Denon DVD-3930 Service Manual page 35

(2) Interlace output [V-OUT, S-OUT] does not outputted.
Check Digital signal for Video[1].
GU-3749-2(VIDEO UNIT)
• Video Encoder [IC505](ADV7324) input:
[YUV0~7]
[PCLK]
O.K.
Check control signal for Video Encoder [IC550].
GU-3749-2(VIDEO UNIT)
• [SDA], [SCK], [RST_V]
O.K.
Check Video Encoder circuit.
GU-3749-2(VIDEO UNIT)
• [IC550]
O.K.
Check Video Buffer circuit.
GU-3749-2(VIDEO UNIT)
• Y: [TR553]
• C: [TR554]
O.K.
Check Video Buffer circuit.
GU-3749-2(VIDEO UNIT)
• [IC505]
O.K.
Check Video Output.
GU-3749-2(VIDEO UNIT)
• Output Terminal: [JK703], [JK705].
O.K.
END
Check Soldering.
N.G.
• Circumference of [IC550]
Check Soldering.
N.G.
• Circumference of [IC550]
Check the soldering [IC550]
N.G.
and circumference soldering of [IC550].
Check the soldering [TR553], [TR554] and
N.G.
circumference soldering of [TR553], [TR554].
Check the soldering [IC505]
N.G.
and circumference soldering of [IC505].
Check the soldering [JK703], [JK705] and
N.G.
circumference soldering of [JK703], [JK705].
(2) インターレース映像 [V-OUT, S-OUT] 出力せず
映像用デジタル信号の確認 [1]
GU-3749-2(VIDEO UNIT)
･ ビデオエンコダー [IC550](ADV7324) 入力 :
[YUV0 ∼ 7]
[PCLK]
O.K.
[IC550] 制御信号の確認
GU-3749-2(VIDEO UNIT)
･ [SDA], [SCK], [RST_V]
O.K.
ビデオエンコーダー回路の確認
GU-3749-2(VIDEO UNIT)
･ [IC550]
O.K.
ビデオバッファー回路の確認
GU-3749-2(VIDEO UNIT)
･ Y: [TR553]
･ C: [TR554]
O.K.
ビデオバッファー IC 回路の確認
GU-3749-2(VIDEO UNIT)
･ [IC505]
O.K.
ビデオ出力端子の確認
GU-3749-2(VIDEO UNIT)
･ 出力端子 : [JK703], [JK705].
O.K.
終了
35
DVD-3930/3930CI
半田付けを確認
N.G.
･ [IC550] とその周辺回路
半田付けを確認
N.G.
･ [IC550] とその周辺回路
N.G.
[IC550] とその周辺回路の半田付けを確認
[TR553], [TR554]
N.G.
とその周辺回路の半田付けを確認
N.G.
[IC550] とその周辺回路の半田付けを確認
[JK703], [JK705]
N.G.
とその周辺回路の半田付けを確認