynamic range . 80 dB Total harmonic distortion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8、 . . . . . . . . 0.01 % ( 1 kHz) Channel separation . 80 dB Wow and flutter . Unmeasurable Output . 2.0 0.5 volts Pickup . Semiconductor laser type Track location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . By tr
9、ack Power supply . AC 220V, 50 Hz (AK) AC 120V, 60 Hz (UZ, UC) AC 1 O0V, 50/60 Hz (AJ) Power consumption . 13 watts (AJ) 14 watts (AK, UZ, UC) Dimensions . 439(W) x 75(H) x 300(D) mm (D-103) 453(W) x 75(H) x 300(D) mm (D-404) Weight. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.1 kg Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connection cables Specifications are subject to change without notice. -2- Rad
11、ioFans.CN 收音机爱 好者资料库 D-103/D-404 Parts Locations Elapsed Time Indicator Track number indicator Display panel . .J -H Power Disc tray Repeat indicator Open/Close button Memory indicator Memory button- Repeat button- Display button _ Backward button _ _. Forward button _ _. Remote control socket Outpu
12、t terminal Figure 1 1 Figure 2 2 -3- Skip down button Play button Skip up button tfk -I Headphone jack Phones level control Pause/Stop button ,_ _ pause indicator ,_ _ Play indicator -Remaining time indicator AC inlet RadioFans.CN 收音机爱 好者资料库 - Disassembly Instructions TOP COVER REMOVAL (MODEL SILVER
13、) 1. Remove two screws (4 x 8mm BLK), (4 x 6mm SILVER) and four screws (3x8mm),andthe top cover will be removed from unit. (Figures 3, 4 and 5) 1-o/ 7 1J I -(I) ;f: f l, n 1. lljlffi();gli2ffil l:/?();gli41i .ftj iH:f t- 7 b I - t,j; j tt a: a ( 3 , 4 , 5 ) Figure 4 4 TRAY PANEL OPENING 1. When open
14、ing the tray panel manually, rotate the gear counterclockwise up to the point where the disc tray slightly comes out. Then pull out the disc tray by your hand. (Figure 6) 1-L.1 1, Jl, :;t -7:, n 1. llJ1. t-v- 1+Jvlft7t-7)1QIJt,j;?-.fiT.r ? t-1.11.ft-1=-1.nusH:tl.f:lT*a:-Y-a (6) -4- Figure 3 3 Figure
15、 5 5 Figure 6 6 TRAY PANEL REMOVAL 1. Open tray panel. 2. Remove tray panel by pushing hook . (Figure 7) r v-1 1,+Jv(J) ,.t L-n 1. r-v-1 1,:+Jl.i :;J-7:., l., Va 2. r-V-1 1,:+Jl.i(f)FIJJ(f) 7 :, Vfoi3Q8f$Jt 1 1!if1tl.Va (7) FRONT PANEL REMOVAL 1. Remove tray panel. 2. Remove three screws (3 x 6mm),
16、three screws (3 x 6mm) and one screw (3 x 6mm) and the front panel will be removed from unit. (Figures 8, 9 and 10) 7 / r / +JI;(/) ct L, n 1. r-V-11,:+Jl.ifl.,-y-a 2. oo(f)300 3 su 100 ,.t.-Y-l.,. mH.: sH:Hf 7 :, r-1,.:+Jv,.t. ,.t.1 ti v a (8. 9. 1 0) Figure 9 -g-a 2. hnu4 utthnuun a:-g-o (11) DISP
17、LAY P.C. BOARD REMOVAL 1. Remove front panel. 2. Remove eight screws (8) (3 x 8mm) and, the Display P.C. Board will be removed. (Figure 12) -f- A 71.14 P CO)ictf Lin 1. 7).r/+JL,l,a;!fl.,a:-g-o 2. -r-7v1PCt;: w TC9178AF TUNING SIGNAL DETECTION ADDRESS TC9l78F JITTER ABSORP, DE INTER -LEAVE CD - 0 ()
18、 C - Q) cc ., Q) 3 A 0 x - 1 l V l11%IHI Adjustment Locations Main P.C. Board TPI2(R) D TPl3(L) lo io 0 0 Z502 0 0 Z501 oi 0501 R508 (I) Q60I R507 oj a:) R705 TPI , . , (l) 00 R727 TP2 , . 1 L4J JWl68 JWl97 I I Mechanism APC P.C. Board S10I Rl24 8)R726 80 . 0121 0701 1 . -8- TPl6 D -JWl64 TP9 D Mech
19、anism P.C. Board 000103 QI02 QI0I 0104 0 O RII2 8 D-103/D-4O4 Adjustment Procedures Adjustment Jigs 1. Laser Power Checker 2. Test Disc A (YEDS 7) 3. Oscilloscope 4. DC Voltmeter 5. Clamper 6. Adjusting Bar (Insulator) Adjustment Procedures for Pickup Replacement Measurement Operation Adjustment Ste
20、p Measurement Item Reference Disc Test Point Note Value SW Point 1 Laser Power Light Output Not Power ON Laser Pick-Mecha P.C. Cut JW164 Adjustment 270W Loaded up Lens Board R112 After adjustment, solder JW164. Focus Balance RF Amplitude TP9, Mecha APC Disc A PLAY P.C. Board Adjustment max. TP16 R12
