10-8Troubleshooting Tables: List of Board and IC Signals

Table 10-6. U403 SRAM Pinouts (Continued)

U403

Description

To/From

Comment

Accessible

Pin No.

on Vocon?

 

 

 

 

 

 

 

 

 

 

 

 

 

B1

DATA 8

 

 

No

 

 

 

 

 

G6

DATA 7

R435**

 

No

 

 

 

 

 

F6

DATA 6

R434**

 

No

 

 

 

 

 

F5

DATA 5

R433**

 

No

 

 

 

 

 

E5

DATA 4

R432**

 

No

 

 

 

 

 

D5

DATA 3

R431**

 

No

 

 

 

 

 

C6

DATA 2

R430**

 

No

 

 

 

 

 

C5

DATA 1

R429**

 

No

 

 

 

 

 

B6

DATA 0

R428**

 

No

 

 

 

 

 

D6

VSW2

C411*

1.875 V

Yes

 

 

 

 

 

E1

VSW2

C411*

1.875 V

Yes

 

 

 

 

 

*Component located under a shield on the VOCON board

**No test point/component on the VOCON board – signal not accessible

Table 10-7. U401 MCU/DSP IC Pinouts

U401

Description

To/From

Comment

Accessible

Pin No.

on Vocon?

 

 

 

 

 

 

 

 

 

 

 

 

 

H10

EEPOT_INC*

C537

Active Low

Yes

 

 

 

 

 

J14

EXT_SPKR_SEL

Q505, pin 5

 

Yes

 

 

 

 

 

C14

AUDIO_PA_EN

R575

 

Yes

 

 

 

 

 

B14

HOST_WAKE

 

 

No

 

 

 

 

 

F6

BATTERY_ID

C556

 

Yes

 

 

 

 

 

E5

MECH_SW_BAR

Q508, pin 3

Active Low

Yes

 

 

 

 

 

J6

INT_PTT

R216

Active Low

Yes

 

 

 

 

 

J5

GCAP_INT

R538

 

Yes

 

 

 

 

 

J4

OPT_SEL1_IN

U201 pin 1

 

Yes

 

 

 

 

 

J3

UART_INT*

 

 

No

 

 

 

 

 

C16

8KHZ_INT

R406

8 kHz Pulse

Yes

 

 

 

 

 

G11

OPT_SEL2_IN

U202 pin 1

 

Yes

 

 

 

 

 

F1

KP_ROW0

C131

 

Yes

 

 

 

 

 

H4

KP_ROW1

C130

 

Yes

 

 

 

 

 

November 11, 2004

6881094C12-A

Page 142
Image 142
Motorola SSETM 5000 Eepotinc, Extspkrsel, Audiopaen, Hostwake Batteryid, Mechswbar, Intptt, Gcapint, OPTSEL1IN, Uartint