Kenwood KRF-V7060D Service Manual

Also see for KRF-V6060D: Instruction manual Instruction manual Service manual

Contents

KRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/607014CIRCUIT DESCRIPTIONPin No. Pin Name I/O Pin Description1 X IN I Crystal resonator connection.2 CE I Chip enable.3 DI I Input serial data.4 CL I Used as the synchronization clock when serial data is input to the DI(pin 3), orwhen serial data is output DO(pin 5).5 DO O Outputs serial data.6 B01 • Dedicated output pins.7 B02 O • The output states are determined by B01 to B04 in the serial data.8 B03 "Data" =0 : Open "Data" =1 : Low9 B04 • These pins go to the open state after the power-on reset.Pins used for both input and output.10,12 I01, I02 I/O The input or output state is determined by bits I0C1and I0C2 in the serial data."Data" = 0 : Open, "Data" = 1: Low11 IF IN I IF count input.13 AM IN I Local oscillator signal input.14 FM IN I Local oscillator signal input.15 VDD - Power supply.16 PD O PLL charge pump output.17, 18 AIN I The MOS transistor used for the PLL active low-pass filter.AOUT O19 VSS - Ground.20 X OUT O Crystal resonator connection.Pin No. Pin Name I/O Pin Description1 MUTE I Mute control pin.2 INA I Composite Y signal input.3,5,8 GND - Ground pin.4 INB I Composite Cb signal input.6,11 N.C. - Unused.7 INC I Composite Cr signal input.9 OUTC2 O Output of the composite Cr signal.10 OUTC1 O Output of the composite Cr signal.12 OUTB2 O Output of the composite Cb signal.13 OUTB1 O Output of the composite Cb signal.14 OUTA2 O Output of the composite Y signal.15 OUTA1 O Output of the composite Y signal.16 VCC - Power supply pin.6-11 3 Channel 75ΩDriver : BA7666FS (X25, IC102)6-12 PLL Frequency Synthesizer LSI : LC72131M (Tuner Assy IC2)