Denon DVD-2910 Service Manual page 25

(2) Progressive output [Y,Pb,Pr] does not outputed.
Check Digital signal for Video [3].
GU-3615-1 (VIDEO UNIT)
• [IC701]input:
[PC2-9], [HSYNC], [VSYNC], [CLK0]
O.K.
END
(3) Interlace output [V-OUT, S-OUT] does not outputed.
Check control signal for [IC710] (ADV7310).
GU-3615-1 (VIDEO UNIT)
• [SDA], [SCK], [RST_V]
O.K.
Check Digital signal for Video [4].
GU-3615-1 (VIDEO UNIT)
• [IC710]input :
[PC2-9], [HSYNC], [VSYNC], [CLK0]
O.K.
Check Video Encoder [2] circuit.
GU-3615-1 (VIDEO UNIT)
• [IC710]
O.K.
Check Video Buffer circuit.
GU-3615-1 (VIDEO UNIT)
• [TR713], [TR714]
• [VR709], [VR710]
O.K.
Check Video Driver circuit.
GU-3615-1 (VIDEO UNIT)
• [IC708] (BH7862F)
O.K.
END
Check Soldering.
N.G.
• [IC701] : 53-55, 58-62, 49, 50pin
• RA705, RA706, R726, R728
N.G.
Check Soldering.
• [IC701] : 21, 22, 33pin, R839, R840, R858
Check Soldering.
N.G.
• [IC710] : 53-55, 58-62, 49, 50pin
• RA714, RA715, R847, R852, R853
N.G.
Check the soldering [IC710]
and circumference soldering of [IC710].
Check the soldering [TR713], [TR714] and
N.G.
circumference soldering of [TR713],
[TR714].
N.G. Check the soldering [IC708]
and circumference soldering of [IC708].
(2) インターレース映像 [Y,Cb,Cr] 出力せず
映像用デジタル信号の確認 [3]
GU-3615-1 (VIDEO UNIT)
･ [IC701]input :
[PC2-9], [HSYNC], [VSYNC], [CLK0]
O.K.
終了
(3) インターレース映像 [V-OUT, S-OUT] 出力せず
[IC710] (ADV7310) 制御信号の確認
GU-3615-1 (VIDEO UNIT)
･ [SDA], [SCK], [RST_V]
O.K.
映像用デジタル信号の確認 [4]
GU-3615-1 (VIDEO UNIT)
･ [IC710] input
[PC2-9], [HSYNC], [VSYNC], [CLK0]
O.K.
ビデオエンコーダー [2] 回路の確認
GU-3615-1 (VIDEO UNIT)
･ [IC710]
O.K.
ビデオバッファー回路の確認
GU-3615-1 (VIDEO UNIT)
･ [TR713], [TR714]
･ [VR709], [VR710]
O.K.
ビデオドライバー回路の確認
GU-3615-1 (VIDEO UNIT)
･ [IC708] (BH7862F)
O.K.
終了
25
DVD-2910/955
半田付けを確認
N.G.
･ [IC701] : 53-55, 58-62, 49, 50pin
･ RA705, RA706, R726, R728
N.G. 半田付けを確認
･ [IC701] : 21, 22, 33pin, R839, R840, R858
半田付けを確認
N.G.
･ [IC710] : 53-55, 58-62, 49, 50pin
･ RA714, RA715, R847, R852, R853
N.G.
[IC710] とその周辺回路の半田付けを確認
N.G. [TR713-TR714] とその周辺回路の半田付けを
確認
N.G.
[IC708] とその周辺回路の半田付けを確認