Circuit Operating Description
Samsung Electronics
6-5
C. CHANGING SPEC FLOW CHART
CHANGING MODE
* Battery Voltage CHECK *
☞
Is the voltage of the battery 5.0V above?
* CHANGING CURRENT CHECK *
☞
CURRENT 0.80A(1.28V) >_ I
➝
!
CURRENT 0.40A(0.64V) >_ I
➝
@
CURRENT 0.05A(0.08V) >_ I
➝
#
CURRENT 0.03A(0.048V) >_ I
➝
$
ERROR Display and
Charge completion
* Battery Voltage CHECK *
☞
The battery is the voltage
7.0V over? (C.Batt V > 2.2319)
* Rapidity charge MODE *
* CHG CTL:”H”
* b ~ c Section *
* TIMMER :6HR Max
* Charge Current: 1.99A ~ 0.81A
* LED Display: Once blink
☞
Did the battery voltage 0.8A become over at 6 Hours?
* c ~ d Section *
☞
Charge Current: 0.8 ~ 0.41A
(C.CURRENT DET:1.28V ~ 0.656V)
Charge LED : twice blink
* d ~ e Section *
☞
Charge Current: 0.4 ~ 0.051A
(C.CURRENT DET:0.64 ~ 0.0816V)
Charge LED : three times blink
* c ~ e Section *
* TIMMER :2HR Max
* Charge Current: 0.8A ~ 0.051A
* LED Display: c~d twice blink,d~e three times blink.
☞
Did the battery voltage 0.05A become over at
12Hours ?(C.CURRENT:0.08V)
* e ~ f“ section *
* TIMMER : 0.5HR
* Charge Current: 0.05A below
* LED Display : continuity turn on
☞
While charging 0.03A is below (C.CURRENT
DET 0.048V) and unconditional charging it completes.
* f Charge Completion *
* LED Display : continuity turn on
☞
Charge LED : Continuity turn on, CHG CTL:”L”
* a
➝
b Section *
* TIMMER : 0.5HR Max
* changing current:1.99A ~ 0.81A
* LED display: Once blink
☞
Did the battery voltage 5.0V become over at
30 minutes?(C.Batt V DET > 1.60V)
* The Trickle the charge 2 time it
continues and when charge current
0.5A (0.8V) above it is not
detected, the Error to indicate,
charging end.
The charge the LED to light
continuity,after 0.5hr charge
charge completion.
* TRICKLE CHANGE MODE *
*CHG CTL: 0.5sec “ON”, 4.5sec “OFF”
YES
YES
YES
YES
YES
YES
NO
NO
ERROR DISPLAY and
Charging completion
NO
NO
* Battery Voltage CHECK *
☞
The battery is the voltage 7.0V
over? (C.Batt V > 2.2319)
The charge the LED to light
continuity,after 0.5hr charge
charge completion.
NO
ERROR DISPLAY and
Charging completion
NO
!
@
#
$
CHECK TIMMING CHG CTL ON
( 80 ms 5 detections)
Summary of Contents for VP-L900
Page 5: ...Product Specification 2 2 MEMO ...
Page 51: ...4 18 Disassembly and Reassembly Samsung Electronics MEMO ...
Page 79: ...5 28 Alignment and Adjustments Samsung Electronics MEMO ...
Page 109: ...Circuit Operating Description 6 30 Samsung Electronics MEMO ...
Page 124: ...Deck Operating Description Samsung Electronics 7 15 Fig 7 14 ...
Page 126: ...Deck Operating Description Samsung Electronics 7 17 Fig 7 16 ...
Page 128: ...Deck Operating Description Samsung Electronics 7 19 Fig 7 17 ...
Page 130: ...Deck Operating Description Samsung Electronics 7 21 Fig 7 18 ...
Page 132: ...Deck Operating Description Samsung Electronics 7 23 Fig 7 19 ...
Page 134: ...Deck Operating Description Samsung Electronics 7 25 Fig 7 20 ...
Page 136: ...Deck Operating Description Samsung Electronics 7 27 Fig 7 21 ...
Page 138: ...Deck Operating Description Samsung Electronics 7 29 Fig 7 22 ...
Page 139: ...Deck Operating Description 7 30 Samsung Electronics MEMO ...
Page 142: ...Samsung Electronics 10 1 10 Wiring Diagram ...
Page 143: ...Wiring Diagram 10 2 Samsung Electronics MEMO ...
Page 145: ...PCB Diagrams 11 2 Samsung Electronics COMPONENT SIDE 11 1 Main PCB ...
Page 146: ...PCB Diagrams Samsung Electronics 11 3 CONDUCTOR SIDE ...
Page 149: ...PCB Diagrams 11 6 Samsung Electronics 11 6 Front PCB 11 7 Function PCB ...