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SPECIFICATIONS

Design and specifications are subject to change without notice.

MAIN UNIT CX-LEM70 (K) / CX-LEM71 (EZ)

TUNER

FM tuning range

87.5 MHz to 108 MHz

FM usable sensitivity (IHF)

16.8 dBf

FM antenna terminal

75 ohms (unbalanced)

MW tuning range

531 kHz to 1602 kHz (9 kHz step)

530 kHz to 1710 kHz (10 kHz step)

MW usable sensitivity

350

V/m

LW tuning range

144 kHz to 290 kHz

LW usable sensitivity

1400

V/m

MW/LW antenna

Loop antenna

AMPLIFIER

Power output

Rated: 28 W + 28 W

(6 ohms, T.H.D. 1%, 1 kHz/DIN 45500)

Reference: 35 W + 35 W

(6 ohms, T.H.D. 10 %, 1 kHz/DIN 45324)

EZ: DIN MUSIC POWER

75 W + 75 W

Input

AUX IN: 700 mV

Outputs

SPEAKERS: 6 ohms or more

PHONES: 32 ohms or more

DIGITAL OUT (OPTICAL) jack

CASSETTE DECK

Track format

4 tracks, 2 channels stereo

Frequency response

50 Hz - 15000 Hz

Recording system

AC bias

Heads

Recording/playback X 1, erase X 1

CD PLAYER

Laser

Semiconductor laser (

= 780 nm)

D/A converter

1 bit dual

Signal-to-noise ratio

88 dB (1 kHz, 0 dB)

Harmonic distortion

Unmeasurable (1 kHz, 0 dB)

Wow and flutter

Unmeasurable

GENERAL

Power requirements

230 V AC, 50 Hz

Power consumption

60 W

Power consumption in

standby mode

With ECO mode on or auto: 0.8 W

With ECO mode off: 11.1 W

Dimensions (W

191.5 x 249.0 x 389.0 mm

Weight

5.3 kg

SPEAKER SYSTEM SX-LEM70

Speaker system

2 way, bass reflex (magnetic shielded)

Speaker units

Woofer: 120 mm cone

Tweeter: 25 mm dome

Impedance

6 ohms

Dimensions (W

155 x 250 x 218 mm

Weight

2.4 kg

All manuals and user guides at all-guides.com

Содержание XR-EM70

Страница 1: ...EZ S M Code No 09 019 449 6R1 This Service Manual is the Revision Publishing and replaces Simple Manual of XR EM70 K 71 EZ S M Code No 09 018 449 6T1 REVISION XR EM70 SPEAKER SYSTEM CX LEM70 RC BAT15...

Страница 2: ...22 WIRING 7 DECK FRAME DRIVE HEAD 23 IC BLOCK DIAGRAM 24 25 FL HNA 11MS25 GRID ASSIGNMENT AND ANODE CONNECTION 26 IC DESCRIPTION 27 32 ADJUSTMENT TUNER DECK CD FL 33 39 CD TEST MODE 40 MECHANICAL EXPL...

Страница 3: ...ONES 32 ohms or more DIGITAL OUT OPTICAL jack CASSETTE DECK Track format 4 tracks 2 channels stereo Frequency response 50 Hz 15000 Hz Recording system AC bias Heads Recording playback X 1 erase X 1 CD...

Страница 4: ...rstr lning som verskrider gr nsen f r laserklass 1 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING CAUTION Use of controls or adjustments or performance of proce dures other than those specified h...

Страница 5: ...0 CAP E 22 50 SMG C113 87 012 195 080 C CAP U 100P 50CH C114 87 012 195 080 C CAP U 100P 50CH C117 87 A12 317 080 C CAP U 0 1 50 ZF C118 87 A12 317 080 C CAP U 0 1 50 ZF C119 87 012 286 080 CAP U 0 01...

Страница 6: ...6F C546 87 A12 064 080 CAP E 1000 10 SMG C547 87 010 831 080 C CAP U 0 1 16F C560 87 A12 089 080 CAP E 3 3 50 SMG C561 87 A12 071 080 CAP E 47 25 SMG C861 87 010 405 080 CAP ELECT 10 50V EZ C862 87 01...

Страница 7: ...50CH C603 87 012 195 080 C CAP U 100P 50CH C604 87 012 195 080 C CAP U 100P 50CH C605 87 012 195 080 C CAP U 100P 50CH C606 87 012 195 080 C CAP U 100P 50CH C611 87 010 831 080 C CAP U 0 1 16F C612 8...

Страница 8: ...0 C CAP U 18P 50 CH C918 87 012 172 080 CAPACITOR CHIP U 10P CH C919 87 012 184 080 C CAP U 33P 50 CH C920 87 012 184 080 C CAP U 33P 50 CH C921 87 012 180 080 C CAP U 22P 50 CH C922 87 012 174 080 CA...

