Troubleshooting Tables: List of Board and IC Signals

10-21

 

 

 

Table 10-9. U501 GCAP II IC Pinouts (Continued)

U501

Description

To/From

Comment

Accessible

Pin No.

on Vocon?

 

 

 

 

 

 

 

 

 

 

 

 

 

H9

PA_DRV

NC

 

No

 

 

 

 

 

H10

PA_SENSE

NC

 

No

 

 

 

 

 

G7

PGM0

GROUND

 

Yes

 

 

 

 

 

H8

LS3_RX

NC

 

No

 

 

 

 

 

J10

DGND

GROUND

 

Yes

 

 

 

 

 

K10

LS3TX_PABPOS

GROUND

 

Yes

 

 

 

 

 

K1

MIC_OUT

U509 pin 6

AC Mic Signal

Yes

 

 

 

 

 

G4

STANDBY

R557

3.0V

Yes

 

 

 

 

 

K2

AUX_OUT

U509 pin 6

AC Mic Signal

Yes

 

 

 

 

 

H3

AUX_MIC_NEG

C538

Virtual Ground

Yes

 

 

 

 

 

J3

MB_CAP

C535

 

Yes

 

 

 

 

 

H4

EXT_MIC

NC

 

No

 

 

 

 

 

K3

MIC_BIAS

C535

 

Yes

 

 

 

 

 

J4

CD_CAP

C543

 

Yes

 

 

 

 

 

K4

VAG

C544

 

Yes

 

 

 

 

 

J5

V2

R560

3.0V

Yes

 

 

 

 

 

K5

VIN2

R502

3.77V

Yes

 

 

 

 

 

G5

ON2

NC

 

No

 

 

 

 

 

H5

EXTOUT

C533

AC RX Audio

Yes

 

 

 

Signal

 

 

 

 

 

 

K6

SPKR_OUT

NC

 

No

 

 

 

 

 

J6

SPKR_IN

NC

 

No

 

 

 

 

 

H6

SPKR_NEG

NC

 

No

 

 

 

 

 

H7

SPKR_POS

NC

 

No

 

 

 

 

 

K7

LS1IN_TG1A

GROUND

 

Yes

 

 

 

 

 

J7

LS1OUT_TG1

NC

 

No

 

 

 

 

 

G6

LS2IN_TG2A

GROUND

 

Yes

 

 

 

 

 

F6

LS2OUT_TG2

 

 

No

 

 

 

 

 

K8

ALRT_GND

 

 

No

 

 

 

 

 

K9

ALRT_OUT

NC

 

No

 

 

 

 

 

J9

ALRT_VCC

NC

 

No

 

 

 

 

 

6881094C12-A

November 11, 2004

Page 155
Image 155
Motorola SSETM 5000 Padrv, Pasense PGM0, LS3RX, Dgnd, LS3TXPABPOS, Micout, Standby, Auxout, Auxmicneg, Mbcap, Cdcap, Vag