Flash Memory Circuit - Huawei U8950 Maintenance Manual

U8950 Maintenance Guide V1.0
Circuit Diagram Symbols in this Section
Signal Name
XTAL32K
_OUT
XTAL32K_IN
VREG_TCXO
TRK_LO_ADJ
RTR6285_TCX
O
TCXO

10.1.4 Flash Memory Circuit

Circuit Block Diagram
2012-10-22
Function
Output from the 32.768 kHz
main clock
Input from the 32.768 kHz main
clock
19.2 MHz oscillator power
supply
Control signal of the 19.2 MHz
output frequency
19.2 MHz clock output
19.2 MHz clock output
Huawei Proprietary and Confidential
10 Principles and Failure Analysis
Test Reference Value or
Oscillogram
2.9 V
None
61