Baseband - Mmi Fm Radio - Sony Ericsson K800 Electrical Repair Manual

MP 79
Page 46
Digital 1.3V 32768Hz ST2602
1 2
RTCCLK
C2603
68pF
GND
I2CCLK1 I2CCLK1
I2CDAT1 I2CDAT1
I2C Addresses:
FM 0xC0(W) 0xC1(R)
FM_ANTENNA
FM_ANTENNA
Signal routed in outer layer and no groundplane underneath
VDDE18
VFM27
VFM27
VDDE18
FUNCTION OVERVIEW

Baseband - MMI FM Radio

No Groundplane underneath
Close to N2600
V2600
V2601
C2600 C2601
BB202
10nF 47nF
L2600 L2601
R2600
10Kohms
33nH 33nH
C2602
R2601
100Kohms
22nF
GND
FM_RTCCLK
VDDE18
C2604
1uF
VFM27
GND
C2606 C2607
33nF 33nF
GND
22pF
C2608 C2609
L2602
220nH
GND
VDDE18
R2604
100Kohms
C2619 33nF
<NM>
N2600
TEA5764
G3 G4
MPXIN MPXOUT
G1 B4
FREQIN RDSLP
F1 A5
XTAL SWPORT
A2 A1
LO1 LOOPSW
A3 B2
LO2 CPOUT
F6 A4
CD1
INTCON1
C2614 33nF
E6 E7
INTCON2 CD2
<NM>
A6 G7
BUSENABLE INTX
C2613 33nF
B6 G6
VREFDIG TMUTE
A7 G5
CLOCK VAFR
B7 F4
DATA VAFL
D2
CD3
D1
RFIN1
C2605
GND
C1
RFIN2
33pF
C2
RFGND
B1
CAGC
GND
POWER/GND
E1
VCC
D7
VDD
C7
DGND
D6
DGND
C2612
F7
DGND
10nF
G2
DGND
F2
AGND
TEA5764HN_26
GND
RYT109905/3
R3A
10pF
C2610
27pF
L2603
120nH
C2611
47pF
GND
SEMC Electrical Repair Manual
K800 - K810
R2603
C2618
33nF
47Kohms
C2617 33nF
GND
FMINT
MP 81
C2615 Page 46
470nF
FMR
MP 80 FML
C2616
470nF
Page 46
GND
Made for
BASEBAND - MMI FM Radio
Document Nr Revision
2/1911 - ROA 128 1534/1 A
1202-3085 rev. 2 42 (121)