Motorola ASTRO XTS 5000 Detailed Service Manual page 171

7-28
U301
Pin
Description
No.
G4 HV_BG
G5 GND4
G10 OPT_GPIO2
G11 SW5_PHASE
G12 SW1_VDDHV
G13 SW1_VDD
G14 SW1_SUMCOMP_
DL
H1 EXT_SPKR_P
H2 VC_OUT_M
H3 VC_OUT_P
H4 VCM2
H5 GND8
H10 VBUS1
H11 SW1_VSEN_BUK
H12 SW1_VOUT
H13 SW1_DH
H14 SW1_GND
J1 EXT_MIC_M
J2 EXT_MIC_P
J3 VCM1
J4 GND3
TXDO_BDI_UP_3
J5 V
November 16, 2006
Table 7-10. U501 MAKO IC Pinouts (for kit NNTN5567)
To/From
C506
GND
NC
NC
R569 or
C510
C511
Q502 pin 4
J101 pin 9
R598
R597
C570
GND
NC
Q502 pin 1
C513
NC
GND
C559
C554
C562
GND
U301 pin K6
Troubleshooting Tables: List of Board and IC Signals
Comment
Bandgap Output at 1.231V
Switcher 1 Supply Input from SW_B+
5Vdc Output
Pulse Width Modulated Output at 5V
Analog Output, Positive External
Speaker PA Pin
Voice Codec Analog Output
Voice Codec Analog Output
Analog Input, External Mic Negative
Input
Analog Input, External Mic Positive
Input
Analog I/O
Accessible
on Vococn
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
No
6881094C31-E