Tahvo - Nokia 7370 Service Schematics

3.7V
VBAT
L2301
220R/100MHz
C2309
22u
GND
3.7V
VBAT
R2307
100R
V2302
RSX101VA-30TR
C2306
1u0
GND
Charger plug
CHARGER
SLOWAD(6:0)
RETU 4
CHSWSTAT
Customer Care / Service & Support Readiness / Content Creation Management Customer Care / Service & Support Readiness / Content Creation Management
Copyright © 2005 NOKIA Only for training and service purposes Copyright © 2005 NOKIA Only for training and service purposes
Local mode=1.4V
VCORE
C2300 C2301
10n 22u
GND GND
L2302
10uH
C2302
22u
GND
GND
J2300
GND
3.7V
C2307
VBAT
1u0
L2306
600R/100MHz
GND
GND
2.5V if accessory
connected
VOUT
C2312
1u0
Current gauge
J2306
GND
J2307
SENSE-
SENSE+
3 2
5V if USB connected
R2300
4 1
VBUS
CURRENT_SEN
BGND GND
C2313
1u0
GND
Version: 1.0 Version: 1.0
Flash interface
X2060
1
GND
1 2
3 4
Traceability pad

TAHVO

6 7 8
N2300
TAHVO_V5.2_LF
A7 J10
VBAT1 Slave_PU 4
A6 H9
VBAT1 Master_PD1 5
A5 J9
VCoreCoil Master_PD2 6
B6 J6 3
VCoreCoil CLK
B4 K7 2
VCore RXD2
B5 J7
GND1 D+_RXD 1
A4 K8
GND1 D-_TXD 0
A1
VPP_VIO
C2303
D10 K9
VCharIn1 VCCint
GND
E10
1u0
VCharIn2
E9 A3
VCharInK VIO
F10
VCharOut1
G10 J4 J2309
VCharOut2 OEX 5
F9 K4 J2314
VCharOutK FSE0 4
J5 J2310
VO 3
D9 K2 J2311
VCharADC RCV_FRX2 2
J2312
J1 J3 1
ChSwS VP_FRX
J2313
F1 K3 0
SMPSClk VM_CLK
F2 K5
GND4 FTX
G9 K6 J2315
VBAT3 SLAVESWSET 6
J8
GND3
B3 2
RSTX
A10 D2 0
NC PURX
B10 D1 3
NC SLEEPX
1
A8 C2
NC TahvoInt
C10 C1 1
NC CbusData
B1 2
CbusSelX
B8 B2 0
NC CbusClk
A9 C9
GND5 VcoreDef
A2
FlashM
H10 B7
Vout TestMode
B9
TestOut
GND
J2 0
H2 SENSE- GenOut1
K1 1
GenOut2
G2 H1 2
SENSE+ GenOut3
J2316
G1
PWM300
K10 E1 7
VCC Clk600
E2 1
SleepClk
E3 5
NC
H3 E8
NC NC 1.8V if lights on
H4 D3
NC NC
H5 D8
NC NC
H6 C3
NC NC
H7 C4
NC NC
H8 C5
NC NC
C6
NC
G3 C7
NC NC
G8 C8
NC NC
F3
NC
F8
NC
GND GND
J2308
15
03.11.2005 03.11.2005 7370 RM-70 7370 RM-70 Board version: 1lua_50a Board version: 1lua_50a
1.8V
VIO
C2304
10n
GND
3.7V
VBAT
C2305
1u0
L2304
GND
22uH
13V if lights on
LED driver
Power supply for display
and keyboard lights
N2301
4W_LED_DRIVER
PWMTAHVO
A2 C1
EN VOUT
C2315
C2 B1
IND VDD
4u7
C2314
B3 A1
FB AGND
4u7
A3 C3
NC PGND
GND GND GND GND
0,5V if lights on
TAHVO TAHVO
System connector
USB_ACI(7:0)
RETU
RAPGSM
USB_CMT(8:0)
FM radio BT
PUSL(7:0)
RETU RAPGSM
RAPGSM
EMINT(1:0)
FM radio RETU
CBUS(3:0)
RAPGSM
UI
GEN_OUT(3:0)
VLEDOUT1
UI
SETCURR1
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