DOWNLOAD Sharp AR-651 (serv.man9) Service Manual ↓ Size: 199.17 KB | Pages: 12 in PDF or view online for FREE

Model
AR-651 (serv.man9)
Pages
12
Size
199.17 KB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Control panel
File
ar-651-sm9.pdf
Date
PREV: Sharp AR-651 (serv.man8) Service Manual

Sharp AR-651 (serv.man9) Service Manual ▷ View online

AR-651/810  CONTROL PANEL  5 - 9
(4) Data transmission
(3) LCD drive operation
The following describes the drive operation to display the message “READY”.
(a) The System CPU requests the
PROM data to display “READY”.
(b) The PROM outputs data to display
the message to the System CPU.
(c) The System CPU writes the data to
be displayed on the LCD into the
RAM.
(d) The LCD controller/driver reads the
display data from the RAM, and out-
puts the data to the LCD.
PROM
CPU
R
A
M
LED
LED
LCD
KEY CPU
PWA-F-DSP-300
PWA-F-SYS-300
GA
LCD
System
(a)
(b)
(c)
(c)
(d)
(d)
LOAD
FRAME
LOAD
240
1
2
240
CP x(320/4) pulses
1
2
240
1/tF
1/tF
1
2
FRAME
D0-D3
CP
controller
driver
PWA-F-SYS-340
PWA-F-DSP-340, PWA-F-MKEY-340, PWA-F-SKEY-340
Key switches
and
touch panel
AR-651/810  CONTROL PANEL  5 - 10
LDON0
"L"
"L" 17
D7
Q3
IC8(7932)
R3
(COPY)
5VL
LED4
G
5. 4. 2.  LED display circuit
(1) Method of LED display
ex) Displaying “COPY”
The transistor is turned ON when the LDON 0 signal becomes “L” level.
Also, when IC8-17pin (D7) changes to “L”, the current flows from 5VL via the transistor to LED4 (“COPY”)
to turn ON LED4 (“COPY”).
Current
Conditions to turn ON the LED
(a) The transistor (Q3) connected to the LED anode is ON.
(b) The output from the cathode side of the LED is “L” level.
The LED is turned ON when (a) and (b) are satisfied.
AR-651/810  CONTROL PANEL  5 - 11
5. 5.  Disassembly and Replacement
[A] Control panel unit
(1) Open the front cover and take off the front side
right inner cover, toner cartridge drive unit and
toner recycle unit.
(2) Remove 2 screws and take off the control panel
bottom cover.
(3) Disconnect 3 connectors, remove 2 screws,
release harnesses from 2 clamps and take off
the control panel unit.
Control panel bottom cover
Connector
Clamp
Connector
Connector
Connector
Connector
DSP board
(4) Remove 10 screws, disconnect 2 connectors
and release the bracket after disconnecting 1
connector at the counter.
(5) Disconnect 7 connectors, remove 6 screws and
take off the DSP board.
AR-651/810  CONTROL PANEL  5 - 12
(6) Remove 9 screws and take off the MKEY board.
(7) Remove 8 screws and take off the SKEY board.
(8) Remove 4 screws and take off the LCD panel.
MKEY board
SKEY board
LCD panel
Page of 12
Display

