Yamaha Ysp1 Service Manual

SERVICE  MANUAL
DIGITAL SOUND PROJECTOR
YSP-1

CONTENTS
TO SERVICE PERSONNEL .......................................... 2
FRONT PANEL .............................................................. 3
REAR PANELS .............................................................. 3
REMOTE CONTROL PANELS ...................................... 4
SPECIFICATIONS / 

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WARNING: CHEMICAL CONTENT NOTICE!
The solder used in the production of this product contains LEAD.  In addition, other electrical/electronic and/or plastic (where
applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and
possibly other entities) to cause cancer and/or birth defects or other reproductive harm.
DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REA-
SON WHATSOEVER!
Avoid prolonged,...

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■FRONT PANEL
BOTTOM VIEW
■REAR PANELS
U, C models T model
K model
B, G models L model
J model
R model
A model
J model only 

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REMOTE CONTROL PANELS
SPECIFICATIONS / 

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INTERNAL VIEW
3
4
6
71 DRIVER, WOOFER
2 DRIVER, TWEETER
3 INPUT (3) P.C.B.
4 INPUT (4) P.C.B. 
5 AMP P.C.B.
6 INPUT (2) P.C.B.
7 DSP P.C.B. 
8 
SWITCHING POWER SUPPLY UNIT
9 INPUT (5) P.C.B.
4 INPUT (1) P.C.B.  FRONT VIEW
REAR VIEW
REAR UNIT2
2
1
1
58
9
0
5
• DIMENSIONS


GO
$
118 (4-11/16) 194 (7-5/8)
1030 (40-9/16)
Unit : mm (inch)
o

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SET MENU TABLE / ·¿ÄÝÇá”
*1... Distance between this unit and floor. / Š;q	šqw‘m
*2... Distance in the lateral direction of the room (length of the wall on the left side of the user) / 
æ0w#M²w‘m
	┲”w(w‘m

*3... Distance in the longitudinal direction of the room (length of the wall on the right side of the user) / 
æ0w	NM²w‘m
	

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1
1
1
1 2
Top Panel
Ä¿ÓÍÉç Top Panel
Ä¿ÓÍÉç
Plate/ Top
Óè”Ä—Ä¿Ó
Fig. 1
1. Removal of Top Panels and Plate/Top
a. Remove 8 screws (1). (Fig. 1)
b. Remove 2 Top Panels.
c. Remove 2 screws (2). (Fig. 1)
d. Remove the Plate/Top.
 

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When checking the P.C.B. :
• The Rear Unit removed from the unit does not work
because its grounding is loose. Be sure to connect the
ground of the Rear Unit to the chassis or GND with a
lead wire or the like.  (Fig. A)
• Reconnect all cables (connectors) that have been
disconnected.
Be sure to use the extension cable for servicing for the
following section.
DSP P.C.B. CB300 – INPUT (2) P.C.B. CB9 :
MFA27160 (27P 160mm)
DSP P.C.B. CB1, CB2 – AMP P.C.B. CB3 :
MFA18160 (18P 160mm)
• When...

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 */165¢£1$#w

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