Circuit Diagram - Yamaha PSR-S770 Service Manual

CIRCUIT DIAGRAM

■ ■ CONTENTS
PSR-S770 BLOCK DIAGRAM .................................................................... 3
PSR-S970 BLOCK DIAGRAM .................................................................... 4
CIRCUIT DIAGRAM
DMM (001–005) (PSR-S770) ........................................................... 5–9
DMH (001–005) (PSR-S970) ........................................................ 10–14
AJACK (AJACK, HP, MOD, PB) ......................................................... 15
PN1 001 (PNM) .................................................................................. 16
PN1 002 (PNS) ................................................................................... 17
PN1 003 (KNOB) ................................................................................ 18
PN2 (PNC/PNL/PNR) .......................................................................... 19
EMKS61A, MK-H, MK-L .................................................................... 20
Note : See parts list for details of circuit board conponent parts.
■ WARNING
Components having special characteristics are marked
with parts having specification equal to those originally installed.
DIGITAL WORKSTATION
and must be replaced