Denon DVP-602CI, Service Manual

Page: 16 / 87

16
DVP-602CI
2. Analog video
Input C: IC508-75pin
IC403 SCPU 73pin:
OK
IC403 SCPU 74pin:
Check VA±5
C366 + side
C367 - side
1U-3833 D.VIDEO UNIT
Check input of Video Decoder
signal.
Check a connection connector
between UNIT.
Poor in connector connection
between UNIT.
OK
OK
To Troubleshooting
3. HDMI/DVI.
Check cable between
main unit and monitor
or Check monitor.
OK
NG
H(+5V)
OK
Poor in connector connection
between UNIT.
NG
Cable or MONITOR is
defective.
Input
CVBS/S
NG
VA+5:
VA-5:
To troubleshooting 1.1
Power not turn on.
OK
Check signal DET
for 1U-3881 DSP/SCPU UNIT.
NG NG
Check Video AMP and DET
neighboring circuits soldering.
Video AMP:
Input Y: IC508-71pin Y:
V:
Input V: IC508-73pin
IC401,IC402
H(+5V)
Video AMP and DET
neighboring circuits parts or
soldering is defective.
NG
D.VIDEO UNIT flaw.
D.VIDEO UNIT flaw.
Video AMP:
OK
Input Cr: IC508-72pin
Check VA±5
C366 + side
C367 - side
Input
COMPONENT
VA+5:
VA-5:
IC403 SCPU 72pin:
IC508-76pin
To troubleshooting 1.1
Power not turn on.
1U-3833 D.VIDEO UNIT
Check input of Video Decoder
signal.
NG
Check Relay,Video AMP and
DET neighboring circuits
soldering.
NG
Check signal DET
for 1U-3881 DSP/SCPU UNIT.
OK
H(+5V)
Input Cb: IC508-74pin
OK
Input Y:
NG
Relay,Video AMP and DET
neighboring circuits parts or
soldering is defective.
Poor in connector connection
between UNIT.
NG
OK
Realy: RL401,RL402
IC401,IC402
To Troubleshooting
3. HDMI/DVI.
Poor in connector connection
between UNIT.
NG
NG
OK
Check cable between
main unit and monitor
or Check monitor.
Cable or MONITOR is
defective.
OK
Check a connection connector
between UNIT.
2. アナログビデオ
VA±5の確認
C366 +側
C367 -側
D.VIDEO UNITの不具合
初段ﾋﾞﾃﾞｵｱﾝﾌﾟ及びDET
周辺回路のﾊﾝﾀﾞ付け確認
V：
入力Y： IC508-71pin
ﾋﾞﾃﾞｵｱﾝﾌﾟ： IC401,IC402
H(+5V)
入力C： IC508-75pin Y：
OK
1U-3881 DSP/SCPU UNIT
シグナルDET の確認
入力V： IC508-73pin
NG
1U-3833 D.VIDEO UNIT
Video Decoder信号入力の確認
Analog Video
入力
CVBS/S
NG
VA+5：
VA-5：
電源異常時の
ﾄﾗﾌﾞﾙｼｭｰﾃｨﾝｸﾞへ
OK
OK
IC403 SCPU 74pin： H(+5V)
OK
UNIT間のコネクタ接続不良
NG
ケーブルまたは
MONITORの不良
UNIT間の接続コネクタの確認 UNIT間のコネクタ接続不良
HDMI異常時の
トラブルシューティングへ
本体-MONITOR 間のｹｰﾌﾞﾙ
または MONITOR確認
OK
NG
OK
IC403 SCPU 73pin：
初段ﾋﾞﾃﾞｵｱﾝﾌﾟ及び
DET周辺回路の部品不良
またはﾊﾝﾀﾞ付け不良
NG NG
HDMI異常時の
トラブルシューティングへ
UNIT間のコネクタ接続不良
NG
NG
OK
本体-MONITOR 間のｹｰﾌﾞﾙ
または MONITOR確認
ケーブルまたは
MONITORの不良
OK
UNIT間の接続コネクタの確認
入力Y：
NG
ﾘﾚｰ、初段ﾋﾞﾃﾞｵｱﾝﾌﾟ及び
DET周辺回路の部品不良
またはﾊﾝﾀﾞ付け不良
UNIT間のコネクタ接続不良
NG
OK
ﾘﾚｰ、初段ﾋﾞﾃﾞｵｱﾝﾌﾟ及びDET
周辺回路のﾊﾝﾀﾞ付け確認
ﾘﾚｰ： RL401,RL402
IC401,IC402
NG
OK
1U-3833 D.VIDEO UNIT
Video Decoder信号入力の確認
NG
1U3881 DSP/SCPU UNIT
シグナルDET の確認
H(+5V)
入力Cb： IC508-74pin
IC508-72pin
OK
Analog Video
VA±5の確認
C366 +側
C367 -側
入力
COMPONENT
入力Cr：
ﾋﾞﾃﾞｵｱﾝﾌﾟ：
OK
D.VIDEO UNITの不具合
電源異常時の
ﾄﾗﾌﾞﾙｼｭｰﾃｨﾝｸﾞへ
VA+5：
VA-5：
IC403 SCPU 72pin： IC508-76pin