Disassembly Procedures - Harman Kardon HK3480 Service Manual

HK3480

DISASSEMBLY PROCEDURES

<1> TOP-CABINET(21) REMOVAL
1. Remove 13 screws(S1) and then remove the Top-cabinet.
<2> FRONT PANEL ASS'Y REMOVAL
1. Remove the Top-cabinet, referring to the previous step<1>.
2. Disconnect the lead wire(BN71-12P,BN72-5P) on the Tone PCB(38) from connector(CN71,CN72) on the
Main PCB(44).
3. Disconnect the lead wire(BN82-7P) on the Front PCB(37) from connector(CN82) on the Main PCB(44).
4. Disconnect the connector(CN81-20P wire assy) on the Front PCB(37) from connector(CN81)
on the Main PCB(44).
5. Disconnect the lead wire(BN73-3P) on the Phone PCB(40) from connector(CN73) on the Main PCB(44).
6. Disconnect the lead wire(BN89-7P) on the Front PCB(37) from connector(CN73) on the Download PCB(44).
7. Remove 1 screw(S10) and then lead wire(JW73-2P) on the Phone PCB(40).
8. Remove 1 screw(S10) and then lead wire(JW72-1P) on the Tone PCB(38).
9. Remove 9 screws(S1) and then remove the Front Panel ASS'Y.
<3> TONE PCB(38) REMOVAL
1. Remove the Top-cabinet, referring to the previous step<1>.
2. Remove the Front Panel ASS'Y, referring to the previous step<2>.
3. Pull out the Volume Knob ASS'Y & 3 Rotary Knobs(5).
4. Remove 9 screws(S1,S11) and then remove the Tone PCB(38).
5. Disconnect the lead wire(BN83-4P) from connector(CN83) on the Tone PCB(38).
<4>PHONE PCB(40) REMOVAL
1. Remove the Top-cabinet, referring to the previous step<1>.
2. Remove the Front Panel ASS'Y, referring to the previous step<2>.
3. Remove 2 screws(S2,S3) and then remove the Phone PCB(16).
<5>POWER LED PCB(39) REMOVAL
1. Remove the Top-cabinet, referring to the previous step<1>.
2. Remove the Front Panel ASS'Y, referring to the previous step<2>.
3. Remove 2 screws(S2) and then remove the Power led PCB(39).
4. Disconnect the lead wire(BN84-4P) from connector(CN84) on the Power led PCB(39).
<6>FRONT PCB(37) REMOVAL
1. Remove the Top-cabinet, referring to the previous step<1>.
2. Remove the Front Panel ASS'Y, referring to the previous step<2>.
3. Remove the Tone PCB(38), referring to the previous step<3>.
4. Remove the Phone PCB(40), referring to the previous step<4>.
5. Remove the Power led PCB(39), referring to the previous step<5>.
6. Remove 13 screws(S2) and then remove the Front PCB(37).
<7>TUNER MODULE(34) REMOVAL
1. Remove the Top-cabinet, referring to the previous step<1>.
2. Disconnect the connector(CON1-Card cable) from connector(CN26) on the Main PCB ASS'Y(44).
3. Remove 2 screws(S8) and then remove the Tuner Module(34).
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harman/kardon