Read Sony CMT-LX50WMR / HCD-LX50WMR Service Manual online
HCD-LX50WMR
HCD-LX50WMR
12
12
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM - CD, TUNER Section -
OPTICAL PICK-UP BLOCK
(KSM-215CFP)
B
C
D
D
E
A
F
SP+
SP-
LD
PD
VC
AUTOMATIC
POWER
CONTROL
Q301
COIL/MOTOR DRIVER
IC401
CD-MP3 PROCESSOR
IC101
SP+
2
SP-
1
SPIN 3
SL+
SL-
SL+
12
SL-
11
SLIN 9
T+
T-
T+
18
T-
17
TIN 20
F+
F-
F+
26
F-
27
FIN 24
M-MUTE 7
97 B
94 C
96 D
94 C
96 D
100 E
95 A
98 F
91 LDO
MDI
84 VRO
13 DMO
92
12 FMO
10 TRO
9 FOO
XO
XI
X102
16.934MHz
S201
(LIMIT)
24
23
IN_SW
CD +3.3V
20
LOUT
CD-L
30
ROUT
R-CH
27
BUS0 38
BUS1 39
BUS1 39
BUS0
17
BUS1
18
BUS2 40
BUS3 41
BUS3 41
BUS2
19
BUS3
20
O-CD BUCK
25
O-CD CCE
26
XRST 37
O-CD RESET
27
O-CD-DR MUTE
23
I-CD REQ
24
SBSY 54
I-CD SBSY
43
B
A
C
AM/FM-DET, OSC, MIX, PLL, IF AMP
IC801
36 FMRF-O
8 FM-IF
22 MPX-IN
1 AM-IN
31 AM-OSC
7
I-TU-DO
56
O-TU-CLK
55
O-TU-CE
57
O-TU-DI
46
I-TU ANSD
X801
75kHz
20
19
XIN
XOUT
16
DI
17
CL
15
CE
18
DO
25
AGC
3
J802
ANTENNA
FM/AM
1
BAND-PASS
FILTER
CF805
FM MIX
AMP
Q803
AM TRACKING
L851
AM RF
D851
7 AM-IF
L803
AM IF
34 FMRF-O
FM TRACKING
L804
32 FM-OSC
FM VT VOLTAGE
L805
FM OSC
L804
FM RF
+9V
11 FM-DET
FM DETECTOR
L806
FM DET
3
FM-MIX
23
FM-OUT
12
L-OUT
13
R-OUT
R-CH
30
BO2
BO2
TUNER-L
5
AM-MIX
24
AM-OUT
CF803
CF801
SIGNAL PATH
: CD PLAY
: USB
R-FK LV RPLWWHG GXH WR VDPH DV L-FK.
: TUNER (FM/AM)
O-CD-LOAD OUT 8
O-CD-LOAD IN 10
LOAD-OUT
LOAD-IN
LOAD-IN
SW OUT SIDE
SW CHEC
SW CHEC
I-SW CD CHECK/OUT 40
DRIVER BOARD
SYSTEM CONTROLLER
IC502 (1/3)
42
BUCK
43
XCCE
48
REQ
I-RDS DS 6
I-RDS SC 45
I-RDS SC 45
CF802
(EXCEPT AEP, UK)
(AEP, UK)
RDS DECODER
IC861
FIN
4
DO
2
CL
16
14
13
X861
4.332MHz
XOUT
XIN
(AEP, UK)
DET
AMP
Q861
Q901
28 O-USB SEL/DAB 3.3VSEL
BUS1
BUS0
BUS2
BUS3
BUS3
BUCK
BUS0 – BUS3,
BUCK, CCE, REQ
BUCK, CCE, REQ
DATA SELECTOR
IC914
SELECT
4
2
3
CCE
7
5
REQ
6
12
14
13
9
10
11
1
BUS
SWITCH
IC909
BUS
SWITCH
IC912
E
65
AIN
66
BCKI
BCK
A-IN
67
LRCKI
LRCK
51
GATE
GATE
49
PIO1/ST_REQ
ST-REQ
D
DATA, CLOCK,
A-IN, BCK, LRCK,
GATE, ST-REQ
A-IN, BCK, LRCK,
GATE, ST-REQ
47
AOUT2
63
BCKO
CLOCK
DATA
(Page 14)
(Page 14)
(Page 13)
(Page 13)
(Page 14)
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