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Harman Kardon AVR137 - Disassembly Procedures (Part 2); Power LED PCB Removal; FIP PCB Removal; Tuner Module Removal

Harman Kardon AVR137
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3. Remove 2 screws(S8) and then remove the Tuner Module(42).
<8>VIDEO PCB(41) REMOVAL
1. Remove the Top-cabinet, referring to the previous step<1>.
2. Disconnect the card cable between connector(BN14-13p) on the Video PCB(41)
and connector(CN14) on the Input PCB(39-1).
3. Disconnect connector(CN43) on the Video PCB(41)
from the lead wire(BN43-4P) on the Regulator PCB(A)(40-2).
4. Disconnect connector(CN41) on the Video PCB(41) from the lead wire(BN41-6P) on the Volume PCB(37-6).
5. Remove 6 screws(S8) and then remove the Video PCB(41).
<9>INPUT PCB(39-1) REMOVAL
1. Remove the Top-cabinet, referring to the previous step<1>.
2. Remove the Tuner module(42), referring to the previous step<7>
3. Remove the Video PCB(41), referring to the previous step<8>
4. Disconnect connector(CN20) on the the Input PCB(39-1)
from the lead wire(BN20-5P) on the Regulator PCB(B)(40-5).
5. Disconnect connector(CN22) on the Input PCB(39-1) from the lead wire(BN22-6P) on the Phone PCB(37-5).
6. Disconnect connector(CN18) on the Input PCB(39-1) from the lead wire(BN18-5P) on the Phone PCB(37-5)
7. Disconnect connector(CN10) on the Input PCB(39-1) from the lead wire(BN10-4P) on the Volume PCB(37-6).
8. Disconnect the card cable between connector(CN14) on the Input PCB(39-1).
and connector(BN14-9p) on the Video PCB(41).
9. Disconnect the card cable between connector(CN12-21p) on the Input PCB(39-1)
and connector(CN12-21p)) on the main PCB(38-1)
10. Disconnect the card cable between connector(CN11-13p) on the Input PCB(39-1)
and connector(CN11-13p) on the main PCB(38-1)
11. Disconnect connector(CN49) on the Input PCB(39-1) from the lead wire(BN49-5P) on the Rds PCB(39-2).
12. Remove 11 screws(S8,S15) and then remove the Input PCB(39-1).
<10>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 .
<11>MAIN PCB ASS’Y(38-1) REMOVAL
1. Remove the Top-cabinet, referring to the previous step<1>.
2. Remove the Tuner module(42), referring to the previous step<7>.
3. Remove the Video PCB(41) referring to the previous step<8>.
5. Remove the Input PCB(39-1), referring to the previous step<9>.
6. Remove the AC Cord(35) on the Main PCB(38-1)
7. Disconnect the lead wire(BN90-2P) on the Main PCB(38-1) from connector(CN86) on Moms PCB(37-4).
harman/kardon
AVR137/230 Service Manual
Page 9 of 87
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