Panasonic SA-AK48 Скачать руководство пользователя

Страница: 73 / 104

M38199MF227

IC600

SYSTEM CONTROL / FL DRIVE

DECK1

DECK2

R ch

PMOUT

+B6

14,16

GND

1/2

ENB

D633

ANF

M62457FPE1

IC603

SPE. ANALYZER AMP

SPE

SPC

SPB

D634

D635

SER3

SER4

M62433AFP

IC303

DIGITAL SOUND

CONTROLLER

MUTING

CONT.

Q400

(Q200)

Q306

-B1

MUTEA

D629

BLKCK

MLD/PLL CE

MLD

MDATA

MCLK

MDATA/PLL DATA

MCLK/PLL CLK

SQCLK

CDRST

RESTSW

D640

D641

D642

PLLCK

PLLD

PLLCE

TUS

TPS

STAT

SUBQ

BLKCK

SQCK

RESTSW

D644

ST/DO/SUBQ

DO/ST

SWITCHING

Q901

SWITCHING

Q903

SWITCHING

Q902

D645

SER3

OUT

SER5

MKCLK

SER2

MKD

(67)

(68)

(69)

OFF

(71)

(70)

(66)

(62)

(63)

(38)

(39)

(41)

(42)

(43)

Graphic
equalizer

(44)

9~20

(45~56)

FILTER

(60)

(58)

DGND

GND

Microcomputer

interface

(57)

(37)

+B4

-B3

Rch

(59)

N F

Rch

SWITCH-

ING

Q304

AUX

(To CD CHANGER

SECTION)

CD P.B.signal

D647

(To CD CHANGER

SECTION)

/RST

TPS

VR601

(MIC

VOLUME)

MIC

AMP

Q600,601

+B4

MIC SW

SA-AK48

Содержание SA-AK48

Страница 1: ...GC Asia Latin America Middle East and Africa TAPE SECTION AR2 MECHANISM SERIES CD SECTION RAE0152Z M TRAVERSE DECK SERIES SYSTEM SC AK48 CASSETTE DECK SECTION Track system 4 track 2 channel Heads Record playback Soild permalloy head Erasure Double gap ferrite head Motor DC servo motor Recording system AC bias 100kHz Erasing system AC erase 100kHz Tape speed 4 8cm s Frequency response 3 6dB at DECK...

Страница 2: ...ocedure for Self operation of Cassette Mechanism Ass y 31 9 1 Operation Check Providing with Cassette Tape 31 9 2 Operation Check Not Provided with Cassette Tape 31 Weight 9 0kg Notes 1 Specifications are subject to change without notice Weight and dimensions are approximate 2 Total harmonic distortion is measured by the digital spectrum analyzer SYSTEM SC AK48 Main unit SA AK48 Speakers SB AK48 1...

Страница 3: ...cuitry damage if for example the positive and negative speaker connection wires are shorted or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used If this occurs follow the procedure outlines below 1 Switch OFF the power 2 Determine the cause of the problem and correct it 3 Switch ON the power once again Note When the protection circuitry function...

Страница 4: ... the laser power it has been adjusted at the factory as shown in Fig 1 Fig 1 4 2 Grounding for electrostatic breakdown prevention 1 Human body grounding Use the anti atatic wrist strap to discharge the static electricity from your body 2 Work table grounding Put a conductive material sheet or steel sheet on the area where the optical pickup is placed and ground the sheet sa shown in Fig 2 Fig 2 Ca...

Страница 5: ...5 Precaution of Laser Diode 5 SA AK48 ...

Страница 6: ...6 Location of Controls 6 SA AK48 ...

Страница 7: ...7 Location of Controls for Remote Control Transmitter 7 SA AK48 ...

Страница 8: ...t boards and replacing the main components For reassembly after operation checks or replacement reverse the respective procedures Special reassembly procedures are described only when required 8 1 Checking for the main P C B 8 Operation Checks and Component Replacement Procedures 8 SA AK48 ...

Страница 9: ...s shown below 8 2 Disassembly for the CD changer ass y The CD changer unit can be removed until the tray base ornament would removed 8 2 1 Disassembly for the disc tray ornament Follow the Step 1 Step 3 of item 8 1 9 SA AK48 ...

Страница 10: ...8 2 2 Disassembly for the CD changer unit Follow the Step 1 Step 3 of item 8 1 Follow the disassembly instruction for the disc tray ornament of item 8 2 1 10 SA AK48 ...

Страница 11: ...ontally when loading the CD changer unit 8 3 1 Initial setting of CD unit Follow the Step 1 Step 3 of item 8 1 Follow the disassembly instruction for the disc tray ornament of item 8 2 1 Follow the disassembly instruction for the CD changer unit of item 8 2 2 11 SA AK48 ...

Страница 12: ...of CD unit in item 8 3 1 Check the CD servo P C B as shown below 8 3 3 Checking for the FL P C B and cassette mechanism control P C B The initial setting of CD unit must be completed Refer to the initial setting of CD unit in item 8 3 1 Check the FL P C B and cassette mechanism control P C B as shown below 12 SA AK48 ...

Страница 13: ...tting of CD unit in item 8 3 1 Check the power supply P C B as shown below 8 4 Replacement for the traverse deck ass y Follow the Step 1 Step 3 of item 8 1 Follow the disassembly instruction for the disc tray ornament of item 8 2 1 Follow the disassembly instruction for the CD changer unit of item 8 2 2 13 SA AK48 ...

Страница 14: ...14 SA AK48 ...

Страница 15: ...15 SA AK48 ...

Страница 16: ...t for the disc tray Follow the Step 1 Step 3 of item 8 1 Follow the disassembly instruction for the disc tray ornament of item 8 2 1 Follow the disassembly instruction for the CD changer unit of item 8 2 2 16 SA AK48 ...

Страница 17: ...17 SA AK48 ...

Страница 18: ...w the Step 1 Step 11 of item 8 1 Follow the disassembly instruction for the disc tray ornament of item 8 2 1 Follow the disassembly instruction for the CD changer unit of item 8 2 2 Follow the Step 1 Step 9 of item 8 4 Follow the Step 1 Step 11 of item 8 5 18 SA AK48 ...

Страница 19: ...19 SA AK48 ...

Страница 20: ...20 SA AK48 ...

Страница 21: ...21 SA AK48 ...

Страница 22: ...22 SA AK48 ...

