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Yamaha Tyros 1 Service Manual

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TyrosTyros Tyros
 Tyros OVERALL CIRCUIT DIAGRAM 8/10 (AJACK, REG, INLET, PHONES, SPOUTL, SPOUTR, MICVR, MICVRSUB)
28CC1-8824217 7
AJACK
MICVRSUB
MICVR
28CC1-8824219 1
to DM-CN9
to FDD Unit
(Power)
Power Supply Unit
OP AMP
OP AMP
OP AMP
OP AMP OP AMP
OP AMP VCA
WOOFER L
WOOFER R
LOOP SEND
(L/L+R)
IN/LOOP RETURN
(L/L+R)
LINE OUT MAIN
(L/L+R) IN/LOOP RETURN
(R)
LINE OUT MAIN
(R)
LINE OUT SUB1
LINE OUT SUB2TRIM LOOP SEND
(R) TRIM
INPUT MIC/LINE IN
INLET
28CC1-8824219 1
28CC1-8824213 1
to LCR-CN7MASTER VOLUME
PHONES
28CC1-8824219 1
PHONES
SPOUTL28CC1-8824219 1
SP OUT-L
SPOUTR28CC1-8824219 1
SP OUT-R
POWERON /    OFF
REG
28CC1-8824561to DM-CN1
Note: See parts list for details of citcuit baord component parts.
WARNINGComponents having special characteristics are maked     and
must be replaced with parts having specification equal to those originally installed.
µPC2933HF (XW196A00)
REGULATOR +3.3V 
1
2
3
3: OUTPUT 2: COMMON 1: INPUT
1SS355 (
VT332900)
DIODE
1: ANODE
2: CATHODE
21 REG: IC1, IC2, IC3
The Umodel is a polarized type.
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TyrosTyros Tyros
28CC1-8824214 28CC1-882421528CC1-8824215
PNC
LCD DISPLAY
LCL
LCR
to PNR-CN4 to PNR-CN3
to PNL-CN3
LCD CONTRASTto MICVR-CN5
Backlight Unit LCD Panel
 Tyros OVERALL CIRCUIT DIAGRAM 9/10 (PNC, LCL, LCR)
Note: See parts list for details of citcuit baord component parts.
1SS355 (
VT332900)
DIODE
1: ANODE
2: CATHODE
21
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TyrosTyros Tyros
 Tyros OVERALL CIRCUIT DIAGRAM 10/10 (DJACK, EMKS-N, PC, 61H, 61L)
28CC1-882243728CC1-8822436
GND terminal28CC1-8824218 2
DJACKEMKS-N
PC
28CC1-8824228
28CC1-8824229to DM-CN21 to DM-CN2
to DM-CN8
to PC Sensorto DM-CN13
PHOTO COPLER
PHOTO COPLER
CPU
1(SUSTAIN)
2(DSP VARIATTION)
3(VOLUME)
ASSIGNABLE FOOT PEDAL
MIDI B MIDI A
OUT
IN
OUT
INVIDEO OUT
USB
61H
61L(C4-C6)
(C1-B3)
Note: See parts list for details of citcuit baord component parts.
1SS133, 1SS176 (
VB941200)
DIODE
1
2
1: ANODE
2: CATHODE
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