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AR-651 (serv.man25) AR651 810 Operation Manuals User Manual / Operation Manual 127 3.81 MB
AR-651 (serv.man24) AR651 810-Parts Guide Service Manual / Parts Guide 127 22.77 MB
AR-651 (serv.man2) Specifications Service Manual / Specification 15 120.76 KB
AR-651 (serv.man51) The improvement for image glossy lines due to grease of cleaning roller. Service Manual / Technical Bulletin 2 82.16 KB
AR-651 (serv.man43) Change of the PWB unit in the laser optical unit. Service Manual / Technical Bulletin 1 104.34 KB
AR-651 (serv.man44) Change of torque limiter. Service Manual / Technical Bulletin 1 91.88 KB
AR-651 (serv.man45) Parts change information regarding the lower frame and inversion open guide part 1. Service Manual / Technical Bulletin 2 155.27 KB
AR-651 (serv.man46) Measure to prevent breakage of one way bearing on cleaning web. Service Manual / Technical Bulletin 3 272.27 KB
AR-651 (serv.man47) Revision of illustration of 4 Lower frame section in the parts guide Service Manual / Technical Bulletin 2 353.24 KB
AR-651 (serv.man48) ROM upgrade ... (5) Service Manual / Technical Bulletin 10 153.94 KB
AR-651 (serv.man49) Change of parts to extend service life of paper feed section roller. Service Manual / Technical Bulletin 6 480.62 KB
AR-651 (serv.man50) The improvement for displaying tandem LCF check paper Service Manual / Technical Bulletin 6 1.64 MB
AR-651 (serv.man32) Correction of SRAM parts code. Service Manual / Technical Bulletin 1 12.92 KB
AR-651 (serv.man52) The improvement for waving vertical lines in the rear side of the copy image Service Manual / Technical Bulletin 2 240.2 KB
AR-651 (serv.man53) Correction for loss of image 1 3 from the trail edge Service Manual / Technical Bulletin 1 12.31 KB
AR-651 (serv.man54) Countermeasure for background CD3 error near toner empty-toner recycle pipe blockage. Service Manual / Technical Bulletin 2 32.94 KB
AR-651 (serv.man55) Change of part code of PWB unit listed in the fusing drive section in the part guide 24 . Service Manual / Technical Bulletin 1 22.35 KB
AR-651 (serv.man56) Correction of parts codes of pulleys on the reversion drive unit listed in the part guide 13 . Service Manual / Technical Bulletin 1 14.8 KB
AR-651 (serv.man57) Improvement carried out to stop EB5 jam, due to over running of the paper stop position. Service Manual / Technical Bulletin 1 8.1 KB
AR-651 (serv.man58) ROM upgrading (4) Service Manual / Technical Bulletin 8 46.83 KB
AR-651 (serv.man59) Required attention when installing the OPC drum to the cleaner unit. Service Manual / Technical Bulletin 2 855.9 KB
AR-651 (serv.man41) Change of the PWB unit in section 88 (RADF hinge) of the parts guide. Service Manual / Technical Bulletin 1 102.84 KB
AR-651 (serv.man26) Improvement against wrong detection of CD1 and CD2 Service Manual / Technical Bulletin 2 282.46 KB
AR-651 (serv.man27) 1 Change in sensors and screws to comply with RoHS, 2 One part code available for seal part, 3 Providing commonality of parts and discontinued use of arrow labels, 4 Change in cassette shafts to comply with RoHS, 5 Change in bushings. Service Manual / Technical Bulletin 4 172.22 KB
AR-651 (serv.man28) ROM upgrade 9, Sys ROM 013, UI ROM 012, Main ROM 16, Laser ROM 09, Scanner ROM 08, PFC ROM 08, RADF 03. Please contact TP Matrix for upgrade cards. Service Manual / Technical Bulletin 2 15.69 KB
AR-651 (serv.man29) Correction to parts code and illustration of upper cover rear and upper cover right. Service Manual / Technical Bulletin 1 17.52 KB
AR-651 (serv.man30) Discontinued use of coupling seal. Service Manual / Technical Bulletin 1 16.1 KB
AR-651 (serv.man31) Correction of SRAM parts code. Service Manual / Technical Bulletin 1 15.71 KB
AR-651 (serv.man33) Correction to parts guide. Service Manual / Technical Bulletin 2 59.02 KB
AR-651 (serv.man34) 1 Change in solenoids and automatic toner sensors (adaptation to RoHS). 2 Addition of sensor protection sheet. Service Manual / Technical Bulletin 3 50.87 KB
AR-651 (serv.man35) Change of TRU rail Service Manual / Technical Bulletin 1 23.14 KB
AR-651 (serv.man36) Correction to the parts code and illustration of the upper cover rear and upper cover right. Service Manual / Technical Bulletin 1 17.47 KB
AR-651 (serv.man37) ROM Upgrade...7 - Main ROM 15 Service Manual / Technical Bulletin 1 85.99 KB
AR-651 (serv.man38) Change in the manual feed tray shape and corrections to screw description. Service Manual / Technical Bulletin 2 165.15 KB
AR-651 (serv.man39) Lens cover design change. Service Manual / Technical Bulletin 1 80.18 KB
AR-651 (serv.man40) Modification of the tip shape of the drum pick off pawl. Service Manual / Technical Bulletin 1 67.67 KB
AR-651 (serv.man42) Change in length of screw for the drum drive unit. Service Manual / Technical Bulletin 1 83.74 KB
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AR-651 (serv.man60) MSDS F-31171 Regulatory Data 4 404.69 KB
AR-651 (serv.man61) MSDS F-01171 Regulatory Data 4 425.15 KB

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