Aiwa XR-EM20 Service Manual Download Page 39

Page: 39 / 62

<DECK SECTION>

C651 C652

J104

MOTOR

DECK MECHANISM

L451

E/RP HEAD

MAIN C.B (PART SIDE)

①② ③

③

①

1.TAPE SPEED ADJUSTMENT
Requirements

Measuring equipments : wow-flutter meter (frequency counter )

Test Tape: TTA-100 (3KHz)

Test point: C651(Lch),C652(Rch),GND
Adjustment point : Tape speed adjustment point (motor)

1) Connect Test point to the Wow - flutter meter.
2) Insert the test tape (TTA-100), play back center of the tape

and adjust the motor until it becomes 3,000Hz +3 / -2%.

2.WOW – FLUTTER CHECK

Requirements

Test tape: TTA-100 (3KHz)

Test point: C651(Lch),C652(Rch),GND

1) Connect the Test point to the Wow – flutter meter.
2) Set the indicator to JIS and the mode to W RMS (WTD)

of the Wow - flitter meter.

3) Play back the center of the test tape (TTA-100) and check

that it is below 0.25%.

WOW&FLUTTER METER

INPUT

WOW&FLUTTER METER

INPUT

④

– 39 –

www. xiaoyu163. com

QQ 376315150

TEL 13942296513

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

Summary of Contents for XR-EM20

Page 1: ...vision Publishing and replaces Simple Manual S M Code No 09 022 454 3T1 XR EM20 SPEAKER SYSTEM CX LEM20 RC CAS07 COMPACT DISC REMOTE CONTROLLER SX LEM20 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 2: ... IC DESCRIPTION 31 36 FL HNA 08SS36T GRID ASSIGNMENT PIN CONNECTION ANODE CONNECTION 37 ADJUSTMENT FRONT DECK TUNER CD 38 45 VOLTAGE CHART 46 50 CD TEST MODE 51 MECHANICAL EXPLODED VIEW 52 MECHANICAL PARTS LIST 53 COLOR NAME TABLE 54 TAPE MECHANISM EXPLODED VIEW 55 TAPE MECHANISM PARTS LIST 56 ACCESSORIES PART LIST 57 OTHER PARTS LIST CX LEM20 58 OTHER PARTS LIST CZA 3 59 GENERAL SPEAKER DISASSEMB...

Page 3: ...Frequency response 50 Hz 10000 Hz Recording system AC bias Heads Recording playback X 1 erase X 1 CD PLAYER Laser Semiconductor laser l 780 nm D A converter 1 bit dual Signal to noise ratio 80 dB 1 kHz 0 dB Wow and flutter Unmeasurable GENERAL Power requirements 120 V AC 60 Hz Power consumption 26 W Dimensions W x H x D 163 x 230 x 215 7 mm 6 1 2 x 9 1 8 x 8 1 2 in Weight 2 7 kg 5 lbs 15 oz SPEAKE...

Page 4: ...ING SERVICING CAUTION Use of controls or adjustments or performance of proce dures other than those specified herin may result in hazardous radiation exposure ATTENTION L utillisation de commandes réglages ou procédures autres que ceux spécifiés peut entraîner une dangereuse exposition aux radiations ADVARSEL Usynliglaserstålingvedåbning nårsikkerhedsafbrydereer ude af funktion Undgå udsættelse fo...

Page 5: ...F 20 50V a CD 0 C 0538 87 A11 070 080 C CAP U 0 033UF 16V K X7 a CD 0 C 0539 87 012 360 080 C CAP S 1UR 10V K CER SA a CD 0 C 0540 87 016 083 080 C CAP S 0 15UF 16V K CER a CD 0 C 0541 87 010 263 04C Elect Cap 100UF 20 10V a CD 0 C 0542 87 012 274 080 C CAP U 1000P 50V K X7R a CX LEM20 USC CD 0 C 0551 87 010 759 080 C CAP U 0 1UF 25V Z Y5V a CD 0 C 0552 87 010 759 080 C CAP U 0 1UF 25V Z Y5V a CD ...

