Thay n?t ngu?n Apple Watch Series SE 2023 ch?nh h?ng

Thay n?t ngu?n Apple Watch Series SE 2023 ch?nh h?ng: Ph?n T?ch C?m C?p B? FPC, X? L? Pan K?t Ph?m, Bootloop T?o Treo & K? Thu?t T?i L?p Ron Kh?ng N??c 50m Chu?n Ph?ng Lab VietITPro

Ch?o b?n, t?i l? K? S? Ph?n C?ng Tr??ng t?i Ph?ng Lab K? Thu?t Apple Watch VietITPro. Tr?n chi?c ??ng h? th?ng minh Apple Watch Series SE 2023 (SE th? h? th? 2), n?t ngu?n v?t l? (Side Button - Ph?m s??n) l? th?nh ph?n ?i?u khi?n ph?n c?ng t?i quan tr?ng. Kh?ng ch? ??n thu?n d?ng ?? b?t/t?t ngu?n thi?t b?, Side Button c?n l? c?ng giao ti?p ?a nhi?m: g?i kh?n c?p SOS kh?n c?p, k?ch ho?t Apple Pay qua x?c th?c NFC, chuy?n ??i nhanh ?ng d?ng trong Dock v? l? ?i?u ki?n b?t bu?c ?? ??a Apple Watch v? ch? ?? ph?c h?i ch?n ?o?n DFU/Diagnostics.

Tuy nhi?n, v?i ??c th? l? thi?t b? ?eo tay th??ng xuy?n ti?p x?c v?i m? h?i mu?i, b?i b?n, n??c m?a v? h?a ch?t t?y r?a, c?m c?p b? ph?m Side Button tr?n Apple Watch SE 2023 l? m?t trong nh?ng b? ph?n c? t? l? h? h?ng c? - ?i?n t? cao nh?t sau 12 - 24 th?ng s? d?ng. T?i VietITPro, ch?ng t?i ti?p nh?n r?t nhi?u ca b?nh t? k?t c?ng ph?m, b?m kh?ng ?n, ph?m th?t l?n s?u v?o khung v? cho ??n pan b?nh nguy hi?m "treo logo T?o nh?p nh?y li?n t?c" (Bootloop).

B?i vi?t n?y t?i s? ph?n t?ch chuy?n s?u cho b?n d??i g?c nh?n k? s? ph?n c?ng: t? c?u t?o vi m? c?a c?m c?p b? FPC ?a ch?c n?ng, c? ch? ?n m?n ?i?n h?a, quy tr?nh b?c t?ch m?n h?nh OLED Force Touch chu?n nhi?t ??, cho ??n k? thu?t ?p keo ron ?p l?c t?i l?p ti?u chu?n kh?ng n??c 50 m?t ISO 22810:2010.

1. C?u T?o C? - ?i?n T? C?a C?m C?p B? Side Button Tr?n Apple Watch SE 2023

Kh?c v?i c?c d?ng ??ng h? th?ng th??ng, Apple kh?ng thi?t k? n?t ngu?n nh? m?t c?ng t?c c? h?c ??n l? m? t?ch h?p th?nh m?t Module C?p B? D?o Ph?c H?p FPC (Flexible Printed Circuit) si?u vi m?.

+-----------------------------------------------------------------------------+
|               C?U TR?C C?M C?P B? SIDE BUTTON APPLE WATCH SE 2023           |
+-----------------------------------------------------------------------------+
               [Khung Nh?m Unibody Series 7000]
                     |
  +------------------+------------------+------------------+
  |                                     |                  |
  v                                     v                  v
[N?t B?m Side Button]          [N?m Xoay Digital Crown]  [L? Tho?t Mic ??m Tho?i]
  | (Ph?m nh?m ngo?i)                   | (Tr?c xoay quang h?c)   | (M?ng ch?ng ?n)
  v                                     v                  v
[V?m N?y Metal Dome Switch]    [C?m Bi?n Quang T? Hall]   [Microphone MEMS]
  | (L? ??ng m? v?ng vi m?)             | (Encoder nh?n di?n xoay) | (Thu ?m Siri/Cu?c g?i)
  +------------------+------------------+------------------+
                     |
                     v
      [D?i C?p B? FPC M? M?ch V?ng]
                     |
                     v
   [Socket K?t N?i Bo M?ch Ch? Apple S8 SiP]

