Denon S-302 Service Manual page 39
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Also See for S-302:
- Owner's manual (63 pages) ,
- Quick setup manual (5 pages) ,
- Code list (3 pages)
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(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?
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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
w w w
• Voltage Check
+3.3V_D DC (non-switched) Voltage is O.K.?
(L405 C469 side)
.
O.K.
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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)
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u 1 6 3
y
• [C469]
(470/10)
• [D427]
(SFPB-74)
i
and Other Circuits
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S-302
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