Fresenius Medical Care 4008 E Technical Manual page 406

Fig.: Block diagram P.C.B. LP 634 Output board
EN1
Latch
UF_P_CTRL
UF_P_EN
UF_P2_CTRL
EN2
Latch
EN3
Latch
EN4
Latch
EN_CPU2
EN6
Latch
Control bus
Address
de-
Address bus
coding
EN7
Latch
Data bus
Bus
driver
EN8
Latch
EN9
Latch
EN10
Latch
EN5
Latch
Oscilla-
tor
EN11
Latch
D/A
U_ref
EN12
Latch
Fresenius Medical Care
+AIRSEP_P
UF_P1
UF_P2
V31 V35
V32 V36
GAL
V33 V37
V34 V38
CONC_P
Micro-
control-
ler
BIC_P
&
V24
& V24 V91
V24B V24b V102
V26 V126
V87 V130
V30 V86
V41 V99
V43 V104
V84
SN_EN HDF_LOG1
SNST PROG_LOG2
CPU_OFF VENT_VALVE
V_ADS
CLR_ALARM CPU_AKKU
HOT_RINSE HEAT_OFF
TEST_BATT STAFF_CALL
TL_RED
BPST_ART BPSST_VEN
BPSST_ART HDF_SEL
CLAMP_CTRL TL_YELLOW
BPST_VEN TL_GREEN
GAL
Counter FLOW_P
DEGAS_P
TEMP_SET DAC_BLL
DAC_DIM DAC_X
TEMP_ADJ DAC_P_ZE
STEUER_EP BIBAG_TEMP_AJ
STEUER_FP
V_ZKV1
V_ZKV2
VY5
FREE_OUTP
4008 4/09.03 (TM)
8.14.2 Circuit diagram and component layout diagram
P.C.B. LP 634 Output Board
8-109 8-110
Fresenius Medical Care 4008 4/09.03 (TM)
P.C.B. LP 634
Component layout diagram