Sony CX-LEM400 / XR-EM400 Service Manual ▷ View online
17
17
CX-LEM400
6-1. BLOCK DIAGRAM – CD SECTION –
: CD
• Signal Path
OPTICAL PICK-UP
BLOCK
PD1
PD2
I5-10
I1-6
LD
VC
VCC
7
5
3
1
2
4
+
3.3V
GND
PD
VR
LD
DRIVE
FOCUS
COIL
TRACKING
COIL
Q101
RF AMP
IC103
VC
27
A
6
B
7
C
8
D
9
E
10
F
11
LD
1
PD
2
IC102
MOTOR/COIL DRIVE
VO1+
52
VO1-
47
VO2+
56
VO2-
55
VO3+
2
VO3-
1
M
(SLED)
M102
M101
VO4+
10
VO4-
5
M
(SPINDLE)
F+
F-
T+
T-
35
IN1+
34
IN1-
32
IN2+
31
IN2-
27
IN3+
26
IN3-
24
IN4R
8
STBY
MDP
25
SRDR
30
SFDR
29
TRDR
32
TFDR
31
FRDR
34
FFDR
33
DIGITAL SIGNAL PROC.
IC101
DIGITAL SERVO
RFAC
50
29
RFDCI
28
RFDC
16
FE
17
FEI
12
SW
TE_BAL
RFDC
43
FE
39
TE
41
SE
40
66
PCMD
26
RO
4
DATA
R-CH
IC804 (1/5)
LEVEL SHIFT
IC804 (2/5)
IC804 (3/5)
IC804 (4/5)
IC804 (5/5)
L-CH
LOUT
ROUT
LOUT
ROUT
16.9344MHz
6
CLOK
5
XLAT
77
SQCK
8
SCLK
15
SCOR
76
SQSO
2
XRST
DATA
87
CLK
97
XLT
86
SQCK
88
SCOR
3
SUBQ
91
7
SENS
SENS
94
IC801 (1/2)
SYSTEM CONTROLLER
15
RF AC
18
TE
IC104
D/A CONV,
MP3 DECODER
SDIO
12
23
LO
67
BCLK
BCKIA
13
65
LRCK
LRCKIA
14
71
XTAI
72
XTAO
XI
62
XO
63
5
MIDIO
6
MICK
7
MIACK
39
REQ
1
RESET
MIDIO1
73
MIDIO2
71
MICK
MICS
MILP
79
MIACK
69
MP3RST
76
3
81
MP3REQ
83
XRST
85
4
96
MICS
MILP
LD
1
RFSW
95
+2.5V
REG
1
3
IC121
DVDD (3.3V)
+2.5V
19
RV101
X201
AVDD(3.3V)
A
MAIN SECTION
B
MAIN SECTION
PWM3
DATA
PWM3
PWM2
PWM1
CLK
LD
PWM2
TU DO
TU CLK
PWM1
IC805
D/A CONV.
3
2
1
6
7
8
3
17
4
16
2
18
6
14
5
15
68 C-DOOR
S800
(OPEN/CLOSE)
18
18
CX-LEM400
6-2. BLOCK DIAGRAM – MAIN SECTION –
• R-CH is omitted due to same as L-CH.
: TUNER
: CD
• Signal Path
: AUX
: PB (TAPE)
: REC (TAPE)
BIAS
OSC
Q307
+9V
ERASE
HEAD
REC/PB
HEAD
DECK
TU COUNT
99
TU CLK
100
TU CE
84
SYSTEM CONTROLLER
IC801 (2/2)
TU DATA
TU DO
TU CLK
98
L
R
AUX IN
J303(1/2)
SUB
WOOFER
J303(2/2)
J301
PHONES
R-CH
L
R
FUCTION
KEY
REMOTE
CONTROL
RECEIVER
IC802
S801-806
D811
ECO
TUNER PACK
L-CH
R-CH
R-CH
TU-DI
TU-DO
TU-CL
CE
TUNED
R-CH
TU TUNED
93
REC/PB
SWITCH
Q326-332
T301
BIAS OSC
Q308
MECHANISM BLOCK
PLAY
SOLENOID
DRIVER
Q321,322
MOTOR
DRIVER
DRIVER
Q323,325
TA REC/PB
77
TA BIAS
74
TA SW
24
32.768kHz
12
32.768kHz
13
X801
32.768kHz
8.64MHz
15
8.64MHz-EXTAL
16
SFT-CLK
25
X802
8.64MHz
29
RMC
FUCTION
KEY
S807-813
19
KEY2
VOL
ENCODER
RV801
22
VOL.ENC
75
ECO.LED
3
1
RESET
SWITCH
Q815
11
RST
RESET
IC803
1
3
20
I POWER DOWN
D907-910
RELAY
DRIVE
AC
IN
CD POWER
CONTROL
Q320
Q311
RY901
18
KEY1
82
CD
+5V
SOUND PROCESSOR
IC302
AUX-L
19
18
OUT-L
TU-L
23
TA-L
2
CD-L
21
16
OUT-R
R-CH
13
CONT
28
RECO-L
TU MUTE
80
FM-SIGNAL
23
RDS-DATA
7
TU STEREO
92
STEREO
MUTE
FM-SIGNAL
RDS-DATA
RDS-CLK
RDS-CLK
27
R-CH
R-CH
L-CH
PACK
T END
M1
DECK
MOTOR
SOLENOID
R-CH
F-DATA
10
TA PLAY.SW
67
TA MOTOR
6
TA END
5
TA SOL
4
POWER
AMP
R-CH
J302
SPEAKER
45
47
50
.
