Casio FX-9700GH Troubleshooting guide
FX-9700GH(LX-395AH)
MAR. 1995
R
(without price)
fx-9700GH
CONTENTS
1. SCHEMATIC DIAGRAM
1-1. Main PCB ................................................................................................... 1
1-2. Power Supply .............................................................................................2
2. SPECIFICATIONS............................................................................................. 3
3. OPERATION CHECK .........................................................................................4
4. DATA TRANSFER CHECK................................................................................8
5. DATA COMMUNICATIONS
5-1. Connecting Two fx-9700GE Units ............................................................9
5-2. Before Starting Data Communications ....................................................9
5-3. Setting Communications Parameters ....................................................11
5-4. Using ALL, Range, and Factor................................................................11
5-5. Data Communications Precautions .......................................................13
6. PIN FUNCTION.................................................................................................14
7. TROUBLESHOOTING......................................................................................15
8. DISASSEMBLY VIEW......................................................................................16
9. PARTS LIST .................................................................................................... 21
— 1—
1. SCHEMATIC DIAGRAM
1-1. Main PCB
— 2—
1-2. Power Supply
– 3 –
2. SPECIFICATIONS
Display system: 21-character ×8-line liquid crystal display; 12-digit mantissa and 2-
digit exponent for calculations; displays binary, octal, hexadecimal,
sexagesimal values, fraction, complex number
Power supply: Main: Four AAA-size batteries (LR03 (AM4) or R03 (UM-4))
Memory protection: One CR2032 lithium battery
Power consumption: 0.1W
Battery life: * Main: Approximately 650 hours with battery type LR03 (AM4)
Approximately 350 hours with battery type R03 (UM-4)
Approximately 2 years (power switch off) with LR03 (AM4)/R03
(UM-4)
Memory protection: Approximately 15 months
* The batteries that have been installed in this unit when user pur
chased it had been used in the factory test, so it will be impossible
to fully satisfy this specifications when these batteries are used.
Auto power off:
Power is automatically switched off approximately six minutes after last operation except when drawing
dynamic graphs.
Ambient temperature range: 0°C ~ 40°C (32°F ~ 104°F)
Dimensions: 20mm H ×85mm W ×172.5mm D (3/4" H ×33/8" W ×63/4" D)
Weight: 218.5g (7.7 oz) including batteries
Accessories: Hard case
TYP [µA] MAX [µA]
OFF 20.7
ON (MENU) 1430.22 2026.60
Current Consumption
– 4 –
3. OPERATION CHECK
NO. OPERATION DISPLAY NOTE
1
Turn the side switch (LOCK)
on and push the "RESET" but-
ton.
2
F1
3
SHIFT
AC
4
5
F6 ab/cAC
Press the above key at the
same time.
1
6
No Display
– – Lx370 TEST MODE – –
1. LCD
2. KEY
3. RAM
4. DET
5. TRS
0. Rst
RUN / COMP
G-type : RECT / CONNECT
angle : Deg
display : Norm 1
M-D/Cpy : M-Disp
ZOOM PLOT LINE CLS
✽ ✽ ✽ Lx370 TEST ✽ ✽ ✽
1. TEST MODE
2. Transmit
3. Exit
✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽
✽
✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽
✽
RESET
RESET ALL MEMORIES?
RESET ALLYES NO
✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽
✽
✽
✽
✽
✽
✽
✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽
RESET
ALL MEMORIES!
✽
✽
✽
✽
✽
✽
– 5 –
NO. OPERATION DISPLAY NOTE
7
8
EXE
EXE
9
10
11
12
No Display
FRAME Display
1
EXE
EXE
EXE
ALL DOT Display
CHECKER Display
REVERSE CHECKER Display
– – Lx370 TEST MODE – –
1. LCD
2. KEY
3. RAM
4. DET
5. TRS
0. Rst
– 6 –
NO. OPERATION DISPLAY NOTE
13
14
EXE
15
16
17
2
EXE – – Lx370 TEST MODE – –
1. LCD
2. KEY
3. RAM
4. DET
5. TRS
0. Rst
Trace
ZOOM...
3
– – Lx370 TEST MODE – –
1. LCD
2. KEY
3. RAM
4. DET
5. TRS
0. Rst
RAMSIZE 32K bytes
Press each key
sequentially as it
appears on the
display.
RAMSIZE 32K bytes
RAM OK After a few
seconds.
F1 F2 ........................... .
............................ EXP
Trace Zoom
(–)
– 7 –
NO. OPERATION DISPLAY NOTE
18
19
F1
SHIFT AC
20
0
No Display
✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽
✽
✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽
✽
RESET
RESET ALL MEMORIES?
RESET ALLYES NO
✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽
✽
✽
✽
✽
✽
✽
✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽
RESET
ALL MEMORIES!
✽
✽
✽
✽
✽
✽
– 8 –
4. DATA TRANSFER CHECK
• Turn off both units and connect them by using SB-60.
Function Display
Master Slave
1) Press the F6 , ab/cand AC key
at the same time.
2) 1
3) 5
4) 1
5) Slave: 2
Master: 1
✽ ✽ ✽ Lx370 TEST ✽ ✽ ✽
1. TEST MODE
2. Transmit
3. Exit
– – Lx370 TEST MODE – –
1. LCD
2. KEY
3. RAM
4. DET
5. TRS
0. Rst
= = = TRANSMIT Check = = =
1. COM Check
2. RANDOM Data Out
0. Self
1. Send
2. Receive
COM END WAITING
COM OK
✽ ✽ ✽ Lx370 TEST ✽ ✽ ✽
1. TEST MODE
2. Transmit
3. Exit
– – Lx370 TEST MODE – –
1. LCD
2. KEY
3. RAM
4. DET
5. TRS
0. Rst
= = = TRANSMIT Check = = =
1. COM Check
2. RANDOM Data Out
0. Self
1. Send
2. Receive
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