Marantz UD9004/U1B - Page 37

35
UD9004
Check +12V output
• Voltage Check
+12V DC (switched) Voltage is O.K.?
[L104] C200 side output
N.G.
Check Parts and Soldering.
• [IC107] (SI-8005Q-TL)
and Other Circuits
O.K.
Check +6V output
• Voltage Check
6V DC (switched) Voltage is O.K.?
[CY051] 1pin output
N.G.
Check Parts and Soldering.
• [IC101] (SI-8005Q-TL)
and Other Circuits
O.K.
Check +5V output
• Voltage Check
5V DC (switched) Voltage is O.K.?
[CY051] 2pin output
N.G.
Check Parts and Soldering.
• [IC104] (MAX8577UEB)
• [TR105,TR106] (TPCA8012-H)
and Other Circuits
O.K.
Is the rear side fan turning?
N.G.
Check Parts and Soldering.
• [IC104] (MAX8577UEB)
• [TR105,TR106] (TPCA8012-H)
8U-37AK55000
• [IC853] (R5F364VDNFB)
and Other Circuits
O.K.
END