1

00:00:00,400 --> 00:00:02,333

iPhone camera circuit repairing

2

00:00:02,900 --> 00:00:08,866

This video mainly explains how to find iPhone12, 12Pro wide-angle camera signals and measurement points

3

00:00:11,733 --> 00:00:16,566

Search methods step 1, find the wide-angle camera connector in the component map

4

00:00:19,466 --> 00:00:23,466

Step 2, determine the position number in the bitmap

5

00:00:26,100 --> 00:00:29,933

Step 3, search for the position number in the circuit diagram,

6

00:00:30,766 --> 00:00:32,800

and find the corresponding signals

7

00:00:37,266 --> 00:00:42,833

Step 4, according to the signals, jump to the bitmap to view the connected components

8

00:00:44,133 --> 00:00:48,533

The voltage and diode value can be measured at the position of the yellow point in the bitmap

9

00:00:50,300 --> 00:00:56,166

When checking the maps, we first open the iPhone 12, 12Pro component map, circuit diagram, bitmap

10

00:00:58,666 --> 00:01:01,133

Find the camera connector in the component map

11

00:01:06,366 --> 00:01:09,466

And determine the position number of the connector in the bitmap

12

00:01:11,733 --> 00:01:14,966

Then search for the position number in the circuit diagram

13

00:01:16,300 --> 00:01:20,333

After finding the camera connector, find the corresponding signals

14

00:01:22,500 --> 00:01:27,566

First find the 1.8V power supply from the camera power supply to the wide-angle camera

15

00:01:28,300 --> 00:01:32,633

Pin 1 of the connector supplies power for the wide-angle camera with 1.8V

16

00:01:32,933 --> 00:01:34,666

Jump to the bitmap according to the name,

17

00:01:35,066 --> 00:01:40,166

the 1.8V power supply passes through the fuse inductor FL10501,

18

00:01:40,466 --> 00:01:45,500

and then connects to the camera power supply U5300 after passing through the inductor

19

00:01:46,933 --> 00:01:51,500

Next, find the I2C bus from the camera power supply to the wide-angle camera

20

00:01:52,066 --> 00:01:56,033

Pins 5 and 7 are the I2C buses of the wide-angle camera

21

00:01:56,600 --> 00:01:58,400

Jump to the bitmap according to the name,

22

00:01:59,000 --> 00:02:02,666

pin 5 is connected to the camera power supply, without fuse in the middle

23

00:02:04,166 --> 00:02:07,133

Pin 7, jump to the bitmap according to the name,

24

00:02:07,333 --> 00:02:10,400

the bus is also directly connected to the camera power supply

25

00:02:11,200 --> 00:02:16,533

Next, find the 24M clock signal from the camera power supply to the wide-angle camera

26

00:02:17,133 --> 00:02:20,266

Pin 9 of the connector is the 24M clock signal

27

00:02:20,600 --> 00:02:22,366

Jump to the bitmap according to the name,

28

00:02:22,933 --> 00:02:26,800

the clock signal is connected to the resistor R10540,

29

00:02:27,133 --> 00:02:30,966

and connected to the camera power supply U5300

30

00:02:31,533 --> 00:02:35,900

Next, let's look for the AVDD2 power supply, PVDD power supply,

31

00:02:35,966 --> 00:02:39,200

2.85V power supply and 1.1V power supply

32

00:02:39,200 --> 00:02:42,533

sent by the camera power supply and the camera power supply conversion tube

33

00:02:47,633 --> 00:02:50,933

Pin 3 of the connector is the 2.85V power supply

34

00:02:51,366 --> 00:02:53,300

Jump to the bitmap according to the name,

35

00:02:53,466 --> 00:02:59,600

the 2.85V power supply is directly connected to the camera power supply conversion tube U5940

