Page 1
http://servis-manual.com/
Page 2
CX-LFA600
7-4. SCHEMATIC DIAGRAM – BD SECTION –
CN104
11P
R261
0.1
FB103
C261
C314
1
TO
MAIN
BOARD
CN102
(Page 26)
TO
MAIN
BOARD
CN107
(Page 26)
A
C121
C122
CN102
0.1
23P
B
R351
0
0
FB351
0
R221
100
R222
100
R220
1k
R223
100
R224
100
R225
100
R226
100
R227
100
• See page 19 for Waveforms. • See page 31, 32 for IC Block Diagrams.
C203
1000p
TP9
CKO
220
R251
IC104
TC94A20F-CX4
R303
0
1k
R218
C269
47 4V
0.1
C256
0.33
C257
220p
C270
C255
C249
0.1
0.1
220
R250
C212
1500p
C211
0.1
R206
1k
1M
4.7k
100p
R205
R207
C209
R216
FB102
0
C263
47 4V
10k
0.01
0.01
R271
10k
R279
100
R255
R257
R276
R259
C253
R260
0.1
1k
0
C251
220
0.1
4V
R311
L101
0
C264
47
4V
C267
C231
1000
6.3V
R265
220
4700p
R291
0
IC121
BA25BCOFP-E2
C229
0.1 0.1
R266
C265
220
47
4V
C268
4700p
C316
0.1
FB204
0
C260
100
6.3V
C208
0
R314
4.7k
R275
C271
C274
R272
100
100
100
100
C266
0.1
FB203
0
C227
0.1
X201
C254
C258
0
FB201
R318
R319
0
R249
0
R321
R316
0
0
1M
C259
0.1
FB104
0
C230
C226
0.1
47 4V
R308
0
R230
150
R231
330
R232
330
R233
330
0
R310
16.9344MHz
R252
22p
1M
R253
22p
1k
560
C205
0.1
C202
0.1
CXD3068Q
220p
C273
C292
0.1
0
FB291
C250
0.1
TP5
RFACI
C107
R104
TP2
TE
R102
C215
0.47
B
C216
0.01
10k
3.3k
100k
33k
R202
R204
R203
R201
IC101
0
C310
R313
0.1
C224
1
C313
0.1
C103
470p
C101
C115
100 10V
0
R199
TP3
SE
TP4
FE
R166
0
R168
0
R167
0
R169
0
C222
0.1
R219
1k
R309
0
15k
15k
R105
1k
R103
100k
B
R116
33k
C102
C104
3300p
0.1
RV101
470p
C117
0.1
47k
TP6
RFDC
R101
0
C133
2.2
C132
R120
33p
120k
R117
390k
33k
R115
R114
390k
R113
2.7k
TP7
VC
2.2k
R133
R132
330k
68k
R131
C131
0.068
0.022
150k
R111
0.1 B
C116
3300p
C213
TP8
RFAC
C112
0.1
0.1
C109
CXA2647N
IC103
C110
0.1 B
C111 C108
47 4V 0.1
R118
10k
C151
0.1
C152
0.1
R126
47k
R125
47k
C119
C118
1
1
C114
1000p
Q101
2SB970
C113
R122
100
100k
IC102
AN41020A
R155
0
R123
10V
3.3
C153
0.1
TP1
SP
CN101
16P
(A-MAX.3)
M102
M101
FB161
BLM21P331
C150 C169
220 10V
220 10V
R151
100k
L163
C156
0
0.01
2.2k
R152
2323
Page 3
CX-LFA600
7-7. SCHEMATIC DIAGRAM – MAIN SECTION –
MAIN BOARD
16V
MTZJ-T-77-5.1B
V
0.45uH
0.45uH
V
3.9K
3.9K
V
MTZJ-T-72-8.2C
MTZJ-T-72-8.2C
1.2K
1.2K
V
V
0.45uH
V
15K
6.8K
6.8K
0[0]
-T2B
REC/PB
-2.2
[0]
SWITCH
MTZJ-T-72-8.2C
-0.7[4.4]
-2.2
[4.4]
390P
390P
10K
10K
AUX IN
TUNER
PACK
B
TO
BD BOARD
CN104
(Page 23)
L
R
HEAD
(REC/PLAY/ERASE)
R-CH
REC/PB
HEAD
L-CH
ERASE
HEAD
0.45uH
10K
10K
• See page 19 for Waveform. • See page 33, 34 for IC Block Diagrams.