1.1. C?ng T?c V?m N?y Kim Lo?i (Metal Dome Switch)

• B?n ch?t: N?t b?m s? d?ng m?t l? v?m kim lo?i kh?ng g? si?u ??n h?i (Stainless Steel Dome) c? ???ng k?nh ch? kho?ng 2.5mm, ???c ph? m?t l?p m? v?ng vi m? ? m?t d??i ti?p x?c ?? ch?ng oxy h?a v? duy tr? ?? d?n ?i?n 0.05Ω.
• L?c k?ch ho?t (Actuation Force): ???c thi?t k? chu?n x?c ? m?c $1.2 N ± 0.2 N$, mang l?i ph?n h?i x?c gi?c "t?ch" gi?n gi? v? d?t kho?t khi ng??i d?ng nh?n ph?m.

1.2. S? T?ch H?p ?a Nhi?m: Nguy C? "M?t H?ng - K?o Theo C? C?m"

C?m c?p b? Side Button tr?n Apple Watch SE 2023 kh?ng n?m ??c l?p m? t?ch h?p chung tr?n c?ng m?t d?i FPC v?i:

• C?m bi?n g?c xoay Digital Crown: C?m bi?n quang - t? t?nh ??c xung quay encoder c?a n?m xoay.
• Ch?n ti?p x?c ??ng c? rung Taptic Engine: D?n xung ?i?u khi?n ph?n h?i rung haptic.
• C?m Microphone thu ?m ??m tho?i: Micro vi c? ?i?n t? (MEMS Microphone) t?ch h?p m?ng l?c ?m ch?ng ?n n?m ngay s?t c?nh n?t ngu?n.
• L?u ? chuy?n m?n: N?u k? thu?t vi?n thi?u kinh nghi?m can thi?p th? b?o ho?c d?ng h?a ch?t r? keo tr?n v?o khu v?c n?y, micro s? b? t?c m?ng rung g?y ?i?c ?m tho?i ho?c c?m bi?n Digital Crown b? lo?n b??c nh?y.

2. C?c Pan B?nh ?i?n H?nh & C? Ch? H? H?ng Th?c T?

T?i ph?ng kh?m vi m?ch VietITPro, ch?ng t?i ph?n lo?i h? h?ng n?t ngu?n Apple Watch SE 2023 th?nh 3 nh?m nguy?n nh?n ch?nh:

+-----------------------------------------------------------------------------------------+
|                B?NG PH?N T?CH PAN B?NH PH?M NGU?N APPLE WATCH SE 2023                   |
+--------------------+-----------------------+--------------------+-----------------------+
| Hi?n t??ng l?i     | C? ch? v?t l?         | R?i ro ph?n c?ng   | Ph??ng ?n x? l?       |
+--------------------+-----------------------+--------------------+-----------------------+
| K?t c?ng, kh?ng n?y| M? h?i mu?i ?n m?n O-ring| R? s?t l? v?m kim lo?i| Thay c?p b? Side Button|
| Bootloop treo T?o  | ?o?n m?ch ti?p ?i?m GND| Treo vi x? l? SiP S8| Thay c?p + Reset SMC  |
| Ph?m th?t l?n s?u  | Cong v?nh bracket nh?m| C?n n?t m?n h?nh OLED| N?n khung + Thay ph?m |
| B?m ch?p ch?n      | ??t g?y ???ng m?ch FPC| M?t ngu?n ??t ng?t | Thay c?m c?p b? Zin   |
+--------------------+-----------------------+--------------------+-----------------------+

2.1. Hi?n T??ng ?n M?n ?i?n H?a (Galvanic Corrosion) Do M? H?i & N??c Bi?n

Ng??i d?ng th??ng ?eo Apple Watch khi t?p luy?n th? thao c??ng ?? cao (ch?y b?, b?i l?i, gym). M? h?i ch?a h?m l??ng mu?i $NaCl$ cao k?t h?p v?i h?i ?m th?m th?u qua gio?ng cao su O-ring ?? b? l?o h?a theo th?i gian.

