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1、svcml.html Table Of Contents COVER 1 Safety Precaution 1.1 Insulation Resistance Test 2 Before Repair and Adjustment 3 Protection Circuitry 4 Accessories 5 Handling Precautions For Traverse Deck 6 Precaution of Laser Diode 7 Operation Procedures 8 Operation Checks and Component Replacement Procedure
2、s 8.1 Checking for Main P.C.B. 8.2 Disassembly for the CD changer assy 8.2.1 Disassembly for the CD Lid 8.2.2 Disassembly for CD changer unit 8.3 Checking for the unit operational condition 8.3.1 Initial setting of CD 8.3.2 Checking for the CD Servo P.C.B., Panel P.C.B., Deck P.C.B., Transformer P.C
3、.B. and Power P.C.B. 8.3.3 Replacement of the Power Amplifier IC 8.4 Main Component Replacement Procedures 8.4.1 Replacement of the Traverse Deck 8.5 Replacement for the disc tray 8.6 Disassembly and reassembly for mechanism base drive unit 8.7 Replacement for the motor assy 8.8 Replacement for the
4、pinch roller assy and head block 8.9 Replacement for the CD motor assy, capstan belt A, capstan belt B and winding belt 8.10 Replacement for the CD motor assy, capstan belt A, capstan belt B and winding belt 8.11 Replacement for the cassette lid assy 8.12 Measure for tape trouble 9 Self-Diagnostic F
5、unction 9.1 Self-diagnostic display 9.2 How to enter the Self-Diagnostic Function 9.3 Cassette Mechanism Test (For error code H01, H02, H03, F01, F02) 9.4 CD Mechanism Test (F15, F26, Service Manual TOP NEXT ORDER NO. MD0210229C1 A6 CD Stereo System G SA-AK310P SA-AK310PC Colour (K). Black Type TAPE
6、 SECTION : SG-2W MECHANISM SERIES Specifications AMPLIFIER SECTION Power output 10% Total harmonic distortion 60Hz-3kHz, both channels driven (Low channel)40 W per channel (6) 3kHz-16kHz, both channels driven (High channel)40 W per channel (6) Total Bi-Amp power80 W per channel Power output 10% Tota
7、l harmonic distortion 1kHz, both channels driven (Low channel)55 W per channel (6) 10kHz, both channels driven (High channel)55 W per channel (6) Total Bi-Amp power110 W per channel http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/PVAccel.html (1 of 3) 04/07/2003 10:18:59 RadioFans.CN 收音机爱 好者资料库
8、 svcml.html F16, F17, F27, F28, F29, H15) 9.5 To clear all Error code 9.6 How to get out from Self- Diagnostic function 9.7 Power Amplifier Failure (F61) 10 Description of Error Code 10.1 Error detection for Cassette Mechanism block 10.2 Error detection for CDChanger block 10.3 Power Supply related
9、error detection 11 CD Test Mode Function 11.1 How to set CD test mode 11.2 CD Automatically Adjustment result indication 12 Measurements and Adjustments 12.1 Cassette Deck Section 12.1.1 Tape Speed Adjustment (Deck 12) 12.1.2 Bias and Erase Voltage Check 12.1.3 Bias Frequency Adjustment (Deck 12) 12
10、.2 Tuner Section 12.2.1 AM-IF Alignment 12.2.2 AM RF Adjustment 12.3 Alignment Points 12.3.1 Cassette Deck Section 12.3.2 Adjustment Point 13 Illustration of ICs, Transistors and Diodes 14 Terminal Function of ICs 14.1 IC701 (AN8885SBE1) Servo Amplifier 14.2 IC702 (MN662790RSC) Servo processor Digit
11、al signal processor Digital filter DA converter 14.3 IC703 (AN8739SBTE2) Focus coil Tracking coil Traverse motor Spindle motor driver 14.4 IC600 (C2BBGF000405) System Microprocessor 15 Block Diagram 16 Schematic Diagram 17 Printed Circuit Board 18 Wiring Connection Diagram 19 Troubleshooting Guide 2
12、0 Parts Location and Replacement Parts List 20.1 Deck Mechanism (RAA4502-S) 20.1.1 Deck Mechanism Parts Location 20.1.2 Deck Mechanism Parts List Input sensitivity AUX250 mV Input Impedance AUX13.3 k FM TUNER SECTION Frequency range 87.9 - 107.9 MHz (200 kHz steps) 87.5 - 108.0 MHz (100 kHz steps) S
