Motorola Gm Series Detailed 6864115b62 B Manual

							Controlhead GM380/1280 Troubleshooting Flow Chart 3-9
3.3 Microprocessor 
1
Data Signal
on J0801
Pin 5 BUS+
?
Data Signal
on TP0877
SCI_RX
?
Data Signal
on TP0878
SCI_TX
 ?
Check / Replace
D0872 / R0887
YES
YES
YES
NO
NO
NOCheck / Replace
U0871
Check 
Radio Controller
Check / Replace
R0888 / R0889
Measure with scope
while rotating
Volume Pot 
						

							3-10TROUBLESHOOTING CHARTS
3.4 Display 
TP0973
Voltage Sense
between
 2V and 2.4V
?
Activity on
Address & Data lines
A0 / D0...D7 / CS1
of U0971
?
NO
YES
YES
NO
Check / Replace
Flex connection
Resistors on Address & Data
lines and LCD Module
Check / Replace 
LCD Module
Check for shortage
U0871
Power Up Alert Tone is audible, volume knob does operate,
indicator/backlight is on but nothing is seen on the display. 
						

							Controlhead GM380/1280 Troubleshooting Flow Chart 3-11
3.5 Keypad Backlight 
U0871 Pin 25
is toggling ?
Base of Q0943
> 0.7V ?
Collector of
Q0943
>5V & < 11V
 ?
Check / Replace
Q0941 / R0955 / R0957
YES
YES
YES
NO
NO
NO
Check / Replace
Q0943 / U0941 / R0941
R0943 / R0949 / R0951
Check for shortage 
U0871
Check / Replace
R0945 / C0943 / R0947
Power Up Alert Tone is audible, volume knob does operate,
display is on but no keypad backlight. 
						

							3-12TROUBLESHOOTING CHARTS
3.6 Display Backlight 
U0871 Pin 24
is toggling ?
Base of Q0963
> 0.7V ?
Collector of
Q0963
>5V & < 11V
 ?
Check / Replace
Q0961 / R0975 / R0977
YES
YES
YES
NO
NO
NO
Check / Replace
Q0963 / U0941 / R0961
R0963 / R0969 / R0971
Check for shortage 
U0871
Check / Replace
R0965 / C0963 / R0967
Power Up Alert Tone is audible, volume knob does operate,
display is on but no display backlight. 
						

							Chapter 4
CONTROLHEAD PCB / SCHEMATICS / PARTS LISTS
1.0 Allocation of Schematics and Circuit Boards
.Table 4-1   Controlhead Diagrams and Parts Lists
PCB :
Controlhead GM140/340/640
8486146B07 Main Board Top Side
8486146B07 Main Board Bottom SidePag e 4-3
Pag e 4-3
SCHEMATICS
Sheet 1 of 2
Sheet 2 of 2
Pag e 4-4
Pag e 4-5
Parts List
8486146B07Pag e 4-6
Table 4-2   Controlhead Diagrams and Parts Lists
PCB :
Controlhead GM160/360/660
8486155B06 Main Board Top Side
8486155B06 Main Board Bottom SidePag e 4-7
