TK-890/(B)/H(B)
DISASSEMBLY FOR REPAIR
6. Disassembly of the Display Unit (X54-3190) : KCH-10
1. Pull out the VOL and UP/DOWN knobs ( 1 ). 2. Remove the 2 hexagnal nuts ( 2 ). 3. Disconnect the 2 connectors (CN2 and CN4) of the display unit (X54-3190 A/3). You can remove the UP/ DOWN encoder ( 3 ). 4. Remove the waterproof seal ( 4 ). 5. Remove the 4 screws ( 5 ) holding the speaker and PC board fitting. 6. Remove the 3 screws ( 6 ). You can remove the display units (X54-3190 A/3 and C/3) ( 7 and 8 ). 7. Remove the 3 screws ( 9 ), and remove the sub-panel ( 10 ) and keytop ( 11 ).
7. Disassembly of the Display Unit (X54-3200) : KCH-11
1. 2. 3. 4. Pull out the VOL and UP/DOWN knobs ( 1 ). Remove the 2 hexagnal nuts ( 2 ). Remove the waterproof seal ( 3 ). Disconnect the connector (CN4) of the display unit (X543200 A/2), and remove the 5 screws ( 4 ). you can remove the up/down encoder ( 5 ) and display unit. 5. Remove the 4 screws ( 6 ), and remove the sub-panel ( 7 ) and keytop ( 8 ).
