Pioneer VSX-321-K-P Service Manual page 18

1
A
Step 6: DSP output (digital) to CODEC input
Digital output of each CH when inputting the digital signal with audio.
IC601 (pin 7)
Is there a bit clock
input?
(0 V ↔ 3.3 V)
Yes
IC601 (pin8 )
B
Is there a LR clock
output?
(0 V ↔ 3.3 V)
Yes
IC601 (pin 6)
Is there a data input?
(0 V ↔ 3.3 V)
Yes
IC601 (pin11)
C
Is there a data input?
(0 V ↔ 3.3 V)
Yes
IC601 (pin 11)
Is there a data input?
(0 V ↔ 3.3 V)
Yes
D
IC601 (pin 13)
Is there a data input?
(0 V ↔ 3.3 V)
Yes
To Step 7
E
F
18
1
2
DSP_BCK (BIT CLOCK)
No
DSP_LRCK (LR CLOCK)
No
front L/R data
No
surround L/R data
No
CENTER/LFE data
No
surround back L/R data
No
Check the path between IC102
and data & address lines.
SDRAM (IC103), FLASH ROM (IC104).
2
3
Step 7: CODEC output (ANALOG)
Analog output of each CH when inputting the digital signal with audio.
IC603 (pin 1)
Is there a audio signal
output?
Yes
IC603 (pin 7 )
Is there a audio signal
output?
Yes
IC604 (pin 1)
Is there a audio signal
output?
Yes
IC604 (pin7)
Is there a audio signal
output?
Yes
IC605 (pin1)
Is there a audio signal
output?
Yes
IC605 (pin7)
Is there a audio signal
output?
Yes
End
HTP-071
3
4
front R out
No
front L out
No
surround R out
No
surround L out
No
center out
No
LFE out
No
Replace IC602, IC603, IC604,
IC605 and IC606.
4