Kenwood RXD-M65V-H Service Manual page 11

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