User Guide

PAMS
Technical Documentation
NSE–6
Disassembly & Troubleshooting Instructions
Page 36
Original 08/98
J117 SIMCLK_O 0
1
0
2.0
0.8
2.85
V Clock line to Sim (3.25MHz)
J118 SIMRST_O 0
1
0
2.8/4
.0
0.5
3.2/5
.2
V Sim reset line
J119 VCOBBA 2.7 2.85 V Supply voltage for analog part of COBBA
J153 GND 0 0 V
J154 MBUS 0
1
0
2.0
0.8
2.85
V Data I/O for external device and clock
signal from flash prommer to MAD2
J220 V5V 4.8 5.2 V Supply voltage for RF circuits. (VCP)
J221 5V 2.8 3.2 V Supply voltage for flash programming
(Vpp). Vpp will be switched on only dur-
ing flash programming.
J222 DSPXF 0
1
0
2.0
0.8
2.85
V Test point for fault diagnostic.
J223 CCONTINT 0
1
0
2.0
0.8
2.85
V Interrupt line from CCONT to MAD2.
Used for charger indication and RTC
alarm indication. If high, an interrupt is
generated.
J224 VSRM 5.2 5.5 V Supply voltage for flash programming
regulator N201 from CCONT (N100)
J225 EXTSYSRE-
SETX
0
1
0
2.0
0.8
2.85
V
V
Testpoint for fault diagnostic. If missing,
check power supply, PurX line and 13
MHz clock signal.
J226 EXTSYSRE-
SETX
0
1
0
2.0
0.8
2.85
V Testpoint for fault diagnostic. If missing,
check power supply, PurX line and 13
MHz clock signal.
J227 PurX 0
1
0
2.0
0.8
2.85
V Power up reset line from CCONT to
MAD.
If low, the bb circuits are in reset state.
J228 SLEEPCLK 0
1
0
2.0
0.8
2.85
V 32 kHz square wave clock from CCONT
to MAD.
J229 SELF TEST 0
1
0
2.0
0.8
2.85
V Self test pin. If short–circuit is made be-
tween testpoint J229 and J230, the self
test will be executed.
J230 GND 0 0 V