Alpine-Alpage-AL-55-Service-Manual 电路图 维修手册.pdf

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1、r:1 1.3 SERVICE MANUAL /ILPINE t . - - ! -. r-.c.-, . -; :-;.-._ - ,.,_:;:. . -;:. 003iEE lili!m - . :=-= i i i ii El. /ILPINE Contents Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Parts Locations an

2、d Disassembly Instructions . 3 to 5 Adjustment Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 to 7 Adjustment Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3、. . . . . . . . 8 Trouble Shooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 ta 11 Replacement of Mechanical Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 ta 13 Block Di

4、agram . 13 Parts Layout on P.C. Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 ta 18 Wiring Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 ta 20 Schematic D

5、iagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 ta 22 Elec trical Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 ta 31 Cabinet Assembly Parts List

6、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Exploded View (Cabinet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 ta 34 Exploded View (Cassette Deck) . . . . . . . . . . .

7、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 ta 36 Cassette Deck Assembly Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Packing Method View. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Packing Assembly Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Semi-Conductor Lead Identifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9、 . . . . . . . . . . . 39 ta Specifications Power Source . 110/127/220/240V AC 50/60 Hz (For Multi-Voltage Madel Only) 120V, AC 60 Hz (For Single-Voltage Mode! Only) P ower Consumption . 25 W Tape Speed . , . 4. 76 cm/sec. 1.5 % Wo w :-;: IQ-:-r-,;-.,. -r -II ,-) 11-111-.-!.1 j/ -J LINE INPUT jacks

10、(J2011, 2) REMOTE jack (J601) LINE OUTPUT jacks (J201-3, 4) - AC supply cord (P 101) Voltage selector switch (For Multi-voltage Model onli (S102) Figure 2 -3- 1. Removal of Top Cover (1) Remove four screws marked o as shown in Figures 3 and 4. (2) Lift up the top cover in the direction of the arrow

11、as shown in Figure 3. 2. Removal of Front Panel (1) After removal of top cover, remove two con- nectors as shown in Figure 5. (2) Remove one screw marked * as shown in Figure 5. (3) Remove six screws marked 6 as shown in Figures 5 and 6. (4) Remove the front panel from the main chassis in the direct

12、ion of the arrow as shown in Figure 3. 3. Removal of Optical Meter with Lamp P.C. Board (1) After removal of the top cover and front panel, remove three screws marked as shown in Figure 5. (2) Remove the meter frame and scale meter as shown in Figure 7. (3) Pull out the optical meter as shown in Fig

13、ure 5. (4) Disconnect all wires from the optical meter and Lamp P.C. Board. (5) Remove the optical meter with Lamp P.C. Board. D Direction of.Optical Meter Removal + Connector LED P.C. Board * Master P.C. Board Figure 5 Direction of Top Cover Removal Figure 3 0 I Tack, I * Multi-Voltage Model Only R

14、ear Cover Figure 4 -Cassette Deck Bottom Cover Figure 6 -4- n t) 4. Removal of Rear Cover ( 1) After removal of the top cover, remove seven screws marked* as shown in Figure 4. (2) Remove two tacks as shown in Figure 4. (3) Remove the rear cover. 5. Removal of Master P.C. Board (1) After removal of

15、top cover and front panel, re- move six screws marked from the master P.C. Board as shown in Figure 5. (2) Remove three jack stopper from the mic jack and phones jack as shown in Figure 7. (3) Remove three screws marked as shown in Figures 5 and 7. (4) Remove bias fine knob as shown in Figure 7. (5)

16、 Disconnect all wires from the master P.C. Board. (6) The P.C. Board can be completely removed from the chassis. 6. Removal of REC. VR. (1) Remove four screws marked as shown in Figure 7. (2) Remove two knobs from the REC. VR. as shown in Figure 7. (3) Disconnect all wires from the REC. VR. 7. Remov

17、al of Key Board P.C. Board (1) Remove four screws marked from the key board P.C. Board as shown in Figure 8. (2) Disconnect all wires from the key board P.C. Board. 8. Removal of reed Switch P.C.Board (1) Remove one screw marked# as shown in Fig- ure 5. (2) Disconnect all wires from the Reed Switch

18、P.C. Bpard. 9. Removal of L.E.D. P.C. Board (1) Remove one screw marked 3$. as shown in Fig- ure 5. (2) Disconnect all wires from the L.E.D. P.C. Board 10. Removal of Cassette Deck (1) Lift up the cassette door in the direction of the arrow as shown in Figure 7. (2) Remove four screws marked * from

