维修Switch 中文完整

How

to

repair

nintendo

switchTroubleshootingfixmyappResearchI

m

a

g

e

s

o

u

r

c

e

:

i

f

i

x

i

t

.

c

o

m/@fixmyappjimNintendo

switch

–

Front

architecture

diagram5Battery

connector6Speaker

connectorSpeaker

connector107Joy-conconnector4BQ24193single

cellbattery

charger1USB-CConnnector2BM92T36PowerDelivery

Chip8Samsung

K4F6E304HB-MGCH2

GBLPDDR4

DRAM(x2

for

a

total

of

4

GB)NVIDIA

Tegra

X1

SoC249MAX77621AEWI+Tthree

phase

buckregulator

(x2)11TMP451remote/local

temperature

sensor12Joy-con

connector13LCD

backlightconnector14SD

card

readerconnector15WiFI

antenna

connector16BCM4356

WiFi

&

BluetoothSoC17Bluetooth

antenna

connector18LCD

driver19LCD

connector20eMMC

/

NANDconnector21Power

/

Volumeconnector22Cooling

fanconnector23Gamecard

/

Touchpanelconnector24VBATVBUSVBATTEMPSENSORVBUS

5v/15V3USB

VCC

toVBUSVSYS

(4.2V)CrystalOscillatorFuseWater

indicatorDc-DC

convertormax

5VTREYResearchfixmyappResearch/@fixmyappjim2Nintendo

switch

–

Back

architecture

diagram3fixmyapp2PI3USB30532USB3.0/DP1.2

matrix

switch3Realtek

ALC5639audio

codec9BH1603FVCambient

light

sensor8MAX17050battery

fuel

gauge5MAX77620

VCore

regulator11HAC

STD

T1001216Anti-Piracy

IC6LSM6DS3H

3-axisaccelerometer/gyroscope4EN

chip3.3V

regulatorIf

there

are

shorts

on

the

3.3V

rail

(the

P13USB,

the

MT92T36)

orthe

MAX77620

is

faulty,

or

the

eMMC

is

dead,

or

the

second-stageregulators

are

faulty

(MAX77621

or

MAX77812),

then

you

will

notget

tosecond-stage

boot.+3.3VVSYS+4.2V

fromBQ241931Data

line

filtersforPI3USB30532Handshake

joy-conICLCD

backlight

driver710TREYResearchResearch/@fixmyappjim如果3.3V导轨上存在短路（P13USB、MT92T36)或MAX77620故障，或eMMC死亡，或第二级调节器故障（MAX77621或MAX77812），则您将无法进入第二级启动。Nintendo

switch

–

IC’s

uniquely

paired

together

during

themanufacturing

process.4fixmyappNVIDIA

Tegra

X1

SoCHAC

STD

T1001216Anti-Piracy

ICeMMCIf

one

of

these

IC’s

is

damaged

then

it

is

gameoveryou

have

a

donor

motherboard/@fixmyappjimTREYResearchResearchTREYResearch5fixmyapp0.49O.L.O.L.0.470.740.740.70O.L.O.L.0.47DIODE

MEASUREMENTSFirst

check

all

pin’s

are

not

shorted,

then

measure

all

pinstothe

correct

pad.

If

there

is

a

signal

that

is

incorrect

thenyouhave

to

remove/

replace

the

USB

port

before

proceedingand

analysing

the

NintendoSwitchFuseA1A120.49首先检查所有的引脚没有短路，然后测量所有的引脚到正确的衬垫上。如果有一个不正确的信号，那么你必须删除/更换USB端口之前，再继续和分析任天堂开关TREYResearch6fixmyappDIODE

MEASUREMENTS0.70O.L.O.L.O.L.O.L.TREYResearch7fixmyappCheck

pins

on

LCD

connectorBad

/

shortedpinsGoodpins/@fixmyappjimMAX77620Voltage

regulator

(Vcore)8fixmyapp0.5290.4100.3490.5500.5570.6750.6210.6720.6230.5600.6900.4950.0000.5120.3890.4530.5280.4950.4970.0000.5230.5230.5180.5180.4740.5170.3310.4730.4940.3500.6570.5890.6580.6650.5900.6570.0000.4750.5100.516DIODE

MEASUREMENTMeasure

all

caps

for

shortsShort

on

this

capacitor

can

meanthat

the

PI3USB30532

IC

can

befaultyShort

on

this

capacitorafterTREYResearchResearchremoving

M92T36

ICCould

be

a

faulty

SoC

chip,

then

it

isnot

fixableM92T36The

M92T36

is

a

power

managementIC

(integrated

circuit)

used

in

theNintendo

Switch

console.