52
66
.
SEG1
SEG20
37
44
G1
G8
FLUORESCENT
INDICATOR TUBE
FL801
F1
F2
POWER
CONTROL
D810
IC801 VDD1,VDD2
+5.6V (SUB)
D813
26
I POWER MONITOR
Q315
B+
SWITCH
Q319
CD-VM(7V)
IC302
+5V
+5V
Q309
11
4
1
IC303
78
AMP-STNBY
13
FL -26V
D809
IC801 VDD3
+10V
REG
IC305
D920
D921
1
3
T902
POWER
D916-919
D911-914
F1(AC 3.5V)
F2(AC 3.5V)
D922-925
+5V
REG
Q305
(MAIN)
+5V
+5V
REG
Q339
TU +5V
+9V
+5V
REG
Q310
TU +10V
D319-321
D322
D312,313
POWER AMP
VCC
AC
DET
Q333
IC302
-5V
-5V
REG
Q306
RF VDD
(3.3V),
CD-VM
(3.3V)
+3.3V
REG
Q317
FL -26V
REG
Q334-337
FL -26V
POWER
MONITER
Q338
+5.6V
REG
Q312-314
D317
8
POWER ON
+5.6V( SUB)
ROUT
LOUT
A
CD SECTION
B
CD SECTION
(MAIN)
TRANSFORMER
T901
POWER
(SUB)
TRANSFORMER
M
19
19
CX-LEM400
6-3. PRINTED WIRING BOARD – BD SECTION –
IC104
IC101
IC121
IC102
IC103
E
TP7(VC)
TP4(FE)
TP2(TE)
TP8(RFAC)
TP6(RFDC)
(A-MAX.D)
TO
MAIN
BOARD
CN306
(Page 21)
E
TO
CONTROL
BOARD
CN803
(Page 23)
F
1
2
A
B
C
D
3
4
5
6
7
Ref. No.
Location
IC101
B-6
IC102
C-6
IC103
C-5
IC104
B-5
IC121
C-5
Q101
C-3
• Semiconductor
Location
20
20
CX-LEM400
6-4. SCHEMATIC DIAGRAM – BD SECTION –
(A-MAX.D)
TO
MAIN
BOARD
CN306
(Page 22)
E
TO
CONTROL
BOARD
CN803
(Page 24)
F
RV101
IC102
CN102
R116
CN104
M101
M102
C152
CN101
R131
R118
R111
C103
C101
C111
C108
C109
C102
C117
R123
C116
R114
C132
R122
R133
C115
R115
C107
Q101
C110
R132
R103
R120
R104
C153
R220
C151
R221
R226
R225
R227
R222
R224
R223
TP3
TP4
TP2
R202
R201
R252
R266
R218
R203
C226
IC101
C202
C205
C230
R151
C209
R204
R219
C112
R206
TP7
R265
TP5
R253
C258
TP9
TP8
TP6
C104
C212
C114
C229
C213
C292
R250
C255
R251
R216
C259
C266
C253
R279
R255
R257
R276
R259
FB161
C251
C227
C222
C208
C203
R168
R166
C150
C169
C231
C268
R249
R230
R260
C122
C316
R233
R231
R232
C156
C269
C263
R126
R125
R117
R113
L163
R309
R167
R169
R101
C113
IC103
R308
C211
FB203
R310
FB201
FB204
IC121
C260
R313
R318
R321
R319
R316
R314
L101
R311
C314
C261
C265
FB351
IC104
C121
FB291
R291
R271
R272
C274
R275
C271
C267
FB103
R261
FB102
C249
FB104
C270
C257
C256
C250
X201
C254
R303
R205
C216
C224
C273
C313
C133
C131
C118
C119
R155
R207
C215
C264
R351
C310
R199
TP1
R152
R105
R102
47k
33k
0.1
16P
68k
10k
150k
470p
470p
47 4V
0.1
0.1
0.1
B
0.1
3.3
0.1
B
390k
0.022
100k
2.2k
100 10V
33k
33p
2SB970
0.1
B
330k
100k
120k
15k
0.1
1k
0.1
100
100
100
100
100
100
100
SE
FE
TE
10k
33k
1k
100k
47 4V
CXD3068Q
0.1
0.1
0.1
1k
0.1
VC
RFACI
CKO
RFAC
RFDC
3300p
1000p
BLM21P331
0.1
220 10V
150
0
0
0
100
10V
10V
CXA2647N
0
0
0
0.01
1
220p
2.2
0.068
1
1
0.47
B
0.1
0
SP
1k
15k
AN41020A
100k
220
220
1k
1M
22p
100p
4.7k
3.3k
23P
11P
0
0
1M
220
220
100
100
1k
100
100
1000p
0.1
0.1
0.1
0.1
0.1
1500p
0.1
0.1
3300p
100
0.1
0.1
47 4V
47 4V
220 10V
1000
6.3V
6.3V
4700p
560
0.1
0.1
330
330
330
0.01
47k
47k
390k
2.2k
0
0
0
0.1
0
0
0
0
BA25BCOFP-E2
100
6.3V
0
0
0
0
0
1
220
4V
47
4V
4V
0
TC94A20F-CX4
0
0
10k
4.7k
0.01
10k
0.01
4700p
0
0.1
0
0.1
0
220p
0.33
0.1
0.1
16.9344MHz
22p
0
1k
0.1
0
1M
47
4V
4V
0
2.2k
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