Lincoln Electric Ranger 305D Service Manual page 180

G-24
SCHEMATIC - ENTIRE MACHINE - CODE 11039 (L12038) PAGE 2 OF 2
AUXILIARY
SENSE
TOROID
WELDING
TERMINAL
CONTROL
SWITCH
(2)
SHOWN IN "ALWAYS
ON" POSITION (4)
IDLER
CONTROL
SHOWN IN "HIGH" POSITION
THERMOSTAT(IF USED)
MACHINE IDENTITY TABLE:
PINS JUMPERED TO SELECT MACHINE
J1-5 J1-6 J1-7 J1-8 MACHINE
RANGER 250 G&D
J1-13 RANGER 305 G&D
J1-13 VANTAGE 500
J1-13 VANTAGE 575
J1-13 AIR VANTAGE 500
TIG
4
CC
MODE
SELECTOR 3
SWITCH
A
(AUSTRAILIAN
VANTAGE 575 USES A
2
3 POSITION TOGGLE
SWITCH) PIPE
1
CV
+
+ STUD
- (206S)
SHUNT
50mV = 400 AMPS
+
- (204S)
- STUD
(208B)
(277)
(278)
10K
ARC CONTROL
POT
(279)
OUTPUT
10K
CONTROL POT
THE TOP END OF THE REMOTE POT IN
TIG MODE IS THE SETTING OF THE LOCAL
OUTPUT CONTROL POT.
IN EVERY OTHER MODE, THE REMOTE
POT WILL SET MACHINE TO MAX OUTPUT.
REMOTE
10K
CONTROL
POT
All manuals and user guides at all-guides.com
CHANGE DETAIL: RELEASED FROM "X"
No
ENGINEERING CONTROLLED
MANUFACTURER:
AUXILLARY
CURRENT
J3-3
SENSE
+ STUD
J3-4 +15V
J1-4
2-4 SENSE
J1-3
+15V
+ STUD
J3-7 IDLE SWITCH SENSE
J3-14 THERMAL LAMP
+15V
+ STUD
J3-5 THERMAL SENSE (if used)
IDLE CONTROL
J3-1
THERMAL SHUTDOWN (if used)
+15V
CURRENT LIMITS
+ STUD
REGULATION MODE
J1-13
J1-12 MACH SEL 1
J1-8
MACHINE /
MACH SEL 2
MODE
J1-7
BLINK (PULLED LOW AND HIGH
LOGIC
MACH SEL 3 IN LOOKBACK TO FLASH
DECIMAL POINT)
J1-6 (CPU)
MACH SEL 4
J1-5
+15V
+ STUD
J7-16
TIG MODE
J7-15
PIPE MODE
(NOT AVAILABLE ON AUSTRALIAN
J7-14
VANTAGE 575)
N/A
BLINK (PULLED LOW AND HIGH
IN LOOKBACK TO FLASH
J7-13
DECIMAL POINT)
N/A
J7-12
N/A
J7-11
CV MODE
J7-9
SELECT CONTROL POINT
ROCV ENABLE
(FOR AUSTRALIAN VANTAGE 575)
J7-10
+15V
DISPLAY WELD AMPS
CURRENT FEEDBACK
J7-2
+ STUD
G4107
PRESET DISPLAY
(ONLY)
PRESET
VALUE
J6-2 -
VOLTAGE
CURRENT FEEDBACK
G4109
FEEDBACK
+
(ONLY)
47.5 ohms
x80 DISPLAY WELD VOLTS
J6-1
+ STUD is COMMON
FOR WELD CONTROL
+ STUD
CIRCUITS
VOLTAGE FEEDBACK
J3-15
+5V +5V
+ STUD
+ STUD
J7-8
ARC
J7-7
CONTROL
CIRCUITRY
J7-6
+10V
(77) + STUD + STUD
OCV
J7-1 TOUCH START
(76)
VARIABLE PINCH
J7-4
PIPE ARC FORCE
(75)
VARIABLE ARC FORCE
J7-5 LOCAL
PRESET FIXED ARC FORCE PRESET
FIXED HOT START
+5V
+ STUD
TIG MODE +10V
REMOTE
(77B)
J1-11
(76B) + STUD
ALL OTHER MODES
J1-14
(75B)
J1-10
+ STUD + STUD
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
ELECTRICAL DIAGRAMS
TRANSFORMER
CONTROL BOARD +
J3-8
40-100VDC
POWER FROM
INPUT
CHOPPER BOARD
-
J3-16
+15V
(253) SILVER
THERMAL
J3-6 PROTECTION
(252) INDICATOR
J3-13 GOLD
+ STUD
IDLE CONTROL
ON / OFF (+5V=ON)
HOLD (+5V=HOLD)
J4-1
J4-2
J4-3
J4-4
J4-5 AMMETER
J4-6 DISPLAY
J4-7
J4-8
METER (+) INPUT (0 - 2V) 1V = 1000 ON METER
J4-9
METER (-) INPUT
J4-10
METERS OPTIONAL ON VANTAGE
+ STUD
ON / OFF (+5V=ON)
NO J4 OR J5 ON RANGER 250
HOLD(+5V=HOLD) J5-1
J5-2
J5-3
J5-4
J5-5
VOLTMETER
J5-6 DISPLAY
J5-7
J5-8
METER (+) INPUT (0 - 2V) 1V = 100.0 ON METER
J5-9
METER (-) INPUT
J5-10
CURRENT
+ STUD
LIMITS,
CURRENT FEEDBACK
AVERAGE,
ABSOLUTE,
& FOLDBACK
FEEDBACK
PWM
CHOPPER
REGULATING
AMPLIFIER
CONTROL POINT CONTROL
CIRCUIT
CONTROL
POINT
SELECT
CONNECTORS
J1 AMPHENOL & MACHINE ID JUMPER
J2 ENGINE 12V CONTROL FUNCTIONS
J3 CHOPPER PWM, POWER IN, (THERMAL OVERLOAD IF USED), VOLTAGE FEEDBACK
J4 AMMETER (NO CONNECTOR ON RANGER 250)
J5 VOLTMETER (NO CONNECTOR ON RANGER 250)
J6 SHUNT/CURRENT FEEDBACK
J7 OUTPUT CONTROL, ARC FORCE, MODE SELECT
PROPRIETARY & CONFIDENTIAL:
UNLESS OTHERWISE SPECIFIED TOLERANCE
DESIGN INFORMATION
MANUFACTURING TOLERANCE PER E2056
ON 2 PLACE D ECIMALS IS ± .02
DRAWN BY:
ON 3 PLACE DECIMALS IS ± .002
ON ALL ANGLES IS ± .5 OF A DEGREE
t ENGINEER:
MATERIAL TOLERA NCE (" ") TO AGREE
WITH PUBLISHED STANDARDS.
