Nokia 8280 Service Manual 10 rh10schematics

Audio

AUDIO

CCS Technical Documentation Schematics / Layouts 8280 RH-10

HEADINT

Issue 1 09/2002 Confidential Nokia Corporation Page A-1

CCS Technical Documentation Schematics / Layouts 8280 RH-10

Circuit Diagram of RX

Same length

E3,J3 F2,B4 A2,C3C2 J9,D8,A5 D9,B7

Issue 1 09/2002 Confidential Nokia Corporation Page A-2

CCS Technical Documentation Schematics / Layouts 8280 RH-10

Circuit Diagram of BB

SYS_CONN

AUDIO

Sheet 4

POWER

KEY_UI

UPP

RF_BB

Sheet 8

Sheet 11

Sheet 3

Sheet 5

Sheet 9

MEMORY

Sheet 10

17

Issue 1 09/2002 Confidential Nokia Corporation Page A-3

CCS Technical Documentation Schematics / Layouts 8280 RH-10

DC/DC Converter

Issue 1 09/2002 Confidential Nokia Corporation Page A-4

CCS Technical Documentation Schematics / Layouts 8280 RH-10

Circuit Diagram of RX front end

Issue 1 09/2002 Confidential Nokia Corporation Page A-5

CCS Technical Documentation Schematics / Layouts 8280 RH-10

Circuit Diagram of PA

CELLULAR

Issue 1 09/2002 Confidential Nokia Corporation Page A-6