It

isresponsible

for

regulating

powersupply

and

chargingfunctions.The

M92T36

hasbeen

known

todevelop

faults

or

failures

insomeNintendo

Switch

units,

leading

toissues

such

as

charging

problems,battery

drain,

or

power-related

issues./@fixmyappjimM92T36是在任天堂开关控制台中使用的电源管理IC（集成电路）。它负责调节供电和充电功能。众所周知，M92T36在一些任天堂

Switch设备中出现故障，导致充电、电池耗尽或电源相关问题。MAX77620Voltage

regulator

(Vcore)9fixmyapp0.7000.7000.3900.390O.L

O.L0.3900.3900.3900.3900.3900.390O.L

O.LO.L

O.LO.L

O.L0.4020.4020.7000.7000.0000.7060.7000.4000.4000.4000.4000.4000.0000.0000.0000.0000.4000.5600.6260.6290.5540.0000.4000.0000.0000.4000.4000.0000.0000.5560.5600.6260.0000.6290.3060.3060.3900.3900.4000.3900.3900.4000.3900.3900.4000.3900.4000.3900.7000.7000.7060.0000.3600.3600.0000.7000.5540.2900.3060.

4000.4170.4180.4000.4500.4200.4000.3360.3360.4000.556DIODE

MEASUREMENTMeasure

filters,

there

only

canbeTREYResearchResearchcontinuity

between

pads

inline

ofeachotherShort

on

this

capacitorafterremoving

PI3USB

ICCould

be

a

faulty

SoC

chip,

then

it

isnotfixablePI3USBThe

PI3USB3

could

potentiallyserveas

a

USB

switch

to

handleUSBdataand

power

connections

betweendifferent

components

oftheconsole.This

could

involve

routing

USBsignals

between

the

console's

USB-C

port,

internal

circuitry,

andpossibly

external

accessories

orthedocking

station./@fixmyappjimPI3USB3可能可以作为一个USB交换机来处理USB数据和控制台不同组件之间的电源连接。这可能涉及到在控制台的USBC端口、内部电路以及可能的外部附件或对接站之间路由USB信号。MAX77620Voltage

regulator

(Vcore)BQ24193V10GNDGNDSWSWVBUSVBUSVBAT

=

3.0

–

4.2VVSYS

=4.2VVBUS

=

5V/15V0.4790.5560.4790.4470.5910.3360.3360.4870.5930.5520.4070.3890.337BAT0.337BAT0.335SYS0.335SYS0.0000.0000.4790.1170.4520.4930.5460.465RESISTANCE

MEASUREMENTDIODE

MEASUREMENTMeasure

all

caps

forshortsShort

on

this

cap

can

mean

that

astage

2

voltage

regulatorcan

beTREYResearchfixmyappResearch10faultycontrolled

manner.One

of

the

notable

functions

of

theBQ24193

is

its

ability

to

provide

acharging

profile

that

is

optimized

for

the

battery

used

in

the

NintendoSwitch.

It

supports

various

chargingmodes,

including

pre-conditioning,constant

current

charging,

andBcQo2n4s1t9a3n的t

v一olt个ag显e

著ch功arg能in是g,，en它su能ring够th为at任th天e

b堂attery

is

charged

in

aSwitch中使用的电池提供优化的充电配置。支持多种充电模式，包括预处理、恒流充电、恒压充电等，确保电池以可控充电。BQ24193TREYResearchfixmyappResearch/@fixmyappjim11MAX77620Voltage

regulator

(Vcore)This

voltage

regulator

is

responsible

for

generating

the

most

important

voltages

to

core

component:

Vcore,

Vmemand

other

components.

