Block Diagram - Audio/Video Section - Sony XAV-A1 Service Manual

5-2. BLOCK DIAGRAM – AUDIO/VIDEO Section –
DVD_L
A
(Page 24)
EXT_L
F
(Page 29)
EXT_GND
FRONT_L
JAK1001
A/V IN
FRONT_R
(L)
(R)
CP402
AUX 2
(VIDEO)
(L)
(R)
REAR MONITOR
OUT
CP451
(VIDEO)
SUB OUT (MONO)
CP401
REAR_CV
AUX 3
(CAMERA)
AM/FM TUNER
TU251
CP203
FM IN
(ANTENNA IN)
AM IN
XAV-A1
AMP DVDL
9
IC681
EXT_L
3
AUX_L
11
AUX2_L
13
RA_L
7
4
5
ELECTRICAL VOLUME
2
AUX_L
5 AMP 7
IC611
POUT-
3 1 R-CH
LCH
15
AUX2_L
3 1
AMP
IC661
5 7 R-CH
2
PREL-ATT
MUTING MUTING DRIVER
PRER-ATT
Q402 Q403,404
R-CH
AUX_CV
4
AUX2_CV
1
3
7
2
5
RA-L
LCH
RCH R-CH
RA_SM
VSW
AM_AGC
AM AGC
RA_ST
ST-LANP
RA_SD
DO
RA_SDA
SDA
RA_SCL
SCL 138 143
39 37 36 38
39
AMP
IC502
37
VR-EQL
31 60
EQUALIZER
EQ-VRL
EQUALIZER AMP
IC451
33
INPUT SELECT, IC460
59
35
IC401
26 25 27
VA
5 7 AV4VREF
BUFFER
IC461
SUB
OUT 29 3 1
43 42
MUTING
Q401
VIDEO AMP
2
IC305
VIDEO
AUX2 OUT 7 4 AMP 2
BC/AUX2
IC306
BC SW1 2
VIDEO SWITCH
IC310
OUT IN1 1
SW1
RMMUTE
MUTE 4
VIDEO SWITCH
IC309
111 110 112 107
85 84 43 42 28 29 27 56 88 96
SYSTEM CONTROLLER
IC101(1/5)
25 25
12
11
POWER
AMP
IC555
4
MUTING
Q502,503
L_ATT
MUTING CONTROL MUTING DRIVER
Q508 Q510
ATT_ON
MUTING CONTROL
R-CH
Q501,506
VIDEO SWITCH
IC307
BUFFER
3 AUX1 OUT 7 15 CIN C OUT 13
Q351
17 SYNC IN X301
7.159MHz
1 REAR
OSD
2
DRIVER
RMSW1 OSD_SIN
SW1 2 11 3
IC308
RMSW2 OSD_SCLK
5 DVD SW2 4 10
OSD_/CS
9
VIDEO SWITCH
IC303
VIDEO
6 AUX1 OUT 14 4 AMP 2
IC304
1 REAR
VSW1
8 DVD 3
VSW2
10 F_AUX
4
VMUTE
5
RMSW1
RMSW1
105
RMSW2
RMSW2 106
OSD_SIN
OSD_SIN 83
OSD_SCLK
OSD_SCLK 82
OSD_/CS
OSD_/CS
81
VSW1
VSW1 93
VSW2
VSW2 94
VMUTE
VMUTE 95
XAV-A1
CP1(1/3)
FL+
5 15
16
3 FL-
3
FR+
R-CH
4 FR-
9 13 RL+
14 RL-
7
1
RR+
R-CH
22 2 RR-
5 RCA-FL
R-CH 17
RCA-FR
7
RCA-RL
R-CH 19 RCA-RR
C-VIDEO
E
(Page 28)
Q2_CSYNC
G
(Page 27)
S-Y C
(Page 24)
DVD-CV
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: DVD/CD (AUDIO)
: DVD (VIDEO)
: AUX IN (AUDIO)
: AUX IN (VIDEO)
: BUS IN (AUDIO)
: TUNER