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REF. NO.

RI 36

RI 68

 

 01

QCNW-2451 AFZZ

 01

QCNW-2454AFZZ

CNS102

QCNW-2455AFZZ

CNS103

QCNW-2456AFZZ

 01

 03

 01

MO201

 01

 02

QSW- 

SW201
SW202

2

3
6
7
8
9

10

11
12
13
14

PART NO.

DESCRIPTION

 kohm

3.3 kohms
3.3 kohms

 

560 ohms

 

1 kohm
1 kohm
2.2 kohms
1 Mohm
10 kohm
56 ohms

 kohm

4.7 kohms
4.7 kohms

 

 

100 ohm

 01 

100 ohm
4.7 kohms

4.7 kohms

2.7 kohms
2.7 kohms

 

 01 

100 ohm

 

100 ohm

 

 ohm

 01 

100 ohm

 

680 ohms

 

1 kohm

CIRCUIT PARTS

2Pin Bord in Plug Assembly

 Socket Assembly

7Pin Socket Assembly
3Pin Socket Assembly

Plug, 

Plug, 7Pin
Plug, 3Pin
External Microphone Jack

 

External Microphone Jack

(Right)

Headphones Jack
Motor Assembly
Socket, AC Power Supply

(with AC/DC Selector

Switch)

Speaker
Speaker
Switch, Slide Type
Switch, Push Type
Switch, Push Type
Switch, Slide Type

Switch, Leaf Type
Switch, Leaf Type

MECHANICAL PARTS

 15

Main Shassis Assembly
Lever, Record/Playback

Selector

Lever, Erase Prevention
Sub-Chassis
Head Base
Lever, Auto Stop Sensor
Spring, Head Azimuth
Spring. Over Stroke
Spring, 

Pinch Roller Assembly
Spring, Pinch Roller

CODE

AA
AA
AA
AA
AA
AA

AA
AA
AA
AA
AA
AA
AA
AA
AA

AA
AA
AA
AA
AA
AA
AA

AA
AA
AA

AC

AF
AF
AF

AB
AB
AA
AC

AC

AF
AT

AG

AN
AN

AM

AE

AG

AF
AE
AE

AQ
AC

AC
AD
AD
AD
AB
AB

AC

AG

AC
AC

Stop Washer, Pinch Roller
Roller, Fast Forward/Rewind AK

Assembly

PART NO.

19
20

21
22
24
26
27
28

29
31

94 

32
34
35
37
39
40
41

43
46

47

48

50

51

52
53

94 

 8000909

54
55
56

94 

57
58

59
60
61

62
63

94 

 80009348

64
65

66
67
68

69

71
73
74
75
76
77
79
80

81

83
84
85

87

90
91

DESCRIPTION

CODE

Lever, Playback Idler

AE

Idler. Playback

AE

Spring, Playback Idler

AC

Spacer, Playback Idler

A0

Gear, Fast Forward

AD

Flywheel Assembly

AK

Bracket, Flywheel

AE

Bracket, Flywheel

AB

Spring, Flywheel

AC

 Take-Up Assembly AG

Spring, Take-Up Turntable

Turntable, Supply Assembly AG

Spring, Supply Turntable

AB

Bracket, Motor

AD

Belt, Motor Drive

AG

Cushion, Motor

AB

Screw, Motor

AB

Cushion, Vibration Prevention AC

Lever, Cassette Holder

AC

Release

Spring, Cassette Holder

AB

Release Lever

Spacer, Cassette Holder

AA

Release Lever

Chassis, Button Operation

AF

Lever (Right)

Chassis, Button Operation

AF

Lever (Left)

Lever, Pause Lock Assembly AE
Lever, Stop/Eject

AC

Lever, Fast Forward

AD

Lever, Rewind

AD

Lever, Playback

AC

Lever, Record

AC

Spring, Record/Playback/ AC

Stop Lever

Spring, Rewind Lever

AC

Spring, Fast Forward Lever

AC

Spring, Pause Lock Lever

AC

Lever, Button Lock Assembly AD
Spring, Button Lock Lever

AB

Shaft, Button Lock 

 Left) AB

Shaft, Button Lock Lever

AC

(Right)

Lever, Record Joint

AB

Lever, Pause Lock Selector

AC

Spring, Pause Lock Selector AC

Lever

Stop Washer, Pause Lock

AA

Selector Lever

Spring, Cassette Pressure
Lever, Switch Joint
Lever, Timing
Lever, Panel Return
Spring, Panel Return Lever
Lever, 

 Arm

Spring, Timing Lever
Screw, 2mm Dia.   5mm
Screw, 2mm Dia.   4mm
Screw, Taptite, 2mm Dia.