Page 6: ... 0505 88 118 683 087 C RES S 68 K 1 10W J a CD 0 R 0506 88 108 123 080 C Res U 12K 1 16W J a CD 0 R 0507 88 118 683 087 C RES S 68 K 1 10W J a CD X R 0508 88 108 393 080 C RES U 39K 1 16W a CD 0 R 0509 88 118 683 087 C RES S 68 K 1 10W J a CD 0 R 0510 88 108 821 080 C RES U 820 1 16W J a CX LEM20 USC CD 0 R 0511 88 108 332 080 C RES U 3 3K 1 16WJ a CD 0 R 0512 88 108 223 080 C RES U 22K J 1 16W a ...

Page 7: ...104 080 C RES U 100K 1 16W J a CD 0 R 0860 88 108 104 080 C RES U 100K 1 16W J a CD 0 R 0864 88 108 104 080 C RES U 100K 1 16W J a CD X R 0865 88 108 000 080 C JUMPER JR 1 16W J a CX LEM20 USC CD 0 R 0866 88 108 333 080 C RES U 33K 1 16W J a CD 0 R 0867 88 108 101 080 C RES U 100 1 16W J a CD 0 R 0868 88 108 102 080 C RES U 1K 1 16W J a CD X R 0870 88 108 000 080 C JUMPER JR 1 16W J a CD X R 0881 ...

Page 8: ...0206 88 108 104 080 C RES U 100K 1 16W J a FRONT X R 0207 88 108 104 080 C RES U 100K 1 16W J a FRONT X R 0208 88 108 104 080 C RES U 100K 1 16W J a FRONT X R 0209 88 108 104 080 C RES U 100K 1 16W J a FRONT X R 0210 88 108 104 080 C RES U 100K 1 16W J a FRONT X R 0211 88 108 104 080 C RES U 100K 1 16W J a CX LEM20 USC FRONT X R 0212 88 108 104 080 C RES U 100K 1 16W J a FRONT X R 0213 88 108 104 ...

Page 9: ... 220K 1 16W J a FRONT 0 R 0377 88 108 101 080 C RES U 100 1 16W J a FRONT 0 R 0380 88 108 471 080 C RES U 470 1 16W J a FRONT X R 0384 88 108 100 080 C RES U 10 1 16W J a FRONT 0 R 0388 88 108 123 080 C Res U 12K 1 16W J a CX LEM20 USC FRONT X R 0392 88 108 222 080 C RES U 2 2K 1 16W J a FRONT 0 R 0393 88 121 103 080 RES 10 K 1 8W J 26mm TAPE a FRONT 0 R 0395 88 108 103 080 C RES U 10K 1 16W J a F...

Page 10: ... 47UF M ELEC 25V P 5 a MAIN 0 C 0488 87 010 248 080 Cap 220UF 10V M ELECT Pi a MAIN 0 C 0601 87 012 275 080 C CAP U 1200P 50V K X7R a MAIN 0 C 0602 87 012 275 080 C CAP U 1200P 50V K X7R a MAIN 0 C 0611 87 010 400 080 CAP E 0 47 50 M SSL F 5MM a CX LEM20 USC MAIN 0 C 0612 87 010 400 080 CAP E 0 47 50 M SSL F 5MM a MAIN 0 C 0613 87 010 400 080 CAP E 0 47 50 M SSL F 5MM a MAIN 0 C 0614 87 010 400 08...

Page 11: ...R 2SC5343GL TO 92 TAPIN a MAIN S Q 0104 89 213 702 080 PNP Transistor 2SB1370E a MAIN S Q 0105 87 A30 630 080 TR 2SC5343GL TO 92 TAPIN a MAIN S Q 0106 89 213 702 080 PNP Transistor 2SB1370E a MAIN S Q 0109 87 A30 076 080 C TR AMPLIFY 2SC3052 15 a MAIN S Q 0110 87 A30 076 080 C TR AMPLIFY 2SC3052 15 a CX LEM20 USC MAIN S Q 0113 87 A30 494 080 TR 2SA1980G T0 92 AI R a MAIN S Q 0114 87 A30 435 040 C ...

