Panasonic-SAPM137GC-cs-mec 电路图 维修手册.pdf

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1、http:/servis- Service Manual TOP NEXT Order No. MD0208207C3 CD Stereo System lSA-PM137GC Colour (S) . Silver Type Specification Amplifier Section PMPO 1000 W RMS Power output THD 10% both channel driven 100 Hz (Low channel) 25 W per channel (6 ) 1 kHz (High channel) 25 W per channel (6 ) Total Bi-Am

2、p power 50 W per channel Input sensitivity AUX 250 mV MIC 0.7 mV Input impedance AUX 19.8 k MIC 680 FM Tuner Section Frequency range 87.50-108.00 MHz (50 kHz steps) Sensitivity 2.5 V (IHF) S/ N 26 dB 2.2 V Antenna terminal(s) 75 (unbalanced) AM Tuner Section Frequency range 522-1629 kHz (9 kHz steps

3、) 520-1630 kHz (10 kHz steps) Sensitivity S/ N 20 dB (at 999 kHz) 560 V/ m Cassette Deck Section Track system 4 track, 2 channel Heads Record/ playback Solid permalloy head Erasure Double gap ferrite head Motor DC servo motor Recording system AC bias 100 kHz Erasing system AC erase 100 kHz Tape spee

4、d 4.8 cm/ s Frequency response (+ 3 dB, -6 dB at Deck Out) Normal (type I) 35 Hz - 14 kHz S/ N 50 dB (A weighted) Wow and flutter 0.18% (WRMS) Fast forward and rewind time Approx. 120 seconds with C-60 cassette tape CD Section Sampling frequency 44.1 kHz Decoding 16 bit linear Beam source/ Wavelengt

5、h Semiconductor laser/ 780 nm Number of channels Stereo Frequency response 20 Hz - 20 kHz (+ 1, -2 dB) Wow and flutter Below measurable limit Digital filter 8 fs D/ A converter MASH (1 bit DAC) Video CD RadioFans.CN 收音机爱 好者资料库 http:/servis- 10.6 Replacement of CD traverse deck TOP PREVIOUS NEXT lFol

6、low Steps 1 to 15 described in Item 10.1. RadioFans.CN 收音机爱 好者资料库 http:/servis- TOP PREVIOUS NEXT RadioFans.CN 收音机爱 好者资料库 http:/servis- 10.7 Replacement of optical pickup unit (CD mechanism) TOP PREVIOUS NEXT lFollow Steps 1 to 15 described in Item 10.1. lFollow Steps 1 to 2 described in Item 10.6.

7、http:/servis- http:/servis- http:/servis- http:/servis- http:/servis- TOP PREVIOUS NEXT http:/servis- 10.8 Replacement of a traverse gear A and a traverse gear B TOP PREVIOUS NEXT lFollow Steps 1 to 15 described in Item 10.1. lFollow Steps 1 to 2 described in Item 10.6. lFollow Steps 1 to 12 describ

8、ed in Item 10.7. http:/servis- http:/servis- TOP PREVIOUS NEXT http:/servis- 10.9.1 Regarding a jig gear TOP PREVIOUS NEXT lThe gear is equipped to the unit to check the opening and closing of the disk tray and the hoisting of traverse unit manually at the maintenance service. (The usage of the gear

9、 is described in this disassembly procedure). lAs to the preparation of the gear jig, follow the following procedure. And, in case of the repair using the same set at second time onward, it is requested to keep used gear as it may possibly not be attached at the top cover part becauseit is already u

10、sed. 1. Remove the gear attached to the top cover of CD loading mechanism. 2. Insert a hexagonal wrench of 2.5mm (opposite side diameter) into the gear. TOP PREVIOUS NEXT http:/servis- 10.10 Replacement of disk tray TOP PREVIOUS NEXT lFollow Steps 1 to 15 described in Item 10.1. http:/servis- http:/

11、servis- http:/servis- http:/servis- http:/servis- TOP PREVIOUS NEXT http:/servis- 10.11 Replacement of the traverse mechanism TOP PREVIOUS NEXT lFollow Steps 1 to 7 described in Item 10.10. TOP PREVIOUS NEXT http:/servis- 10.12 Disassembly of CD loading section TOP PREVIOUS NEXT lFollow Steps 1 to 7

12、 described in Item 10.10. lFollow Step 1 described in Item 10.11. http:/servis- http:/servis- http:/servis- http:/servis- http:/servis- http:/servis- TOP PREVIOUS NEXT http:/servis- 10.13.1 Notes on fixing of CD loading section TOP PREVIOUS NEXT 10.13.1.1 Notes on fixing of the select track 1. Set a

13、 marking of a select drive gear at a marking of a mechanism base. 2. Fix a select gear 3. Slide a select track as shown by the arrow and fit it to a select gear. 4. Draw up a select track at the edge of the rear side. 23. 11. 2004file:/C:Documents%20and%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/se

