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<P.2>
Tyros
Tyros
Tyros
■
Tyros OVERALL CIRCUIT DIAGRAM 2/10 (DM 1/4)
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28CC1-8824211 (1/4)
REG3.3V
AND
AND
AND
USB
CONTROLLER
DECODER
FLASH ROM 64M
(PROGRAM L)
MASK ROM 64M
(STYLE)
FLASH ROM 64M
(STYLE)
FLASH ROM 32M
FLASH ROM 64M
(PROGRAM H)
INVERTER
OR
D-FLIP FLOP
DELAY STEP
AND
OR
INVERTER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
DRAM 64M
DRAM 64M
INVERTER
to FDD Unit
to HARD DISK Unit
(Option)
<P.2 G-3>
<P.2 D-1>
<P.2 G-3>
<P.2 D-1>
<P.2 G-3>
<P.2 D-1>
<P.2 E-1>
<P.2 E-1>
<P.2 B-7>
<P.2 C-6>
<P.2 J-2>
<P.2 B-6>
<P.2 B-6>
<P.5 J-6>
<P.5 J-7>
<P.2 I-5>
<P.2 G-6>
<P.2 F-1>
<P.2 G-6>
<P.2 G-6>
<P.2 I-6>
<P.2 D-6>
<P.2 D-6>
<P.2 J-2>
<P.2 J-2>
<P.2 J-2>
<P.2 J-2>
<P.2 I-3>
<P.2 J-5>
<P.2 B-6>
<P.2 J-5>
<P.2 J-5>
<P.2 F-5>
<P.2 C-6>
<P.2 G-4>
<P.2 B-6>
<P.2 E-1>
<P.2 E-1>
<P.3 K-8>
<P.3 K-8>
<P.3 B-7>
<P.2 G-2>
<P.2 G-2>
<P
.2 B-2>
<P
.2 C-2>
<P
.2 F-2>
<P
.2 G-2>
<P
.5 H-7>
<P.2 G-2>
<P.2 B-2>
<P.2 B-2>
<P.2 I-6>
<P.2 G-6>
<P.2 F-1>
<P.2 F-1>
<P.2 F-1>
<P.2 H-6>
<P.2 H-6>
<P.2 F-1>
<P.2 E-6>
<P.3 D-1>
<P.3 D-7>
TO PAGE 5
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Either IC23 or IC24
is installed.
Note: See parts list for details of citcuit baord component parts.
<P.5 J-8>
Notation for Circuit Diagrams
1. How to identify inter-sheet connectors.
Signal name
The 2-digit number indicates the distination page.
This indicates the location of the counter inter-sheet connector.
(The alphabet indicates horizontal direction and the number
indicates vertical direction.)