Service manual

1. GENERAL
1.28 Service Manual BSM-4100
Block Diagram
MAIN Board
DPU Board
Motherboard
Analog Boards
Power SW Board
Main ASIC
ACORN
(CPU Peripheral)
SRAM
256 k x 16
Flash ROM
512 k x 16
MC68SEC000
20 MHz
Rec Bus = Address, Data, Control signal
Recorder ASIC
RACOON
(Recorder Control)
MC68SEC000
20 MHz
Host CPU
Boot ROM
64 k x 16 EPROM
System ROM
1 M x 16 Flash
Super
Capacitor
System RAM
512 k x 16 SRAM
Backup RAM
32 k x 8 EEPROM
Lithium
Battery
Real-time
Clock
Main System Bus = Address Bus, Data Bus, Control signal Bus
Chip select
lines
Recorder
Unit
+5 V
+24 V
Buffer
Recorder
Interface
AUX
Socket
RxD
TxD
From Analog RGB I/F
QI-101P
QM-421P
+5 V
+3.3 V
PCMCIA Card
Interface
ATA Card
Interface
RxD
TxD
Remote
+3.3 V
Reset
IC
/Reset
WDT
/Reset
/Reset
Power Supply
Unit
+15 V_PS
AC/Battery
SW
V
BUS
DC to DC
Converter
DC to DC
Converter
Battery Pack
Option
V
BUS
Buzzer
Buzzer
Driver
Battery
Interface
Power Supply
Microcontroller
8-bit
to
LED Driver
XTAL
2 MHz
Reset at Power Fail
Reset
IC
3.3 V_PS
+24 V
+3.3 V
+5 V
Graphic ASIC
IBIS
(LCD Control)
R (5:0), CLK, G (5:0), H_Sync B (5:0), V_Sync
R
G
B
Analog RGB
Interface
LVDS
Interface
Connection Board
TFT LCD
800 x 600
Touch
Screen
To
AUX Socket
Inverter
V
BUS
Touch screen
Controller
+5 V
Function
Dial Board
Operation
Board
CG RAM-1
2 M x 32 SDRAM
CG RAM-2
2 M x 32 SDRAM
C RAM
512 k x 8 SRAM
snd (7:0)
Alarm Indicator
Interface
V
BUS
V
BUS
FM Sound
Generator
Alarm
Indicator
Board
Power
Switch
LED
Driver
from Power Supply
Microcontroller
V
BUS
ECG Socket
NIBP
SpO2
Multi 1
Multi 2
Multi 3
Analog ECG
and Resp
12 lead
ECG
ECG
RESP3
SpO2
MP1
MP3
A to D Converters on
ECG RESP3 and MP1 boards
Serial communication
Speaker
1.5 W
Floating Power Supply
Floating Transfer
V
BUS
/Reset
Reset
IC
+3.3 V
/Reset
WDT
DPU ASIC
SYLPH
(A to D Control)
Bus
Buffer
Bus
Buffer
Reset
TxD
RxD
+8 V
ZB-800P
Interface
DC to DC
Converter
V
BUS
Analog
Power
Supply
Reset
TxD
RxD
Interrup /DTACK /Reset
DPU Bus = Address Bus, Data Bus, Control signal Bus
System RAM
512 k x 16 SRAM
System ROM
256 k x 16 Flash
MC68SEC000
20 MHz
Common RAM
256 k x 16 SRAM
CPU
Local CPU
/Reset
Interrupt /DTACK /Reset
NIBP Safety
NIBP Measure
ECG
RESP2
ECG RESP1
ZB Socket
1700 V AC max