Aiwa-HS-GS292-Service-Manual 电路图 维修手册.pdf
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1、SERVICE MANUAL HS-GS292LYH,YJ STEREO CASSETTE PLAYERBASIC TAPE MECHANISM : 8ZM-3 P2N 8ZM-3 P3N S/M Code No. 09-995-405-6R3 REVISION ? Design and specifications are subject to change without notice. SPECIFICATIONS Maximum output:12 mW + 12 mW (EIAJ 32ohms) Load impedance:32 ohms Power source:DC 3V us
2、ing two R6 (size AA) batteries AC house current using the optional AC adaptor AIWA AC ? D302 Maximum dimensions:111.8 (W) x 88 (H) x 32.3 (D) mm (41/2 x 31/2 x 15/16in.) WeightApprox.120g (4.2 oz) (excluding batteries) RadioFans.CN 收音机爱 好者资料库 DESCRIPTIONREF. NO.KANRI NO. PART NO.KANRI NO. REF. NO.DE
3、SCRIPTIONPART NO. 2 ELECTRICAL MAIN PARTS LIST IC 87-A20-461-040IC,MM1336DF TRANSISTOR 87-026-264-080C-TR,RN1411 89-327-125-080CHIP TR,2SC2712GR DIODE 87-A40-630-040C-DIODE, RB411D 87-020-027-080CHIP-DIODE 1SS184 MAIN C.B C10187-010-178-080CHIP CAP 1000P C10287-010-178-080CHIP CAP 1000P C10387-010-2
4、13-080C-CAP,S 0.015-50 B C10487-010-213-080C-CAP,S 0.015-50 B C10587-010-499-040CAP,E 22-6.3 M 5L SRE C10687-010-499-040CAP,E 22-6.3 M 5L SRE C11187-010-182-080C-CAP,S 2200P-50 B C11287-010-182-080C-CAP,S 2200P-50 B C11987-010-503-040CAP,E 220-4 M 5L SRE C12087-016-350-040CAP,E 470-4 MA GAS C12187-0
5、16-462-080C-CAP,S 1-16 ZF C12287-010-178-080C-CAP,S 1000P-50 KB C12387-010-494-040CAP,E 1-50 M 5L SRE C12387-010-495-040CAP,E 2.2-50 M 5L SRE C12587-010-499-040CAP,E 22-6.3 M 5L SRE C12687-010-503-040CAP,E 220-4 GAS C12787-010-197-080CAP, CHIP 0.01 DM C12887-010-196-080CHIP CAPACITOR,0.1-25 C23087-0
6、10-196-080C-CAP,S 0.1-25 ZF C23087-010-178-080C-CAP,S 1000P-50 KB C31187-016-462-080C-CAP,S 1-16 ZF C31287-016-462-080C-CAP,S 1-16 ZF C32287-010-596-080C-CAP,S 0.047-16 C40387-010-197-080CAP, CHIP 0.01 DM C40487-010-197-080CAP, CHIP 0.01 DM C40587-012-141-080CHIP-CAPACITOR,0.22-16F C40687-012-141-08
7、0CHIP-CAPACITOR,0.22-16F C40787-016-462-080C-CAP,S 1-16 ZF C40887-016-462-080C-CAP,S 1-16 ZF C40987-010-195-080C-CAP,S 0.068-25 F C41087-010-195-080C-CAP,S 0.068-25 F C41187-010-188-080CAP,CHIP 6800P C41287-010-188-080CAP,CHIP 6800P C41387-010-198-080CAP, CHIP 0.022 C41487-010-198-080CAP, CHIP 0.022
8、 C41587-010-501-040E/CAP GAS 47-4 C41787-010-198-080CAP, CHIP 0.022 C41887-010-198-080CAP, CHIP 0.022 C42087-016-462-080C-CAP,S 1-16 ZF C42187-016-462-080C-CAP,S 1-16 ZF C70187-012-157-080C-CAP,S 330P-50 CH C70287-012-157-080C-CAP,S 330P-50 CH C70387-010-196-080CHIP CAPACITOR,0.1-25 C70487-010-197-0
9、80C-CAP,S 0.01-25 KB C70587-010-197-080C-CAP,S 0.01-25 KB C70687-012-141-080C-CAP,S 0.22-16 ZF C70687-010-596-080C-CAP,S 0.047-16 KR J10187-A60-849-010JACK,DC DIA 2.75 BLK J10285-HRL-623-010JACK,3.5 BLK ST BLK R11587-022-657-080RES,0.68-1/8W G 4300PPM S10187-A91-077-010SW,LEAF S1028Z-HRB-607-010SW,S