Страница 9: ...TION REF NO KANRI NO PART NO DESCRIPTION REF NO KANRI NO PART NO 8 8 A Resistor Code Chip Resistor Part Coding Figure Value of resistor Chip resistor Wattage Type Tolerance 1 16W 1 10W 1 8W 1608 2125...

Страница 10: ...2SC2240 GR BL 2SD655E 2SA1235F 2SA1514K S 2SC2620B 2SC3052F 2SC3906KR 2SC5345SF S O CSD1306E 2SK2158 B C E 2SB1677 2SD2619 2SK360E C B S G D G D S E 2SB1370E B C E G D S 2SK3053 DTA144EKA DTC144EKA KR...

Страница 11: ...IN PHONE OPTICAL 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 All manuals and user guides at all guides com a l l g...

Страница 12: ...12 SCHEMATIC DIAGRAM 1 MAIN 1 2 PHONE OPTICAL HEAD All manuals and user guides at all guides com...

Страница 13: ...13 SCHEMATIC DIAGRAM 2 MAIN 2 2 AMP SECTION All manuals and user guides at all guides com...

Страница 14: ...14 WIRING 2 FRONT 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 All manuals and user guides at all guides com...

Страница 15: ...15 WIRING 3 FL 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 All manuals and user guides at all guides com...

Страница 16: ...16 SCHEMATIC DIAGRAM 3 FRONT FL DECK FRAME DRIVE All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 17: ...WIRING 4 CD CD DRIVE CD LOAD 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 All manuals and user guides at all guides...

Страница 18: ...18 SCHEMATIC DIAGRAM 4 CD CD DRIVE CD LOAD All manuals and user guides at all guides com...

Страница 19: ...19 WIRING 5 TUNER 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 All manuals and user guides at all guides com...

Страница 20: ...20 SCHEMATIC DIAGRAM 5 TUNER All manuals and user guides at all guides com...

Страница 21: ...21 WIRING 6 PT 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 All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 22: ...22 SCHEMATIC DIAGRAM 6 PT All manuals and user guides at all guides com...

Страница 23: ...23 WIRING 7 DECK FRAME DRIVE HEAD 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 All manuals and user guides at all guides com...

Страница 24: ...24 IC BLOCK DIAGRAM All manuals and user guides at all guides com...

Страница 25: ...25 All manuals and user guides at all guides com...

Страница 26: ...26 FL HNA 11MS25 GRID ASSIGNMENT ANODE CONNECTION GRID ASSIGNMENT ANODE CONNECTION All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 27: ...es the gain 19 JP O Track jump control tri state output 20 JP 21 PCK O Monitors the clock signal for EFM data playback 4 3218MHz when the phase is locked Not used 22 FSEQ O Sync signal detection outpu...

Страница 28: ...n not used Connected to 0V 52 FSX O 7 35kHz sync signal output obtained by dividing the oscillator frequency Not used 53 WRQ O Subcode Q standby output 54 RWC I Read write control input Schmitt trigge...

Страница 29: ...18 FA O Composes the focusing phase compensation constant between the FD and FA pins 19 FA I Composes the focusing phase compensation constant between the FA and FE pins 20 FE O FE signal output 21 F...

Страница 30: ...3MHz is input from the DSP 51 CL I Microprocessor command clock input 52 DAT I Microprocessor command data input 53 CE I Microprocessor chip enable input 54 DRF O DRF detect RF is an output to detect...

Страница 31: ...A B tab of cassette detect input 22 I ENC3 VOL I Volume rotary encoder A D input 23 I ENC2 TREBLE I Treble rotary encoder A D input 24 I ENC1 BASS I Bass rotary encoder A D input 25 I KEY2 I Key inpu...

Страница 32: ...5 O TUCONT O Tuner ON OFF control output 86 O CLK FUNC O Function IC control clock output 87 O DATA FUNC O Function IC control data output 88 O AMP CONT O Amplifier ON OFF control output Not used 89 V...

Страница 33: ...ment Measuring Device Frequency Counter Test Point CLOCK GND 1 Change to MW and adjust the reception frequency of the set to 1602 kHz 2 Check that the test point CLOCK frequency is 2052 kHz 45 Hz 4 VT...

Страница 34: ...ile looking at the waveform on the oscilloscope reduce the output level all the way 3 Adjust L951 until the value of the millivoltmeter reaches the maximum 7 Tracking Adjustment LW Requirement Measuri...

Страница 35: ...nd reduce the output level all the way 2 Adjust L901 L902 L904 L905 until the value of millivoltmeter reaches the maximum 3 Adjust the S S G setting to 98 0 MHz 75 kHz variation and 66 dBuV for the ou...

Страница 36: ...Audio Signal Generator Attenuator Wow Flutter Meter Frequency Counter Oscilloscope Millivolmeter Dummy Load 6 ohm 1 Connect the set to the measuring device as shown in the following diagram 2 Output 1...

