Motorola Gm Series Detailed 6864115b62 A Manual

Chapter 2
TROUBLESHOOTING CHARTS
1.0 Controller Troubleshooting  Chart 
Controller Check
Power Up 
Alert Tone
 OK?
Speaker & 
Control 
Head OK?
U0101
EXTAL= 
7.3728 MHz/ 
14.7456 
MHz? 
BUS+
activity when 
volume knob 
rotated?
MCU is OK
Not able to 
program 
RF Board ICsBefore replacing 
MCU, check SPI 
clock, SPI data, 
and RF IC select 
Replace 
Speaker / Con-
trol Head
U0221 Pin 34 = 
16.8 MHz?
Check 
FGU
Reprogram the 
correct data. & 
Check ASFIC 
and MCU
Check Control 
Head and MCU 
(U0101, U0121,...

2-2TROUBLESHOOTING CHARTS 

Chapter 3
CONTROLLER SCHEMATICS / PARTS LIST
1.0 Allocation of Schematics and Circuit Boards
1.1 Controller Circuits
This Chapter shows the Schematics and the the Parts Lists for the Controller circuits. 
1.2 Voice Storage Facility
The Voice Storage is fitted on all MPT radios GM640/660/1280 and on GM380 as standard.
The schematics, component layout and parts list for these circuits are shown in this chapter. 
The Voice Storage schematic is shown in Tables below.
.Table 3-1   Controller T2 Diagrams and...

3-2CONtroller schematics / parts list
.
.Table 3-3   
Controller T6/T7 Diagrams and Parts Lists
Controller T6/T7 used on PCB : T6 on 8486206B06  LB1, 25-60W
T6 on  8486207B05  LB2, 25-60W
T6 on  8486140B12  VHF, 25-45W
T6 on  8480643z06  UHF B1, 25-40W
T7 on  8486172B07  VHF, 1-25W
T7 on  8485670z02  UHF B1, 1-25W
SCHEMATICS
Controller Overall
Supply Voltage
Audio
I/O T6
I/O T7
Microprocessor
Voice Storage (if fitted)
Page 3-1 8
P age 3- 19
P age 3-2 0
P age 3-2 1
P age 3-2 2
P age 3-2 3
P age 3-2 4
Parts...

Controller T2 / Schematic Diagrams3-32.0 Controller T2 / Schematic Diagrams
FLT_A+
IGNITION_CONTROLINT_SWB+
IN_5V_RF_REG
ON_OFF_CONTROLPASUPVLTGRESET
VSTBY
TX_AUD_RTN TX_AUD_SNDUART_RX UART_TX
URX_SND VS_AUDSEL VS_GAINSELVS_INT VS_MIC
VS_RAC
SUPPLY_VOLTAGE
5VD9V3
BATTERY_VOLTAGE
DC_POWER_ON EMERGENCY_CONTROLEXT_SWB+NOISE_BLNKRON_OFF_CONTROL
OPT_PTT
PASUPVLTG
PA_PWR_SETRDY
RESET
RSSI RX_ADAPT
RX_AUD_RTN RX_FLAT_FILTERED_AUDIO SCI_TX
SPI(0:10)SPKR+ SPKR-TEMPSENSE
GP2_OUT_ACC4
GP3_IN_ACC6
GP4_IN_OUT_ACC8...

3-4Controller T2 / Schematic Diagrams
C0622
47uF
C0663C0662
0.1uF.01uF10 R0652
0.1uF C0655
Q0641C0611
22uF J0601-1
33uF C0652D0621
150KR06621.2K R0643 R0611
56K
0.1uFNU 470pF C0621
C0645
33uF C0644 R0641
C0641
470pF10K J0601-2
10uF C0654 C0612
0.1uF
Q06615.6V VR0621
MC78M05
2
GND
1
IN3
OUT
5.6V U0651
NU VR0671 30K R0671
10K R0672 U0611
ADJ1
GND1
3GND2
62ON_OFFVIN 4
VOUT5 LM2941
C0671
0.1uF D06611
ADJGND1
3GND2
6ON_OFF 2 4
VIN5
VOUT LM2941U0641
Q0662R0651 57R01
10 R0642 E0631 J0601-3
7.5K C0601
C0603...

