33
DVD-3910
3. GU-3613-2 (VIDEO UNIT)
3. GU-3613-2 (VIDEO UNIT)
(1) Progressive output [Y,Pb,Pr] does not outputed.
(1)
プログレッシブ映像
[Y,Pb,Pr]
出力せず
Check Power Supply Voltages.
電源電圧確認
GU-3613-2(VIDEO UNIT)
N.G
Check Soldering.
GU-3613-2(VIDEO UNIT)
N.G
半田付けを確認
・
+3.3V_D3, +5V_V1, +2.5V_V1, +1.8V_V1
・
[CY051],[IC715],[IC716]
・
+3.3V_D3, +5V_V1, +2.5V_V1, +1.8V_V1
・
[CY051],[IC715],[IC716]
・
[IC704](FN4321DEN):(VccINT) +1.5V
・
Circumference of [IC705](BA15BCOFP)
・
[IC704](FN4321DEN):(VccINT) +1.5V
・
[IC705](BA15BCOFP)
周辺回路
O.K.
O.K.
Check Digital signal for Video[1].
Check Soldering.
映像用デジタル信号の確認
[1]
半田付けを確認
GU-3613-2(VIDEO UNIT)
N.G
・
[CY331]:23-30,11,10,21pin
GU-3613-2(VIDEO UNIT)
N.G
・
[CY331]:23-30,11,10,21pin
・
[IC704]input:
・
[IC704]:125,128-134,140,139,16pin
・
[IC704]
入力
:
・
[IC704]:125,128-134,140,139,16pin
[PC2.-9.],[VSIN],[HSIN],[CLK1]
・
RA751,RA752,R701,R702,R753
[PC2.-9.],[VSIN],[HSIN],[CLK1]
・
RA751,RA752,R701,R702,R753
O.K.
O.K.
Check Digital signal for Video[2].
Check Soldering.
映像用デジタル信号の確認
[2]
半田付けを確認
GU-3613-2(VIDEO UNIT)
N.G
・
[IC704]:74-85,100pin
GU-3613-2(VIDEO UNIT)
N.G
・
[IC704]:74-85,100pin
・
[IC704]output / [IC718](FLI2310)input:
・
[IC718]:195,196,199-205,207,208pin
・
[IC704]
出力
/ [IC718](FLI2310)
入力
:
・
[IC718]:195,196,199-205,207,208pin
[PC2-9],[HSYNC],[VSYNC],[CLK0]
・
RA723,RA724,R930,R931
[PC2-9],[HSYNC],[VSYNC],[CLK0]
・
RA723,RA724,R930,R931
O.K.
O.K.
Check oscillation waveform.
Check Soldering.
発振波形確認
半田付けを確認
GU-3613-2(VIDEO UNIT)
N.G
・
Circumference of [X731](13.5MXTAL)
GU-3613-2(VIDEO UNIT)
N.G
・
[X731](13.5MXTAL)
周辺回路
・
[IC718]:[XTAL_IN]191pin
・
[IC718]:[XTAL_IN]191pin
13.5MHz(3.3V) O.K.?
13.5MHz(3.3V) O.K.?
O.K.
O.K.
Check PROM for [IC704]controled.
N.G
Check Soldering.
[IC704]
制御用
PROM
の確認
N.G
半田付けを確認
GU-3613-2(VIDEO UNIT)
・
Circumference of [IC703]
GU-3613-2(VIDEO UNIT)
・
[IC703]
周辺回路
・
[IC703](EPCS1SI8)
・
[IC703](EPCS1SI8)
O.K.
O.K.
Check control signal for [IC704].
N.G
Check Soldering.
[IC704]
制御信号の確認
N.G
半田付けを確認
GU-3613-2(VIDEO UNIT)
・
[CY331]:1-3,9pin,R701-R703
GU-3613-2(VIDEO UNIT)
・
[CY331]:1-3,9pin,R701-R703
・
[IC704]:[MD],[MC],[ML],[RST_V]
・
[IC704]:4-6,2pin,R752,R755,R757,R758
・
[IC704]:[MD],[MC],[ML],[RST_V]
・
[IC704]:4-6,2pin,R752,R755,R757,R758
O.K.
O.K.
Check control signal for [IC718] and [IC701].
N.G
Check Soldering.
[IC708]
と
[IC701]
制御信号の確認
N.G
半田付けを確認
・
[CY331]:9,14,15pin
GU-3613-2(VIDEO UNIT)
・
[CY331]:9,14,15pin
・
[IC718]:45-47pin,R915-R917
・
[SDA],[SCK],[RST_V]
・
[IC718]:45-47pin,R915-R917
・
[IC701]:21,22,33pin,R718,R719,R737
・
[IC701]:21,22,33pin,R718,R719,R737
O.K.
Check Digital signal for Video[3].
Check Soldering.
映像用デジタル信号の確認
[3]
半田付けを確認
N.G
・
[IC718]:144-155,126-137,125,118,119pin
GU-3613-2(VIDEO UNIT)
N.G
・
[IC718]:144-155,126-137,125,118,119pin
[IC718]output / [IC701](ADV7310)input:
・
R945,R947,R948
・
[IC718]
出力
/ [IC701](ADV7310)
入力
:
・
R945,R947,R948
[YO0-9],[CO0-9],[P_HSYNC],[P_VSYNC]
・
[IC701]:2-13,14-18,23,24,26-30,32pin
[YO0-9],[CO0-9],[P_HSYNC],[P_VSYNC]
・
[IC701]:2-13,14-18,23,24,26-30,32pin
・
RA701-RA704,RA707,R723,R729
[CLK_P/I],[PS_CLK]
・
RA701-RA704,RA707,R723,R729
・
Circumference of [IC702](SN74LVC157APW)
・
[IC702](SN74LVC157APW)
周辺回路
O.K.
O.K.
Check Video Encoder[1] circuit.
ビデオエンコーダー
[1]
回路の確認
GU-3613-2(VIDEO UNIT)
N.G
Check the soldering [IC701]
GU-3613-2(VIDEO UNIT)
N.G
[IC701]
とその周辺回路の半田付けを確認
・
[IC701]:
and circumference soldering of [IC701].
・
[IC701]:
O.K.
O.K.
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299