Kenwood RXD-652 Service Manual page 26

AY AZ
(X13-76XX-XX)
+
+B +B
8.9V
C511
0.1
D D D
POWVCC
R R F
INTER-
FACE
REGULATOR
F
T.S.D
R R F
MONITOR
INTER-
FACE
VREF
THERMAL
F
SHUTDOWN
POWVCC
F
INTER-
FACE
MUTE
R R F
PREVCC
D D
POWVCC
5.0V
+B
8.9V 8.5V
Q505
R553
2.2 1/4W
+B
CD (5V)
POWER
SUPPLY
R523 R522 R520
D502
4.7K 10K 180K
26 43
+B +B
5.0V
44
+5V
+9V
+B
DIGITAL
R537 560
R539
1
+B
C518
100u10
+
2.0V
4.9V IC7
DSP/DAC
(BOTTOM VIEW)
DIGITAL
OUT
D/A
INTERFACE
ERROR
CORRECTOR
SERIAL-IN TIMING
INTERFACE LOGIC
16K
RAM
OVER SAMPLING
DIGITAL FILTER
SIGNAL
DAC BLOCK
3.0V
4.6V
1.2V
BA BB
J2
FM75
GND
AM ANT
A
E4
J1
R5
1K
1
Lch
MD
REC OUT
R6
DIGITAL
1K
OUT
2
Rch
OPTICAL
A501
R1
3
1K
GND
Lch 3
MD/DVD
2
+5V
INPUT
1
R2
DOUT
1K
4
Rch
8.9V 0V
-12.3V
Q503 R552
Q502
+B 330 1/4W
8.2V
CD+B
4.4V
ON/OFF
9.0V
+5V
+9V +9V
+B +B
5.0V
C368
0.01
+B
C369 C367
0.01 0.01
C547
0.01
C517
100u10
LRCK 61
62
PCMD
BCK 63
EMPH 64
65
5.0V
XVDD
XTA1 66 2.4V
X501
R534
16.9344MHz
XTA0 67 2.1V 470
68
XVSS
69 5.0V
AVDD1 +B
R561 C531
9.1K 820P
AOUT1 70 2.1V
71 2.1V
AIN1
ANALOG(L)
72 2.1V R569
LOUT1
22
73
AVSS1 D504
74 +B
AVSS2
5.0V
LOUT2 75 2.1V R570
22
ANALOG(R)
76
AIN2 2.1V Q8
R562 C532
AOUT2 77 2.1V 9.1K 820P
78 5.0V
AVDD2 +B
+
C360
100P
RMUT 79
LMUT 80
W49
C10
1u50
20,28,29,40,45-49
BC BD
E2
12 11 10 9 8
E5
W4
12V 12V
TUNER
Q11 MUTING
Q12
W5
4 3 2 1 13 12 11 10
C A1
TUNER PACK (AM/FM)
+5V
+9V
C15
0.1
C5
1u50 +
+
+
+
C45
+
100P
80
NC
5.0V
79
NC
78
+B NC
0V 77
EMP/POLA
0V 76
T-DCOFF
0V 75
CDPROT
74
(PORT)
5.0V 73
+B VDD SURROUND TONE
72
REF
71
B -AVDD
-7.3V
+
70
NC
69
NC
68
NC
67
NC
66
NC
65
NC
C6 1u50
+ + R23 + C16 C18
1K 0.1 0.33u50
+
+B +B
BE BF
WH2
7 6 5 4 3 2 1
C386
1000P
-12.3V
12V
12.3V
W3
+12V +12V
C383 0.01
0.6V Q2
TUNER
W1 +B ON/OFF
12.3V
C382 12.3V
100P
C385 C384 Q3 R221 R222
1000P 0.01 4.7K 4.7K
12.3V
9 8 7 6 5 4 3 2 1
B
0V
OUTPUT VOITAGE
FM 600mV TUNER: 4.8V
AM 180mV OTHERS: 0V R158
47K
C73
4.7u35
D
T MUTE
+
CON TO
Q7
R159
5.6K
+B
CENTER or
SW-Lch
FLch
+5V
+9V
IC2
(BOTTOM VIEW)
+ +
SOUND CONTROLER
(TONE/3D SURROUND
/E.VOL)
MAINOUT 25 0V
0V
26 R381
15K
TONE OUT 27
0V
C31 R379
VOL.IN 28 3.3u50 2.2K
C35
0V 3.3u50
VOL.OUT 29
30 7.3V
AVDD +B
+
(L-C,SW)
+
31 5.0V
DVDD +B +B
R24 1K
32 0V
CLK 50
R25 1K
33 0V
DATA 52
34 0V R26 1K
LATCH 51
SURR or
(R-SURR,SW)
35 SW-Rch
D.GND
C36
3.3u50
VOL.OUT 36 0V
C32 R380
VOL.IN 37 0V 3.3u50 2.2K
R382
TONE OUT 38
R20 C34 15K
22 3.3u50
39
+
0V
MAINOUT 40
FRch
+
+
R18
10
+B
BG BH
+12V +12V
12V
R215 R217
22K
C83
D
0.01
IC3
(BOTTOM
+
VIEW)
RDS
DEMODU-
LATOR
1.3V 2.5V
X3
4.332MHz
+
12V
+5V
+12V
23
F
IC12 2.4V
4.3V
(1/2)
C326 3
1u50 1
55 2 2.4V
+
4
FRch
12V
-12.2V
59
+12V
12.3V
SURR.ch
C336 8 6 0V
3.3u50 7
5
+
-1.2V IC12
(2/2)
0V
IC11
(1/2)
C335
3
3.3u50
1
0V
2
+
-1.2V
4
CENTER-ch
12V
6
-12.2V
+
12.3V
+12V
FLch
C325 8
6
1u50
7
10 2.4V
5
+
SPEANA IC11
4.3V
(2/2)