21、4 2 Laser Power Fine RF Amplitude Disc A PLAY TP9, Mecha P.C. Adjustment 1.0V(p-p) TP16 Board R112 Tracking Error DC Offset TP5, Mecha APC Cut JW197 3 Disk A PLAY P.C. Board Offset Adjustment DV Center TP6 R726 JW168 Tracking Gain Tracking Main P.C. Cut JW197 Adjustment Amplitude Disc A PLAY TP6 Boa
22、rd R727 JW168 0.7V(p-p) 4 Focus Gain Focus Error Main P.C. Cut JW197 Adjustment Amplitude Disc A PLAY TP2 Board R705 JW168 0.4V After adjustment, solder JW197 and JW168. Analog Circuit Adjustment Main P.C. 5 DC Offset DC DV 10mV Disc A PLAY TP13 (L) Board Adjustment TP12 (R) R507 (L), R508 (R) -9- -
23、 Preparatory Work Before Adjustment 1. Turn power OFF. 2. Rotate mecha gear, and disc tray will come out. (See Figure 13) 3. When the disc tray comes out fully, raise up clamper lever vertically. (See Figure 14) 4. Remove stopper fitting and mounting screw, and the disc tray will be removed. (See Fi
24、gure 14) 5. Remove screw at the center of clamper assembly mounted on clamper lever, and remove clamper assembly. Assemble the upper and lower halves of the clamper with the screw and use it as a jig. (See Figures 15 and 16) Figure 13 Clamper Figure 15 Screw Figure 14 Put clamper assembly on the dis
25、c. Figure 16 -10- Clamper Lever 0 Laser Power Checker D-103/D-404 ADJUSTMENT PROCEDURES AFTER LASER PICKUP REPLACEMENT * Hold all semi-fixed resistors (except R112) at their original positions set before replacement of the pickup (almost no adjustment is necessary. 1. LASER POWER ADJUSTMENT 1. Turn
26、power of unit OFF. 2. Turn semi-fixed resistor (R 112 10K ohm) at the side of pickup on Mecha P.C. Board counterclockwise fully. ( Laser power min.) 3. Cut JW164 on Main P.C. Board with a nipper (Open laser power control signal L.D.C. (Laser Diode Control). 4. Remove laser diode protection shorting
27、pin of laser pickup. 5. Turn power of unit ON. Apply laser power meter sensor to laser pickup lens and adjust R 112 by turning clockwise so that 270W is obtain- ed. (Take care the laser power meter sensor does not touch surface of the lens.) 6. Turn power of unit OFF. 7. Solder JW164 on Main P.C. Bo
28、ard. 2. FOCUS BALANCE ADJUSTMENT, LASER POWER FINE ADJUSTMENT 1. Remove mecha clamper, put test disc YEDS 7 on disc tray, and secure it with the removed clamper. 2. Check that semi-fixed resistor (R 124 20K ohm) on Mecha APC P.C. Board is remained at its original position set before pickup replaceme
29、nt. 3. Connect oscilloscope to TP16 (GND) and TP9 (RF). (AC range: 0.2V/DIV., 0.5sec/DIV) 4. Turn power of unit ON and play track No. 30 of test disc YEDS 7. 5. Adjust R124 on Mecha APC P.C. Board so that RF amplitude obtains max. (Focus balance adjustment) 6. Adjust semi-fixed resistor, R112 10K oh
30、m on pickup Mecha P.C. Board so that RF amplitude obtains 1.0V (Peak to Peak). (Laser power fine adjustment) 3. TRACKING ERROR OFFSET ADJUSTMENT 1. Check that R726 20K ohm on Mecha APC P.C. Board is remained at its original position set before pickup replacement. 2. Turn power of unit ON and play tr
31、ack No. 11. (Note: If R726 on Mecha APC P.C. Board is out of position excessively, normal play operation can not be expected.) 3. Cut JW197 (feeding motor) and JW168 (tracking) in this order with a nipper. 4. Connect oscilloscope to TP5 (GND) and TP6 (tracking error signal) on Main P.C. Board. (DC r
32、ange: 0.2V/DIV., 5msec/ DIV.) 5. Adjust semi-fixed resistor R726 20K ohm on Mecha APC P.C. Board so that DC offset of tracking error signal obtains ov. 6. Hold the unit under the same condition to proceed next adjustment of tracking and focus servo gain. Tracking Error Signal + ov MMAM;- vvvvvvv + +
33、 Plus (+) off.set: NG OV: OK Minus (-) offset: NG Figure 17 4. TRACKING AND FOCUS GAIN ADJUSTMENT 1. Check that semi-fixed resistor R705 10K ohm (focus gain) and R727 10K ohm (tracking gain) on Main P.C. Board when being unable to check positions, set both R705 and R727 at the center are remained at
