SERVICE MANUAL
Contents
1. 18 iK y c15 l ir foxes c16 R21 l wor 10 25 470K 206 405 06 08 25C536x 3 Zor t R RE 10 25 E il TUNER R25 IK ay u Heer 81925 m ces R24 20 10 mezor Ik 20 1025 PC R29 ces 690 R26 R27 470K R30 10000 25 2208 1K 470K RZE STOK ag 1 Mm 012 25 470K GMAO1x 14 G oia 25K304 Da BB Ra m PHONO JKOT GMAGI Rs D12 i Kora gt gt vo 016 TUNER soz o A CONTROL INPUT 548 OUTPUT 2 4 y For aux 4 020 D25 tax Va TAPE JKO4 m ask SYNCHRO REC ON OFF RO4 2 2K 1 2W w vos TAPE AUX TUNER 010 11 2 1002 LC7815BH mH T 100 6 3 c93 p cza T 100 25 R50 1 8K Y a c98 R48 L 100K R54 a 820p7 220K R56 an Sr ja m ji gm Roe IK m NJMO72D E mt pe cz 100 aa 6 25010126 2 M Be 258560 cso b 10 25 il fi a R71 220 iw c49 roses _ LI 16 22 PHONO Roz WE zk 172w 004 Do3 Q01 02 2SC1570x2 VROI 05 50K Wx 2 PARA N SLR54VT x2 1672. AC SW PCB ASS 1310 4001 13149 R KE ME RIG 120 R18 220 k R17 220 cai T 1 L ejt en k m N 110 220V AC 50Hz 220V 0 047 ROW Leh e 68K LUME B ASS Y 31 1890 105 under the spa AC input at 220 volts 50 Hz FUNCTION SW AUX Input Signal 1 kHz Sine wave Load Resistance 82 Output 18 W 18 W 12 0 V 4 This is a basic schematic diagram 39 VOLTAGE A SELECTOR POWER TRANS PRODUCT SAFETY NOTICE Each precaution in this manual should be followed during servicing Components identified with the IEC symbol Min the parts list and the schematic diagram designate components in which safetv can be of special significance When replacing a component identified with A use oniv the replacement parts designated or parts with the same ratings of resistance wattage or voltage that are designated in the parts list in this manual Leakage current or resistance measurements must be made to determine that exposed parts are acceptably insulated from the supply circuit before returning the product to the customer
3. 59 898 s 503 g 501 001 03 d 9 o siz SLR54PTx3 cos cos AL 0 022 0 01 A 5 7 ita thy 100K Dos 0 01 0 01 pos LED PCB ASS Y 1602 WE 2 GMAO1 4 140138 OF R26 56K VROG 10K Bx 2 1C01 STK6328A NOTES GRAPHIC P C B 55 1319 4001 11882 1 All resistors values are indicated in ohm K 10 M 105 2 All capacitors values are indicated in uF P 107 3 All voltages indicated on the schematics are measured under the following conditions a Usea V T V M b All voltages 10 with respect to chassis ground modo MIC JACK Ra7 JKOS 2 2K 33 470 a AC input at Z FUNCTION Input Signal Load Resistar Output 18 4 This is a basic sct T 100 6 3 R65 100 1 2 FUSE CIO3 100 TP 50 2 h 6 047 W R66 1001 2W FUSE Ed 22 50 R 2 47 50 2 tw 220P R48 SSE 100K 003 04 2SC536x2 T C42 FUSE 005 L 100 50 pos GZA5 6 AC OUTLET SWITCHED R77 150 3W R71 220 iw c49 0 25 R15 120
