Kenwood RXD-M65V-H, Руководство по обслуживанию

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RXD-M65V-H/M65V-N
11
CIRCUIT DESCRIPTION
Pin No. Pin Name I/O Pin Description
1 QUAL O Output for signal quality indication.
2 RDATA O Demodulation data output.
3 VREF I Reference voltage input.
4 MUX I Composite signal input.
5 VDD1 - Analog power supply.
6 VSS1 - Analog GND.
7 VSS3 - Analog GND.
8 CMP I Comparator.
9 T2 I Test pin (connected to be ground).
10 T1 I Test pin (connected to be ground).
11 VSS2 - Digital GND.
12 VDD2 - Digital power supply.
13 XI I Crystal oscillation circuit input.
14 XO O Crystal oscillation circuit output.
15 N.C. - Unused.
16 RCLK I/O Demodulation clock.
6-3 RDS Demodulator IC : BU1923F (X29, IC801) E/T Type only
Pin No. Pin Name I/O Pin Description
1 DI I Serial data input pin for control.
2 CE - Chip enable pin.
3 VSS - Ground pin.
4 LOPOUT O Output pin of general-purpose operation amplifier.
5 LINM I Non-inverted input pin of general-purpose operation amplifier.
6 LINP I Non-inverted input pin of general-purpose operation amplifier.
7 LOUT O ATT + equalizer output pin/ capacitor connection pin comprising filter for super-bass.
10,9,28,
LBASS1,LBASS2
Capacitor and resistor connection pins comprising filters for bass and
29,8,30
RBASS1,RBASS2 -
super-bass band or for mid and bass band.
LSB,RSB
11 LTRE - Capacitor connection pin comprising treble band filter.
12 LVRIN I Volume input pin.
13 LSEL0 O Input selector output pin.
14,24 L5,R5 I Input signal pin (open).
15,23 L4,R4 I AUX input.
16,22 L3,R3 I TUNER input.
17,21 L2,R2 I DECK (playback) input.
18,20 L1,R1 I CD input.
19 VREF - Reference voltage for analog ground.
25 RSEL0 O Input selector output pin.
26 RVRIN I Volume input pin.
27 RTRE - Capacitor connection pin comprising treble band filter.
31 ROUT O ATT + equalizer output pin/ capacitor connection pin comprising filter for super-bass.
32 RINP I Non-inverted input pin of general-purpose operation amplifier.
33 RINM I Non-inverted input pin of general-purpose operation amplifier.
34 ROPOUT O Output pin of general-purpose operation amplifier.
35 VDD - Power supply pin.
36 CL I Clock input pin for control.
6-2 Electronic Volume System IC : LC75343M : (X29, IC601)