Read Sony CDX-R33EE Service Manual online
14
14
CDX-R33EE
CDX-R33EE
1 ANT
7 TUNER LCH
ELECTRONIC VOLUME
IC401
J1
(ANTENNA)
TU1
(TUNER UNIT)
I2C BUS CONTROLLED POWER AMP/
MULTIPLE VOLTAGE REGULATOR
IC750
SYSTEM CONTROL
IC501 (2/3)
CN601
6 TUNER RCH
BATT
9 CD LCH
8 CD RCH
R-CH
4
3
3
10
VCC
11
TU VDD
15
E2P VDD
13
TU-SCL
14
TU-SDA
6
S-METER
7
TU MUTE
16
E2P SCL
17
E2P SDA
39 VSM
AUDIO+8.3V
TUNER+5V
BACKUP+3.3V
BACKUP+3.3V
12 TU ATT
25 EEP CKO
24 EEP SIO
24 EEP SIO
TUNER LCH
TUNER RCH
CD-L
R-CH
25
OUT FR
R-CH
24
OUT RR
R-CH
18
OUT SUB R
17
OUT SUB L
23
OUT FL
R-CH
L
R
5
3
3
OUT FL+
OUT FL–
9
7
7
OUT RL+
OUT RL–
29
27
27
AMP REM
R-CH
ANT REM
BATT
30
37
37
REG1
35
VP
20
VP1
6
VP2
REG2
31
33
33
REG3
REG4
34
REG5
TUNER+5V
29
MUTE
2 SDA
AUDIO+8.3V
BACKUP+5V
SERVO+3.3V
MECHA+6V
MECHA+6V
PANEL+10V
4 SCL
SDA
SCL
16 BEEP
22 STB
25 DIAG
25 DIAG
AUDIO+8.3V
15
13
7
10
12
11
16
1
9
2
4
3
5
6
30
31
31
SCL
SDA
SCL
SDA
SCL
SDA
SCL
SDA
33
I2C CKO
34
I2C SIO
9
VOL ATT
86
ATT
5
BEEP
26
AMPSTB
8
DIAG
54
BU IN
73
TEST IN
12 INFL
FL+
FL–
RL+
RL–
FR+
FR–
RR+
RR–
AMP-REM
ANT-REM
ACC
TEST
11 INRL
22
OUT RL
MUTE
Q481
REAR
AUDIO OUT
MUTE CONTROL
Q478,479
58
UNI SI
59
UNI SO
60
UNI SCK
87
BUS ON
88
SYS RST
RESET
72
ACC IN
ACCESSORY CHECK
Q631
TU+5V
REG
Q1
MUTE
Q4
ATT
74
TEL ATT
TEL ATTENATION CHECK
Q651
D479
FU601
J330
D511
D510(2/2)
D510(1/2)
D512(1/2)
D512(2/2)
CD
SECTION
A
DISPLAY
SECTION
C
SYS RST
BUS ON
UNI SCK
UNI SO
UNI SI
ATT
BU CHK
CD
SECTION
B
BATT
MUTE
Q441
BATT DET
Q581,582
BATT
BATT DET
Q580
D580,581
• Signal Path
• R-CH is omitted due to same as L-CH.
: CD PLAY
: FM
: AM
3-2. BLOCK DIAGRAM — MAIN SECTION —
(Page 13)
(Page 15)
(Page 13)
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