Nellcor NPB-190 Service Manual page 83

035191
PICPWR
I205
CR19
R129
1N914S
10.0K
PWRIND-L
3 1 1
R94
2 2
4.75K
2N3906S
Q15
1 1
CR21
3 3
1N914S
I207
I206
ACIND_L
3 3 1 1
R97
249
RPWR_IND
AC LED DRIVE CIRCUIT
VDD
R82
4.75K
2 2
2N3906S
AL_SIL_IND
1 1 Q12
3 3
I208
I209
R103
249
RAL_SIL_IND
ALARM SILENCE INDICATOR DRIVE CKT
VDD
R83
4.75K
2 2
2N3906S
PSRCH_IND
Q13
1 1
3 3
I210
I211
R105
249
RPSRCH_IND
PULSE SEARCH IND DRIVE CKT
VDD
R84
4.75K
2 2
2N3906S
BATT_IND
1 1 Q14
3 3
I212
I213
R106
249
RBATT_IND
BATTERY IND DRIVE CKT
VDD VREF VDD
PICPWR
R90 R85
10.0K 10.0K
RP4
10K
J5
PWR_BTN 1 1
RPWR_IND 2 2
RBATT_IND 3 3
BTN_4 4 4
BTN_1 5 5
6 6
7 7
RPSRCH_IND 8 8
BTN_2 9 9
BTN_5 10 10
BTN_3 11 11
RAL_SIL_IND 12 12
13 13
CON_FLEX13
MEMBRANE PANEL CONNECTOR
Figure S-10
Indicator Drive Schematic Diagram (Sheet 8 of 10)
S-25