Parts List - Yamaha PSR-S750 Service Manual

X W V U
<Page 1>
PSR-S750 DM 001 CIRCUIT DIAGRAM (1/11)
1
SWX08
2
VOLTAGE DETECTOR
3
4
5
SWX08
6
7
8
9
SWX08
10
11
12
13
14
15
REGULATOR +1.2V
16
17
PSR-S750
X W V U
T S R Q P
INVERTER
AND
TRANSCEIVER
INVERTER
AND
SWP51L
SWP51L
REGULATOR +1.5V
T S R Q P
O N M L K
TRANSCEIVER
SDRAM 256M
SDRAM 256M
LCDC
to LCD
O N M L K
J I H G F
FLASH ROM 128M BACKUP
FLASH ROM 256M PROGRAM
CONTENTS
PSR-S750/PSR-S950 OVERALL CIRCUIT DIAGRAM
AJACK .............................. 10
DM 001 (PSR-S750) ........... 1
DM 002 (PSR-S750) ........... 2
DM 003 (PSR-S750) ........... 3
DM 001 (PSR-S950) ........... 4
DM 002 (PSR-S950) ........... 5
DM 003 (PSR-S950) ........... 6
to LCD
28CC1-2001092498-1 2
J I H G F
E D C B A
PSR-S750
SWP51L
MOD ................................. 10
DM 004 (PSR-S950) ........... 7
PB ..................................... 10
DM 005 (PSR-S950) ........... 8
DM 006 (PSR-S950) ........... 8 PNC .................................... 9
EMKS61A ......................... 10 PNL ..................................... 9
PNM .................................... 9
HP ..................................... 10
PNR .................................... 9
MK-H ................................ 10
MK-L ................................. 10 PNS .................................... 9
Notation for Circuit Diagrams
1. How to identify inter-sheet connectors
Signal name
This indicates the location of the counter inter-sheet connector.
(The alphabet indicates horizontal direction and the number
indicates vertical direction.)
The 3-digit number indicates the destination page.
2. Connection of connectors.
(Example) to AJACK-CN2
<Page 10: V-4>
Page 10 are the page of a circuit diagram.
V-4 is indicates the location of the counter inter-circuit board connector.
(The alphabet indicates horizontal direction and the number indicates vertical direction.)
Not installed
Note : See parts list for details of circuit board component parts.
PSR-S750
E D C B A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17