Trouble Shooting - Pioneer RRV2231 Service Manual

7.1.2 TROUBLE SHOOTING

• No Power ON
• TFT is not turned ON
• LCD indication is unusual
START
Power ON
No
Is TFT turn on ?
Yes
No
Is the indication
of LCD normal ?
Yes
Is the spindle No
motor rotate ?
Yes
No
Do the video and
sound come on ?
Yes
OK
• Check the DC voltage : DC 9V input (TP9)
• Check the D1 and F2 on the PDVDM Assy.
• Check each voltage (TP11: V5DR, TP12: V+5S, TP13: V+5A,
TP14: V+5D, TP15: V+3D, TP16: V2.5V and TP17: V5SP).
(If above voltage are not supplied, check the TP11, TP17-Q7,
TP12-TP14: Q6, TP15-Q9, TP16-Q10.)
• Check the connection between CN602 and CN2001.
• Check the voltage of TP626: V+3V.
• Check the voltage of IC2001-pin 68.
• Check the voltage of CN2001-pins 12 and 13.
• Check the connection between CN1 and CN120 of the Traverse
Mechanism Assy.
• Check the V+5S voltage on the PDVDM Assy.
• Check the voltages of TP125, TP139 and TP140.
• Check the connection between CN401 and TFT B1.
• Check the switch of AV SELECT S850.
PDV-LC10
47