19、the cassette deck as shown in Figure 5. (3) Disconnect all wires from the cassette deck. (4) The cassette deck can be completely removed from the chassis. -5- Direction of Cassette Door Key Board P.C. Board Meter Frame Meter Scale Knob lvf Bias Fine Jack Stopper Knob Figure 7 Front Panel (Inside) Fi

20、gure 8 AL-55 Ill Adjustment Procedures DESCRIPTION MODE ADJUST TEST CONNECTION STEP (SWITCH) POINTS POINTS INSTRUCTION REMARKS Play Head Head Azimuth Azimuth Test Tape: MTT-114 1 Tape: Nor Line Out Figure 9 Adjustment NR: Off Screw Adjust for Maximum (Figure 10) Round Play hole on Tape Speed the rea

21、r Test Tape: MTT-111 2 Tape: Nor Line Out Figure 9 Adjustment NR:Off of the Adjust for 3000 30 Hz. motor (Figure 14) Playback Level Play VR201 T.P.3 Test Tape: MTT-150 3 Tape: Nor Figure 12 Adjustment NR: Off VR202 T.P.4 Test Point Output: 580 mV Input Record T.P.3 Line Input: 400 Hz, 300rnV Tape: N

22、or VR203 Figure 11 Adjustment NR: Off T.P.4 Test Point Output: 580mV 4 Level Meter Record VR401 Level Line Input: 400 Hz, 300rnV Tape: Nor Meter Figure 11 Adjustment NR: Off VR402 Reading Adjust for O dB Conditions at step 4. Record Adjust for 7.5mV. Recording Tape: Metal VR501 T.P.1 See chart below

23、 for another 5 Current NR: Off VR502 T.P.2 Figure 11 typical bias level. Adjustment Bias: Off Bias Level (See Note) CrO2 6mV NORM 4.8mV Record VR505 T.P.1 Input: Non G) Tape: Metal Figure 13 NR: Off VR506 T.P.2 Test Point Output: 75 v B5mV Record VR503 T.P.1 Input: Non Tape: CrO2 Figure 13 VR504 T.P

24、.2 Test Point Output: 35 v iJ2mV Recording NR: Off 6 Bias Adjustment Record T.P.1 Input: Non Tape: Nor VR508 T.P.2 Figure 13 Test Point Output: 25 v J4mV NR: Off Note Bias Off: T.P.5 to ground. -6- C AL-55 Frequency counter llllllllllllllllllllrn _,-111 Line Out Record/Play bak Head Pf-la-+-y-1 : 1-

25、,-0-0+-K-o-hm-t ,:-/ :!I . I Cassette Door Bracket * Erase Head Pink -12- ( Figure 15 Figure 16 l.) Replacement of Motor (1) Remove a screw marked as shown in Figure 17 and two screws marked * and two wires (white, white/red) from motor side as shown in Figure 18, and the motor can be removed. (2) A

26、fter finishing assembling, confirm tape speed and wow/flutter with test tape MTT-111 ). Replacement of Pinch Roller (1) Remove a washer marked A to take off pinch roller assembly from the cassette deck as shown in Figure 19. (2) After replacing the pinch roller, clean it with absolute alcohol. (3) A

27、fter finishing assembling, confirm tape speed and wow/flutter with test tape MTT-111 ). Block Diagram r .L MIC AMP . P.8. AMP REC +8 POWER SUPPLY Cl RCUIT P. B. FF REW SOLENOID -13- DOLBY NR MUTE t6 REC MUTE +8 SOLENOID DRIVER TAPE END DETECTOR MUTE +B STOP SWITCHING Motor Bracket * PHONE AMP P.B.+B

28、 REC Figure 18 A Washer Figure 19 fP REC +B t REC +8 SWITCHING FUNCTION KEYS REMOTE DIN JACK Parts Layout on P.C. Boards Keyboard Switch P.C.Board Top View Bottom View lamp P.C.Board L.ED P.C.Board BLU Top View Bottom View Reed Switch P.C.Board Top View Bottm View YEL Top View Bottom View -14 - Mast

29、er P.C. Board Single voltage model only Top View -1h - Master P.C.Board Multi-voltage model only 0 Single voltage model only JC301,302 BLK BRN 0 GRY 0207,208 0507, 508 B 0,35V 7,0 V 0.85V ov 0613619 I 0 I 11-v I B ov 0620-622 C) E C B I ov OV ov 0 ;,. -17 - :. 18- Wiring Diagram Multi-voltage model