13、ensitivity2.5V (IHF) S/N 26 dB2.2V Antenna terminal(s)75 (unbalanced) AM TUNER SECTION Frequency range520 - 1710 kHz (10 kHz steps) Sensitivity S/N 20 dB (at 1000 kHz)560V/m CASSETTE DECK SECTION Track system4 track, 2 channel Heads Record/playbackSolid permalloy head ErasureDouble gap ferrite head
14、MotorDC servo motor Recording systemAC bias 100 kHz Erasing systemAC erase 100 kHz Tape speed4.8 cm/s (1 7/8 ips) Overall frequency response (+3 dB, -6 dB at DECK OUT) NORMAL (TYPE I)35 Hz - 14 kHz S/N50 dB (A weighted) Wow and flutter0.18% (WRMS) Fast forward and rewind timeApprox. 120 seconds with
15、 C-60 cassette tape CD SECTION Sampling frequency44.1 kHz Decoding16 bit linear Beam source/wave lengthSemiconductor laser/780 nm Number of channelsStereo Frequency response20 Hz - 20 kHz (+1, -2 dB) Wow and flutterBelow measurable limit Digital filter8 fs D/A converterMASH (1 bit DAC) GENERAL Power
16、 SupplyAC 120 V, 60Hz Power consumption165 W Power Consumption in standby mode0.34 W Dimensions (W x H x D)250 x 330 x 370 mm (9 27/32” x 13” x 14 3/8”) Mass7.6 kg (16.7 lb.) SYSTEM SC-AK310 (P)Music center: SA-AK310 (P) Speaker: SB-AK310 (P) SC-AK310 (PC)Music center: SA-AK310 (PC) Speaker: SB-AK31
17、0 (P) http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/PVAccel.html (2 of 3) 04/07/2003 10:18:59 RadioFans.CN 收音机爱 好者资料库 svcml.html 20.2 CD Loading Mechanism (RD- DAC026-S) 20.2.1 CD Loading Mechanism Parts Location 20.2.2 CD Loading Mechanism Parts List 20.3 Cabinet 20.3.1 Cabinet Parts Locatio
18、n 20.3.2 Cabinet Parts List 20.4 Electrical Parts List 20.5 Packing Materials QZZCWAT 12.1.1 Tape Speed Adjustment (Deck 1/2) 12.1.2 Bias and Erase Voltage Check 12.1.3 Bias Frequency Adjustment (Deck 1/2) TOP PREVIOUS NEXT http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1201000000.html 04/07/
19、2003 10:23:38 http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1201010000.html 12.1.1 Tape Speed Adjustment (Deck 1/2) TOP PREVIOUS NEXT 1. Set the tape edit button to “NORMAL” position. 2. Insert the test tape (QZZCWAT) to DECK 2 and playback (FWD side) the middle portion of it. 3. Adjust Moto
20、r VR (DECK 2) for the output value shown below. Adjustment target: 2940 3060 Hz (NORMAL speed) 4. After alignment, assure that the output frequency of the DECK 1 FWD are within 60 Hz of the value of the output frequency of DECK 2 FWD. Fig. 1 TOP PREVIOUS NEXT http:/202.224.189.178/sgml/viewing/SA-AK
21、310P/ALL/SVC/s1201010000.html 04/07/2003 10:23:40 http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1201020000.html 12.1.2 Bias and Erase Voltage Check TOP PREVIOUS NEXT 1. Set the unit “AUX” position. 2. Insert the Normal blank tape (QZZCRA) into DECK 2 and the unit to “REC” mode (use “ REC/STO
22、P” key). 3. Measure and make sure that the output is within the standard value. Bias voltage for Deck 2144mV (Normal) Erase voltage for Deck 2 80mV (Normal) TOP PREVIOUS NEXT http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1201020000.html 04/07/2003 10:23:44 http:/202.224.189.178/sgml/viewing/
23、SA-AK310P/ALL/SVC/s1201030000.html 12.1.3 Bias Frequency Adjustment (Deck 1/2) TOP PREVIOUS NEXT 1. Set the unit to “AUX” position. 2. Insert the Normal blank tape (QZZCRA) into DECK 2 and set the unit to “REC” mode ( use “REC/STOP” key). 3. Adjust L1002 so that the output frequency is within the st
24、andard value. Standard Value: 97 8 kHz TOP PREVIOUS NEXT http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1201030000.html 04/07/2003 10:23:48 http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1202000000.html 12.2 Tuner Section TOP PREVIOUS NEXT 12.2.1 AM-IF Alignment 12.2.2 AM RF Adjustment