Страница 23: ...23 SA AK48 ...

Страница 24: ...y Follow the Step 1 Step 3 of item 8 1 Follow the disassembly instruction for the disc tray ornament of item 8 2 1 Follow the disassembly instruction for the CD changer unit of item 8 2 2 Follow the Step 1 Step 10 of item 8 5 24 SA AK48 ...

Страница 25: ... head block Follow the Step 1 Step 3 of item 8 1 Follow the disassembly instruction for the disc tray ornament of item 8 2 1 Follow the disassembly instruction for the CD changer unit of item 8 2 2 Follow the Step 1 Step 3 of item 8 3 3 25 SA AK48 ...

Страница 26: ...26 SA AK48 ...

Страница 27: ...g belt Follow the Step 1 Step 3 of item 8 1 Follow the disassembly instruction for the disc tray ornament of item 8 2 1 Follow the disassembly instruction for the CD changer unit of item 8 2 2 Follow the Step 1 Step 3 of item 8 3 3 Follow the Step 1 Step 11 of item 8 8 27 SA AK48 ...

Страница 28: ...28 SA AK48 ...

Страница 29: ... the disassembly instruction for the disc tray ornament of item 8 2 1 Follow the disassembly instruction for the CD changer unit of item 8 2 2 Follow the Step 1 Step 5 of item 8 3 3 Follow the Step 1 Step 6 of item 8 8 8 11 Replacement for the cassette lid ass y Follow the Step 1 Step 3 of item 8 1 29 SA AK48 ...

Страница 30: ...8 12 Measure for tape trouble Follow the Step 1 Step 3 of item 8 1 30 SA AK48 ...

Страница 31: ...ly power to the plunger for ordinary duration Duration approx 200msec e REV REW At REV PLAY mode supply power to the plunger momentary Duration approx 50msec f STOP At REV REW mode supply power to the plunger momentary Duration approx 50msec Repeat the above operation to FWD PLAY mode Note Incorrect duration for power supply may be operated to other mode 9 1 1 Connection Diagram Between the Mechan...

Страница 32: ...conds afterwhich it will STOP 6 Load a pre recorded tape with both recording tabs intact and close the cassette holder 7 Press TUNE TIME ADSJ button 8 Press REC STOP button Tape will not move 9 Press TUNE MODE button to indicate Error Code Error Code is displayed for DECK1 when DECK selector is switched to DECK1 and display for DECK2 when it is switched to DECK2 10 Press TAPE DECK1 2 button to sel...

Страница 33: ...Up REST SW S701 is not detected within the specified time about 8 seconds 2 CD tray opens automatically F16 CLAMP switch S4 NG Check Replace 3 Does not startup when TUNE TIME ADJ button is pressed F17 BOTTOM switch S5 NG Check Replace 4 Transmission error between CD servo LSI and micon F26 CD does not function This error occurs when the POWER is ON for the CD block and an error is detected after t...

Страница 34: ...being connected only and CD Automatic Alignment result is shown on FL display How to set CD test mode CD Automatic Alignment result indication Under CD test mode pressing the numeric key 0 on the remote controller will display the auto adjustment result FLOCK TLOCK and CLVS status shall be shown as bellow 12 CD Test Mode Function 34 SA AK48 ...

Страница 35: ... Set the unit to AM mode 3 Apply signal sa shown in Fig 1 from AM SG 4 Adjust Z102 so that the output frequency is maximized in Fig 2 Fig 1 Fig 2 13 1 3 AM RF Adjustment 1 Connect the instrument as shown in Fig 3 2 Set the unit to AM mode 3 Set AM SG to 522kHz 4 Receive 522kHz in the unit 5 Adjust Z101 OSC so that the EVM AC is maximized 6 Set AM SG to 603kHz 7 Receive 603kHz in the unit 8 Adjust ...

Страница 36: ...rument as shown in Fig 7 2 Playback the azimuth adjustment portion 8kHz 20dB of test tape QZZCFM Adjust the azimuth adjusting screw until the outputs of the L R ch are maximized Refer to Fig 8 Make sure that the difference in the peak level between the left and right channels does not exceed 0 5dB 3 Perform the same adjustment in reverse playback mode Checking of the level difference forward and r...

Страница 37: ...C mode use REC STOP key 3 Measure and make sure that the output is within the standard value 4 Insert the CrO2 tape QZZCRX 5 Repeat step 2 and 3 Standard value Normal 14 4mV Standard value CrO2 17 5mV Fig 12 13 2 6 Erase Voltage Check 1 Set the unit to AUX position 2 Insert the Normal blank tape QZZCRA into DECK2 and set the unit to REC mode use REC STOP key 3 Measure and make sure that the output...

Страница 38: ...CDTA D G S 2SB1436R 2SC2002KTA 2SC2786MTA 2SC2787FL1TA E C B 2SA1037AKSTX 2SC2412KT96R 2SD2114K1V DTA114EKA146 DTA143XKA146 DTC114TKA146 E C B DTC144TKA146 KRA102STA KRC102STA KRC111STA KTC3875GRTA KTD1304TA 2SK544F AC D G S 1D3E RL1N4003S P A Ca Anode Cathode MTZJ10BTA MTZJ12BTA MTZJ15CTA MTZJ16BTA MTZJ30BTA MTZJ4R7BTA MTZJ7R5ATA A Ca Anode Cathode MA165TA RVD1SS133TA A Ca Anode Cathode 1SS291TA ...

Страница 39: ...Standby on switch I S639 3D AI EQ switch 3D AI EQ S640 TRI AMP control switch MID S641 TRI AMP control switch HIGH S701 Rest switch REST S951 Deck1 mode detect switch MODE S952 Deck1 half detect switch HALF S953 Deck1 CrO2 tape detect switch ATS CrO2 S971 Deck2 mode select switch MODE S972 Deck2 half detect switch HALF S973 Deck2 CrO2 tape detect switch ATS CrO2 S974 Deck2 reverse side record prev...

Страница 40: ...704 1K R706 1K I H G F E D C C742 0 027 B A R701 4 7 C701 6 3V33 CN701 RF TP29 C716 820P TJ701 A B C D E D E C A B D C B A C751 0 1 C750 0 1 VREF C702 0 1 C706 2700P C707 0 027 C704 0 1 C703 6 3V100 Q701 2SA1037AKSTX LASER POWER DRIVE IC701 AN8839NSBE2 SERVO AMP IC703 AN8739SBE2 FOCUS COIL TRACKING COIL TRAVERSE MOTOR SPINDLE MOTOR DRIVE TRACKING COIL FOCUS COIL 0 1 2 12 11 3 8 10 5 4 9 680P 680P ...

