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WV-BP310

ORDER NO. AVS9910204S8

C

1 9 9 9     M a t s u s h i t a   C o m m u n i c a t i o n   I n d u s t r i a l   C o . ,   L t d .

A l l   r i g h t s   r e s e r v e d .   U n a u t h o r i z e d   c o p y i n g   a n d
d i s t r i b u t i o n   i s   a   v i o l a t i o n   o f   l a w .

Please file and use this supplement service manual together with the service manual for Model No. WV-BP310,

Order No.AVS9408895C8.

■

Schematic Diagram described on the page 25 of original service manual has been corrected.

This service information is designed for experienced repair technicians only and is not designed for use by the
general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to
service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any
attempt to service or repair the product or products dealt with in this service information by anyone else could
result in serious injury or death.

Y 

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION:
TO REDUCE THE RISK OF ELECTRIC SHOCK, 
DO NOT REMOVE COVER (OR BACK). NO USER 
SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE
PERSONNEL.

This symbol warns the user that uninsulated voltage within 
the unit may have sufficient magnitude to cause electric 
shock. Therefore, it is dangerous to make any kind of contact 
with any inside part of this unit.

This symbol alerts the user that important literature concerning 
the operation and maintenance of this has been included.
Therefore,  it  should  be  read  carefully  in  order  to avoid 
any problems.

T

here are special components used in this equipment which are important for safety. These parts are indicated 

by the ”  ” mark on the schematic diagram and the replacement parts list. It is essential that these critical 

parts should be replaced with manufacturer's specified parts to prevent X-radiation, shock, fire, or other hazards.

Do not modify the original design without permission of manufacture.

A

1

2

3

B

C

D

E

F

L     N

6
5
4
3
2
1

GND
+9V
 LL-DET
LL-PULSE
NC
NC

CN1

CN2

To
REAR
BOARD
. . . CN2

E101

220-240V AC

50 Hz

+

–

+

–

+

–

+

–

C16  120/16

5

4

C14   270/16

R12
47
1/10W

R16
680
1/10W

R13
1K  1/10W

C17
0.1

C19

3300P

C18

3300P

C2
2200P
/250

C20  5600P/250

C3
2200P
/250

C4
2200P
/250

C13  0.1

C11
0.01

R6
2.4K
1/10W

C5  10/400

C1
0.033/250

R14
160
1/16W 1%

R17
6.2K
1/16W 1%

R18
10K  1/10W

R8
2.4 1/4W

R7

220

1/10W

C10  3.3/50

R3
180K 1/10W

R21
110K
1/4W

C12
8200P

C6  27/35

R4

22 1/10W

C8  680P

C7  1

R5
18K 1/10W

R9
91K 1/4W

400mA

R10
91K 1/4W

R2

22

1/10W

R11
3.9K 1/10W

R22
110K
1/4W

R31  0

R15
16K 1%

L2  33

µ

H

R32  0

D6 (2/2)

D5 (1/2)

1

2

3

C9  0.1

VS1

D6 (1/2)

 (1/2)

D5 (2/2)

L1

F1

+

–

C15   270/16

1

2

R19

5.1K

1/10W

R30  0

R1
110K
1/4W

R20  120K 1/10W

1

2

4

5

D2
(2/2)

+

–

+

–

Components Identified by "      " mark have special characteristics for safety.

When replacing any of these components, use only  manufacturer's specified parts.

IC1

C2

IC2

E2

Q1

D2

Q4

B2

D1

C1

D2

B2,C2

D3

D2

D4

B2

D5

C3,E2

D6

A2/A3,E2

D7

D1

+

–

IN(–)

FB

IS(+)

GND

CS

CT

VCC

OUT

2

3

4

5

6

7

8

1

P1

P2

V2

V1

S3

S2b

S1

S2a

Printed  in  Japan
C-730  

N

N

7, 23