Page 12: ...9 080 RES 8 2 ohm 1 4W 5 26mm a MAIN X R 0455 88 108 183 080 C RES U 18K J 1 16W a MAIN X R 0456 88 108 183 080 C RES U 18K J 1 16W a MAIN X R 0458 88 108 472 080 C RES U 4 7K 1 16W J a MAIN 0 R 0459 88 108 563 080 C RES U 56K J 1 16W a MAIN X R 0460 88 108 104 080 C RES U 100K 1 16W J a CX LEM20 USC MAIN 0 R 0465 88 108 103 080 C RES U 10K 1 16W J a MAIN 0 R 0466 88 108 103 080 C RES U 10K 1 16W ...

Page 13: ...080 RES 2K2 J C 1 8W 26mm TAP a MAIN 0 R 0688 88 108 683 080 C Res 68K 1 16W J a MAIN 0 R 0689 88 108 683 080 C Res 68K 1 16W J a MAIN X R 0694 88 130 681 080 RES 680 OHM 1 4W J 26mm a MAIN X R 0701 88 108 273 080 C RES U 27K J 1 16W a MAIN X R 0702 88 108 273 080 C RES U 27K J 1 16W a MAIN X R 0705 88 108 000 080 C JUMPER JR 1 16W J a MAIN X R 0706 88 108 000 080 C JUMPER JR 1 16W J a MAIN X R 07...

Page 14: ...80 C CAP U 0 01 25 K B GRM a TUNER O C 0860 87 012 286 080 C CAP U 0 01 25 K B GRM a TUNER O C 0861 87 012 286 080 C CAP U 0 01 25 K B GRM a TUNER O C 0901 87 012 169 080 C CAP U 7P 50 D CH a TUNER O C 0909 87 012 274 080 C CAP U 1000P 50 K B GRM a CZA 3 UC TUNER O C 0911 87 012 170 080 C CAP U 8P 50 D CH a TUNER O C 0912 87 012 195 080 C CAP U 100P 50 J CH GRM a TUNER O C 0914 86 ZA1 616 080 C CA...

Page 15: ... 87 A30 664 080 C TR 2SC2620B a TUNER S Q 0904 87 A30 664 080 C TR 2SC2620B a TUNER S Q 0981 87 A30 494 080 TR 2SA1980G a TUNER S Q 0982 87 A30 540 040 C TR 2SC5343SF S G a TUNER S Q 0983 87 A30 540 040 C TR 2SC5343SF S G a CZA 3 UC TUNER X R 0789 88 108 223 080 C RES U 22K 1 16W J a TUNER O R 0790 87 012 286 080 C CAP U 0 01 25 K B GRM a TUNER X R 0791 88 108 102 080 C RES U 1K 1 16W J a TUNER X ...

Page 16: ...ER X R 0984 88 108 562 080 C RES U 5 6K 1 16W J a TUNER X R 0985 88 121 471 080 RES 470 1 8W J a TUNER X R 0986 88 108 222 080 C RES U 2 2K 1 16W J a TUNER X R 0988 88 108 103 080 C RES U 10K 1 16W J a TUNER X R 0989 88 121 102 080 RES 1K 1 8W J a TUNER X R 0990 88 108 563 080 C RES U 56K 1 16W J a TUNER X R 0992 88 108 103 080 C RES U 10K 1 16W J a TUNER X R 0994 88 108 103 080 C RES U 10K 1 16W ...

