Sony XAV-7W Service Manual ▷ View online
XAV-7W
26
26
• Waveforms
– MAIN Board –
– MAIN Board –
1
IC703
ud
(X1A)
qs
IC900
<zzm
(HSYNC SEEP),
<zx/
(HSYNC MON)
qa
IC900
<zzn
(VSYNC SEEP),
<zz.
(VSYNC MON)
4.2 Vp-p
17 ms
4.4 Vp-p
18
µ
s
2.8 Vp-p
30.5
µ
s
5.5 Vp-p
279 ns
2
IC703
od
(X1)
0.8 Vp-p
3.9
µ
s
3
IC860
1
(CT)
13.4 Vp-p
3.7
µ
s
4
IC860
7
(OUT1)
13.4 Vp-p
3.7
µ
s
5
IC860
q;
(OUT2)
8.7 Vp-p
3.7
µ
s
8.7 Vp-p
3.7
µ
s
8
Q862 (2/2) (Gate)
15.2 Vp-p
3.7
µ
s
9
Q862 (2/2) (Drain)
6
Q862 (1/2) (Gate)
1.1 Vp-p
54 ns
q;
IC900
ig
(XTAL)
H
0.9 Vp-p
qf
Q198 (Base) (Color Bar Signal Input Mode)
15.2 Vp-p
3.7
µ
s
7
Q862 (1/2) (Drain)
H
0.9 Vp-p
qg
Q199 (Base) (Color Bar Signal Input Mode)
H
0.9 Vp-p
qh
Q200 (Base) (Color Bar Signal Input Mode)
2.6 Vp-p
25.8
µ
s
– FRONT Board –
wa
IC14
y;
(OSC)
XAV-7W
27
27
TP161
IC304
R159
C97
C119
D6
C117
IC13
R129
C100
C128
C127
R185
R149
TP155
TP156
C51
C77
R181
R182
R183
IC9
D752
C76
R165
R179
R180
C78
C254
C264
C265
TP158
TP159
R333
C348
C349
D313
TP160
R539
R348
R347
C350
C351
R343
R281
IC201
C101
R153
R264
R150
C334
R323
R247
R151
R154
R268
R265
R331
C346
R307
C344
Q301
D15
C335
D315
C361
C355
C362
D100
D101
D202
D203
D102
D103
D200
D201
R51
R336
C358
C365
R327
C360
R251
R156
R157
R253
TP169
TP168
TP170
TP171
R346
R342
TP166
C331
R242
C245
C233
R262
C52
C129
R148
C345
IC101
D314
C343
R344
TP167
TP141
TP143
TP144
TP145
TP146
TP147
TP148
TP149
TP150
TP140
TP139
Q13
R131
R332
C347
D311
R334
Q307
D310
R335
Q306
Q312
Q311
C356
R152
R155
R269
R266 C247
C239
C133
C131
R973
IC171
CN3
R144
R145
R223
R237
R349
Q310
R130
TP157
IC302
C130
C132
C238
C246
L308
R123
C96
R124
R125
R7
R126
C136
C232
CN6
R646
R128
C116
C118
CN20
C98
TU2
BA08SFP-E2
22k
0.1
100
6.3V
HZU5.6B-3
0.1
BA00ASFP-E
5.6k
0.1
12000p
0.22
10k
10k
0.47
0.47
15k
15k
10k
TC4066BFT
MA8056-M-T
0.47
15k
15k
10k
0.47
1
1
1
47k
4700p
0.47
MA111
47k
100
100
0.01
47
10V
100
10k
NJM4558V
1
100
100
100
4.7
35V
35V
100
100
47k
47k
47k
47k
6.8k
4700p
100k
0.022
UN2111-TX
MA152WK-TX
10
16V
MA111
0.47
47
16V
1
1SR154
1SR154
1SR154
1SR154
