aiwa_hs-tx394_hs-tx396_hs-tx399_09-991-404-8r1.pdf
SERVICE MANUAL HS-TX394 HS-TX396 HS-TX399 YU,YL,YZ YH,YL,YZ,YJ YL STEREO RADIO CASSETTE PLAYER BASIC TAPE MECHANISM : 4ZM-2 (P5NC,P5NF) S/M Code No. 09-991-404-8R1 REVISION ? Design and specifications are subject to change without notice. SPECIFICATIONS Frequency range:For using in North and South America AM: 530 ? 1,710 kHz (10 kHz step) FM1,FM2: 87.5 ? 108.1 MHz (200 kHz step) For using in Europe and other countries AM: 531 ? 1,602 kHz (9 kHz step) FM1,FM2: 87.5 ? 108 MHz (50 kHz step) For using in Japan AM: 531 ? 1,629 kHz (9 kHz step) FM1,FM2: 76 ? 108 MHz (100 kHz step in 76 ? 90 MHz, 50 kHz step in 90 ? 108 MHz) Maximum output:4 mW + 4 mW (EIAJ/32) 15 mW + 15 mW (EIAJ/32) Power source:DC 3V using two R6 (size AA) dry cell batteries AC house current using an optional AC adaptor AIWA AC ? D302 Battery life (EIAJ 1 mW output): Approx. 7 hours using R6P (size AA) manganese batteries Approx. 22 hours using LR6 (size AA) alkaline batteries Maximum dimensions:116.7 (W) x 91.5 (H) x 35 (D) mm (45/8 x 33/4 x 15/8 in.) WeightApprox.140g (4.9 oz) (excluding batteries) DESCRIPTIONREF. NO.KANRI NO. ACCESSORIES / PACKAGE LIST PART NO. 1 8Z-HRC-904-010IB,Y(DGI)-INTX396 1 8Z-HRC-911-010IB,Y(DGI)-INTX394 1 8Z-HRC-903-010IB,Y(ESF)-TX396 IN 1 8Z-HRC-910-010IB,Y(ESF)-INTX394 1 8Z-HRC-907-010IB,Y(POHCZ)-INTX396 1 8Z-HRC-912-010IB,Y(POHCZ)-INTX394 1 8Z-HRC-918-010IB,YJ(ECC)-TX396 IN 1 8Z-HRC-919-010IB,YH(ECC)-TX396C 1 8Z-HRC-921-010IB,YL-TX399-CCE 1 8Z-HRC-920-010IB,YL(ESP)-TX394 IN 1 8Z-HRC-906-010IB,YL(ESP)-TX396C 1 8Z-HRC-909-010IB,YL(ESP)-IN 1 8Z-HRC-908-010IB,YU(ESF)-IN 2 84-447-019-310CLIP,BELT 3 87-B30-150-110HEADPHONE,HP-M006A(F) 3 87-B30-124-110HEADPHONE,HP-M028 3 87-B30-145-110HEADPHONE,HP-M029(T) 2SA1362 2SC2714 2SC2712 KTA1298Y B E C RN2411 RN2407 RN1411 RN1407 DTC144EK TRANSISTOR ILLUSTRATION 2 DESCRIPTIONREF. NO.KANRI NO. PART NO.KANRI NO. REF. NO.DESCRIPTIONPART NO. ELECTRICAL MAIN PARTS LIST IC 87-A21-235-080C-IC,LAG668FTF 87-A20-851-040C-IC,TA2111F 87-A21-049-010C-IC,LC72343G-9482 87-A21-149-010C-IC,TC9322FB-501 87-001-145-080IC,TA8126F TRANSISTOR 89-113-625-080TR,2SA1362GR(120MHZ,0. 87-026-210-080CHIP-TR,DTC144EK 87-026-264-080C-TR,RN1411 87-026-262-080C-TR,RN1407 89-327-143-080TR,2SC2714 (0.1W) 87-026-268-080C-TR,RN2411 87-A30-159-080C-TR,KTA1298Y 89-327-125-080CHIP TR,2SC2712GR DIODE 87-001-142-080DIODE,1SS294 (100MA) 87-020-027-080CHIP-DIODE 1SS184 87-A40-260-080C-ZENER,UDZ2.0B 87-026-267-080LIGHT EMITTING DIODE,RN2407 MAIN C.B BPF10187-A90-601-010FLTR,BPF GFWB7 C187-010-179-080CAP,CHIP S B1200P C287-010-179-080CAP,CHIP S B1200P C387-010-501-040E/CAP GAS 47-4 C487-010-820-040CAP,E 47-4 (MJ) C587-016-369-080C-CAP,S 0.033-25 KB GRM C687-016-369-080C-CAP,S 0.033-25 KB GRM C787-012-141-080CHIP-CAPACITOR,0.22-16F C887-012-141-080CHIP-CAPACITOR,0.22-16F C987-010-196-080CHIP CAPACITOR,0.1-25 C1087-010-822-040CAP,E 220-4 (MJ) C1187-010-822-040CAP,E 220-4 (MJ) C1287-010-178-080CHIP CAP 1000P C1387-A11-235-080C-CAP,TN 3.3-4 M AM004R C1487-010-503-040CAP,E 220-4 GAS C1587-A11-187-080C-CAP,TN 10-4 M AM004R C1687-010-196-080CHIP CAPACITOR,0.1-25 C1782-HJ5-612-010CAP,E 470-4 C1887-010-177-080C-CAP,S 820P-50 SL C1987-010-177-080C-CAP,S 820P-50 SL C2087-010-178-080CHIP CAP 1000P C2187-010-178-080CHIP CAP 1000P C2287-A11-187-080C-CAP,TN 10-4 M AM004R C2387-010-805-080CAP, S 1-16 C2487-A11-187-080C-CAP,TN 10-4 M AM004R C2587-010-805-080CAP, S 1-16 C10187-010-194-080CAP, CHIP 0.047 C10287-010-197-080CAP, CHIP 0.01 DM C10387-010-196-080CHIP CAPACITOR,0.1-25 C10487-010-320-080C-CAP,S 68P-50 CH C10587-012-140-080CAP 470P C10687-012-153-080C-CAP,S 120P-50 CH C10787-010-145-080C-CAP,S 1P-50 CH C10887-012-155-080C-CAP 180P-50CH C11087-010-154-080CAP CHIP 10P C11187-010-197-080CAP, CHIP 0.01 DM C11187-010-805-080CAP,S 1-16 C11287-010-312-080C-CAP,S 15P-50 CH C11387-010-154-080CAP CHIP 10P C11487-010-197-080CAP, CHIP 0.01 DM C11587-010-146-080C-CAP,S 2P-50 C CH C11587-010-145-080C-CAP,S 1P-50 CH C11787-010-196-080CHIP CAPACITOR,0.1-25 C11887-010-805-080CAP, S 1-16 C11987-010-197-080CAP, CHIP 0.01 DM C12087-010-194-080C-CAP,S 0.047-25 ZF C12087-010-197-080CAP, CHIP 0.01 DM C12187-012-157-080C-CAP,S 330P-50 CH C12287-012-141-080CHIP-CAPACITOR,0.22-16F C12387-012-141-080CHIP-CAPACITOR,0.22-16F C12487-010-805-080CAP, S 1-16 C12587-010-196-080CHIP CAPACITOR,0.1-25 C12687-010-196-080CHIP CAPACITOR,0.1-25 C12787-010-419-040CAP,E 4.7-16 5L C12887-010-452-080CAPACITOR,1-16 C12987-010-426-080C-CAP,S 0.012-25 B C13087-010-426-080C-CAP,S 0.012-25 B C13187-010-426-080C-CAP,S 0.012-25 KB C13287-010-426-080C-CAP,S 0.012-25 KB C13387-010-822-040CAP,E 220-4 (MJ) C13487-010-822-040CAP,E 220-4 (MJ) C13687-010-178-080CHIP CAP 1000P C13887-016-461-080C-CAP,S 0.47-16F C14087-010-178-080C-CAP,S 1000P-50 KB C14087-012-154-080C-CAP,S 150P-50 J CH C14187-010-178-080C-CAP,S 1000P-50 KB C14287-010-178-080C-CAP,S 1000P-50 KB C14387-010-178-080C-CAP,S 1000P-50 KB C14587-010-178-080C-CAP,S 1000P-50 KB C14687-010-197-080C-CAP,S 0.01-25 KB C15087-010-178-080C-CAP,S 1000P-50 KB C15087-010-321-080C-CAP,S 82P-50 J CH C40187-010-196-080CHIP CAPACITOR,0.1-25 C40287-010-196-080CHIP CAPACITOR,0.1-25 C40387-010-805-080CAP, S 1-16 C40487-010-805-080CAP, S 1-16 C40587-010-499-040CAP,E 22-6.3 GAS CF10187-A91-162-010FLTR,PFS450A7 CF10487-A91-093-010FLTR,KIT KSKM2CD-AO-003 D10187-A40-462-040C-VARI-CAP,SVC347(S) D10287-A40-484-070C-VARI-CAP,SVC203CP D10387-A40-484-070C-VARI-CAP,SVC203CP J185-HRL-623-010JACK,3.5 ST BLK J287-A60-849-010JACK,DC DIA 2.75 BLK L187-A50-038-010COIL,RF CHOKE L1018Z-HRC-605-010 BAR-ANT,MW L1028Z-HRC-607-010COIL,FM RF L1038Z-HRC-606-010COIL,OSC FM L10487-003-226-080MICRO INDUCTOR 100UJ L10587-A91-063-010IFT,AM 450KHZ R987-A00-330-080RES,M/F 220-1/8W 3900PPM SFR187-A91-057-040C-SFR,3.3K B RHO3AXAN4X SW187-A90-133-010SW LEAF LSA1120JAU