It

will

send

an

enable

signal

to

the

second

stage

voltageregulators

MAX77621该调压器负责产生最重要的电压到核心组件：Vcore，Vmem和其他组件。它将向第二级调压器

MAX77621发送一个使能信号TREYResearchfixmyappResearch/@fixmyappjim12TREYResearchMAX77620Voltage

regulator

(Vcore)13fixmyappResearchMAX77620Voltageregulator(Vcore)1

-

bootV6

=

1.05VV1V1V1V1V2V2V2V3V3V3V3V4V4V4V4V5V5V5V5V5V5V6V6V5V7V8V9V10V10V11V12V131

+

2-

bootV1

=

1.8VV2

=

1.3VV3

=

1.0VV4

=

1.1VV7

=

1.05VV9

=

3.3V

(input)V10

=

1.0V2-

bootV8

=

3.3VV11

=

2,9VV12

=

1.3VV13

=1.05VAlways

presentV5

=

VSYS

=

4,2V0.3520.3520.3370.4730.00043.2

ohm0.1290.2630.3370.5380.3980.585

0.2570.3090.5070.2543

kohm+

60

kohm946

ohm2.8kohm+

50

kohm10

kohm18

kohm29

kohm26

kohm1.5kohm+

kohm

/O.L.+

kohm

/O.L.RESISTANCE

MEASUREMENTDIODE

MEASUREMENTMeasure

all

components

for

shortsSource:https://www.

retrosix.wikiMAX77620Voltage

regulator

(Vcore)fixmyappMAX77621AEWI0.0000.0000.1240.1240.3370.3370.0000.0000.0000.1240.1240.0000.1240.1240.1240.3370.1240.1240.3530.3440.0000.000253

ohm253

ohm253

ohm253

ohm253

ohm253

ohmRESISTANCE

MEASUREMENTDIODE

MEASUREMENTIf

eMMC

is

not

working,

thenthisvoltage

regulator

will

not

turn

onas

this

is

a

second

stage

voltageOUTPUT

=

0,8VINPUT

=

VSYS

=

4.2VENABLE

signal

trace1Measure

all

caps

for

shortsTREYResearch/@fixmyappjim14Researchreg如ul果atoerM.MC不工作，那么该电压调节器将不会打开，因为这是一个第二级电压调节器。Lowimpedance

power

rails

candeliverpower

to

the

CPU/GPU

withminimalresistance.

When

measuring

capacitorsin

diodemode

willgive

a

beep

butremember

the

resistance

is

LOWmeasure

itwith

a

OHM

meter.低阻抗电源轨道可以以最小的电阻向

CPU/GPU提供电源。当在二极管模式下测量电容器时，会发出哔哔声，但记住电阻很低，用欧姆仪测量。You

can

solder

a

wire

with

amax

voltage

of

+1V

to

test

for

shorts您可以焊接最大电压+1V的电线来测试短路MAX77620Voltage

regulator

(Vcore)fixmyappMAX77621AEWI0.0000.0000.0000.0000.0000.00055

ohm55ohm55

ohm55

ohm55

ohm55

ohm0.0000.0000.0000.3340.3340.0000.0000.00055

ohm0.0000.3360.0000.0000.3510.342RESISTANCE

MEASUREMENTDIODE

MEASUREMENTOUTPUT

0,8VINPUT

=

VSYS

=

4.2VMeasure

all

caps

for

shortsTREYResearch/@fixmyappjim15ResearchIf

eMMC

is

not

working,

thenthisvoltage

regulator

will

not

turn

on

asthis

is

a

secondstage

voltageregulator.如果eMMC不工作，那么该电压调节器将不会打开，因为这是一个第二级电压调节器。MAX77621AEWIIf

eMMC

is

not

working,

thenthisvoltage

regulator

will

not

turn

on

asthis

is

a

secondstage

voltageregulator.TREYResearchfixmyappResearch/@fixmyappjim16MAX77620Voltage

regulator

(Vcore)17fixmyappEN4A3.3Voltageregulator0.3730.3730.5750.3510.3360.0000.3960.3690.3690.3720.000+

kohm

/O.L.19

kohm+

kohm

/O.L.+

kohm

/O.L.51

kohm+

kohm

/O.L.RESISTANCE

MEASUREMENTDIODE

MEASUREMENTVSYS

=4.2VTREYResearchResearchOUT:

