Motorola P8088 Service Manual page 60

PAC_275 MIX_275 AOC
14
1 2
J601
1 L_BATT
2 L_BATT
3 L_BATT
4 L_BATT
5 L_BATT
6 THERM
7 EAR-PIECE+
8 EAR_PIECE-
9 VIB_DRIVE
10 RTC_BATT
11 BATT_SER_DATA
12 BATT_GND
13 BATT_GND
14 BATT_GND
15 BATT_GND
16 BATT_GND
17 GND
18 GND
GSM_PINDIODE
DM_CS PAC_275
P
B-
B+
Data Thermistor
StarTAC
Thermistor
Data B- B+
V1_FILT TX_EN SF_OUT RF_V1
SH900
8
2 5
5
2
7
A9
R
2 A7
P
5
5
F
4
3
A3 A3
5
6
A1
B1
2
1
N
D
K
9 8
1
M
7
11
12
7 13
14
2
16 1
E
J
H
9 8
15
11
12
I
13
L 14
2
16 1
6 5
B
C
10 1
A
-5V_SW DCS_LNA275 GSM_LNA275 RF_V2
A
J I
K
H
G
F
F
RTC_BATT V_REF
G_TX_VCO CLK_SEL
V2 D_TX_VCO
S
J7
V_BOOST R_W CE1 CE2
B+ CE0 MAGIC 13MHz Ext B+
2
8
Converted to Digital and
Digitized Audio from sent through SPI Via
MAGIC via W/CAP W/CAP to MAGIC
H7 K9 J2
E
G
LS_V1 PWR_SW VSIM V1
TX_KEY I_SENSE
G
U913
E1
J6
MAGIC
J7 H9
Y230
CR230
13MHz Varactor
G14
U900
U700
W/CAP F5 GCAP 4.0
CE3 CHRGC
GCAP_CLK
J101
1 KP_R3 17 KP_EN1
2 BACKLIGHT+ 18 D2
3 A0 19 KP_R4
4 PWR_SW 20 KP_EN4
5 D4 21 DP_EN
6 *RESET 22 KP_EN5
7 KP_R2 23 BL_CNTL
8 D7 24 B+
9 D0 25 KP_R1
10 D5 26 VIB_EN
11 D6 27 KP_EN3
12 D3 28 VIB_DRIVE
13 KP_R5 29 KP_EN2
14 D1 30 GND
15 -5V 31 R_W
16 L275 32 GND
J600
15 PIN EXT.CONN.
1 GND
2 SW_RF
3 GND
4 BATT_FDBAK
5 MAN_TEST
6 RS232_TX/
POWER_ACCESSORY
7 RS232_RX
8 AUDIO_IN/RS232_EN
9 AUDIO_OUT
ON / OFF
10 GND
11 UPLINK
12 DOWNLINK
13 DSC_EN_B
14 EXT_B+
15 GND
V3
RX SIGNAL PATH
TX SIGNAL PATH
MAIN VCO SIGNAL PATH
TUNING VOLTAGES
13 MHz REFERENCE CLOCK
TP x TESTPOINTS FROM FULL
SCHEMATICS
x TESTPOINTS FROM
BLOCK DIAGRAM
A 900 / 1800 MHz RX TX ANT. SIGNAL
1800 Mhz RX ANTENNA SIGNAL
B
900 Mhz RX ANTENNA SIGNAL
C
D 400 Mhz IF SIGNAL
RX EARPIECE
E
RX ALERT
F
G TX MIC SIGNAL
TX CHARGE PUMP
H
1800Mhz DCS SIGNAL
I
J 900 Mhz GSM SIGNAL
TX PLL FEEDBACK SIGNAL
K
L 900 / 1800 Mhz O/P TO ANTENNA
M RX CHARGE PUMP
N RX PLL FEEDBACK SIGNAL
O RX VCO SIGNAL TO MIXER
P PAC EXCITER VOLTAGE
Q 800Mhz TANK CCT CHARGE PUMP
R 13Mhz VARACTOR CHARGE PUMP
REVISIONS
GSM Service Support 2000-01-10
LEVEL 3 SIGNAL FLOW Rev. 1.1
KOOL 99 / Krunch Dual Band
Michael Hansen, Ray Collins, Ralf Lorenzen Page 1 of 1