TH187-026-256-090THERMISTOR, HT-100 VC10187-011-217-010TRIMER,10P VCT35 VR187-A90-981-010VR,RTRY 20KBX1 FRONT C.B C20587-010-152-080C-CAP,S 8P-50 CH C20687-010-152-080C-CAP,S 8P-50 CH C20787-010-805-080CAP, S 1-16 C20987-010-197-080CAP, CHIP 0.01 DM C21087-010-196-080C-CAP,0.1-25 C21187-012-141-080C-CAP,0.22-16F C21287-010-196-080C-CAP,0.1-25 C21387-010-805-080CAP, S 1-16 C21487-010-178-080CHIP CAP 1000P C21587-010-182-080C-CAP,S 2200P-50 B C21687-010-805-080CAP, S 1-16 C21887-010-805-080CAP, S 1-16 C25187-010-180-080C-CER 1500P C25287-010-805-080CAP, S 1-16 3 DESCRIPTIONREF. NO.KANRI NO. PART NO.KANRI NO. REF. NO.DESCRIPTIONPART NO. C25387-010-197-080CAP, CHIP 0.01 DM C25487-010-452-080CAPACITOR,1-16 C25587-010-197-080CAP, CHIP 0.01 DM C25687-010-150-080C-CAP,S 6P-50 CH C25787-012-156-080C-CAP,S 220P-50 CH C25887-010-805-080CAP, S 1-16 C27187-010-181-080CAP,CHIP S 1800P C27287-010-181-080CAP,CHIP S 1800P C27387-010-181-080CAP,CHIP S 1800P C27487-010-181-080CAP,CHIP S 1800P C27587-010-805-080CAP, S 1-16 C27787-010-805-080CAP, S 1-16 C27887-010-805-080CAP, S 1-16 C27987-010-805-080CAP, S 1-16 C28087-010-312-080C-CAP,S 15P-50 CH C28187-010-312-080C-CAP,S 15P-50 CH C28287-012-142-080CAP, S 0.33-16 C28487-010-196-080CHIP CAPACITOR,0.1-25 C28587-010-196-080CHIP CAPACITOR,0.1-25 C28787-010-196-080CHIP CAPACITOR,0.1-25 C28887-010-427-080C-CAP,S 0.039-25 B L25187-A50-396-040C-COIL,D-D CONV CP-4LBM LCD2018Z-HRC-603-010LCD,ASSY(BAND/TU) 19P LCD20188-HRC-610-010LCD,HS ASSY(BAND/TU) R21687-022-375-080C-RES,S 680K-1/10W F R21787-022-374-080C-RES,S 560K-1/10WF R27587-022-359-080C-RES,S22K-1/10WF R27687-022-359-080C-RES,S22K-1/10WF R27787-022-361-080C-RES,S 47K-1/10W F SW21387-036-304-080C-SW,SL 1-1-2 TH20187-A90-547-080C-THMS,47K (5%)NTH 5G X20187-A70-082-010VIB,XTAL 75KHZ X20187-A70-173-010VIB,XTAL 75KHZ DT-261 FLEX C.B 8Z-HRC-604-010FF-CABLE, 17P 4 LCD DIAGRAM 56 8 8 1608 2125 3216 1.60.80.45 21.250.45 3.21.6 108 118 128 :A :A 0.55 Resistor Dimensions CHIP RESISTOR PART CODE Chip Resistor Part Coding A Resistor Code Figure Value of resistor Chip resistor Wattage 1/16W 1/10W 1/8W TypeTolerance 5% 5% 5% Symbol CJ CJ CJ FormLtW L W t LCD, HS ASSY (BAND/TU) GRID ASSIGNMENT LCD, HS ASSY (BAND/TU) GRID ASSIGNMENT ANODE CONNECTION ANODE CONNECTION WIRING - 1 (MAIN) 78 272625242322212019181716151413121110987654321 A B C D E F G H I J K L M N O P Q R WIRING - 1 (MAIN) 910 123456789101112131415161718192021222324252627 A B C D E F G H I J K L M N O P Q R WIRING - 2 (FRONT: 1/2) 1211 272625242322212019181716151413121110987654321 A B C D E F G H I J K L M N O P Q R 1413 WIRING - 2 (FRONT: 1/2) 123456789101112131415161718192021222324252627 A B C D E F G H I J K L M N O P Q R WIRING - 3 (FRONT: 2/2) 1615 272625242322212019181716151413121110987654321 A B C D E F G H I J K L M N O P Q R WIRING - 3 (FRONT: 2/2) 123456789101112131415161718192021222324252627 A B C D E F G H I J K L M N O P Q R 1817 SCHEMATIC DIAGRAM - 1 (MAIN) 2019 SCHEMATIC DIAGRAM - 2 (FRONT: YU,YL) 22 21 X201: 75kHZ SCHEMATIC DIAGRAM - 3 (FRONT: YH,YZ,YJ) 2423 2526 IC BLOCK DIAGRAM IC DESCRIPTION Pin No.Pin NameI/ODescription 1 COM 1OLCD commn output 1. 