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REPLACEMENT PARTS LIST

“HOW TO ORDER REPLACEMENT PARTS”

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

1 .   M O D E L   N U M B E R

2. REF. NO.

3 .   P A R T   N O .

4 .   D E S C R I P T I O N

NOTE:

Parts marked with 

are important for maintaining 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 

 1

FM Front-End, 

AF

FM 

 Circuit, AN7224

AH

PLL FM Stereo Multiplex,

AG

 343 

 Amp.,

AG

VH 

 1

Power Amp., BA5406

AK

Level Meter Drive, 

AF

Graphic Equalizer, 

 AG

Graphic Equalizer, 

 AG

TRANSISTORS

Silicon. NPN, 

 

AB

Silicon, NPN, 

 5 

AB

S i l i c o n ,   N P N ,  

 

  A B

DIODES

Dl

Dl 01

D102

 

Silicon. 1 

AA

 

 

Silicon, 1 

 

AA

 

Silicon, 1 

AA

 

Silicon,   

 33

AA

 

 1 

 33

AA

 

 

Silicon, 1 

A A

LED, Red, 

 Display, AH

Z e n e r ,  

  A B

D103
D104

 

 

 

 

Silicon, 1 

Silicon,   

 33

 

RD5.1 

LED, Red, 

Silicon, 

Silicon, 

Silicon, 

Silicon, 

Port of 

A A

AA

AB

 11

D302

D303

D304

AD

AB

AB

AB

AB

 0

D 4 0 4

COILS

Filter, FM Band Pass
FM RF

FM Oscillator

 Antenna

 Bar Antenna

 Oscillator

 Oscillator

AM Oscillator

4 7  

TRANSFORMERS

FM IF

AD
AA

AC

AD

AG

AC
AC

AC
AB

AC

PART NO.

DESCRIPTION

CODE

T301

FM Detector

AM IF

  P o w e r

AC

AC

FILTERS

CF2

Ceramic, 10.7 MHz (FM IF)

AD

Ceramic, 455 

 (AM IF)

AE

CONTROLS

Variable Capacitors,

Tuning with Trimmers

AN

TC3

TC6

TC8

v c 5

VR202

VR203

 072AFZZ

 072AFZZ

 

Trimmer

AC

Trimmer

AC

Trimmer

AC

Trimmer

AC

Fine Tuning

AE

 VCO Adjustment 

50 

 Balance

AD

Control

20 

 Volume Control AF

 

 Graphic

AG

Equalizer

ELECTROLYTIC CAPACITORS

(Unless otherwise specified, electrolytic capacitors are 

 type.)

C25

C26

c41

C42

c44

c47
C48

c49

c74

c75

Cl 13

Cl 17

Cl 18
Cl 19

Cl 25

 34

C l 4 2

 

 

 A

 A

 

RC-EZAI 

 

 

 

 
 

 

 A

 

 A

 

 

 A

 A

 

 

RC-EZAI 

 

 A

RC-EZAI 

 A

 

 
 

3 3  

  1 6 V

1 0  

  1 6 V

4 7  

 

1 0 0  

 

4 . 7  

  2 5 V

1 0  

 

3 . 3  

 

 

4 . 7  

  2 5 V

 

 

  5 0 V

2 2 0  

 

1 0  

 

4 7  

 

3 3  

  1 6 V

0 . 3 3  

  5 0 V

1 0 0  

 

 

 

3 . 3  

 

3 . 3  

  2 5 V

1 0  

 

4 7 0  

 

4 7  

 

1 0 0  

 

4 7  

 

2 2  

  1 6 V

 

 

AB

AB

AB

AB

AB

AB

AB

AB

AB

AB

AB

AB

AB

AB

AB

AB

AB

AB

AB

AB

AB

AB

AB

AB

AB

AG

AB

Summary of Contents for GF-A2Z(G)

Page 1: ...ors Dimensions AC 110 127V and 220 240V DC 9 V UM SUM 1 or R20 type x 6 PMPO 15 W 7 5 w 7 5 W AC operation MPO 8 W 4w 4w AC operation RMS 4 6 W 2 3 W 2 3 W DC operation 10 distortion 8 ICs 3 Transistors 13 Diodes 6 LEDs Width 550 mm 21 5 8 Height 220 mm 8 5 8 TAPE RECORDER Tape Frequency range Signal noise ratio Wow and flutter Input impedance Loaded impedance Headphones External speakers RADIO Fr...

