PIONEER XR-MDX717/LBXCN
Instrukcja Serwisowa

X-MDX717, XR-MDX717

2-A1. (The laser does not radiate.)

A1

Are when playing, 36 pins of IC801 2.8V or more?.

NO

Please check the circuit of IC801 of 36 pins in the surrounding. Please check a digital signal of 20, 21 and 22 pins of IC801.

YES

Please check the circuit of Q801 in the surrounding. Please check FFC connector (CN801). Q802 is broken. Picking up is broken.

2-A2. (Is the lens vertical motion.)

A2
Fig. 6 NO Fig. 7

Is the wave forms of Figure 6 shown with 13 pins and 16 pins of CN801?.

YES
Is the wave forms of Figure 7 shown with 6 pins (FEO) of IC801?.

NO

YES

Please check the FFC connector from pick-up. Pick-up is broken.

Please check the circuit of IC801 , IC803 in the surrounding. IC803 is broken.

Please check the circuit in the surrounding with the solder of IC801 of 17 pins. IC801 is broken. IC802 is broken.

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