2COM 2OLCD commn output 2. 3COM 3OLCD commn output 3. 4S1OLCD segment output. 5S2OLCD segment output. 6S3OLCD segment output. 7S4OLCD segment output. 8S5OLCD segment output. 9S6OLCD segment output. 10S7OLCD segment output. 11S8OLCD segment output. 12S9OLCD segment output. 13S10OLCD segment output. 14S11OLCD segment output. 15S12OLCD segment output. 16S13OLCD segment output. 17S14OLCD segment output. 18S15OLCD segment output. 19S16OLCD segment output. 20S17OLCD segment output. 21S18OLCD segment output. 22S19OLCD segment output. 23S20 (NC)OLCD segment output. (Not connected) 24S21 (NC)OLCD segment output. (Not connected) IC, TC9322FB-501 Pin No.Pin NameI/ODescription 25S22 (NC)OLCD segment output. (Not connected) 26S23 (NC)OLCD segment output. (Not connected) 27K0IKey matrix input. 28K1IKey matrix input. 29K2IKey matrix input. 30K3IKey matrix input. 31T0OKey return timing output. 32T1OKey return timing output. 33T2OKey return timing output. 34T3OKey return timing output. 35FM / AMOH : FM out, L : AM out. 36FM MN / STOH : FM Stereo out, L : FM Mono out. 37S-BASSOS-BASS switching output. H: OFF, L :ON. 38ROCK-Not connected. 39DESI These two input ports determine the destination. 40DESI In Clock mode: H = LCD display TAPE. L : = LCD display TIME. 41TAPE / STIIn FM Stereo mode : H = FM ST indicator will Flash. L = FM ST indicator no Flash. 42POWER CHECKIA / D in for power supply voltage level. 43REMOTEIA / D in for remote controller. 44POWER SWOH : Power Off, L : Power On. 45HOLDIH : Hold Off, L :Hold On. 46BUZZEROBuzzer output. 47MUTEOMute output. 48TEST-Connected to ground. 49WAKE UPIWake up the system from Memory back-up mode. 50TUNE INIL : LCD display TUNED. 51TU OUTOWhen tuner on, L level is output. 52PLL OUTOPhase comparison output. 53GND-Ground terminal. 54FMINIFM oscillator signal input. 55AMINIAM oscillator signal input. 56VDD-Supply voltage terminal. 57RESETISystem reset input. 58XOUT-Crystal oscillator pin. 59XIN-Crystal oscillator pin. 60VXT-Power supply for crystal oscillator. 61VLCD-Reference voltage for LCD driver. 62C1- Voltage doubler boosting. 63C2- 64VEE-Connected to ground. IC, LAG668FTF 1XOUT-Crystal oscillator pin. 2TEST2-Connected to ground. 3PA3IKey matrix input. 4PA2IKey matrix input. 5PA1IKey matrix input. 6PA0IKey matrix input. 7PB3OKey return timing output. 8PB2OKey return timing output. 9PB1OKey return timing output. 10PB0OKey return timing output. 11FM / AMOH : FM out, L : AM out. 12FM ST / MNOH : FM Stereo out, L : FM Mono out. 3 13S-BASSOS-BASS switching output. H : OFF, L: ON. 14NC-Not connected. 15DESI These two input ports determine the destination. 16DESI In Clock mode: H = LCD display TAPE. L = LCD display TIME. 17TAPE / STIIn FM Stereo mode : H = FM ST indicator will Flash. L = FM ST indicator no Flash. 