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Yamaha DSP-AX457 User Manual

Yamaha DSP-AX457
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21
RX-V557/HTR-5850/DSP-AX557
RX-V457/HTR-5840/DSP-AX457
7. Removal of MAIN (1), (5) and POWER (1), (2) P.C.B.s
a. Remove CB354. (Fig. 5)
b. Remove 2 screws (0), 2 screws (A) and 3 screws (B).
(Fig. 5)
c. Remove MAIN (1), (5) and POWER (1), (2) P.C.B.s. (Fig. 5)
When checking the P.C.B.:
Put a Cloth over the equipment. Put the MAIN (1), (5), and
POWER (1), (2) P.C.B.s together with the heat sink upright
on the Cloth and check them. (Fig. 6)
Reconnect all cables (connectors) that have been
disconnected.
When connecting the flat cable, use care for the polarity.
The P.C.B. removed from the rear panel does not work
because its grounding is loose. Be sure to connect the
ground of each P.C.B. to the chassis or GND with a jumper
wire or the like.
Fig. 6
Fig. 5
7. MAIN(1)(5)POWER(1)(2)P.C.B.の外し方
a. CB354を外す。Fig.5)
b.
0
のネジ2本、
A
のネジ2本、
B
のネジ3本を外ます(Fig.5)
c. MAIN(1)(5POWER(1)(2)P.C.B.をす。
(Fig.5)
P.C.B.チクをする場合に
布を敷きます。その上にMAIN(1)(5)POWER(1)(2)
P.C.B.を ェッ クし (Fig.
6)
したケーブル(コネクター 続してくださ
・フトケーブルを接する際、極性に注意い。
アパネルからしたP.C.B.はアースが浮いて動ません
ので、各P.C.B.のアースをド線等でシシまはGND
に接続ださ
A
0
0
B
B
POWER (1) P.C.B.
POWER (2) P.C.B.
MAIN (5) P.C.B.
MAIN (1) P.C.B.
CB354
Cloth
布
DISASSEMBLY PROCEDURES/分解手順
HTR-5850 RX-V457/HTR-5840/DSP-AX457
Fig. 1
(Remove parts in the order as numbered.)
Disconnect the power cable from the AC outlet.
1. Removal of Top Cover
a. Remove 4 screws (1) and 5 screws (2). (Fig. 1)
b. Slide the Top Cover rearward to remove it. (Fig. 1)
2. Removal of Front Panel Unit
a. Remove 7 screws (3) and then slide the Front Panel Unit
forward. (Fig. 1)
b. Loosen the harness fixture fixing the cable.
c. Remove CB306, CB309, CB456 and CB863 and then remove
the Front Panel Unit. (Fig. 1)
(番号順に部品をしてさい
AC電源ンセトから、電源コドを抜いてさい
1.プカバーの外し方
a.
1
のネジ4本、
2
のネジ5本を外ます(Fig.1)
b. ップカバーを後方へスライドさせ取り外します(Fig.1)
2. ロンパネルユニトの外し方
a.
3
のネジ7本を外フロトパネルユニトを 出しま
す。(Fig.1)
b. ーブルしているめをゆるめます
c. CB306、CB309、CB456、CB863を外フロントパネル
ニットを取り外します (Fig.1)
Fig. 2
3. DSPP.C.B.の外し方
a. 4のネジ1本を外ます。(Fig.2)
b. 5のネジ6本を外ます。(Fig.3)
c. CB2、CB11を外す。(Fig.2)
d. SUBTRANS(2P.C.B.を上部に浮かせCB1を外す。(Fig.
2)
e. DSPP.C.B.をサポ/DSPと共に取ます(Fig.2)
3. Removal of DSP P.C.B.
a. Remove 1 screw (4). (Fig. 2)
b. Remove 7 (HTR-5850), 5 (RX-V457, HTR-5840) screws (5).
(Fig. 3)
c. Remove CB2 and CB11. (Fig. 2)
d. Lift up the SUBTRANS (2) P.C.B. and remove the CB1. (Fig. 2)
e. Remove the DSP P.C.B. with the Support/DSP. (Fig. 2)
1
1
3
3
3
2
2
2
CB309
CB306
CB456
Top Cover
トップカバー
Front Panel Unit
フロントパネルユニット
CB863
4
SUBTRANS (2) P.C.B.
DSP P.C.B.
CB1
CB11
CB2
Support/DSP
サポート/DSP

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Yamaha DSP-AX457 Specifications

General IconGeneral
BrandYamaha
ModelDSP-AX457
CategoryAmplifier
LanguageEnglish

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