Block Diagram -Tuner Section - Sony CDX-L510X Service Manual

CDX-L510X
Q Q
3 7 6 3 1 5 1 5 0
3-4. BLOCK DIAGRAM — TUNER SECTION —
TUNER UNIT
TU601
CNJ601
2 FM_ANT L-CH
(ANTENNA)
R-CH
1 AM_ANT DET_OUT
AM_DX/LCL
FM_DX/LCL
FM/AM_OSC
FM_VT
AM_VT
T E
L 1 3 9 4 2 2 9 6 5 1 3
OSC-IN
IF_COUNT
13
FM/AM_VCC
•
25
FM POWER
CONTROL 12 FM_VCC
TU+8V
S_METER
Q605,606
SD/ST_IND
AM POWER
CONTROL 9 AM_VCC
Q603,604
D932
TUNER ON
D931
TUNER +8V
TU+8V
Q913,D913
w w w
(Page 15)
ELECTRONIC VOLUME
A
CD
CDL 8 C1
SECTION
16 6 B1
17 R-CH
D1
24 10
11 D2
27 SDA
26 SCL
25 MUTE
PLL
SYSTEM CONTROL
IC601
VOL ATT
7
8
3 LCL
14 SCLO
4
13 SDAO
11 15 FM_VCO
16 AM_VCO
D_OUT 6 6 PLL_DI
D_IN 4
18
6 FM_CP
CK 5
14 19 VT
CE 3 11 PLL_CE
20 AM_CP
19 2 OSC
20 10 SEEK
XO 1
13
IFC
11 MONO
XI 24
X601
10.25MHz
21 28 S_METER
22 26 SD_IND
BACKUP+5V
32 DST_SEL
PLL CLK
CD
PLL DO B
X EN SECTION
(Page 15)
CONTROL
Q909,912
REG
BATT
x a o
y
. i
http://www.xiaoyu163.com
IC401
OUTF1 21
OUTR1 20
OUTF2 19
LINE MUTE LINE MUTE
R-CH
OUTR2 18
Q102 Q101
R-CH
LINE MUTE
CONTROL
IC801 (2/3)
Q401,402
ATT 4
BEEP 12
55
PW ON
A_ATT 5
52
ACC IN
TEST 33
Q Q
3 7 6
A REMO 49
D809
BU CHECK
BU IN 46 (LOW) BATT
COM+8V
Q833,834
D907
BU CHECK
(HIGH)
Q904
FM_ON 23
AM_ON 22
u 1 6 3
16 16
http://www.xiaoyu163.com
2 4
8 9 9
R-CH
POWER AMP
IC101
5
12
3
9
11
7
16 AUX-IN
4 STBY
R-CH
22 MUTE
ACC
CHECK
Q902
3 1 5 1 5 0 8 9
AMP
REMOTE CONTROL
BATT
Q911,917
ANT
REMOTE CONTROL
Q903,916
COM+8V REG
Q918,919,929,D923
F901
10A
+5 V REG
+5V BATT
Q920,D930,D999
• Signal path
• R-ch is omitted due to
same as L-ch.
m
c o
.
2
8 9 9
PJ401
-1
L
REAR AUDIO OUT
-2
R
CNP901
1 FL+
9
FL–
2 RL+
10 RL–
4 FR+
12
FR–
3 RR+
11 RR–
7 ACC
15 TEST
2 4 9 8 2 9 9
5 AMP REM
6
ANT REM
8
GND
17
19
18
16 +B (BATT)
:FM
:AM
:CD