Powerman Optima, Optima Plus ,

Back ProN

400/500/600/800

SERVICE MANUAL

1.TROUBLESHOOTING PROCEDURE :

Ⅰ

1.CAN'T START UPS.
2.CAN'T AUTO-RESTART ON AC MODE.
3.NO AVR FUNCTION.
4.NO OUTPUT POWER WHEN DC MODE.
5.CAN'T RECHARGE.
6.INVERTER OUTPUT WAVEFORM ABNORMAL.
7.FREQUENCY CAN'T BE SYNCHRONOUS.
8.NO ALARM ON INVERTER MODE.
9.ON DC MODE BATTERY VOLTAGE VALUE DETECTION ABNORMAL .
10.THE OUTPUT VOLTAGE IS TOO HIGH OR TOO LOW ON DC MODE.

2.

Ⅱ

CIRCUIT BLOCK DIAGRAMS

1. POWER CIRCUIT
2. BUZZER CONTROL CIRCUIT.

3.

RS-232 INTERFACE CIRCUIT.

4. FREQUENCY DETECTOR CIRCUIT.
5. AC INPUT DETECT CIRCUIT.
6. INVERTER CONTROL CIRCUIT.
7. OUTPUT DETECTOR CIRCUIT.
8. STS RELAY CIRCUIT.
9. AVR CIRCUIT.
10. LOAD DETECTOR CIRCUIT.
11. CHARGE CIRCUIT.
12. DC (battery) DETECT CIRCUIT.
13. TEMPERATURE DETECT CIRCUIT.

14.

OSC ＆ DISPLAY CIRCUIT.

15. RJ11/45 SURGE PROTECT CIRCUIT.

1

TROUBLE SHOOTING PROCEDURE:
1. CAN'T START UPS

2

TROUBLE SHOOTING PROCEDURE:

3

PRESS PSW

YES

DC FUSE F1

F2

5V 12V POWER

OK

PSW OK

Can't start on DC mode

MOSEFT
IN/output

Please follow turn
on UPS procedure

Check Circuit 6

Check power

Circuit & fuse

Power
circuit
& Fuse OK

Can't start on AC mode

Power circuit or
Transformer fault

YES

YES

NO

NO

YES

YES

YES

YES

NO

NO

NO

NO

NO

Please change SW1

Check Power Circuit

Q10 U5 Q11

Check Circuit14

U7 & X1

Change DC FUSE

Cheek Bat.

Vol

t

.

Change Battery

2. CAN'T START ON AC MODE

TROUBLE SHOOTING PROCEDURE:

4

AC recover

FUSE OK

Change FUSE

Volt.of
Bat.OK

Change Battery or

charge Battery

AC OK

(Frequency)

Check Circuit4

AC OK

(Voltage)

Check Circuit 5

NO

YES

NO

YES

NO

YES

NO

YES

Power Circuit

OK

Check Circuit 1

NO

U7 (CPU) OK

Change U7

YES

NO

STS.RELAY

Circuit 8 fault

3. NO AVR FUNCTION

TROUBLE SHOOTING PROCEDURE:

5

AC mode

Check AC

range

Adjust AC range

Circuit 5

OK

Check circuit 5

NO

YES

U7 OK

Change U7

NO

YES

Q3.Q4.K2.K3.
R10.R11.R14 OK

Check circuit 9
Driver of Relay

NO

YES

Check Volt. of

transformer and

connector is OK

YES

NO

4. NO OUTPUT POWER WHEN DC MODE

TROUBLE SHOOTING PROCEDURE:

6

No output power

when AC fail

Bat. Volt. &
F1.F2 OK

Change Bat,or F1,F2

5V 12V OK

Check Circuit 1

NO

YES

MOSEFT

In/output

OK

Check Circuit 6

NO

YES

Bat.Volt.
Loading
Circuit 7 OK

Check Circuit

1,7,10

NO

YES

Please check it is over

load or output short

YES

NO

5. CAN'T RECHARGE

TROUBLE SHOOTING PROCEDURE:

7

AC OK

STS.RLY

Circuit 8

OK

Check Circuit 8

CN1

connecting

OK

Check CN1

NO

YES

Circuit 11

OK

Check Transformer

or Circuit 11

NO

YES

NO

YES

Circuit 11 be shutdown

Check ZD1, Q2

,U3,U7

NO

6. INVERTER OUTPUT WAVE WAVEFORM ABNORMAL

TROUBLE SHOOTING PROCEDURE:

8

INV output

Dummy load

Ok

Check Circuit 7.