Pag e 4-7
SCHEMATICS
Sheet 1 of 4
Sheet 2 of 4
Sheet 3 of 4
Sheet 4 of 4
Pag e 4-8
Pag e 4-9
Page 4-10
Page 4-11
Parts List
8486155B06Page 4-12
Table 4-3   Controlhead Diagrams and Parts Lists
PCB :
Controlhead GM380/1280
8486178B03/04 Main Board Top Side
8486178B03/04 Main Board Bottom 
SidePage 4-13
Page 4-13
SCHEMATICS
Sheet 1 of 4
Sheet 2 of 4
Sheet 3 of 4
Sheet 4 of 4
Page 4-14
Page 4-15
Page 4-16
Page 4-17
Parts List
8486178B03/04Page 4-18 
						

							4-2controlhead PCB / Schematics / Parts lists 
						

							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
GP5_IN_ACC9
GP6_IN_ACC10
GP7_IN_OUT_ACC12
GP8_IN_OUT_ACC14
HANDSET_AUDIOIGNITION_CONTROL
INT_MIC INT_SWB+ IN_5V_RF_REG
LOCK MODIN MOSBIAS_2
MOSBIAS_3 5VD
5V_RF 9V3BOOT_CNTRL
BUS+
CH_ACTCNTLVLTG
DISCAUDIO EMERGENCY_CONTROLEXP_BD_REQ
EXT_MIC EXT_SWB+
FLAT_RX_SND
FLAT_TX_RTN FLT_A+
GP1_IN_ACC3
UART_RX
UART_TX VSTBY
VS_GAINSEL
VS_INT VS_RAC
VOICE_STORAGE5VD
FLAT_RX_SND RX_AUD_RTN
SPI(0:10)
VS_AUDSEL VS_INTVS_MIC VS_RAC
IO
16_8MHZ
GP4_IN_OUT_ACC8
GP5_IN_ACC9
GP6_IN_ACC10
GP7_IN_OUT_ACC12
GP8_IN_OUT_ACC14GPIO(0:13)
LOCKON_OFF_CONTROL
OPT_PTT
RDY
RESET
RSSI
RX_ADAPTSCI_TXSPI(0:10)TEMPSENSE TX_AUD_SNDURX_SND VS_AUDSEL
VS_MIC
CONTROLLER
5VD
BATTERY_VOLTAGE BOOT_CNTRL
BUS+ CNTLR_AUDIO(0:7)
CNTLVLTG EXT_BD_REQFLT_A+
GP1_IN_ACC3
GP2_OUT_ACC4
GP3_IN_ACC6
FLT_A+
GPIO(0:13)HANDSET_AUDIO INT_MIC INT_SWB+
MODIN MOSBIAS_2
MOSBIAS_3 NOISE_BLNKR
PA_PWR_SET
RX_AUD_RTN
RX_FLAT_FILTERED_AUDIOSPI(0:10)
SPKR+
SPKR- TX_AUD_RTN
PASUPVLTG
PASUPVLTGFLT_A+
FLT_A+
UART_TX UART_TX
AUDIO16_8MHZ 5VD
5V_RF 9V3CH_ACT
CNTLR_AUDIO(0:7)DC_POWER_ON
DISCAUDIO EXT_MIC
FLAT_RX_SND
FLAT_TX_RTN
BATTERY_VOLTAGEVSTBY VSTBY
RDYRDY OPT_PTT
OPT_PTT
CH_ACTCH_ACT URX_SNDURX_SND
VS_GAINSEL
VS_GAINSEL MOSBIAS_3
MOSBIAS_3INT_SWB+
INT_SWB+
EXT_MIC
EXT_MIC IN_5V_RF_REG
IN_5V_RF_REG
SCI_TX
SCI_TX VS_MIC VS_MIC5VD 5VD
9V3
9V3EXT_SWB+ EXT_SWB+
TX_AUD_RTN
FLAT_TX_RTN
FLAT_TX_RTNRX_AUD_RTN RX_AUD_RTNDISCAUDIO
DISCAUDIOINT_MIC INT_MIC5V_RF
5V_RF
RX_FLAT_FILTERED_AUDIO
RX_FLAT_FILTERED_AUDIOHANDSET_AUDIO
HANDSET_AUDIOSPKR+
SPKR+SPKR- SPKR-EMERGENCY_CONTROL EMERGENCY_CONTROLIGNITION_CONTROL IGNITION_CONTROLDC_POWER_ON DC_POWER_ONON_OFF_CONTROL ON_OFF_CONTROLBATTERY_VOLTAGE
VS_AUDSEL TEMPSENSE
