Pin Description - Kenwood RXD-652 Service Manual

RXD-652/702/752/772S/852/A81/A601/A701

4-3 Pin description

Pin Name I/O Connect
1 D-DATA O PD DOLBY DIGITAL IC (CXD2724Q)
DATA OUTPUT
2 D-CLK O – DOLBY DIGITAL IC (CXD2724Q)
CLOCK OUTPUT
3 PLLDATA O PD PLL IC DATA (LC72131)
4 ST I PU STEREO INPUT
5 PLLCE O PD PLL IC CE (LC72131)OUTPUT
6 RDSDATA I PD RDS DATA (SAA6579)INPUT
7 PLLCLK O PD PLL IC CLOCK (LC72131)OUTPUT
8 BYTE I VSS 8/16 BIT CHANGEOVER
9 CNVSS – VSS GND
10 XCIN – – TIMER CLOCK INPUT(32.768kHz)
11 XCOUT – – TIMER CLOCK OUTPUT (32.768kHz)
12 RESET I PU uCOM RESET
H:NORMAL
13 XOUT – – MAIN CLOCK OUTPUT 10MHz
14 VSS – VSS GND
15 XIN – – MAIN CLOCK OUTPUT 10MHz
(CERAMICS)
16 VCC – VCC +5V
17 NC I VCC
18 REM I PD REMOCON SIGNAL INPUT
19 RDSCLK I PD RDS CLOCK (SAA6579)
20 SCOR I PD SUB CODESYNCHRONISUM SIGNAL
INPUT (CXD2587) LîH: THRUST
21 LEDDT3 O PD LED DRIVER IC(BU2090) DATA3 OUTPUT
22 LOSW I PD CD LOAD(CLOSE) SW
23 UNLOSW I PD CD UNLOAD(OPEN) SW
24 RTL O PD CD MOTOR CONTROL OUTPUT(LEFT)
25 BRKM O PD CD MOTOR CONTROL OUTPUT(BREAK)
26 CLOSE O PD CD MOTOR CONTROL OUTPUT(CLOSE)
27 OPEN O PD CD MOTOR CONTROL OUTPUT(OPEN)
28 SQCK O PD SUB CODE CLOCK(CXD2587)
29 SQSO I PD SUB CODE INPUT(CXD2587)
30 NC O PU NOT USED
31 FLDATA O PD FL DOT DRIVER(M66004FP) DATA
32 CE I PU BACK UP CE
33 FLCLK O PD FL DOT DRIVER(M66004FP) CLOCK
34 FLCS O PD FL DOT DRIVER(M66004FP) STROBE
35 RTR O PD MOTOR CONTROL OUTPUT (RIGHT)
36 TDSW I PU TRAVERSE DOWN SW
37 TUSW I PU TRAVERSE UP SW
38 PHTR I PU CD MECHA STOP SW
39 PSSW I PU POSITION & DISC DETECT SW
40 XRST O PU DSP RESET(CXD2587)
41 FL RESET O PD FL DOT DRIVER (M66004FP) RESET
42 DCOFF O PD DSP POWER ON/OFF(CXD2587)
H:ON
43 MON O PD DISC MOTOR ON/OFF SW OUTPUT
44 LCD O PU LASER SIGNAL OUTPUT(ON/OFF)
L : ON
45 SCLK O PD SENS READ CLOCK OUTPUT
46 SENS I PD CD DSP SENS INPUT(CXD2587)
47 CLOK O PD CD DSP CLOCK OUTPUT (CXD2587)
48 XLAT O PD DSP LATCH OUTPUT(CXD2587)
49 CDDATA O PD DSP DATA OUTPUT(CXD2587)
50 EVCLK O PD SOUND CONTROL IC(M62492FP)CLOCK
51 EVLAT O PD SOUND CONTROL IC(M62492FP)STROBE
52 EVDATA O PD SOUND CONTROL IC(M62492FP)DATA
8
CIRCUIT DESCRIPTION
Description
L:RESET
(CERAMICS)
NOT USED(+5V)
H:AC ON L: AC OFF
L:OFF
H : OFF
Pin Name I/O Connect
53,54 A-JOG1,2 I PU JOG A (SOUND CONTROL)INPUT1,2
55,56 B-JOG1,2 I PU JOG B (MULTI CONTROL)INPUT1,2
57,58 ENC1,2 I PU VOLUME ENCODER INPUT1,2
59 LEDCLK O PD LED DRIVER IC(BU2090) CLOCK OUTPUT
60,61 LEDDT1,2 O PD LED DRIVER IC(BU2090)
DATA1,2 OUTPUT
62 VCC – VCC POWER SUPPLY(+5V)
63 SR-LIMIT O PU CENTER/SURROUND(SUPER WOOFER)
SP RELAY CONTROL H:ON
64 VSS – VSS GND
65 B-PH I PD B DECK REEL SENSOR INPUT
66 A-PH I PU A DECK REEL SENSOR INPUT
67 A/B2 O PD DECK A/B CHANGEOVER CONTROL1
68 A/B1 O PD DECK A/B CHANGEOVER CONTROL2
69 PLLDO I PU PLL IC(LC72131) DATA INPUT
70 D-RST O PU DOLBY DIGITAL IC(CXD2724Q)
RESET OUTPUT
71 D-REDY I PU DOLBY DIGITAL IC(CXD2724Q)
READY INPUT
72 D-XLAT O PD DOLBY DIGITAL IC(CXD2724Q)
LATCH OUTPUT
73 HP-DET-IN I PD HEAD PHONE DETECT INPUT
H:OFF
74 BIAS O PD BIAS ON/OFF CHANGEOVER CONTROL
H:ON
75 R/P O PD R/P CHANGEOVER CONTROL
H:REC
76 B.SOL O PD B DECK SOLENOID CONTROL
77 CPM O PD DECK MOTOR CONTROL
78 PSCLK O PD EXPANDER IC(HD74HC166P)
CLOCK OUTPUT
79 PSIN I PD EXPANDER IC(HD74HC166P)
DATA OUTPUT
80 PSLOAD O PD EXPANDER IC(HD74HC166P)
DATA LOAD OUTPUT
81 AMUTE O PD AUDIO MUTE
82 ATT O PD 10dB ATTENUATOR
83 POWER O PD POWER RELAY CONTROL
84 PROTECT I PD PROTECT DETECT (VOLTAGE DETECT)
L: OFF
85 SPRELAY O PD SPEAKER RELAY CONTROL H: ON
86 STBY-LED O PD STANDBY LED CONTROL H:ON
87 TIMER-LED O PD TIMER LED CONTROL
88 A.SOL O PD A DECK SOLENOID CONTROL
89 SPEANA I PD AUDIO SIGNAL INPUT(A-D)
90 MODEL I PD MODEL DISTINCTION INPUT(A-D)
3.5up:XD-752
1.0 down:XD-652
Other:XD-852
91 TYPE I PD TUNER DESTINATION DISTINCTION
INPUT(A-D)
92 DPSS I PD DPSS INPUT(A-D)
93 SLEVEL I PD RDS S LEVEL INPUT
94,95 KEY3,2 I PU A-D KEY INPUT 3,2
96 AVSS – VSS GND
97 KEY1 I PU A-D KEY INPUT 1
98 VREF – – A-D CONVERTER REFERENCE VOLTAGE
(+5V)
99 AVCC – VCC A-D CONVERTER POWER SUPPLY(+5V)
100 SD I PU SD INPUT
Description
L:OFF
L:ON
L:OFF
L:PLAY
L: ON H : OFF
H: ON
H:ON
L:OFF
H:ON L:OFF