Kenwood KRF-V7771D Service Manual

Also see for KRF-V7771D: Instruction manual Instruction manual Setup Instruction manual Service manual

Contents

KRF-V7771D/V8881D/VR-2080/209010CIRCUIT DESCRIPTION(X25) IC53MAIN u-COMuPD78078GF-080VIDEO ICNJU3713DSEL_DATA, SEL_CLK,VIDEO_STB(X11) IC1,2,42(X25) IC23SEL IC1/2TC9162~9164SEL_DATA, SEL_CLK,SEL_STB1, SEL_STB2(X11) IC21,23,25,27VOLUME ICTC9412/9413APVOL_DATA, VOL_CLK,VOL_CE1(X11) IC44TONE ICTC9184APVOL_DATA, VOL_CLK,VOL_CE2(X11) (X25)REMOCONREMOCON_IN1 (FRONT PANEL)REMOCON_IN2 (REPEATER)(X08)IC68TUNER/RDSSAA6579RDS_DAT, RDS_CLK,RDS_SLEVEL, T_MUTE,SD, STEREO(X11)IC602TUNER PLL ICLC72131PLL_CLK, PLL_DATA,PLL_CE, PLL_DOMEGA CHANGER(CD-0000M)UART_RXD, UART_TXD,(X08) IC66SUB u-COMuPD78058GCSUB_RESET, SDT, MOT,MCK, MREQ, SREQ(X25) IC61FL DRIVERFL_DOUT, FL_DIN,FL_CLK, FL_STB,DPU_RSTSERIALSDATA, SBUSY(X07) K1~6(X25) K1RELAYRELAY_A, RELAY_B,RELAY_CS, RELAY_TR,RELAY_POWER, EXT_OUTRELAY_MULTIDESTINATION999_888, 8_16, TSW_B,TSW_1, TSW_2,TSW_3 (CH, SP)(X11) S1ENCODERENC_VOL1, ENC_VOL2(X08) IC67REMOCON COMMUNICATION ICSMK_REQ, SMK_ENB, SMK_RWR, SMK_D0,SMK_D1, SMK_D2, SMK_D3, SMK_D4, SMK_D5,SMK_D6, SMK_D7MUTEMUTE_A, MUTE_B,SW_MUTE, -20dB_ATT,VIDEO_MUTE, SCH_MUTE(X25) IC 90PERFECT MACROPOWER DETECTTU_PDET, U_PDET,USEL_CTLA, USEL_CTLBUSEL_TR(X08) IC60,71,89OTHERSTC74HC153AFPROTECTION1,PROTECTION2, FAN1,FAN2, FAN3, DIN_1, DIN_2Push key I N P U T SELECTOR S P A S P B MUTE DISPLAY MODETUNER STEREO P. CALLUPP. CALLDOWNATTOFF ON FM AUTO/STEREO MANUAL/MONO(DOLBY DIGITAL LED : OFF ON)(Press the key for 2 secs)CD1 STEREO TONE (TUNED)+10 (light on) OFF (light off)ANALOG DIGITALMD/TAPE1 STEREOIR RECEIVER A(ON) OFFVIDEO1 PRO LOGICVIDEO2 3 STEREODISPLAY VIDEO3 STEREOVIDEO4 DSPARENA JAZZ CLUBTHEATER STADIUMCATHEDRALAV AUX STEREO TAPE2OFF ONPHONO STEREO INPUT LEVEL0dB -3dB -6dB4. Main microprocessor uPD78078GF-080 (X08 : IC69)4-1 Microprocessor periphery block diagramwww. xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299