TO
BD BOARD
A
CN102
(Page 23)
1.5K
1.5K
1.5K
1.5K
1.5K
0.45uH
2.7K
1K8282
15K
15K
1K
3.9K
3.9K
1.8K
1.8K
0
2.7K
50V
50V
50V
50V
50V
50V
0000000000000
IC101
SOUND PROCESSOR
0
-2.2
[4.0]
-2.2
[4.0]
0[4.0]
REC/PB
SWITCH
0[4.4]
REC/PB SWITCH
0[0]
-G
-G
0[0]
Q101,Q102
- REC/PB SWITCH -
L-TL2
L-TL2
-0.7[0.2]
-0.7[0.2]
0[4.0]
-T2B
REC/PB SWITCH
-2.2
[0]
-2.2
[0]
REC/PB SWITCH
0
10.2
-T2B
BIAS OSC
10.2
10.0
10.2
10.2
BIAS OSC
000000000
150
MTZJ-T-72-8.2C
MTZJ-T-72-8.2C
10.0
L
BIAS
0.2
SWITCH
150
680P
V
0.2
0.8
680P
3
L
0.027
L
4.6
0.1
-4.7
47
V
V
D
TO
FRONT BOARD
CN602
(Page 29)
1.5
-G
MUTING CONTROL
4.8
1.8
8.9
4.7K
TO
FRONT BOARD
C
CN601
(Page 29)
PHONE BOARD
220
220
D00 TUCK
D01 TUDO
9.5
8.5
8.4
0.2
0(3.4)
0(1.9)
0(1.7)
100P 50V
0(0.8)
0(0.8)
0(0)
0(0)
MTZJ-T-72-8.2C
-TR
MTZJ-T-72-8.2C
IC103
DAC
IC102
0
SWITCH
4.8
10K
10.3
-38.3
MTZJ-T-72-8.2C
22K
0.7
-G
MTZJ-T-77-8.2C
-38.1
0.6
4.9
+VM REG
82K
POWER AMP
38.1
38.0
2.9
MTZJ-T-77-4.7B
-EF
18.0
17.2
16.5
0.1
82P
82P
OVER CURRENT DET
L-TE85R
0.1
0.2
+VM REG
000
2.4
2.4
0.9
L-TE85R
DC DET
-G
0.6
L-
DC DET
AC DET
0.9
TE85R
0.6
0.6
- OVERLOAD DET -
NOTE:
RXXX
Q4, Q5
MTZJ-T-77-33D
-33.1
MTZJ-T-77-6.2B
V
V
-33.6
-42.9
-VFL REG
R
50V
K
RELAY
DRIVER
5.1
0
00000
36.8
0.6
L-
MUTING
TE85R
0
0.6
0
0.6
0.9
MTZJ-T-77-4.7B
1.4
B+ SWITCH
0.7
47
L-TE85R
SWITCH
4.7K
9.4
8.9
-EF
+3.3V REG
10.2
0
9.8
MTZJ-T-
72-8.2C
0
L-TE85R
0
25
1K
L-TE85R
MUTING
4.6
L-TE85R
L-TE85R
0
+3.3V REG
G
10.2
4.5
5.1
B+ SWITCH
50V
STADNBY
SWITCH
16V
470
50V
MTZJ-T-72-8.2C
MTZJ-T-72-8.2C
0.6
L-TE85R
+VM REG
MTZJ-T-72-8.2C
1.0
0
0.45uH
0.45uH
0
No mark:FM
( ): CD play
[ ]:TAPE stop
FAN
SUB WOOFER
TO
CASSETTTE
DECK
PHONES
L
SPEAKERS
R
PT BOARD
FW901
(Page 30)
E
TO
2626
Page 4
CX-LFA600
7-10. SCHEMATIC DIAGRAM – FRONT SECTION –
FRONT BOARD
IC602
SHIFT REGISTER
0
0.3
0.3
0
5.0
5.1
5.2
C
TO
MAIN
BOARD
CN105
(Page 26)
MTZJ-T-72-8.2C
• See page 19 for Waveforms. • See page 34 for IC Block Diagrams.
