— 11 —
Note: Fix the LED (D301, D302, D303, D304, D305, D306, D307) to the PCB according to the height as shown in
the figure below while paying attention to the polarity.
Refer to the illustration on the PCB for the details of the polarity.
Anode
Cathode
D301 D302
D306
D303
D305
■
D301, D302
D307
9. Remove 13 screws and then the lower case.
Note: Tighten the screw with the arrow mark in the figure first when reassembling.
Cushion
D304
Note: Mount LED on the PCB. (solder side)
Correct polarity and height as follows.
■
D303, D304
15.0 ± 0.5 mm
SOLDER SIDE
COMPONENT SIDE
14.5 ± 0.5 mm
SOLDER SIDE
COMPONENT SIDE
■
D305
■
D306, D307
12.5 ± 0.5 mm
SOLDER SIDE
COMPONENT SIDE
6.8 ± 0.5 mm
SOLDER SIDE
COMPONENT SIDE
Summary of Contents for CTK-691
Page 1: ...ELECTRONIC KEYBOARD CTK 691 CTK 691 JUN 2003 Ver 2 Sep 2006...
Page 7: ...5 PRINTED CIRCUIT BOARDS Main PCB M705 MA1M Top View Bottom View...
Page 8: ...6 Sub PCB M705 MA2M LCD PCB M705 LCD1M Top View Top View...
Page 19: ...17 SCHEMATIC DIAGRAMS Main PCB M705 MA1M...
Page 20: ...18 Sub PCB M705 MA2M...
Page 21: ...19 CONSOLE PCBs M705 CN1M CN2M CN3M CN4M...
Page 22: ...20 Display PCB M705 LCD1M...
