Sony XAV-7W (serv.man2) Service Manual ▷ View online
XAV-7W
45
45
R723
R722
R721
R720
TP709
TP708
TP707
TP706
TP705
TP704
TP703
TP702
TP701
IC701
D701
C704
C703
TP715
C731
C730
D715
R738
R742
R741
R740
C728
D704
D705
TP717
TP716
IC702
TP714
R709
R703
CL711
TP713
D707
D706
D703
D708
IC710
Q716
Q717
Q715
Q714
Q713
Q712
Q711
Q710
CN710
CN700
Q720
F701
Q702
M701
10k
10k
10k
10k
PQ09TZ1U
RB160L-40TE25
47
16V
0.1
10
10V
0.1
MA8056-H
470
10k
10k
10k
0.1
MA729-TX
MA729-TX
BA6285FP-E2
470
0
MA8082
MA8068
MA8091
MA8062
TC7W139FU
DTC124EUA
DTC124EUA
DTC124EUA
DTC124EUA
DTC124EUA
DTC124EUA
DTC124EUA
DTC124EUA
12P
16P
2SC4081
350mA
2SC4081
8V
LODPLS
GND
MOTA1
MOTA1
MOTA2
MOTA2
GND
VCC
VM
FW
RW
VREF
FIN
FIN
OUT2
RNF
GND
OUT1
+9V REGULATOR
+5V REGULATOR
REGULATOR
INVERTER
INVERTER
INVERTER
INVERTER
DECODER
GND
VCC
NC
NC
NC
NC
NC
NC
POWER
SAVE
NC
NC
NC
NC
NC
NC
NC
NC
MOTOR DRIVE
MONITOR OPEN/CLOSE
REGULATOR CONTROL SWITCH
Q710-713
NC
ANGLE
MDSW
CLSW
MONITOR
OPEN/CLOSE
R743
10k
C702
0.1
C701
1000
1000
25V
L701
0
6-23. SCHEMATIC DIAGRAM – MOTOR Board –
•
See page 47 for IC Block Diagram.
(Page 28)
(Page 46)
(Page 46)
XAV-7W
46
46
TP780
TP781
TP782
Q782
TP783
R782
R793
R780
D780
CN780
C792
C791
CN790
C790
S792
S790
S791
PH780
2SC4081
10k
390
2.2k
MA8024
3P
0.1
0.1
4P
0.1
GP1S23
8V
GND
GND
ANGLE
CLSW
MDSW
LODPLS
MONITOR START
STANDING DETECT
MONITOR CLOSE
DETECT
DETECT
MONITOR AMGLE
LEVEL
SHIFT
MONITOR OPEN/CLOSE
MOTOR ROTATION DETECT
6-25. SCHEMATIC DIAGRAM – PULSE/SWITCH Boards –
6-24. PRINTED WIRING BOARDS – PULSE/SWITCH Boards –
•
See page 25 for Circuit Boards Location.
PULSE BOARD
(COMPONENT SIDE)
3
1
F
MOTOR
BOARD
CN710
PULSE BOARD
(CONDUCTOR SIDE)
SWITCH BOARD
(COMPONENT SIDE)
SWITCH BOARD
(CONDUCTOR SIDE)
S791
MONITOR ANGLE
DETECT
S792
MONITOR START
STANDING DETECT
S790
G
MOTOR BOARD
CN710
S790
MONITOR CLOSE
DETECT
1-676-686-
1-676-686-
1-676-685-
1-676-685-
31, 32
(31), (32)
31, 32
(31), (32)
31, 32
(31), (32)
31, 32
(31), (32)
(Page 44)
(Page 44)
(Page 45)
(Page 45)
Ver 1.1
47
XAV-7W
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
1G
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
2A1
1Y4
2A2
1Y3
2A3
1Y2
2A4
1Y1
2G
Vcc
1
OE1
4
GND
2
O0
3
O1
5
O2
6
O3
48
OE2
45
GND
7
VCC
42
VCC
10
GND
39
GND
15
GND
34
GND
18
VCC
31
VCC
21
GND
28
GND
24
OE4
25
OE3
47
D0
8
O4
41
D4
9
O5
40
D5
13
O8
36
D8
14
O9
35
D9
16
O10
33
D10
17
O11
32
D11
11
O6
38
D6
12
O7
37
D7
46
D1
44
D2
19
O12
30
D12
20
O13
29
D13
22
O14
27
D14
23
O15
26
D15
43
D3
IC7
TC74VHCT244AFT (EL)
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC1
MC74LCX16244DTR2
IC11
TC74HC4538AFT (EL)
1 2
3
4
5
6
7
8
T1
Q
Q
Q
T2
R
A
B
16 15 14
13
12
11
10 9
T1
Q
Q
T2
R
A
B
VDD
T12
T22
A2
B2
Q2
Q2
RESET2
RESET1
T11
T21
A1
B1
Q1
Q1
VSS
VIN1
CTL1
VIN2
4
CTL2
BIAS
1
2
3
6 V+
7 VOUT
6dB
AMP
8 GND
5 VIN3
IC8
NJM2246M
48
XAV-7W
SOFT STEP FADER
SOFT STEP FADER
SOFT STEP FADER
SOFT STEP FADER
MAIN SOURCE
SELECTOR
MIXING
SELECTOR
INPUT
MULTIPLEXER
TAPER
PDR+
PD–
PDL+
PAUSE
PHONE
TIM
NAVI
AM IF
CMPX
1
2
3
4
5
6
7
8
9
10
11
TAPE
PD
PHONE
TIM
NAVI
TAPEL
MDR
MDL
CDR
CDL 40
41
42
43
44
PAUSE
BEEP
IN-GAIN
+AUTO ZERO
SOFT STEP
VOLUME
7 BAND
EQUALIZER
SOFT MUTE
LOUDNESS
+
+
SWACOUT 37
HPF
ACOUTL 38
ACOUTR 36
OUTPUT
SELECTOR
SWIN 34
ACINR 35
REAR
AC IN
SW
MAIN
MIXER
FRONT
ACINL
MIXINLF
MIXINLR
MIXINRR
MIXINRF
OUTLF
OUTLR
OUTRF
OUTRR
25
26
27
28
29
30
31
32
33
SUB
WOOFER
FILTER
SOFT STEP FADER
OUTSW
24
MONO FADER
DIGITAL CONTROL
IIC BUS
SPECTRUM
ANALYZER
22
23
VDD
DEMODULATOR
+STEREO ADJUST
+STEREO BLEND
25kHz
LPF
HIGH-CUT
S & H
PILOT
CANCELLATION
PLL
PILOT
DET
80kHz
LPF
FM/AM
NOISE BLANKER
STD
IN GAIN
AM/MPX2
MULTIPATH
DETECTOR
D/A
CONVERTER
QUAL
PULSE
FORMER
SAOUT
SACLK
21
SCL
20
SDA
GND
ATT
19
18
17
QUAL
16
MPOUT
MPIN
LEVEL
13
14
15
MPX1
12
CREF 39
MD
CD
FM
AM
IC302
TDA7406
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