Block Diagram -Main Section - Sony CDX-M8800 Service Manual

CDX-M8800/M8805X
3-3. BLOCK DIAGRAM — MAIN SECTION —
TUNER UNIT
TUX501
PJ501
1
(ANTENNA)
TU_SDA
TU_SCL
AU +8V
10 VCC
+5V REG.
11 TU_VDD
Q501
TU MUTE
MUTE-CONDITION
S_METER
E2P_SDA
E2P_SCL
QUALITY
B ATT
D105
BATTERY CHECK
Q101
8
3 6
CNP102
D104
2 5
BUS
1 4
CONTROL
7
IN
BUS ON SWITCH
Q110,111
TH100
LINK ON/OFF
LINK_OFF SWITCH
Q112
SYS_RST
UNI_SO
CD
B UNI_SO
SECTION
UNI_CLK
(Page 21)
BUS_ON
BU_CHK
A_ATT
D307
DISPLAY
CNVSS
C
SECTION
RESET
(Page 23)
CD
A
SECTION
(Page 21)
JP401 (1/2)
L
BUS AUDIO IN
AUX IN
R
L 4
R
3
SDA
14
SCL
13
AEP,UK,E MODEL
SYSTEM CONTROL
IC303 (2/3)
RDS DECODER
IC550
X
RDS 9 16 SDA 9 28 I2C_SIO
MPX
SCL 27 I2C_SCO
4 OSCD 10
X550
4.3MHz
5 OSCI
DAVN 8 17 DAVN
TUNER ATT
7 32
8 73 TUNER-IN
82
6 VSM
17 33 EESIO
16 34
EECKO
5 80
JR301
Q380
US,CND MODEL
AEP,UK,E MODEL
BUS INTERFACE
19 NS_MASK
IC110
3 B/U_C 10 18 BU_IN
BATT
DATA OUT 8
30 UNI_SI
6 DATA I/O
DATA IN 9
29 UNI_SO
4 CLK
CLK-IN 11 31 UNI_CKO
BUSON 12
64 BUS_ON
1 BUSON
2 RST
RST
13 65 SYSRST
D301 D303
Q113
25 ATT
D906 D904
ELECTRONIC VOLUME
IC401
OUT SW 17
CD-L 42 MDL
IC470 (2/2)
CD-R 43 MDR
CREF 38 5 BUFFER
4 PDL+
OUT LF 25
7 PDR+ OUT RF 22
Q408
OUT LR 24
40 AML
41 AMR
OUT RR 21
SA CLK
14 SA IN
SDA
12 SDA
SCL
13 SCL
16 SAOUT
15 MUTE
BUS/AUX 66
SA_IN 83
VOLATT 26
BEEP 20
AMP_STB 41
AMP_DIAG 40
TEL ATT 24
69
ILL _N
ACC_IN 68
TEST IN 63
22 22
SUB OUT AMP
IC470 (1/2)
2 1
MUTE
Q470
AMP
LINE AMP
7
BIAS IC402
8 14
2 24
MUTE
Q271,171
11 13
5 23
MUTE
Q281,181
POWER AMP/MULTIPLE VOLTAGE
REGULATOR
LINE AMP
IC201
IC431
5
5 7 12
3
MUTE
Q450
9
3 1 11
7
MUTE
LINE AMP
Q453
IC451
R-CH R-CH
MUTE DRIVER
Q401,402
SDA
SDA
2 SW1 29
SCL
4 SCL 27
SW2
16 ACGND
22 STB
25 DIAG
AU 8V 30
REG1
U-CON5V 37
REG2
A_3.3V
31 REG3
VP2 6
D_3.3V
VP1 20
DR_6V 33 REG4
VP 35
LCD_10V 34 REG5
BATT
ATT
Q103
ILLUM CHECK
Q102
DETECT
Q102
+3.3V REG.
BU_3.3V 3 2 U-CON 5V
IC271
(CN401)
SUB OUT (MONO)
PJ401 (2/2)
L
FRONT
R
AUDIO OUT
L
REAR
R
CN700
1
FL+
9
FL–
2
RL+
10
RL-
4
FR+
12
FR–
3
RR+
11
RR–
5
AMP-R
6
ANT-R
19
17
F901
18
16
+B
13
ATT
14
ILL
7
ACC
15
TEST
• R-ch is omitted due to same as L-ch.
• Signal path
: FM
: AM/MW
: CD