PA 4000 (serv.man4) - Harman Kardon Audio Service Manual (repair manual). Page 7

9. REMOVE 35 SCREWS(A) ON THE CHASSIS-BACK(18) 

<6> INPUT P. C. BOARD(h) REMOVAL.
1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP<1>
2. REMOVE THE CHASSIS-BACK, REFERRING TO THE PREVIOUS STEP<5>
3. DISCONNECT THE CONNECTOR(CP2) FROM LEAD WIRE(CW102) ON THE INPUT
    P.C. BOARD(h)
4. DISCONNECT THE CONNECTOR(CP1) FROM LEAD WIRE(CW101) ON THE INPUT 
    P.C. BOARD(h)
5. DISCONNECT THE CONNECTOR(CP2) FROM LEAD WIRE(CW2) ON THE INPUT 
    P.C. BOARD(h)
6. DISCONNECT THE CONNECTOR(CP1) FROM LEAD WIRE(CW1) ON THE INPUT 
    P.C. BOARD(h)
7. DISCONNECT THE LEAD WIRE(5P)  FROM CONNECTOR(CP24, CP25) ON THE
    INPUT P.C. BOARD(h)
8. DISCONNECT THE CONNECTOR(CP9) FROM LEAD WIRE(CW9) ON THE MAIN 
    P.C.BOARD(e)
9. DISCONNECT THE CONNECTOR (CP22, CARD-CABLE) ON THE INPUT 
    P. C. BOARD(h) FROM CONNECTOR (CP 11) ON THE MICOM P. C. BOARD(f).
10. DISCONNECT THE CONNECTOR(CP13, CARDCABLE) FROM LEAD WIRE(CP12) ON 
      THE MAIN P. C. BOARD(e)
11. REMOVE 6 SCREWS(D) AND THEN REMOVE THE INPUT P. C. BOARD(h)

<7> MICOM P. C. BOARD(f) REMOVAL.
1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP<1>
2. REMOVE THE CHASSIS-BACK, REFERRING TO THE PREVIOUS STEP<5>
3. REMOVE THE INPUT P. C. BOARD, REFERRING TO THE PREVIOUS STEP<6>
4. REMOVE 3 SCREWS(D) AND THEN REMOVE THE MICOM P. C. BOARD(f)

<8> RADIATOR ASS'Y(AB) REMOVAL(RIGHT SIDE).
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, 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 
    POSSITOR ON THE RADIATOR.
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(CP103) 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)

<9> RADIATOR ASS'Y(AB) REMOVAL(LEFT SIDE).
1. REMOVE THE CHSSIS-TOP(20), REFERRING TO THE PREVIOUS STEP<1>

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