• D??i t?c d?ng c?a ?i?n ?p c?p tr??c 1.8V tr?n ???ng t?n hi?u BUTTON_SIDE_L, ph?n ?ng ?i?n ph?n x?y ra l?m oxy h?a b? m?t m? v?ng c?a v?m n?y kim lo?i, t?o th?nh mu?i ??ng m?u xanh l?c (Copper Carbonate) b?m ch?t b?n trong.
• H?u qu?: N?t b?m b? k?t c?ng, m?t ho?n to?n ?? n?y ho?c ti?p x?c ch?p ch?n, b?m 10 l?n ch? ?n 1-2 l?n.

2.2. Pan B?nh Kinh ?i?n: "Treo Logo T?o Nh?p Nh?y (Bootloop)"

R?t nhi?u kh?ch h?ng mang Apple Watch SE 2023 ??n trung t?m trong t?nh tr?ng: ??ng h? t? kh?i ??ng, hi?n logo qu? T?o ???c 5-10 gi?y r?i t?t ng?t, sau ?? l?i t? l?n t?o v? l?p l?i li?n t?c cho ??n khi c?n ki?t pin.

• B?n ch?t k? thu?t: Do ti?p ?i?m kim lo?i c?a n?t ngu?n b? d?nh ch?t v?o nhau (Short to GND do r? s?t ho?c k?t c? h?c). Chip x? l? Apple S8 li?n t?c nh?n t?n hi?u m?c th?p LOW (t??ng ???ng v?i vi?c c? ng??i ?ang nh?n gi? n?t ngu?n li?n t?c). Khi m?y kh?i ??ng l?n, n? hi?u nh?m l? l?nh bu?c t?t ngu?n kh?n c?p (Hard Reset), d?n ??n v?ng l?p kh?i ??ng v? t?n (Power Loop).
• Nhi?u n?i ch?n ?o?n sai pan n?y l? "l?i ? c?ng flash" ho?c "ch?t chip ngu?n SiP" v? b?o gi? thay mainboard r?t ??t ??, trong khi th?c t? ch? c?n thay th? c?m c?p b? n?t ngu?n ch?nh h?ng l? m?y ho?t ??ng ho?n h?o.

2.3. Bi?n D?ng Khung Bracket Do R?i R?t Va ??p

Khi Apple Watch b? r?i t? tr?n cao ho?c va ??p c?nh b?n v?o g?c b?n c?ng, l?c t?c ??ng l?m m?p m?o ph?n r?nh nh?m ch?a ph?m s??n, ?p ch?t ph?m v?t l? v?o khung v? khi?n ph?m kh?ng th? ??n h?i tr? l?i v? tr? ban ??u.

3. Quy Tr?nh Thay Th? C?m C?p N?t Ngu?n Chu?n Ph?ng Lab VietITPro

Vi?c th?o m? v? s?a ch?a Apple Watch SE 2023 ??i h?i ?? t? m? c?c cao v? kh?ng gian b?n trong khung v? 40mm/44mm l? si?u nh?, m?t ?? linh ki?n d?y ??c.

+------------------------------------------------------------------------------------+
|            QUY TR?NH THAY N?T NGU?N APPLE WATCH SE 2023 CHU?N PH?NG LAB            |
+------------------------------------------------------------------------------------+
| [B??c 1] Gia nhi?t r? keo vi?n m?n h?nh tr?n b?n nhi?t k? thu?t s? 75?C           |
|       v                                                                            |
| [B??c 2] T?ch m?p m?n h?nh Retina OLED b?ng dao vi ph?u 0.05mm & C?n h?u c?        |
|       v                                                                            |
| [B??c 3] M? g?c 45?, th?o n?p b?o v? & C?CH LY NGU?N PIN LITHIUM NGAY L?P T?C      |
|       v                                                                            |
| [B??c 4] Th?o socket c?p m?n h?nh, c?m ?ng Force Touch & C?m Taptic Engine         |
|       v                                                                            |
| [B??c 5] B?c t?ch c?m c?p b? Side Button h?ng d??i k?nh hi?n vi quang h?c          |
|       v                                                                            |
| [B??c 6] L?p ??t c?m c?p b? ph?m Zin m?i 100%, c?n ch?nh l?c n?y 1.2N              |
|       v                                                                            |
| [B??c 7] V? sinh r?nh khung v? & D?n ron cao su ??c nhi?t kh?ng n??c m?i           |
|       v                                                                            |
| [B??c 8] ?p m?n h?nh b?ng khu?n k?p ?p l?c & Test ?? k?n kh? bu?ng ch?n kh?ng      |
+------------------------------------------------------------------------------------+

