Denon S-102 Service Manual page 37

(3) POWER SUPPLY
Check FUSE Condition
• FUSE (F401)OPEN?
O.K.
Check FUSE Condition
• FUSE (F402)OPEN?
O.K.
Check +9V_NSW Output
• Voltage Check
+9V_NSW DC (non-switched) Voltage is O.K.?
(CX151 14pin output)
O.K.
Check Power relay.
• IS (RL401) switched?
O.K.
Check +HB(about 31V) Output
• Voltage Check
+HB(about 31V) DC (non-switched) Voltage is O.K.?
(CX081 6pin output)
O.K.
Check +12V_D Output
• Voltage Check
+12V_D DC (non-switched) Voltage is O.K.?
(L404 C471 side)
O.K.
Check +3.3V_D Output
• Voltage Check
+3.3V_D DC (non-switched) Voltage is O.K.?
(L405 C469 side)
O.K.
Check Primary Parts and Soldering
• [D405] (GSIB660)
• [IC401] (SW_TRANS)
N.G.
• [C432] (330/400) for E2
(1000/200) for E3/J
• [T401] (SW_TRANS)
Check the following parts (and surrounding area) and
their soldering.
N.G.
• [CX081] (8P-PH)
Short-circuit or damaged wire in ADV side circuit
Check the following parts (and surrounding area) and
their soldering.
• [T402] (POWER_TRANS)
N.G.
• [D408,D410] (RB521S)
• [C436] (3300/25)
and Other Circuits
Check the following parts (and surrounding area) and
their soldering.
• [RL401] (DLS9D10_M)
N.G.
• [TR401] (KTC3199)
• [TR402] (KTC3875S)
and Other Circuits
Check the following parts (and surrounding area) and
their soldering.
• [IC401] (STR-F6267S) for E2
(STR-F6238S) for E3/J
• [D405] (GSIB660)
N.G.
• [T401] (SW_TRANS)
• [IC407] (PC123-Y-22)
• [IC405] (SE-B2)
• [D402] (FMX-G22S)
• [C447.C448] (2200/35)
and Other Circuits
Check the following parts (and surrounding area) and
their soldering.
• [IC402] ALL pin (SPI-8002TW)
N.G.
• [L404] (7E10H_470M)
• [C471] (470/16)
• [D426] (SFPB-74)
and Other Circuits
Check the following parts (and surrounding area) and
their soldering.
• [IC402] ALL pin (SPI-8002TW)
N.G.
• [L405] (7E10H_470M)
• [C469] (470/10)
• [D427] (SFPB-74)
and Other Circuits
(3) 電源
ヒューズは切れているか？
･ FUSE (F401)
O.K.
ヒューズは切れているか？
･ FUSE (F402)
O.K.
+9V_NSW 出力電圧は正常か？
･ (CX151 14pin 出力 )
O.K.
パワーリレーの確認
･ (RL401) が切り替わっているか？
O.K.
+HB( 約 31V) 出力電圧は正常か？
･ （CX081 6pin 出力 )
O.K.
+12V_D 出力電圧は正常か？
･ (L404 C471 側 )
O.K.
+3.3V_D 出力電圧は正常か？
･ (L405 C469 側 )
O.K.
37
一次側の回路部品の破損
･ [D405] (GSIB660)
･ [IC401] (SW_TRANS)
N.G.
･ [C432] (330/400）仕向け E2
(1000/200）仕向け E3/J
･ [T401] (SW_TRANS)
以下部品（周辺）の状態・半田付けチェック
N.G.
･ [CX081] (8P-PH)
ADV 側の回路のショート若しくは破損
以下部品（周辺）の状態・半田付けチェック
･ [T402] (POWER TRANS)
N.G.
･ [D408 ∼ D410] (RB521S)
･ [C436] (3300/25)
その他この出力の負荷となる回路
以下部品（周辺）の状態・半田付けチェック
･ [RL401] (DLS9D10_M)
N.G.
･ [TR401] (KTC3199)
･ [TR402] (KTC3875S)
その他この出力の負荷となる回路
以下部品（周辺）の状態・半田付けチェック
･ [IC401] (STR-F6267S) 仕向け E2
(STR-F6238S) 仕向け E3/J
･ [D405] (GSIB660)
･ [T401] (SW_TRANS)
N.G.
･ [IC407] (PC123-Y-22)
･ [IC405] (SE-B2)
･ [D402] (FMX-G22S)
･ [C447.C448] (2200/35)
その他この出力の負荷となる回路
以下部品（周辺）の状態・半田付けチェック
･ [IC402] 全てのピン (SPI-8002TW)
･ [L404] (7E10H_470M)
N.G.
･ [C471] (470/16)
･ [D426] (SFPB-74)
その他この出力の負荷となる回路
以下部品（周辺）の状態・半田付けチェック
･ [IC402] 全てのピン (SPI-8002TW)
･ [L405] (7E10H_470M)
N.G.
･ [C469] (470/10)
･ [D427] (SFPB-74)
その他この出力の負荷となる回路
S-102