Block Diagram -Tuner Section - Sony Xplod CDX-M800 Service Manual

CDX-M800
4-3. BLOCK DIAGRAM — TUNER SECTION —
CN503
1
(ANTENNA)
Get user manuals: See SafeManuals.com
CD
SECTION
A
(Page 21)
CDL
TUNER UNIT
TUX501
ANT
L
4
R 3 AM
SDA 14
SCL 13
AEP,UK,E MODEL
RDS DECODER
IC502
RDS 9 16 FM DET SDA 9
4 SCL 10
OSCD
5 OSCI DAVN 8
X501
4.3MHz
QUALITY 5
TU MUTE
7
MUTE CONDITION 8
S-METER 6
SDA 17
EEPROM
SCL 16
+5V REG
AU +8V TU+5V
• Signal path Q501
: FM
: AM/MW
: CD
• R-ch is omitted due to
same as L-ch.
ELECTRONIC VOLUME
IC401
4 PDL
25
42 MDL LF
32 AC OUT L
31 AC IN L
OUT LR 24
40 AML
12 SDA
13 SCL
17
OUT SW
15 SA CLK 14
MUTE
MUTE DRIVE
SA OUT 16
Q401,402
SYSTEM CONTROL
IC303 (2/3)
26
VOL ATT 43
SA IN
28 I2C SIO SA CLK 23
27 I2C CKO
BUS/AUX 66
25
ATT
17 DAVN
BEEP 20
AMP STB 41
AMPDIAG 40
80 QUALITY
XOUT 9
TUNER ATT
32
X301
73 TU ATT IN 32.768kHz
XIN 8
82 VSM
11
OSCOUT
X302
33 EESIO
6MHz
OSCIN 13
34 EECKO Q103
TEL ATT 24
ILLUMI
ILL IN 69 CHECK
Q907
ACC DET
ACC IN 68
Q102
TEST IN 63
22 22
PJ401
–1
L
BUS AUDIO
–2
IN
Q408
R-CH R
–5
L
AUDIO OUT
–6
FRONT
Q171 R-CH
R
–3
L
AUDIO OUT
–4
REAR
Q181
R-CH R
CN401
(SUB OUT(MONO))
Q470
POWER AMP/POWER SUPPLY
CNP101
IC201
1
5 FL+
FL
12
9
3 FL–
2
9 RL+
RL
11
10
SDA
2 7 RL–
4 SCL
4
16
FR+
12
22 STB
FR–
3
R-CH
25 DIAG
RR+
11
RR–
+10V 34
DISP;B
5
AU+8V 30 AU8V SW1 29
AMP REM
6
37 27
+5V U-COM SW2 ANT REM
DR+6V 33 MECHA
6
A+5V 31 SERVO VP2
AU+5V
VP1 20
19
D+5V
VP 35
17
F901
BATT
18
16
BATT
13
ATT
14
ILL
7
ACC
15
TEST