  4 m m

AC

AC
AC
AC
AB
AC
AA
AA
AA
AA

Screw, 

 Dia.   5mm

AA

Screw, 2mm Dia.   7mm

AA

Screw, 2mm Dia.   7mm

AA

Screw, 2mm Dia.   8mm

AA

Screw, 

 Dia.   4mm

AA

Screw, 2mm Dia.   5mm

AA

Screw, 2mm Dia.   

AA

Washer, 

 Dia.   7mm AA

Dia.   

 

Содержание QT-50Z

Страница 1: ...and only parts identical to those pacified be used f Page SPECIFICATIONS 2 NAMES OF PARTS 2 DISASSEMBLY 3 VOLTAGE SELECTION 3 STRINGING OF DIAL CORD 4 MECHANICAL ADJUSTMENT 4 CIRCUIT ADJUSTMENT 5 6 SCHEMATIC DIAGRAM 7 8 NOTES ON SCHEMATIC DIAGRAM 9 WIRING SIDE OF P W BOARD 9 IO EXPLODED VIEW 11 12 REPLACEMENT PARTS LIST 13 16 INDEX TO CONTENTS T SHARP CORPORATION ...

Страница 2: ...s RADIO Frequency range AM 526 5 kHz 1606 5 kHz SW 2 3 MHz 7 3 MHz SW 7 3 MHz 22 MHz FM 87 6 MHz 108 MHz SPEAKERS Speakers 9 cm 3 l 2 x 2 Specifications for this model are subject to change without prior notice 1 Volume Control 2 Balance Control 3 Tone Control 4 Function Selector Switch 5 Pause Button 6 Stop Eject Button 7 Fast Forward Button 8 Rewind Button 9 Play Button 10 Record Button 11 FM Mo...

Страница 3: ... integrated circuits and other circuits when servicing STEP REMOVAL PROCEDURE 1 Front cabinet 1 Battery compart ment lid A x 1 ZScrew B x6 3 Open the cassette holder C 4 Open the 2 3 Mechanism block 1 Tape counter drive Main P W Board cabinet D 5 Socket E x 1 belt F x 1 2 Screw IG x 2 3 Socket HI x 2 l Screw 11x8 2 Tip J x 2 I 3 2 3 3 3 4 Set the mechanism in such a way as that the record play bac...

Страница 4: ...ADPHONES FRECXJENCY HEAD lAtiK PLAY BACK COUNTER M Azimuth Tape spa TEST TAPE m r 1 11 Figure 4 4 TAPE SPEED TEST TAPES 1 TORQUE METER FOR COMPACT CASSETTE COMPACT CASSETTE TYPE TITLE FLUTTER MODEL FREQUENCY LEVEL APPLICATION Tape speed MTT 111 3 kHr 10 10 Wow and flutter check MODEL MEASUREMENT RANGE APPLICATION TW 2111 lo 16Ogcm Normal Playback torque 1 5 log cm Normal Back tension TW 2121 lo 1O...

Страница 5: ...NT TUNER SECTION IIGNAL GENERATDR 400 Hr 30 AM modulated FRE D I A L AD TEf SyAyE QUE POINTER JUST REMARKS N C Y SElTlNG MENT 4M IF AM RF SWt RF SWz RF Figure 5 l PLAYBACK AMPLIFIER SENSITIVITY Lowest 7 2 25 L7 Band MHZ frequency coverage 8 7 4 MHz Highest frequency TC4 Adjust for maximal output 9 2 6 MHz 2 6 MHz L4 Tracking 10 6 0 MHz 6 0 MHz TC3 11 Repeat steps 7 B 9 and 10 until no further impr...

Страница 6: ...or maximal output Figure 6 2 FM IF CURVE Figure 6 3 FM S CURVE 88 MHz 108 MHz 8 IRepeat steps 4 5 and 6 7 until no further Improvement can be made I I O 1 GND GNO VCO FREQUENCY ADJUSTMENT Figure 6 4 FM RF SIGNAL GENERATOR 400 Hz 30 FM unmodulated mono signal DIAL FREQUENCY POINTER ADJUST MENT REMARKS SETrING FM IC3 SlGNAL GENERATOR FREO UENCY COUNTER 52 See c e 6 Figure 6 5 FM STEREO FM mono posit...

Страница 7: ...1 I 2 I 3 I 4 I 5 I 6 MAIN P W B CIRCUIT TX p iMYl oz CC 1T l NOTES ON SCHEMATIC DIAGRAM can be found on page 9 1 I 2 I 3 I 4 I 5 I 6 Figure 7 SCt 7 ...