Page 17: ...mensions mm Symbol 1 16W 1005 5 CJ 1 0 0 5 0 35 104 L t W TRANSISTOR ILLUSTRATION E C B E C B B C E E B C G D S 2SA1296GR 2SA1980G 2SA1981Y 2SB1370E 2SA1162GR 2SC2712GR 2SC3052 DTA114EK DTA124EK DTC144EKA DTC114EK 2SK2158 E C B 2SC5343GL www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ ...

Page 18: ...WHT WHT RED YEL BLK 1 2 3 4 5 6 7 E E R R L L E RP HEAD 1 2 3 4 5 6 7 J104 PHONES 1 3 5 7 9 CXXX CXXX CXXX FBXXX RXXX LXXX CXXX LXXX QXXX QXXX DXXX E C B E C B NOTE WIRING 1 MAIN 1 2 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J K L M N O P Q R S T U w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 ...

Page 19: ...6 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 A B C D E F G H I J K L M N O P Q R S T U w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 20: ...EGULATOR 6V REGULATOR NJM7806FA K LCH RCH GND VM REGULATOR Q105 106 116 JR 470U 35V V_AC V_AC V_AC GND FIL1 FIL2 TO PT C B CN101 FC101 FC102 250MA 125V NM JW JW SPEAKERS J103 R L SPEAKER IMP 6 J104 PHONES HOLD SW AC DET VCC REGULATOR Q104 113 114 G 8 8 4 7K POWER AMP MAIN MUTE Q109 110 163 NM C141 C142 035600STY7 AUX IN J101 R L SUB WOOFER PB REC SIGNAL NOTE NM NO MOUNT JR JW JUMPER RXXX NM NM C38...

Page 21: ...EC PAUSE SYNCHRO REC TAPE REC MUTE TUNER AUX BAND TUNING DOWN CLEAR CD TUNING UP VOLUME DISPLAY TONE FFC302 TO DECK C B S305 S351 S303 S309 S302 S306 S304 S307 S308 S312 S310 S301 TO MAIN C B CN202 WIRING 2 FRONT CD 1 2 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J K L M N O P Q R S T U w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0...

Page 22: ... 8 WIRING 2 FRONT CD 2 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 A B C D E F G H I J K L M N O P Q R S T U w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http ww...

Page 23: ...K CONTROL Q301 303 50V GR GR 5V REGULATOR Q314 316 328 GR GR DTA124EK VDD GR FB 035600 STY7 4 5 6 3 2 1 NC O DECK CD ON 5Z32 KSCAN1 NC NC NC NC TP1 NC NC NC NC NC NC IN ECO EZK VDD D VDD I LW I FMW u COM NM REMOTE SENSOR GND PB SIGNAL NOTE NM NO MOUNT JR JW JUMPER RXXX NM NM TO CD C B w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 ...

Page 24: ... E97 TGL E98 JP JP E99 035600STY7 NM JW JW JW E91 E92 E93 E94 E95 NM NM DSP RCH O LCH O NM NM NM NM NM 035600STY7 NM JW CNA802 CN802 SW802 CD DOOR LEAF SW TO FRONT C B L CH A GND R CH D GND VM 6V DRV GND CD DRF FOK CD WRQ SCOR CD SQOUT SUBQ CD RWC LAT CD CQCK CLK CD COIN DATA OP CL SW PB SIGNAL NOTE NM NO MOUNT JR JW JUMPER RXXX DRIVE C B CD C B Y JW NM w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 ...

Page 25: ... 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J K L M N O P Q R S T U www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 26: ...SC NOTE NM NO MOUNT TERMINAL 1P MSC AC 120V 60HZ TF www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 27: ...D E F G H I J K L M N O P Q R S T U www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 28: ... u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 29: ... Q R S T U SW1 SW2 J4 J3 J1 J2 SW3 SW4 CMAL5Z213A DECK C B www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 30: ... 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 31: ...signal for EFM data playback 4 3218MHz when the phase is locked Not used 22 FSEQ O Sync signal detection output Goes H when the sync signal detected from the EFM signal matches the sync signal generated internally Not used 23 VDD Power supply of digital circuits 24 SL O Controlled by serial data command issued by the microprocessor 25 SL O Controlled by serial data command issued by the microproce...

