Casio Qt 6100 Service Manual

— 39 —
[ 16 ] RS232C PORT test
[Function]
  This is the RS232C test.
  The loop back test for RS232C port is performed by making the connection shown in the figure.
  Refer to [ 17 ] RS232C PORT batch test the figure for RS232C port connection.
[Operation]
  Operation :  x  n  0  4  d  ST
x:  Baud rate selection
  0 = 2400 bps, 1 = 4800 bps, 2 = 9600 bps, 3 = 19.2 kbps, 7 = 115 kbps (COM 1 only)
n:  0 = One time check (can be omitted)
  not 0 = Continuous check (To stop the test, press "ESC" key)...

— 40 —
[ 17 ] RS232C PORT batch test
[Function]
  This is the RS232C port batch test.
  The loop back test for RS232C port is performed by making the connection shown in the figure.
  The  loop  back  test  is  performed  from  COM1  to  COM  3  by  the  following  setting  by  one  time 
check.
  When performing this test, fix loop back connectors to all COM ports.
[Operation]
  Operation :  4  0  ST
Baud rate: COM1: 115 kbps, COM 2 - 6 : 9600 bps
Check time: one time
[LCD]
COM BATCH   40 
RTS1=1 
...

— 41 —
[ 18 ] Ethernet test
[Function]
  This test will check the counter-communication of Ethernet.
  Always make the receive ECR in the wait mode first and then send data from the send ECR.
  The counter of the number of successful/failed communication to the LCD is displayed after the 
communication normally starts. It is printed after the test.
 NOTE:  Please  use  the  Hub  or  the  crossing  cable  for  connection  between  the  receive  ECR  and 
the send ECR. 
* Send/receive data
[LCD]
[PRINT]
1....

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[ 19 ] MAC (Media Access Control) Address SET
[Function]
  This test will write the MAC address.
[Operation]
*   Once  an  ID  is  set,  make  sure  to  perform  the  test  using  this  ID.  When  changing  the  ID,  turn  the 
power on again.
 x  0  9  5  1  ST
[LCD]
[PRINT]
MAC ADDRESS  x0951
xxxxxx
END    x0951
MAC ADDRESS  x0951
xxxxxx
END    x0951
x : Writing the address
1 : Writes the address by manually writing the MAC address
In the manual input mode, the test enters the wait mode for the...

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[ 20 ] Time setting / [ 21 ] Time display
[Function]
  This sets the time and date.
   When setting the time, the time and date will be displayed without inputting the fixed value.
[Operation]
  * Date and time setting
  Operation :  x1  x2  x3  x4  x5  x6  0  a  7  0  ST
a:  0: time setting x1/x2: time, x3/x4: minutes, x5/x6: second
  1: time setting x1/x2: year, x3/x4: month, x5/x6: day
    The test will be done one time.
  * Date and time display
  Operation :  7  0  ST
    To stop the...

— 44 —
[ 23 ] Buzzer test
[Function]
  This test will check the buzzer function.
  Ring the one-shot buzzer.
[Operation]
  Operation :   n  0  9  2  ST
n:  0 = One time check (can be omitted)
  not 0 = Continuous check (To stop the test, press "ESC" key)
[LCD]
[PRINT]
BUZZ  n092
END   
n092
BUZZ  n092
END   
n092
[ 24 ] OBR test
[Function]
  This  is  a  scanner  test.  The  test  enters  the  wait  mode  for  the  scanner  input,  and  waits  only  for 
scanner.
  The  test  determines  the...

— 45 —
[ 25 ] MCR test
[Function]
  This is a card reader (MCR) test. The test enters the wait mode for only MCR input.
  The  test  judges  the  result  between  OK  and  NG  by  the  comparison  between  already  set  data 
and read data. 
[Operation]
  Operation :   9  6  ST
        Press [ESC] key to end the test manually.
[LCD]
  MCR1 indicates track 1 while MCR2 indicates track 2 in the display.
  * Normally ended (both track 1 and 2)
MCR   96
MCR1    O
K
MCR2    O
K
END   
96
MCR2 ERR...

— 46 —
[ 26 ] Charging test 
[Function]
  This test will turn off the charging function.
[Operation]
  Operation :  9  9  ST
[LCD]
CAHRGE OFF 99
END   
99
CAHRGE OFF 99
END   
99
[Print] 

— 47 —
8. CIRCUIT EXPLANATION
8-1. BLOCK DIAGRAM
POWER CORD
US820
ADP820AB
(SA165A-1932V-3) AC ADAPTOR
19V
SIGNAL ONLY
+5V SUPPLY
+5V SUPPLY
SDDJE10700POW S
W
OPTIONALDEVICE
OPTIONAL DEVICE
OPTIONAL
DEVICE
DRW I/FDC-INCOM3 COM2 COM1
PWB: E819-S
DRW I/F
AW1S22TEP-251ZBUZZER
OPTIONA
L
Drawer
Power Statu
s
LED
Disp On/Of
f
Init
PWB: E820-LE
D
PWB: E820-1
SW SW
HHR-21HL3G1BHHR-21HL3G1CBattery
SDCFB-XX-505CF CARDFCN-568H050-
G/A3CF card I/F
N010-0550-T717
D784215AGC2728EU-
A
iButton
I/O ctrl.
CF
L...

— 48 —
8-2. LSI BLOCK DIAGRAM
BUZZER
DRAWER DRIVE x 2
COMPULSORY SW x 2
LOAD x 2
CLOCK x 2
D ATA x 2
SERIAL I/F ISDN(MODEM)PORT
10M/100MBASE
SH BUS
80Mh
z
PCI BUS 33Mh
z BUFFER
(IC8, 13, 17)
SDRAM256MB(IC12)
FROM
128MB (IC1)
SVGA
TFT PANEL (12.1inch
)
TOUCHPANEL
DALLAS KEY
DISPLAY
ON/OFF SW
DRAWER PORTX 
2
SOFT
WARE KEY
LCDC IC
(IC45)
SERIAL I/F 3.3V    5
V
CPUSH-4
SH-7751R
240MHz(IC26)
I/O
CONTROLLER
78K4
12.5MHz (IC44) BUFFER
(IC4, 5, 6, 7) RS232C 
×
 1
(COM1)
CF CARD SLOT
Ethernet IC
(IC28) EEP
ROM...