3.3VIf

the

power

rail

3.3V

is

shorted,

thenyou

can

inject

1V

by

soldering

a

wire

tothe

capacitor

and

check

whichcomponent

is

shorted

on

thepowerrail

by

using

a

thermal

camera

orisopropyl

alcohol.如果电源轨道3.3V短路，那么你可以通过将一根电线焊接到电容器上来注入1V，并使用热敏摄像机或异丙醇检查电源轨道上的哪个部件短路。MAX77620Voltage

regulator

(Vcore)18fixmyapp0.663

0.663

0.667

0.667

1.48TREYResearchResearch0.4960.5390.5360.3381.6400.0000.000DIODE

MEASUREMENT/@fixmyappjimLCDdriverThe

LCD

driver

in

the

NintendoSwitch

is

responsible

forcontrolling

the

display

on

theconsole's

screen.任天堂Switch中的液晶驱动程序负责控制控制台屏幕上的显示。MAX77620Voltage

regulator

(Vcore)19fixmyappRealtekALC5639audiocodecTREYResearchResearch0.4690.4680.4680.4680.5840.5840.5840.5841.7502.1442.1770.0000.4700.3370.5530.5840.6850.6830.6580.0000.0000.3730.3550.3520.4670.4700.3370.4800.4860.3730.4440.4870.4870.4040.4040.4870.3430.3600.3772.1202.1242.0200.3220.3212.0200.0000.3730.360DIODE

MEASUREMENTALC5639

is

responsibleforconverting

digital

audio

signalsfrom

the

console's

internal

audioprocessing

unit

into

analogaudiosignals

for

output

through

thebuilt-in

speakers

orheadphonejack.

It

might

also

provide

audioinput

capabilities

for

features

likevoice

chat

or

microphonesupport.ALC5639负责将来自控制台内部音频处理单元的数字音频信号转换为模拟音频信号，并通过内置的扬声器或耳机插孔进行输出。它还可能为语音聊天或麦克风支持等功能提供音频输入功能。Nintendo

switch

–

Battery

charging

testConnect

batteryConnect

USB-C

current

meterCharging

voltage

is

15V,

this

means

that

the

power

delivery

requestwith

MT92T36

IC

is

working

so

we

can

assumethe

IC

isok.Charging

current.

Battery

is

full

then

thechargingcurrent

goesdown.

When

the

Battery

is

empty

then

the

charging

currentwill

below

after

a

while

the

charging

current

will

go

up

to

1

Amp.fixmyapp12341.连接电池2。连接USB-C电流表3。充电电压为15V，这意味着MT92T36

IC的供电请求正在工作，因此我们可以假设IC正常。4。充电电流。电池充满电，然后充电电流下降。当电池为空时，充电电流将较低，一段时间后，充电电流将达到1安培。TREYResearch/@fixmyappjim20ResearchWhen

you

see

a

currentis

drawn

then

you

can

assumethe

BQ24193

ICis

working.当您看到电流被绘制时，您可以假定BQ24193

IC正在工作TREYResearchNintendo

switch

–

First

stage

boot

–Test

no

shortsVSYS

=

4.2VRemove

batterySolder

red

wire

to

coil

(VSYS)Solder

black

wire

to

ground

pointSet

lab

power

supply

to4.2VCurrentdraw

shouldbebetween

0.001A

to

0.005A(1

to

5mA)

ampere.Jump

the

power

connectorto

start

boot

sequenceCurrent

draw

should

be

+-

200

mAThis

is

good

as

the

console

is

stuck

at

first

stage

boot

because

there

is1234h

t

t

p

s

:

