Read Sony HCD-LX20I Service Manual online
HCD-LX20i
HCD-LX20i
15
15
SECTION 6
DIAGRAMS
6-1. 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 D +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
• R-ch is omitted due to same as L-ch.
: 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
IC501 (1/2)
42
BUCK
43
XCCE
48
REQ
Click on the first or last page to see other HCD-LX20I service manuals if exist.