AN
AE
AG
AI
AK
AM
AF
AH
AJ
AL
IC10
IC9
IC6
(X29-270X-XX)
(BOTTOM VIEW)
CN7
D22
Q13
Q28
+3.3V AVR
(CD)
CD SPINDLE
CONTROLLER
6ch BTL
DRIVER
BIAS
CHANGE-
V/H
Q15
IC11(1/2)
IC11(2/2)
IC13(2/2)
IC13(1/2)
OPE
AMP
D.S.P
(CD SCOR)
AMP
VOLTAGE
(CD SENS)
Q22
AMP
VOLTAGE
Q21
(1/2)
Lch
D3
OPE AMP
Rch
IC7(2/2)
(CD SQSO)
VOLTAGE
AMP
Q20
CN8
TRACKING
OVER
CD
VOLTAGE
A
E
C
SOUND
CONTROLLER
IC7
Q29
Q30
OPE
AMP
D25
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
REG BASE
REG OUT
PRE VCC
POW VCC
SF OUT
SR OUT
TF OUT
TR OUT
FF OUT
FR OUT
POW GND 1
HEA
T
GND
POW GND 2
SPF OUT
SPR OUT
LD OUT
1R
LD OUT
1F
LD OUT
2R
LD OUT
2F
LD VCC
N.C.
N.C.
VREF OUT
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
SF IN
SR IN
TF IN
TR IN
FF IN
FR IN
SOP
IN+
SOP
IN-
SOP
OUT
BIAS
PR GND
REGMUT
DRMUT
LD IN 1R
LD IN 1F
LD IN 2R
LD IN 2F
LD CNT1
LD CNT2
C-F
C-T
C-S
1
2
3
4
5
6
7
8
9 10 11 12
13 14 15 16 17
18
19
20 21 22 23 24 25 26
H +5V
H GND
+3.3V
BACK UP
CTXD
CRXD
BACK ON
CE
RST
A
IN R
D GND
A
IN L
-5V
D GND
A
GND
A
OUT
R
A
+5V
A
OUT
L
D +5V
D IN 2
M +5V
D IN 1
M +5V
M GND
D OUT
M GND
REF AMP
.
B
A
REC-B SW
TREBLE
TREBLE
VOLUME1
INPUT
AT
T
S
W
INPUT
REC-C SW
REC-A
SW
B
A
LOUDNESS
SW
SELECT
OR1
INPUT
T
ONE
VOLUME1
MAIN
MID1
BASS1
1
SURROUND
REC-C SW
REC-A
SW
A
B
INPUT
AT
T
S
W
REC-B SW
INPUT
VOLUME2
A2
VOLUME
A1
SELECTOR
VOLUME
SELECTOR
A
B
SELECT
OR2
IN OUT
T
ONE
A
A
B
B
MID2
BASS2
2
LOUDNESS
MAIN
VOLUME2
SW
VOLUME1
SELECTOR
MAIN
VOLUME
B
A
VOLUME
MICRO COMPUTER INTERFACE
SELECTOR
A
B
MAIN VOLUME2
42
41
39
40
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
1200P
C141 220P
1K
R205
2.2u50
C135
+
R207
2.2 1/4W
C232 47P
R201
6.8K
R203
10K
C125
0.1
C129
C131
0.082
10u50
C123
+
12K
R243
12K
R241
C107 1
4.7u50
C149
+
1
C
111
C105 1
C109 1
C147
82P
56P
C137
0.056
0.15
C127
C133
68P
C138
68P
C148
1200P
C134
1K
R206
2.2u50
C136
+
6.8K
R202
10K
R204
0.1
C126
0.15
C130
0.056
C132
0.082
C128
10u50
C124
+
4.7u50
C150
+
C1
12
C108 1
12K
R244
12K
R242
1
C1
10
C106 1
C120
47P
C1
18 220P
C1
16 220P
220P
C142
C1
17 220P
C1
15 220P
C1
19 47P
C145
10u50
+
C144
10u50
+
C143
47u25
+
R62 1K
R61 1K
C37 1000P
C38 0.1
85
84
R79
220K
R53
1.8K
R52
0.047
R54
4.7K
R51
R55
0.01
C40
10K
C39
1.8K
22K
35
34
33
32
36
48
47
46
45
C235
22P
37
0.1
R85
1/4W
1/4W
10
R78
C35 470u4
+
28
29
30
31
32
33
220K
R56
Q14,15
100P
C213
C231
2.2
R313
100
0.33u5.5
+
C212
4.7u50
C201
+
4.7u50
C202
+
20uH
L2
L5
L4
78
79
77
30
93
29
6
5
7
3
2
8
4
1
2
3
1
5
6
8
4
7
100
R312
100
R311
39K
R320
7.5K
R318
39K
R319
7.5K
R317
100P
C209
6.8K
R308
100P
C210
R322 1K
100u10
+
3.9K
R306
