Nokia NSE-6 SERIES Service Manual page 96

testpoint ref
J101
J104 CCONTCSX (CCONT chip select)
J108 CHRG_CTRL
J220
J223 CCONTINT (charger, RTC interrupt)
J225 EXTSYSRESETX
J226
J227 PURX (power on reset)
J228 SLEEPCLK (32kHz clock)
J235
J251
J256
J500 Control voltage for UHF VCO module G600
J504 Control voltage for VHF VCO circuit
J508 VSYN_2 ( regulated supply for PLLS )
J534&J536 13 MHz IF output to N250
J538 13 MHz output from Z620 to N620
J542 VHF VCO output ( 232 MHz )
J554 TXC ( TX power control voltage )
J556 TXP ( TX enable )
J558 TXQP ( other half of balanced Q–signal )
J560 TXIP ( other half of balanced I–signal )
Original 08/98
name
FBUS_TX
charger connected
V5V
VCXOPWR
ROM1SELX
AGND
COBBADAX
–95 dBm @ X540
(ext. RF connector )
RXC at level of full
–95 dBm @ X540
(ext. RF connector )
RXC at level of full
condition dc–level
active state pulsed DC (0V72.8V)
active state pulse active 0V, non–active 2.8V
pulsed DC (0V/2.8V)
active state nominal 5.0V (min 4.8V, max 5.2V)
interrupt pulse active 2.8V, non–active 0V
power on reset state 0V, normal state 2.8V
power on active state 2.8V, non–active 0V
power up/down reset state 0V, normal state 2.8V
power on pulsed DC (0V/2.8V)
active state pulse active 0V, non–active 2.8V
pcb ground 0V
active state pulse active 0V, non–active 2.8V
channel 60 2.25 +/– 0.25 V
channel 1 > 0.8 V
channel 124 < 3.7 V
typ. 2.0 –2.2 V min 0.5 / max 4.0 V
2.8 V min 2.7 / max 2.85 V
typ ca. 1.0 – 1.1 V pulsed
min. 0.7 / max. 1.4 V
calibrated gain
typ. ca. 1.5 V pulsed
calibrated gain
–
@level 19 typ. ca. 0.6 V pulse
@level 5 typ ca. 1.8 V pulse
2.8 V logic level pulse,
( max. 0.8 V "0" / min 2.0 V "1" )
0.8 V pulsed
0.8 V pulsed
System Module US8 NSE–6
ac–level
typ. 50 mVpp balanced voltage at 13 MHz
typ. ca 600 uVrms
typ. 400 mVpp.
> 100 mVpp required
400 mVpp
400 mVpp
3/A3–14