Technical Documentation PHF Speaker faulty

8. Troubleshooting

PHF Spealer faulty

Check assembly of HF speaker, springs and connection to flex UL8

Check connections from speaker pads to C236 and C237

Check connections from speaker pads to C236 and C237

Check Flex UL8 and B-to-B conn X400 pins 43 to 46

Check VAMP at R201, R204, R205, R221*

Check R201, R204, R205, R221

C203, C204, C205, C206

AMP SHDN at V200 pin 2 2.8 V during a PHF call ?

Faulty V200

Note:R204 and R205 havedifferent resistance values in BL8 17 and BL8 18

Check R201, R204, R205, R221

C203, C204, C205, C206

AMP SHDN at V200 pin 2 2.8 V during a PHF call ?

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