Main Camera Troubleshooting - Nokia RM-609 Service Manual

RM-609
Camera Module Troubleshooting

Main camera troubleshooting

Context
The following references on the PWB help in the effective debugging and troubleshooting of the main/
primary camera.
Sr. No
1 X1400
2 R1477, R1478
3 D1400
4 N1515
5 N1517
The following test points on the PWB help in the effective debugging and troubleshooting.
Sr. No Signal name
1 VCAM_1V8
2 VCAM_2V8
3 VDIG_ENABLE
4 VANA_ENABLE
5 PRI_CAM_CLK
6 PRI_CAM_I2C(1:0)
Issue 1
Reference
Primary camera socket
Pull-up resistors on primary camera I2C lines. Resistor value 4.7
KOHMS.
BCM2727B IC
VCAM_1V8 regulator
VCAM_2V8 regulator
Measuring point
L1515/C1516
C1520
J1515
J1516
R1430/C1471
R1477, R1478
COMPANY CONFIDENTIAL
Copyright © 2011 Nokia. All rights reserved.
Description
Description
1.8V supply to primary camera
2.8V supply to primary camera
Enable signal for VCAM_1V8 regulator. This
signal needs to be High for the regulator to
be On.
Enable signal for VCAM_2V8 regulator. This
signal needs to be High for the regulator to
be On.
External clock signal to primary camera
I2C signals for primary camera
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