526j7 psr175, SCHEMATY SERWISOWE KEYBOARD, service manual yamaha psr

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SERVICE MANUAL
The PSR-175 service manual provides only the differences as
compared with the PSR-170. You must have a PSR-170 service
manual (
PK 001652
) before servicing this unit.
CONTENTS
SPECIFICATIONS .............................................................................. 3
PANEL LAYOUT ................................................................................. 4
C
O
M
PARTS LIST
PK
001715
’04.01
PSR-175
IMPORTANT NOTICE
This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed
that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and
understood by the users, and have therefore not been restated.
WARNING :
Static discharges can destroy expensive components. Discharge any static electricity your body
may have accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires
connect to this bus).
IMPORTANT :
Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply
power to the unit.
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
REASON WHAT SO EVER!
Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose
eyes to solder/flux vapor!
If you come in contact with solder or components located inside the enclosure of this product, wash your hands before
handling food.
WARNING
Components having special characteristics are marked
Z
and must be replaced with parts having specification equal to
those originally installed.
2
 PSR-175
SPECIFICATIONS
Keyboard
61 standard-size keys (C1 - C6)
Speakers
12cm x 2
Display
Large multi-function LCD display
Power consumption
VL/CSA 6.8W, CE7.5W (when using PA-3B power adaptor)
Setup
STANDBY/ON
MASTER VOLUME : MINI-MAX
Power supply
Adaptor:
Yamaha PA-3C or PA-3B AC power adaptor
Batteries:
Six “D” size, R20P(LR20) or equivalent batteries
Panel controls
Overall, SONG, VOICE, STYLE, DEMO, POTABLE
GRAND, DJ, METRONOME, Dict., L, R, TEMPO/TAP numeric
keypad (0 - 9, +,-)
Dimensions
931 x 348.8 x 127.9 mm (36-2/3" x 13-3/4" x 5-1/16")
Weight
4.4kg (9 Ibs., 11 oz.)
Voices
100 panel voices (max. polyphony : 16)
Supplied accessories
Music Rest, Owner’s Manual, Song Book
Effects
Dual (Included in Voice),
Harmony/Echo (Included in Voice),
Split (Included in Voice),
Sustain
Optional accessories
Headphones: HPE-150
AC power adaptor: PA-3C or PA-3B
Keyboard stand:
L-2L, L-2C
Auto Accompaniment
100 styles
Fingering:
Multi Fingering
Sections:
Intro, Main A, B, Ending, Fill
Overall controls
Multi Pad, Grade, Talking, Transpose, Tuning, Accompaniment
Volume, Song Volume, Metronome Volume
Style controls
Acmp On/Off, Sync-Start, Start, Stop, Intro/Ending/rit., Main A,
B (Auto Fill)
Song controls
Start, Stop, Pause, A-B Repeat, Fast Forward, Rewind, Mel-
ody Voice Change
One Touch Setting
1/style, 1/song
Multi Pads
4 pads x 10 banks
Yamaha Education Suite
Dictionary, Lesson 1-4
Preset songs
100 songs
Amplifier
2.0W + 2.0W
MIDI
IN/OUT
Auxiliary jacks
PHONES/OUTPUT, DC IN 12V, MIDI IN/OUT, SUSTAIN
3
 PSR-175
PANEL LAYOUT
Top Panel
!2
!0
r
t
q
e
o
w
y
GrandPno
!1
u
i
!8
!9
@0
!3
!4
!5
!6
!7
q
[MASTER VOLUME] dial
!2
Numeric keypad, [+/ON] and [-/OFF] buttons
w
!3
Power switch ([STANDBY/ON])
[ACCOMPANIMENT ON/OFF]
([A-B REPEAT]) button
e
LESSON [L] (Left) and [R] (Right) buttons
r
[Dict.] (DICTIONARY) button
!4
[SYNC START] ([
PAUSE]) button
t
[OVERALL] button
!5
[START/STOP] button
y
[SONG] button
!6
[INTRO/ENDING/rit.] ([
REW]) button
u
[VOICE] button
!7
[MAIN/AUTO FILL] ([
FF]) button
i
[STYLE] button
!8
[TEMPO/TAP] button
o
!9
[DEMO] button
[PORTABLE GRAND] button
!0
[METRONOME] button
@0
[MULTI PAD/DJ GAME] buttons
!1
[DJ] button
Rear Panel
@1
@2
@3
@4
@1
[MIDI IN], [MIDI OUT] terminals
@3
[PHONES/OUTPUT] jack
@2
[SUSTAIN] jack
@4
[DC IN 12V] jack
4
 PSR-175
CIRCUIT BOARDS
DM-LCD Circuit Board
to MK-L
to PN-AM 2/2-CN201
Component side
Pattern side
2NA-V692510 2
Note :
See parts list for details of circuit board conponent parts.
5
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