Block Diagram - Audio, System Section - Sony MEX-1HD Service Manual

6-3. BLOCK DIAGRAM – AUDIO, SYSTEM Section –
SDO, MCLK,
LRCK, BCLK
SDO
C
(Page 27)
MCLK
LRCK
BCLK
SA_DATA, SA_CLK,
D_MUTING
(Page 28) K
BU5V
TUN8V
TUN5V
11 5 16
(FM/AM ANTENNA IN)
2 FM-ANT MPX 10
1 AM-ANT AM-DET 8
FM/AM
TUNER PACK
TUX101
S-METER 14
12
SDA
SCL 13
EEPROMSDA 17
EEPROMSCL 18
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: FM : CD PLAY
: AM : BUS AUDIO IN
XMS_DET0,
XMS_DET1
D
(Page 27)
(L)
AUX IN
(R)
R-CH
D/A CONVERTER
4 AUX-L
IC371
LOW-PASS
2 DIN VOUTL 7 FILTER 40 CDL
IC372
16 SCK
VOUTR 8 R-CH
3 LRCK
1 BCK
MUTING
Q374
12 MPX1
9 AM/MPX2
13 14 15 R-CH
Q306
31
DAC_SO
DAC_SO
21
DAC_CLK
22 DAC_CLK
DAC_CS
29 XDAC_CS
53 VM
70
I2CSIO
71 I2CCKO
10 E2SIO
11 E2CKO
SIRCS
CONTROLLER
IC903
REMOTE CONTROL
SIRCS SIRCS
RECEIVER 9 17
IN OUT
D904, IC902
3
XIN
ILL10V
D907
RESET SIGNAL
GENERATOR 6 RESET
XOUT 4
IC904
LSW901, S3,
S901 – 910
LOW-PASS
FILTER
IC302
38 33
ACOUTL ACINL
OUTLF 28
INPUT SELECT,
ELECTRICAL VOLUME
IC301
OUTLR 27
OUTSW 24
MUTING MUTING MUTING
14 23 21 19 20 17 Q305 Q303
MUTING
CONTROL
Q351, 352
D311
REAL TIME CLOCK
IC502
BZ361
OSCOUT 8
X502
1 32KOUT
32.768kHz
OSCIN 9
BUZZER DRIVE
Q361
X501
3.68MHz
3 4 2 7 6
74 25 26 27 28 76 92 93 5 15
XAMP_MUTING
AMP_ON
TELATT
SYSTEM CONTROLLER
XACC_IN 81
IC501 (2/3)
XILL_IN
FP_I_DET
XFPCLOSE_END 99
24 SIRCS
XFPOPEN_END
72 KEYACK
X900
4MHz
KEY ACTIVE
BU5V
SWITCH
Q521
80 XADON
TRAY_M+
D505
TRAY_M–
46 KEYIN0
TR_I_DET
XTR_CLOSE_END 59
XMS_DET0
XTR_OPEN_END 58
30 XMS_DET0
XMS_DET1
36 XMS_DET1
29 29
Q301
POWER AMP
IC304
R-CH
FL+ 9
11 FL-IN
FL– 7
FR+ 5
R-CH
12 FR-IN
(FRONT)
FR– 3
RL+ 17
15 RL-IN
RL– 19
RR+ 21
R-CH
14 RR-IN
(REAR)
RR– 23
9 22
XMUTING
55 4 STBY
LEVEL SHIFT
16
Q201
ACCESSORY CHECK
Q202
D206
DIMMER DETECT
95
Q203
FRONT PANEL
OPEN/CLOSE MOTOR DRIVE
IC411
98 3 9
FP_M+ FIN OUT1
M
FP_M– 97 4 RIN OUT2 7
OVER LOAD
49 DETECT 6
PGND
IC402
PANEL CLOSE-END
DETECT
PANEL OPEN-END
100
DETECT
TRAY OPEN/CLOSE
MOTOR DRIVE
IC411
61 3 FIN OUT1 9
M
62 4 RIN OUT2 7
OVER LOAD
51 DETECT 6
PGND
IC412
D6 S1
TRAY CLOSE-END
DETECT
S2
TRAY OPEN-END
DETECT
MEX-1HD
CNJ302
L
AUDIO OUT
FRONT
R-CH
R
(FRONT)
L
AUDIO OUT
REAR
R-CH
R
(REAR)
SUB OUT
CNJ201
(1/2)
2
FL+
1
FL–
3
FR+
4
FR–
10
RL+
9
RL–
11
RR+
12
RR–
14
ATT
7
ACC
15
ILL
M601
FRONT PANEL
OPEN/CLOSE
M103
TRAY
OPEN/CLOSE
XCLOSE_END
A
(Page 27)