KENWOOD KRFV6050D
Service Manual

KRF-V5050D/V5550D/V6050D/V7050D/X9050D
CIRCUIT DESCRIPTION
4. AK4112AVF u-com interface port
Pin Name Pin No. PD 7 AUTO 5 FS96 17 ERF 18 CSN 25 CCLK 26 CDTI 27 CDTO 28 I/O I O O O I I I O Function Power Down Mode Pin When "L", the AK4112AVF is power down and reset. Non PCM Detect Pin "L":No detect, "H":Detect 96kHz Sampling Detect Pin "H":fs=88.2kHz or more, "L":fs=54kHz or less. Unlock & Parity Error Output Pin "L":No Error, "H":Error Chip Select pin in Serial Mode Control Data Clock Pin in Serial Mode Control Data Input Pin in Serial Mode Control Data Output Pin in Serial

5. AK4527B u-com interface port
Pin Name Pin No. PDN 17 OVF 33 CSN 41 CCLK 42 CDTI 43 I/O I O I I I Function Power Down & Reset Pin Analog Overflow Detect Pin Chip Select Pin Control Data Clock Pin Control Data Input Pin

6. Test Mode
6-1 Entering the Test Mode
� While pressing the "BAND" key, plug the power cord into AC wall outlet.

6-2 Cancelling the Test Mode
� Initialized and cancel the test mode if pulling out the power code.

6-3 Contents of the Test Mode 6-3-1 Pch CALL UP/DOWN
Key DIMMER Function Pch CALL UP ... 01 02 03 Pch CALL DOWN ... 01 02 03

... ...

39 40

INPUT MODE

39 40

6-3-2 10 Steps Switching of P ch Call
Key SET UP Function Preset Operation

6-3-3 TUNER mute on/off
Key LISTEN MODE Function TUNER mute on/off

6-3-4 Key Operation
� The following operation is available during the all FL lighting up mode only.(only VR-507/509/510) Operation Keys Display Function SOUND Normal Indication RF receiving frequency is made 422MHz for VR-509/510 and 418MHz for VR-507. LISTEN MODE FRONT IR FRONT IR is enabled and remote control is disabled. SOURCE DIRECT RF BAND 2 RF receiving frequency is made 428MHz for VR-509/510.

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