Harman Kardon AVR347 Service Manual

Also see for AVR 347: Brochure & specs Catalog Software upgrade instructions Worksheet Owner's manual

AVR347 DISASSEMBLY PROCEDURE1 TOP-CABINET (21) REMOVAL1. Remove 13 screws (S1,S7) and then remove the Top-cabinet.2 FRONT PANEL ASS’Y REMOVAL1. Remove the Top-cabinet, referring to the previous step 1.2. Disconnect the card cable between connector (CN72-17p) on the Fip PCB (37-1) and connector (CN72) on the Input PCB (39-1).3. Disconnect the lead wire (BN81-8P) on the Fip PCB (37-1) from connector (CN81) on the Trans PCB (40-4).4. Disconnect the lead wire (BN22-6P) on the Phone PCB (37-5) from connector (CN22) on the Input PCB (39-1).5. Disconnect the lead wire (BN18-5P) on the Phone PCB (37-5) from connector (CN18) on the Input PCB (39-1).6. Disconnect the lead wire (BN10-4P) on the Volume PCB (37-6) from connector (CN10) on the Input PCB (39-1).7. Disconnect the lead wire (BN41-6P) on the Volume PCB (37-6) from connector (CN41) on the Video PCB (41).8. Disconnect the lead wire (BN90-2P) on the Main PCB (38-1) from connector (CN86) on the Moms PCB (37-4).9. Remove 1 screw (S10) and then lead wire (JW82-1P,JW83-1P) on the Phone PCB (37-5).10 .Remove 1screw (S10) and then lead wire (JW84-1P) on the Volume PCB (37-3).11. Remove 10 screws (S1) and then remove the Front Panel ASS’Y.3 Volume PCB (37-6) REMOVAL1. 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.4. Disconnect connector (CN84) on the Volume PCB (37-6) from the lead wire (BN84-5P) on the Fip PCB (37-1).5. Disconnect the lead wire (BN92-5P) on the Volume PCB (37-6) from connector (CN92) on the Phone PCB (37-5).6. Remove 8 screws (S2,S14), and then remove the Volume PCB (37-6).4 PHONE PCB (37-5) REMOVAL1. 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 connector (CN92) on the Phone PCB (37-5) from the lead wire (BN92-5P) on the Volume PCB (37-6).4.. Disconnect connector (CN85)on the Phone PCB (37-5) from the lead wire (BN85-3P) on the Fip PCB (37-1).5. Remove 2 screws (S2) and then remove the Phone PCB (37-5).5 POWER LED PCB (37-3) REMOVAL1. 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 connector (CN88) on the Power Led PCB (37-3) from the lead wire (BN88-4P) on the Fip PCB (37-1) .4. Remove 2 screws (S2) and then remove the Power led PCB (37-3).6 FIP PCB (37-1) REMOVAL1. 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 (BN84-5P) on the Fip PCB (37-1) from connector (CN84) on the Volume PCB (37-6).4. Disconnect the lead wire (BN85-3P) on the Fip PCB (37-1) from connector (CN85) on the Phone PCB (37-5).5. Disconnect the lead wire (BN88-4P) on the Fip PCB (37-1) from connector (CN88) on the Power Led PCB (37-3).AVR347 harman/kardon44