Страница 41: ...13 TP12 TP8 TP7 TP6 TP4 TP2 I H G F E D C B A S701 REST TP16 C745 1000P A B C D E F G H I G F E D C B A A B C D E F G H I R712 220 C718 0 22 C717 0 1 C744 8200P R709 68K R741 47K R711 82K C722 10P X701 16 9344MHz C721 10P C724 0 1 C723 10V220 IC702 MN662790RSC SERVO PROCESSOR DIGITAL SIGNAL PROCESSOR DIGITAL FILTER D A CONVERTER B 2 Rch OUT RST STAT SUBQ SQCK BLKCK P GND MDATA MCLK TX B 1 D GND LD...

Страница 42: ...10K D1172 MA8047MTX R1174 10K C1174 50V4 7 D1174 MA8036HTX C1184 1500P R1172 330 R1170 1K C1173 0 01 ERASE CURRENT CHECK POINT Q1173 DTC144TKA146 BIAS OSC CONT CrO2 Q1101 2SJ498CDTA HEAD SELECT REC ON Q1103 2SJ498CDTA HEAD SELECT PLAY ON Q1104 2SJ498CDTA HEAD SELECT PLAY ON Q1102 2SJ498CDTA HEAD SELECT REC ON G D S Q1175 1176 2SC2002KTA BIAS OSC Q1174 2SC2412KT96R BIAS OSC CONT L1202 47 H Q1179 2S...

Страница 43: ... R1116 390K C1130 820P C1132 820P C1144 50V4 7 R1122 33K R1124 10K R1126 1K C1140 16V10 C1141 50V0 1 R1134 470K C1142 0 022 R1133 3 3K C1134 50V4 7 Q1108 DTC144TKA146 P B EQ REC EQ CrO2 H SPEED A B C D E F 2 R1206 220 Q1203 2SD965RTA MOTOR DRIVE W1200 A B Q1206 1207 2SB621RTA SOLENOID DRIVE Q1206 Q1207 R1221 2 7 R1225 2 7 C1201 16V100 Q1208 Q1209 R1226 1K R1227 1K D1202 MA111TX D1201 MA111TX Q1208...

Страница 44: ...145 10K C1145 16V10 F B A C B C C1150 10V47 R1139 10K D1173 MA111TX 47K 47K Q1151 1152 DTC144TKA146 SWITCHING PLAY ON Q1152 Q1151 C1162 16V100 A E D R1196 47K R1161 4 7K Q1116 R1197 47K R1162 4 7K C1152 16V10 Q1115 R1186 1K Q1115 1116 2SD2114K1V MUTING C1186 10V47 R1156 220 Q1154 Q1153 1154 2SC2412KT96R BUFFER AMP C1154 1000P C1153 1000P R1155 220 Q1153 R1152 1M R1154 1 2K R1153 1 2K C1166 16V10 R...

Страница 45: ...1233 2 2K C1187 100P R1236 4 7K R1235 4 7K C1202 0 1 R1230 4 7K 10K 4 7K 10K 4 7K R1232 1K R1106 2 2K D C B A Q1218 DTA114EKA146 SWITCHING REC ON Q1220 DTA143XKA146 MOTOR DRIVE D E F C B A 1 2 3 4 5 6 7 4 7K 50K 25K 4 7K 4 7K 4 7K 50K 50K 50K 50K 25K 25K Z1101 SCHEMATIC DIAGRAM 6 To MAIN DSC CIRCUIT CN304 on SCHEMATIC DIAGRAM 9 E To FL CIRCUIT H600 on SCHEMATIC DIAGRAM 13 K TP10 TP9 0V 4 8V 0V 0V ...

Страница 46: ...UIT R103 270 C101 0 01 C102 16V100 R151 82 R152 0 2 3 4 5 1 7 8 6 R1A 100K R7 2 7K C9 2 2P C7 4 7P C8 3 3P R8 680K R9 390 R11 680K R10 390 R6 390 C10 18P C6 3 3P C5 5 6P R5 560K C4 180P C3 2 2P R3 220 C2A 1000P R2 100K C1A 5 6P FM FRONT END CIRCUIT L2 0 47 H L1 1 2 H D3 SVC211SPA AL Q3 2SC2787FL1TA LOCAL OSC Q4 2SC2787FL1TA BUFFER AMP R4 100K D1A SVC211SPA AL G S D Q1A 2SK544F AC RF AMP D2A SVC211...

Страница 47: ...121 22K C139 25V4 7 R102 4 7K C119 680P C116 0 033 R143 22K C115 25V4 7 R120 47K C109 1000P C114 50V3 3 R118 3 3K A D B C R104 1K C103 0 01 C104 1000P R105 470 CF201 R106 470K 1 3 2 CF202 IC101 LA1833NMNTLM FM AM IF AMP DET AM OSC MIX FM MPX Q106 KRA102MTA POWER SUPPLY FM ON 9 8 7 6 5 SD Lch OUT GND CL DO DI CE Rch OUT To MAIN DSC CIRCUIT on SCHEMATIC DIAGURAM 9 B Q101 2SC2058SPTA FM IF AMP R107 3...

Страница 48: ...1 1000P R210 1K R410 1K R409 47K R209 47K M N Q351 KRC102STA PLUNGER DRIVE Q350 2SB621ARSTA PLUNGER DRIVE R349 10K R350 1K D316 RL1N4003S P C236 0 47 R346 22K R345 220 14 2 1 3 4 5 6 7 8 9 10 11 12 13 CN1 PLUNGER S2 TRAY POSITION2 DET S1 TRAY POSITION1 DET S3 OPEN DET IC1 TA7291P MOTOR DRIVE A B C D 14 2 1 3 4 5 6 7 8 9 10 11 12 13 8 7V M 1 2 3 4 5 6 7 8 9 10 R1 1K C1 16V100 D2 MTZJ4R7BTA Q1 RVTDT...