B??c 1: Gia nhi?t l?m m?m keo vi?n m?n h?nh OLED

• ??t Apple Watch l?n b?n nhi?t ?i?u khi?n k? thu?t s? ? m?c nhi?t ?? chu?n 75?C trong 3 - 5 ph?t.
• Y?u c?u k? thu?t: Tuy?t ??i kh?ng ?? nhi?t ?? v??t qu? 80?C v? s? l?m ch?y l?p ph?n c?c (Polarizer) v? g?y ? v?ng t?m n?n Retina OLED si?u m?ng.

B??c 2: T?ch m?p m?n h?nh & Ng?t k?t n?i ngu?n pin

• D?ng l??i dao th?p vi ph?u ?? d?y ch? 0.05mm k?t h?p vi l??ng dung d?ch r? keo h?u c? chuy?n d?ng ?? c?t ??t l?p keo ron vi?n xung quanh bezel.
• Nh? nh?ng n?ng m?n h?nh l?n m?t g?c t?i ?a 45 ?? (kh?ng nh?c b?ng v? c?p hi?n th? v? c?p c?m ?ng r?t ng?n, gi?t m?nh s? ??t socket tr?n bo m?ch SiP).
• Thao t?c an to?n: Th?o ?c n?p b?o v? pin b?ng tua v?t 3 c?nh Tri-Point Y000, d?ng que n?y nh?a g?t socket pin ra kh?i bo m?ch ch? ?? ng?t to?n b? ?i?n ?p ho?t ??ng.

B??c 3: Th?o g? Taptic Engine & Ti?p c?n c?m c?p Side Button

• Th?o ?c c? ??nh ??ng c? rung Taptic Engine v? nh?c c?m rung ra ngo?i.
• D??i k?nh hi?n vi quang h?c, k? s? th?o c?c ?c v?t si?u nh? (Torx T2) gi? khung kim lo?i ??nh v? (Metal Bracket) c?a ph?m Side Button.
• D?ng dung d?ch h?a tan keo b?c d?i c?p b? FPC c? ra kh?i th?nh trong c?a khung nh?m.

B??c 4: V? sinh ph?m b?m ngo?i & L?p c?m c?p b? Zin m?i

• Th?o ph?m b?m nh?m b?n ngo?i, c?o s?ch ho?n to?n c?n mu?i m? h?i v? ??t c?t k?t trong r?nh ph?m. Tra m? b?i tr?n silicon chuy?n d?ng ch?ng th?m n??c cho gio?ng O-ring c?a n?t b?m.
• ??t c?m c?p b? Side Button Zin m?i 100% v?o v? tr?, c?n ch?nh sao cho t?m v?m n?y kim lo?i kh?p ch?nh x?c 100% v?i tr?c ??y c?a ph?m b?m ngo?i.
• Si?t ?c ??nh v? bracket, nh?n th? ph?m c? h?c ?? ki?m tra ?? n?y x?c gi?c (Tactile Click) ??t chu?n l?c 1.2N.

4. K? Thu?t B?o To?n Microphone & T?i L?p Chu?n Kh?ng N??c 50 M?t (ISO 22810:2010)

Hai y?u t? ph?n bi?t ch?t l??ng s?a ch?a t?i VietITPro v?i c?c c? s? tr?i n?i b?n ngo?i l?: B?o v? to?n v?n c?m Micro v? Kh?i ph?c kh? n?ng ch?ng n??c chu?n m?c.

+-----------------------------------------------------------------------------+
|               C? CH? T?I L?P CHU?N KH?NG N??C APPLE WATCH                   |
+-----------------------------------------------------------------------------+
   R?nh Bezel Khung V? Nh?m (?? l?m s?ch 100% keo c?)
         |
         v
   [Ron Cao Su ??c Khu?n Pre-Cut Gasket] (Kh?p chu?n 100% bi?n d?ng v?)
         |
         +-----> B? sung vi l??ng keo d?o ??n h?i ?p l?c cao T-7000 t?i 4 g?c
         |
         v
   [C?m M?n H?nh Retina OLED] (?p ch?t b?ng khu?n k?p ?p l?c 30 ph?t)
         |
         v
   [Ki?m Tra Bu?ng ?p Su?t Ch?n Kh?ng (Vacuum Seal Leak Detector)]
   ===> ??t chu?n ch?ng th?m n??c ?? s?u 50m (ISO 22810:2010)