1SR154
1SR154
1SR154
1SR154
0
2.2k
10
16V
0.022
1k
0.1
100
100
100
100
47k
100
0.01
10k
1500p
12000p
10k
0.47
1500p
10k
0.047
NJM4558V
MA111
0.1
100
2SD1664-T1-QR
1k
0
1
MA111
2.2k
UN2211-TX
MA111
47
UN2111-TX
FMG12-T
-14
FMG12-T
-14
10
16V
0
0
0
0
0.47
0.47
0.47
0.47
47k
TA8268AH
9P
100
100
100
100
100
DTC314TK-T
0
TDA7406
4.7
35V
35V
4.7
35V
35V
4.7
35V
35V
4.7
35V
35V
100
0.1
0
0
100
100
18p
0.22
18P
1k
33k
47
10V
0.1
2P
0.047
TUX-020
+
B
T
E
L
-
A
T
T
T
U
O
N
P
-O
N
A
U
D
IO
1
0
V
R
E
S
E
T
L
IN
K
B
U
S
C
O
N
T
-
B
U
S
SP OUT BUS
AUDIO BUS
A
U
-G
N
D
B
E
E
P
B
U
5
V
S
A
_
C
L
K
S
A
_
D
A
T
A
E
D
A
E
C
K
TU5.6V
TU8V
FL
RL
FR
RR
FL-
FR+
FR-
RL+
RL-
RR+
RR-
FL+
A
M
P
O
N
M
U
T
E
A
U
-R
S
C
L
S
D
A
ADSO2
ADSO1
RL
RR
S
C
L
S
D
A
FR
FL
T
U
5
.6
V
T
U
8
V
AU-L
METER
M
E
T
E
R
Z2
Z3
Z4
Z1
Z5
Z4
Z3
Z2
Z1
Z5
PD-
PAUSE
PHONE
TIM
NAVI
AM
AM_IF
CMPX
M
PX
1
LEV
EL
M
P_IN
M
P_O
U
T
Q
U
A
L
S
_M
U
TE
D
_G
ND
S
D
A
S
CL
SA
_C
LK
V
D
D
OUT_SW
OUT_RR
OUT_RF
OUT_LR
OUT_LF
MIXIN_RF
MIXIN_RR
MIXIN_LR
MIXIN_LF
ACIN_L
SW_IN
A
CIN
_R
S
W
_A
CO
U
T
CR
EF
A
CO
UT_
R
AU-R
AU
-L
BUS-R
BUS-L
A2-L
A
2-R
A1-R
A1-L
AC
O
UT_L
VDD
VSS
SA_DATA
FL
FR
RR
AU-GND
AU-GND
AU-GND
SUBOUT-L
SUBOUT-R
RL
GND
CTL
VCC
OUT
C
GND
CTL
VCC
OUT
C
IN1
IN2
IN3
IN4
S-GND
SVR
N.C.
TAB
OUT1+
P-GND1
OUT2-
OUT3+
P-GND3
OUT3-
OUT4+
P-GND4
OUT4-
P-GND2
OUT2+
VCC
VCC
ST-BY
MUTE
(CHASSIS)
LOW-PASS
FILTER
GN
D
VC
C
LOW-PASS
FILTER
VCC
GN
D
+5V REGULATOR
+8.5V REGULATOR
(1/5)
REGULATOR
+8V
MUTING
CONTROL
SWITCH
BATTERY OFF
MUTING DRIVER
MUTING
CONTROL
SWITCH
MUTING
-2
-1
MUTING
-2
-1
AUX
OUT1-
POWER AMP
MUTING
(L)
(R)
(L)
(R)
(L)
(R)
SUB WOOFER OUT
REAR AUDIO OUT
FRONT AUDIO OUT
CONTROL
SWITCH
ELECTRICAL
VOLUME
INPUT SELECT,
FM MPX,
ADSO
G
N
D
R
F
(ANTENNA IN)
(TUNER UNIT)
AN
T-A
M
AN
T-FM
G
N
D
-R
F
G
N
D
AM
-D
ET
R
D
S-D
ET
SW
SH
IFT
VCC(8.5V)
FM
-AG
C
M
PX
S-M
ETER
G
ND
VD
D
E2P(5
V)
SD
A(I2CBU
S)
SCL(I2CBU
S)
VD
D
(5V)
S
D
A(E2PR
O
M
)
SCL(E2P
RO
M
)
IF-AM
NO
C
10µH
FM BOARD
6-6.
SCHEMATIC DIAGRAM – FM/MAIN (1/5) Boards –
•
See page 47 for IC Block Diagram.
