Kenwood RDX-652 Service Manual page 8

RXD-652/702/752/772S/852/A81/A601/A701
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3 7 63 1515 0
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
TE
L 13942296513
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
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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
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8
Pin Name I/O Connect
53,54 A-JOG1,2 I PU
55,56 B-JOG1,2 I PU
57,58 ENC1,2 I PU
59 LEDCLK O PD
60,61 LEDDT1,2 O PD
62 VCC – VCC POWER SUPPLY(+5V)
63 SR-LIMIT O PU
64 VSS – VSS GND
65 B-PH I PD
66 A-PH I PU
67 A/B2 O PD
68 A/B1 O PD
69 PLLDO I PU
70 D-RST O PU
71 D-REDY I PU
72 D-XLAT O PD
73 HP-DET-IN I PD
74 BIAS O PD
75 R/P O PD
Q Q
3 6 7 1 3
76 B.SOL O PD
77 CPM O PD
78 PSCLK O PD
79 PSIN I PD
80 PSLOAD O PD
81 AMUTE O PD
82 ATT O PD
83 POWER O PD
84 PROTECT I PD
85 SPRELAY O PD
86 STBY-LED O PD
87 TIMER-LED O PD
88 A.SOL O PD
89 SPEANA I PD
90 MODEL I PD
91 TYPE I PD
92 DPSS I PD
93 SLEVEL I PD
94,95 KEY3,2 I PU
u163
96 AVSS – VSS GND
97 KEY1 I PU
.
98 VREF – –
99 AVCC – VCC A-D CONVERTER POWER SUPPLY(+5V)
100 SD I PU
2 9 9 4 2 8
Description
JOG A (SOUND CONTROL)INPUT1,2
JOG B (MULTI CONTROL)INPUT1,2
VOLUME ENCODER INPUT1,2
LED DRIVER IC(BU2090) CLOCK OUTPUT
LED DRIVER IC(BU2090)
DATA1,2 OUTPUT
CENTER/SURROUND(SUPER WOOFER)
SP RELAY CONTROL H:ON
B DECK REEL SENSOR INPUT
A DECK REEL SENSOR INPUT
DECK A/B CHANGEOVER CONTROL1
DECK A/B CHANGEOVER CONTROL2
PLL IC(LC72131) DATA INPUT
DOLBY DIGITAL IC(CXD2724Q)
RESET OUTPUT
DOLBY DIGITAL IC(CXD2724Q)
READY INPUT
DOLBY DIGITAL IC(CXD2724Q)
LATCH OUTPUT
HEAD PHONE DETECT INPUT
H:OFF L:ON
BIAS ON/OFF CHANGEOVER CONTROL
H:ON L:OFF
R/P CHANGEOVER CONTROL
1 5 0 5 8 2 9 9 4
H:REC L:PLAY
B DECK SOLENOID CONTROL
DECK MOTOR CONTROL
EXPANDER IC(HD74HC166P)
CLOCK OUTPUT
EXPANDER IC(HD74HC166P)
DATA OUTPUT
EXPANDER IC(HD74HC166P)
DATA LOAD OUTPUT
AUDIO MUTE
10dB ATTENUATOR L: ON
POWER RELAY CONTROL
PROTECT DETECT (VOLTAGE DETECT)
L: OFF H:ON
SPEAKER RELAY CONTROL H: ON
STANDBY LED CONTROL H:ON
TIMER LED CONTROL H:ON
A DECK SOLENOID CONTROL
AUDIO SIGNAL INPUT(A-D)
MODEL DISTINCTION INPUT(A-D)
3.5up:XD-752
1.0 down:XD-652
Other:XD-852
TUNER DESTINATION DISTINCTION
INPUT(A-D)
DPSS INPUT(A-D)
m
RDS S LEVEL INPUT
A-D KEY INPUT 3,2
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A-D KEY INPUT 1
A-D CONVERTER REFERENCE VOLTAGE
(+5V)
SD INPUT
9 9
L:OFF
2 8 9 9
H : OFF
H: ON
L:OFF
L:OFF