Pioneer AVH-P7800DVD/UC Service Manual page 201

5
It is Ripping about general CDDA.
Checks are to be conducted using GNDD as a reference.
If the locations, listed under "verification location 2", can be verified, there is no need to conduct verifications for
the locations listed under "verification location 1."
If the result is not satisfactory, check to see if there are any problems with resin flux cored solder and other
defects in the applicable line, vicinity of major parts stated in the above diagram and
peripheral components.
It is the thing of the check after connection to a jig etc. about Pin24 FFC.
No. Verification location 1
(Sensing pin)
14 SRCK
15 LRCK
16 SUBC
17 BLKCK
18 CLDCK
19 DATA
20 SBCK
21 RIPP
Rated Value 1
GND
Fig.11.8 : 6 ch digtal out/Ripping8 rated values
DGND2
CN1851
pin24
5
6
Verification location 2 Rated value 1
CN1851 pin2 VCC33V - 0.6 V
or over
CN1851 pin4 VCC33V - 0.6 V
or over
CN1851 pin6 VCC33V - 0.6 V
or over
CN1851 pin8 VCC33V - 0.6 V
or over
CN1851 pin10 VCC33V - 0.6 V
or over
CN1851 pin12 VCC33V - 0.6 V
or over
CN1851 pin18 VCC33V - 0.6 V
or over
CN1851 pin22 -
Rated Value 2
IC1851
pin1
Fig.11.9 : 6 ch digtal out/Ripping check point
AVH-P7800DVD/UC
6
7
Rated value 2
0.4 V or lower
0.4 V or lower
0.4 V or lower
0.4 V or lower
0.4 V or lower
0.4 V or lower
0.4 V or lower
VCC33 V x 0.3
or lower
Side A
7
8
A
B
C
D
E
F
201
8