Страница 49: ...R TAPE PB CD EXT IN PHONO AUX AVss AGND PHONO AUX EXT IN CD TAPE PB TUNER VIDEO MD DEL L ch R ch 33 GRAPHIC EQUALIZER GRAPHIC EQUALIZER C314 150P R323 2 2K R455 10K R456 4 7K R453 4 7K R452 10K C423 50V10 R418 3 3K R417 68K R416 2 2K C420 1000P C422 470P C421 0 068 C313 0 1 C316 150P R324 2 2K R325 2 2K P Q R216 2 2K R217 68K R218 3 3K C220 1000P C222 470P C221 0 068 C223 50V10 D302 UDZSTE175R1B R...

Страница 50: ...315 D317 1SS355TE17 D315 D317 R232 3 9K R357 100K R356 15K D201 R230 47K C234 0 068 R234 2 2K C240 50V3 3 C241 100P R231 18K R240 43K C235 6800P D201 1SS355TE17 R440 43K D401 1SS355TE17 R430 47K D401 C441 100P R431 18K C435 6800P C434 0 068 R432 3 9K R434 2 2K C440 50V3 3 C436 100P R444 22K R342 18K R334 240K R336 18K R337 8 2K C322 0 068 C321 10V33 R343 6 8K C323 0 068 C327 0 1 C328 0 047 C326 82...

Страница 51: ...AMP MID S641 TRI AMP HIGH R602 6 8K CP600 CN600 R936 10K F G H I S611 TAPE R610 1K S608 CD R607 1K S605 TUNER R603 1 2K R641 1 8K S628 ECD MODE R639 1K S621 PLAY REC R634 1K S625 CLOCK TIMER R629 1 2K S631 RANDOM R604 1 8K S619 DISPLAY DEMO R600 2 2K S615 S WOOFER VBASS R623 2 7K R635 4 7K R630 6 8K R618 10K S614 EQ R615 22K S639 3D AI EQ R636 68K R621 220 D603 LNJ301MPUJAD S WOOFER R625 330 D600 ...

Страница 52: ...PLY CONT Q610 2SA933SSTA POWER SUPPLY R938 4 7K R937 470K D643 RVD1SS133TA 1 2 3 VDD GND OUT Z602 RCDRPM6937H4 REMOTE SENSOR R700 47 C640 50V4 7 C622 0 01 R950 22K D644 RVD1SS133TA D645 RVD1SS133TA R658 100 B A C D E R662 1K C613 680P C614 680P IC601 BU2090AF E2 LED DRIVE C611 0 1 8 9 7 10 6 11 5 12 4 13 3 2 1 14 15 16 MUTE A CLK LEDCTL REC PLAY TIMER G5 G4 G3 G2 G1 Vcc DATA GND CD PCONT D605 SLI3...

Страница 53: ...53 SA AK48 ...

Страница 54: ... 35V22 C660 50V3 3 R922 68 R925 68 L605 100 H D636 MA4020LTA R907 100K R701 330 A B C D E F G H I J K L M N O P Q R S T U V W A B C D E F G H I J K L M N O P Q R S T X U V C653 10V330 C634 35V22 R914 100K L604 100 H D637 1SS291TA A B C Q605 606 KTC3199GRTA FL DRIVE Q605 Q606 R699 220 R901 220 R903 220 R905 220 R906 220 R908 150 R909 220 R698 330 R913 330 R952 330 R915 330 R664 100K R665 100K R666 ...

Страница 55: ...4 7K R509 3 9K 10 11 C593 50V10 R526 4 7K R580 18K R581 18K R549 15K R550 15K R568 22K R508 4 7K R561 10K C547 6 3V100 P GND B 5 LED9V 12 2 1 3 4 5 6 7 8 9 H Lch IN CD B 3 10 11 GND1 H Rch IN LOW Rch IN GND1 LOW Lch IN DC DET P CONT HP SW F CP501 D502 RL1N4003S P D503 RL1N4003S P A B E B F A C D R511 1M C506 1800P R510 18K C504 1800P R525 18K C517 50V1 C555 1800P C548 1800P R570 10K R566 20K R562 ...

Страница 56: ... 1D3E C574 35V4700 D524 1D3E C571 35V4700 C573 35V5600 C583 0 18 R593 820K D521 1D3E C578 0 01 R594 3 3K R574 2 7K D528 RVD1SS133TA D528 D522 MTZJ15CTA R577 2 2 D520 1D3E R572 2 2 Q519 2SB1436R POWER SUPPLY Q516 KTC3199GRTA POWER SUPPLY CONT C546 100V10 R569 3 9K R551 2 2K Q509 KRC110MTA SWITCHING Q512 2SC1740SSTA RELAY DRIVE D513 KBP152G4R5 Q508 KTC3199GRTA SWITCHING C537 6 3V220 R539 56K R547 82...

Страница 57: ...AY DRIVE D977 RVD1SS133TA RL502 CN502 R976 10K R977 10K C975 35V4 7 D979 1D3E D980 1D3E C978 0 01 C977 16V1000 D981 1D3E C976 16V1000 C979 1000P R983 1 2K R984A 1 5K D982 MTZJ7R5ATA D983 1D3E D984 1SS291TA C980 0 01 C981 10V47 D978 1D3E R985 18 R980 18 R981 22 R982 820K Q976 2SD2144STA POWER SUPPLY SCHEMATIC DIAGRAM 18 AC IN CIRCUIT N 2 1 3 4 5 6 7 8 9 10 11 12 13 A B C D E F CN501 A B C D E F AC1...

Страница 58: ... 3 2 1 W1 D1 Ca A C E BOTTOM SW P C B G REP2578A N S5 IC701 IC702 IC703 Q701 X701 S701 CN701 CN702 M701 M702 TJ701 R701 R702 R704 R705 R706 R707 R708 R709 R711 R712 R714 R715 R717 R718 R721 R723 R724 R725 R727 R728 R729 R731 R735 R736 R741 R742 R744 R749 R750 R753 RJ701 RJ702 RJ704 RJ707 RJ708 RJ709 RJ710 RJ712 RJ715 RJ716 RJ721 2D 3B 5D 4D 2C 4C 4D 3A 5B 4C 2D 2D 3D 3C 3C 3C 3D 3D 2C 2C 2C 2C 4C ...

