![background image](http://html.mh-extra.com/html/motorola/p8088/p8088_service-manual_243817060.webp)
K
O
O
L
9
9
/
D
u
a
l
B
a
n
d
K
ru
n
ch
RTC_BATT
V_REF
LS_V1
PWR_SW
VSIM
V1
V3
DM_CS
PAC_275
B+
CE0
MAGIC 13MHz
Ext B+
GCAP_CLK
GSM_PINDIODE
-5V_SW
DCS_LNA275
GSM_LNA275
RF_V2
V_BOOST
R_W
CE1
CE2
CE3
CHRGC
PAC_275
Y230
CR230
13MHz Varactor
U700
W/CAP
U900
GCAP 4.0
J7
U913
MAGIC
E1
900 / 1800 MHz RX
TX
ANT. SIGNAL
1800 Mhz RX ANTENNA SIGNAL
900 Mhz RX ANTENNA SIGNAL
400 Mhz IF SIGNAL
RX EARPIECE
RX ALERT
TX MIC SIGNAL
TX CHARGE PUMP
1800Mhz DCS SIGNAL
900 Mhz GSM SIGNAL
TX PLL FEEDBACK SIGNAL
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
A
C
D
E
F
B
G
H
I
J
K
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
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
J101
1
KP_R3
17
KP_EN1
2
BA
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
Star
TAC
Thermistor
Data B-
B+
Thermistor
Data
B-
B+
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
REVISIONS
1
5
6
10
A
A
2
5
2
5
1
2
3
5
5
5
A7
4
2
4
5
6
6
B1
H
H
8
2
J
I
I
J
1
2
7
8
9
11
12
14
16
13
1
2
8
9
11
12
14
16
13
1
7
8
14
2
P
P
SH900
J9
0
0
J6
0
0
J1
0
1
SH
20
0
F
F
G
A3
A1
K
K
A3
MIX_275
AOC
V1_FILT
TX_EN
SF_OUT
RF_V1
V2
D_TX_VCO
G_TX_VCO
CLK_SEL
TX_KEY
I_SENSE
H9
J6
G14
F5
J2
Converted to Digital and
sent through SPI Via
W/CAP to MAGIC
H7
1
7
15
J6
0
1
K9
Digitized Audio from
MAGIC via W/CAP
B
C
D
E
E
F
G
G
L
L
900 / 1800 Mhz O/P TO ANTENNA
M
N
O
RX CHARGE PUMP
RX PLL FEEDBACK SIGNAL
RX VCO SIGNAL TO MIXER
P
Q
R
PAC EXCITER VOLTAGE
800Mhz TANK CCT CHARGE PUMP
13Mhz VARACTOR CHARGE PUMP
M
N
A9
J7
R
S
Содержание P8088
Страница 1: ...P8088 Level 1and 2 Service Manual Ver 1 0 ...
Страница 4: ...of 48 European Customer Services iv P8088 SECTION 1 GENERAL ...
Страница 8: ...of 48 European Customer Services 1 P8088 SECTION 2 P8088 DESCRIPTION ...
Страница 13: ...of 48 European Customer Services 6 P8088 SECTION 3 FEATURE LIST ...
Страница 20: ...of 48 European Customer Services 13 P8088 SECTION 4 DISASSEMBLY PARTS ...
Страница 25: ...of 48 European Customer Services 18 P8088 13 Carefully remove flip from front housing paying attention to flex ...
Страница 28: ...of 48 European Customer Services 21 P8088 SECTION 5 SIM CARDS AND SECURITY ...
Страница 33: ...of 48 European Customer Services 26 P8088 SECTION 6 REPAIR AND TEST PROCEDURES ...
Страница 39: ...of 48 European Customer Services 32 P8088 SECTION 7 ACCESSORIES ...
Страница 41: ...of 48 European Customer Services 34 P8088 SECTION 8 SALES MODELS ...
Страница 43: ...of 48 European Customer Services 36 P8088 SECTION 9 GLOSSARY OF TERMS ...