Alpine CDA-7832R Service Manual page 10

CDA-7832R
(3) Control Settings
Power Switch
Fader Control ow... ccccsseesesseseseeeeeees Center Position
Balance Control oo... eccsccsscseseeeeseees Center Position
Treble / Buss Control ..........ceccccesescssesseees Center Position
Band Switch: casusesesn chee nteie oct FM
OUIOIS: © sesccacecsseacds leneussvesesdessiowbecs cece steven ce eonoalee OFF
(4) Adjustment Procedures
Signal Generator | Dial Contro! | Test Point Adjustment
IF : 98.1MHz, 72dB T.P.1 .
Adjustment (Mod. OFF) 98.1MHz Adjust L2101 to0+15mvV.
98.1MHz, 46dB
Figure 3 (Mod. 400Hz, 98.1MHz T.P.3 Adjust VR2101 to 3.5 +0.1V
Dev. 40kHz)
Adjust VR2104 for the waveform
: 98.1MHz, 30dB
Figure 4 (Mod. OFF) 98.1MHz
Signal Meter
Adjustment
changing to maximum output.
Figure : Waveform of T.P.5 output.
A
Stop the adjust VR2104 at this time.
98.1MHz, 72dB
5 Speaker | Adjust MAIN VOLUME (VR402)
Noise Level ki
Dev. doh
98: 1MHZ | "Output | to obtain 2V output. This value is OdB.
oise
Leve
.
Adjustment 98.1MH, -19dB
(Mod. 400Hz, (2) Figure 5
Dev. 40kHz)
Stereo Blend 98.1MHz, 40dB
; :
(Mod. 1kHz,
Adjust VR2102 for Lch and Rh output
: a
Fagaraie
Dev. 36kHz, | 98-1MHz
level difference to be 8 +-20B.
Stereo, Lch Only)
Stereo
98.1MHz, 72dB
Adjust VR2103 for Reh output to be
Separation . (Mod. 1kHz, Dev. minimum, and confirm Leh and Reh
Adjustment niga
36kHz, Stereo, eee
output level difference is more than
(Leh) Loh Only) 20dB.
98.1MHz, 40dB
Stereo Blend : é
'
,
(Mod. 1kHz,
Proceed same adjustment under
t4 cri niGiSe Dev. 36kHz, step 5.
Stereo, Rch Only)
98.1MHz, 72dB
Figure 6 (Mod. 1kHz, Dev. Speaker | Proceed same adjustment under step
9 36kHz, Stereo, Output {6 by alternating Lch and Reh.
Reh Only)
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