Страница 37: ...t bond lock 1600B the screws 3 Checking Playback Frequency Reponse Requirements Test Tape TTA 300 315 Hz 10 kHz Test Point Lch Rch GND 1 Insert the test tape TTA 300 and playback 315 Hz and 10 kHz 2 U...

Страница 38: ...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 3 Jitter Check 1 While an oscilloscope is kept connected in the...

Страница 39: ...f ATD 001 Check that the noise does not occur and sound skipping does not occur 6 Laser Current Check Do not perform this measurement unless the laser is suspected to be defective 1 Connect a digital...

Страница 40: ...is checked If TOC cannot be read focus DRF check search is continued 4 Traverse Mode PAUSE button Normal Tracking servo OFF ON Tracking balance check STOP button to cancel 5 Sled Mode FF button CD TES...

Страница 41: ...A A F A C B A A B E E A F A E H D D A D D A CHAS MAIN PWB PWB PWB HT SINK SUB B HT SINK ASSY MAIN 2 HT SINK SUB A PWB PWB PWB PWB 1 2 3 4 5 6 7 8 9 29 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 2...

Страница 42: ...8B CLX 012 010 KEY FUNC 9 8B CLX 018 010 REFLECTOR FUNC 10 8B CLX 004 110 PANEL SIDE L 11 8B CLX 203 010 HLDR FL 12 88 923 091 110 FF CABLE 23P 1 25 90MM 13 8B CLX 015 010 KEY EJECT CD 14 8B CLX 016...

Страница 43: ...43 TAPE MECHANISM EXPLODED VIEW 1 2 3 4 5 C 1 C 2 7 8 10 11 12 16 13 14 15 D PWB B E 19 17 6ZM 4 A A 18 9 E 6 All manuals and user guides at all guides com...

Страница 44: ...ASE 10 8A ZM1 220 010 SPR E CLAMP 11 8A ZM1 216 310 PLATE ASSY CLAMP 12 8A ZM1 234 110 TRAY CASSETTE BL 13 87 045 305 010 MOTOR RF 500TB DC 5V 2MA 14 86 ZL1 210 010 PULLEY MOT 15 8Z ZG4 614 010 F CABL...

Страница 45: ...LDR MOT L CUSH G B B 21 A J 22 23 24 25 16 17 19 18 26 a a 47 48 PLATE SHLD DECK 44 43 45 42 41 40 39 38 37 35 34 33 32 36 31 30 29 27 28 46 54 13 3 2 1 4 5 6 53 7 8 8 10 9 11 12 9 15 14 b b I R7NM 52...

Страница 46: ...0 GEAR IDLER 32 82 ZM3 616 010 RING MAGNET 4 33 86 ZM1 219 010 CLR REEL SLIP 34 86 ZM1 220 010 FELT DIA 5 3 14 0 8 35 82 ZM1 216 510 GEAR REEL 36 82 ZM1 224 410 LVR FR 37 82 ZM3 333 310 SLIP DISK ASSY...

Страница 47: ...47 CD MECHANISM EXPLODED VIEW 1 2 b a a b 12 D 3 17 PWB A 1 2 B 8 7 11 10 4 6 5 9 13 14 16 15 C F E F 18 3ZG 2 E3NM 18 All manuals and user guides at all guides com...

Страница 48: ...ZG3 220 210 GEAR PULLEY 2 11 83 ZG3 214 010 BELT L 12 83 ZG3 231 210 TRAY CD 3 13 83 ZG3 230 110 HLDR CHUCK 2 14 86 ZG1 239 110 PLATE DISC PC 15 83 ZG3 604 010 RING MAG 2 16 86 ZG1 238 010 HLDR MAGNE...

Страница 49: ...M21 SW1 4 7 8 1 83 ZG2 262 010 CHAS ASSY E3 2 87 A90 836 010 PICKUP KSS 213F 3 83 ZG2 235 010 GEAR A3 4 83 ZG2 236 010 GEAR MOTOR 3 5 83 ZG2 205 310 GEAR B 6 83 ZG2 253 010 SHAFT SLIDE 5 7 83 ZG2 245...

Страница 50: ...kwise direction until click sound comes out Remove the grill frame and four pieces of rubber caps by pulling out with a flat bladed screwdriver Remove the screws from hole where installed rubber caps...

Страница 51: ...602 010 SPKR W 130 25 2 6 8A CJ5 415 010 TERMINAL 7 8B CP5 610 010 CORD SPKR ACCESSORIES PACKAGE LIST DESCRIPTION REF NO KANRI NO PART NO 1 8B CLX 905 010 IB K E M K 1 8B CLX 906 010 IB EZ 9L M EZ 2...

Страница 52: ...2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 JAPAN TEL 03 3827 3111 Printed in Singapore 9301978 921338 All manuals and user guides at all guides com...

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