36

00:03:00,700 --> 00:03:03,600

Pin 11 of the connector is the PVDD power supply

37

00:03:05,233 --> 00:03:07,333

Jump to the bitmap according to the name,

38

00:03:08,033 --> 00:03:13,400

the PVDD power supply passes through the fuse inductor FL10500,

39

00:03:13,966 --> 00:03:18,400

and it is connected to the camera power conversion tube U6300

40

00:03:18,866 --> 00:03:22,100

The power supply will also be sent to the main power supply at the same time,

41

00:03:22,400 --> 00:03:25,866

so that the main power supply can monitor whether the power supply is normal

42

00:03:26,433 --> 00:03:30,600

Pins 38 and 39 of the connector are the 1.1V power supplies

43

00:03:31,100 --> 00:03:33,033

Jump to the bitmap according to the name,

44

00:03:33,666 --> 00:03:39,333

the 1.1V power supply is connected to the camera power supply conversion tube U5910

45

00:03:40,133 --> 00:03:42,966

Pin 2 of the connector is the AVDD2 power supply

46

00:03:43,500 --> 00:03:45,266

Jump to the bitmap according to the name,

47

00:03:46,000 --> 00:03:51,466

AVDD2 power supply is directly connected to the camera power supply, there is no fuse in the middle

48

00:03:52,200 --> 00:03:56,400

Next, look for the open signal from the camera power supply to the wide-angle camera

49

00:03:56,600 --> 00:03:58,866

Pin 15 of the connector is the open signal

50

00:04:00,100 --> 00:04:01,866

Jump to the bitmap according to the name,

51

00:04:02,233 --> 00:04:04,933

the open signal is connected to the camera power supply

52

00:04:05,300 --> 00:04:09,900

Next, let's find the LPDP bus from the wide-angle camera to the CPU

53

00:04:10,433 --> 00:04:14,900

The data transmitted by the LPDP bus will pass through the coupling capacitors

54

00:04:15,400 --> 00:04:23,366

Pins 21, 23, 27, 29, 33, 35 of the connector are the LPDP buses

55

00:04:25,000 --> 00:04:28,033

Pin 21, LPDP bus, jump to the bitmap according to the name,

56

00:04:28,633 --> 00:04:32,366

the pin is connected to the coupling capacitor C10524

57

00:04:32,700 --> 00:04:35,800

And connected to the CPU after passing through the capacitor

58

00:04:36,400 --> 00:04:39,600

Pin 23, jump to the bitmap according to the name,

59

00:04:40,200 --> 00:04:43,966

it is connected to the coupling capacitor C10525,

60

00:04:44,400 --> 00:04:47,500

and then connected to the CPU after passing through the capacitor

61

00:04:48,400 --> 00:04:51,733

Pin 27, jump to the bitmap according to the name,

62

00:04:52,200 --> 00:04:55,966

it is connected to the coupling capacitor C10522,

63

00:04:56,433 --> 00:04:59,533

and then connected to the CPU after passing through the capacitor

64

00:05:00,033 --> 00:05:03,000

Pin 29, jump to the bitmap according to the name,

65

00:05:03,566 --> 00:05:07,300

it is connected to the coupling capacitor C10523,

66

00:05:07,633 --> 00:05:10,733

and then connected to the CPU after passing through the capacitor

67

00:05:11,166 --> 00:05:14,333

Pin 33, jump to the bitmap according to the name,

68

00:05:14,833 --> 00:05:18,366

it is connected to the coupling capacitor C10520,

69

00:05:18,666 --> 00:05:21,666

and then connected to the CPU after passing through the capacitor

70

00:05:22,233 --> 00:05:25,333

Pin 35, jump to the bitmap according to the name,

71

00:05:25,900 --> 00:05:29,633

it is connected to the coupling capacitor C10521,

72

00:05:29,866 --> 00:05:32,966

and then connected to the CPU after passing through the capacitor

73

00:05:33,500 --> 00:05:37,966

If one of the coupling capacitors is damaged or missing, the camera cannot be turned on

74

00:05:39,733 --> 00:05:41,466

That's all for this video