Nokia RM-626 Service Manual page 185

RM-626
Camera Module Troubleshooting
Sr. No
1 X2500
2 R1487, R1488
3 N1515
4 N1517
5 V2503, V2504
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 SEC_CAM_CLK
6 SEC_CAM_SHUTDOWN
7 SEC_CAM_I2C(1:0)
8 SEC_CAM_CCP(3:0)
Issue 1
Reference
UI flex connector
Pull-up resistors on the secondary camera I2C lines. Resistor value
4.7 KOHMS.
VCAM_1V8 regulator
VCAM_2V8 regulator
Common mode filters on SEC_CAM_CCP(3:0) bus
Measuring point
L1487/C1488
L1488/C1491
J1515
J1516
R1429
J2404
R1487, R1488
V2503, V2504
COMPANY CONFIDENTIAL
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Description
Description
1.8V supply to secondary camera
2.8V supply to secondary camera
Enable signal for VCAM_1V8 regulator. This signal
needs to be high for enabling the regulator.
Enable signal for VCAM_2V8 regulator. This signal
needs to be high for enabling the regulator.
External clock signal to secondary camera
Reset signal to secondary camera.
I2C signals for secondary camera
CCP signals for secondary camera
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