Block Diagram -Main Section - Sony mex-1gp Service Manual

3-3. BLOCK DIAGRAM — MAIN SECTION —
(Page 18)
MEMORY
C AUDIO_L
SECTION
CD
A
CD-L
SECTION
(Page 17)
TU601
(TUNER UNIT)
PJ601
1 ANT
(ANTENNA)
L 4
R 3
R-CH
VCC8.3V 10 AU+8V
VDD5V 11 TU+5V
E2PVDD 15 BU+3.3V
SCL
TU_SCL 13
SDA
TU_SDA 14
S_METER 6
TU_MUTE 7
E2P_SCL 16
E2P_SDA 17
QUALITY 5
RDS_OUT 9
X600
8.66MHz
MUTE-
8
CONDITION
AEP,UK,E MODEL
U COM+3.3V
• R-CH is omitted due to same as L-CH.
• Signal Path
: CD PLAY
: TUNER (FM/AM)
: BUS AUDIO
: MEMORY PLAY
MEX-1GP
ELECTRONIC VOLUME
IC401
11 DIFEL
R-CH 13 DIFFR
9 SE1L
R-CH 10 SE1R
AUDIO SELECT
IC403
4 3 7 SE2L
R-CH 8 SE2R
1 2
13 5
Q409
Q408
SYSTEM CONTROL
IC801 (3/4)
100 FMP_SW
45 VSM
15 TU_ATT
25 EEP_CKO
24 EEP_SIO
44 QUALITY
QUALITY
BU+3.3V
SWITCH 13 NSMASK
Q602
RDS B+ SWITCH
Q603,604
VDD
16 MPX INTN 15 55 DAVN
SCL
9 XT1
SCL 11
SDA
SDA 12
10 XT0
RDS RECEIVER
IC600
54 TU_ATTIN
D805
2 IN OUT 1 77 RESET
RESET
S802
IC802
RESET
KEY
E DOOR_DET
SECTION
(Page 20)
SYS_RST
BUS_ON
UNI_CLK
UNI_SO
CD
B
SECTION UNI_SI
(Page 17)
BU_IN
A_ATT
LINK_OFF
RL 16
RR 28 R-CH
OUTLF 20
OUTRF 17 R-CH
MUTE
Q407
OUTLR 19
OUTRR 18 R-CH
MUTE MUTE
Q405 Q404
MUTE 21
SCL
SCL 22
SDA
SDA 23 D400
MUTE CONTROL
BATT
SAIN
25 Q400,401
SAOUT 26
SA_DATA 40
SA_CLK 26
SCL
IIC_CKO 33
SDA
IIC_SIO 34
VOL_ATT 6
AUX 32
BEEP 5
STB 31
DIAG 56
ACC_IN 64
TEL_ATT 63
ILL 7
TEST_IN
67
D702
ATT 1
D701
D403
BUS INTERFACE CONTROL
FP_ATT IC900
99
D402
BU_IN 10 B/U-C
53
UNI_SI 58 8 DATA OUT
UNI_SO 59
UNI_SCK 60 11 CLK-IN
BUSON 61 12 BUSON
SYS_RST 62 13 RST
D858
D818
9 DATA IN
D804
D857
19 19
Q301
R-CH
R-CH
POWER AMP
MULTI REGULATOR R-CH
IC100
FL
LF+
12 FL 5
LF– 3
11 RL
LR+ 9
LR– 7
R-CH
SW1 29
SW2
27
BATT
F901
VP 35
SDA VP1 20
2 SDA
VP2 6
SCL
4 SCL
REG1 30
AU+8V
REG2 37 U-COM+5V
REG3 31
SERVO+3.3V
16 ACGND
REG4 33 MECHA+6V
22 STB
REG5 34
DISP+B
25 DIAG
ACC DETECT
Q900
TEL-ATT DETECT
Q901
ILL DETECT
Q912
+5V REG
TU+5V AU+8V
Q601
+3.3V REG
BU+3.3V
U-COM+5V
IC803
D912
BATTERY CHECK
BATT 3 BATT
Q902
D915
DATA I/O 6
CLK 4
LINK ON/OFF
BUSON 1
CONTROL
Q913,905
RST 2
BATT
MEX-1GP
L
BUS
AUDIO IN
R
L PJ401
REAR
R
AUDIO
OUT
L
FRONT
R
CNP901
1
FL+
9
FL-
2
RL+
10
RL-
4
FR+
12
FR-
3
RR+
11
RR-
5
AMP-R
6
ANT-R
16
BATT
7
ACC
13
ATT
14
ILL
15
TEST
CNJ900
8
BUS
CONTROL IN
6 3
5 2
4 1
7
TH400