Marantz UD9004/U1B - Page 46

44
UD9004
6. 8U-310010 (FE/SACD UNIT)
6.1. BD or DVD or CD or SACD check
Check HF signal
8U-310010 (FE/SACD UNIT)
MEASURING METHOD AND WAVEFORMS
• Ceck
qHF Waveform.
N.G.
Defect of primary circuit component.
8U-310010 (FE/SACD UNIT)
• [IC100][CX451] and Other Circuits
O.K.
Check MUTE signal
8U-310010 (FE/SACD UNIT)
• [IC100] 34pin [CTL2]: “H” level?
N.G.
Check Parts and Soldering.
8U-310010 (FE/SACD UNIT)
• [IC100][IC151] and Other Circuits
O.K.
Check signal of Focus system
MEASURING METHOD AND WAVEFORMS
•Check
w 〜 r,t 〜
.
y
N.G.
Check Parts and Soldering.
8U-310010 (FE/SACD UNIT)
• [IC100][IC151][CX451] and Other Circuits
O.K.
Check signal of Tracking system
MEASURING METHOD AND WAVEFORMS
•Check
i 〜
.
Q0
N.G.
Check Parts and Soldering.
8U-310010 (FE/SACD UNIT)
• [IC100][IC151][CX451] and Other Circuits
O.K.
Check signal of Spindle system
MEASURING METHOD AND WAVEFORMS
•Check
,.
Q1 Q2
N.G.
Check Parts and Soldering.
8U-310010 (FE/SACD UNIT)
• [IC100][IC151][CX182] and Other Circuits
O.K.
Check signal of Thread system
MEASURING METHOD AND WAVEFORMS
•Check
Q3 〜
.
Q6
N.G.
Check Parts and Soldering.
8U-310010 (FE/SACD UNIT)
• [IC100][IC151][CX182] and Other Circuits
O.K.
END