Sanyo FVM4012 User manual

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FVM4012 service manual 
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SANYO Service Manual
Made by：Approved by：
MODEL: FVM4012
CHASSIS NO: P40142-01


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FVM4012 service manual 
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TABLE OF CONTENTS
1. Precautions and Safety Notices 3
2. Product Specification 5
3. Exploded Diagram 8
4. Wiring Diagram 9
5. Disassembly Procedure 10
6. Adjustment Procedure 13
7. Firmware Update SOP 31
8. Block Diagram 34
9. Troubleshooting Flow Chart 35
10. Schematic Diagrams 42
11. PCB Layout Diagrams 43
12. Key Check Point 44
13. BOM LIST 48
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Attachment 1：FVM4012 exploded diagram
Attachment 2：40-RSC803-MAD2HG SCH
Attachment 3：40-E371C4-PWG1XG SCH
Attachment 4：40-E5300A-KEA2XG SCH
Attachment 5：40-C8E530-IRA2LG SCH
Attachment 6：40-RT4311-DRA2XG SCH
Attachment 7：40-RSC803-MAD2HG PCB Layout
Attachment 8：40-E371C4-PWG1XG PCB Layout
Attachment 9：40-E5300A-KEA2XG PCB Layout
Attachment 10：40-C8E530-IRA2LG PCB Layout
Attachment 11：40-RT4311-DRA2XG PCB Layout
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Copyright
No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval
system, or translated into any language or computer language, in any form or by any means,
electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior
written permission of Sanyo Corporation.

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1.
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ty Instr
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4. Wiring Diagram
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5. Disassembly Procedure
5.1 Removal Of Mechanical Parts
1. Remove the back
cover.
Remove 10
screws(ST3x6)[1] for
RC&PANEL;
Remove 6
screws(ST3x8)[2] for
RC& FC
Remove 2
screw(B3x6)[3] for RC&
AV bracket;
Remove 2
screw(ST3x8)[4] for
RC&AC bracket;
Remove 4
screw(B6x10)[5] for
RC&VESA bracket;
2. Remove the 2
speakers.
Unplug the speaker
wire[1];
Remove 4
screw(ST3x14)[2] for
speaker socket support
and FC;
Take out 2 speakers
from the front cabinet
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3. Remove the table
stand bracket.
Remove 4
screw(B4x10)[1] for the
table stand bracket &
PANEL;
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1
1
1 1 1 1 1 1
11
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2 2 2 2 2 2
3
3
4
4
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2 2 2 2
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. Take off
BD.
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nplug the
w
P
SU BD ;
R
emove 4
crews(B3x
6
P
SU BD an
d
. Take off
BD
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nplug all
w
m
ain BD;
Remove 2
h
uts (M3x5
x
m
ain BD br
a
&
panel.
R
emove 2
crews(B3x
6
m
ain BD& p
a
. Take off
U
nplug the I
h
e key ass’
y
R
emove 1
crews(B3x
6
B
D& IR bra
c
T
ake out the
R
bracket. 
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v
al Of PC
B
the PSU
w
ire from
6
)[1] for
d
panel;
the main
w
ire from
h
exagonal
x
2.3)[2] for
a
cket
6
)[2] for
a
nel.
the IR BD
R wire fro
m
y
;
6
)[1] for IR
c
ket.
IR BD fro
m
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B
Module
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m
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1
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1
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2
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U
f
r
B
5.
3
1
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. Take off
t
U
nplug the
K
r
om the ke
y
Take out
B
D from FC
.
3
Remo
v
. Remove
adhesiv
e
insulatio
n
aluminu
m
others o
n
panel’s
b
Remove
holders
[
lift the p
a
the front
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K
E
Y
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al Of Pan
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all wires,
e
tapes,
n
file,
m
foil and
n
the
b
ack.
14 panel
[
1], then
a
nel from
cabinet.
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6. Adjustment Procedure
6.1 Power supply
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1.1 Abbreviations
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1.2 Preparation
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FVM4012 service manual 
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2049
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(QWU\IDFWRU\PHQX  DQGFKRRVHWKH$ '&PHQXZLWKWKH5& 
&KDQJH$'&6RXUFHWR³&037´
$GMXVWWKHFXUVRUWR³$872&RORU´SUHVV³RN´´5LJKW´NH\RQWKH5&
³3OHDVHZDLW« ´ZLOOGLVSOD\
,I2N$ '&³VWDWXV´LWHPZLOOVKRZ³2. ´
,I)$,/ GRRQHPRUHWLPHWLOOLWVKRZV2. 
1.6.3Step for PC ADC calibration(Only TA series)
,QSXWFRORUEDURI#IRUPDW  WR3&VRXUFH 
(QWU\IDFWRU\PHQX  DQGFKRRVHWKH$ '&PHQXZLWKWKH5& 
&KDQJH$'&6RXUFHWR³3&´
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,I2N$ '&³VWDWXV´LWHPZLOOVKRZ³2. ´
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1.7 White balance
2Q56&SODWIRUP2QO\1RUPDOWHPSHUDWXUHPXVWWREHHQDGMXVWHGWKH:DUP&RRO  GDWDZLOOEH
FKDQJHWRZLWKVRPHGHIDXOWRIIVHWEXWWKHVHRIIVHWDOVRVKRXOGEHHQFKDQJHGDFFRUGLQJWRWKH
PDQXIDFWXUHFRQGLWLRQ1RUPDOO\7KH&&)//&'PRGHOWHPSHUDWXUHVKRXOGEHHQWKHVHVSHF
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;  
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Remark:
The Cool Co-ordinates is: X=272< WKHWROHUDQFHLVa
7KH:DUPLV：; < WKHWROHUDQFHLVa
  7KLVVWDQGDUGLVRQO\IRU&&)/SDQHOWKH/('3DQHOPXVWEHXVHWKH3DQHO7HDP'DWD 
7KHAppendix 5 LVVRPHGHWDLOGDWD