Page 2: ... 24 Speaker Cord Holder 25 AC Power Supply Socket NAMES OF PARTS 1234 5 6 7 8 9 1011 Figure 2 l 20 21 2 2 2 3 I I I I 24 25 Figure 2 2 24 VOLTAGE SELECTION Before operating the unit on mains check the preset voltage If the voltage is different from your local voltage adjust the voltage as follows Slide the AC power supply socket cover by slightly loosing the screw to the visible indication of the ...

Page 3: ...ont cabinet 1 Knob A x4 2 Battery compartment lid 03 x1 3 Open the cassette holder C 4 Screw D x5 3 l 2 Mechanism block 1 Screw E x2 2 Socket F x2 3 3 Graphic Equalizer 1 Screw G x3 P W Board 3 2 1 I 3 Main P W Board 1 Record interlocking 1 lever H xl 2 2 Socket 1 x1 4 Power Bupply 1 Screw J x P W Board 2 Battery terminal 1 spring K x2 I paaker section Front Cabinet 1 Screw L x5 2 Speaker Cord xl ...

Page 4: ... Repeat steps 78 s and 10 until no further improvement can be made SW RF 12 7 2 MHz Lowest i 8 Band frequency coverage 13 22 5 MHz Highest TC6 frequency Adjust for 14 maximal output 8 5 MHz 8 5 M H z L6 Tracking 15 19 MHz 19MHz TC3 16 Repeat steps 12 13 14 and 15 until no further improvement can be made Sweep generator Test loop AM SW 1 0 pin Oscilloscope Figure 6 l AM IF Figure 6 2 AM RF 8 j T o ...

Page 5: ...e 5 2 TAPE SPEED CIRCUIT ADJUSTMENT AUDIO SECTION COMPACT CASSETTE TYPE DISTORTION DOLBY LEVEL MTT 150 CALIBRATION i FREQUENCY APPLICATION MODEL MEASUREMENT APPLICATION LEVEL RANGE 3 kHz 10 dB Tape speed Wow and flutter check TW 2111 lo 1OOgcm Normal Playback torque 1 1 5 1Ogcm 1 Normal Back tension I 6 3 kHz 10 dB Head azimuth 8 kHz 10 dB adjustment lOkHz 1OdB T W 2 1 2 1 1 lo 1OOgcm Reverse Play...

Page 6: ... INWT so301 T301 0 II p AC 110 27 POWER 5cvGO HZ TflZNSFORMER 0 AC 220 24pv I ty 50 GoHr SWIOI A D FUNCTION SELECTOR SWITCH L SW 102 A J RECORD PLAYBACK SWITCH a SW30 SWZOI AwE L O U D N E S S S W I T C H AC DC SELECTOR 9 Figure 4 BLOCK DIAGRAM 4 ...

Page 7: ...1 400 Hz 30 FM modulated DIAL P O I N T E R A y REMARKS SETTING I II Using a minus driver turn the core of VCO FREQUENCY ADJUSTMENT SIGNAL GENERATOR 400 Hz 30 FM modulated I mono signal DIAL FREQUENCY POINTER ADJUST REMARKS SETTING MENT FM mono position FM stereo position unmodulated 98 MHz at 54 dB 98 MHz VRI Adjust for 38 00 kHz f 1OOH z Sweep TP2 TP5 Figure 7 l FM IF later si c a See Figure 7 4...

Page 8: ...crofarad As to elec trolytic 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 AMmode 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...