Страница 59: ...2 R1154 R1151 R1153 RJ1273 R1158 TP9 GND TP10 TP4 TP11 TP12 TP5 TP3 TP2 TP1 REPX0169J ELECTRICAL PARTS LOCATION Ref No Lo No Ref No Lo No Ref No Lo No MECHANISM CONTROL P C B B IC1101 IC1102 IC1105 Q1101 Q1102 Q1103 Q1104 Q1107 Q1108 Q1115 Q1116 Q1118 Q1119 Q1120 Q1121 Q1151 Q1152 Q1153 Q1154 Q1171 Q1173 Q1174 Q1175 Q1176 Q1179 Q1203 Q1206 Q1207 Q1208 Q1209 Q1218 Q1220 D1171 D1172 D1173 D1174 D117...

Страница 60: ... R103 R115 R128 R116 R130 R121 R151 R137 R136 R135 R134 R133 R117 R138 R141 R145 R142 R146 R129 R127 R123 R143 R102 R120 R132 R152 R122 C300 C103 R111 R114 R113 C110 C112 C132 C117 C118 C137 C138 C131 C133 C124 C143 C116 C144 C113 C134 C101 C104 C109 C149 C106 C136 C126 C148 C147 D101 C303 R435 R434 R357 R356 R231 R430 R444 R440 R431 R232 R234 R342 R426 R334 R212 R208 R209 R202 R402 R301 R240 R343...

Страница 61: ...4F 4F 4F 4F 4F 4F 3F 3F 2F 6E 2F 2E 3F 3F 4F 4F 6D 6E 7B 6E 6E 3A 3B 3B 3B 4B 2B 2B 3C 3A 3A 3A 4B 3C 4C 4B 4B 4B 4B 5B 5B 5B 4B 4B 3A 4B 3C 3B 4A 4B 4A 4A 4A 4C 4B 5B 4B 4B 4B 5B 5B 3B 3B 4B 3D 3E 3E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 5E 3E 3E 3E 5E 6C 2F 3D 4D 6E 5D 6D 5D 5D 5D 5D 6D 6D 5D 6D 5D 6D 6D 6D 6D 6D 5E 4F 4F 4F 4F 4F 4F 4F 5F 3F 3F 3F 3F 2F 3E 3F ELECTRICAL PARTS LOCATION Ref No Lo No Ref ...

Страница 62: ... CP605 14 15 16 17 18 19 20 J J J J J J J J J J J J J J J J J J R921 R941 R931 R947 R946 R948 C665 C644 C635 C636 C631 C630 C637 C638 C639 C643 C645 C657 C902 X600 X601 B C E Q605 R945 R689 R696 C646 C663 C670 J J J J J J R936 R621 R623 R951 R904 R902 R937 R938 J 8 7 6 5 4 3 2 1 H600 B C E Q610 B C E Q611 J C605 C666 C607 C686 VR601 MIC VOLUME C608 C602 C610 C600 R632 R651 R619 R963 R628 R643 R620...

Страница 63: ...04 R607 R610 R615 R618 R619 R620 R621 R622 R623 R625 R626 R627 R628 R629 R630 R632 R634 R635 R636 R637 R639 R641 R642 R643 R651 R658 R662 R663 R664 R665 R666 R667 R668 R669 R670 R671 R672 R673 R674 R675 R676 R678 R679 R680 R681 R682 R683 R684 R685 R686 R687 R688 R689 R690 R691 R692 R693 R694 R695 R696 R697 R698 R699 R700 R701 R900 R901 R902 R903 R904 R905 R906 R907 R908 R909 R911 R912 R913 R914 R9...

Страница 64: ...s so the cut corner is located upper right Refer to the figure below 0N2180RLC 0N2180RLC1 Parts No Direction Remarks Note for IC971 replacement Two different types old or new parts are mounted on P C B as for IC971 When servicing care to replace the parts due to those shape Replacement procedures Old New Mount the parts on given position Printed pattern on P C B Mount the parts so the cut corner i...

Страница 65: ...DECK 2 OPEN S641 TRI AMP HIGH S640 TRI AMP MID S601 TRI AMP LOW D607 TRI AMP OPERATION 2 P C B J REPX0217B 1 3 2 S600 SOUND CONTROL JOG ELECTRICAL PARTS LOCATION OPERATION 2 P C B J Ref No Lo No Ref No Lo No OPERATION 1 P C B I D607 S601 S603 S606 S609 S612 S616 S620 S629 S632 S634 S637 S640 S641 SW600 CP600 R602 R605 R608 R611 R616 R624 R633 R640 R645 R646 R647 R648 R652 R677 R910 R935 C632 C633 ...

Страница 66: ...MID 6 LOW 6 LOW 6 MID 6 HIGH 6 L L L R R R SPEAKERS REPX0218B E501 ELECTRICAL PARTS LOCATION Ref No Lo No Ref No Lo No Ref No Lo No POWER AMP P C B L IC500 IC501 Q500 Q501 Q502 Q503 Q505 Q507 Q508 Q509 Q510 Q511 Q512 Q514 Q515 Q516 Q517 Q518 Q519 Q520 Q521 D501 D502 D503 D504 D505 D506 D507 D508 D509 D512 D513 D514 D515 D516 D517 D518 D519 D520 D521 D522 D523 D524 D526 D528 RL501 CP500 CP501 JK501...

Страница 67: ...C2 FC1 F2 T2A FC4 FC3 W1A Z501 J J JK500 J J 110 127 220 230 240V 50 60Hz AC IN J J J J J S501 VOLT ADJ J W8 W9 W10 W6 W5 W7 1 8 7 6 5 4 3 2 REPX0202C PL1 IC1 Q1 D2 S1 W2 RM1 R1 C1 ELECTRICAL PARTS LOCATION MOTOR P C B H Ref No Lo No Ref No Lo No Ref No Lo No Ref No Lo No AC IN P C B N S2 S3 CN1 W1 C2 W9 W10 JK500 T502 S501 Z501 PL1 F1 F2 CN500 W1A 3C 4C 4C 3B 4B 3C 4C 5C 4C 2B 3C 2C 2B 2D 4E 2E 3...

Страница 68: ...79 E C B Q978 E C B Q976 D981 C978 B C E Q975 T501 POWER TRANSFORMER REPX0202C ELECTRICAL PARTS LOCATION Ref No Lo No Ref No Lo No POWER TRANSFORMER P C B M W7 W8 W9 R976 R977 R978 R979 R980 R981 R982 R983 R984 R985 R986 C975 C976 C977 C978 C979 C980 C981 Q975 Q976 Q977 Q978 D977 D978 D979 D980 D981 D982 D983 D984 T501 RL502 CN501 CN502 W1A W10 W5 W500 W6 3B 3B 2B 3B 3C 3B 3C 3C 3B 3C 2B 2B 5C 4C ...

