Motorola Moto Z Play Troubleshooting Manual page 103

Mods Debug - Detection (common for all Mods)
• Signals at 16pin Mods connector utilized during detection: CC pin, SPI CS, SPI CLK, SPI MISO, SPI MOSI, B
+, GND
• Reference Mods block diagram provided at beginning of the Mods section
• Visually inspect the 16pins of the Mods connector (M750MOD+M751MOD) confirming they are not blocked or
damaged
• Reference schematic areas associated with the Mods detection in next slide
• Probe CC pin to confirm proper voltage level (reference table in the next slide)
• If all supply levels +signals in the detection block measure fine, replace U700MOD.
SPI SPI
CS CLK
B+ GND CC
M750MOD
MOTOROLA CONFIDENTIAL
SPI SPI
MISO MOSI GND
M751MOD
M750MOD M751MOD
BASEBAND TROUBLESHOOTING GUIDE
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