Page 9: ... A B C D E F G H 1 2 3 I 4 5 I 6 1 I 2 3 1 4 I 5 I 6 9 Figure 9 WIA ...

Page 10: ... MAIN PWR I I _ _ J I I P O W E R S U P P L Y PW B SW3OIISClJOI I 7 I 8 I 9 I 10 11 12 e 9 WIRING SIDE OF P W BOARD lO ...

Page 11: ...TOP VIEW 1 2 3 I 4 5 I 6 A A 6 C BOTTOM VIEW H I L I I Figure 13 EXPLODED VIEW Mlh lANISM 3 I ...

Page 12: ...108 I I 3 I 4 I 5 I Figure 14 EXPLODED VIEW CABINET 14 ...

Page 13: ...FZZ FM Oscillator RCiLA0556AFZZ SW2 Antenna RCiLA0689AFZZ AMlSWl Bar Antenna RCiLB0625AFZZ SW2 Oscillator RCiLB0624AFZZ SW1 Oscillator RCiLB0623AFZZ AM Oscillator VP MK470KOOOO 4 7 uH TRANSFORMERS RCiLi0324AFZZ FM IF AD AA AC AD AG AC AC AC AB AC 15 REF NO PART NO DESCRIPTION CODE T2 T3 T301 RCiLi0312AFZZ FM Detector RCiLi03lOAFZZ AM IF RTRNP1099AFZ Z P o w e r AC AC AQ FILTERS CFl CF2 RFiLF0080AF...

Page 14: ...RT NO DESCRIPTION CODE c77 c79 Cl03 Cl04 Cl05 Cl06 Cl07 Cl08 Cl11 Cl12 Cl 22 Cl 24 Cl 29 Cl 30 Cl 31 Cl 32 Cl 35 Cl 36 Cl 37 Cl 38 Cl39 Cl40 Cl41 c209 c210 C217 C218 c222 c301 C302 c304 c401 c505 C506 c507 C508 c511 C512 c515 C516 c519 C520 C521 C522 C523 C524 C525 C526 C527 C52B c529 c530 V C C C M F I HH2R7C 2 7 pF CH 50V 0 25 pcCM AA VCTYMFlCY223N 0 022 pF 16V 30 S C A A VCCSMFI HLlOl J 1 0 0 p...

Page 15: ...Ol J107 J109 M l A so301 SPl SP2 SP3 SP4 SW1 SW1 01 SW1 02 SW301 SW401 1 2 3 4 5 6 7 8 9 14 15 16 17 18 19 2 0 21 2 2 23 24 25 2 6 27 2 8 29 3 0 31 3 2 VRD MF2EEOOOC 0 o h m 1 4W f 0 2 5 o h m s A A Jumper 33 3 4 3 5 17 PART NO DESCRIPTION CIRCUIT PARTS CODE QCNCM6599AFZZ 6Pin P l u g AC QCNW 2435AFZZ 3Pin Socket Assembly AE QCNW 2436AFZZ 7Pin Socket Assembly AE QCNW 2458AFZZ 2Pin Socket Assembly ...

Page 16: ...r REF NO PART NO DESCRIPTION CODE 112 JKNBK0331 AFSB 113 JKNBN0542AFSB 114 JKNBZ0368AFSA 115 LHLDFI 307AFSA 116 LHLDF13 11 AFSC 116 LHLDFI 311 AFSD 117 MLiFPO034AFZZ 118 MSPRC0472AFFJ 119 MSPRC0473AFFJ 120 MSPRC0474AFFJ 121 MSPRD0590AFFJ 122 MSPRZ0071 AFFJ 123 NDRM 0200AFZZ 124 NSFTDO244AFZZ 126 PCUSS0244AFZZ 127 PFLT 0518AFOO 128 QANTROl 11 AFZZ 129 QTANZO184AFFW 130 RMiCCOOSl AFZZ 132 PFLT 0638A...

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