Страница 69: ...E MOTOR M701 TRAVERSE MOTOR VREF 22 17 16 D4 D4 11 10 D1 D1 13 12 D2 D2 TRV TRV M 1 IN3 24 IN4 23 15 14 D3 D3 RST PGND1 PGND2 8 19 B1 7 20 PVcc1 PVcc2 IN1 6 IN2 3 PC2 4 TRD FOD TVD ECS ECM PC ENV OFTR RFDET FE OUT VCC VREF GND TEOUT PDOWN FBAL TBAL PDF PDE PDB LDON PDA LD LPD RF RFIN CSBRT CEA E E F F B C C A D D SP SP M Vref TEIN 22 RF TJ701 BDO DET 12 BDO FE IN 25 VREF LDON SEMICONDUCTOR LASER L...

Страница 70: ...TLOCK FBAL FBAL TBAL TBAL FOD FOD TRD TRD TVD TVD VREF VREF TRV KICK DSLF2 DSLF2 DMUTE BCLK SRDATA LRCK PC PC ECS ECS ECM ECM IPFLAG FLAG 11 12 30 31 28 27 22 29 21 26 42 16 1 3 2 23 25 24 64 65 6 TX AV DD 1 72 V CC 5V 77 71 TEST 18 RST B2 B2 DSLF2 45 IREF B2 B2 X701 16 9344MHZ B2 S701 REST RESTSW BLKCK SUBQ STAT MDATA MCLK MLD SQCK BLKCK SQCK SUBQ STAT MDATA MCLK MLD RST To MAIN SECTION 8 TIMES O...

Страница 71: ...SET GND 5 7 ST MONO FM AM SD FMDET FM IF IN OSC OUT AFC OSC AM RF IN AGC AM OUT DET OUT PILOT IN MPX IN PILOT OUT Lch 14 Rch 17 18 AIN AOUT AM ANT COIL AM OSC COIL Z101 AM ANT B4 STRQ AM IF IN AM MIX OUT Rch LA1833NMNTLM IC101 FM AM I F AMP DET AM OSC MIX FM MPX BUFFER AMP COMP AM FM IF BUFFER LEVEL DET S CURVE FM DET TUNING DRIVE PHASE DET STEREO SWITCH PILOT CANCEL DECODER PILOT DET PHASE DETECT...

Страница 72: ...KDATA 14 2PL D971 Q1206 1208 SOLENOID B5 B6 1M 13 Q1203 1220 MOTOR DRIVE MOTOR M B5 B6 16 Vcc 1 GND DECK1 S972 HALF Z971 INTERFACE S974 R REC INH S975 F REC INH S971 MODE DECK2 Q1153 Q1154 29 8 AGC OFF B6 Z1101 INTERFACE S952 HALF S951 MODE Q1120 1121 Q1118 1119 VREF VREF VREF Q1171 B4 3 CLK MKCLK INTERFACE INTERFACE SWITCHING BEAT PROOF SWITCHING REC ON BA7755A IC1102 R P SELECT M51167AFP TB IC11...

Страница 73: ... 19 29 D640 D641 D642 PLLCK PLLDA PLLCE STATUS 2 TPS IN STAT SUBQ BLKCK SQCK RESTSW D644 ST DO SUBQ DO ST SWITCHING Q901 SWITCHING Q903 SWITCHING Q902 D645 A SER3 7 AOUT SER5 12 MKCLK B SER2 10 MKDATA C 78 67 E 77 68 76 69 D C A B F OFF 74 71 75 70 79 66 4 62 3 63 61 27 38 26 39 24 41 23 42 22 43 Graphic equalizer 21 44 9 20 45 56 FILTER 5 60 7 58 AVDD 36 31 DVDD 72 AV SS 35 73 DGND AGND Microcomp...

Страница 74: ...R SUPPLY 4 CD 7 PCONT MUTE A 8 BU2090AF E2 IC602 LED DRIVE DATA 2 3 CLK B10 9 13 SW AUX TAPE TUNER CD D600 603 606 TAPE CD TUNER S WOOFER AUX 16 V CC VREF 1 GND TRI AMP 8 14 LVL2 15 LVL1 B10 D607 TRI AMP FL600 FL DISPLAY GRD1 13 49 61 SEG1 32 62 90 92 94 REGION IN 95 D618 620 625 SER3 MUTEA PCONT SER1 XC IN XC OUT 36 37 X601 32 7kHz 39 38 X IN X OUT Q609 42 MBP2 MBP1 41 Q608 X600 8MHz C A KEY SWIT...

Страница 75: ... PCONT D313 B6 D1 POSITION SENSOR CHG AD2 17 M38199MF227 IC600 SYSTEM CONTROL FL DRIVE M RM1 LOADING MOTOR 1 5 6 2 10 7 8 LED9V 4 D2 Q1 25 CHG HALF 23 CHG CW 24 CHG CCW DC DET HP SW DC DET 100 VREF SYS6V D627 B11 D628 91 V CC MOTOR DRIVE TA7291P IC1 MOTOR DRIVE S1 TRAY POSITION 1 DET 44 CHG SW1 43 CHG SW2 S2 TRAY POSITION 2 DET 16 CHG AD1 S3 OPEN DET S4 CLAMP S5 BOTTOM B4 PLUNGER 45 PLUNGER DRIVE ...

Страница 76: ... Q512 D521 D520 Q515 SWITCH ING Q509 REGULATOR REGULATOR RELAY DRIVE POWER SUPPLY CONT POWER SUPPLY POWER SUPPLY CONT POWER SUPPLY Q975 RELAY DRIVE AC IN SWITCH ING REGULATOR B7 B2 B8 B3 D503 LED9V D501 502 B1 D314 B9 S701 VOLT ADJ F2 Notes 1 CD PLAYBACK SIGNAL LINE FM SIGNAL LINE FM OSC SIGNAL LINE AM SIGNAL LINE AM OSC SIGNAL LINE TAPE PLAYBACK SIGNAL LINE TAPE RECORDING SIGNAL LINE FRONT LOW SP...

Страница 77: ...18 Troubleshooting Guide SA AK48 77 ...

Страница 78: ...SA AK48 78 ...