4.1. K? Thu?t C?ch Ly B?o V? M?ng Microphone MEMS

• Microphone ??m tho?i n?m c?ch n?t ngu?n ch? ch?a ??y 2mm. N?u dung d?ch v? sinh ho?c keo d?n l?t v?o l? mic, m?ng rung nano b?n trong s? b? ??ng c?ng, d?n ??n t?nh tr?ng micro b? ngh?t ti?ng ho?c Siri kh?ng nh?n l?nh tho?i.
• K? s? VietITPro lu?n s? d?ng mi?ng d?n polyimide c?ch ly l? mic chuy?n d?ng tr??c khi v? sinh v? d?n keo vi?n.

4.2. Kh?i Ph?c Ron Kh?ng N??c ?p L?c Cao (Water-Resistant Seal)

• Sau khi thay th? linh ki?n, k? s? c?o s?ch 100% t?n d? keo c? b?m tr?n r?nh khung nh?m b?ng ch?i ??ng si?u m?m.
• S? d?ng Ron cao su ??c nhi?t chuy?n d?ng (Pre-cut Adhesive Gasket) c? bi?n d?ng c?t laser ch?nh x?c theo khung v? 40mm/44mm c?a Apple Watch SE 2023.
• ??t m?y v?o b? khu?n k?p n?n ?p l?c chuy?n d?ng trong 30 ph?t ?? keo li?n k?t ho?n to?n ? c?p ?? ph?n t?.
• ??a m?y v?o m?y ki?m tra ?? k?n kh? bu?ng ?p su?t ch?n kh?ng (Vacuum Leak Tester). Thi?t b? ch? ???c xu?t x??ng khi v??t qua b?i ki?m tra ?p su?t t??ng ???ng ?? s?u 50 m?t theo ti?u chu?n qu?c t? ISO 22810:2010.

5. B?ng So S?nh C?p B? N?t Ngu?n Zin Ch?nh H?ng vs Linh Ki?n K?m Ch?t L??ng

+-----------------------------------------------------------------------------------------+
|                SO S?NH C?M C?P N?T NGU?N APPLE WATCH SE 2023                            |
+----------------------+---------------------------------+--------------------------------+
| Ti?u ch?             | C?p B? Zin Ch?nh H?ng (VietITPro)| C?p Linh Ki?n L? / Gi? R?      |
+----------------------+---------------------------------+--------------------------------+
| V?m n?y kim lo?i     | Th?p kh?ng g? m? v?ng vi m?     | L? s?t th??ng m? k?m m?ng      |
| C?m gi?c b?m         | N?y gi?n, d?t kho?t, l?c 1.2N   | C?ng ng?c ho?c b?m l?n kh?ng n?y|
| T?ch h?p Micro       | ?m thanh HD trong tr?o, l?c ?n  | ?m thanh r?, ngh?t, v?ng ti?ng |
| ?? b?n ti?p x?c      | > 500.000 l?n b?m               | < 20.000 l?n b?m (d? k?t l?i)  |
| Kh?ng oxy h?a m? h?i | L?p m?ng nano ch?ng n??c mu?i   | Kh?ng c? b?o v?, r? s?t nhanh  |
+----------------------+---------------------------------+--------------------------------+

6. L?i K?t T? K? S? Tr??ng VietITPro

Thay n?t ngu?n Apple Watch Series SE 2023 kh?ng ??n gi?n l? th?o l?p c? kh? m? l? m?t ca ph?u thu?t vi m?ch tinh x?o ??i h?i k? thu?t cao, d?ng c? chuy?n d?ng v? linh ki?n chu?n zin 100%. ??ng ?? chi?c ??ng h? th?ng minh cao c?p c?a b?n b? m?t kh? n?ng ch?ng n??c hay h?ng c?m micro ch? v? s?a ch?a t?i nh?ng n?i thi?u kinh nghi?m. H?y ??n v?i Ph?ng Lab K? Thu?t VietITPro ?? thi?t b? c?a b?n ???c ch?m s?c chu?n x?c, an to?n v? b?n b? nh?t!