Pioneer AVH-P7800DVD/UC Service Manual page 200

1
The signal state at the time of 6ch
digtal out and Ripping.
CN1851 pin no. pin name
2 SRCK
A
4 LRCK
6 AD0/SUBC
8 AD1/BLK
10 AD2/CLD
12 DATA
14 IEC/IPFLG
16 -
18 SBCK
20 BMUTE
B
21 MCKENA
22 RIPP
23 EMPH
1 , 3 , 5 , 7 , 9 , 11 , 13 , 15 , 17 , 19 and 24pin is GNDD
Reproduce DVD-REF-A1 Title 22 Chapter1.
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
C
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 24Pin FFC.
Verification location 1
No.
(Sensing pin)
SRCK
7
LRCK
8
ADOUT0
9
D
ADOUT1
10
ADOUT2
11
IEC
12
MCKENA
13
E
F
200
1
2
6ch digital out Ripping
SRCK SRCK
LRCK LRCK
ADOUT0 SUBC
ADOUT1 BLKCK
ADOUT2 CLDCK
- DATA
IEC IPFLG
- -
- SBCK
BMUTE -
MCKENA MCKENA
RIPP RIPP
EMPH EMPH
Fig.11.7 : 6 ch digtal out/Ripping circuit
Verification
Rated value 1
location 2
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 pin14 VCC33V - 0.6 V or over
CN1851 pin21
-
AVH-P7800DVD/UC
2
3
The signal state at the time of 6 ch
digtal out and Ripping.
6 ch digital out Ripping
MCKENA Lo
RIPP -
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
VCC33 V x 0.3 or lower
3
4
-
Lo
4