MOSEFT

driving

signal OK

Check Circuit 6

NO

YES

Circuit 1

OK

Check Circuit 1

NO

YES

NO

YES

Loading out of spec.

Remove loading

7. FREQUANCY CAN'T BE SYNCHRONOUS(DC MODE CAN'T GO INTO AC

MODE)

TROUBLE SHOOTING PROCEDURE:

9

AC input OK

INV wave

form OK

Check Circuit 6

AC
frequency,

Circuit 4

Check Circuit 4

NO

YES

Circuit 5

OK

Check Circuit 5

NO

YES

U7 OK

Change U7

NO

YES

Check STS RELAY

Circuit 8

YES

NO

8. INV MODE NO ALARM

TROUBLE SHOOTING PROCEDURE:

10

DC MODE

Buzzer off

Press PSW 1 second.

U7 PIN17 is

LOW

Change U7

NO

YES

U7-17 signal

(2-

3KHZ)

Check Circuit 1

(PSW, D5)

NO

YES

NO

YES

Change BZ1

9. ON DC MODE BATTERY VOLTAGE VALUE DETECION ABNORMAL

TROUBLE SHOOTING PROCEDURE:

11

DC MODE

Circuit 1

OK

Check U5

NO

YES

R56.R65.R70

R73 OK

Check R56.R65

R70.R73

NO

YES

NO

YES

Check U7

+5V OK

Check Q11

10.THE OUT PUT VOLTAGE IS TOO HIGH OR TOO LOW ON DC MODE

CIRCUIT 1

12

DC mode

Circuit 1

OK

Check circuit 1

D3.D4.D14.D1

6

R28.R31.C11

OK

OK

Check circuit 7

NO

YES

NO

YES

Check U7 or Transformer

CIRCUIT 1: POWER CIRCUIT

(Power ON/OFF ＆ SPS)

