Sony SRF-A100 Service Manual Download | Manualshive

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Summary of Contents for SRF-A100

Page 1: ... 4 5V de three s1 e A ba teru s I EG desig a 10 w DC I 4 5V Jae accepts Sony AC 120 rv ac ower adapto op 1onal for use on 120 V ac 60 H Sony DCC 127 A ca battery cord optional for use Ilh 12V car battery Dimensions Approx 228 100 38 5mm t hid 9 4 P u inc es incl projecting parts and co trols Weight ApproY 620g 1 lb 2021 incl bat eries Battery lite You can expect the ollowIng batte ies to last tor ...

Page 2: ... 3 AM ST MODE AM stereo mode selector Set 11 to the appropriate position according to the AM stereo broadcasting system being used A For Harris Magnavox or Motorola System 8 For Kahn Hazeltine System If you do not know which system is being used you can deter mine the appropriate position of this selector by comparing the quality of the stereo reception at each position 4 AM BANDWIDTH FM SENS sens...

Page 3: ...www SteamPoweredRadio Com 1 1 BLOCK DIAGRAM SECTION 1 OUTLINE 3 SRF AlOO ...

Page 4: ...eredRadio Com SRF AlOO I 2 1 REMOVAL ca1 order the numen Remove the parts In Note CABINET REMOVAL rear cabinet SECTION 2 DISASSEMBLy c S 1P r 2 6d6 main board 0 I PTP3x 25 I i z _r front cabinet 7 0 Pull offknobs 4 ...

Page 5: ... Dial Cord Stringing dial drum 0 3 Pointer Setting After the stringing tum the dial drum fully counterclock wise 9 911 825 52 dial cord 0 3 mm dia dial drum Set rhe left side of the dial pointer at this mark 5 dial pointer After setting dial pointer appl y a locking compound 0 N I 0 I 0 CX N I I ru C 0 ...

Page 6: ...2 5 kHz frequency deviation by 400 Hz signal ancenna lead Repeat the procedures in each adjustment several times and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors I FM TRACKING ADJUSTMENT Adjust for a maximum reading on VTVM 86 5 MHz 109 5 MHz L2 CT2 6 FM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum re iding on VTVM 109 5 MHz 86 5 Hz CT3 L3 ...

Page 7: ...terclockwise and memorize the lighting u p range of the stereo lamp 3 Secure RV2 at the center of the lighting up range of both turns as shown below 0 I I _ _ center of lighting up ranges l1gh ting up range 7 AM SECTION I AM rf signal generator 309 amplitude modulation by 400 Hz signal Put me lead wire anrenna close ro the set Repeat the proc edure in each adjustment several times and the frequenc...

Page 8: ...um readmg 1 or a maxi dJUSI onVTV t 450 kHz JFT2 IFT I l j n I i1 8 VCO Adjustment Procedure AM rf signal I J r 1_0 0Tµ I F _ __ ____ c 450kHz Carrier frequency o modulacion Modularion 2 m V 90 dB Outpuc level 0 0 05 V reading on f I 7 Adjust LS or VTVM ...

Page 9: ... Output level Modulation set 1 400 kHz PHONES 50mV 94 dB 15 kHz 30 AM telescopic antenna lead I Set the BAND switch to AM meter oscilloscope B 2 Adjust the output level of the am rf stereo signal generator for dip point as shown in Fig 1 point m Fig 1 3 Set the BAND switch to AM ST 4 Set the VOLUME knob to the mechanical center 5 Adjust RV J for minimum reading on distortion meter B Simple Method ...

Page 10: ... anooe o parts extracted from the component side parts extracted from the conductor side indicates side identified with part number B pattern signal path __ _ L CH signal path R CH signal path SECT ION 4 DIAGRAMS 10 4 A __ L__ B ___ 1 ___ __ 1 _ 1 2 3 4 5 6 7 8 9 0 IC D ORY 8ATT SISE AA tEC OESIG NATION R6l 3PCS 4 5V 1 1 4 J IPHONESIIL 1f o I L J2 t 0 S4 1 ST tOOE 9 I l t A I Cl F t TEL ANT Il T l...

Page 11: ...P2 R CH SPEAKER OUTPUT R CH H IC4 CTI CVI 82 l 22 I RV3 lR21 ITt ITTl 5 4 3 LI AM FERRIT E ROD ANT 11 6 SRF AlOO I I J Cl 4 SRF J K 5 MAIN BOARD o t 35 __ 11 0 QI C3 G L l 0 SZ R25 t2l 23 C28 ov hf i C 27 I y J t Q oR37J o 04 m l m 2 lr1 09 ITUNINGI 5 IFMSENS 1 NT LOCAL 0 2 JAM ANow10TH I A1 E NO iMaL ...

Page 12: ...RF AlOO K L 2 3 5 IC2 11 M IC6 _ A_ IN _B _O _ A_ RD _l_ c _o _ N _ DUCTOR SIDE i l I S2 IBAND AM AM ST FM ST IC6 r N 0 p IC3 7 AM BOARD COMPONENT SIDE AM BOARD CONDUCTOR SIDE 12 u 8 7 6 Si ERE0 3 7 1 l JN I V 1 2 3 I 4 5 6 7 8 9 ...

