Motorola APX 7000 Detailed Service Manual page 259

Troubleshooting Tables: List of Board and IC Signals
U6501
Description
Pin No.
P3 V6_2.775
P4 V3_1.55
P5 GROUND
P6 V7_2.8
P14
A3 GROUND
A4
A11 F2_PARAMP
B11 MAKO_AD_TRIG
C4 GROUND
E1 PA_BPLUS
E3 UNSW_B+
E8 GROUND
F1 TWTR_SPKR_POS 1
F2 TWTR_SPKR_NEG 2
G1 EXT_SPKR_NEG
G2 PREAMP_POS
G3 PREAMP_NEG
H1 EXT_SPKR_POS
H2 VC_OUT_M
H3 VC_OUT_P
H4
J1
J2
Table 7-15. U6501 MAKO Pinouts (Continued)
MAKO Power Schematic
MAKO Power Schematic
MAKO Power Schematic
MAKO Power Schematic
N/C MAKO Power Schematic
MAKO Audio Schematic
VREF MAKO Audio Schematic
MAKO Audio Schematic
MAKO Audio Schematic
MAKO Audio Schematic
MAKO Audio Schematic
MAKO Audio Schematic
MAKO Audio Schematic
MAKO Audio Schematic
MAKO Audio Schematic
MAKO Audio Schematic
MAKO Audio Schematic
MAKO Audio Schematic
MAKO Audio Schematic
MAKO Audio Schematic
MAKO Audio Schematic
VCM2 MAKO Audio Schematic
N/C MAKO Audio Schematic
N/C MAKO Audio Schematic
Comment
Not Shielded
J1001_Pin 8,
J2101_Pin 5,
C6415, C6430
R6564, C6577
J1001_PIN 10
J4001_Pins 51,
J1001_Pin 28, 30,
J3001Pin 30,
F_UNSW_B+
P6401_Pin 1
P6401_Pin 2
J4001_Pin 58
J4001_Pin 60
Probe Points
Under Shield
C6578, R6563, R6577,
C6401, C6405, C6409,
R6561, R6582, C6580,
R6552, R6554, R6555
N/A
R4002, R4003, R4004,
J4001_Pin 26
–
N/A
C6423, R6424
R1016,
MAKO_AD_TRIG Test
N/A
L6503, C6565, R6423,
53, 55, 57 L6501, C6556, R6505
R6504, C6534
32, 34, 36
Test Point
N/A
N/A
N/A
–
–
7-41
C6412
Point
C6418
C6419
C6422