/

/

w

w

w.

ret

ro

s

i

x

.

w

i

k

i6S

o

u

r

c

e

:/@fixmyappjimCheck

with

multimeter

that

thepowerrail

VSYS

is

not

shorted

to

ground!用万用表检查动力导轨VSYS是否没有对接地短路！1.拆卸电池2。焊丝至红色线圈（VSYS）3。焊接好的黑色电线到接点4。将实验室电源设置为4.2V5。电流电流应在0.001A至0.005A

(1至5

mA）安培之间。6.跳转电源连接器以启动引导序列7。电流电流应为+-200

mAno

battery

connected.

这是很好的，因为控制台卡在第一阶段启动，因为没有电池连接。TREYResearchNintendo

switch

–

Second

stage

boot

–

Fake

battery

connectedVBAT

=4.2VWhen

there

is

no

second

stage

boot

the

following

could

be

wrong:Vcorevoltage

regulatorsis

missingpowerrailsSecond

stage

voltage

regulatorsnotcreating

the

powerrails(shorts)eMMC

module

could

be

defect

or

software

corruption(not

repairable)RAM

defect123465h

t

t

p

s

:

/

/

w

w

w.

ret

ro

s

i

x

.

w

i

k

iShotutrpc

es::///@fixmyappjimRemove

batterySolder

red

wire

to

pad

(VBAT)Solder

black

wire

to

ground

pointSolder

10k

resistorto

fake

the

console

that

a

battery

is

connected.

1.拆卸电池Set

lab

power

supply

to4.2VJump

the

power

connector

to

start

boot

sequenceFirst

stage

boot

Current

draw

should

be

+-

200

mASecond

stage

bootCurrent

draw

should

be

+-

400

mA2。焊丝焊垫（VBAT）3。焊接好的黑色电线到接点4。焊接10k电阻，假装控制台的电池连接。5.将实验室电源设置为4.2V6。跳转电源连接器以启动引导序列7。第一级启动电流绘制应该是+-200

mA8。第二阶段启动电流绘制应为+-400

mA当没有第二阶段启动时，以下情况可能是错误的：1。Vcore电压调压器缺少动力导轨2。未产生电源短路（短路）3.eMMC模块可能存在缺陷或软件损坏（不可修复）4。RAM缺陷PI3USB

or

MT92T36ic’s

are

not

important

to

boot

the

consolePI3USB或MT92T36ic对启动控制台并不重要TREYResearchCurrent

draw

diagnostic

tableVBAT

=4.2V12345S

o

u

r

c

e

:h

t

t

p

s

:

/

/

w

w

w.

ret

ro

s

i

x

.

w

i

k

i/@fixmyappjimRemove

batterySolder

red

wire

to

pad

(VBAT)Solder

black

wire

to

ground

pointSolder

10k

resistor

to

fake

the

consolethat

a

battery

is

connected.Set

lab

power

supply

to4.2VJump

the

power

connectorto

start

boot

sequence1.拆卸电池2。焊丝焊垫（VBAT）3。焊接好的黑色电线到接点4。焊接10k电阻，假装控制台的电池连接。5.将实验室电源设置为4.2V6。跳转电源连接器以启动启动顺序Cause1nd

