HK 3380 (serv.man9) - Harman Kardon Audio Service Manual (repair manual). Page 5

 

<8>VIDEO PCB(43) REMOVAL 
    1. Remove the Top-cabinet, referring to the previous step<1>.   

2. Disconnect the connector (CN91) on the Main PCB ASS’Y(44) from lead wire(BN91-9P) 

on the Video PCB(43). 

3. Remove 4 screws(S8,S13) and then remove the Video PCB(43). 

 
<9>DOWNLOAD PCB(42) REMOVAL   
    1. Remove the Top-cabinet, referring to the previous step<1>. 

2. Disconnect the connector (CN89) from lead wire(BN89-7P) on the Front PCB(37). 
3. Remove 2 screws(S4) and then remove the Download PCB(42).   

 
<10>POWER TRANS(30) REMOVAL 

1. Remove the Top-cabinet, referring to the previous step<1>. 
2. Disconnect the connector (CN62,CN63,CN64) on the Trans PCB from lead wire(BN62-2P,BN63-3P,BN64-6P)   

on the Main PCB(44). 

3. Remove 4 Trans screws(S9) and then remove the Power Trans(30).   

 
<11>MAIN PCB ASS’Y(44) REMOVAL   
    1. Remove the Top-cabinet, referring to the previous step<1>. 

2. Remove the Power Trans(30), referring to the previous step<10>. 
3. Disconnect the connector(CN81-20P wire ass’y) from connector(CN81-7P) on the Front PCB(37). 
4. Disconnect the connector(CN82) from lead wire(BN82-7P) on the Front PCB(37). 
5. Disconnect the connector(CN71) from lead wire(BN71-12P) on the Tone PCB(38). 
6. Disconnect the connector(CN72) from lead wire(BN72-5P) on the Tone PCB(38). 
7. Disconnect the connector(CN73) from lead wire(BN73-3P) on the Phone PCB(40). 
8. Disconnect the connector(CN91) from lead wire(BN91-9P) on the Video PCB(43). 
9. Disconnect the connector(CN26-Card cable) from lead wire(CON1) on the Tuner Module(34). 
10. Disconnect the connector(CN61) from Power cord(35). 
11. Remove 21 screws(S8-11EA, S13-1EA, S4-2EA, S6-2EA, S15-1EA, S12-3EA, S5-1EA) and then   

remove the Main PCB ASS’Y(44).