Denon DVP-602CI Service Manual page 16

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