4.7K
R304
3.9K
R309
R315
3.3K
100K
R301
R303
4.7K
820P
C207
C203
1200P
R305
3.9K
3.3K
R316
100K
R302
3.9K
R310
C208 820P
1200P
C204
6.8K
R307
R167
R314 10K
1/4W
2.2
41
42
7
36
73
74
A
VDD
C8
PCO
FILI
FILO
CL
TV
A
VSS
RF
AC
BIAS
SYI
ASYO
A
VDD
IGEN
A
VSS
ADIO
RFDC
CE
TE
1.0
R75
C237
33P
220P
C7
R25
100K
42
41
R24
15K
C9
0.022
R35
C14 0.47
48
C238
33P
44
43
42
41
C13
1000P
R34
33K
45
47
46
2700P
C16
C17
1500P
R36 1M
C15 0.01
R37
C18
0.047
10K
R74
R38
3.3K
100K
50
49
52
51
3.3K
R39
54
53
57
56
55
25
SE
FE
VC
XTEL
TES1
TEST
VSS
FRDR
FFDR
TRDR
TFDR
SRDR
SFDR
SSTP
MDP
LOCK
15K
39
39
40
R26
38
37
36
35
30
32
33
32
34
33
31
30
31
27
29
28
29
28
27
26
Lch
FOK
DFCT
MIRR
C OUT
23
24
22
21
GFS
C2PO
SCOR
WFOK
XUGF
XPCK
SPOA
SPOB
XL
ON
VDD
A
TSK
Rch
SENS
SCLK
XLA
T
CLOK
SYSM
D
ATA
XRST
18
19
20
14
15
16
17
12
13
10
11
R32
47K
8
R30 470
R29 470
R27 470
470
R31
8
9
6
7
220P
4
5
0.1
2
3
R28
C12
220
R42
C11
470
3
2
7
26
5
6
C236
D OUT
VDD
VSS
C78
R40
150
2.2
22P
C19
1000P
C43
0.1
58
60
59
A VSS 2
C22
67
BCK
LRCK
PCMD
R77
R76
2.2
2.2
61
62
EMPH
X VDD
XTAI
XTAO
65
63
64
66
15P
1000P
33.8688MHz
2200P
33P
C20
X3
C23
R41
1M
C21
12P
A OUT I
X VSS
A VDD 1
C27
220u6.3
68
69
+
L OUT 1
A IN 1
A VSS 1
70
71
R81 1K
C45 100P
72
73
R47
15K
100P
C26
+
100P
C33
8
R45
15K
820P
C41
22u50
R43
9.1K
R49
1K
C31
6
5
4
7
22u50
77
L OUT 2
A IN 2
A OUT 2
C46 100P
75
74
76
R82 1K
A VDD 2
RMUT
SQSO
SQCK
LMUT
79
78
80
100P 2
330u6.3
+
C24
+
C32
820P
3
1
R48
15K
R46
15K
R44
9.1K
C42
C34
C10 100P
1
36
37
2.2
R73
26
26
14
470P
42
42
14
8
+12
0.1
C161
3
A
GND
1
2
REC R
PLA
Y
R
7
6
5
4
REC L
PLA
Y
L
A
+12V
BIAS
C158
0.1
11
L
GND
9
M GND
10
M +12V
13
N.C
12
L
+7V
+12V
+12V
+7V
C205
83
R64
180K
2.2M
R63
R57
1M
430K
R58
BIAS
GND
C50 100P
C49
C21
1 0.1
220u10
C36
+
+7V
+9V
+9V
+7V
+7V
+5V
+B
+7V
+7V
+7V
+7V
+5V
+5V
+7V
4.7K
R33
W8
1K
R321
1
1000P
C83
C28
2200P
100P
R323
6.2K
6.2K
R324
6.8K
R325
6.8K
R326
54
100P
C244
100P
C243
L7
20uH
1
C225
C226
2.2
100P
C224
0.033
C254
+B
+5V
5V
+5V
+5V
+12V
+12V
+B
+B
5V
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+5V
+B
+B
+B
5V
+5V
+5V
+B
+B
+B
+B
3.3V
0V
0V
3.3V
5.0V
3.3V
3.3V
3.9V
3.9V
3.9V
3.9V
3.3V
7.1V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
5.1V
2.5V
2.5V
2.5V
2.5V
5.1V
5.1V
5.1V
5.1V
5.1V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
12.1V
7.1V
12.0V
6.8V
6.2V
3.3V
5.1V
7.1V
7.0V
1.6V
1.6V
0V
3.6V
H : 3.6V
V : 3.5V
H : 3.5V
V : 3.7V
7.1V
H : 0V
V : 4.5V
V : 0V
H : 3.0V
V : 4.6V
H : 0V
5.1V
www.freeservicemanuals.info
1/20/2020
Digitized in Heiloo the Netherlands
Not for sale!
