Harman Kardon AVR 350/230, Service Manual

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from the lead wire(BN90) on the A-BUS PCB(39-3).
3. Disconnect the card cable between connector(CN16-12P) on the Input PCB(39-1).
and connector(BN16-12P) on the A-BUS PCB(39-3).
4. Remove 3screws(S13) and then remove the A-BUS PCB ASS’Y(39-3).
<18>MAIN PCB ASS’Y(38-1) REMOVAL
1. Remove the Top-cabinet, referring to the previous step<1>.
2. Remove the Tuner module(43), referring to the previous step<8>.
3. Remove the Hudson PCB(42), referring to the previous step<9>.
4. Remove the Video PCB(41), referring to the previous step<10>.
5. Remove the iPod PCB(39-2), referring to the previous step<11>.
6. Remove the XM PCB(39-4), referring to the previous step<12>.
7. Remove the RS232 PCB(37-7), referring to the previous step<13>.
8. Remove the Input PCB(39-1), referring to the previous step<14>.
9. Remove the A-BUS PCB(39-3), referring to the previous step<17>.
10. Remove the AC Cord wire from the connector (CN92-2P) of the Main PCB(38-1)
11. Disconnect the lead wire(BN90-2P) on the Main PCB(38-1) from connector(CN86) on Moms PCB(37-4).
12. Disconnect connector (CN91-3P) on the Main PCB(38-1) from lead wire of the Power Trans(36)
13. Disconnect the lead wire(BN89-2P) on the Main PCB(38-1)
from connector(CN89) on Regulator PCB(C)(39-6).
14. Disconnect the lead wire(BN19-3P,BN20-4P) on the Main PCB(38-1)
from connector(CN19-3P,CN20-4P) on TRANS PCB(40-4).
15. Disconnect the lead wire(BN88-6P) on the Main PCB(38-1) from connector(CN88) on remote PCB(40-7).
16. Disconnect the lead wire of the DC, FAN(49) from connector(CN89-2P) on the Main PCB(38-1).
17. Disconnect the lead wire(BN97-3P) on the Main PCB(38-1)
from connector(CN97) on Regulator PCB(C)(39-6).
18. Remove 11screws(S13-1EA, S4-2EA, S6-2EA, S8-6EA) and then remove the Main PCB ASS’Y(38-1).
harman/kardon AVR 347/230 - AVR 350/230 Service Manual
Page 10 of 95