4. NO PREAMP TAPE SW IC ANALOGUE GRAPHIC MIC AMP IC Quad Bilateral SW FUNCTION SW IC EQUALIZER IC DIAL D TYPE FLIP FLOP IC 8 14 ih a 1 lip Mh 4 7 20 e NJMO72D e LC4066B e LC7815H e STK6328A e LC4013B DIODES POWER AMPLIFIER IC ua Cathode ee e GMA 01 an GZA5 6X gt s gt e DS 135D A eran R e 2 202 1 ARGdG Anode e DBA40C e STK4036 TRANSISTORS e 2SK330 ECB ECB e 2SD1012 e 25C536 e 2SC1570 e 2SA608 ECB B CE e 2SD330 e 2SB514 e 2SB560 IC EQUIVALENT CIRCUIT amp BLOCK DIAGRAM QUAD BILATERAL SWITCH IC LC4066BH SW D Sw CONT CONT T AR VDD A B IN OUT OUT IN OUT IN IN OUT ANALOGUE FUNCTION SWITCH IC LC7815H COM2 5 c2 SE ber on VEE vss MUTING CONTROL v TIMER CIRCUIT COMI Ai B1 C1 D1 TMN BIN CIN Din RESET MUTEIN CR 6 INPU 5 gt 1 OUTPUT 7 OUTPUT IC EQUIVALENT CIRCUIT amp BLOCK DIAGRAM GRAPHIC EQUALIZER IC STK6328A Lch INPUT 63Hz 250Hz IKHz 4KHz 16KHz CUT BOOST 5 4 e 1 16 17 18 19 20 15 14 63H 250Hz IKHz 4KHz 16KHz CUT BOOST Reh INPUT POWER AMPLIFIER IC STK4036 CABINET 8 CHASSIS EXPLODED VIEW PHONO jal 0 7 50 220P 4 c 220P 0 0047 0 018 R15 LEK
5. SERVICE MANUAL SANYO DCA M15 EUROPE INTEGRATED STEREO AMPLIFIER NOTE The photo on the cover shows the unit with a SILVER front panel The BLUE version is identical in all respects SPECIFICATIONS NOTE The below mentioned specifications are mainly based on the IHF measurements standard They can therefore not be compared directly with specifi cations based on the DIN standard or other standards POWER AMPLIFIER SECTION Graphic Equalizer Minimum RMS sine wave power 50 Hz 12 dB per channel no more than 250 Hz 12dB stated distortion and with 1 kHz 12 dB 8 ohm load at 1 kHz DIN 45 Watts 4 5 kHz 12 dB Total Harmonic Distortion 0 09 15 kHz 12 dB I M Distortion 0 09 Hum and Noise IHF Short Circuit A Network Speaker Damping gt 25 Phono 72 dB PREAMPLIFIER SECTION Tuner 80 dB Frequency Response Aux 80 dB Phono RIAA 0 5 dB Tape 80 dB Aux 1 0 dB 20 Hz 20 kHz Microphone 64 dB Microphone 3 dB 70 Hz 4 5 kHz GENERAL Input Sensitivity lmpedance Power Requirements AC 110 220V 50 Hz Phono 2 5 mV 50 kohms Power Consumption 296 W Tuner 150 mV 50 kohms Dimensions W x H x D 335 x 108 x 257 mm Aux 150 mV 50 kohms Weight approx 5 kg Tape 150 mV 50 kohms Microphone 1 5 mV 7 kohms Specifications are subject to change without notice Phono Max Input Capability 120mv WM 9144 Input TUNER AUX CD TAPE P B REC OUT SFT Function Tape Mon
6. itor Buffer Amp EQ Amp P Graphic Equalizer KA 5 Bands met STK 6328A NJMO72D O 2SC1570 LC 4066BH LC 7815BH 50Hz 1 kHz 15 kHz Y 250Hz 4 5 kHz MIC Amp MIC eg Mixing VR Q NJM072D 5 Mixing Graphic Rec Out ac Pre Amp Main Amp Relay er Speakers SW Speaker System 81 ol 5 9 00 O 8 1 Master kan 09 Volume NJMO72D STK 4036 w CONTENTS KunttionamBiocktbjaqfatijik Przed ae WYR ACZ 2 Recommended rest EG an HO ae 3 Harmonic DISCO On TEST NW ak a Gre 3 Gonneetimg Diagram Ma fl was ee See TT oe eS HS EEE Direct Gall Function amp Synchro Recording sems 2 2 nd as a iw a X JE 5 Trouble Shooting ss a ae tek au nn Yao oe 5 17 Equivalent Circuit amp Block Diagram dawna eaa OR ie whi 17 19 Gabinet A Chasis Exodoa VIEW A caso wi os foe wre a ee Swe i Fa 20 PAS EB 7 AA RR oe ta 21 24 Printed Circuit Board Bottom View nare i A 25 28 Point Wirmo Madia A ie adw woo ANA te ea w w 29 30 Schematic Sale a a A 3132 Semiconductor Lead Identification ssscessicenose sieden nama a Vana ae Sa WA 33 FUNCTIONAL BLOCK DIAGRAM SEMICONDUCTOR LEAD IDENTIFICATION INTEGRATED CIRCUITS PHO
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