Page 13: ...EoRIT HH o MAIN BOARD s 1 Ir SEsS I 15UNr _ LOC lL I 44 cso I CV 05 2SC2785 AM ff MP 06 2SAI048 AM lf MP C 1i1 y f D 13 E F QI 2SC2785 SLFFE l lilP 3 1S1555 SRF AlOO G 02 2SC2785 O s2222 c a 0 i _ _ _ _ _3 s _ _Es_a5r1 7 T 0 I_ _ _ _ C t S J JO 3 I c _ _ _ _ t1I 1 r i 1 ___ _ _ I 1 1 t Cl ...

Page 14: ...48 S C N 1 1 I Q8 2SAl048 AGC Iti J 05 GL9PR21 0 0 K 3 7 r r c Q C IC2 TA7342P flf lil J L M N 0 QII 2SB810 SYi r H1 T i L __ l I O 9TI c 1 Q 3_2 _ S _ C 27 _8_ 5___ _______________ r _j J t IC6 H801480A 2 f IJ J I M u 1 14 1r 1 3 1 1 r t tt r1 1 o __ _ fff 1 Q9 1 0 2SC2785 c F l r o I t ...

Page 15: ...r less are not indicated except for electrolytics and tantalums All resi tors are in ohms 1 6 W unless otherwise noted kn 1000n Mn 1000 kn t internal component c J ao1us1ment for repair B bus Readings are taken under no signal detuned conditions with a vor 1 no mark FM I l AM common 8 Switch Ref No Switch Position S1 1 FM SENS DISTANT S1 2 AM BANDWIDTH WIDE S2 BAND FM ST 9 53 POWER OFF S4 AM ST MO...

Page 16: ...dio Com SRF AlOO l A 1 1 2 3 4 5 6 7 8 9 10 SECTION 5 T PARTS LI EXPLODEi VIEWS oAN _o_J__E E_ 1 __F B G I U _ 31 V c __ A B C c _ ndudmg 1i l 1 _ 1 I I I I i tj i i C I J v I II A I 1 r 1 L 2 I I I j PT I I l 501 16 l 1 ...

Page 17: ...PoweredRadio Com A B C 0 E F G 2 1 0 lg A B CJ 2 I 18 II 3 28 I 12 l v I 4 _ f 5 I 6 8 L1 2 I I I C 3 6 X 503 I tii I 1 27 I 1 I t 23 S2 1 I _ rc r _J I h 3 I 1 I 1 1 5 5 0 04 2 0fe S1 JT 9 VR3 J2 I VR4 S4 S3 17 ...

Page 18: ...10 CB l 123 617 00 ELECT lOHF 20 28 7 624 W6 04 STOP RING 3 0 TYPE E C9 l 161 007 00 CERAMIC o 0033 lf 10 29 7 682 146 13 SCREW P 3XS 30 7 685 152 14 SCREW PTP 3X25 TYPE2 NON SLIT ClO l 123 613 00 ELECT 3 3MF 20 t 31 32 33 34 35 36 37 7 685 536 19 SCRBI t8TP 2 6Xl2 TYP 2 N S 7 685 538 19 SCREW BTP 2 6X16 TYPE2 N S 9 911 825 52 CORD DIAL 0 3rnn DIA 9 911 840 XX FOOT 9 911 856 XX CUSH ION 4 822 524 ...

Page 19: ...IMF 20 sov C57 l 123 611 00 ELECT lHF 20 sov IC4 8 759 203 31 IC TA7331P CS 8 759 203 31 IC TA7331P C58 l 123 611 00 ELECT IMF 20 sov IC6 l 464 278 00 CIRCUIT UNIT AMPLIFIER 2CH H8Dl480A C59 l 123 611 00 ELECT lM F 20 sov C60 l 161 021 00 CERN I IC 0 047HF 10 25V IFTl l 404 023 00 COIL FT IFT2 l 404 482 00 TRANSFORMER IF C61 1 161 021 00 CERM IIC 0 047MF 10 25V C62 l 123 612 00 ELECT 2 2MF 20 50V ...

Page 20: ...10 s 1 6 R29 1 247 847 00 CARBON 4 7K 5 1 6 R76 1 247 871 00 CAABOtl 47K 5 1 S R77 1 247 843 00 UllBON 3 3K 5 l Sft R30 l 247 835 00 CARBON l SK 5 1 611 R78 l 247 855 00 CARBON lOK 5 11 R3l l 247 885 00 CARBON 180K 5 1 0 R79 l 24 7 8i7 00 CARBON 270 i R32 1 247 850 0D CARBON 6 2K 5 l 6W Sl l 554 222 00 SWITCH SLIDE FM SENS II SA J t DTH R33 l 247 849 00 CARBON 5 6 5 1 6 S2 l 554 598 00 SWITCH SLID...

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