5V

P1.4

1

RST

28

P1.3

2

RXD

27

VDD

3

test

26

P1.2

4

IN12

25

Lmos

5

VPP

24

Rmos

6

Xin

23

VSS

7

Xout

22

AN4

8

VSS

21

AN3

9

T XD

20

AN2

10

AVRh

19

AN1

11

CHG

18

AN0

12

T C1

17

REF

13

T C0

16

VDD

14

AVR

15

U7 CPU

K

A

D11

R25

Q6

1

2

ON/OFF

5V

5V

C19

C3

C2

5V

12V

D5

D8

R27

Q10

R22

BT

Q6-B

R65

R70

R56

Q11

U5

R73

C21

R34

ZD2

R15

BAT T ERY B+

Switch

CIRCUIT 2

13

CIRCUIT 2: BUZZER CONTROL CIRCUIT

5V

P1.4

1

RST

28

P1.3

2

RXD

27

VDD

3

test

26

P1.2

4

IN12

25

Lmos

5

VPP

24

Rmos

6

Xin

23

VSS

7

Xout

22

AN4

8

VSS

21

AN3

9

TXD

20

AN2

10

AVRh

19

AN1

11

CHG

18

AN0

12

T C1

17

REF

13

T C0

16

VDD

14

AVR

15

U7 CPU

5V

5V

C19

1

2

BZ1

BUZZER

R57

14

CIRCUIT 3

CIRCUIT 3: RS-232 INTERFACE CIRCUIT

1

2

4

3

U2

Q7

1
6
2
7
3
8
4
9
5

CONNECT OR DB9

1

2

4

3

U4

R29

D15

D12

D13

D17

D10

R2

R20

10K

R68

3K

C10

C9

5V

5V

P1.4

1

RST

28

P1.3

2

RXD

27

VDD

3

test

26

P1.2

4

IN12

25

Lmos

5

VPP

24

Rmos

6

Xin

23

VSS

7

Xout

22

AN4

8

VSS

21

AN3

9

T XD

20

AN2

10

AVRh

19

AN1

11

CHG

18

AN0

12

T C1

17

REF

13

T C0

16

VDD

14

AVR

15

U7 CPU

5V

5V

C19

CIRCUIT 4

15

CIRCUIT 4: AUTO FREQUENCY DETECT CIRCUIT

5V

P1.4

1

RST

28

P1.3

2

RXD

27

VDD

3

test

26

P1.2

4

IN12

25

Lmos

5

VPP

24

Rmos

6

Xin

23

VSS

7

Xout

22

AN4

8

VSS

21

AN3

9

T XD

20

AN2

10

AVRh

19

AN1

11

CHG

18

AN0

12

T C1

17

REF

13

T C0

16

VDD

14

AVR

15

U7 CPU

5V

5V

C19

R60

Q5

R18

Ni

N input

CIRCUIT 5

16

CIRCUIT 5: AC INPUT DECTET CIRCUIT

5V

P1.4

1

RST

28

P1.3

2

RXD

27

VDD

3

test

26

P1.2

4

IN12

25

Lmos

5

VPP

24

Rmos

6

Xin

23

VSS

7

Xout

22

AN4

8

VSS

21

AN3

9

T XD

20

AN2

10

AVRh

19

AN1

11

CHG

18

AN0

12

T C1

17

REF

13

T C0

16

VDD

14

AVR

15

U7 CPU

5V

5V

C19

R59

C8

R60

R62

R61

D6

D9

R19

R21

R17

Li

Ni

R16

Q6-B

L input

N input

CIRCUIT 6

17

CIRCUIT 6: INVERTER CIRCUIT

5V

P1.4

1

RST

28

P1.3

2

RXD

27

VDD

3

test

26

P1.2

4

IN12

25

Lmos

5

VPP

24

Rmos

6

Xin

23

VSS

7

Xout

22

AN4

8

VSS

21

AN3

9

T XD

20

AN2

10

AVRh

19

AN1

11

CHG

18

AN0

12

T C1

17

REF

13

T C0

16

VDD

14

AVR

15

U7 CPU

5V

5V

C19

QM2

QM4

QM1

QM3

R44

R50

R43

R48

R46

R13

Q9

Q13

Q12

Q8

R24

R49

5V

R41

R39

12V

5V

TRANSFORMER

R6

C18

R5

R8

CH

R74

B+

CIRCUIT 7

18

CIRCUIT 7: OUTPUT DETECTOR CIRCUIT

5V

P1.4

1

RST

28

P1.3

2

RXD

27

VDD

3

test

26

P1.2

4

IN12

25

Lmos

5

VPP

24

Rmos

6

Xin

23

VSS

7

Xout

22

AN4

8

VSS

21

AN3

9

T XD

20

AN2

10

AVRh

19

AN1

11

CHG

18

AN0

12

T C1

17

REF

13

T C0

16

VDD

14

AVR

15

U7 CPU

5V

5V

C19

C11

K

A

D14

K

A

D3

K

A

D16

K

A

D4

R28

R31

TRANSFORMER

B+

CIRCUIT 8

19

CIRCUIT 8: STS RELAY CIRCUIT

5V

5V

5V

C19

Q14

L

i

3

4

5

1

2

K1

R55

