Kenwood VR-505 Service Manual page 7

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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
5. AK4527B u-com interface port
Pin Name Pin No.
PDN 17
OVF 33
CSN 41
CCLK 42
CDTI 43
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.
TE
L 13942296513
6-3 Contents of the Test Mode
6-3-1 Pch CALL UP/DOWN
Key
DIMMER
INPUT MODE
6-3-2 10 Steps Switching of P ch Call
Key
SET UP
6-3-3 TUNER mute on/off
Key
LISTEN MODE
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
SOUND
LISTEN MODE
www
SOURCE DIRECT
.
CIRCUIT DESCRIPTION
I/O
I Power Down Mode Pin When "L", the AK4112AVF is power down and reset.
O Non PCM Detect Pin "L":No detect, "H":Detect
O 96kHz Sampling Detect Pin "H":fs=88.2kHz or more, "L":fs=54kHz or less.
O Unlock & Parity Error Output Pin "L":No Error, "H":Error
I Chip Select pin in Serial Mode
I Control Data Clock Pin in Serial Mode
I Control Data Input Pin in Serial Mode
O Control Data Output Pin in Serial
I/O Function
I Power Down & Reset Pin
O Analog Overflow Detect Pin
I Chip Select Pin
I Control Data Clock Pin
I Control Data Input Pin
Function
Pch CALL UP
... ...
01 02 03 39 40
Pch CALL DOWN
... ...
01 02 03 39 40
Function
Preset Operation
Function
TUNER mute on/off
Display
Normal Indication RF receiving frequency is made 422MHz for VR-509/510 and 418MHz for VR-507.
FRONT IR FRONT IR is enabled and remote control is disabled.
RF BAND 2 RF receiving frequency is made 428MHz for VR-509/510.
x ao
y
i
VR-505/506/507/509/510/517
8
Function
Q Q
3 6 7 1 3
Function
u163
.
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9
7