63 69 149 D3561
55
D3561
.
076.01.07
.
02 02.2017
6 Overview of modules and boards
Dentsply Sirona
6.2 Patient chair
Service Manual Sinius / Sinius CS / Sinius TS
Function of the board
● Activation and evaluation of size adjustment
● Activation and evaluation of overstretch
● Communication with the other boards via CAN.
● Evaluation of the 4-way switch in the headrest.
V306
BOOT
(yellow)
Lights up after switching on and remains lit until completion
of the boot process (approximately 60 seconds)
If the board remains in the bootloader after this:
● No launch command has been received from the
download manager, as the software is not consistent.
● There is no connection to the HSA.
V405
Headrest stop M5
(yellow)
Connected directly to HR_stop (V416) on the HSA board.
ON: Movement lock due to active instrument
V502
Headrest tilt block M5
(yellow)
ON: Rocker motor brake active
V523
Headrest tilt M5
(yellow)
Headrest back
V525
Headrest tilt M5
(yellow)
Headrest forward
V602
OC headrest block M4
(yellow)
ON: Size adjustment motor brake active
V623
OC headrest M4
(yellow)
Extend size adjustment motor
V625
OC headrest M4
(yellow)
Retract size adjustment motor
Connector
X1
> L327 > M5 rocker
X1
> L337 > X11 > R3 rocker potentiometer
X1
> L321 > X16 > L329 > M4 size adjustment X4 / X16 R2 size adjustment potentiometer
X4
> L323 > X10 > L437 > X3 HSA
Components on the board