Denon DVD-2910 Service Manual

17
DVD-2910/955
(2) Check the Set-up process of B/E µ-COM
Check Power Supply Voltages.
GU-3612 (MAIN UNIT)
• [IC101] :
+3.3V_ESS, +2.0V_ESS O.K.?
N.G.
Check the output level.
[ON/ST] : "H" level?
N.G. Check Soldering.
• [IC318] : 88pin.
O.K.
Check Clock waveform.
GU-3612 (MAIN UNIT)
• [IC101] :
49, 105, 116pin and 117pin.
27MHz (3.3V), O.K.?
N.G.
Check 27MHz (3.3V) at
10pin of IC113.
N.G.
(1) Check Soldering of
X101.
(2) Check Soldering of
IC113 (SM8701).
O.K.
Check Soldering. Of
R186, R187, R137,
R138 and R153.
Check Reset signal.
GU-3612 (MAIN UNIT)
• [IC101] : (RESET) 24 pin.
"H" level O.K.?
N.G.
Check Soldering.
GU-3612 (MAIN UNIT)
• [IC318] : 81pin.
GU-3612 (MAIN UNIT)
• [IC110]
• R117.
O.K.
Check I
2
C Signal.
GU-3612 (MAIN UNIT)
• [IC101]:
"H" level at 160pin and 161pin.
N.G.
Check Soldering.
GU-3612 (MAIN UNIT)
• [IC101] and [IC104] [IC116]
O.K.
Check Address, Data Bus be-
tween
GU-3612 (MAIN UNIT)
[1C101]and[IC102](FlashRom).
N.G.
Check Soldering at Address, Data
Bus,Control Signal.
GU-3612 (MAIN UNIT)
• [LD0-LD7], [LCS3,LOE]
O.K.
Continue to next step.
Check the Set-up process
of F/E µ-COM.
O.K.
(2) B/Eµ-COM 立ち上げチェック工程
電源電圧確認
GU-3612(MAINUNIT)
･ [IC101]:
+3.3VESS,+2.0VESS
N.G.
出力レベル確認
[ON/ST]:"H"level?
N.G.
半田付けを確認
･ [IC318]:88pin.
O.K.
クロックの波形確認
GU-3612(MAINUNIT)
･ [IC101]:49,105,116pinand117pin.
27MHz(3.3V)
N.G.
クロックの波形確認
･ [IC113]:10pin
N.G.
(1) [X101] を確認
(2) 半田付けを確認
･ [IC113](SM8701).
O.K.
半田付けを確認
･ R186, R187, R137, R138
andR153.
RESET 信号の確認
GU-3612(MAINUNIT)
･ [IC101]:(RESET)24pin.
"H" level
N.G.
半田付けを確認
GU-3612(MAINUNIT)
･ [IC318]:81pin.
GU-3612(MAINUNIT)
･ [IC110]
･ R117.
O.K.
I
２
C 信号の確認
GU-3612(MAINUNIT)
･ [IC101]:
"H"levelat160pinand161pin.
N.G.
半田付けを確認
GU-3612(MAINUNIT)
･ [IC101]and[IC104][IC116]
O.K.
[1C101] と [IC102](FlashRom) 間の
GU-3612(MAIN UNIT)
アドレス、データバスの確認
N.G.
半田付けを確認
GU-3612(MAINUNIT)
･ [LD0-LD7],[LCS3,LOE]
O.K.
次のステップへ
(3)F/Eμ-COM 立ち上げチェック
工程へ
O.K.
w w w . x i a o y u 1 6 3 . c o m
Q Q
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6 3
1 5 1 5
0 9 9
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4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
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Denon DVD-2910 Specifications

General

Brand	Denon
Model	DVD-2910
Category	DVD Player
Language	English