(Page 28)
(Page 29)
(Page 30)
(Page 29)
(Page 28)
(Page 29)
(Page 29)
XAV-7W
28
28
TP201
TP184
TP185
TP186
TP48
TP58
TP44
TP45
TP187
TP188
TP193
TP244
TP47
TP43
TP194
TP195
TP196
TP197
TP198
F1
TP182
TP183
TP173
TP174
TP175
TP176
TP177
TP178
TP179
TP180
TP181
C555
C556
R703
C41
R175
C714
R969
R163
IC4
X452
R773
R774
R173
R174
R759
C726
C727
X701
C723
R758
R749
R748
R746
C725
C724
C710
C715
C22
C716
C722
R763
C728
CN14
Q2
CN701
R176
C702
C706
R722
R723
R724
R700
R727
R721
R739
TP83
R971
R972
R162
R764
D701
TP206
Q4
R161
TP172
F2
CN15
L700
R762
IC703
S1
R45
R43
R23
Q3
Q1
C30
R172
TP207
R738
D703
R745
C31
R42
R22
1A
0.01
100
16V
16V
100k
0.1
100k
0.1
47k
100k
TC7S08F
3.58MHz
100
100
100k
100k
680k
18p
18p
32.768KHz
0.1
10k
10k
10k
100k
470p
220p
10
0.01
1000p
1000p
1000p
100k
0.1
40P
DTC124EUA
5P
100k
0.01
0.01
100
100
100
220
100
100
100
100k
100k
100k
0
MA152WA-TX
2SJ327
10k
2A
16P
100k
MB90574CPMT-
G-387-BND1
100k
100k
100k
DTC124EUA
2SJ327
0.01
10k
100k
MA111
100k
100
16V
16V
100k
100k
B1
B2
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B17
B18
B19
B20
B21
B22
B23
B24
LINK BUS
BEEP
VSYNC
HSYNC
NP_SEL
WIDE1
WIDE2
DIMMER
LCDPW
BRIGHT
R_OUT
G_OUT
VIDEO_OUT
B_OUT
KEY-ACK
BUS ON
BU CHK
UNISI
UNICKO
UNISO
SYS RST
ACC-CHECK
TXD
RXD
RXD
TXD
A
M
P
O
N
FLASH WR
S-SEL
REMSEL/GREEN
D
B
B
O
O
T
M
U
T
E
FLA
S
H
W
R
S
ID
E
BR
K
O
P
N
C
L
S
LODPLS
MCNT1
MCNT2
MDSW
CLSW
MCLOSE
MOPEN
ANGSW
R
E
M
S
E
L
/G
R
E
E
N
S
-S
E
L
S-IN
OPNCLS
R
G
B
/V
/S
E
L
K
EY
_
IL
L
KEY_ILL
SDA
SCL
A
D
S
O
1
A
D
S
O
2
A
D
K
E
Y
1
S-IN
VSYNC
HSYNC
NP_SEL
WIDE1
WIDE2
DIMMER
LCDPW
BRIGHT
LCDPW
BRIGHT
WIDE1
WIDE2
DIMMER
NP_SEL
HSYNC
VSYNC
A
D
K
E
Y
2
L
E
D
_
S
W
2
L
ED
_
S
W
1
ADKEY2
ADKEY1
VIDEO_OUT
R_OUT
G_OUT
B_OUT
VIDEO_OUT
R_OUT
G_OUT
B_OUT
S-IN
S-OUT
M
E
T
E
R
S
A
_
E
N
IN
L
O
D
P
L
S
M
O
P
E
N
M
C
L
O
S
E
A
N
G
S
W
M
D
S
W
C
L
S
W
M
C
N
T
1
M
C
N
T
2
ECK
EDA
COBOX
SYS+B
SYS+B
SYS+B
NC
GND
GND
GND
MOPEN
MCLOSE
MCNT2
MCNT1
LODPLS
SYSPW
ANGSW
CLSW
MDSW
SYS+B
SYS+B
SYS+B
NC
GND
GND
VIDEO
GND
R
GND
G
GND
B
LCDPW
BRIGHT
WIDE1