TEMPSENSECNTLVLTG
CNTLVLTG
UART_RX UART_RXVS_RAC VS_RAC
VS_INT VS_INTRSSI RSSILOCK LOCKRX_ADAPT
RX_ADAPTNOISE_BLNKR
NOISE_BLNKRPA_PWR_SET
PA_PWR_SETMOSBIAS_2
MOSBIAS_2MODIN
MODINTX_AUD_SND
TX_AUD_SNDFLAT_RX_SND FLAT_RX_SND
16_8MHZ 16_8MHZTX_AUD_RTN
CNTRL_AUDIO(0:7)
CNTRL_AUDIO(0:7)
GPIO(0:13)
GPIO(0:13)
SPI(0:10)
SPI(0:10) BUS+
BUS+
RESET
RESET
GP8
GP8
GP7
GP7
GP6
GP6
GP5
GP5
GP4
GP4
GP3
GP3
GP2
GP2
GP1
GP1
EXP_BD_REQEXP_BD_REQ BOOT_CNTRL BOOT_CNTRL
VS_AUDSEL
Controller T2 Schematic Diagram - Controller Overall
ZWG0130228-O 
						

							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 470pF
10uF
NU
NC1 3
NC2 5NC36
NC47
8
NC5 RESET1 U0653
U0652
MC33064
GND4
INPUT 2
R0661
1K
C0661
47uFD0651
0.1uFNU C0651
Q0663 D066024K R0621 4.7K 24V
R0612EXT_SWB+
RESET 9V3
5VD VSTBY PASUPVLTG
VR0601
DC_POWER_ON
IGNITION_CONTROL
EMERGENCY_CONTROLINT_SWB+
BATTERY_VOLTAGE ON_OFF_CONTROLFLT_A+
ZWG0130232 A
Q0681
IN_5V_RF_REG
68K R0682 R0671
18K
0.1uFC0681
5VDC
0V (13,8VDC when radio off)
6VDC5VDC
5VDC (0VDC during reset)
Controller T2 Schematic Diagram -  Supply Voltage
ZWG01300232-A 
						

							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
C0273 C0236
3300pF 0.1uF C0245 C0232
9 0.1uF0
NU R0242
C0242
0.1uF
0.1uF C0241C0267
.01uF 47K
10KR0267
R0268 R0265
24K 10uF C0201
NU2200pF
D0201NUC0205 10K R0205
R0252
56K
47uF C0275
7 560 R0202
TP0221
1
C0252
1uF
1 70.1uF C0272 0.1uFR0223
C022630K0.1uF C0221
.01uF C0246
310K R0261
C0271 R0207
.01uF 2.2K
R0222
24K
E0271
57R01 0.1uF
57R01 C0244
1000pFE0272
C0277 C0254
0.1uF
C0255
0.1uF 7.5K
R0212 R0211
Y1
4
Z 5
Z0
Z1 3 7.5K
GNDVCC
7 VEE
14
X 12
X0
13
X1
15
Y 2
Y0
1 MC14053B
A11
10
B
9
C6
EN
8
45VDDRC
27
VDDSYN
7VOX
U0251
36
TXRTN
44TXSND
10UIO
39URXOUT
1VDDA
32
VDDCP
33
VDDD
11VDDDAC
46MICINT
40MOD
26
NC
8PLCAP
25PLCAP2
17SQDET
9SQIN
28
SYN
31
GNDD
30
GNDD0
47GNDRC
23GNDSYN
19HSIO
LCAP
24 18
LSIO
48MICEXT
29
F1200
15GCB014GCB113GCB2
35
GCB3GCB437 38GCB5
3GNDA
21CLK
34
CLK168
20CSX
6DACG5DACR DACU4
22DATA
2DISC12AGCCAP
41AUDIO AUXRX
43
42AUXTX
16CHACT63A53U0221
1
100K R0253 TP0222
R0266
24K
NUMC3403 U0211-4
13
1214 4
11
MC3403 9
108 4
11 MC3403
U0211-3 NU 0.1uF
560
8C0211
R0204 100 R0201
R0224
11 8.2K
47K R0241C0253
100pFNU
NU 10K R0274 C0223
0.1uF
0.1uF C0234
