background image

CT-203/2050/KXF-W4010/W6010

23

SPECIFICATIONS

[MODEL: CT-2050/KXF-W6010]

Track System ............................4 track, 2 channel stereo
Recording System ....................AC bias (Frequency: 105 kHz)
Heads .......................................A DECK

Playback/recording heads ..1
Erasing head ......................1

B DECK

Playback/recording heads ..1
Erasing head ......................1

Motors.......................................A DECK .............DC motor x 1

B DECK .............DC motor x 1

Wow and Flutter .......................±0.17 % (IEC)

±0.28 % (DIN)
0.1 % (W.R.M.S)

Fast Winding Time ...................Approx.  110  seconds   (C-60

tape)

Frequency Response

TYPE 

ø

tape .........................30 Hz to 18,000 Hz, ±3 dB

TYPE 

¿

tape .........................30 Hz to 19,000 Hz, ±3 dB

Signal to Noise Ratio

Dolby NR OFF........................56 dB
(IEC, 250 nWb/m, TYPE 

¿

tape)

Dolby NR OFF........................59 dB
Dolby B NR ON ......................68 dB
Dolby C NR ON ......................75 dB
(3rd, H.D., 3 %, TYPE 

¿

tape)

Harmonic Distortion..................Less than 1.2 %

(at 315 Hz, 3rd H.D., 250 nWb/m, TYPE 

¿

tape)

Input sensitivity/Impedance

LINE IN...................................122.8 mV/47 k

Output Level/Impedance

LINE OUT...............................775 mV/1.0 k

Headphones ...........................0.5 mW/32 

[General]
Power Consumption .................30W
Dimensions...............................W :  440 mm (15-3/4")

H  :  134 mm (5-9/16")
D  :  367 mm (15-3/8")

Weight (Net) .............................4.6 kg (10.6 lb)

[MODEL: CT-203/KXF-W4010]

Track System ...........................4 track, 2 channel stereo
Recording System ....................AC bias (Frequency: 105 kHz)
Heads .......................................A DECK

Playback head ....................1

B DECK

Playback/recording heads ..1
Erasing head.......................1

Motors ......................................A DECK .............DC motor x 1

B DECK .............DC motor x 1

Wow and Flutter .......................±0.17 % (IEC)

±0.28 % (DIN)
0.1 % (W.R.M.S)

Fast Winding Time ...................Approx.  110  seconds   (C-60

tape)

Frequency Response

TYPE 

ø

tape .........................30 Hz to 18,000 Hz, ±3 dB

TYPE 

¿

tape .........................30 Hz to 19,000 Hz, ±3 dB

Signal to Noise Ratio

Dolby NR OFF........................56 dB
(IEC, 250 nWb/m, TYPE 

¿

tape)

Dolby NR OFF........................59 dB
Dolby B NR ON ......................68 dB
Dolby C NR ON ......................75 dB
(3rd, H,D., 3 %, TYPE 

¿

tape)

Harmonic Distortion..................Less than 1.2 %

(at 315 Hz, 3rd H.D., 250 nWb/m, TYPE 

¿

tape)

Input sensitivity/Impedance

LINE IN...................................122.8 mV/47 k

Output Level/Impedance

LINE OUT...............................775 mV/1.0 k

Headphones ...........................0.5 mW/32 

[General]
Power Consumption .................30 W
Dimensions...............................W :  440 mm (15-3/4")

H  :  134 mm (5-9/16")
D  :  367 mm (15-3/8")

Weight (Net) .............................4.6 kg (10.6 lb)

KENWOOD follows a policy of continuous advancements in development. For
this reason specifications may be changed without notice.

CT-203/KXF-4010(K) 

COVER( 

 

98.4.25 

0:05 

PM 

 y [ W  

4

Summary of Contents for CT-203

Page 1: ...K29 6935 04 Knob K29 2936 04 Panel A60 Phono jack E63 0136 15 Miniature phone jack E11 0188 05 AC power cord E30 Foot J02 Power cord bushing J42 0083 05 d L Knob K29 Knob K29 Knob K29 Knob K29 Knob BUTTON K27 Phono jack E11 0292 05 Slide switch S31 1036 05 Front glass B10 2450 03 Knob K29 5828 04 Front glass B10 2486 04 Cassette lid R A53 UTIONS FOR REPAIR o KX W4070 W6070 service manual B51 5031 ...

Page 2: ...m an air conditioned place to a place of high temperature with high humidity When there is a large difference between the internal tempera ture of the unit and the ambient temperature or in conditions where condensation occurs easily set may fail into malfunction impossibility to oper lay etc When the power cord is unplugged or due to an external factor In this case exe ethod to reset the microcom...

