Suzuki S-1800H80/180, Technical Manual

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【MAIN BOARD for MONITOR】
There are two types of the main boards, which are No.681and No.748.
The difference between No.681 and No.748 are circuit and some parts.
No.748 is interchangeable with No.681.
No.748 conforms to RoHS directive.
IMPORTANT NOTE for P-ROM
Ver. 2.1 or previous version of P-ROM works only on No.681 board.
Ver. 3.0 or latest version of P-ROM works on both No.681 and No.748 boards.
S-1800M10 Product label: S/No.0 - 1393 ⇒ Main board is No.681.
Product label: S/No.1394 - up ⇒ Main board is No.748.
S-1800M15 Product label: S/No.0 - 1486 ⇒ Main board is No.681.
Product label: S/No.1487
–
up ⇒ Main board is No.748.
S-1800MBB Product label: S/No.0 - 1349 ⇒ Main board is No.681.
Product label: S/No.1350
–
up ⇒ Main board is No.748.
【MAIN BOARD for HULL UNIT】
There are two types of the main boards, which are No.691and No.751.
No.751 conforms to RoHS directive.
No.751 is interchangeable with No. 691. (However, caution should be taken on P-ROM.)
IMPORTANT NOTE for P-ROM
Ver. 2 or previous version of P-ROM works only on No.691 board.
Ver. 3 or latest version of P-ROM works only on No.751 board.
S-1800H80kHz Product label: S/No.0 - 8075 ⇒ Main board is No.691.
Product label: S/No.8076 - up ⇒ Main board is No.751.
S-1800H180kHz Product label: S/No.0 - 2222 ⇒ Main board is No.691.
Product label: S/No.2223 - up ⇒ Main board is No.751.
RoHS：
The Directive on the Restriction of the Use of Certain Hazardous Substances in Electrical and
Electronic Equipment (commonly referred to as the Restriction of Hazardous Substances
Directive or RoHS) was adopted by the European Union.
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