25、 TOP PREVIOUS NEXT http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1202000000.html 04/07/2003 10:23:50 http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1202010000.html 12.2.1 AM-IF Alignment TOP PREVIOUS NEXT 1. Connect the instrument as shown in Fig.?. 2. Set the unit to AM mode. 3. Appl
26、y signal as shown in Fig. 1 from AM-SG. 4. Adjust Z102 so that the output frequency is maximized in Fig. 2. Fig.1 Fig.2 TOP PREVIOUS NEXT http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1202010000.html 04/07/2003 10:23:55 http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1202020000.html 12
27、.2.2 AM RF Adjustment TOP PREVIOUS NEXT 1. Connect the instrument as shown in Fig. 3. 2. Set the unit to AM mode. 3. Set AM-SG to 520kHz. 4. Receive 520kHz in the unit. 5. Adjust Z101 (OSC) so that the EVM-AC is maximized. 6. Set AM-SG to 600Hz. 7. Receive 600Hz in the unit. 8. Adjust Z101 (ANT) so
28、that the EVM-SG is maximized. 9. Set AM-SG to 520kHz. 10. Receive 520kHz in the unit. 11. Adjust Z101 (OSC) so that the EVM-DC value is with 1.10.5V. TOP PREVIOUS NEXT http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1202020000.html (1 of 2) 04/07/2003 10:24:04 http:/202.224.189.178/sgml/viewin
29、g/SA-AK310P/ALL/SVC/s1202020000.html http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1202020000.html (2 of 2) 04/07/2003 10:24:04 http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1203000000.html 12.3 Alignment Points TOP PREVIOUS NEXT 12.3.1 Cassette Deck Section 12.3.2 Adjustment Point T
30、OP PREVIOUS NEXT http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1203000000.html 04/07/2003 10:24:05 http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1203010000.html 12.3.1 Cassette Deck Section TOP PREVIOUS NEXT TOP PREVIOUS NEXT http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1203
31、010000.html 04/07/2003 10:24:09 http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1203020000.html 12.3.2 Adjustment Point TOP PREVIOUS NEXT TOP PREVIOUS NEXT http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1203020000.html 04/07/2003 10:24:11 http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL
32、/SVC/s1300000000 x.html 13 Illustration of ICs, Transistors and Diodes TOP PREVIOUS NEXT TOP PREVIOUS NEXT http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1300000000 x.html 04/07/2003 10:24:14 C1AA00000612 2 1 1 2 4 3 3 4 0N2180RLC1 AN7348S-E1 (24P) AN8885SBE1 (28P) BU2090AF-E2 (16P) C1BB00000
33、747 (42P) C2BB00000086 (18P) LA1833NMNTLM (24P) LC72131MDTRM (20P) KTA12710YTA KTC3205YTA KTD1146YTA 2SB621ARSTA B1AAKD000009 B0AACK000004 MA2C72300F MA2J72800L MA2C16500E C2BBGF000405 (100P) MN662790RSC (80P) C1ADCF000001 KRA102STA KRC101STA KRC102STA KTC3875GRTA KTD1304TA 2SC2412KT96R B1AAAC000011
34、 B1AAAD000013 B1AAGC000006 KTA1267GRTA KTC3199GRTA 1D3E RL1N4003N02 B0BA9R600002 B0BA6R800002 B0BA5R600016 MTZJ15CTA C0GAM0000005 B0CAAD000002 KRA102MTA KRA110MTA KRC102MTA KRC103MTA BC E 1 10 RSN315H42-P AN8739SBTE2 DAP202KT146 1 1818 2SK544F-AC 1SS380TE-17 B0BC3R700004 B0ACCK000005 UDZSTE175R1B UD
35、ZSTE177R5B 2SC2058SPTA KTC2026 KTA1046 BC E C0AABB000117 B1GACFGG0004 B0BA4R600003 http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1400000000 x.html 14 Terminal Function of ICs TOP PREVIOUS NEXT 14.1 IC701 (AN8885SBE1) Servo Amplifier 14.2 IC702 (MN662790RSC) Servo processor/ Digital signal pr
36、ocessor/ Digital filter/ D/A converter 14.3 IC703 (AN8739SBTE2) Focus coil/ Tracking coil/ Traverse motor/ Spindle motor driver 14.4 IC600 (C2BBGF000405) System Microprocessor TOP PREVIOUS NEXT http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1400000000 x.html 04/07/2003 10:24:33 http:/202.224.