Controller T2 / Schematic Diagrams3-5
SYN
F1200CLK GP2_OUT
CSX
DATA LSIO VOX
SQ_DET
HSIO CH_ACT
R0251
47K
0.1uFC0262
C026182pFNU C0204
0.1uF
C0235 C0231
.022uF 4.7uFC0251
0.1uF
NU
R02751000pFC0276
510K 10uF C0212
R0206
10K
24K
2R0273 NU 0.22uFC0224
100pF
C0233R0208
0.1uF2.2K
C0222100pF C0243 2200pFC0203
NU
R0262
100K 0.1uF C02277 4
11
6MC3403 U0211-2 6
5
R0276
15K MC3403 2
31 4
11U0211-1 24K R0221
R0269
470 NU 0.1uF C0265
0.1uFC0266
4Q0271
INV9M_SS8NINV14
OUT1
OUT2
6 3
RR
VCC7
U0271GND125
GND2
.033uF...

3-6Controller T2 / Schematic Diagrams
32
31
SPEAKER+
BUS+ 11
7 17
12
10VS_CS INT_MIC
26
Gnd
1
DIG_IN_OUT_8 RST*
RSSI 7 4
18 17
VS_MIC
DB1 36 39
38
30
13 15 17 33
6 4
DIG_IN_5 WITH WAKEUP (EMERGENCY)
13 37
911 DB2 Key_Intrp
DIG_IN_OUT_4 = Sel5/MDC    UART_TX = MPT 9V3
LED_EN
DB0DATA9
DIG_IN_3  = Sel5/MDC            UART_RX = MPT Tx_Aud_Snd
Tx_Aud_Rtn
PTT Vddd
25
6J0551
9
3
2
1 NC9
20
13 7
8
NC
NC10
11
124
15REAR VIEW PCB
2 DATA
CLK
8
5 NC GROUND
14 Rx_Aud_Rtn
Rdy/ReqEXPANSION BOARD
18-PIN CONNECTOR
DATA...

Controller T2 / Schematic Diagrams3-7
16Kx8bit
GP6_IN
GP4_IN
GP3_IN
HSIO
GP4_IN VS_CS
EXP1_CS
GP1_IN
CLK
VOX LSIO
GP7_INHC138_A0
ON_OFF_SENSE
EEPROM
OPT_CS
HC138_A1
HC138_A2
MISO
CLK
GP5_IN
GP6_IN
F1200
CHACT
GP8_OUT
SQ_DET
HC138_A1
H/W-Version & Memory size
512kx8bitGP4_OUT
GP7_OUT (EXT_BD_PTT & DATA_PTT)EE_CSGP2_OUT
GP8_OUT
RAM
FLASH ROM
GP4_OUT GP7_OUTLVZIF_CS REF_CS
HC138_A2 EXP2_CS
GP7_IN
MISO
SYN
GP8_IN
LSIO
GP8_IN GP3_IN
PE6
HC138_A0
32kx8bitGP5_IN
EE_CSDATA
1 0
GP4_OUT
GP7_OUT
CSX
HSIO...

3-8Controller T2 / Schematic Diagrams2.1 Controller T2 Parts List
Circuit 
RefMotorola 
Par t No.DescriptionC0101
2113740F51
100pF
C0107 2113741F25 1000pF
C0112
2113743E20
0.1uF
C0121 2113743E20 0.1uF
C0122
2113743E20
0.1uF
C0125 2113743E20 0.1uF
C0131
2113740F35
22pF
C0132 2113740F35 22pF
C0141
2113743E20
0.1uF
C0151 2113741F49 .01uF
C0201
2311049A57
10uF
C0204 2113743E20 0.1uF
C0212
2311049A57
10uF
C0221 2113743E20 0.1uF
C0222
2113743E20
0.1uF
C0223 2113743E20 0.1uF
C0224
2113740F51
100pF
C0225...