PA 4000 (serv.man4) - Harman Kardon Audio Service Manual (repair manual). Page 8

2. REMOVE THE FRONT-PANEL ASS'Y(AA), REFERRING TO THE PREVIOUS STEP<2>
3. REMOVE THE CHASSIS-FORNT, REFERRING TO THE PREVIOUS STEP<3> 
4. REMOVE THE CHASSIS-SIDE, REFERRING TO THE PREVIOUS STEP<4>
5. REMOVE THE CHASSIS-BACK, REFERRING TO THE PREVIOUS STEP<5>
6. DISCONNECT THE CONNECTOR(CP104) ON THE MAIN P. C. BOARD(e) FROM
    CONNECTOR(CW4-1, CW4-2) ON THE AMP P. C. BOARD(d)
7. DISCONNECT THE CONNECTOR(CP8) ON THE MAIN P. C. BOARD(e) FROM LEAD 
    WIRE(POSSITOR, 2P) ON THE RADIATOR-MAIN.
8. DISCONNECT THE CONNECTOR(CW9, 2P) ON THE MAIN P. C. BOARD(e) FROM 
    CONNECTOR(CP9-1/3) ON THE AMP P. C. BOARD(d) 
9. DISCONNECT THE CONNECTOR(CP3) ON THE MAIN P. C. BOARD(e) FROM 
    CONNECTOR(CW3) ON THE AMP P. C. BOARD(d) 
10. REMOVE 3 SCREWS AND THEN PULL OUT THE RADIATOR ASS'Y(AB)

<10> MAIN P. C. BOARD(e) REMOVAL.
1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP<1>
2. REMOVE THE FRONT-PANEL ASS'Y(AA), REFERRING TO THE PREVIOUS STEP<2>
3. REMOVE THE CHASSIS-FORNT(7), REFERRING TO THE PREVIOUS STEP<3> 
4. REMOVE THE CHASSIS-SIDE, REFERRING TO THE PREVIOUS STEP<4>
5. REMOVE THE CHASSIS-BACK(18), REFERRING TO THE PREVIOUS STEP<5>
6. REMOVE THE INPUT P. C. BOARD(h), REFERRING TO THE PREVIOUS STEP<6>
7. REMOVE MICOM P. C. BOARD(f), REFERRING TO THE PREVIOUS STEP<7>
8. REMOVE RADIATOR ASS'Y(AB), REFERRING TO THE PREVIOUS STEP<8,9>
9. DISCONNECT CONNECTOR (CP5) FROM LEAD WIRE(3P) ON THE 
    POWER-TRANS(12)
10. DISCONNECT CONNECTOR (CP6) FROM LEAD WIRE(3P) ON THE 
      POWER-TRANS(12)
11. REMOVE 10 SCREWS(G:8EA, H:2EA) AND THEN REMOVE THE MAIN P. C. BOARD(e)

<11> POWER TRANS(12) REMOVAL
1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP<1>
2. REMOVE THE FRONT-PANEL ASS'Y(AA), REFERRING TO THE PREVIOUS STEP<2>
3. REMOVE THE CHASSIS-FORNT(7), REFERRING TO THE PREVIOUS STEP<3> 
4. REMOVE THE CHASSIS-SIDE, REFERRING TO THE PREVIOUS STEP<4>
5. REMOVE THE CHASSIS-BACK(18), REFERRING TO THE PREVIOUS STEP<5>
6. REMOVE THE INPUT P. C. BOARD(h), REFERRING TO THE PREVIOUS STEP<6>
7. REMOVE MICOM P. C. BOARD(f), REFERRING TO THE PREVIOUS STEP<7>
8. REMOVE RADIATOR ASS'Y(AB), REFERRING TO THE PREVIOUS STEP<8,9>
9. REMOVE MAIN P. C. BOARD(e), REFERRING TO THE PREVIOUS STEP<10>
10. REMOVE 8 SCREWS AND THEN REMOVE THE POWER-TRANS(12) 

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