Page 32: ...cillator frequency Not used 53 WRQ O Subcode Q standby output 54 RWC I Read write control input Schmitt trigger input 55 SQOUT O Subcode Q output 56 COIN I Command input from the microprocessor 57 CQCK I Command input retrieval clock or subcode retrieval clock input from SQOUT Schmitt trigger input 58 RES I LC78622NE reset input 59 T11 O Test output Set to open normally L output Not used 60 16M O ...

Page 33: ...oses the focusing phase compensation constant between the FA and FE pins 20 FE O FE signal output 21 FE I For the connection of a resistor whichs sets the gain of the FE signal between this pin and the TE pin 22 A GND Ground of analog signals 23 SP O Single ended output of the signals input to the CV and CV pins Not used 24 SPI I Spindle AMP input 25 SPG I For the connection of a resistor which se...

Page 34: ...sor command data input 53 CE I Microprocessor chip enable input 54 DRF O DRF detect RF is an output to detect the RF level 55 FSS I The FSS focus search select signal switches the focus search modes search search with respect to the reference voltage Not used 56 VCC2 VCC of servo and digital circuits 57 REFI For the connection of bypass capacitor for the reference voltage 58 VR O Reference voltage...

Page 35: ...W I CD mecha switch input 25 I RDS_SIG I Not used 26 I AS I Cassette deck auto stop switch signal input 27 DRV MUTE Not used 28 I RDCL I Not used 29 I RMC I System remote control signal input 30 NC Not used 31 NC Not used 32 36 NC Not used 37 44 O G1 O G8 O VFD driver control data signal output 45 O P1 O VFD driver control data signal output 46 VDD3 Digital power supply pin 47 50 O P2 O P5 O VFD d...

Page 36: ... 93 I TU IFC I Tuner SD detection input Tuner IF count input 94 I TMBASE I Reference clock input for timer switch 95 O PLL CE O Tuner PLL IC chip enable output 96 O PLL CLK O PLL IC clock output 97 O MA DATA O IC BD3881FV VOL FUNC control data output 98 O REC O Cassette deck Rec Play control output 99 O POWER O Power control ON OFF output 100 CD ON O CD power supply ON OFF output www xiaoyu163 com...

Page 37: ...D ASSIGNMENT ANODE CONNECTION PIN CONNECTION www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 38: ...tton and the TUNER BAND button insert the AC plug to outlet 2 Adjust L301 so that the oscilloscope indicates the frequency within 320 5 1Hz 38 ADJUSTMENT FRONT DECK TUNER CD www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 co...

Page 39: ...til it becomes 3 000Hz 3 2 2 WOW FLUTTER CHECK Requirements Test tape TTA 100 3KHz Test point C651 Lch C652 Rch GND 1 Connect the Test point to the Wow flutter meter 2 Set the indicator to JIS and the mode to W RMS WTD of the Wow flitter meter 3 Play back the center of the test tape TTA 100 and check that it is below 0 25 Hz WOW FLUTTER METER TP INPUT Hz WOW FLUTTER METER TP INPUT 39 www xiaoyu163...

Page 40: ...cope has reached the maximum when playing back at 8KHz 4 After the adjustment bond lock 1600B the screw 4 REC BIAS FREQUENCY ADJUSTMENT Requirement Measuring equipment frequency counter Test point JW38 GND Adjustment point L451 1 Connect the JW38 to the frequency counter 2 Set the recording condition to the main unit 3 Adjust the L451 until it becomes 85KHz 0 5KHz OUTPUT OSCILLOSCOPE Lch Rch CH1 C...

