Dell 21N21E2 service manual E4B, 4CBD, Q8C, Tqm Szp

D

C

B

A

:

9

8

7

M

Rm_Y5r_ UR5OTm_YM

N4_sr

m4_sr

S4_sr

MRO tMYe

t

MNOX

T

Rm_Y5r_ YUO_Z5rsZQm

em_rQOr

MRO

Rm_Y e_uQm

SZP e4O_Z1Dt T4Pmt1N 1N

eON676

rYOAC8

M

N

O

P

Q

R

S

T

PQRXQOrU_Z5Omr oOTQYMrUO PUMSmMY

.YMUZ eON/

OeD68M

OeD68N

N8679T683Be

N8679T683Be

mB68

SZP

7

7

SZP

Osr _RR

8

8

Osr _RR

AB6

75:u

N4_sr

9

9

N4_sr

m4_sr

:

:

m4_sr

S4_sr

A

A

S4_sr

t3PmUtQ UO

UO:67

rPMD7C:M

em_rQOr

B

B

em_rQOr

94A

uQmesresr

sresrorMSQ t

rmUSSQmUZesr

MPV4TQUSTr

t

SZP

m

NsRRQmsresr

UZtQmrUZSUZesr

t

SQZQmMrRN4 m

SZP

9

9

SZP

SQZQmMrmMYe _

em_rQOr

64A

OeD69M

OeD69N

f:69

N8679T683:e

N8679T683:e

6

PrO77:QWM

7D6t

7

7

7D6t

99

996W 75:u

m:88

ZO

8

8

ZO

7oo799

7oo799

7oo799

7

8

9

:

A

B

C

D

E

76

77

TQMrQm

:

:

TQMrQm

PD6:

mD6E

:4CW

PD6A

mD7:

:4CW

PD6B

mD77

:4CW

7B4:

8B4A

A4A

B4C

:4A

6

D4E

E4B

:4A

8B46

:4E

r_ Omr

Rm_Y PQRXQOrU_Z

uD76

uD79

886W 75:u

7W 75:u

646:C YYrt

uD6C

m:89

m:6D

O:6D

A6t 76

O:78

m:78

78W 75:u

P:69

77Q73QUO

O:7:

9At 766

m:8B

AB6 758u

uD6D

OD77uDA7

OT996e

mD79

8C675:u

uD78

OD76uDA8

OT996e

mD7B

8C6

uD7A

OD6E

OT996e

mD7A

8C675:u

uDA9

9:

OPD67

OeD67

9A

oY7B:83667

M89B7ut838e

P:67

Yr

m:6B

m:7D

75:u:C

9E6

m:86

m:67

758uBD6

7

SZP

8

SZP

84A

78646

84A

78646

84A

78646

m:7E

137+

88A6t

7666

YQrMX7W

84E

84E

84E

P:68

Yr

:4CW

75:u

m:7C

eYo64998A6t tm:86 m:8D :C6 YQrMX O:7C

7DW

O:88m:7B

766t64:C YWr 848 758u

t4e oU

tm:67

mQP MYe

SmQQZ MYe

NXsQ MYe

O:9C

7 758u

X:67m:77

m:6CO:7D

:4CBD

758u

m:8A

AB6 758u

XD67

696ABD

re688

uDC:

mD69

78W8u

mD68

re689

uDCA

mD6C

78W8u

mD6B

75:u84CW

re68:

uDCB

mD6A

78W8u

mD6:

84CW 75:u

tD67

fD6:

fD6A

fD6B

Oe:67

MA7QQm99zC:

WrO:87C

WrO:87C

WrO:87C

94EW

t4XUZ

8At

M7AB7ut83MAe

:

76

75:u

A

E

758u

X:69

9

D

m

84CW

CB9uMM689C

ZO

8

B

To:67

S

7

86:7BM

7

77

N

9E

:6

:7

m:8:

A C

7

7W

7u

6E6E

9B

m::B

:C6758u

QrT6EW7:N

9C

796

OYee

O:6:

8A6t

848

T4_sresr

9D

f:67

r:67

8oP8:EE.XN_QO7/

6467766tYYro

6

7B4D

O::6

O::B

88A6t

9

:

m:8C

766

6466DB748AWt

oOmQQZ

oOmQQZ

T4PmUtQ

8

6

O::8

f:68

7

B

64A

8oO7B8C

6

To:68

R_Oso

R_Oso

CB9uoMM679

OeD6B

m:76

P:6:

P:6D

77Qfo6:Z

886

7u

77Q73QUO

N

OD68

64667

mD7E

7674B

Omr o_OWQr

m:69

8Wt

848

8u

B4:

77

ZO

VD67

74AW

75:u

RN:67

6 E

76

78

UoToA9o

RfU387N668

796

O_X

D

R

7

Tt

7674B

7

6

77E

Q7D6

C

B

7674B

B

A

:

N

77C

N1

eON776

8

8C48

MRO

rOO:99

8u7D6 77Q73QUO

ZO

E

m:68

P:6A

Ms68M3QUO

P:76

Ms68M3QUO

Q8C

MNX

8:4B

m:8E

MrrQZrU_ZFXQo eUQOQo mQeMmQQo eMm sZ

QrMZr

Z_rQFrTQ PO t_XrMSQ Mr QMOT eMmr uMo YQMosmQP

B:46

9

P:6B

76 rQm

C4B

TQM

R

6

D

SZP

o

9D4:

Q78

SZP

6

ZO :

77

C

PMZSQmQsoQo MZ e_UZr PQ tsQ oQOsmUrQ

uUrT rTQ PUSUrMX rQorQm uTQZ rTQ O_X_m Nm_MPOMor

74D

D

SZP

A4BW

758u

Z-srUXUoQm fsQ OQXXo PQOmUrQo

uMo mQOQUtQP UZ S__P O_ZPUrU_Z MZP eUOrsmQ Uo Z_mYMX4

PMZo XM Z_YQZOXMrsmQ PQo eUQOQo

QD

ZO

A

OMsrU_ZFoUZOQ rTQoQ eMmro YMmWQP N

MmQ

Z_rQFrTQ mQoUor_m YMmWQP R Uo RsoQ mQoUor_m4

rTQ MXsYU QXQOrm_X

uD7B

m:96

766W

75:u

OmUrUOMX R_m oMRQr

Uo Z_Z e_XMm _ZQ4

O:69

:C69At

O::D

8A6t88

P:6C

77Q73QUO

m:87

758uD8W

O:6C

647766tYWr

PQoOmUNQP UZ eMmro XUor _ZX

OMsrU_ZF PUSUrMX rmMZoUor_m

Z_rQF rTUo oOTQYMrUO PUMSmMY Uo rTQ XMrQor Mr rTQ rUYQ

_R emUZrUZS MZP osNVQOr r_ OTMZSQ uUrT_sr Z_rUOQ

N O P Q R S T

D

C

B

A

:

9

8

7

G-9 G-10