14、rvis- 10.13.1.2 Notes on fixture of a vertical drive gear and GENEVA gear 1. Fix a vertical drive gear, GENEVA gear, a vertical reduction gear, gears (2 pieces) and a relay gear. 23. 11. 2004file:/C:Documents%20and%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/servis- 2. The marking should be at the p

15、osition as shown below figure to fix a vertical drive gear. 3. Set a hole as shown below to fix GENEVA gear. 23. 11. 2004file:/C:Documents%20and%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/servis- 10.13.1.3 Notes on fixing a vertical rack (L) 1. Fix vertical rack (L) and (R). 2. Position the concave

16、 portion of a vertical rack (L) to trapezoidal cog of a vertical rack (L) and fix. 23. 11. 2004file:/C:Documents%20and%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/servis- 3. Fix a timing gear plate and a timing gear, then fasten them with screws. 10.13.1.4 Notes on fixing of a change gear and a main

17、 gear 1. Fix a change lever and a change gear following 2. Then fix a level drive gear and a main gear spring, and fix a main gear following 3 and 4. 23. 11. 2004file:/C:Documents%20and%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/servis- 2. Position a convex portion of a change gear to a marking of

18、a mechanism base and fix. 23. 11. 2004file:/C:Documents%20and%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/servis- 3. Position a hole of a main gear against a boss (a) of a mechanism base and fix. 4. Rotate a main gear to the arrow direction to position a hole of a main gear to a boss (b). 5. Draw up

19、 a select rack to the far front part. 23. 11. 2004file:/C:Documents%20and%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/servis- 10.13.1.5 Notes on fixing a pitch plate 1. Fix a reduction gear (2), a relay gear, a pulley gear, a tray relaying gear and a large belt (2). 23. 11. 2004file:/C:Documents%20a

20、nd%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/servis- 2. Fix a level reduction gear (1), a horizontal reduction gear (2), a relay gear, a reverse gear, a speedup gear and a small belt (1). 23. 11. 2004file:/C:Documents%20and%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/servis- 3. Position the edge o

21、f a dividing lever (1) to the position shown in figure 1. 4. The hole A of a pitch plate should be positioned at the hole of a main gear. (Figure 2) 5. The hole B of a pitch plate should be positioned at the hole of a speedup gear. (Figure 3) 6. Fasten with screws. 23. 11. 2004file:/C:Documents%20an

22、d%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/servis- 10.13.1.6 Notes on fixing a traverse mechanism 1. Fix a vertical lever. (Fit a rib into both side grooves) 23. 11. 2004file:/C:Documents%20and%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/servis- 2. Fit a traverse mechanism into the groove. 3. The

23、 projecting portion of a dividing lever (2) should be inserted into a concave portion of a dividing lever (1). 23. 11. 2004file:/C:Documents%20and%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/servis- 4. Set a loading gear at the position shown by figure 2. 5. Draw a vertical rack (R) to the arrow dir

24、ection. 10.13.1.7 Notes on fixing a disk tray 1. Fix a tray drive gear and a tray drive gear shaft. (Position the lowest rib of a tray drive gear to be level) 23. 11. 2004file:/C:Documents%20and%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/servis- 2. Move a tray guide (R) and a tray guide (L) to the

25、arrow direction at a stretch, and fix disk trays (all of 5 pieces). 23. 11. 2004file:/C:Documents%20and%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/servis- 3. Check the phase. A. The projecting portion of a dividing lever (2) should be inserted into a concave portion of a dividing lever (a). B. Seta

26、 loading gear at the position shown by figure 2. C. The hole A of pitch plate should be positioned at a hole of a main gear. (Figure 3) D. The hole B of pitch plate should be positioned at a hole of a speedup gear. (Figure 4) E. Set the bottom rib of a tray drive gear to be level. (Figure 5) 23. 11.

27、 2004file:/C:Documents%20and%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/servis- 4. Push in 5 disk trays simultaneously. 23. 11. 2004file:/C:Documents%20and%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/servis- 5. Fix a speedup lock. 6. Fix an open switch lever. (Insert a boss of an open switch lever

28、into the hole of mechanism base) 23. 11. 2004file:/C:Documents%20and%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/servis- 7. Fix a top cover. (Fix to the arrow direction after putting into the catch) 23. 11. 2004file:/C:Documents%20and%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/servis- TOP PREVIOUS

29、NEXT 23. 11. 2004file:/C:Documents%20and%20SettingsAdminPlochaSCHMATAVIDEAPAN. http:/servis- 10.14 Disassembly of traverse mechanism TOP PREVIOUS NEXT lFollow Steps 1 to 15 described in Item 10.1. lFollow Steps 1 to 7 described in Item 10.10. lFollow Step 1 descrbed in Item 10.11. http:/servis- http:/servis- http:/servis- http:/servis- TOP PREVIOUS NEXT