37、189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1401000000.html 14.1 IC701 (AN8885SBE1) Servo Amplifier TOP PREVIOUS NEXT Pin No. Mark I/O Function 1PDEITracking signal input 1 2PDFITracjking signal input 2 3VCCIPower supply 4PDAIFocus signal input terminal 1 5PDBIFocus signal input terminal 2 6LPDIAPC amp
38、input 7LDOAPC amp output 8RFORFsumming output 9RFINIDetectors input 10CSBRTICapacitor for OFTR connection 11CEAICapacitor for HPF amp connecrtion 12BDOOBDO output (“H” : drop out) 13LDONIAPC control 14GND-Ground 15/RFDETONRFDET output (“L” : detection) 16PDOWNOPower-down input 17OFTROOFTR 18NCON.C.
39、19ENVO3T-ENV output 20NCIN.C. 21NCIN.C. 22TENITE amp input 23TEOUTOTE amp output 24FEOUTOFE amp output 25FENIFE amp input 26VREFOReference voltage 27TBALITracking balance control 28FBALIFocus balance control http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1401000000.html (1 of 2) 04/07/2003 10
40、:24:36 http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1401000000.html TOP PREVIOUS NEXT http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1401000000.html (2 of 2) 04/07/2003 10:24:36 http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1402000000.html 14.2 IC702 (MN662790RSC) Servo proce
41、ssor/ Digital signal processor/ Digital filter/ D/A converter TOP PREVIOUS NEXT Pin No. Mark I/O Function 1BCLKON.C. 2LRCKON.C. 3SRDATA ON.C. 4DVDD1IPower supply input ( for digital circuit) 5DVSS1IGND (digital circuit) 6TXODigital audio interface signal output (Latches data at first transition) 7MC
42、LKIMicroprocessor command clock signal input 8MDATAIMicroprocessor command data signal input 9MLDIMicroprocessor command load signal input 10SENSEOSense signal output (OFT,FESL,MAGEND, NAJEND,POSAD,SFG) (not used,open) 11/FLOCKOFocus servo feeding signal output (“L” : Feed) 12/TLOCKOTracking servo f
43、eeding signal output (“L” : Feed) 13BLKCKOSub-code block clock signal output (BLKCKf = 75Hz during normal playback) 14SQCKIExternal clock signal input for sub-code Q resistor 15SUBQIsub-code Q code output 16DMUTEIMutting input (“H” : mute) 17STATOStatus signal output (CRC,CUE,CLVS,TTSTVP, FCLV,SQCK)
44、 18/RSTIReset signal input 19SMCKO1/2-diveded clock signal of crystal osscillating at MSEL = “H” (fSMCK = 8.4672 MHz) 1/4 divided clock signal of crystal oscillating at MSEL = :L:(fSMCK = 4.2336MHz) 20CSELIFrequency Selection Terminal H = 33.8688 MHz ; L = 16.9344MHz 21TRVON.C 22TVDOTraverse drive o
45、utput 23PCOSpindle motor ON output (“L” : N) http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1402000000.html (1 of 3) 04/07/2003 10:24:39 http:/202.224.189.178/sgml/viewing/SA-AK310P/ALL/SVC/s1402000000.html 24ECMOSpindle motor drive signal output (focred mode output) 25ECSOSpindle motor drive
46、 signal output (servo error signal output) 26KICKON.C. 27TRDOTracking drive output 28FODOFocus drive output 29VREFID/A (drive) output (TVD, ECS, TRD, FOD, FBAL, TBAL Reference voltage input 30FBALOFocus balance adjustment output 31TBAL OTracking balance adjustment output 32FEIFocus error signal inpu
47、t (analog input) 33TEITracking error signal input (analog input) 34RFENVIRF envelope signal input 35VDETIVibration detection signal input (“H” ;detection) 36OFTIOff-track signal input (“H” : off track) 37TRCRSITrack cross signal input 38/RFDETIRF detection signal input (“L” : detection) 39BDOIDroput
48、 signal input (“H” : Dropout) 40LDONOLaser on signal output (“H” : ON) 41PLLF2I/ON.C. 42DSLF2OTracking Offset alignment output/DSL Balance Output (DA Output) 43WVELON/C. 44ARFIRF signal input 45IREFIReference current input 46DRFIDSL bias terminal (not used, open) 47DSLFI/ODSL loop filter terminal 48
49、PLLFI/OPLL loop filter terminal 49VCOFI/OVCO loop filter terminal 50AVDD2IPower supply input (for analog circuit) 51AVSS2IGND (for analog circuit) 52EFM-FM signal output 53PCK-PLL extraction clock output (fPCK = 4.321 MHz during normal playback) 54VCOF2I/OVCO Loop filter for 33.8688MHz conversation terminaal for 16.9344 MHz crystal mode, must use other circuit 55SUBCOSub-code serial data output 56SBCKIClock input for sub-code serial data 57VSS iGND 58X1 INICrystal oscullating circ
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