Troubleshooting And Hint; Vstem Error; Cxd1881Ar Communication - Marantz SA-11S2 Service Manual

8. TROUBLESHOOTING AND HINT

VSTEM ERROR

[A] VSTEM ERRORS can be broadly divided into the following three cases:
• Case I: Inside SACD Engine PWB - when the IC and MPU cannot communicate (always occur)
• Case II: Outside SACD Engine PWB - when the MASTER CLOCK is not supplied to the ENGINE or each IC (always occur)
• Case III: When the power is ON and the RESET signal is not distributed (seldom occur)
Case I
Check (CLK LINE) and
The block diagram below shows how each block relates to others. Check that there is no problem with communication and
clock supply between ICs.
Inside SACD Engine PWB : Check the signal at each of
IC501
CXD1881AR
SDEN
RF-AMP, AGC, EQ
SDATA
SCLK
LASER POWER
CONTROL

CXD1881AR Communication

(MPU communication interface) on the PWB.
- on the PWB.
IC405∼IC406
CLK
IC502
CXD1885Q
DIGITAL SERVO
and PLL,
DEMODURATOR
MINT
MEDY
MRD
MCS
MWR
IC731
FEATUR and LOADING for SERVO-DSP MPU
RESET
QY61
R5F21124FP
EXTERNAL CLOCK & PHASE CONTOROL MPU
CLK buffer
768fs
IC401
CLK
IC404
CXD2753R
EPM33128 PSP DECORD
FIFO
DSD DECODER
MSDATAI
MSREADY
M3062LFGPFG
1-8
CLK IN
CLK
and
XMSLAT
MSCK
MSDATO
DSDRST