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Kenwood HM-531MD Service Manual page 25

Kenwood micro hi-fi component system service manual

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AY
AZ
+5V
C209
R226
R227
C218
1500P
10K
3.3K
0.047
+5V
2.2V
DSP
2.5V
IC203
(BOTTOM VIEW)
4.6V
SIGNAL
DIGITAL
DIGITAL
DIGITAL
OUT
PLL
CLV
LRCK
ERROR
PCMD
D/A
CORRECTOR
CLOCK
INTERFACE
BCK
GENERATOR
EFM
16K
DEMODURATOR
RAM
EMPH
XVDD
XTA1
SERIAL-IN
TIMING
INTERFACE
LOGIC
XTA0
XVSS
AVDD1
OVER SAMPLING
SERVO
AOUT1
AUTO
DIGITAL FILTER
SEQUENCER
AIN1
LOUT1
AVSS1
AVSS2
LOUT2
SUB CODE
PROCESSOR
AIN2
AOUT2
CPU
INTERFACE
DAC BLOCK
AVDD2
RMUT
LMUT
C234
0.01
+5V
+12V
BA
BB
+5V
CD +5V REG.
Q201
R216
3.3
8.3V
+5V
+5V
1/4W
5.6V
R328
R301
7.9V
2.2
10
+5V
+5V
1/4W
5.6V
R258
R218
Q202
10
120
C224
+
0V
220u16
+
+5V
C289
100P
CD
ON: 0.7V
OFF: 0V
LINE
MUTE
61
Q209
Q210
62
R355
R356
63
100K
100K
+
+
64
C208
0.01
65
4.9V
+5V
C226
66
2.3V
47P
67
1.9V
R237
C228
470
47P
68
69
4.9V
+5V
R205
8.2K
R201
R203
C203
70
2.1V
10K
8.2K
270P
71
2.1V
72
2.1V
C233
C298
73
330u6.3
0.01
+
74
75
2.1V
76
2.1V
R202
R204
C204
R338
77
2.1V
10K
8.2K
270P
10
R206
W621
8.2K
R254
78
4.9V
10
+5V
79
D217
80
R253
47K
D205
C279
+5V
+8V
+12V
1
2
WH201
(X09- ) (B/2)
S201
WH201
1
DOOR SW
2
GND
OPEN/CLOSE
BC
BD
+8V
+5V
+5V
R302
47K
4.9V
R263 47K
0V
50
SHIMUTE4
R264 47K
J E M
R261 47K
4.9V
49
SHIMUTE3
50
L
H
L
R262 47K
49
H
H
L
R267 47K
0V
48
SHIMUTE2
48
L
L
H
R268 47K
R265 47K
0V
47
DOLBY A/R
R266 47K
R269 47K
0V
46
SE5MD/SE5X
R270 47K
45
NO USE
44
NO USE
0V
43
IC205
DOOR SW(OPEN/CLOSE)
0V
42
(BOTTOM VIEW)
CD POWER(MDP SRORT)
41
MAIN u-COM
NO USE
0V
40
40
MON
D215
4.9V
39
NO u-COM RST
38
NO USE
4.9V
37
37
LDC
36
R256
R311
100
2.4V
36
MD RXD(IN)
47K
35
MD CONTROL
R259
R272
100
4.1V
35
MD TXD(OUT)
47K
R330
0V
34
CD ZERO DET.(NO USE)
47K
33
R293
CD CONTROL
R304
100
4.3V
33
FL CLK
+
( B: CD PLAY)
47K
32
31
NO USE
R296
R305
100
0.7V
31
FL DATA
47K
C284
470P
C265 220P
1.0V
4.9V
C266 220P
X202
C267 220P
C268 220P
R319 47K
+12V
BE
BF
+8V
+5V
0V
R271
R287
47K
10K
+
( B: DECK PLAY)
4.9V
DECK CONTROL
81
PROTECTION
(MD)
82
4.8V
FAN:HIGH/LOW
82
83
0V
FAN:ON/OFF
83
D210
84
0V
A MUTE
84
85
4.7V
Q206
CD A-MUTE
86
4.9V
Q206
TUNER MUTE
86
87
4.8V
CD LINE
POWER(X07)
87
MUTE
88
0.3V
PROTECTION(X07)
88
CONTROLLER
89
4.9V
KEY1
89
90
4.9V
KEY2
90
91
4.9V
KEY3
91
4.5V
92
A/D PROTECTION2
92
93
4.2V
A/D PROTECTION1
93
94
0V
DECK MUTE
94
95
0V
RDS S.LEVEL
96
AVSS
97
0.2V
PHOTO
97
98
4.9V
VREF
+5V
99
4.9V
AVCC
+5V
100
0V
DATA
100
0V
1
R306
2
4.7M
3
4
X203
C246
R320
C243
0.01
10K
0.1
19
R321 47K
+5V
D216
1
2
3
4
5
6
7
8
9
10
11
12
CN206
G
BG
BH
+8V
8.3V
+5V
+5V
4.9V
+
+
Q207
C252
470u10
+
R286
D214
6.1V
560
ON: 0.7V
C255
OFF: 0V
5.5V
10u50
+
Q205
4.9V
+5V AVR
4.9V
IC206
+12V
C275 100P
C282
0.047
C276 100P
C277 100P
C288 0.1
1
2
3
4
5
6
7
8
9
10
CN207
H

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