KRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/60707CIRCUIT DESCRIPTIONInput AD Key Get 1 AD Key Get 2 AD Key Get 3 AD Key Get 4 R (kΩ) Volt (V)Voltage (V) (Pin 6) (Pin 7) (Pin 8) (Pin9)0.0 to 1.0 Key Off1.1 to 1.5 DVD/6CH LOUDNESS SOUND - 43 1.29or THX1.6 to 2.0 CD/DVD SP EQ TONE STANDBY 27 1.792.1 to 2.5 PHONO ACTIVE EQ SET UP - 18 2.272.6 to 3.0 TUNER DSP BAND SPA 12 2.783.1 to 3.5 VIDEO 1 STEREO AUTO SPB 7.5 3.333.6 to 4.0 VIDEO 2 INPUT MODE MEMORY - 4.7 3.814.1 to 4.5 VIDEO 3 DIMMER UP MUTE 2.4 4.314.6 to 5.0 MD/TAPE - DOWN AV AUX 0.62 4.80Pin No. Pin Name I/O Pin Description60 PLL CLK O Clock output to PLL IC (TUNER ASSY).61 PLL DIN O Data output to PLL IC (TUNER ASSY).62 PLL CE O Chip enable output to PLL IC (TUNER ASSY).63 SURR.MUTE I Mute control for surround.64 SB PREMUTE O Mute control for SB.65 SP. A RLY O Relay control for A speaker.66 C RLY O Relay control for center speaker.67 SURR.RLY O Relay control for surround speaker.68 SP. B RLY O Relay control for B speaker.69 SB SW SELECT O Selection port for SB and SW.70 VOL SEL. ST O Strobe output to E. volume IC (X09, IC2).71 VOL. SEL DATA O Data output to E. volume IC (X09, IC2).72 VOL. SEL CLK O Clock output to E. volume IC (X09, IC2).73 TAP RLY O Switching port for transformer tap.74 LIMITER O Power control for A class.75 DSP CS I CS input port from DSP.76 CH SPACE/RDS DIN I Data input of RDS demodulator IC.77 A. MUTE O Audio mute control.78 PROT2 I Protection signal detection pin for over voltage.79 PROT1 I Detection pin of protection for shorted supply voltage.80 P0WER RLY O Control port of power relay.81 LED DATA O Data output to led driver (X14, IC74).82 LED CLK O Clock output to led driver (X14, IC74).83 F AUX LED O LED (F.AUX) control port.84 TUNER LED O LED (TUNER) control port.85 STANDBY LED O LED (STANDBY) control port.86 CS ¿ LED O LED (CS¿) control port.87 MULTI ENC A I Encoder (Multi control) upward detection.88 MULTI ENC B I Encoder (Multi control) downward detection.89 LISTEN ENC A I Encoder (LISTEN MODE) upward detection.90 LISTEN ENC B I Encoder (LISTEN MODE) downward detection.91 VOL. ENC A I Encoder (Vol. Cont.) clockwise detection.92 VOL. ENC B I Encoder (Vol. Cont.) counterclockwise detection.93 MODEL TYPE 0 I Discrimination port for model type.94 MODEL TYPE 1 I Discrimination port for model type.95 DAVSS - Connected to be ground.96,97 N.C. - Unused.98 20dB ATT. O 20dB attenuator control.99 6dB ATT. O 6dB attenuator control.100 DAVDD - +5V power supply.5. Key Matrix