Страница 79: ... 3 1 1 3 OPTICAL PICKUP T502 POWER TRANSFORMER AC IN CN500 W1A W6 W7 W5 W10 W9 W8 T501 POWER TRANSFORMER W6 W8 W1A W5 W7 W9 W10 W500 1 3 3 1 1 3 6 1 CN502 13 1 CN501 GRAY RED BLUE ORANGE YELLOW BLACK WHITE CS951 B MECHANISM CONTROL P C B H1100 CP1101 1 9 CN1201 MOTOR W1200 2 1 1 9 1 10 1 8 CS971 1 9 CP1102 1 9 C MECHANISM P C B DECK 2 D MECHANISM P C B DECK 1 CS1102 2 4 1 5 1 5 DECK 2 R P HEAD ERA...

Страница 80: ...1 1 12 CP501 1 12 CN300 13 1 13 1 H501 SPEAKERS 6 CN304 1 10 CN303 2 20 1 19 2 26 1 25 CN302 CN309 1 13 2 14 1 8 H600 CP600 1 8 CN600 I OPERATION 1 P C B H603 CP605 2 20 1 19 CP604 2 26 1 25 2 1 2 1 CP303 BLACK RED 2 18 1 19 CP606 6 1 6 1 H601 H602 1 8 FAN MOTOR 8 1 1 8 O FM FRONT END P C B SA AK48 80 ...

Страница 81: ...0kHz 40 VSS GND 41 MBP1 O Beat proof control signal output 42 MBP2 O Beat proof control signal output 43 CHG SW2 I Disc tray position 2 detect signal input 44 CHG SW1 I Disc tray position 1 detect signal input 45 CHG PLGR O CD mechanism solenoid control signal output 46 SPA O Spectrum analyzer band control signal output 47 SPB 48 SPC Pin No Terminal Name I O Function 49 61 GRD1 GRD13 O FL grid sig...

Страница 82: ... VCOF2 VCO loop filter terminal Not used connected to GND 55 SUBC Sub code serial output clock Not used open 56 SBCK Sub code serial input data Not used connected to GND 57 VSS GND terminal 58 X1 IN I Crystal oscillator terminal f 16 9344 MHz 59 X2 OUT O Pin No Terminal Name I O Function 60 VDD I Power supply terminal 61 BYTCK Byte clock signal Not used open 62 CLDCK Sub code frame clock signal No...

Страница 83: ... TRANS HOLDER 1 M 38 RKMX2B0045 DBL TOP CABINET BENT 1 M 39 RGK1232 S CD LID 1 M 40 RGW0330A S MAIN VOL KNOB 1 M 41 RGU1850A Q DPL BUTTON 1 M Ref No Part No Part Name Description Psc Remarks 42 RYQ0290 S JOG CYLINDER UNIT 1 M 43 RGL0486 Q DISC LIGHTING CHIP 1 M 44 RGB0113 N PANA BADGE HOOK TYP 1 M 45 RHD30002 H SCREW 6 M 46 RGU1846 H DISC BUTTON 1 M 47 RXXX0017 2 HEAT SINK UNIT 1 M 48 RMN0577 JOY ...

Страница 84: ...R SPINDLE 1 M 371 RHM0001 MAGNET 5 M 372 RMX0140 DISC SPACER 1 M 373 RME0261 FRONT LOCK SPRING 1 M Ref No Part No Part Name Description Psc Remarks 374 RMQ0742 SPINDLE BASE 1 M INTEGRATED CIRCUITS IC1 TA7291P IC DRIVE 1 M IC101 LA1833NMNTLM IC IF MPX 1 M IC102 LC72131MDTRM IC PLL 1 M IC301 M62456FPE1 IC BTL 1 M IC302 M5218AP IC BUFFER AMP 1 M IC303 M62433AFP IC AUDIO 1 M IC500 RSN311W64A P IC HIC ...

Страница 85: ...MA700ATA DIODE 1 M D506 MA700ATA DIODE 1 M D507 MTZJ10BTA DIODE 1 M D508 MTZJ16BTA DIODE 1 M D509 MTZJ12BTA DIODE 1 M D512 RVD1SS133TA DIODE 1 M D513 KBP152G4R5 DIODE 1 M D514 1D3E DIODE 1 M D515 RVD1SS133TA DIODE 1 M D516 1D3E DIODE 1 M Ref No Part No Part Name Description Psc Remarks D517 RK306LFU1 DIODE 1 M D518 RVD1SS133TA DIODE 1 M D519 RK306LFU1 DIODE 1 M D520 1D3E DIODE 1 M D521 1D3E DIODE ...

Страница 86: ...03 RJS1A9420 20P FFC CONNECTOR 1 M CN304 RJS1A5210 10P WIRE HOLDER 1 M CN309 RJS1A9414 1 14P CONNECTOR 1 M CN500 RJT029W03V 1 CONNECTOR 1 M CN501 RJT119W13V 13P CONNECTOR 1 M CN502 RJP6G18ZA SOCKET 1 M CN600 RJT066H08F CONNECTOR 1 M CN701 RJS2A6016 16P FFC CONNECTOR 1 M Ref No Part No Part Name Description Psc Remarks CN702 RJS1A6719 1Q 19P FFC CONNECTOR 1 M CN1201 RJS8T7ZA 8P MOLEX CONNECTOR 1 M ...

Страница 87: ......

Страница 88: ... 4 7K 1 10W 1 M R420 ERJ6GEYJ104V 100K 1 10W 1 M R421 ERJ6GEYJ102V 1K 1 10W 1 M R422 ERJ6GEYJ123V 12K 1 10W 1 M R423 ERJ6GEYJ473V 47K 1 10W 1 M Ref No Part No Part Name Description Psc Remarks R424 ERJ6GEYJ183V 18K 1 10W 1 M R425 ERJ6GEYJ362V 3 6K 1 10W 1 M R426 ERJ6GEYJ101V 100 1 10W 1 M R430 ERJ6GEYJ473V 47K 1 10W 1 M R431 ERJ6GEYJ183V 18K 1 10W 1 M R432 ERJ6GEYJ392V 3 9K 1 10W 1 M R433 ERJ6GEYJ...