18POWER CHECK 1IPower check input port. 19NC-Not connected. 20BUZZEROBuzzer output. 21POWER CHECK 2IPower check input port. 22POWER CHECK 3IConstant 0.7V ref voltage for power check function. 23REMOTEIA / D in for remote controller. 24GND-Ground terminal. 25POWER SWOH : Power Off, L : Power On. 26HOLDIH : Hold Off, L : Hold On. 27MUTEOH : Mute Off, L : Mute On. 28TU OUTOH : Tuner Off, L : Tuner On. 29TUNE INIL : LCD displays TUNED. 30S15OLCD segment output. 31S14OLCD segment output. 32S13OLCD segment output. 33S12OLCD segment output. 34S11OLCD segment output. 35S10OLCD segment output 36S9OLCD segment output 37S8OLCD segment output 38S7OLCD segment output 39S6OLCD segment output 40S5OLCD segment output 2827 Pin No.Pin NameI/ODescription Pin No.Pin NameI/ODescription 41S4OLCD segment output. 42S3OLCD segment output. 43S2OLCD segment output. 44S1OLCD segment output. 45COM4OLCD commn output 4. 46COM3OLCD commn output 3. 47COM2OLCD commn output 2. 48COM1OLCD commn output 1. 49DBR4-LCD reference voltage. 50DBR3-LCD reference voltage. 51DBR2-Voltage doubler boosting. 52DBR1-Voltage doubler boosting. 53RESETISystem reset input. 54HCTR-Not connected. 55VDD-Supply voltage terminal. 56FMINIFM oscillator signal input. 57AMINIAM oscillator signal input. 58GND-Ground terminal. 59PLL OUTOPhase comparison output. 60LPF OUTILPF output. 61VTOVT input. 62GND-Connected to ground. 63TEST 1-Connected to ground. 64XIN-Crystal oscillator pin. IC, LC72343G-9482 ADJUSTMENT 1.AM IF Adjustment L105 . 450kHz 2.AM VT Check Settings : Test point :TP2 (VT) Method :Set to AM 530kHz and check that the test point is more than 0.8V. Then set to AM 1710 kHz and check that the test point is less than 8.7V. 3.AM Tracking Adjustment L101 . 630kHz VC101 .1440kHz 4.FM VT Adjustment Settings : Test point :TP2 (VT) Adjustment location : L103 Method :Set to FM 76MHz and adjust L103 so that the test point becomes 1.0V 0.1V. Then set to FM 108.1MHz and check that the test point is less than 8.5V. 5.FM Tracking Adjustment L102 . 76MHz 6.Tape Speed Adjustment Settings : Test tape :TTA100 (TAPE CENTRE) Test point :Phones Jack (J1) Adjustment location :SFR1 Tape/radio :TAPE S-BASS :OFF Volume :NON-CLIP(MAX -10dB ) Method :Play back the test tape and adjust SFR1 for 3000 10Hz. Then confirm WOW is less than 0.50%. 7.Azimuth Adjustment Settings : Test tape :TTA330/TTA420 Test point :Phones Jack (J1) S-BASS :OFF Tape/radio :TAPE Volume :MAX Adjustment location :Head azimuth adjustment screw Method :Play back the 8KHz signal of the test tape and adjust screw so that the output becomes maximum. MAIN C.BA PHONES J1 6 VR1 VOLUME SFR 1 6 IC1 1 3 L101 BAR ANT 5 4 2 4 3 L105 L103 L102 VC101 TP2(VT) P HEAD FWD 7 IC101 PRACTICAL SERVICE FIGURE Tape speed :3000Hz 60Hz Wow & flutter :Less than 0.50% (RMS) Take-up torque :35 50g-cm (FWD) F.F torque :More than 36g-cm Rew to
