Kenwood VR-208 Service Manual

Also see for VR-209: Connection guide Connection guide Instruction manual Instruction manual Service manual

Contents

Kenwood VR-208 Service Manual Manual pdf 9 page image

Pin No. Pin Name I/O Descriptions1 Vdd – Power supply(+5V)2~7 TEST O Test port.8 XI I Crystal oscillation port.9 XO O Crystal oscillation port.10 Vss – GND11 CPO O PLL output port.12~18 TEST I Test port.19 VIN I PLL input port.20 Vref I PLL input port.21 Vdd – Power supply(+5V)22~29 TEST I Test port.30 Vss – GND31 Vdd – Power supply(+5V)32~39 OPORT O Register output ports.40 Vss – GND41 Vdd – Power supply(+5V)42~44 TEST I Test port.45~47 SDO2~0 O PCM output port.48 SDOBCK I Bit clock for SD output ports.49 SDOWCK I Word clock for SD output ports.50 Vss – GND51 Vdd – Power supply(+5V)52 AC3DATA O AC3 data detection port.53 CRC O CRC error detection port.54 MUTE O Automatic mute detection port.55 KARAOKE O AC3 karaoke data detection port.56 SURENC O AC3 2/0 mode dolby surround encode input detection port.57 2/0MODE O AC3 2/0 mode input detection port.3.558,59 TEST I Test port.60 Vss – GND61 TEST I Test port.62 /IC I Initial clear port.63~65 TEST I Test port.66 /CS I Microprocessor interface chip selector input port.KRF-V7510D/V8010D/VR-208/2099CIRCUIT DESCRIPTIONPin No. Pin Name I/O Description61 FB.RLY O Front B speaker relay control. H=relay on.62 C.RLY O Center speaker relay control. H=relay on.63 S.RLY O Rear speaker relay control. H=relay on.64 POWER.RLY O Power relay control. H=relay on.65 STANDBY.LED O Standby led control.L=led on.66 DOL.DIG.LED O Dolby digital led control.L=led on.67 P.LEVEL.LED O Peak level led control.L=led on.68-70 None O No connect71 PACL_CTL O Non oscillation of power pack ic at power off. L=stop oscillation.72 AC3.IC O YSS248/CS4226 initial clear port.73 EMPHASIS O Tuner emphasis on/off. H=100k/10k,L=50k/9k.74-81 P1-8 O Display segments 1-8 & key returns 0-7.82-88 P9-15 O Display segments 9-15.89 Vdd O Microprocessor power supply(+5V)90,91 P16,17 O Display segments 16,1792-100 G1-9 O Display grids 1-9.2. DSP YSS248 (X08 : IC1)2-1 Pin descriptionwww.freeservicemanuals.info12/6/15Published in Heiloo, Holland.