9.8
BCF-E2
5.8
9.0
+5V REG
5.1
5.1
0
0
MTZJ-T72-8.2C
8.3
L-TE85R
3.0
2.4
+5V REG
3.0
V
G
0.5
L-TE85R
+5V REG
-TP
MTZJ-T-82-7.2C
10
10
10
FLUORESCENT INDICATOR TUBE
5.2 5.1
IC606
REMOTE CONTROL
RECEIVER
RPM
50V
ECO
SLR-342VCT31
10
D
TO
MAIN
BOARD
CN106
(Page 26)
TAPE
MECHANISM
DECK
TC AF
0
3.8
0
3.4
0
3.1
0
4.6
10
BASS
4.7
TREBLE
VOLUME
IC601
SYSTEM CONTROLLER
100
1K
100P
100P
100P
100P
100P
0
IC603
LEVEL SHIFT
0
4.6
0
4.6
0
IC B/D
50V
POWER SWITCH
5.2
5.1
-TP
MTZJ-T-72-8.2C
0
0
5.2
POWER CONTROL
MTZJ-T-72-
8.2C
MTZJ-T-72-
8.2C
5.0
68K
100
220
L-TE85R
5.5
5.5
5.0
RESET SWITCH
0
0.45uH
IC604
RESET
MOTOR DRIVER
1.9
-T146
SWITCH
0
1.0<10.1>
10.2<10.2>
50V
0.2<0.2>
10.2<9.4>
10.2
<10.2>
2SA1296GR-(TPE2)
T SOL DRIVER
10.2<10.2>
MTZJ-T-72-8.2C
MOTOR DRIVER
A-T146
10.2<5.0>
0<0.1>
52C4-E
4
5
4.7K
27
4.7
0
0
0
10.2
10.2
3.9
3.9
LOADING
BOARD
CLOSE
(LEAF)
OPEN
-
+
M901
(LOADING)
S1
IC605
MOTOR DRIVER
CD
u
POWER
1STANDBY/ON
VOLTAGE CHART
IC601
NO.
VOLT
1
0
2
0
3
0
4
10.2
5
0
6
0
7
0
8
5.0
9
0
10
0
11
5.1
12
1.8
13
2.6
14
0
15
2.4
16
2.5
17
5.0
18
5.1
19
5.1
20
5.1
21
5.1
22
5.1
23
–
24
1.9
25
2.8
TUNER
BAND
NO.
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
TAPE
Y
ECO RDS
VOLT
5.5
0.2
0
5.1
–
–
–
–
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-29.8
-28.7
5.1
-22.0
-29.0
-32.7
0
AUX
NO.
OPEN/
CLOSE
SYNCRO
REC
REC START
REC PAUSE
STOPx+>
M
-
.
m
No mark:CD stop
VOLT
-15.1
-14.5
-15.1
-15.2
-8.6
-8.1
-21.6
-29.0
-29.0
-8.4
-25.4
-25.4
-29.0
-29.3
-29.0
4.6
5.0
5.0
0.3
1.0
NO.
0
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
0
92
93
0
94
0
95
0
96
97
98
99
100
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
VOLT
4.8
0
4.8
4.9
0
0.4
4.8
–
0
5.0
5.0
5.0
5.0
0
5.0
0
0.5
0.1
4.6
1.7
4.6
5.0
0
4.6
4.8
< >:TAPE play
NOTE:
RXXX
IC B/D
2929
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