Page 3: ...k PAUSE key REC ARM key Fast reverse key Fast forward key REC LEVEL BAL BALANCE BIAS control knob KXF W4010 REC LEVEL BAL only MODE key TIMER switch 1 1 HIGH UBBING IGH DUBBING key L DUBBING key llustration shows the KXF W6010 model Operation Indicators Deck A Transport direction Recording indicator KXF W6010 only Pause indicator KXF W6010 only 2 3 8 Operation Indicators Deck B Transport direction...

Page 4: ... STOP REVERSE FORWARD STOP REVERSE DUBBING key NORMAL HIGH MPX FILTER key REV MODE key CCRS key DOLBY NR key RELAY REC key AUTO BIAS key RESET B key COUNTER STOP key STOP key Play keys For deck A Play keys For deck B MPX FILTER key REV MODE key CCRS key DOLBY NR key AUTO BIAS key RESET B key COUNTER STOP key STOP key Play keys For deck A Play keys For deck B key section KXF W4010 key section KXF W...

Page 5: ...NEOUT R L SYSTEM CONTROL Oscilloscope AG AC voltmeter Frequency counter B r to Automatic Adjustment for Playing Recording BIAS level adjustment a Azimuth adjustment screw nections CT 203 2050 KXF W4010 W6010 5 ADJUSTMENT ...

Page 6: ...0 KXF W4010 W6010 ADJUSTMENT ...

Page 7: ...A C E G I B D F H J the schematic diagram for the value of resistors and capacitors BOARD Component side view 7 8 0 12PM y W 1 ...

Page 8: ... 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 5 2 5 3 REC OUT LMA RECT EQ VOL REC EQ 5BI T DAC LMA 5BI T DAC REC EQ EQ VOL RECT REC OUT SW I I L LOGIC C M M B I AS ADJ IN J 5BI T DAC GND COUT B IAS L Vcc 5BI T DAC B IAS R EQ CONTROLER HC HN NM NC NN FM FQ F Q GH GL GP HM D GND ON OFF C O NPX RESE T R123 R90 R89 62K C81 0 1µ50 R79 100K R88 10K C79 18P C80 18P R80 C82 100K 0 1µ5...

Page 9: ...E B R P NC CE PHB PHA CW CCW NC IN MUTE OSC OUT S BUSY S DATA CLK STB DATA 4 00 1 2 5 K READ NOR A B IA S KR1 KR2 KR3 KR4 KR5 PLAY A B DATA CLK R MUTE L MUTE LEVEL R LEVEL L 70 HSP BI AS 70 NSP BSOL RESET EXTAL XTAL VSS BCPM BCSP ASOL ACPM ACSP S24 S23 X1 10MHz R224 100K R226 R228 22K 150K 3 2 1 R223 100K R225 R227 22K 150K 5 6 7 C146 C147 1 µ50 1 µ50 R231 6 20 R204 10K R190 R191 6 8 6 8 R189 2 2K...

Page 10: ...D47 D49 S12 S13 D51 S17 D42 D53 S15 D43 S6 D44 D45 D39 S7 S8 S2 D56 S21 S4 S5 D54 S18 D52 S16 D46 S19 D57 S22 S20 D80 D81 D40 S3 S9 D55 S10 S14 D50 D66 D48 S31 DI RECTI ON HIGH DUBB NOR DUBB B B B MODE A A AUTO B IAS A COUNTER RESET A REL AY REC CCRS DOLBY COUNTER RESET B TIMER REC PLAY MPX 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 33 34 35 36 37 38 39 ...

Page 11: ...recommended parts refer to parts list indi cates safety critical components For continued protection against risk of fire replace only with same type and rating fuse s To reduce the risk of electric shock leakage current or resis tance measurements shall be carried out exposed parts are acceptably insulated from the supply circuit before the appliance is returned to the customer The DC voltage is ...

Page 12: ...1 2 A C B Parts with the exploded numbers larger than 700 are not supplied CT 203 2050 KXF W4010 W6010 16 EXPLODED VIEW MECHANISM ...

Page 13: ...0 are not supplied A ø2x8 Bi Tap P N82 2608 46 B ø3x8 Bi Tap P N82 3008 46 C ø3x8 Bi Tap BLK N89 3008 45 D ø3x8 Bi Tap N89 3008 46 E ø3x18 Bi Tap N89 3018 46 F ø4x6 Bi Tap N86 4006 46 G ø3x8 C Tap N09 2666 05 CT 203 2050 KXF W4010 W6010 17 EXPLODED VIEW UNIT ...