NU 0.1uF C0274 0.1uF C02259V3
9V3MODIN
INT_SWB+
CH_ACTVAG 9V39V3
9V3 VS_MIC
MOSBIAS_316_8MHZ
VAG EXT_MIC
TX_AUD_SND
5V_RF 5V_RF
5VD 5VD5V_RF
5V_RF 5V_RF5V_RF
5V_RF TX_AUD_RTN
SPKR- RX_AUD_RTNINT_MIC
URX_SND
FLAT_RX_SND
DC_POWER_ONFLT_A+
ASFIC CMP
5VD
SPKR+
5VD DISCAUDIO
PA_PWR_SET
MOSBIAS_29V3
FLAT_TX_RTN
NOISE_BLNKRVS_AUDSEL
SPI(0:10)
GPIO(0:13)
CNTLR_AUDIO(0:7) VAG VAG
HANDSET_AUDIO RX_FLAT_FILTERED_AUDIO
2.2uF
NU C0237
R0224
8.2K
NU
R0226
1MR0227
1M
PA
4.6VDC
80mV RMS
80mV RMS
5VDC (0VDC during radio off)13VDC unmuted
5VDC muted 300mV RMS
200mV RMS
145mV RMS @25kHz
72mV RMS @12.5kHz
5VDC RX Filtered
Audio (0V DC Flat)630mV RX Filtered
330mV Flat
0 VDC
ZWG0130231-A
ControllerT2 Schematic Diagram -  Audio 
						

							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 SCI_TX
EXP_BD_PTT
GND
FAST_SQ
DISCAUDIO
INTERNAL OPTION BOARD
23
21
19 20
16
15
14
13
5NC
16
28 29 12-PIN CONNECTOR
FLAT_TX_AUDIO DB7
19
20 NC
24 NC
NC
DB6
ACCESSORY
9
10 DIG_IN_6 WITH WAKEUP (IGNITION)
FLAT/FILTERED_RX_AUDIO
DIG_IN_OUT_7 5VD
DIG_OUT2 (EXTERNAL_ALARM) SPEAKER- HANSET_AUDIO
11 CONTROL HEAD
BUS+
VS_GAINSEL OFF_BATT_DATA_OUT
3
4
5 FLT_A+
Key_ColTO/FROM RF
8 VS_RAC
SWB+ NC
NC
16 18 NC
GND
6
16 CSX6
RX_ADAPT CLK
MISO
4VS_CS
Flat_Tx_Rtn
CLK
GROUND SrD_Rtn5 3
EXP1_CSCLKTO/FROM RF 7NC
N.C. MISO2 1
GND EXP_BD_PTT
DB3
18 J0401
SrD_Snd Rx_Aud_Snd
ON
VS_INT 1
2
3
5
6 OPT_CSRDY OPT_PTTNC NC
FLAT_TX_RTN
DIG_IN1 ON_OFF_CONTROL
20-PIN CONNECTORJ0501 J0451
A0 Key_Row VS_AUDSELGPIO
EXP1_CS
EXP_BD_REQ
INT_EXT_Vdd
2 15 14
13 10
R/W* Opt_Bd_En8
7 CS* 27
19
17 22
1840-PINS CONNECTOR SPEAKER- SPEAKER+
GROUNDUART_TX UART_RX
BOOT_CNTRL EXT_MIC_AUDIO Det_Aud_Snd12
40
N.C.
14 12 10 8 OPT_CS11
DB4
DB5
12 SCK_Snd 35
34DATA
470pF C0510
J0451-2
J0401-10 J0401-7
470pF
J0551-19
C0501C0426
10
.01uF
R0467 J0401-2 J0401-1
470pF
NUC0403
C0402
NU
C0457
NU
470pF
NU470pF
470pF C0458
PA_PWR_SET
C0459NU470pF
J0501-17 J0551-42 J0551-41
J0551-1
J0501-5
VR0509
33V
C0524
470pFNU
470pFNUC0454
C0528
470pF
NUNOISE_BLNKR_CNTLR_1 C0428
9V3 R0410
82pF0
NU
VR0537
5.6V
C0473
470pF 470pF C0474C0476
470pF
8 NU 470pFC0558
470pFCSX_CNTLR_2
CSX
C0482 C0410
NU
470pF
J0551-5
C0496
470pF 470pF
NU470pFNUC0523 470pF
NU
C0531 C0530
VR0505
20V
C0487
470pF
33V VR0510
C0449
470pF
J0401-3
