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602E52970
2-11
1
2
3
5
4
9
8
6 7
12
11
10
Fig. 2-10a Locating the motherboard components
8 QUARTZ CRYSTAL FOR ASIC
(16 MHz)
9 BACK-UP RECHARGEABLE
BATTERY FOR DYNAMIC RAM
(Li, 3 Volts, 72 hour duration)
10 CUSTOM COMPONENT ASIC
11 DYNAMIC RAM (512 kbytes)
12 SYSTEM BATTERY (Lithium, 3
volts, 5-year duration)
1 CARRIAGE MOTOR DRIVER
2 PAPER AND SCANNING MOTOR
DRIVER
3 CPU (WITH BUILT-IN MODEM AND
IMAGE PROCESSOR)
4 QUARTZ CRYSTAL FOR MODEM
CLOCK (20.736 MHz)
5 QUARTZ CRYSTAL FOR RTC
(32.768 kHz)
6 SYSTEM FIRMWARE EPROM
(256 kbytes)
7 STATIC RAM (8 X 8 kbytes)
Содержание DFC155
Страница 2: ...DFC155 DWC155c SERVICE MANUAL Part Number 602E52970...
Страница 88: ...602E52970 6 3 Fig 6 1 Fig 6 2...
Страница 133: ...Spare parts catalogue REF PART DESCRIPTION 1 602E52970 DFC155 DWC155c...
Страница 135: ...Spare parts catalogue REF PART DESCRIPTION 3 602E52970 ASSEMBLY DFC155 DWC155c...
Страница 139: ...Spare parts catalogue REF PART DESCRIPTION 7 602E52970 BASE AND ELECTRONICS BOARDS DFC155 DWC155c 7 8 6 5 4 3 2 1...
Страница 147: ...Spare parts catalogue REF PART DESCRIPTION 15 602E52970 INTERNAL MECHANISM 6 DFC155 DWC155c 8 9 10 11 12 13 14 16 15...
Страница 150: ...Spare parts catalogue 18 REF Part DESCRIPTION 602E52970 PART NUMBER INDEX DFC155 DWC155c...