Sharp AR-M351N, Service Manual

Page: 271 / 276

AR-M351U/M451U, AR-M355U/M455U ELECTRICAL SECTION 13 - 23
*1: Multi paper feed tray vertical size detection
*2: Options
XSYNC LSU horizontal sync
detection signal LSU horizontal sync
detection (BD sensor
signal) — — 16 4 PCU
XTHV+PWM Transfer charger output
control signal (THV+) Transfer charger output
control (PWM control) — — 15 6 PCU
XTHV-PWM Transfer charger output
control signal (THV-) Transfer charger output
control (PWM control) — — 15 9 PCU
XTHVREM Transfer charger control
signal (THV) Transfer charger ON/OFF
control ON OFF 15 12 PCU
XTRC Paper transport roller
clutch control signal Paper transport roller ON/
OFF control — — 13 12 PCU
XTRC_DSK Paper transport timing
signal Paper transport timing — — 11 18 PCU
XVFM1_PWM Cooling fan control signal Cooling fan control Max. air flow OFF 16
16 23
26 PCU
XVFM2PWM Heat exhaust fan control
signal Heat exhaust fan control Max. air flow OFF 4 22 PCU
XVIDEO Image signal Image signal to the LSU — — 16 14 PCU
Vertical size detection: Connector level Paper size
Multi paper feed tray 1 M1SS1 M1SS2 M1SS3 M1SS4
AB series Inch series China series
Multi paper feed tray 2 M2SS1 M2SS2 M2SS3 M2SS4
1 L L H L B5 Extra K16
2 H L H L A4
A5R
LT
INVR
A4
A5R
3 H L L L B5R EX-R K16R
4 H H L L A4R LTR A4R
5 L H L L Foolscap Extra Foolscap
6 L H L H B4 LGL K8
7 L L L H A3 WLT
0 H H H H Tray not installed
No. CV_SIZE3 CV_SIZE2 CV_SIZE1 CV_SIZE0 Paper size
0 0 0 0 0 none
1 0 0 0 1 A3
2 0 0 1 0 A4
3 0 0 1 1 LT
4 0 1 0 0 B4
5 0 1 0 1 LG
6 0 1 1 0 WLT
7 0 1 1 1 INV
8 1 0 0 0 B5
9 1 0 0 1 Extra
10 1 0 1 0 A5
11 1 0 1 1 F4
12 1 1 0 0 A4R
13 1 1 0 1 B5R
14 1 1 1 0 LTR
15 1 1 1 1 A5R
Signal name Name Function/Operation
Connector level
Connector
No.
Pin
NO.
PWB
name
Remark
L H