Pioneer-TX930-tun-sup电路图 维修手册.pdf

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1、CD rqoNEEFl FM/AM DIGITAL SYNTHESIZED TUNER TXT9SOHEHEz This additional service manual is applicable to the HE type (European continent model) and HEZ type (West Germany model). Please refer to the KU type (U.S.A. model) service manual (ARP-I1g) with the exception of this service manual. SPECIFICATI

2、ONS The specifications for HE and HEZ types are the same as the KU type except for following sections: FM Tuner Section Sensitivity (DtN) . . Mono; lpV Stereo;38pV Signal-to-NoiseRatio(DlN) . .Mono;72dB Stereo; 62dB Miscellaneous Power Requirements . . AC220V, b0Hz ORDER NO. ARP -120-O I ! .t. I Lin

3、e Voltage Selection Line voltage can be changed with following steps. 1. Disconnect the AC power cord. 2. Remove the top cover. 3. Change the connection of the power trans- former primary taps. 4. Stick the line voltage label on the rear panel. Part No.Description AAX.193 AAX.192 22OY label 240V lab

4、el FICINEEFI ELECTFICINIC CCIFIPGIFIATICIN 4-1, Mesunol-chome, Mesuno-ku, Tokyo 1bB, Japan ftlClNEEFl ELECTFIC|NICB IUBAI lNC. 19P5 E. Dominguez SE., Long Beach, Califonnia $Of;IO U.S.A. PIONEEFI ELEcrFloNlc EUFloPEl N.v. Luirhegen-Hawen s, ao3o Anrwenp, Belgium FfONEEFf ELECTFICINICB AUATFIALIA PTY

5、. LtCt. 178,-18,4 Boundeny Foad, Bnaeside, Vicronia 3i95, Ausrnatia YH O IUNE .l 982 Printed in lapan RadioFans.CN 收音机爱 好者资料库 PARTS LIST NO?8S: o ltrthen ordering resisfons, first conuert resistance ualues into code form as shown in the following examples. Ex. 1 when there are 2 effectiue digits (an

6、y digit apart from 0), such as 560 ohm and 47k ohm (tolerance is shown by J = 5V, and K - 10Vo). 560fr 56xIOt 561 . . RD%PS ED.l 47ha 47x103 473. . RDL/.PS4da,t o.sa 0R5 . . RN2H BtrK ro o10. asrPomoK Ex. 2 lAhen there are 3 effective digits (such as in high pricision metal film resis- tors). 5.62kn

7、 5G2x I0o 5621. . . . RNrlS.R EEmr o The I marh found on some component parts indicates ihiTmportance of the safebt factor of the part. Therefore, when replacing, be sure to use parts of identical designation o For your Parts Stock Control, the fast moving items are indicated with the marhs * and *.

8、 * GENERALLY MOVES FASTER THAN *. This classificotion shall be ad,justed by each distributor because it d,epends on model number , temperature, humidity, etc. Contrast of Miscellaneous Parts ELECTRICAL PARTS * Either of batteries (Ni-Cd or Lithium) is used to the memory backup in the KU type. EXTERI

9、OR COMPONENTl I Mark Symbol lo I oro I orl l o , - s l D 4 I D6tur3 2SKt68 zSC535 2SC6l m3r -A lal247 2SC94S or 2SC6o3lAt or 2SC45a zSCl845 or 2SC224O PA45 -A o. PA4OO6 lsv68 - o8 KVl226-Y l52076 or rst555 or usto$ 1 RESISTORS Ind cated in 1r, ,aW, 7.W, !5% tolerance !nls, orheMise notd kj kJ) Mj M1

10、2. lF)j t1yo. tGt: !2%, (K), j1O%, (M)r i20% toerance 2 CAPACITOBS: Indicatd in capacty (!F)/vorase (V) untess otherwise nored p, pF lndicanon wirhout vottaqe s 5OV excepr ettrotytic capaci 3. VOLTAGE CURFENT. _ l DC vo raqe rvr d n,) ,.DUr srqna +r;ar Dc currenr at no inDut siqna . sion voltase ar

11、FM 4ooizi 75kHz DEV 4 OTHEBS j.Adiuins point. The A mark roond on some component parc Ino,cares rhe ,m portance oi the satetv iactor oi the parr. Therefore, when rep acin9, be sure 1o use parrs ol idenricat designalio. n markd capacitors and resisroG have parts numoers. Thls is the basc schematic di

12、agram, bur the actua crcln may vary due ro rmprovemen$ In desrgn 5 SWTTCHES S I STATON GLL (I) S 2 STATION CALL (2) S 3 : STATION CALL (3) S 4 STATION CALL (4) S 5 SIAIION CAU (5) 5 6 STATON CALL (6) S7 SIATION CALL (7) SA : STAIION CALL (A) S 9 FUNCTION (FM) S O FUNCTION (AM) S I IUNING (UP) S2 TUN

13、ING (DOWN) Si3 MEMORY/STOP S14 AUrc SCAN S1O1 : POWER S O - 2 F M M U T I N G The undnined ind cares the swrtch postion 132 - _ H c , ? ? , 6 p l | - - - - - - - t c . l i 5 IUNER IC 3 uco I oro FL - o -b;- .A -l 546 CONTROL Assy F l , 2 | A T F - l O 7 L 2 : A T C - | 6 4 F 3 t A T F - i 3 3 L 3 r

14、A r c - r 6 5 F 4 : A r F - r 3 l L46:Aft-O49 Fa.6 I ATF-Oa9 f- cH -l I OUTPUT cH I f-;i-l AUTO FUNCTPN IN TIMIS MUT IND CrcER O Ai9- 2? A:3i Q | ,5 ,9 t l2 ,15,t6 ,22 ,26 ,27 2SCa58 or 2SC945A or 2SC26O3aAt 03,7,17,23! 25 2SAiO48 or 2SA733A or 2SAlrl5/A/ A19!21 25OA8O a2 TC498P 04 rc4ouF 06 POm4A o

15、r PD6OO4 oa M349?2P ar3 IRzEOI O r - 7 , 9 ! i i , 2 3 , 2 8 o44,45Aql;r 654 I E 2 xral r G 3 _ | - 1 , i l P l J | - ;t : our I I t/o -. L: I *4 | * | i,o* o f - 1 , O NVERTER 03: SW1TCHING ( PWER OFF-ON) 425 MUNL iia r e4p A:T lE f1 r# l9lol*.u, II il a IB7 NOTE: The indicated semiconductors are r

16、epresentatiue ones only. Other alternative semiconductors may be used and are listed in the parts list. .aeiff o, illl8sx -o, 92 DS - 32 AL- 37i 04,33!39,57 AEL-372 o,4r,m aEL-3S O42 LEO NUMERIC DISPLAY AEL_395 (MWNJ or2 swrTcHtNG ( AUIO SCAN . ON ) Q27:LED ORIWR r E l - , I f n , t t / o :r, l, *1,1* - t: * l r R 3 - j l- _. L: Q r 3 . SIGNAL ND DRIVER d D T o a F - R E F A M G t u D D D o o E s /2*Sn R ilfi ril - 4l- r x PD lq Fr nur& 4gk our n v.cl Q4 BCO OECODER 4 q 5 o l-l*l o, s. -: ,6 6- t-r* - 3 | | j c t3 l_ I8 7