-

boot2nd

-

bootSleep6ShortMax

current.--Working+-200mA400

–

500mA+-

8mALCD

/

Backlight

driverdefect+-200mA400

–

500mA+-

8mAeMMC

/CPU

/RAMdefect+-200mA--MAX77621

defect+-100mA--M92T36

defect+-200mA300

–

700mA(boot300-700mA（引导循环在loop

between

300–300-700mA之间，

然70后0

m回A到and

thenbackto

200m

200mA)A)-24fixmyappTroubleshootingeMMCorShortwitchTegraRCMsoftware1235Connect

batteryConnect

LCDConnect

Backlight

LCDUse

the

RCM

mode

of

the

Nintendo

Switch

to

diagnose

/narrowing

down

problem

area

by

using

Tegra

RCM

software.Download

Tegra

RCM

softwareInstall

Tegra

RCMConnectUSB-C

cable

tothecomputerYou

will

get

one

of

the

picturesbelowThis

means

the

Nintendo

switch

isin

a

recovery

mode

becauseitcan’t

read

the

eMMCTREYResearchResearchPossible

cause:Bad

eMMC

moduleBad

M92T36ICThis

means

there

can

be

an

shortor

component

that

is

badPossible

cause:Short

on

motherboardDefect

IC

(M92T36,

PI3USB,BQ24193,

MAX

IC

etc)/@fixmyappjimBlue

Screen

of

Death

(BLOD)25fixmyappNVIDIA

Tegra

X1

SoC2

GBLPDDR4

DRAMeMMC/@fixmyappjimTREYResearchResearchBlue

Screen

of

Death

(BLOD)2

GBLPDDR4

DRAMTREYResearchfixmyappResearchNVIDIA

Tegra

X1

SoC26Orange

Screen

of

DeathBCM4356

WiFi

&

BluetoothTREYResearchfixmyappResearch/@fixmyappjim27If

the

Wi-Fi

and

Bluetooth

functionality

isnot

working

on

aNintendo

Switchyoucan

get

a

orange

screen

of

death.Replace

or

reflow

the

WiFi

IC.MAX77620Voltage

regulator

(Vcore)WiFi/

BluetoothcommunicationproblemsTREYResearchfixmyappResearch28BCM4356

WiFi

&

BluetoothIf

the

Wi-Fi

and

Bluetooth

functionality

isnot

workingon

aNintendo

Switch,

it

ispossible

that

the

underlying

issue

lieswith

the

wireless

communicationchip.The

Nintendo

Switch

uses

acombinedWi-Fi

and

Bluetooth

chip

for

wirelessconnectivity.WiFi/

BluetoothcommunicationproblemsBCM4356

WiFi

&

BluetoothIf

the

Wi-Fi

and

Bluetooth

functionality

isnot

workingon

aNintendo

Switch,

it

ispossible

that

the

underlying

issue

lieswith

the

wireless

communicationchip.The

Nintendo

Switch

uses

acombinedWi-Fi

and

Bluetooth

chip

for

wirelessconnectivity.TREYResearchfixmyappResearch/@fixmyappjim2930fixmyappTouchscreenV1/

V2If

the

touchscreen

is

not

working

beaware

that

you

have

toget

therightversion.Check

the

old

touchscreen

if

there

is

noQR

code

then

youneed

aversion

1touchscreen.If

you

bought

the

wrong

version

thetouchscreen

wil

behave

strange./@fixmyappjimTREYResearchResearchMAX77620Voltage

regulator

(Vcore)Joy-conconnectornearbybatteryconnector0.000O.L.0.664DIODE

MEASUREMENT0.000O.L.0.6630.5000.6580.0000.5100.0000.0000.5000.0001.7320.49710

kohm47

kohmTREYResearchfixmyappResearch31+

30

kohm10

kohmRESISTANCE

MEASUREMENT32

kohmMAX77620Voltage

regulator

(Vcore)Joy-conconnector(left)Back-lightconnector(right)O.L.0.5580.000DIODE

MEASUREMENT0.660

0.0000.5160.5450.5000.0000.0000.665O.L.0.0000.000

0.54030

kohmRESISTANCE

MEASUREMENT+

30

kohm+

20

kohm10

kohm+

30

kohm+

30

kohmTREYResearchfixmyappResearch32MAX77620Voltage

regulator

(Vcore)SD-CardconnectorTREYResearchfixmyappResearch330.485DIODE

MEASUREMENT0.4820.0000.4800.0000.0000.0000.488RESISTANCE

MEASUREMENT47

kohm0.0000.0000.5890.0000.5890.4800.4860.493+

60

kohm40

kohm60kohm30

kohm10

kohm10

kohm+

65

kohm+

37

kohmMAX77620Voltage

regulator

(Vcore)LCDconnectorDIODE

MEASUREMENTRESISTANCE

MEASUREMENTO.L.O.L.O.L.O