Audio Processing - JVC AV-15LCG Service Manual

2. Audio Processing

1-1. Features
– AVC: Automatic Volume Correction
– Subwoofer Output
– 5-band graphic equalizer (as in MSP 3400C)
– Enhanced spatial effect (pseudostereo/basewidth
en- largement as in MSP 3400C)
– headphone channel with balance, bass, treble, loud-ness
– balance for loudspeaker and headphone channels in
dB units (optional)
– Additional pair of D/A converters for SCART2 out
– improved oversampling filters (as in MSP 3400C)
– Additional SCART input
– Full SCART in/out matrix without restrictions
– Scart volume in dB units (optional)
– Additional I 2 S input (as in MSP 3400C)
– New FM-identification (as in MSP 3400C)
– Demodulator short programming
– Autodetection for terrestrial TV-sound standards
– Precise bit-error rate indication
2-1. Pin Layout
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
65
AVSUP
66
AVSUP
67
ANA_IN1+
68
ANA_IN-
69
ANA_IN2+
70
TESTEN
71
XTAL_IN
72
XTAL_OUT
73
TP
74
AUD_CL_OUT
75
NC
76
NC
77
D_CTR_I/O_1
78
D_CTR_I/O_0
79
ADR_SEL
80
STANDBYQ
1
MSP3410D
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
No.51932
– Automatic switching from NICAM to FM/AM or vice versa
– Improved NICAM synchronization algorithm
– Improved carrier mute algorithm
– Improved AM-demodulation
– ADR together with DRP 3510A
– Dolby Pro Logic together with DPL 35xx A
– Reduction of necessary controlling
– Less external components
– Significant reduction of radiation
AV-15LCG
AV-15LCH
AV-15LCS
40
CAPL_M
39
AHVSUP
38
CAPL_A
37
SC1_OUT_L
36
SC1_OUT_R
35
VREF1
34
SC2_OUT_L
33
SC2_OUT_R
32
ASG3
31
NC
30
DACM_SUB
29
NC
28
DACM_L
27
DACM_R
26
VREF2
25
DACA_L
15