Kenwood KRF-V4530D Service Manual

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Kenwood KRF-V4530D Service Manual Manual pdf 6 page image

KRF-V4530D/V5030D/V6030D/VR-405/406/4146CIRCUIT DESCRIPTIONPin No. Pin Name I/O Description1 S. DATA I/O Serial data signal.2 S.BUS I/O Serial busy signal.3 SEL. ST1 O Strobe output to input selector ( IC106).4 SEL/VOL/PLL DT O Data output to selector,volume and PLL IC.5 SEL/VOL/PLL CLK O Clock output to selector,volume and PLL IC.6 SEL. ST2 O Strobe 2 output to input selector ( IC109).7 PLL. CE O PLL chip enable.8 Vdd (+5v) - Power supply.9 OSC OUT O 8MHz clock output.10 OSC IN I 8MHz clock input.11 Vss - Connected to ground.12 X IN - Connected to ground.13 X OUT - No used.14 MMCD - Connected to ground.15 Vref- - Connected to ground.16,17 KEY2,KEY1 I Input terminal of key1 and key2.18 MODEL TYPE I Discrimination port of models.19 TH. SENS I No used.20 PROTECT I Detection port of protection signal 1.21 PROTECT2 I Detection port of protection signal 2.22 S.LEVEL/CH SPACE I RDS S level and channel space changeover.23 PLL DO I RDS PLL data signal input.24 Vref+ - Reference voltage of AD converter..25 CE I Chip enable.26 RESET I Reset signal input.27 T. MUTE O Muting signal output to tuner.28 RF ST O CE signal output of RF receiver IC.29 RF DT O Data signal output of RF receiver IC.30 RF CLK O Clock signal output of RF receiver IC.31 VOL.ST O Latch output of electric volume.32 DSP INTREQ I/O Detection port of DSP INTREQ.33 DTS DET I Detection port of DTS data.34 REMOCON I Remote control signal input.35 DIR ERR I Detection port of DIR error signal.36 DZF I Detection port of CODEC zero input.37 RDS.CLK I RDS clock input.38 RDS.DAT/CE2 I RDS data input./u-COM chip enable 2.39 DSP/DIR/CORDEC CDIN O Serial data output.40 DSP/DIR/CDOUT I Serial data input.41 DSP/DIR/CORDEC CCLK O Clock output to IC2, IC5 and IC51on X08.42 DSP CS O DSP chip select.43 DSP PD O DSP power down.44 DIR CODEC CS O CODEC chip select.45 DIR CODEC PD O DIR CODEC power down.46 NO USE - No used.47-57 1G-11G O FL grid control(1G-11G).58-74 P1-P17 O FL segment control(P1-P17).75 PACK CONT. O Power pack control.76 LIMMITER O Control port of A class power supply.77 REAR RE O Relay control terminal of surround speaker.78 CENTER RE O Relay control terminal of center speaker.79 FB RE O Relay control terminal of front B speaker.80 FA RE O Relay control terminal of front A speaker.Pin description of microprocessor : X14,IC1(MN101C35DRA)