PASUPVLTG LOCK J0551-37
82pFNUDATA
16_8MHZ_CNTLR_1C0539
J0551-32 J0551-33
J0551-28J0451-16
9
RSSI_CNTLR_1
470pF C0497
NU C0411
470pF
9V3MODIN J0551-27
VR0521VR0522
5.6V5.6VNU 220 R0522
NU 220 R0521RSSI NU 390nHL0481 10
DATA R0407
C0527
470pFNU
C0526
470pFNU470pFNU
470pF
C0540C0423
470pF C0431470pF C0422
470pF
NU C0541
0.47uFC0525
J0551-24
R0525
100K
470pF
9V3_CNTLR_1
C0492
NU 9C0535
470pF
VR0501
20V
470pF C0495C0472
C0471
470pF470pF
C0470
470pF
R0468
10
J0551-6 J0551-7
220 R0524 220 R0523
14V VR0541CNTLVLTG_CNTLR_1
NU
47K R0542
C0467NU470pF
J0501-20 J0401-12J0451-10
C0509
470pF
MOSBIAS_2_CNTLR_1 J0451-17
J0551-34 R0409
10
J0551-8 J0551-9
C0515
J0551-10
470pF
R0535J0451-14
1K
C0456
C0520
CLK NU
470pF C0407
NU470pF470pF
NU
C0448
470pF
C0447
470pF
J0451-18
C0441
470pFNU
J0501-1
J0501-15 9
8
C0486
470pF
C0429
470pF
NOISE_BLNKR
C0453NU470pF
NU470pF C0455
J0501-10
J0501-11
C0493
J0501-12
470pF470pF
NUC0468
J0451-9
C0485
470pF
NUC0462
470pF
LOCK_CNTLR_1DISCAUDIO_CNTLR_1 J0551-30 J0551-35
J0501-16
C0505
470pF
J0551-38
C0538
470pFNU C0408
NU
82pF
470pFNUC0534 C0533
470pF
NU
C0532
470pFNU
C0464
470pFNU
J0551-11
J0551-2 J0551-16MOSBIAS_3_CNTLR_1 0.1uF C0593NU0.1uF C0554
0 R0533
470pFNUC0521
C0488 470pF C0508
470pF C0511
C0512470pF
J0501-8 CLK
470pF
2
470pF C0477
C0442
J0501-2
470pFNU
NU 470pF
47KCSX C0560
R0529J0551-21 J0401-11J0451-5
J0551-3
C0576
NU 470pFPASUPVLTG_CNTRL_1
VR0503
20V J0401-4
R0592
10
C0591
0.1uF
9V3_CNTLR_2 J0451-6
TEMPSENSE_CNTLR_1
470pFNUC0443 C0463
NU470pF
J0551-14
J0501-19 J0551-4
VR0504
470pF C0504
33V
NU
470pF C0519C0427
470pF
J0451-3
470pF C0516
C0494 .01uF
MODIN_CNTLR_1 J0451-12
C0522
470pFNU NU 470pF
C0575C0559
RESET
TEMPSENSE
NU 470pF
C0537
470pFNU
470pF C0513
470pF C0478
0 R0482R0481
0
8CLK_CNTLR_2
C0445
470pFC0446
470pF
J0451-13
J0551-26
J0501-13
220
R0537J0501-3
470pFC0514
C0498
NU470pF
J0551-36NU
470pF
NU470pF
C0444 C0461
0 R0527
0
R0528J0551-1516_8MHZ
82pFC0517
J0551-25
J0501-7 J0401-8
J0501-6 J0401-5
J0551-31
J0501-4 J0501-18
470pFNUDISCAUDIO
MOSBIAS_2C0536470pF C0484470pF
NUC0466
J0551-18 J0551-23
J0551-17
470pFNUC0460
27KR0541MOSBIAS_3 C0430
PA_PWR_SET_1_CNTLR_1 470pF
82pF
J0401-6
C0421
J0451-1
0.1uF C0592
C0406
NU470pF
1 10
J0551-22
RESET_CNTLR_1
0
R0530R0401
220
CLK_CNTLR_1
C0518
470pFNU
