Ipod Section - Clarion VRX775VD Service Manual

iPod section

Not recognize iPod
work only in ipod?
OK
Check
the cable connection
OK
Check
the iPod DET
OK
Defective of
Q626, Q627, Q628
IC604, IC501
Not charge iPod
Confirm
the cable connection
OK
Does not
a protection circuit
work?
OK
Defective of
Q629, Q630, IC501
Ce-NET section
Not recognize
Ce-NET machinery connection
Confirm of
the cable connection
OK
Check
the power supply
of J604
OK
Defective of
Q631, IC605, IC501
VRX775VD
VRX776VD
Malfuntion of iPod
NG
or confirm
the charge situation
Defective of
NG
the cable, J603
Defective of
NG
ACC IDENT,
the output of iPod
Defective of
NG
the cable, J603
Confirm the connection
NG
of AMP-REM, A-ANT.
Confirmation by
a consumption current
NG
Defective of J604
NG
Defective of F601
EXPLANATION OF IC
051-5348-90 BA7652AF-E2
3-input Video Switch with Buffer Amplifier
IN 1 1
CNT 1 2
IN 2 3
CNT 2 4
Logic
Truth Table
OUT ( pin 7 )
= IN 1 ( pin 1 )
= IN 2 ( pin 3 )
= IN 3 ( pin 5 )
MUTE
052-7078-10 uPD703276YGJ-512-UEN-A
is for legal or rightholder-authorized copying only. Don't steal
music.
iPod is a trademark of Apple Computer, Inc., registered in the U.S.
and other countries.
TerminalDescription
pin 1: A Vref 0 : - : Reference voltage for the internal ADC.
pin 2: A VSS : - : Negative voltage supply for analog section.
pin 3: SYS ACC : O : ACC detect signal output.
pin 4: SUB MUTE : O : Sub-zone audio mute signal output.
pin 5: A Vref 1 : - : Reference voltage for the internal DAC.
pin 6: RDS CLK : IN : Not in use.
pin 7: AV ON : O : The ON command output to the power
pin 8: FLASH : IN : The signal input for the flash memory con-
pin 9: VDD : - : Positive voltage supply.
pin 10: REG C : - : The capacitor connection.
pin 11: GND : - : Ground.
pin 12: X in : IN : Crystal connection. Main 31.4MHz.
pin 13: X out : O : Crystal connection. Main 31.4MHz.
pin 14: RESET : IN : Reset signal input.
pin 15: XT I : IN : Crystal connection. Sub 32.758kHz.
pin 16: XT O : O : Crystal connection. Sub 32.758kHz.
pin 17: POWER KEY : IN : Power key input.
pin 18: BU 9V DET : IN : Backup 9V detection.
pin 19: BU 6V DET : IN : Backup 6V detection.
pin 20: NU : IN : Not in use.
pin 21: OSD INT : IN : The interrupt signal input for the on
pin 22: TUN SDA :I/O: I2BUS serial data input/output for the tun-
pin 23: TUN SCL : O : I2BUS serial clock output for the tuner
pin 24: TP REQ : IN : The request signal from the touch panel
pin 25: iPod/FLASH O : O : Serial data output to iPod or flash memo-
pin 26: iPod/FLASH IN : IN : Serial data input from iPod or flash mem-
pin 27: TP RST : O : The reset pulse output to the touch panel
pin 28: DIMMER : O : PWM output.
- 14 -
8 GND
7 OUT
6 VCC
5 IN 3
CNT 1 ( pin 2 ) CNT 2 ( pin 4 )
L L
H L
L H
H H
System Controller
supply section.
trol.
screen display.
er pack.
pack.
micro computer.
ry.
ory.
micro computer.