Yamaha PortaTone PSR-A300 Service Manual - Page 5

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Yamaha PortaTone PSR-A300 Service Manual
CIRCUIT BOARD LAYOUT & WIRING
Upper case side
+ +
– –
Speaker R
Lower case side
No.
Location
Parts No.
q
30
WE138500
w
40
WE138700
e
50
WE138800
r
120
(WE15140)
t
230
(WE14140)
y
WA103
(WE13910)
u
WA401
(WE13900)
i
WA403
(WE14120)
o
WA404
(WE14130)
!0
WA501
(WE14080)
!1
WA502
(WE13970)
!2
WA504
(WE16450)
!3
WA505
(WE16460)
!4
WA601
(WE14060)
!5
WH001
(WE35540)
!6
150c
V8696200
*The parts with "( )" in "Part No." are not available as spare parts.
*1: Installation
*2: Manual soldering
*3: Dip soldering
*4: Edge mark is adjusted to Pin 1 mark (
*5: Edge mark is adjusted to + mark ( + mark).
*6: Red wire is adjusted to Pin 1 mark (
*7: Battery terminal A (Black wire), Battery terminal B (Red wire)
Caution: Be sure to attach the removed filament tape just as it was before removal.
PNAM
o
!4
!0
2/3
!2
!3
q
w
61-L
Connector
Assembly
MK1
61H-CN1
MK2
61H-CN2
MK3
61L-CN5
Battery terminal A
BATT
Battery terminal B
Back light assembly ±
BL
AM
PNAM1/3-CN103
VOL
PNAM1/3-CN401
SPL
PNAM1/3-CN403
SPR
PNAM2/3-CN404
PNAM2/3-CN501
PN1
PN2
PNAM1/3-CN503
ORIPN1
PN1-CN201
ORIPN2
PN2-CN301
JACK
PNAM2/3-CN601
PB
PB-CN1
61H-CN3
mark).
mark).
PNAM
t
1/3
DMLCD
PN2
y
!1
!2
e
!6
Destination
*1
*4
DMLCD-CN831
*1
*4
DMLCD-CN832
*1
*4
DMLCD-CN833
*2
*7
PNAM1/3-CN101
*2
*7
*2
*5
PNAM1/3-CN102
*3
*4
DMLCD-CN131
*3
*4
PNAM3/3-CN402
Speaker-L ±
*3
*5
Speaker-R ±
*3
*5
*3
*4
DMLCD-CN531
*3
*4
PNAM2/3-CN502
*3
*4
PNAM2/3-CN504
*3
*4
PNAM2/3-CN505
*3
*4
DMLCD-CN631
*3
*6
DMLCD-CN901
*1
*4
61L-CN4
PNAM
i
3/3
– –
+ +
PN1
Speaker L
!5
u
PB
r
61-H
Remarks
*1
*4
12P
*1
*4
5P
*1
*4
3P
*1
*6
3P
*1
*4
2P
*1
*4
11P L=170
*3
*4
5P L=120
*2
*5
2P L=280
*2
*5
2P L=220
*1
*4
16P L=100
*3
*4
10P L=340
*1
*4
11P L=500
*1
*4
9P L=300
*1
*4
9P L=70
*1
*6
3P L=540
*1
*4
12P L=210
PSR-A300
5