Diagrams; Block Diagram - Main Section - Sony XAV-7W Service Manual

6-1. BLOCK DIAGRAM – MAIN Section –
BU +5V
TU +8.5V
TU +5V
TUNER UNIT
TU2
11 5 16
(ANTENNA IN)
1 ANT-AM
2 ANT-FM
12
CN2 (1/7)
17
SDA
SDA
TO
CONNECTION
18
BOX SCL
SCL
16
RDS DECODER
5
IC50
SIGNAL
QUALITY
DECODER
4
57 kHz RDS/RDBS
CIN
CLOCKED
18 19
BAND-PASS DEMODULATOR
COMPARATOR
FILTER & DECODER
OSCILLATOR
& CLOCK
5 4 8
X1
4.332MHz
RESET
A
(Page 24)
75
92 93 74 73
X452 X701
3.58MHz 32.768kHz
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: FM
: AM (MW/LW)
: AUDIO
SECTION 6

DIAGRAMS

CN2 (2/7)
2 INPUT SELECT, FM MPX
AU-L ELECTRICAL VOLUME
FROM
IC302
CONNECTION
13
BOX
AU-R R-CH
AU-L
44
AM
9
AM-DET 8
MPX 10
12 13 17 18 14
AM IF
10
AM/FM NOISE
12 LPF
MPX1
9 10
DIGITAL
CONTROL
IIC BUS
IIC BUS
INTERFACE
SLAVE
REGISTER
TRANSCEIVER
19 20
SDA
SCL
BUFFER
Q50
BAND-PASS
FILTER
IC54
Q51
NOISE DET
DISCHARGE
SWITCH
10 11 53 50 56 70 71
72 48 49 47 46 79
D909-2
D909-1
D316
J901
(REMOTE IN)
SW101 – 105, 107, SW106, 108 LSW965 – 967
SW750, 751
LOW-PASS
FILTER CONTROL SWITCH
IC101
21 23 38 33
SA CLK
SPECTRUM
ANALYZER
LOUDNESS SOFT TONE OUTPUT SOFT STEP
VOLUME MUTE CONTROL SELECTOR FADER
SUB WOOFER
FILTER
PULSE
FORMER
BLANKER
DEMODULATOR
PILOT HIGH-
STEREO ADJUST
CANCELATION CUT
STEREO BLEND
PILOT DET
D/A
PLL
CONVERTER
QUAL
16 17 13 14
BACK-UP B+
D15
MUTING MUTING
CONTROL SWITCH CONTROL SWITCH
Q301 Q307
D314
5
MASTER CONTROLLER
IC703 (1/4)
80 61
KEY ACTIVE
BU
SWITCH
+5V
Q912
SW108
OPEN/
CLOSE
21 21
ADSO
IC9
OUTLF
28
MIXER OUTLR
27
MUTING
Q311-1
SOFT STEP
FADER
R-CH
MUTING
Q312-1
MUTING
Q311-2
R-CH
R-CH
MUTING
Q312-2
24
OUTSW
MUTING
Q310
D310
BATTERY OFF
MUTE DRIVER
Q306
D311
ADSO1
ADSO1 35
ADSO2
ADSO2 36
BEEP 15
55
ST-BY
D11
SIDEBRK 58
ACCESSORY CHECK
ACCIN 81
Q910
LEVEL SHIFT
TEL ATT 117
Q906
D908
ILLUMINATION
ILL-IN 95
CHECK
Q904
XAV-7W
SA DATA,
SA CLK
B (Page 22)
CN3
9
(L)
FRONT
AUDIO OUT
7
(R)
4
(L)
REAR
AUDIO OUT
6
(R)
1
(L)
SUB OUT
3
(R)
POWER AMP
CN901 (1/2)
IC171
2
OUT1+ 9 FL+
11 IN1
1
OUT1– 7
FL–
3
OIT2+ 5
FR+
12 IN2
4
OUT2– 3 FR–
10
OUT3+ 17 RL+
IN3
15
9
OUT3– 19 RL–
11
OUT4+ 21 RR+
14 IN4
12
OUT4– 23 RR–
10 AUX
22 MUTE
4
ST-BY
13
SBRK
7
ACC
14
ATT
15
ILL