Ive Troubleshooting; Tv Out Troubleshooting; Introduction To Sdtv Troubleshooting - Nokia RM-701 Service Manual

RM-701
BB Troubleshooting and Manual Tuning Guide
Sr. No Signal name
1 VIVE_2V5_FILT
2 VIVE_2V8_FILT
3 VIVE_1V8_FILT
4 VBAT
5 RUN
6 XIN

IVE troubleshooting

Troubleshooting flow

TV out troubleshooting

Introduction to SDTV troubleshooting

The phone has SDTV capability. The phone can be connected to an analog TV through a TV Out cable.
The following references on the PWB help in the effective debugging and troubleshooting of SDTV Out.
Sr. No
1 R1419
2 D1400
3 N2001
4 L2005
Issue 1
Measuring point
C1433
C1406
C1408
C1466
J1425
C1448
Reference
COMPANY CONFIDENTIAL
Copyright © 2011 Nokia. All rights reserved.
DAC termination resistor. Resistor value 15 OHMS.
BCM2763A IC
Analog switch
Ferrite bead on the CVBS signal
Description
2.5V supply to BCM2763A
2.8V supply to BCM2763A
1.8V supply to BCM2763A
VBAT supply to BCM2763A
Enable signal to IVE. This needs to be
High for IVE to be Up.
19.2MHz clock to IVE
Description
Page 3 – 21