Page 41: ...ck that the test point VT voltage is about 1 5V 3 VT CHECK AM Requirement Measuring equipment Digital multi meter Test point TP4 R962 GND 1 Adjust the reception frequency of the main unit to 530KHz 2 Check that the test point VT voltage is about 0 5V 3 Adjust the reception frequency of the main unit to 1710KHz 4 Check that the test point VT voltage is below 9 0V 4 DC BALANCE CHECK Requirement Meas...

Page 42: ...uce the output level all the way till a certain degree of is monitored through the oscilloscope 2 Adjust the reception frequency of the main unit to 1000KHz 3 Adjust L954 until the value of the millivoltmeter reaches the maximum 4 Adjust the S S G setting to 600KHz of 30 variation and reduce the output level all the way till a certain degree of is monitored through the oscilloscope 5 Adjust the re...

Page 43: ...o 87 5KHz of 30 variation and reduce the output level all the way till a certain degree of is monitored through the oscilloscope 2 Adjust L904 until the value of the milivoltmeter reaches the maximum L903 L904 There is no gap GOOD L903 L904 There is gap NG AC MILLIVOLTMETER CH2 CH1 GND TP8 TP9 GND 43 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 ...

Page 44: ...layback the second track of the TCD 782 3 Adjust SFR501 until the digital multimeter indicates 20 5mV 2 RF WAVEFORM CHECK 1 Connect oscilloscope to the test point RF and Vref 2 Play back the 2nd track of TCD 782 3 Check that the RF waveform has the maximum amplitude and the center of the wedge waveform has the clear blank OUTPUT OSCILLOSCOPE RF Vref 44 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9...

Page 45: ... oscilloscope 2 Playback the second track of TCD 782 and press the PAUSE button 3 Check that the taverse waveforms of oscilloscope are up and down symmetrical 5 PLAY ABILITY CHECK 1 Play back the 3rd 8th and 13th track of ATD 001 Check that the noise does not occur and sound skipping does not occur OUTPUT ns OSCILLOSCOPE JITTER METER INPUT RF Vref OUTPUT OSCILLOSCOPE TE Vref 45 www xiaoyu163 com Q...

Page 46: ... 8 11 8 11 6 Q456 DTC114EK 0 11 8 0 Q304 DTA124EK 0 2 4 2 46 Q310 2SA1162GR 0 0 0 Q309 2SA1162GR 0 0 0 Q450 2SC3052F 0 8 0 2 0 2 Q306 DTA124EK 0 0 2 4 IN OUT ADJ IC 102 NJM7806FA 11 8V 6 0V 0V 1PIN 2PIN 3PIN IC303 RPM6938 V4 5 0V 0V 5 0V IC601 BD3881FV 1PIN 2PIN 3PIN 4PIN 5PIN 6PIN 7PIN 8PIN 9PIN 10PIN 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 11PIN 12PIN 13PIN 14PIN 15PIN 16PIN 17PIN 18PIN 19PIN 20PIN 0V 5 1...

Page 47: ...2PIN 13PIN 14PIN 15PIN 16PIN 17PIN 18PIN 19PIN 20PIN 5 1V 0V 0V 0 2 5V 2 5V 5 2V 3 3V 5 2V 0V 21PIN 22PIN 23PIN 24PIN 25PIN 26PIN 27PIN 28PIN 29PIN 30PIN 0V 5 2V 5 2V 5 3V 0V 2 0V 0V 0V 5 0V 0V 31PIN 32PIN 33PIN 34PIN 35PIN 36PIN 37PIN 38PIN 39PIN 40PIN 0V 0V 0V 0V 0V 0V 21 0V 21 0V 21 0V 21 0V 41PIN 42PIN 43PIN 44PIN 45PIN 46PIN 47PIN 48PIN 49PIN 50PIN 21 0V 21 0V 21 0V 21 0V 1 8V 5 2V 5 0V 16 0V...