30、r- 1 PLUG AC CORD, P 101 7 Single voltage model ,-.,. I P IOI I : . I TIO! . -.J I I I I I I L -0.:._ -_J I BU I I I I I I I r _ J I I .J _J _ _J * SW. SELECT, S 102 BLK I I TRANS POWER, T 101 I BLK I I I I I I I I I ,r - - -_I ,. ,.,.,.SLIDE SW, S601,602 PLAY SOLENIOID, SD601 KEYBOARD SW. P.C.8. ws

31、u,:,1 602 I CONNECTOR P.C.8. L_ -19 - I I L_ H0501 ERASE HEAD BRN AL-55 -, H0201 REC/ PLAY HEAD BLK WHT PNK WHT PNK 2Jilj) L I _j * If the label in: the left l may be put on .the volt-I age selector S1;itch of I AL-55, proceed wiring I connection as follows. I SW. SELECT, SW 102 : BLK I I I I I j -+

32、- I I I I I L - -_I r.RY BRN BLK BLK YEL -7 GRY VIO BLU GRN YEL ORG RED BRN -7 REED SW. P.C.8. 1 L WHT .;1 . 1.F;, SHLD l - . j1J:J, MASTER P.C.B. CJ ., _J .7 ORG J ) VOLUME SLIDE , VR203 LED. P.C.B. RN BRN RED LAMP P.C.8. ORG YEL GRN BLU VIO GRY LM401 -20- Ci Schematic Diagram JZ03 R CH MIC IN REC

33、AMP BIAS SWITCHING HD501 ERASE HUD r- , r-MiiiM A23) K I _r-.,. _ ,.- 1 I I I I L - - - - - -POW -AN - Multi-voltage model only -21- I 2 3 4 7.4V 7.7V 0 V 6.0v 7.6V 6,9V 9 10 II 12 13 3.9V 7.7V 0 V 0,75V 0.35V 0 V 15 16 17 18 19 20 7,IV 7,7V 7.7V 7,6V 7.8V 0,9V 22 23 24 ,. 26 27 7.9V 7.9V 7.9V 7,9V

34、0 V 9,9V _ _J IC401 : 01 CH602 -7 IC 601 -1 5.5V 5,5V 10 II 12 14 0 V 0 V 0 V 0 V 0 V O V J201-3 L CH LINE OUT J201-4 R CH LINE OUT LM401 0. P. METER _ _._, LEFT 7 7.9V 14 7.0V 21 0.5V 28 15,0V 15 0 V 0 V 16 0.7V RIGHT Notes: (1) All resistance values are in ohms. K = 1,000 M = 1,000,000 (21 All cap

35、acitance values are in micro farads. P = 1 /1,000 ,000 ( 3) Switches S101 (Power ON/OFF): ON position S102 (Power Voltage Select): 220V position S201 (Tape Select, Norm): ON position S202 (Tape Select, Cr02): OFF position S203 (Tape Select, Metal): OFF position S301 (Dolby NA 8/C): C position S302 !

36、Dolby NA ON/OFF): ON position S303 (MPX Filter): ON position S601 (Pack-In Oetectl: Pack-OUT position S602 ( Rec, lnhl: Rec lnh S603 (Reed) S609 to 615 (Function) (4) Semiconductors 0101. 102,509 0211,212 0207 to 210. 301, 302, 0503.504 0201 to 204,505, 506 0507.508 0403,404, 0613 to 615 0604 0601,

37、608, 610 0205, 206, 303, 405, 0406,602,603,605, 0606, 607,609,611, 0612, 616 to 623 0401,402, 501,502 B0101 0101,606 to 608,615 0601 0201, 301,501, 0602 to 605, 0609to 614, 0616 to 619 20101 20102 20103, 303 2SDB80Y /2S0880GR 2SC2263U 2SC900E/2SC732BL/ 2SC1842E/2SC1843E 2SC1890/2SC1980 2SC1318 2SC13

38、18R/2SC509Y 2SC1318S 2SA921 /2SB788 2SA733 2SC1815Y/2SC945/ 2S0636 2SC2878 WL02 GP100 15581 MA150 H2202 H212B-3 H26B-2 I ,-w _ 7 I I !: u w 20301, 302 H212C-3, H21!C-2 LD301 AY4632K (AMB) 3 Ff IC601 8A843 7 REW PAUSE REC a.REW a. PAUSE a.FF a.FAST, O.PLAY 0.REC 15 14 13 12 I I 10 LD302 L0601 LD602 L

