Motorola V8088 Service Manual page 61

PAC_275 NPA_MUTE PA_B+ DCS_SEL
D
E
J700 27_PIN_FLIP_CONN
. 25 23
1 BKLT+
2 ALRT-RED
3 V2
26
4 V2
5 V2
6 GND
7 D7 L
8 NC
9 D6
10 D5
11 D4
12 V2
13 D3
14 D2
M
15 D1
16 V2
N
17 D0
18 R_W
19 A0
20 NC
21 DP_EN
22 RESET O
23 SPKR+
24 GND
25 SPKR-
26 ALRT_GRN
27 RTC_BATT
B+ BATT+ SF_OUT TVCO_250
MIX_275
HS CONN.
PAC_275 V2 HEAD_INT
MIX_275 GSM_LNA275 DCS_LNA275 GSM_SEL
1
DISPLAY CONN.
2
26MHz
1 14
2
4
PAC
7 8
GND
BATT CONN.
J604
E1 E2
THERM
U
1 8
J2 SDTX
PRSC_IN
V G7 TX_CLK
7
2
P Q
6 SDRX
3 BATT_SER_DATA
MAGIC
SDFS
4 5 J6 CLK_OUT
SCLK_OUT
1 8 K J7 PLL_CP
PRE_IN
PLL_EMIT
J9
H9 PLL_BASE
BATT+
4 5
6 5
7 4
A
B
10 1
DCS_LNA275 GSM_LNA275 V1 RF_V2
PA_B+ D_TX_VCO SF_OUT
P O
K
SH300
9 8
7
11
12
13
14
2
1
16
L
9 8
900/1800MHz
7
11
12
13
B
A
14
2
1
16
1805-
945MHz
1880MHz
942,5MHz
400MHz
DCS_LNA275 GSM_LNA275 SW_VCC
RF_V2 B+ V3
2 4 6
SIM CONN.
I
1 GND
2 SIM_VCC
3 SIM_VCC
4 *SIM_RST
B1 A1
5 SIM I / O
F
6 SIM_CLK
A3
G
G8
R
G9
S
F7
A7
T
1 3
5
C
TX_EN RF_V1 Vref
PAC_275 G_TX_VCO V_SIM1
N
M
Q
SH200
G14 CLKIN
EPROM
K5 GCLK
D7 GCAP_CLK
SH700
G
I
TX_VCO IC
C F
SRAM
C7
32kHz
A7 F5
XTAL1
CLK_IN
B7 XTAL2
SPKR+ H7
GCAP 4.0
SPKR- H6
H3 K1
RVCO_250 SF_OUT LS_V1
V2 EXT_B+
H
J600
15 PIN EXT.CONN.
1 GND
2 SW_RF
3 GND
4 BATT_FDBK
5 MAN_TEST_AD
6 RS232_TX
7 RS232_RX
8 EXT_CHG_EN
9 ON / OFF
10 GND
11 UPLINK
12 DOWNLINK
13 DSC_EN
14 EXT_B+
15 GND
V_BOOST1
R
S
T
U
V
BFSR B4
BDR C4
BCLKR A3
BDX C6
BCLKX A2
J800
14 PIN_KEYBOARD_CONN
1 GND
2 BKLT+
3 GND
WHITE_CAP
4 BKLT+
5 HS_INT
6 KBC3
7 KBC2
8 KBC1
9 KBC0
10 KBR2
11 KBR1
12 KBR0
13 PWR_SW
14 V2
2
4 1
D
5 8
E
H
DCS_VCO VREF V1
A GSM RX ANTENNA SIGNAL
B DCS RX ANTENNA SIGNAL
C AMPLIFIED RX ANTENNA SIGNAL
D RX SPEAKER LINE+
E RX SPEAKER LINE-
F RX VCO TUNING VOLTAGE
G TX / RX VCO FEEDBACK LINE TO MAGIC
H TX MIC LINE+
TX VCO TUNING VOLTAGE
I
K FILTERED PA OUTPUT SIGNAL
L PA DETECT LINE
PA TUNING VOLTAGE
M
N PA TUNING VOLTAGE
O PA TUNING VOLTAGE
P PA TUNING VOLTAGE
Q MAGIC 13MHz
R RX SPI BDR
S RX SPI BFSR
T RX SPI BCLKR
TX SPI BDX
U
V TX SPI BCLKX
13MHz_CLK
E1
U913
Y230
MAGIC
E2
26MHz
J6
MAGIC_13MHz
G14
U700
WHITE_CAP
D7 K5
GCAP_CLK GCLK
(32kHz)
F5 C7
U900
Y900
GCAP_II
32,768kHz
REVISIONS
GSM SERVICE SUPPORT GROUP 09.02.00
LEVEL 3 Signal Flow Rev. 1.0
DualBand DAO (V8088) 8486183p01
Michael Hansen, Ralf Lorenzen, Ray Collins Page 1