Page 48: ...5V 16 7V 16 8V 20 8V 20 8V 16 8V 61PIN 62PIN 63PIN 64PIN 65PIN 66PIN 67PIN 68PIN 69PIN 70PIN 19 9V 14 5V 23 6V 23 5V 23 5V 23 5V 0V 0V 2 5V 2 5V 71PIN 72PIN 73PIN 74PIN 75PIN 76PIN 77PIN 78PIN 79PIN 80PIN 1 3V 5 2V 1 4V 1 3V 1 3V 1 4V 1 4V 0V 0V 0V 81PIN 82PIN 83PIN 84PIN 85PIN 86PIN 87PIN 88PIN 89PIN 90PIN 0V 0V 0V 0V 0V 0V 0V 0V 0V 5 3V 91PIN 92PIN 93PIN 94PIN 95PIN 96PIN 97PIN 98PIN 99PIN 100PI...

Page 49: ...0PIN 2 5V 2 5V 2 6V 0V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 11PIN 12PIN 13PIN 14PIN 15PIN 16PIN 17PIN 18PIN 19PIN 20PIN 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 21PIN 22PIN 23PIN 24PIN 25PIN 26PIN 27PIN 28PIN 29PIN 30PIN 2 5V 0V 0V 2 5V 2 5V 2 5V 2 7V 2 5V 2 5V 2 4V 31PIN 32PIN 33PIN 34PIN 35PIN 36PIN 37PIN 38PIN 39PIN 40PIN 2 4V 0V 0V 4 9V 0V 1 7V 0V 0 6V 0V 0 4V 41PIN 42PIN 43PIN 44PIN 45PIN 4...

Page 50: ...IN 0V 0V 0V 0V 0V 0V 0V 5 3V 0V 5 3V 91PIN 92PIN 93PIN 94PIN 95PIN 96PIN 97PIN 98PIN 99PIN 100PIN 0V 5 8V 5 8V 1 9V 0V 0V 0V 5 1V 5 3V 0V B C E B C E Q981 2SA1980G 11 1V 8 3V 11 8V Q904 2SC2620B 7 3V 8 0V 6 7V Q982 2SC5343SF 5 3V 11 1V 4 8V Q902 2SC2620B 0 7V 0V 0V Q983 2SC5343SF 5 3V 8 3V 4 8V G D S Q835 2SC2714O 4 9V 6 3V 4 2V Q901 2SK360E 0V 6 3V 0V Q836 SRA2207S 0 95V 8 2V 8 3V IC 991 LC72131D...

Page 51: ...racking servo OFF ON Tracking balance check STOP button to cancel 5 Sled Mode FF button CD TEST Pickup moves to the inner Sled circuit check circumference 2 Mechanism operation check RWD button CD TEST Pickup is moves to the outer Pickup Check circumference 2 1 The driver IC heats up and the protection circuit starts working when the focus search is continued for 10 minutes or longer There can be ...

Page 52: ...33 32 17 50 16 23 24 25 26 22 21 20 19 18 27 28 29 30 B B 31 A A A C C D H G D D H D E I E F F www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 53: ...070 KSM 213RDM a O MC1025 88 CH6 019 110 PANEL CD a O MC1026 8Z NF6 210 010 DMPR 150 N a O MC1027 8C CL6 025 010 CHAS CD U a O MC1028 8A CLD 622 010 CONN ASSY 2P DOOR a O MC1029 87 036 389 010 SW PUSH LOCK a O MC1030 8C CL6 207 010 SPR T CD a O MC1031 84 ZG1 675 010 CONN ASSY 6P GETA a O MC1032 8C CL7 608 010 LCD CCL 7 a X MC1033 8C CL6 202 010 HLDR FL a O MC1034 88 906 131 110 FF CABLE 6P 1 25 a ...

Page 54: ...L Light Blue GT Transparent Green LD Dark Blue DT Transparent Orange GM Metallic Green YM Metallic Yellow DM Metallic Orange PT Transparent Pink LA Aqua Blue GL Light Green HT Transparent Gray HM Metallic Gray NH Champagne Gold M Wood Pattern COLOR NAME TABLE www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 8924982...