WIDE2
TV
GND
LEFT
RIGHT
GND
HSYNC
VSYNC
VOLCLK
VOLDATA
AMUTE
BEEP
SYS5V
DIMMER
SIRCS
SIRCS SEL
VOLRST
OPEN/CLOSE
NP_SEL
KEY1
KEY2
+5V
GND
RX
TX
FLS_WR
VSS
X0
X1
VCC
VSS
VCC
BEEP
VSS
DVCC
DVSS
AVCC
AVRH
AVRL
VCC
VSS
X1A
X0A
C
AVSS
QUALITY
SIRCS
ATT
TROM-SDA
TROM-SCL
NAVI-ATT
UNISI
UNISO
UNICLK
SHIFT
KEYIN0
KEYIN
1
RC-IN0
S-METER
N
S-M
ASK
DDC-ON
SIDEBRK
OPNCLS
PWM
FLASH-W
I2C-SDA
I2C-SCL
RC_IN1
P-ON
TEST-IN
MD2
MD1
MD0
MO
PEN
M
CLOSE
MCNT1
M
CNT2
DESTSEL1
REM
SEL
M
NTOPN
TUNER-ON
LODPLS
DESTSEL2
KEYIN2
ADSO1
ADSO2
KEY_ILL
NC
NC
NC
SIRCS BUFFER
G
V
MASTER CONTROLLER
BACK CNT
NCO
NCO
NCO
SYSRST
NCO
NCO
RX
TX
BUS-ON
MVOL RST
MVOL DAT
MVOL CLK
NCO
NCO
NCO
NCO
NCO
NCO
NCO
E-VOL-ATT
NCO
NCO
NCO
NCO
ST-BY
RGB SEL
KEY ILL
AMUTE
NCO
NCO
NCO
NCO
DAVN
NCO
BU IN
NCO
KEY ACK
AD-ON
ACCIN
BACK SEN
RAM-BU
HSTX
RSTX
ILL-IN
M
DSW
CLSW
ANGSW
BOOT
SA ENIN
NCO
NCO
NCO
ILL ON
LED SW
1
LED SW
2
TELL ATT
DVD ON
B+ SWITCH
Q1,2
Q3,4
S1
(FREQUENCY SELECT)
FM 50kHz
AM 9kHz
FM 200kHz
AM 10kHz
S
S
(2/5)
COBOX
ST
M
PTH
(US)
-2
-1
(E)
B+ SWITCH
SYSTEM
SYSTEM
22µH
R728
100k
100k
C700
0.01
(US)
6-7.
SCHEMATIC DIAGRAM – MAIN Board (2/5) –
•
See page 26 for Waveforms.
(Page 38)
(Page 31)
(Page 30)
(Page 27)
(Page 27)
(Page 29)
(Page 45)
XAV-7W
29
29
TP247
D764
R760
R907
TP266
D918
C916
TP263
TP264
TP262
TP261
TP260
TP259
TP258
TP257
TP256
TP255
TP254
TP253
TP252
TP251
TP250
L901
D908
C913
R932
C
9
0
2
C
9
08
D
9
0
3
R944
R930
R943
R905
R164
D909
R947
TP267
Q754
Q753
R771
D759
D765
R772
R770
IC751
D755
TP241
TP245
TP246
TP26
TP27
TP28
TP29
C283
D316
D
76
0
D
7
6
1
D
7
6
2
TP248
R838
C846
Q810
D
8
1
2
C844
TP33
D811
R
1
C
3
6
3
C
8
7
0
C867
C866
R868
R867
Q811
L309
R206
R
2
0
3
C751
R864
C
8
4
3
C
8
7
1
C
2
6
2
R871
C868
D814
D
8
1
3
R747
L311
D204
C869
R872
R
2
R
3
R
2
1
0
R211
D912
TH901
Q900(2/2)
Q900(1/2)
R340
R341
Q902
C733
D910
TH900
T
P
2
31
T
P
2
3
2
T
P
2
3
3
T
P
3
T
P
2
3
0
T
P
1
0
TP
9
T
P
2
3
6
T
P
2
3
7
T
P
2
4
2
T
P
2
4
3
T
P
2
3
5
D
7
7
8
D
7
7
9
D
7
8
0
D
7
76
D
7
7
5
D
7
7
4
D
7
7
3
D
7
7
2
D
7
8
1
D
7
7
1
D
7
8
