Nokia RM-596 - Main Camera 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 Reference Description
1 X1476 Primary camera socket
2 R1477, R1478 Pull-up resistors on primary camera I2C lines. Resistor value 4.7
KOHMS.
3 D1400 BCM2727B IC
4 N1515 VCAM_1V8 regulator
5 N1517 VCAM_2V8 regulator
The following test points on the PWB help in the effective debugging and troubleshooting.
Sr. No Signal name Measuring point Description
1 VBAT L1476/C1476 VBAT supply to primary camera
2 VCAM_1V8 L1477/C1479 1.8V supply to primary camera
3 VCAM_2V8 L1478/C1482 2.8V supply to primary camera
4 VDIG_ENABLE J1515 Enable signal for VCAM_1V8 regulator. This
signal needs to be High for the regulator to
be On.
5 VANA_ENABLE J1516 Enable signal for VCAM_2V8 regulator. This
signal needs to be High for the regulator to
be On.
6 PRI_CAM_CLK J1476 External clock signal to primary camera
7 PRI_CAM_SHUTDO
WN
J1477 Shutdown signal to primary camera. This
needs to be High for the camera to be Up.
8 PRI_CAM_I2C(1:0) R1477, R1478 I2C signals for primary camera
RM-596
Camera Module Troubleshooting
Page 5 – 18 COMPANY CONFIDENTIAL Issue 2
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