Kenwood VR 3080 Service Manual - Page 9

KRF-V7772D/VR-3080 CIRCUIT DESCRIPTION Pin No. 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83,84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 Name DSP_SO DSP_SCK TEXT_RX TEXT_TX DSP_IC FL_RST FL_STB FL_DI FL_DO FL_CLK 8/16 S_DATA S_BUSY SW_MUTE ATT-20dB SUR_MUTE MAIN_MUTE SP_A,B SP_CS POWER SECOND I_PROT V_PROT IR_RCV SEL_CLK SEL_DATA SEL_ST IN_ATT3 IN_ATT6 TAPE2_LED REM_RWR REM_ENB REM_REQ VSS I/O Connect Description O P.D. DSP(YSS912), CODEC(CS4226)DATA OUT O P.D. DSP(YSS912), CODEC(CS4226)CLOCK I P.D. CD TEXT UART COMMUNICATION DATA IN O P.D. CD TEXT UART COMMUNICATION DATA OUT O P.D. DSP(YSS912) INITIAL CLEAR O P.D. FL DRIVER(uPD780204) RESET O P.D. FL DRIVER(uPD780204) STROBE I P.D. FL DRIVER(uPD780204) DATA IN O P.D. FL DRIVER(uPD780204) DATA OUT O P.D. FL DRIVER(uPD780204) CLOCK I/O - SERIAL XS8/SL16 CHANGEOVER(SL16:L) I/O P.D. SERIAL DATA I P.D. SERIAL BUSY O P.D. SUBWOOFER MUTE O P.D. 20dB AMP CHANGEOVER (AMP on:H) O P.D. SURROUND ch MUTE O P.D. MAIN MUTE O P.D. SPEAKER A,B RELAY O P.D. CENTER,SURROUND SPEAKER RELAY O P.D. POWER RELAY O P.D. POWER RELAY 2 I P.D. PROTECTION CURRENT DETECT I P.D. PROTECTION VOLTAGE DETECT I - IR RECEIVER DISTINCTION(IR RECEIVER EXIST:H) O P.D. SELECTOR(NJU7312,NJU7313,TC9162) CLOCK O P.D. SELECTOR(NJU7312,NJU7313,TC9162) DATA O P.D. SELECTOR(NJU7312,NJU7313,TC9162) STROBE O P.D. INPUT ATTENUATOR -3dB O P.D. INPUT ATTENUATOR -6dB O P.D. TAPE2 LED I P.D. LCD REMOTE RWR I P.D. LCD REMOTE ENABLE O P.D. LCD REMOTE REQUEST - - GND 9