34、 their original positions set before pickup replacement. m)-Straight line stands for center position Figure 18 -11 - - 2. Adjust R727 so that tracking error amplitude at TP6 obtains 0.7V (Peak to Peak). Figure 19 3. Adjust R705 so that amplitude obtains 0.4V (Peak to Peak) with oscilloscope connecte
35、d to TP2 (focus error signal). -Egnore impulse signal due to scratch, etc. Figure 20 4. Turn power of unit OFF. Solder JW197 and JW168 on Main P.C. Board. 5. ANALOG OUTPUT OFFSET ADJUSTMENT This adjustment is not related with pickup replacement. 1. Turn power of unit ON. 0.4V 2. Connect DC voltmeter
36、 or oscilloscope to TP13, L ch and TP12, R ch on Main P.C. Board. Adjust semi-fixed resistors R507 10K ohm (L ch) and R508 10K ohm (R ch) so that (DC range) offset voltage obtains OV 10mV. -12- D-103/D-404 LASER PICKUP Caution for laser pickup removal. 1. When removing the laser pickup, solder and s
37、hort-circuit the terminals to which red and black leads are connected to protect the laser pickup from damage which may be caused during the removal. (Refer to Figures 21 and 22) 2. Disconnect the connector and leads after completion of soldering. Do not touch the terminals on the pickup by your han
38、d. 3. When mounting the laser pickup, first connect the connector and leads and then unsolder the short-circuit terminals. CAUTION FOR LASER PICKUP REPLACEMENT 1. When mounting a new laser pickup, first connect the connector and leads and then remove laser diode protection short- ing pin on P.C. Boa
39、rd. (Refer to Figures 23 and 24.) * Use a soldering iron grounded (or leakageless iron). * Cover the working bench with a conductive mat which is also grounded. * Before proceeding job, always touch the conductive mat or ground lead with your both hands to discharge electric charges developed on you
40、r body. White Figure 21 Solder and short-circuit the two terminals before disconnecting leads from flexible P.C. Board. Figure 23 Laser diode protection shorting pin. Figure 22 Terminals short-circuited. White Figure 24 Remove laser diode protection shorting pin after connection of leads to flexible
41、 P.C. Board has been completed. -13- Ill LASER PICKUP RANK INDICATION The pickups are divided into two rank groups, A and B, and the rank is indicated on a label put on a side of the pickup as shown in Figure 25. When replacing by a new pickup of the same rank as the pickup to be replaced, no additi
42、onal resistor replacement is required. However, when replaced by a new pickup of a different rank, a resistor must be replac- ed as tabulated below, according to the rank of a new pickup. R113 Figure 25 A Remove Rank Indication B 5.6K LASER PICKUP REPLACEMENT 1. Remove flexible P.C. Board from conne
43、ctor G)of mecha APC P.C. Board. 2. Remove two screws, and the laser pickup and mecha P.C. Board will be removed. (Remove shaft as well.) 3. Unsolder pins 4 and 11 of laser pickup flexible P.C. Board, and the flexible P.C. Board ill be removed. 4. Short-circuit laser pickups two terminals to which re
44、d and black leads are connected and disconnect three leads. (Refer to laser pickup.) 5. Remove two screws (2) , and the mecha P.C. Board will be removed. 6. Remove two screws, and lack spring will be removed. 7. Remove two screws and, and the guide lever assembly will be removed. (Do not move spring
45、 and screw on guide lever.) 8. The laser pickup will be replaced in this way. Reassemble in reverse steps 1 to 7 above. Do not move this screw. Figure 26 Disconnect leads after short-circuiting Flexible P.C. Board Mecha APC P.C. Board -14- Figure 27 li s t Do not move this screw. Figure 28 D-103/O-4O4 CAUTION FOR CAM GEAR AND DRIVE GEAR REPLACEMENT 1. When mount
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