PIONEER HTVA1 II
Manual de Servicio

HTV-A1

Diagnosis Method for the AFPS Assy
(1) Remove the three screws A fixing the Heat sink. (2) Remove the three PCB Holders and then remove the Heat sink. (Refer to Fig.1) (3) Remove the screw B, remove the two screws C, remove the two push rivets D, and then remove the AFPS assy. (Refer to Fig. 3) (4) Short-circuit KN101 of the AFPS assy and KN1001 of the JACK assy. (5) Short-circuit all test terminals of the AFPS assy (SPRY, ACRY, PWON) to GNDD. (6) Remove C6031, enter an audio signal to the AL4 (Lch in) terminal, and analyze the AFPS assy. (Refer to Fig. 4)

Push Rivet D Screw C

JACK Assy

Screw B

Push Rivet D

AFPS Assy

Fig. 3

KN1001 Short-circuit SPRY, ACRY and PWON terminals to GNDD. Remove C6031 JACK Assy

Enter an audio signal

A

AFPS ASSY

SIDE A

Fig. 4
AFPS Assy

KN101

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