Страница 89: ...1 4W 1 M R631 ERDS2TJ472T 4 7K 1 4W 1 M R632 ERDS2TJ822T 8 2K 1 4W 1 M R633 ERDS2TJ182T 1 8K 1 4W 1 M Ref No Part No Part Name Description Psc Remarks R634 ERDS2TJ102T 1K 1 4W 1 M R635 ERDS2TJ472T 4 7K 1 4W 1 M R636 ERDS2TJ683T 68K 1 4W 1 M R637 ERDS2TJ334T 330K 1 4W 1 M R638 ERDS2TJ272T 2 7K 1 4W 1 M R639 ERDS2TJ102T 1K 1 4W 1 M R640 ERDS2TJ122T 1 2K 1 4W 1 M R641 ERDS2TJ182T 1 8K 1 4W 1 M R642 E...

Страница 90: ...M R948 ERDS2TJ472T 4 7K 1 4W 1 M R949 ERDS2TJ223T 22K 1 4W 1 M Ref No Part No Part Name Description Psc Remarks R950 ERDS2TJ223T 22K 1 4W 1 M R951 ERDS2TJ103T 10K 1 4W 1 M R952 ERDS2TJ331T 330 1 4W 1 M R952 ERDS2TJ821T 820 1 4W 1 M R953 ERDS2TJ272T 2 7K 1 4W 1 M R953 ERDS2TJ393T 39K 1 4W 1 M R954 ERDS2TJ103T 10K 1 4W 1 M R955 ERDS2TJ223T 22K 1 4W 1 M R956 ERDS2TJ223T 22K 1 4W 1 M R957 ERDS2TJ562T ...

Страница 91: ...8P 50V 1 M C109 ECUV1H102KBN 1000P 50V 1 M C110 ECUV1H103KBN 0 01 50V 1 M C111 ECEA1EKA4R7B 4 7 25V 1 M Ref No Part No Part Name Description Psc Remarks C112 ECUV1H103KBN 0 01 50V 1 M C113 ECUV1H102KBN 1000P 50V 1 M C114 ECEA1HKA3R3B 3 3 50V 1 M C115 ECEA1EKA4R7B 4 7 25V 1 M C116 ECUVNE333KBN 0 033 25V 1 M C117 ECUV1H103KBN 0 01 50V 1 M C118 ECUV1H103KBN 0 01 50V 1 M C119 ECQP2A681JZT 680P 100V 1 ...

Страница 92: ...ECBT1H104ZF5 0 1 50V 1 M C516 ECKR1H103ZF5 0 01 50V 1 M C517 ECEA1HKA010B 1 50V 1 M C518 ECEA1HKA010B 1 50V 1 M Ref No Part No Part Name Description Psc Remarks C520 ECBT1C182KR5 1800P 16V 1 M C521 ECKR1H103ZF5 0 01 50V 1 M C523 ECEA1HKA010B 1 50V 1 M C524 ECBT1C182KR5 1800P 16V 1 M C525 ECEA0JKA101B 100 6 3V 1 M C526 ECBT1H150JC5 15P 50V 1 M C527 ECBT1H150JC5 15P 50V 1 M C528 ECBT1H150JC5 15P 50V...

Страница 93: ...BN 820P 50V 1 M C717 ECUZ1E104ZFN 0 1 25V 1 M C718 ECUZ1C224KBN 0 22 16V 1 M Ref No Part No Part Name Description Psc Remarks C721 ECUZ1H100DCN 10P 50V 1 M C722 ECUZ1H100DCN 10P 50V 1 M C723 ECEA1AKA221I 220 10V 1 M C724 ECUZ1E104MBN 0 1 25V 1 M C725 ECUZ1H102KBN 1000P 50V 1 M C726 ECUZ1H102KBN 1000P 50V 1 M C727 ECA1HAK010XI 1 50V 1 M C728 ECA1HAK010XI 1 50V 1 M C730 ECUZ1E104ZFN 0 1 25V 1 M C731...

Страница 94: ......

Страница 95: ...22 Cabinet Parts Location 95 SA AK48 ...

Страница 96: ...96 SA AK48 ...

Страница 97: ...23 Mechanism Parts Location 97 SA AK48 ...

Страница 98: ...98 SA AK48 ...

Страница 99: ...24 CD Mechanism Parts Location 99 SA AK48 ...

Страница 100: ...25 Packaging 100 SA AK48 ...

Страница 101: ...ution is a violation of law SB AK48 Colour S Silver Type Area GC Asia Latin America Africa and Middle Near East LOW 200W Music Output sound pressure level 87 dB W 1 0m Cross over frequency 150 Hz 3 5 kHz Frequency range 40 Hz 50 kHz 16 dB 50 Hz 36 kHz 10 dB Dimensions W x H x D 250 x 348 x 292 mm Weight 5 1 kg Notes Specifications are subject to change without notice Weight and dimensions are appr...

Страница 102: ...eaker to the left terminal 1 Strip off the outer covering and twist the center conductor Make sure the bare ends of the wires are not unravelled If they are twist them toght again 2 Insert the wire to the rear panel of the unit and close the lever Notes To prevent damage to circuitry never short circuit positive and negative speaker wires Be sure to connect only positive red wires to positive term...

Страница 103: ...SP CABINET ASS Y L M 1 BKM0145 SP CABINET ASS Y R M Ref No Part No Part Name Description Remarks 1 1 RGQ0230 K CORD CLIPPER M 1 2 RMQ0941 BUSH TERMINAL M 1 3 RKA0072 KJ LEG M 1 4 RMQ0938 PORT PACKING M 2 RYQ0296 S FRONT PANEL L M 2 RYQ0296A S FRONT PANEL R M 3 RMR1278 W WOOFER RING M 4 RMR1277 K BACK CAVITY M 5 RMQ0936S EVA PACKING B C M 6 REE0960 CORD ASS Y M 7 RMR1281A H EXTEND PORT R M 7 RMR128...

Страница 104: ...ASS Y R M 24 RGK0500 K DUST CAP M 25 RMR1208 K TWEETER SPACER M 26 REE0981 WIRE M 27 RMQ0931C CAB PACKING M 28 RMQ0931LK CABINET PACKING M CAPACITORS C1 ECEA1HAY4R7S 4 7uF 50V M PACKING MATERIALS P1 RPH0187 MIRAMAT M P2 RPN1250 POLYFOAM M SPEAKER SP1 EAST17PL11B6 SUPER WOOFER M SP2 EAST12P25A6 WOOFER M SP3 EAST6PH06A6 TWEETER M SP4 EFBS55C41A6 SUPER TWEETER M 4 SB AK48 Printed by Widebooks SP BR 1...

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