Block Diagram - Tuner/Audio Section - Sony MEX-DV1000 Service Manual

5-2. BLOCK DIAGRAM – TUNER/AUDIO Section –
FL, LS, CEN, SUB, AIN_L
A
(Page 18)
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: DVD/CD PLAY (AUDIO)
: TUNER (FM/AM)
: BUS AUDIO IN
: AUX IN
: MIC IN
(DV1000)
CN302 (2/4)
10
(L)
BUS AUDIO IN
8
(R) R-CH
(DV2000)
CN301 (1/2)
15
(L)
BUS AUDIO IN
13
(R)
R-CH
J901
AUX
CN302 (3/4)
1
MIC AMP
MIC IN
IC301
TUNER UNIT
TUX201
J201
(ANTENNA IN)
1 ANT L 4
R 3
TU_SDA 14
TU_SCL 13
S_METER 6
TU_MUTE 7
MUTE-CONDITION 8
E2P_SDA 17
E2P_SCL 16
QUALITY 5
RDS 9
RDS DECODER
IC201
10 XTO MPX 16
X1
SDA 12
8.664MHz
SCL 11
9 XTI DAVN
INTN 15
8 7 1
B+ SWITCH
Q203, 204
(DV1000: AEP, UK, Russian/DV2000: Russian)
MEX-DV1000/DV2000
ELECTRICAL VOLUME
IC307
FL
LINE AMP
2 INAFL
IC306
(DV2000) 11 INBFL
LS
LINE AMP
8 INARL
IC305
CEN
5 INAC
LINE AMP
SUB IC304
6 INASW
AIN_L
35 36 37
INPUT SELECTOR,
AUDIO PROCESSOR
IC302
9 SE1L OUTLF 20
7 SE2L OUTLR 19
11 DIFFL
28 MIC
5 SE3L
23 22 26 25 21
R-CH
SDA
SCL
VSM
TU MUTE
MUTE CON
TRDA
TRCL
QUALITY
EEPROM
IC504
SDA
SCL
28 27 83 82 19 17 21 18 22 23
TUNER NOISE MASK
CONTROL SWITCH
Q202
B/U+3.3V
OUTAFL 22
OUTARL 26
OUTAC 24
OUTASW 25
MUTING MUTING MUTING MUTING
Q307 Q304 Q303 Q302
R-CH R-CH
79 32 48 29 31 30
SYSTEM CONTROLLER
IC501 (2/3)
19 19
CN301 (2/2)
7
5
R-CH
3
1
CN302 (4/4)
3
5
R-CH
D309
MUTING
CONTROL SWITCH B/U B+
Q310, 311
D306
+
POWER AMP
IC802 (1/2)
12 IN_RR
11 IN_RF
2 4
+
D505
D305
42 40
MEX-DV1000/DV2000
(DV2000)
(L)
FRONT AUDIO OUT
(R)
CENTER OUT
SUB OUT
(L)
REAR AUDIO OUT
(R)
A_MUTE
B (Page 18)
CN801 (1/2)
1
RR+ 5 FL+
9
RR– 3 FL–
4
FR+
R-CH
12
FR–
1
RF+ 9 FL+
9
RF– 7 FL–
4
FR+
R-CH
12
16 25 22
FR–
DOOR_SW
C (Page 20)
20 45 46