10、L 2-2-2 SSZZ-S-502(S) S30187-A90-917-010C-SW,SL 1-1-2 SS-350-B12 S40187-A91-285-110C-SW,SL 1-1-4 SS-350- S40187-A91-285-010C-SW,SL 1-1-4 SS-350- SFR10187-024-050-010SEMI-FIXED RESISTOR, 1K TH10187-026-256-090THERMISTOR, HT-100 VR10187-A90-818-010VR,RTRY 20KCX2 W187-A80-115-010F-CABLE, 5P P2 8 8 A Re
11、sistor Code Chip Resistor Part Coding Figure Value of resistor Chip resistor WattageTypeTolerance 1/16W 1/10W 1/8W 1608 2125 3216 5% 5% 5% CJ CJ CJ FormLWt 1.60.80.45 21.250.45 3.21.6 108 118 128 : A : A CHIP RESISTOR PART CODE 0.55 Resistor Code Dimensions (mm) Symbol 1/16W10055%CJ1.00.50.35104 L t
12、 W RadioFans.CN 收音机爱 好者资料库 2SC2712 RN1411 TRANSISTOR ILLUSTRATION B E C 43 ADJUSTMENT VR101 VOLUME PHONES J102 MAIN C.BA R117 R118 R116 IC101 2 SFR101 A C B 1 12 PRACTICAL SERVICE FIGURE Tape speed :3000Hz 60Hz Wow :Less than 0.5% (RMS) Take-up torque :24 45g-cm (FWD) F.F torque :70 150g-cm REW torq
13、ue :70 150g-cm Back tension :1.5 4.0g-cm (FWD) S/N ratio :More than 42dB (PB, DC) Distortion :Less than 3.0% (PB, DC) Noise level :Less than 4.5mV (Vol MAX, PB, DC) Less than 0.45mV (Vol MIN, PB, DC) Frequency response :63Hz + 1 / 7dB 8kHz + 4 / 4dB (NORMAL) 63Hz + 1 / 7dB 10kHz + 4 / 6dB (CrO2) Tes
14、t tape :TTA 100 TTA320(NORMAL) TTA310(CrO2) 4) Remove your hand and listen to the beginning of the tape-run. 5) When the rise of tape running is smooth, no more adjustment is necessary. If wow continues for 1 to 2 seconds at the rise time, change the combined resistance according to procedure 6 and
15、check that the tape starts running smooth. 6) Solder the resistor pattern according to the table below (NOTE : =10ohm , =2.7ohm , =4.7ohm) 7)Finally re-check the tape speed. Caution : Cool the patterns down to normal tempera- ture after soldering. If the pattern remains heated, the gorvernor circuit
16、 does not operate normally. OpenSolder Solder Solder Soder Open Solder Solder Pattern (Procedure 1 above) Step (1) Step (2) Medium resistance (B) Low resistance (A) High resistance (C) Solder 1.Tape Speed Adjustment Settings : Test tape :TTA100 (Tape center) Test point :PHONES (J101) Adjustment loca
17、tion : SFR101 MSP :CLASSIC TAPE SELECTOR : NORM VOLUME :MAX Method :Play back (FWD) the test tape and adjust SFR101 so that the frequency becomes 3010Hz10Hz. Then confirm WOW is less than 0.50%. 2.GOVERNER Adjustment Perform the STOP PLAY and REVERSE operations (or PAUSE ON OFF) after the motor is r
18、eplaced. When the tape starts running smooth, this adjustment is not necessary. If wow is conspicuous at the beginning of the tape-run, perform this adjustment following the procedures below. 1) Solder resistor pattern (A) of the MOTOR AND GOVERNOR MATCHING ADJ. resistor group. 2) Set the tape speed
19、 (using speed adjustment SFR101). 3) Restrict the motor rotation by hand (or turn PAUSE ON). A BC RadioFans.CN 收音机爱 好者资料库 WIRING - 1 (MAIN) 65 SCHEMATIC DIAGRAM - 1 (MAIN) 87 DESCRIPTIONREF. NO.KANRI NO. PART NO.KANRI NO. REF. NO.DESCRIPTIONPART NO.DESCRIPTIONREF. NO.KANRI NO. PART NO.KANRI NO. REF.
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