Harman Kardon AVR235 Service Manual page 26

AVR235 harman/kardon
VII TUNER MODULE(41) REMOVAL
1. Remove the Top-cover, referring to the previous step1.
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 (40).
VIII VIDEO PCB (40-1) REMOVAL
1. Remove the Top-cover, referring to the previous step1.
2. Disconnect the lead wire (BN41-6P) on the Tone PCB (37-3) from connector (CN41) on the Video PCB (40-1
3. Disconnect the connector (CN15-Card cable) on the Input PCB (39-1) from connector (CN43) on the Video PCB
(40-1).
4. Remove 6 screws (S8) and then remove the Video PCB (39-2).
IX INPUT PCB (39-1,39-2) REMOVAL
1. Remove the Top-cover, referring to the previous step1.
2. Remove the Connect PCB (37-7).
3. Disconnect the lead wire (BN18-5P) on the Digital input PCB (37-8) from connector (CN18) on the Input PCB (39-1).
4. Disconnect the connect (BN72-Card cable) on the Fip PCB (37-1) from connector (CN72) on the Input PCB (39-1)
5. Remove 13 screws (S8,S11) and then remove the Input PCB (39-1).
X Download PCB (37-9) REMOVAL
1. Remove the Top-cover, referring to the previous step1.
2. Disconnect the connector (CN15) from lead wire (BN15-6P) on the Fip PCB (37-2)
3. Remove 2 screws (S4) and then remove the Download PCB (37-9).
XI POWER TRANS(31) REMOVAL
1. Remove the Top-cover, referring to the previous step1.
2. Disconnect the connector (BN20,BN96) on the Trans PCB (40-4) from lead wire (CN20-3P,CN96-6P) on the
Main PCB (38-1).
3. Remove 4 Trans screws(S9) and then remove the Power Trans(36).
XII MAIN PCB ASS'Y(38-1) REMOVAL
1. Remove the Top-cover, referring to the previous step1.
2. Remove the Tuner module, referring to the previous step7.
3. Remove the Video PCB, referring to the previous step8.
4. Remove the Input PCB, referring to the previous step9.
5. Disconnect the connector (CN80) from lead wire (CN80-11P) on the Fip PCB (37-1).
6. Disconnect the connector (CN86) from lead wire (CN86-2P) on the Moms PCB (37-5).
7. Disconnect the connector (CN20,BN96) from lead wire (CN20-3P,BN96-8P) on the Trans PCB (40-4,40-5)
8. Remove 11screws (S1-1EA, S4-2EA, S6-2EA, S8-6EA) and then remove the Main PCB ASS'Y (38-1).
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