Harman Kardon AVR 350/230, Service Manual

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<13>RS232 PCB(37-7) REMOVAL
1. Remove the Top-cabinet, referring to the previous step<1>.
2. Remove the Hudson PCB(42), referring to the previous step<9>.
3. Remove the Video PCB(41), referring to the previous step<10>.
4. Disconnect the card cable between connector(CN47-7P) on the iPod PCB(39-2)
and connector(CN47) on the RS232 PCB(37-7).
5.Remove 2 screws and then remove the RS232 PCB(37-7).
<14>INPUT PCB(39-1) REMOVAL
1. Remove the Top-cabinet, referring to the previous step<1>.
2. Remove the Tuner module(44), 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. Disconnect connector(CN20) on the the Input PCB(39-1)
from the lead wire(BN20-5P) on the Regulator PCB(B)(40-5).
6. Disconnect connector(CN22) on the Input PCB(39-1) from the lead wire(BN22-6P) on the Phone PCB(37-5).
7. Disconnect connector(CN18) on the Input PCB(39-1) from the lead wire(BN18-5P) on the Phone PCB(37-5)
8. Disconnect connector(CN10) on the Input PCB(39-1) from the lead wire(BN10-4P) on the Volume PCB(37-6).
9. Disconnect the card cable between connector(CN14) on the Input PCB(39-1).
and connector(BN14-17P) on the Video PCB(41).
10. Disconnect the card cable between connector(CN19) on the Input PCB(39-1)
and connector(BN19-15P) on the I-Pod PCB(39-2).
11. Disconnect the card cable between connector(CN21) on the input PCB(39-1)
and connector(BN21-7P) on XM PCB(43).
12. Disconnect the card cable between connector(CN12-21p) on the Input PCB(39-1)
and connector(CN12-21p)) on the main PCB(38-1)
13. Disconnect the card cable between connector(CN11-17p) on the Input PCB(39-1)
and connector(CN11) on the main PCB(38-1)
14. Disconnect the card cable between connector(CN72) on the Input PCB(39-1)
and connector(CN72-17p) on the Fip PCB(37-1)
15. Disconnect the card cable between connector(CN16-12P) on the Input PCB(39-1)
and connector(BN16) on the A-BUS PCB(39-3)
16. Remove 11 screws(S8,S15) and then remove the Input PCB(39-1).
<15>POWER TRANS(36) & POWER PCB ASS’Y(40) REMOVAL
1. Remove the Top-cabinet, referring to the previous step<1>.
2. Disconnect lead wire of the Power Trans(36) from connector (CN91-3P) on the Main PCB(38-1)
3. Disconnect connector(CN19-3P,CN20-4P) on TRANS PCB(40-3)
from the lead wire(BN19-3P,BN20-4P) on the Main PCB(38-1).
4. Disconnect the lead wire(BN96-8P) on the Power PCB(40-4)
from connector(CN96) on the Regulator PCB(B)(40-5).
5. Disconnect the lead wire(BN99-8P) on the Power PCB(40-4)
from connector(CN99) on the Regulator PCB(A)(40-2).
6. Disconnect connector(CN81) on the Trans PCB(40-4) from the lead wire(BN81-8P) on the Fip PCB(37-1).
7. Remove 4 Trans screws(S9) and then remove the Power Trans(36)& Power PCB ASS’Y(40) REMOVAL .
<16>REMOTE PCB ASS’Y(40-7) REMOVAL
1. Remove the Top-cabinet, referring to the previous step<1>.
2.Disconnect connector(CN88) on the remote PCB(40-7) from the lead wire(BN88-6P) on the Main PCB(38-1)
3. Remove 3screws(S13) and then remove the Remote PCB ASS’Y(40-7).
<17>A-BUS’Y(39-3) REMOVAL
1. Remove the Top-cabinet, referring to the previous step<1>.
2. Disconnect connector(CN90-2P) on the Regulator(C) PCB(39-6)
harman/kardon AVR 347/230 - AVR 350/230 Service Manual
Page 9 of 95