R58

B

+

R75

C4

L input

P1.4

1

RST

28

P1.3

2

RXD

27

VDD

3

test

26

P1.2

4

IN12

25

Lmos

5

VPP

24

Rmos

6

Xin

23

VSS

7

Xout

22

AN4

8

VSS

21

AN3

9

TXD

20

AN2

10

AVRh

19

AN1

11

CHG

18

AN0

12

T C1

17

REF

13

T C0

16

VDD

14

AVR

15

U7 CPU

CIRCUIT 9

20

CIRCUIT 9: AVR ＆ OUTPUT CIRCUIT

3

4

5

1

2

K3

R11

Q4

3

4

5

1

2

K2

3

4

5

1

2

K4

K

A

D7

K

A

D27

R66

C20

R72

Q16

Q3

R10

N

o

Lo

Ni

AC/CT

TRANSFORMER

D6

B+

R14

N

o

5V

P1.4

1

RST

28

P1.3

2

RXD

27

VDD

3

test

26

P1.2

4

IN12

25

Lmos

5

VPP

24

Rmos

6

Xin

23

VSS

7

Xout

22

AN4

8

VSS

21

AN3

9

T XD

20

AN2

10

AVRh

19

AN1

11

CHG

18

AN0

12

T C1

17

REF

13

T C0

16

VDD

14

AVR

15

U7 CPU

5V

5V

C19

B+

B+

ST S

L output

N output

CIRCUIT 10

21

CIRCUIT 10: LOAD DETECTOR CIRCUIT

5V

P1.4

1

RST

28

P1.3

2

RXD

27

VDD

3

test

26

P1.2

4

IN12

25

Lmos

5

VPP

24

Rmos

6

Xin

23

VSS

7

Xout

22

AN4

8

VSS

21

AN3

9

T XD

20

AN2

10

AVRh

19

AN1

11

CHG

18

AN0

12

T C1

17

REF

13

T C0

16

VDD

14

AVR

15

U7 CPU

5V

5V

C19

AC/CT

K

A

D20

K

A

D19

K

A

D21

R37

C13

R40

D22

D24

R38

CIRCUIT 11

22

CIRCUIT 11: CHARGER CIRCUIT

C1

ZD1

Vin

3

A

D

J

1

+Vout

2

U3

C12

K

A

D1

2

2

1

1

Battery

R1

Q2

R7

F2

R4

K

A

D14

K

A

D3

K

A

D16

K

A

D4

B

+

F1

BAT +

BAT -

5V

R9

K

A

D2

CH

TRANSFORMER

5V

P1.4

1

RST

28

P1.3

2

RXD

27

VDD

3

test

26

P1.2

4

IN12

25

Lmos

5

VPP

24

Rmos

6

Xin

23

VSS

7

Xout

22

AN4

8

VSS

21

AN3

9

T XD

20

AN2

10

AVRh

19

AN1

11

CHG

18

AN0

12

T C1

17

REF

13

T C0

16

VDD

14

AVR

15

U7 CPU

5V

5V

C19

CIRCUIT 12

23

CIRCUIT 12: DC (battery) DETECT CIRCUIT

5V

P1.4

1

RST

28

P1.3

2

RXD

27

VDD

3

test

26

P1.2

4

IN12

25

Lmos

5

VPP

24

Rmos

6

Xin

23

VSS

7

Xout

22

AN4

8

VSS

21

AN3

9

T XD

20

AN2

10

AVRh

19

AN1

11

CHG

18

AN0

12

T C1

17

REF

13

T C0

16

VDD

14

AVR

15

U7 CPU

5V

5V

C19

R52

C16

R12

D11-A

(B+)

CIRCUIT 13

24

CIRCUIT 13: TEMPERATURE DETECTOR CIRCUIT

5V

P1.4

1

RST

28

P1.3

2

RXD

27

VDD

3

test

26

P1.2

4

IN12

25

Lmos

5

VPP

24

Rmos

6

Xin

23

VSS

7

Xout

22

AN4

8

VSS

21

AN3

9

T XD

20

AN2

10

AVRh

19

AN1

11

CHG

18

AN0

12

T C1

17

REF

13

T C0

16

VDD

14

AVR

15

U7 CPU

5V

5V

C19

5V

R3

C6

1

1

2

2

T H1

CIRCUIT 14

25

CIRCUIT 14: OSC ＆ DISPLAY CIRCUIT

5V

P1.4

1

RST

28

P1.3

2

RXD

27

VDD

3

test

26

P1.2

4

IN12

25

Lmos

5

VPP

24

Rmos

6

Xin

23

VSS

7

Xout

22

AN4

8

VSS

21

AN3

9

T XD

20

AN2

10

AVRh

19

AN1

11

CHG

18

AN0

12

T C1

17

REF

13

T C0

16

VDD

14

AVR

15

U7 CPU

5V

5V

C19

C15

C17

1

1

2

2

X1

LED1

GREEN

LED2

RED

R30

R32

CIRCUIT 15

26

CIRCUIT 15: RJ11/45 SURGE PROTECT CIRCUIT

1

2

3

4

8

7

6

5

9

10

11

12

16

15

14

13

NET 1

R77

R76

ZN2

27