Disassembly - Harman Kardon AVR340 Service Manual

AVR340
DISASSEMBLY PROCEDURES(AVR340)
<1> TOP-CABINET(21) REMOVAL
1. Remove 13 screws(S1,S7) 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 (BN72-32p)) on the Fip PCB(37-1) from connector(CN72) on the Input PCB(39-1)
3. Disconnect the lead wire(BN80-11P) on the Fip PCB(37-1) from connector(CN80) on the Main PCB(38-1).
4.Disconnect the lead wire(BN16-6P) on the Tone PCB(37-3) from connector(CN16) on the Connect PCB(37-7).
5. Disconnect the lead wire(BN41-6P) on the Tone PCB(37-3) from connector(CN41) on the Video PCB(40-1).
6. Disconnect the lead wire(BN18-5P) on the Digital input PCB(37-8) from connector(CN18) on the Input PCB(39-1).
7. Disconnect the lead wire(BN81-8P) on the Fip PCB(37-1) from connector(CN81) on the Trans PCB(40-5).
8. Disconnect the lead wire(BN15-8P) on the Fip PCB(37-1) from connector(CN15) on the Download PCB(37-9).
9. Remove 1 screw(S10) and then lead wire(JW82-2P) on the Phone PCB(37-4).
10.Remove 1screw(S10) and then lead wire(JW84-1P) on the Tone PCB(37-3)
10. Remove 10 screws(S1) and then remove the Front Panel ASS'Y.
<3> TONE PCB(37-3) 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 10 screws(S2,S14), and then remove the Tone PCB(37-3).
5. Disconnect the lead wire(BN84-5P) One the Tone PCB(37-3) from connector(CN84) on the
Fip PCB(37-1)
<4>PHONE PCB(37-4) 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. Disconnect the lead wire (BN85-2P) on the Fip PCB(37-1) from connector(CN85) on the Phone PCB(37-4)
4. Remove 2 screws(S2,S3) and then remove the Phone PCB(37-4)
.
<5>POWER LED PCB(37-6) 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(37-6).
4. Disconnect the lead wire(CN88) from connector(BN88-4P) on the Fip PCB(37-1).
<6>FIP PCB(37-1) 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(37-3), referring to the previous step<3>.
4. Remove the Phone PCB(37-4), referring to the previous step<4>.
5. Remove the Power led PCB(37-6), referring to the previous step<5>.
6. Remove 6 screws(S2) and then remove the Fip PCB(37-1)
<7>TUNER MODULE(42) REMOVAL
1. Remove the Top-cabinet, referring to the previous step<1>.
2. Disconnect the connector(CON1-Card cable) from connector(CN13) on the Input PCB ASS'Y(39-1).
3. Remove 2 screws(S8) and then remove the Tuner Module(42).
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harman/kardon