Page 55: ...13 9 21 22 20 24 25 27 26 30 31 32 33 34 37 35 18 28 29 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 56: ... O ST1013 SF D52 W51 000 REEL BASE a O ST1014 SF G11 414 000 SCREW PAN 2 6X5 ZN a O ST1015 SF J11 131 000 PW 4 1X0 13 a O ST1016 SU J16 F11 000 PW 1 75X0 4 a O ST1017 SF J11 135 000 PW 4 1X0 25 a O ST1018 SF 514 135 000 ROLLER PINCH R BLK a O ST1019 SF D58 K13 000 ARM INTERLOCK R a O ST1020 SF 612 239 000 CHASSIS BASE BLK a CMAL5Z213A O ST1021 SF 567 703 000 PWB CONTROL BLK a O ST1022 SF K34 Y11 0...

Page 57: ...spare parts for after sales service and will not be stocked at the spare parts centers UNIT NAME C REF NO PARTS NO PARTS NAME SUFFIX MODEL ACCESSORIES PARTS LIST CX LEM20 USC 0 001 8C CL7 903 010 IB U ESF BF SIZE 210x14 a 0 002 8C CL6 701 010 REMOTE CONTROL UNIT RC CA a 0 003 87 A92 345 010 ANT WIRE FM U SEMI ST L a 0 004 87 A90 054 010 Ant Loop AM CON C TOMEI a www xiaoyu163 com QQ376315150 9 9 2...

Page 58: ... AW a X S3 017 930 101 COPPER FOIL HANG TAI a X 8C FL7 851 010 CTN ASSY USC size 576X27 a X 8C CL7 851 010 CUSHION FR UNIVERSE a X 8C CL7 851 010 CUSHION REAR UNIVERSE a X 84 711 909 010 DATE CODE LABEL SIZE 50x a X ICT Label M 100W F W Coa a X ICT Label M 100W F W Coa a X ICT Label M 100W F W Coa a X 87 B40 282 010 Label Bar Code AU 87 B40 a X 87 B40 034 01C Label USA 1 800 87 B40 0 a X 8A NF8 97...

Page 59: ...at the spare parts centers Components marked X and R are not designated as spare parts for after sales service and will not be stocked at the spare parts centers UNIT NAME C REF NO PARTS NO PARTS NAME SUFFIX MODEL 59 OTHER PARTS LIST CZA 3 CZA 3 UC ASSY CODE X A8 CZA 391 070 CZA 3 UC a www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942...

Page 60: ...caps by pulling out with a flat bladed screwdriver Remove the screws from hole where installed rubber caps Insert a flat bladed screwdriver into the position indicated by the arrows and remove the panel Re move the screws of each speaker unit and then remove the speaker units TOOLS 1 Plastic head hammer 2 flat head screwdriver 3 Cut chisel How to Remove the PANEL FR 1 Insert the flat head screwdri...

Page 61: ...0 SX SLEM20 YJMN OTHERS X 001 8B CPX 016 010 BADGE AIWA 27 5 a OTHERS X 002 8C CP5 005 010 TUBE a OTHERS O 003 8C CP5 007 010 CORD SPKR O a OTHERS O 004 8C CP5 008 010 CORD BUSH O a OTHERS O 005 8C CP6 602 010 SPKR 100 16 2 a OTHERS O 006 8C CP7 001 010 CABI M a OTHERS O 007 8C CP7 002 010 GRILLE FRAME ASSY a OTHERS X 008 8C CP7 003 010 GRILLE FRAME a OTHERS X 009 8C CP7 004 010 NET a OTHERS X 010...

Page 62: ... 3827 3111 9301978 9430209 921338 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Search results

Summary of Contents for XR-EM20

Reviews:

Related manuals for XR-EM20

Brands by name

Popular brands

Aiwa XR-EM20, Service Manual

Search results

Summary of Contents for XR-EM20

Reviews:

Related manuals for XR-EM20

Brands by name

Popular brands