39、D603 ,-,f-+-1-o (51 Others , , 1 I 2301, 302: I I I EW S0601 : 1 1 ! -S0602: I -s 13 PAUS(I S0603: H-:-1.!4-+_,._+-l-.,_+-+.!c-,l.-c ,-=-=;:; t-Hr-t-+-+-+-1-!,:.:,;j,.!o;.- r-Tf.,.,.V, I I !DECK CONTROLLER! - -22- PC4632K (GRNI BG4524K (GRil PY4524K (AMII PR4524K (RED) MPX Filter PLAY Solenoid REW S

40、olenoid FF Solenoid Electrical Parts List Symbol No. Part No. Description ICs IC301 51T52160FO 1 HA12038-01 IC302 51T52160F01 HA12038-01 IC401 51T41803U01 TA7318AP-2 IC601 51S47110F01 BA843 Transistors 0101 48T42620F02 25D880-Y or 48T42620F03 25D880-GR 0102 48T42620F02 2S0880-Y or 48T42620F03 2S0880

41、-GR 0201 48S41196U03 2SC1980-T or 48S43394P01 2SC1890-E.F 0202 41S41196U03 2SC1980-T or 48S43394P01 2SC1890-E.F 0203 48S41196U03 2SC1980-T or 48S43394P01 2SC1890-E.F 0204 48S41196U03 2SC1980-T or 48S43394P01 2SC1890-E.F 0205 48S43525F02 2SC1815-Y or 48S44578J01 2SC945L-P or 48S40627U01 2S0636-0 0206

42、 48S43525F02 2SC1815-Y or 48S44578J01 2SC945L-P or 48S40627U01 25D636-0 0207 48S40246G01 2SC732-BL or 48S40149P01 2SC900-E or 48S47708F04 2SC1842-E or 48S47706F04 2SC1843-E 0208 48S40246G01 2SC732-BL or 48S40149P01 2SC900-E or 48S47708F04 2SC1842-E or 48S47706F04 2SC1843-E 0209 48S40246G01 2SC732-BL

43、 or 48S40149P01 2SC900-E or 48S47708F04 2SC1842-E or 48S47706F04 2SC1843-E . AL-55 i AL-55 Resistors (All resistors are carbon film, W, 5% unless otherwise noted.) uF = microfarads, pF = picofarads Symbol Part No. Description No. 0210 48S40246G01 2SC732-BL or 48S40149P01 2SC900-E or 48S47708F04 2SC1

44、842-E or 48S47706F04 2SC1843-E 0211 48T41195U04 2SC2263-U 0212 48T41195U04 2SC2263-U 0301 48S40246G01 2SC732-BL or 48S40149P01 2SC900-E or 48S47708F04 2SC1842-E or 48S47706F04 2SC1843-E 0302 48S40246G01 2SC732-BL or 48S40149P01 2SC900-E or 48S47708F04 2SC1842-E or 48S47706F04 2SC1843-E 0303 48S43525

45、F02 2SC1815-Y or 48S44578J01 2SC945L-P or 48S40627U01 25D636-0 0401 48T51878F01 2SC2878-A.B 0402 48T51878F01 2SC2878-A.B 0403 48S40832F04 2SC1318NC-S or 48S40832F03 2SC1318NC-R or 48S43239G02 2SC509-Y 0404 48S40832F04 2SC1318NC-S or 48S40832F03 2SC1318NC-R or 48S43239G02 2SC509-Y 0405 48S43525F02 2S

46、C1815-Y or 48S44578J01 2SC945L-P or 48S40627U01 2S0636-0 0406 48S43525F02 2SC1815-Y or 48S44578J01 2SC945L-P or 48S40627U01 2S0636-0 0501 48T51878F01 2SC2878-A.B 0502 48T51878F01 2SC2878-A.B 0503 48S40246G01 2SC732-BL or 48S40149P01 2SC900-E or 48S47708F04 2SC1842-E or 48S47706F04 2SC1843-E 0504 48S40246G01 2SC732-BL or 48S40149P01 2SC900-E or 48S47708F04 2SC1842-E or 48S47706F04 2SC1843-E -23 - I Symbol Part No. Description No. Symbol No. Part No. Description 0505 48S41196U03 2SC1980-