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“HOW TO ORDER REPLACEMENT PARTS”

To have your order filled promptly and correctly, please furnish the following information.

1. MODEL NUMBER

2. REF. NO.

3. PART NO.

4. DESCRIPTION

NOTE:

Parts marked with 

are important for 

 the safety of the set.

Be sure to replace these parts with

specified ones for maintaining the safety and performance of the set.

PART NO.

DESCRIPTION

INTEGRATED CIRCUITS

CODE

ICI

 01

VH I 

FM RF Amp., 

AF

FM IF/AM Circuit, AN7223

AH

 Amp., LA41 60

AH

TRANSISTOR

 01

Silicon, NPN, 

 GR

AB

DIODES

 

Silicon, 1 N4148

AA

 

Silicon, 1 N4148

AA

 

Silicon, 1 

AB

FILTERS

Ceramic, 10.7 MHz, FM IF

AC

Ceramic, 455 

 AM IF

AE

COILS

FM Antenna

AC

FM RF

AA

FM Oscillator

AC

AM Bar Antenna

AK

AM Oscillator

AC

Noise Suppressor, 

AB

TRANSFORMERS

 OAFZZ

FM IF
FM Detector

AM IF

AD
AC
AC

CONTROLS

TC1.2,

Variable Capacitors,

Tuning with Trimmers:

 FM RF Trimmer

 01

TC2: FM Oscillation

Trimmer

TC3: AM Antenna Trimmer
TC4: AM Oscillation

Trimmer

20 

 Volume Control AF

ELECTROLYTIC CAPACITORS

(All electrolytic capacitors are 

 

Cl 3

 

 

AB

Cl 5

RC-EZAI 

 

 

AB

Cl 7

 

 16V

AB

C23

RC-EZAI 

 

 

AB

C27
c29

c31
C36

Cl 09

Cl 21
Cl 22
Cl 23
Cl 26

PART NO.

 
 
 
 
 
 

 
 
 
 

 
 
 
 A
 
 

RC-EZAI 

 

 

 A
 
 
 

DESCRIPTION

 16V

 

 16V
 35V

 50V

 
 16V

 35V

 

 

 

 

 16V

 16V

 25V

 

 

 16V

 16V

CAPACITORS

AB
AB
AB
AB
AB
AB
AB
AB
AB
AB
AB
AB
AB
AC
AB
AD
AB
AC
AB
AB
AB
AB

(The terms CM and SC used here indicate 

the 

types of capacitor ceramic type

and semiconductor type.)

CODE

Cl

Cl 

 

C l 6

c21

C25
C26
C28
C32.33

     OOJ

 

 

  C M

AA

 

 

 

 

  S C   A A

 

 

 

 

  S C   A A

 

 

 

  4 5 % .   C M

AA

 

 1 

 

 

  C M

AA

 

 OOJ 

 

 

  C M

AA

 

 

 

 

 

C

M

AA

 

 

 

 

AA

CM

 

 

 

 

  S C   A A

 

 

 

 

  S C

AA

 

  0 3 M  

 

 

  S C

AA

V C T Y P A l  

 

 

 

 SC

AA

 

 

 

 

  S C

AA

 

 

 

 

  C M   A A

V C T Y P A l  

 

 

 

 SC

AA

 

 

 

 

  S C

AA

 

 

 

  C M

AA

 

 

 

 

  S C

AA

 

 

 

 

  S C

AA

 

 

 

 

  S C   A A

 HB821   

 

 

  C M

AA

 

 

 

 

  S C   A A

 

   

 

 

  C M

AA

 

 

 

 

  S C

AA

 

 

 

  C M

AA

 

 

 

 

  C M

AA

Содержание QT-15X

Страница 1: ... 8 OQOHz Power source AC 11 OV 127Vl22QV 24OV Signal noise ratio 38dB 50160Hz with AC adaptor Output impedance Earphone 6 32 ohms Speaker EP 15xj DC 9V UM SUM3 or R6 x 6 8cm 3 l 8 permanent dynamic speaker RADIO SECTION Frequency range AM 526 5 1 606 5kHz FM 87 6 108MHz Output power PMPO 3 5W AC operation MPO 2 6W AC operation Specifications for this model are subject to change with RMS 1 5W DC op...

Страница 2: ...nit q REMOVAL OF FRONT CABINET Refer to Figures 2 3 and Z 4 1 Remove the tuning control knob 2 Remove five screws from the rear cabinet Two of them are in the battery case 3 Push the stop eject button to open the cassette holder 4 Withdraw the front cabinet by holding its both sides At this time disconnect two lead wires from the speaker Figure 2 3 q REMOVAL OF MECHANISM BLOCK Refer to Figure 2 5 ...

