Suzuki S-1800H80/180, Technical Manual

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【 POWER SUPPLY PCB and TR PCB for HULL UNIT 】
POWER SUPPLY PCB: NO.703
OLD NEW
TR PCB: NO.685 -180kHz
（
In total 3 types, 2 old types and one new type
）
OLD NEW
There are 2 kinds on the There is one kind on the
“No seal” type. “
12dB
seal ” type.
TR PCB: No.685-80kHz
OLD NEW
-34-
Check pin
Silk screen printing : 85V
Next to Check pin
「
70V
」
seal
No seal
12dB
seal
How to distinguish the type
U1: 3-terminalregulator
Circuit Diagram:
180kHz
①
How to distinguish the type
U1: Choke Coil
Circuit Diagram:
180kHz
②
Circuit Diagram:180kHz ②
How to distinguish the type
U1: 3-terminalregulator
Circuit Diagram:
80kHz
①
How to distinguish the type
U1: Choke Coil
Circuit Diagram:
80kHz
②