Denon RCD-CX1 Service Manual

38
RCD-CX1
2. 8U-210025(SMPSUNIT)
2.1. 電源チェック工程
ヒューズの確認
･ FUSE(F801)
N.G.
半田付けを確認
･ [IC801][D801][D802][T801]
O.K.
+3.3VNSW 出力電圧確認
･ [CX112]6pin"+3.3VNSW"
N.G.
半田付けを確認
･ [IC802][T802]
･ 8U-210024(SYS/DAMP/DISPUNIT)
O.K.
リレーの動作確認
･ [RL801]
N.G.
半田付けを確認
･ [CX112][RL801][TR801]
O.K.
± 33V 出力電圧確認
･ [CX074]1pin"-33V"
･ [CX074]3pin"+33V"
N.G.
半田付けを確認
･ [IC801][IC804][D802][D820][D822]
O.K.
± 12VA 出力電圧確認
･ [CX074]5pin"+12VA"
･ [CX074]7pin"-12VA"
N.G.
半田付けを確認
･ [IC807][IC808][D818][D821]
O.K.
+12VD/M 出力電圧確認
･ [CX101]8pin"+12VM"
･ [CX112]8pin"+12VD"
N.G.
半田付けを確認
･ [IC805][D823][D817][L802]
O.K.
+5VM 出力電圧確認
･ [CX101]6pin"+5VM"
N.G.
半田付けを確認
･ [IC809][D827][L803]
O.K.
+3.3VD 出力電圧確認
･ [CX101]2pin3pin"+3.3VD1"
･ [CX112]10pin+3.3VD"
N.G.
半田付けを確認
･ [IC809][D827][L803]
O.K.
終了
2. 8U-210025(SMPS UNIT)
2.1. Check the power supply
Check FUSE Condition
• FUSE (F801) OPEN?
N.G.
Check Soldering.
• [IC801] [D801] [D802] [T801]
O.K.
Check +3.3V_NSW Output
• Voltage Check
+3.3V DC (non-switched) Voltage is O.K.?
[CX112] 6pin “+3.3V_NSW“
N.G.
Check Soldering.
• [IC802] [T802]
• 8U-210024(SYS/DAMP/DISP UNIT)
O.K.
Check Relay
• [RL801]
N.G.
Check Soldering.
• [CX112] [RL801] [TR801]
O.K.
Check ± 33V Output
• Voltage Check
± 33V DC (switched) Voltage is O.K.?
• [CX074] 1pin "-33V"
• [CX074] 3pin "+33V"
N.G.
Check Soldering.
• [IC801] [IC804] [D802] [D820] [D822]
O.K.
Check ± 12V_A Output
• Voltage Check
± 12V DC (switched) Voltage is O.K.?
• [CX074] 5pin "+12V_A"
• [CX074] 7pin "-12V_A"
N.G.
Check Soldering.
• [IC807] [IC808] [D818] [D821]
O.K.
Check +12V_D/M Output
• Voltage Check
+12V DC (switched) Voltage is O.K.?
• [CX101] 8pin "+12V_M"
• [CX112] 8pin "-12V_D"
N.G.
Check Soldering.
• [IC805] [D823] [D817] [L802]
O.K.
Check +5V_M Output
• Voltage Check
+5V DC (switched) Voltage is O.K.?
• [CX101] 6pin "+5V_M"
N.G.
Check Soldering.
• [IC809] [D827] [L803]
O.K.
Check +3.3V_D Output
• Voltage Check
+3.3V DC (switched) Voltage is O.K.?
• [CX101] 2pin 3pin "+3.3V_D1"
• [CX112] 10pin "-3.3V_D"
N.G.
Check Soldering.
• [IC809] [D827] [L803]
O.K.
END
(Open)
（切れている )

Denon RCD-CX1 Specifications

General

Brand	Denon
Model	RCD-CX1
Category	Car Receiver
Language	English