Страница 8: ...m B I I I i I I ...

Страница 9: ...to electrolytic capacitor the expression capacitance withstand voltage is used l The indicated voltage in each section is the one measured by Digital Multimeter between such a section and the chassis with no signal given 1 AM mode Marking except for 1 FM mode l Schematic diagram and Wiring Side of P W Board for this model are subject to change for improvement without prior notice Parts marked with...

Страница 10: ...I 7 I 8 I 9 I 10 I 11 I 12 0 r o II the r this main parts I per I 7 I 8 I 9 I 10 I 11 I 12 G SIDE OF P W BOARD lO ...

Страница 11: ...A 85 86 75 m 79 B 1 I 2 I 3 I 4 I 5 I 58 E 9 96 9 57 I lb F c 1 1 2 I 3 I 4 I 5 1 Figure 11 MECHANISM EXPLODED VIEW ll ...

Страница 12: ...A B c D E F G H 1 I 2 I 3 I 4 I 5 I 6 2 0 4 201 243 242 L 1 a I Figure 12 CABINET EXPLODED VIEW I Y I VJ 12 ...

Страница 13: ...Z Ceramic FM IF 10 7MHz RFILA0085AFZZ Ceramic AM IF 455kHz AC AE REF NO PART NO DESCRIPTION CONTROLS CODE vc1 2 vc3 4 TC1 2 TC3 4 TC5 RVC R0083 AFZZ Variable Capacitors Tuning AN RTO H1072AFZZ AC TC6 RTO H1072AFZZ AC TC7 RTO H1072AFZZ TC8 RTO HI 072AFZZ vc5 VRl VRI 01 VR102 VRI 03 RVC Z0062AFZZ RVR M0390AFZZ RVR ZO178AFZZ with Trimmers Trimmer AM Antenna Trimmer Trimmer AM Oscillation Trimmer Trim...

Страница 14: ...V f30 S C A A VCTYMFI HV472N 0 0047 ELF 5OV 30 SC AA VCTYMFI HV272K 0 0027 LF 5OV flO S C A A VCTYMFl HV272K 0 0027 pF 5OV flO S C A A RC QZA154AFYK 0 1 5 pF 25V flO M L A C RC QZA154AFYK 0 1 5 pF 25V flO M L A C VC WMFJC f223N 0 022 pF 16V 309 a S C A A VCKYMFl HBI 81 K 180 pF 5OV It1 0 C M AA VCKYMFl HB181 K 180 pF 5OV lO C M A A REF NO PART NO DESCRIPTION CODE Cl67 VCTYPAlEX473M 0 0 4 7 pF 25V ...

Страница 15: ...504 20 94R18000635 21 94R18000608 22 94Rl8000609 24 94R18000610 26 94R180007317 27 94R180000726 28 94R12000906 29 94R18000707 31 94 R180005303 32 94R18000508 34 94R180005302 35 94R18000507 37 94R18001005 39 94R18001010 40 94R5880910 41 94R12001201 43 94R5630902 46 94R18001114A 47 94R18001123 48 94R18001103 50 94R18000934 51 94R18000935 52 94R180009501 53 94 RI 8000909 54 94R18000941 55 94R18000942...

Страница 16: ...25 226 227 228 229 230 231 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 248 600 601 602 603 604 605 606 607 PART NO DESCRIPTION CODE LX JZ0004AFFD Taptite Screw l0mm Dia AA X 13mm MLIFP0034AFZZ Damper AC MSPRC0479AFFW Spting Battery Terminal AC I MSPRC0480AFFW Spring Battery TerminaL AC MSPRDO611 AFFJ Spring Cassette Holder AA MSPRD0592AFFJ Spring Record Playback AB Selector NBL...

Страница 17: ...ombined Assemblv I 201 2 HDALM044lAFSA AF 201 3 HDECS0055AFSA AF 202 GCABB1916AFSA AV 204 IGFTA 0013AFSA 1 AM 204 l IGFTAC1399AFSA AK 1204 2 HPNLH1073AFSA A C 205 GFTAB1159AFSA AE 206 HiNDP1049AFSA A C 231 QANTR0140AFSA A M 1 PACKING PART CCAB 1315AFo9 AT Same as 5OZ W Same as 5OZ W GCABB1916AFSE AV GFTA 0013AFSE AM GFTAC1399AFSE AK Same as 5OZ W GFTAB1159AFSE AE HiNDP1550AFSA A C QANTR0140AFSB A ...

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