Block Diagram -Main Section - Sony CDX-R3300 Service Manual

CDX-R3300/R3300S
3-3. BLOCK DIAGRAM — MAIN SECTION —
CD
A
CD-L
SECTION
(Page 19) R-CH
TUX601
(TUNER UNIT)
PJ601
1 ANT L 4
(ANTENNA)
R
3
VCC 10 AU+8V
TU VDD 11 TU+5V
E2P VDD 15 U COM+3.3V
SCL
TU-SCL 13
SDA
TU-SDA 14
S-METER 6
TU MUTE 7
E2P SCL 16
E2P SDA 17
DISPLAY
C
SYS RST
SECTION
(Page 21)
SYS RST
UNI SI
UNI SO
UNI SCK
CD
B
SECTION BUS ON
(Page 19)
A ATT
BU IN
ELECTRONIC VOLUME
IC401
9 C2
OUTS1 17
8 C1
OUTS2 18 R-CH
MUTE
Q407
7 B2
OUTF2 23
6 B1
OUTR2 22
OUTF1 25 R-CH (FRONT)
MUTE MUTE
R-CH (REAR)
OUTR1 24
Q405 Q404
MUTE 29
SCL
SCL 30
SDA
SDA 31 D400
MUTE CONTROL
BATT
Q400,401
SYSTEM CONTROL
IC801 (2/3)
SCL
IIC SCK 33
SDA
IIC SIO
34
45 VSM
VOL ATT 6
15 TU ATT
ATT 1
25 EEP SCK
BEEP 5
24 EEP SIO
STB 31
DIAG 56
D701
62 SYS RST ACC IN 64
TEST IN 67
58 UNI SI
D912
59 UNI SO
BATTERY CHECK
BU IN 53
60 UNI SCK
Q902,906,907
61 BUS ON
• R-CH is omitted due to same as L-CH.
• Signal Path
: CD PLAY
: FM
: AM
L
R-CH R
POWER AMP
IC100
CNP901
1
12 INRR(FL) RR+ 5 FL+
9
RR- 3 FL-
11 INRF(RL)
2
RF+ 9 RL+
10
RF- 7 RL-
4
FR+
12
FR-
3
R-CH
RR+
11
RR-
5
SW1
29
AMP-REM
6
SW2 27
ANT-REM
F901
SDA 16
2 SDA
BATT BATT
SCL
4 SCL
REG1 30 AU+8V
REG2 37
U-COM+3.3V
16 ACGND
REG3 31 SERVO+3.3V
22 STB
REG4 33 MECHA+6V
25 DIAG
REG5 34 DISP+B
35 VP
BATT
ACC CHECK 7
ACC
Q900
15
TEST
BATT
TU+5V REG
TU+5V AU+8V
Q601
20 20
PJ401
REAR
AUDIO OUT