Model Number
#
Modification
Description
F22,F23
F24,F25
A20,A21
A22,A23
A24,A25 W 20,W 21 W 22,W 23 W 24,W 25 C24,C25
1 Main board modified
R430 jumper wire
imbedded
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01D*****
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01D*****
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2 Resistor R430 added
10 kilo-ohms added
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01A*****
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01A*****
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3
Constant of resistor
R181 modified
From 1.2 kilo-ohms to
750 ohms
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01A*****
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01A*****
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4 DIMM enhanced
From 16 MB to 64 MB
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01B*****
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01B*****
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5
Baud rate of customer
display enhanced
From 2400 bps to 9600
bps (except G version)
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01B*****
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01B*****
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6 Operating System
Not pre-installed
(except G version)
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01B*****
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01B*****
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7 Power supply modified Manufacturer changed
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01D*****
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01D*****
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8 Power supply modified Diffuser panel added
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02A*****
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02A*****
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02A*****
02A*****
9 CN1
Not implemented
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01D*****
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01D*****
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10 IDE interface buffer
IC18-23 not
implemented
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01D*****
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01D*****
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11
LAN LSI driver
software version-up
LSI manufacturer
demand
01J*****
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01J*****
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01J*****
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12 Hard disk enhanced
From 3.25 GB to 5 GB
01F*****
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01F*****
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01F*****
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13 LAN driver software
Software modified
01J*****
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01J*****
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01J*****
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14
Lower case modified
(1)
Battery replacement
simplified
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00F*****
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00A*****
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15
Lower case modified
(2)
Rubber foot frame
reinforced
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02B*****
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02B*****
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02B*****
02B*****
Modifica-
tion No.
Reason for modification
1
R430 jumper wire imbedded
2
Measures against locking up during LAN
communication
3
Brightened CRT connected to VGA output
4
User demand
5
User demand
6
User demand
7
Attainment of stable parts supplier
8
Holding down temperature rise of stainless case
9
Elimination of connector for debugging
10
Elimination of Ultra DMA trouble
11
Ceased production of the part
12
Better marketability
13
TP slowdown
14
User demand
15
Prevention of rubber foot frame from being broken
• How to read serial numbers (starting month of modifying the specifications)
Ex.)
Example) 02 A *****
Production number
Production month (A = January)
A = January
Production year (2002)
B = February
C = March
D = April
E = May
F = June
H = July
J = August
K = September
L = October
M = November
N = December
Содержание JS-170FR Series
Страница 2: ......
Страница 10: ......
Страница 30: ...1 20 ...
Страница 80: ...2 50 ...
Страница 101: ...3 17 LCD DISPLAY TEST 6 Video Test ENTER 1 OK or 2 NG ...
Страница 134: ...4 JS 170FR PCB s 4 1 Main PCB 4 1 1 Main PCB Schematic Diagram 1 10 4 1 ...
Страница 135: ...4 1 1 Main PCB Schematic Diagram 2 10 4 2 ...
Страница 136: ...4 1 1 Main PCB Schematic Diagram 3 10 4 3 ...
Страница 137: ...4 1 1 Main PCB Schematic Diagram 4 10 4 4 ...
Страница 138: ...4 1 1 Main PCB Schematic Diagram 5 10 4 5 ...
Страница 139: ...4 1 1 Main PCB Schematic Diagram 6 10 4 6 ...
Страница 140: ...4 1 1 Main PCB Schematic Diagram 7 10 4 7 ...
Страница 141: ...4 1 1 Main PCB Schematic Diagram 8 10 4 8 ...
Страница 142: ...4 1 1 Main PCB Schematic Diagram 9 10 4 9 ...
Страница 143: ...4 1 1 Main PCB Schematic Diagram 10 10 4 10 ...
Страница 144: ...4 1 2 Main PCB Parts Location 4 11 ...
Страница 145: ...4 2 MB PCB 4 2 1 MB PCB Schematic Diagram 4 17 ...
Страница 146: ...4 18 4 2 2 MB PCB Parts Location ...
Страница 148: ...4 3 Peripheral PCB 4 3 1 Peripheral PCB Schematic Diagram 4 20 ...
Страница 149: ...4 21 4 3 2 Peripheral PCB Parts Location ...
Страница 152: ...5 2 Main PCB 75 Peripherals ...
Страница 153: ...5 3 Power Supply Peripherals ...
Страница 154: ...5 4 Customer Display Peripherals ...
Страница 155: ...5 5 LCD Peripherals ...
Страница 156: ...5 6 Inverter PCB Peripherals ...
Страница 161: ...Printed in Japan ...