Tahvo; Tahvo Tahvo 5 - Nokia N-70 Service Schematics

4V
VBAT
C2309
22u
GND
System connector
CHARGER
4V
VBAT
R7556
100R
PMEG3020EJ
V7501
SLOWAD(6:0)
RETU
CHSWSTAT
4V VBAT
GND
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Copyright © 2005 NOKIA Only for training and service purposes Copyright © 2005 NOKIA Only for training and service purposes
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L2301
220R/100MHz
C2300 C2301
10n 22u
GND GND
Local mode = 1.4V
VCORE
L2302
C2243
12p
C2302
22u
10uH
GND GND
GND
4 J2300
J2301
C2307
GND
2u2
Accessory
VOUT
connected = 2.5V
C2312
1u0
GND
J2306
J2307
R2300
USB connected=5V
3 2
VBUS
from host
4 1
CURRENT_SEN
C2313
BGND GND
1u0
Current gauge
GND
Version: 1.0 Version: 1.0
Flash interface
USB=3.5V
FBUS=2.5V
J2060
VBUS
VPP
1 2 3 4

TAHVO

8
6 7
N2300
TAHVO_V4.1
GND
A7 J10
VBAT1 Slave_PU 4
A6 H9
VBAT1 Master_PD1 5
A5 J9 6
VCoreCoil Master_PD2
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
D10 K9
VCharIn1 VCCint
E10
VCharIn2
E9 A3
VCharInK VIO
F10
VCharOut1
G10 J4 5
VCharOut2 OEX
F9 K4
VCharOutK FSE0 4
J5
VO 3
D9 K2 2
VCharADC RCV_FRX2
J1 ChSwS VP_FRX J3 1
F1 K3
SMPSClk VM_CLK 0
F2 K5
GND4 FTX 6
GND
G9 K6 7
VBAT3 SLAVESWSET
C2316
J8
GND3
1n0
B3
RSTX
A10 D2
NC PURX
B10 D1
NC SLEEPX
4V
A8 C2 J2302
NC TahvoInt
C10 C1
NC CbusData
B1
CbusSelX
B8 B2
NC CbusClk
A9 C9
GND5 VcoreDef
GND
A2
FlashM
H10 B7
Vout TestMode GND
B9
TestOut
G2 J2
SENSE+ GenOut1
19
K1
GenOut2
H2 H1
SENSE- GenOut3
G1
PWM300
J2305
K10 E1
VCC Clk600
E2
SleepClk
E3
NC
H3 E8
NC NC 14
H4 D3
NC NC
H5 D8
NC NC
H6 C3 J2308
NC NC
H7 C4
NC NC
H8 C5
NC NC
NC C6
G3 C7
NC NC
G8 C8
NC NC
F3
NC
F8
NC
GND
GND
N-70 RM-84 N-70 RM-84
08.08.2005 08.08.2005
C2303
GND
1u0
1.8V
VIO
C2304
10n
GND
2
0
3
1
1
2
0
7
1
5
L2304
22uH
LED driver
N2301
TK65600B-G
J2309 A2
EN VOUT
C2
IND VDD
Lights on = 1.8V
B3
FB AGND
A3
NC PGND
R2303
GND
1k0
R2304
Lights on = 0.7V 39R
GND
Board version: 1MV_15 Board version: 1MV_15 TAHVO TAHVO
System connector,
USB_ACI(7:0)
RETU
OMAP
INTUSB(8:0)
RAP3G, RETU, OMAP, BTFM
PUSL(7:0)
RAP3G
EMINT(1:0)
CBUS(3:0) RAP3G, RETU
Current control
for keypad backlight
from keyboard
connector
SETCURR2
Lights on = ~ 0.7V
R2305
(Display & Keypad)
33R
V2300
DTC143ZETL OUT
R1
IN
4k7
R2 47k
GND
GND
Power supply
Power supply
for display
for keypad
backlight
backlight
4V
Lights on ~ 14V
VBAT
VLEDOUT2
VLEDOUT1
C1
B1
C2315
4u7
A1
C2314
C3 4u7
GND
GND GND
SETCURR1
Current control
for display backlight
from display connector
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