2
D
7
7
0
D
7
8
3
D
7
7
7
D
7
6
7
D
7
66
D
7
8
4
R862
C
8
6
1
C
8
6
2
R
8
6
1
R860
R863
R209
R200
C865
C
8
6
4
C
8
6
3
R208
IC
8
6
0
C366
R866
C207
R
8
5
1
L807
TP61
TP34
C732
TP208
R913
R912
R767
R768
TP703
IC705
IC704
TP209
TP210
R
1
3
R12
CN2
C33
C915
R952
R950
R953
R
9
34
R935
Q908
R15
CN5
C282
C281
C731
C730
Q802
C860
D800
Q862(2/2)
D205
Q862(1/2)
D815
Q861
Q860
TP249
Q910
Q904
R10
R11
J901
Q906
D11
T
P
2
3
4
R8
R869
R1009
Q809
Q912
R946
R918
R202
TP265
CN901
C
2
0
2
C734
F201
C263
C845
C
2
1
2
C364
TP13
R
1
8
R
1
6
F901
R
2
0
T
H
7
5
2
MA111
100k
100k
1N5404TU
3300
25V
1SR154
4.7
35V
22k
1
0
0
0p
1
0
00
p
1
S
R
1
54
47k
1k
4.7k
4.7k
10k
MA152WA-TX
47k
UN2211-TX
UN2111-TX
100
MA8062-M-T
MA8180-M
1k
15k
BA8270F-E2
MA152WK-TX
10p
MA111
M
A
81
80
-M
R
B
7
5
1
H
M
A
8
1
8
0
-M
4.7k
0.47
2SC2712
-YG
H
Z
U
6
.2
B
-2
1000p
HZU5.6B-2
1
0
0
1
0
0
1
6
V
0
.1
1
0.1
220
330
UN2211-TX
3k
2
2k
10000p
390
0
.1
0
.1
1
0
0
1
6V
330
0.1
1SR154
1
S
R
1
5
4
2.2k
SFPB-74V
1
220
1
0
0
2
2
0
3
k
12k
1SR154
UPA1853GR-
UPA1853GR-
10k
10k
XN1211-TX
2.2
1SR154
M
A
8
1
8
0
-M
M
A
8
1
8
0
-M
M
A
8
1
8
0
-M
M
A
8
1
8
0
-M
M
A
8
1
8
0
-M
M
A
8
1
8
0
-M
M
A
8
1
8
0
-M
M
A
8
1
8
0
-M
M
A
8
1
8
0
-M
M
A
8
1
8
0
-M
M
A
8
1
8
0
-M
M
A
8
1
8
0
-M
M
A
8
18
0
-M
M
A
8
1
8
0
-M
M
A
8
1
8
0
-M
M
A
8
18
0
-M
M
A
8
18
0
-M
15k
3
3
0
p
1
0
0
0
p
1
6
k
100k
15k
4.7k
4.7k
0.1
1
0
0
0
p
3
3
0
p
4.7k
T
L
1
4
5
1
A
C
D
B
100
16V
16V
1.2k
0.1
4
7
k
0.1
10k
10k
470k
100
RN5VD33AA-
XC61AN4102
1
0
0
100
22P
1
1
100
10k
100
1
0
0
10k
XN4381-TX
1k
10P
10p
10p
0.1F
5.5V
5.5V
100
6.3V
UN2211
-TX
150p
MA111
UPA1853GR-
SFPB-74V
UPA1853GR-
MA111
FMY1A-T148
FMY1A-T148
2SC2712-YG
2SC2712-YG
100
100
2SC2712
-YG
MA152WK
-TX
0
390
1.2k
2SD1802FAT
UN2111-TX
4.7k
47k
4.7k
16P
0
.1
0.1F
5.5V
5.5V
1A
100
16V
39
16V
1
0
0
6
.3
V
100
16V
16V
0
1
0
0
10A
1
0
0
B1
B2
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B17
B18
B19
B20
B21
B22
B23
B24
AUDIO 10V
TU ON
P-ON
RESET
TEL-ATT
+B
U-COM GND
CONT-BUS
SP OUT BUS
AU-GND
AUDIO BUS
BU5V
SA_ENIN
BUS ON
LED_SW1
LED_SW2
LINK-OFF
DB BOOT
TXD
RXD
SYS RST
BU CHK
UNICKO
UNISI
FP_SO
BU5V(SUB)
D5V(SUB)
GND(SUB)
TINT
COL
RGB/V/SEL
R_IN
G_IN
B_IN
VIDEO_IN
CE
CL
DI
INH
VSYNC(SS)
HSYNC(SS)
COBOX
FL-
RL-
FL+
RL+
FR+
RR+
FR-
RR-
KEY-ACK
ILL-ON+B
ANT-REM
AMP-REM
ILL-ON+B
S-OUT
NP_SEL
AU-L
AU-R
SIDEBRK
AMP-REM
ANT-REM
ACC-CHECK
UNISI
BU CHK
UNICKO
BUS ON
FP_SO
UNISO
LINK-OFF
R1
R2
R3
R1
INH
CE
CL
DI
COBOX
BUS ON
LED_SW1
LED_SW2
LINK-OFF
DB BOOT
TXD
RXD
SYS RST
BU CHK
UNICKO
UNISI
FP_SO
CE
CL
DI
INH
R_IN
G_IN
TINT
COL
VIDEO_IN
B_IN
SA_ENIN
SDA
SCL
R_IN
G_IN
B_IN
VIDEO_IN
COL
TINT
KEY_ILL
ADKEY1
R2
R3
R4
R4
RGB/V/SEL
DATA
OUT
DATA
IN
B/U-C
CLK-IN
GND
DATA
VREF
CLK
BATT
RST
VCC
BUS-ON
RST
BUS.ON
FL+
FL-
RL+
RL-
RR+
RR-
FR+
FR-
ATT
ACC
ILL
GND
SBRK
V_SY
NC
NP_SEL
AU-GN
D
AU
-L
B
BU
S_O
N
DA
TA
CLK
+B
VIDE
O
HU
E
CO
L
AU-R
SIRCS
R
G
G
ND
SD
A
SCL
SYSPW
ILL-GND
ILL-ON+B
SYS+B
RESET
KEY-GND
KEY0
CE
CL
DI
INH
OUT
VDD
GND
CD
NC
(3/5)
SWITCH
OSC
RESET SIGNAL GENERATOR
O
G
I
(FOR INTERNAL RAM)
RESET SIGNAL GENERATOR
-1 -2
REGULATOR
+5V
Q809,810
REGULATOR
SWITCHING
REGULATOR
SWITCHING
-1
-2
REGULATOR
SWITCHING
-1
-2
REGULATOR
SWITCHING
POWER
CONTROL
CONTROL
REGULATOR
SWITCH
SONY BUS
INTERFACE
SWITCH
BUS ON
Q900-1,902-1
ANTENNA REMOTE
B+ SWITCH
B+ SWITCH
Q900-2,902-2
AMP REMOTE
BATTERY
CHECK
SWITCH
SWITCH
B+
-1
-2
CHECK
ACCESSORY
CHECK
ILLUMINATION
(REMOTE IN)
SHIFT
LEVEL
ANT REM
AMP REM
BATT
AMP REM MAX 0.3A
ACC
FRONT LCH-
FRONT LCH+
REAR LCH+
REAR LCH-
REAR RCH+
REAR RCH-
FRONT RCH+
FRONT RCH-
PARKING BRAKE
ATT
ILL
TO CONNECTION BOX(XA-114)
CT
RT
N
INV_IN1
INV_IN1
F_BACK1
CON
T1
OUT1
GN
D
VCC
O
UT2
CONT2
F_BACK2
INV_IN2
N
INV_IN2
SCP
REF_OUT
KEY
ACTIVE
S
S
S
S
H_SYNC
R
ESET
47µH
10µH
68µH
400µH
ANT REM MAX 0.1A
4700
25V
F902
10A
32V
32V
BATT
GND
32V
6-8.
SCHEMATIC DIAGRAM – MAIN Board (3/5) –
•
See page 26 for Waveforms.
•
See page 47 for IC Block Diagram.
(Page
28)
(Page 31)
(Page 30)
(Page 35)
(Page 27)
(Page 27)
(Page 27)
(Page 27)
(Page 30)
Click on the first or last page to see other XAV-7W service manuals if exist.