Block Diagram -Tuner Section - Sony CDX-M600 Service Manual

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3 7 6 3 1 5 1 5 0
4-3. BLOCK DIAGRAM — TUNER SECTION —
(Page 42)
DISPLAY
SECTION
TUNER UNIT
TU601
ANT1
ANT
(ANTENNA) 1
2 ANT
T E
L 1 3 9 4 2 2 9 6 5 1 3
04
w w w
.
IC409(1/2)
1 3
(Page 40)
3 AOUT
CD
SECTION
1 CDL
Q401
MPX
10
AM IF 19
AMDET 8
Q602 Q601
MUTE
CONTROL
Q604,606
BUF
Q607
NOISE
5 1
FILT
Q605 (M600/M650)
IC602
RDS DECODER
IC601
RDS 9 16 FM DET RDS 9
4 SCL 10
XO
X601
4.3MHz
MPTH 2
5 XI
20 S METER DAVN 8
(M600R)
S METER
14
SDA IC
12
SCL IC 13
FM AGC 4
SDA ROM
17
SCL ROM
18
• Signal path
: FM
: AM/MW
x a o
y
i
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8
(M650)
ELECTRONIC VOLUME
IC401 IC402
3 30 7 12
FD1L OUT FL
PRE
1 SEL
AMP
24 OUTSSL
23 OUTSSR
29 2 13
OUT RL
13 MPX
12 AM IF
11
AM
(M600/M600R)
15 MP IV
14 S METER
20 SDA
21
SCL
IC409(2/2)
17
QUAL
5 7
18 MUTE SWR 25
4
SYSTEM CONTROL
MUTE
IC801 (2/3)
ATT CONTROL
TO CD
Q401, 402
31
VOL ATT
SECTION
32 TU ATT
(Page 40)
Q410
Q Q
50 QUALITY
3 7 6 3
56 NS MASK
55
ST-BY
ILL IN 16
TEL ATT 95
ACC IN 81
ILL
X1A 73
DET
X802 ACC
52 MPTH
Q902
32kHz DET
74
75 DAVN X0A
Q918
VSM TEST 84
53
70 I2CSIO
PW ON 83
71 I2CCKO
X0 92
51 FM AGC POWER
X801
CONT
10 E2PSIO 3.68MHz MD +B COM 8V
93
X1
Q905, 919
11 E2PCKO
TU ON 114
POWER
CONT TU 8V
MD +B MD 5V
Q924, 925
u 1 6 3
.
41 41
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2 4
9 9 8
PJ401
–1
L
BUS AUDIO IN
–2
R-CH
R
–5
L
LINE OUT
Q202
FRONT
–6
R-CH
R
–3
L
LINE OUT
Q201
REAR
–4
R-CH
R
(M600/M600R)
PJ402
–1
L
SUB OUT (MONO)
–2
R
POWER AMP
Q403
IC903 CNP901
1
5 FL+
FL
12
9
FL–
3
2
9 RL+
RL
1 5 1 5 0 8 9 2 4
11
10
RL–
7
22 MUTE
4
STBY
4
FR+
12
FR–
Q923
3
R-CH
RR+
11
RR–
13
ATT
14
ILL
7
ACC
15
TEST
Q917
5
POWER
BATT AMP REM
6
CONT
ANT REM
Q461
Q901
POWER
F901
16
CONTROL 5V BATT
BATT
Q912, 916
m
c o
CDX-M600/M600R/M650
2
9 9
9 8 2 9 9