Page 14: ... C15 16 CE04LW1C470M ELECTRO 47UF 16WV C17 18 CQ93FMG1H223J MYLAR 0 022UF J C19 20 CE04LW1H100M ELECTRO 10UF 50WV 601 1D A01 3555 01 METALLIC CABINET 605 2D A53 2038 12 CASSETTE LID L KP 4 605 2D A53 2040 12 CASSETTE LID L Y 4 605 2D A53 2041 12 CASSETTE LID L KP 6 605 2D A53 2063 02 CASSETTE LID L MXTEE1 4 605 2D A53 2065 02 CASSETTE LID L MTEE1 6 606 2D A53 2039 12 CASSETTE LID R KPY 606 2D A53 ...

Page 15: ...1H681KMM CERAMIC 680PF K C25 26 CK45FB1H391KMM CERAMIC 390PF K C27 28 CQ93FMG1H223J MYLAR 0 022UF J C29 32 CE04LW1H010M ELECTRO 1 0UF 50WV C33 36 CK45FB1H332KMM CERAMIC 3300PF K C37 38 CQ93FMG1H393J MYLAR 0 039UF J C39 40 CC45FSL1H221JN CERAMIC 220PF J C41 46 CE04LW1H010M ELECTRO 1 0UF 50WV C47 48 CQ93FMG1H273J MYLAR 0 027UF J C49 50 CC45FSL1H221JN CERAMIC 220PF J C51 56 CQ93FMG1H222J MYLAR 2200PF...

Page 16: ...209 05 LC FILTER L9 L32 0570 05 BIAS OSCILATING COIL X1 L78 0294 05 RESONATOR 10 000M CP2 R90 0818 05 MULTI COMP 47KX5 J 1 6W R155 RD14NB2E181J RD 180 J 1 4W R177 RD14NB2E150J RD 15 J 1 4W R180 RS14KB3A102J FL PROOF RS 1 0K J 1W R254 RD14NB2E150J RD 15 J 1 4W R261 RD14NB2E8R2J RD 8 2 J 1 4W R262 RD14NB2E8R2J RD 8 2 J 1 4W E1 R262 RD14NB2E8R2J RD 8 2 J 1 4W YMXTE VR1 2 R12 3685 05 TRIMMING POT 10K ...

Page 17: ...8 08 BRACKET L B MECHA 477 2C J21 6179 08 BRACKET R A MECHA Q17 18 2SC2458 Y GR TRANSISTOR Q17 18 2SC3311A Q R TRANSISTOR Q19 20 DTC124ES DIGITAL TRANSISTOR Q19 20 UN4212 DIGITAL TRANSISTOR Q21 2SC2458 Y GR TRANSISTOR Q21 2SC3311A Q R TRANSISTOR Q22 DTC124ES DIGITAL TRANSISTOR Q22 UN4212 DIGITAL TRANSISTOR Q23 25 DTA124ES DIGITAL TRANSISTOR Q23 25 UN4112 DIGITAL TRANSISTOR Q26 28 DTC124ES DIGITAL ...

Page 18: ...BIND TAP TITE SCREW 2 6 6 Y N19 1287 08 POLY WASHER Z N19 1288 08 POLY WASHER 480 1C 2C S74 0033 08 REC SWITCH 481 1C 2C S74 0042 08 PLAY SWITCH 484 1C T94 0233 08 SOLENOID ASSY 485 1C 2C T95 0125 08 PHOTO INTERRUPTER MM 1C T42 0687 08 MOTOR ASSY PH 1A T31 0072 08 ROTATION HD PB KP 7442 CS 8352 4A RPEH 2A T39 0027 08 ROTATION HD RP KC 9242 CB 8354 6 RPEH 2A T39 0027 08 ROTATION HD RP KC 9242 CB 83...

Page 19: ...g System AC bias Frequency 105 kHz Heads A DECK Playback head 1 B DECK Playback recording heads 1 Erasing head 1 Motors A DECK DC motor x 1 B DECK DC motor x 1 Wow and Flutter 0 17 IEC 0 28 DIN 0 1 W R M S Fast Winding Time Approx 110 seconds C 60 tape Frequency Response TYPE ø tape 30 Hz to 18 000 Hz 3 dB TYPE tape 30 Hz to 19 000 Hz 3 dB Signal to Noise Ratio Dolby NR OFF 56 dB IEC 250 nWb m TYP...

Page 20: ...re Homebush N S W 2140 Australia KENWOOD LEE ELECTRONICS LTD Unit3712 3724 Level37 Tower1 Metroplaza 223HingFongRoad KwaiFongN T HongKong KENWOOD ELECTRONICS GULF FZE P O Box 61318 Jebel Ali Dubai U A E KENWOOD ELECTRONICS SINGAPORE PTE LTD No 1 Genting Lane 02 02 KENWOOD Building Singapore 349544 KENWOOD ELECTRONICS MALAYSIA SDN BHD 4 01 Level 4 Wisma Academy Lot 4A Jalan 19 1 46300 Petaling Jaya...

Reviews: