Pioneer AVIC-505 Service Manual page 20

1
AVIC-505
3.3 MAIN UNIT(2/3)(GUIDE PAGE)
- IF SECTION
A
A-a A-b
Guide page
A-a A-a A-b A-b
A-a A-a A-b A-b
B
C
D
A
2/3
20
1
2
Large size
SCH diagram
Detailed page
A
1/3
VIDEO D/A
2
3!
2
3
A-a
SYSTEM CD CONTROL µ-COM
GYRO D/A
GYRO
RGB BUFFER
POWER SUPPLY
NTSC ENCODER
0
@
CSYNC / TV VIDEO SELECT SW AND 75Ω DRIVER
3
4
LPF
*
AMUTE DRIVER
COMPLEMENT OF
CAR SPEED PULSE
WAVEFORM
VIDEO
&
#
4
SP OUTPUT
MU
POWER
POWER S