DOWNLOAD Harman Kardon HK 3390 (serv.man4) Service Manual ↓ Size: 7.58 MB | Pages: 64 in PDF or view online for FREE

Name: Harman Kardon HK 3390 (serv.man4)
Brand: Harman Kardon
SKU: 74077
Rating: 4 (1 reviews)

Model: HK 3390 (serv.man4)
Pages: 64
Size: 7.58 MB
Type: PDF
Document: Service Manual
Brand: Harman Kardon
Device: Audio
File: hk-3390-sm4.pdf
Date: 2018-11-20

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Harman Kardon HK 3390 (serv.man4) Service Manual ▷ View online

harman/kardon
HK 3390/230 Service Manual
Page 9 of 64

HK 3390 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(BN22-11P) on the Potentiometer PCB (43-4) from connector(CN22) on the Input 
PCB(45). 
3. Disconnect the lead wire(BN13-9P) on the Front PCB(43-1) from connector(CN13) on the Main PCB(44-1). 
4. Disconnect the connector(CN87-19P) on the Front PCB(43-1) from connector(CN87) on the Main PCB(44-1). 
5. Disconnect the lead wire(BN73-5P) on the Phone PCB(43-3) from connector(CN73) on the Main PCB(44-1). 
6. Disconnect the lead wire(BN84-5P) on the Front input video PCB(43-6) from connector(CN84) on the Input 
PCB(45). 
7. Remove 1 screw(S6) and then lead wire(JW98,JW99-1P) on the PCB(43-5, 43-3). 
8. Remove 1 screw(S6) and then lead wire(JW97-1P) on the Power led PCB(43-2). 
9. Remove 10 screws(S1) and then remove the Front Panel ASS’Y. 
 
<3> Potentiometer PCB(43-4) 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. Remove 2 screws(S3) and then remove the Potentiometer PCB(43-4). 
 
<4>PHONE PCB(43-3) 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. Remove 2 screws(S4) and then remove the Phone PCB(43-3). 
4. Disconnect the lead wire(BN73-5P) from connector(CN73) on the PHONE PCB(43-3). 
 
<5>Volume PCB(43-5) 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 . 
4. Remove 4 screws(S3) and then Volume PCB(43-5). 
5. Disconnect the lead wire(BN81-5P) from connector(CN81) on the Volume PCB(43-5). 
 
<6>POWER LED PCB(43-2) 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(S3) and then remove the Power led PCB(43-2). 
4. Disconnect the lead wire(BN82-5P) from connector(CN82) on the Power led PCB(43-2). 
 
<7> Front input video PCB(43-6) 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(S3) and then remove the Front input video PCB(43-6). 
 
 
harman/kardon
HK 3390/230 Service Manual
Page 10 of 64

 
<8>FRONT PCB(43-1) 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 Potentiometer PCB(43-4) , referring to the previous step<3>. 
4. Remove the PHONE PCB(43-3), referring to the previous step<4>. 
5. Remove the Volume PCB(43-5), referring to the previous step<5>.   
6. Remove the POWER LED PCB(43-2), referring to the previous step<6>.   
7. Remove the Front input video PCB(43-6), referring to the previous step<7>.   
8. Remove 12 screws(S3) and then remove the Front PCB(43-1). 
 
<9>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 Input PCB(45). 
3. Remove 2 screws(S5) and then remove the Tuner Module(47).   
 
<10>VIDEO PCB(43-8) REMOVAL 
    1. Remove the Top-cabinet, referring to the previous step<1>.   
2. Disconnect the connector(CN85-Card cable) from connector(CN85) on the Input PCB(45). 
3. Remove 4 screws(S8,S5) and then remove the Video PCB(43). 
 
<11>INPUT PCB(46-1) REMOVAL   
    1. Remove the Top-cabinet, referring to the previous step<1>. 
2. Disconnect the connector(CN21-Card cable) from connector(CN21) on the Main PCB(44-1). 
3. Disconnect the connector (CN24) from lead wire(BN24-5P) on the Main PCB(44-1). 
4. Remove 7 screws(S5,S14) and then remove the DSP PCB(46-1).   
 
<12>POWER TRANS(30) REMOVAL 
1. Remove the Top-cabinet, referring to the previous step<1>. 
2. Disconnect the connector (CN15,CN12) on the Trans PCB(43-7) from lead wire(BN15-3P,BN12-2P) on the Main 
PCB(44-1). 
3. Disconnect the connector (CN11,CN14,CN15) on the Main PCB(44-1) from lead wire(BN11-3P,BN14-13P,BN15-
3P) on the Trans PCB(43-7) 
4. Remove 4 Trans screws(S15) and then remove the Power Trans(42).   
 
<13>MAIN PCB ASS’Y(44) REMOVAL   
    1. Remove the Top-cabinet, referring to the previous step<1>. 
2. Remove the Power Trans(43-7),referring to the previous step<13>. 
3. Remove the TUNER MODULE(34), referring to the previous step<9>. 
4. Remove the VIDEO PCB(43-8), referring to the previous step<10>. 
5. Remove the DSP PCB(46-1), referring to the previous step<11>. 
6. Remove the INPUT PCB(46-1), referring to the previous step<12>. 
7. Disconnect the connector(CN13) from lead wire(BN13-9P) on the Front PCB(43-1). 
8. Disconnect the connector(CN73) from lead wire(BN73-5P) on the PHONE PCB(43-3). 
9. Disconnect the connector(CN61) from Power cord(35). 
10. Remove 15 screws(S5-7EA, S8-2EA,S14-3EA,S9-1EA,S10-1EA,S3-1EA) and then remove the Main PCB  
ASS’Y(44). 
harman/kardon
HK 3390/230 Service Manual
Page 11 of 64

harman/kardon
HK 3390/230 Service Manual
Page 12 of 64

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