5V
C0401
82pF
C0491 470pF C0502
470pF
J0551-13J0451-7
R0591J0451-8
100K 24K
R0511CSX_CNTLR_1
3
C0483
470pF
J0551-40
DATA_CNTLR_2
J0551-20 C0409
470pFJ0451-11
NU
4.7K4.7K
R0539R0510J0501-14 DATA_CNTLR_1 J0451-4
J0451-15
470pF C0506
5V_CNTLR_1
R0538
220 J0551-39
J0551-12CNTLVLTG
J0501-9
C0542TP0481
1
47uFJ0551-29
15K R0512
C0503
390nH
NU
470pF
J0401-9
7L0482
560 R0531
C0451NU NU
470pF
470pF
DISCAUDIO
HANDSET_AUDIO HANDSET_AUDIO HANDSET_AUDIOUART_TX UART_RX
UART_RX
UART_TXRSSI RSSI
GP6_IN_ACC10
BOOT_CNTRL
5VD
C0452
FLT_A+ BUS+ 5VD
RSSI EXT_SWB+UART_TX UART_TX
UART_RX UART_RX
UART_TX UART_RX
GP4_IN_OUT_ACC8GP3_IN_ACC6RDY RDY
RDYOPT_PTT
OPT_PTT OPT_PTT
OPT_PTTINT_MIC INT_MIC INT_MIC
SPKR+ SPKR+
DISCAUDIO
GP7_IN_OUT_ACC125VD
GP4_IN_OUT_ACC8
EXP1_CSEXP_BD_REQ EXP_BD_REQ
EXP_BD_PTT EXP_BD_PTT
EXP_BD_REQ
EXP_BD_PTTCH_ACT CH_ACT
CH_ACT
DISCAUDIO
FLT_A+SCI_TX
SPKR+ GP1_IN_ACC3
RX_FLAT_FILTERED_AUDIOEMERGENCY_CONTROLGP5_IN_ACC9SPKR+
SPKR-
ON_OFF_CONTROLOPT_CS RDY
GP4_IN_OUT_ACC8
SPI_CLK
EXP_BD_PTT
DISCAUDIO EXP_BD_PTT
SPI(0:10)
RX_ADAPTMOSBIAS_3VS_MIC VS_MIC
EXT_MICSPKR-
FLAT_TX_RTNFLAT_TX_RTN
DISCAUDIO
16_8MHZ5V_RF
MODIN NOISE_BLNKRMOSBIAS_2 PA_PWR_SET EXP1_CS 9V3FLAT_TX_RTN FLAT_TX_RTN
GP4_IN_OUT_ACC8 GP4_IN_OUT_ACC8
GP8_IN_OUT_ACC14CH_ACT SPI_DATA SPI_MISO EXP_BD_REQ EXP1_CS
FLT_A+ FLAT_TX_RTNBUS+ BUS+RESET RESET ON_OFF_CONTROL ON_OFF_CONTROL
RESETEXT_MIC EXT_MICSPKR- SPKR-
RESET
PASUPVLTG
BUS+ GP2_OUT_ACC49V3 TEMPSENSECNTLVLTG
RSSI
LOCK5VD 5VD
FLT_A+ FLT_A+
SPI_DATA
SPI_CLK
SPI_MISO
VS_CS
OPT_CS OPT_CS
SPI_DATA TX_AUD_RTNVS_CS VS_MIC
SPI_CLK FLAT_RX_SND
RX_AUD_RTN
URX_SND TX_AUD_SND
VS_INT5VD
VS_AUDSEL
VS_GAINSEL
SPI_MISO
VS_RAC
IGNITION_CONTROLFLT_A+
ZWG0130230 A
NOTE
                   VR0521    R0523    R0527    VR0522    R0524     R0528
MDC/Sel5      NU           NU       Used         NU           NU         Used
MPT              Used       Used       NU         Used        Used         NU
See NOTE See NOTESee NOTESee NOTE
See NOTE
See NOTE
100 R0408
INT_SWB_CNTLR_1
INT_SWB
INT_SWB+C0499
470pF
Note
Note: Fuse is part of PCB
In case fuse is blowen, replace
it with R0410 P/N 0662057B47
Pin  1 to 16 used for standard accessories
Pin 17 to 20 for special use
Controller T2 
Schematic Diagram - IO
ZWG0130230-A