Страница 3: ...inch roller inch Roller Pressure swng RECORD PLAYBACK HEAD AZIMUTH ADJUSTMENT 1 Connect instruments as shown in Figure 3 2 2 Adjust the head azimuth adjusting screw so that the output signal will have maximum waveform Figure 3 l ELECTRONIC VOLTMETER TAPE SPEED ADJUSTMENT 1 Connect instruments as shown in Figure 3 3 2 Put a screwdriver for high frequency use into the hole of the motor and adjust th...

Страница 4: ...ent in step 4 see NoteA TEST QUEN S E T FRE D AL ADJUST STEP BAND S T A G E Cy MENT REMARKS TING IF Connect instruments as shown in Figure 4 3 High Adjust for 1 AM IF 455kHz end of T3 best IF dial CUNe RF Connect instruments as shown in Figure 4 4 RF Connect instruments as shown in Figure 4 4 Low 2 AM 6and 5lOkHz endof L6 dial CO I r I 3 I AM I age I 1660 IeEEf I TC4 I Adiust for kHz dial maximum ...

Страница 5: ... the generator by putting off the marker 10 7 MHZ FM SWEEP GENERATOR S OSCILLOSCOPE CURVE TP2 TP5 Figure 5 l FM IF FM SIGNAL GENERATOR Telescopic Earphone ELECTRONIC VOLTMETER TP2 Figure 5 2 FM RF w To Tslncopic Rod Antenna w To Chassis GND 2 Output impedance of signal gsnertior Figure 5 3 FM DUMMY Color Mark 1 Input 2 GND 3 output Figure 5 4 NOTES ON SCHEMATIC DIAGRAM 1 Resistor The voltages in e...

Страница 6: ... 4L E r I Figure 6 SCHEMATIC DIAGRAM 6 ...

Страница 7: ...1 2 3 4 5 6 Figure 7 WIRING SIDE OF P W BOARD 7 ...

Страница 8: ... Nylon Bond 60mm M401 I i l The parts without number are not supplied for servicing 1 I 2 3 I 4 5 6 Figure 8 CABINET EXPLODED VIEW 8 ...

Страница 9: ...I I cl 11 I m 0 1 0 I m I D iii I W 0 z s 48 ii 19 4g c Q ZO 7 46 y l I t SW401 ...

Страница 10: ...O PC EZA476AFl C RC EZAl07AFl C RC EZA106AFl C RC EZA475AFl V RC EZA105AFl H RC EZA334AFl H RC EZA336AFl C RC EZA226AFl C RC EZA334AFl H RC EZA475AFl V RC EZAl06AFl C RC EZA107AFl C RC EZA107AFl C RC EZV477AFl A RC EZA226AFl C RC EZVl08AFl C RC EZAI 07AFlC RC AZ1 OOSAFZZ AC EZA227AFl A RC EZA107AFl C RC EZA476AFl C RC EZV277AFl C DESCRIPTION 47pF 16V lOOpF 16V 1 O uF 16V 4 7 F 35V 1pF 50V 0 33pF 5...

Страница 11: ...39 40 41 42 43 46 47 48 49 50 51 52 53 54 55 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 101 101 101 101 Not Available Main Chassis Assembly LCHSSOl85AFFW Sub chassis AD LDAIH0061 AFZZ Head Base AB LRTN POO53AFZZ Retaining Ring Fast Forward AA Gear LX BZ0451AFFD Screw Motor Retaining AA LX HZ0056AFFD Screw Pinch Roller AA LX WZ9064AFZZ Washer 1 5mm Dia x 4mm A A Dia X 0 5mm LX WZI 070AFZZ Washer ...

Страница 12: ...15xw Frame QT 15XR Frame QT 15XB Frame QT 15X BK Tuning Control Shaft AB AA AC AC AB AB AQ AQ AB AB AB AC AA AD AA AB AK AK AK AK AB L REF NO 129 130 131 132 133 134 135 135 135 135 4 9 PART NO DESCRIPTION CODE 92LSZR6S262A Screw Dial Stringing Drum 92LWHEL035 Drum Dial Stringing 92LSUPT262B Terminal Rod Antenna 92LLID262A Lid Battery Compartment 92LCSPR035 Spring Dial Stringing 92LIN MIC 262A Bui...

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