DO NOT SCALE THIS DRAWING
APPROVED:
+15V
+5V
+3.3V
-15V
+12V ISOLATED CIRCUITRY FOR ENGINE FUNCTIONS
+15V COM
+ STUD
(NOT ALL MACHINES USE EVERY CIRCUIT)
+12V Battery Supply to
V-BATTERY
the Idle Hold Solenoid
IDLE HOLD COIL
DIODE ONLY ON -E
+15V +15V COM
VERSION AND ABOVE Other side of the Idle Hold Solenoid.
FRAME
FRAME IS COMMON FOR +0V when energized "LOW IDLE" +12V
ENGINE CONTROL CIRCUITS
when not energized. "HIGH IDLE"
TO IDLE PULL COIL BOARD
HIGH = PULL TO LOW IDLE
FRAME
J2-12
FOR AUX USE: CONNECT
TO FRAME FOR HIGH IDLE
FRAME
RANGER OIL PRESSURE V-BATTERY
+ STUD
V-BATTERY J2-9
STARTER BUTTON
+12V when starting the machine. (RUN switch ON and
Start Button Pressed and held., 0V when the machine
J2-8
is not ON. +40V or more when the machine is running.
PTC
FRAME
FUEL SHUTDOWN
J2-10
+12V when the RUN switch is ON and the
START Button is held IN. If externally shorted
the PTC will change to high impedance
FRAME
+15V COM
V-BATTERY
+
BATTERY POSITIVE
J2-7 VREF -
+
-
BATTERY NEGATIVE
J2-3
FRAME
FRAME
#1
47.5 ohm CHOPPER
PWM SIGNAL (+12V ON MULTIMETER)
BOARD
J3-9
47.5 ohm
PWM SIGNAL (+12V)
(ALL MACHINES)
J3-11
47.5 ohm
PWM COMMON
#2
J3-10
CHOPPER
47.5 ohm
PWM COMMON
BOARD
J3-12
(VANTAGE ONLY)
+ STUD
SEE SPECIFIC MACHINE SCHEMATIC FOR DETAILS ON
WHAT PARTS OF THE G4107/G4109 ARE USED IN EACH
APPLICATION. NOT ALL CIRCUITS ARE USED ALL THE TIME.
THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OWNED BY LINCOLN GLOBAL, INC. AND MAY NOT BE DUPLICATED, COMMUNICATED
RANGER 305D CE (UK)
TO OTHER PARTIES OR USED FOR ANY PURPOSE WITHOUT THE EXPRESS WRITTEN PERMISSION OF LINCOLN GLOBAL, INC. EQUIPMENT TYPE:
REFERENCE:
L11946 MACHINE SCHEMATIC
MAP SUBJECT:
SCALE:
BAM
MATERIAL APPROVAL 6/20/03 PROJECT CRM33673
UF
NONE
-
DISPOSITION: DATE: NUMBER:
G-24
IDLE
SOLENOID
1
J2-6
2
J2-5 HOLD
RED
COIL
3
BLK
4 PULL
WHT
COIL
J2-4
PULL COIL
BOARD
-
J2-1 +
NEGATIVE
POSITIVE
BRUSH BRUSH
ROTOR
J2-2
BATTERY
CHARGE
LAMP
J2-11
+15V when the battery charge light is "OFF"
(Machine running, alternator charging
battery, +1.5V when battery charge light is
"ON" (Battery Low/Not charging and for a few
seconds when machine is turned off)
LEAD COLOR CODE: COMPONENT VALUE UNITS:
B-BLACK
CAPACITOR: MFD/VOLTS
G-GREEN
RESISTOR: OHMS/WATTS
O-ORANGE
R-RED
CONNECTOR PIN NUMBERS:
U-BLUE
W-WHITE
EX. 12 PIN CONNECTOR
Y-YELLOW
LABELS: 1 2 6
COMMON
FRAME GROUND
7 12
EARTH GROUND LATCH
VIEW OF CONN ECTOR ON PC BOARD
1 2 2
PAGE ___ OF ___
DOCUMENT
DOCUMENT
NUMBER: REVISION:
L12039
A
RANGER 305D