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 8 page image

Pin No. Pin Name I/O Description1,2 G10,11 O Display grids 10,113 None – Ic test mode port.4,5 None I No connect6 AUDIO I Audio signal detection port. L=AUDIO.7 VOL.ENC.A I Volume encoder A(clockwise) output.8 REMOCON I Remote contol signal input.9 VOL.ENC.B I Volume encoder B(counterclockwise) output.10,11 None O Ic test mode port.12-14 KR0-2 I Key return 0-2.15 PROTECT I Protection signal detection port. H=PROTECT.16 S.DATA I/O Serial DATA signal.17 S.BUSY I/O Serial BUSY signal.18 E2.DT I/O E2 PROM data.19 E2.CLK I/O E2 PROM clock.20 SEL.ENC.A I Selector encoder A(clockwise) input.21 SEL.ENC.B I Selector encoder B(counterclockwise) input.22 MULTI.ENC.A I Multi encoder A(clockwise) input.23 MULTI.ENC.B I Multi encoder B(counterclockwise) input.24 SER.IN I SL16/XS8 selector. H=16bit.25 AC3.SCK O YSS248 clock output.26 AC3.SI I YSS248 data input.27 AS3.SO O YSS248 data output.28 Vdd – Analog power supply(+5V)29 None I No connect30 SEL.ST2 O TC9162AF/63AF/64AF st2 output. H=latch.31 AC3.CS O YSS248 CS output.32 CODEC.CS O CS4226 CS output.33 PLL.DO I Pll ic do signal input port.34 PLL.ST I Tuner stereo signal detection port. L=STEREO.35 PLL.SD I Tuner sd signal detection port. L=TUNED.36 RCV.CE I Receiver chip enable signal port. L=ENABLE.37 Avss – Analog GND.38 RESET I Microproessor reset signal.39,40 8MHz I Main clock generation(8MHz).41 Vss – Microprocessor GND.42 None I No connect43 TEX – GND.44 Vdd – Power supply(+5V).45 Vfdp – Power supply(-33V).46 SEL.ST1 O TC9162AF/63AF/64AF st1 output. H=latch.47 PLL.DT O Pll ic data signal output port.48 PLL.CK O Pll ic clock signal output port.49 PLL.CE O Pll ic ce signal output port.50 T.TUNE O Tuner mute control. L=mute on.51 A.MUTE O Output mute control. L=mute on.52 SW.MUTE O Sub woofer mute control. L=mute on.53 10dB.ATT O Volume 10dB attenuation control. H=att. on.54 VOL.DT O Volume ic (M62446SP) data control.55 VOL.CK O Volume ic (M62447SP) clock control. H=active.56 VOL.ST O Volume ic (M62448SP) st control. H=active.57 VCR.MUTE O Video ic (NJU2279D) cont2/4 mute control. L=mute on.58 VCR.A O Video ic (NJU2279D) cont1 mute control. H/L=static.59 VCR.BB O Video ic (NJU2279D) cont3 mute control. H/L=static.60 FA.RLY O Front A speaker relay control. H=relay on.KRF-V7510D/V8010D/VR-208/2098CIRCUIT DESCRIPTION1-2 Pin descriptionwww.freeservicemanuals.info12/6/15Published in Heiloo, Holland.