Sony CDX-R3000N Service Manual ▷ View online
25
25
CDX-R3000N
CDX-R3000N
3-10. PRINTED WIRING BOARD — KEY SECTION —
: Uses unleaded solder.
(Page 22)
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
LED916
LED911
LED902
LED912
LED913
LED914
LED917
LCD901
LED918
LED919
LED920
LED921
LED908
LED907
S905
S906
S904
S922
S910
LED905
S902
LED932
S917
S911
LED906
LED961
S912
IC971
LED922
LED903
LED931
S913
S914
LED915
R950
R951
R949
S915
R914
S916
S918
S919
S920
S921
S908
S907
S903
R932
R931
R933
R913
S900
LED904
LED910
S901
S961
C991
CN901
IC901
D902
D964
D901
C971
R977
R992
R996
R995
R994
R989
C992
C993
C994
C995
R937
R901
D962
R903
R902
R907
R912
R911
R956
R915
R916
R917
R918
R919
R920
R921
R986
R974
Q901
R991
R961
R945
R955
R971
R972
R982
R981
R983
R984
R993
R985
R987
R988
D991
C996
IC981
C982
D903
C981
R962
R963
R938
R942
R941
R922
R957
Q902
R924
R925
R926
D992
R978
R946
R997
R998
R905
R904
R906
IC981
H-6
LED902
A-13
LED903
D-3
LED904
D-2
LED905
A-1
LED906
B-2
LED907
D-7
LED908
D-5
LED910
C-12
Ref. No.
Location
D901
G-11
D902
G-10
D903
G-13
D962
G-5
D964
G-5
D991
H-5
D992
H-9
IC901
G-8
IC971
D-14
• Semiconductor Location
Ref. No.
Location
LED911
B-13
LED912
C-13
LED913
D-12
LED914
D-11
LED915
D-15
LED916
D-9
LED917
D-9
LED918
D-8
LED919
D-7
LED920
D-6
Ref. No.
Location
Ref. No.
Location
LED921
D-5
LED922
C-3
LED931
C-11
LED932
C-4
LED961
B-7
Q902
G-4
26
26
CDX-R3000N
CDX-R3000N
3-11. SCHEMATIC DIAGRAM — KEY SECTION —
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
no mark : FM
(Page 24)
R984
R985
R986
CN901
R996
R994
R995
R987
R988
R989
R925
R931
R932
R962
R902
R903
R912
R913
R949
R950
R993
R992
R901
R904
R905
R906
R907
R911
R914
R915
R916
R917
R918
R919
R920
R921
R922
R961
R963
R972
D
901
LED902
LED903
LED904
LED905
LED906
LED907
LED908
LED910
LED911
LED912
LED913
LED914
LED915
LED916
LED917
LED918
LED919
LED920
LED921
LED922
LED932
LED961
R998
R997
R978
R971
R981
R982
R983
R974
C971
C982
C996
C991
C992
C993
C994
C995
C981
R991
S900
S910
S901
S902
S903
S911
S912
S913
S914
S915
S916
S904
S905
S906
S907
S908
S917
S918
S919
S920
S921
S922
S961
LED931
IC971
IC981
IC901
Q902
LCD901
D902
D903
R933
R937
R938
R941
R942
R945
R946
R951
R955
R956
R957
R924
R926
Q901
R977
D
964
D962
D
992
D
991
27
CDX-R3000N
IC2 BA5966FP-FE2
3-12. IC BLOCK DIAGRAMS
+
–
+
–
+
–
REV
FWD
OUT F
OUT R
+
–
+
–
+
–
+
–
+
–
+
–
MUTE
+
–
+
–
+
–
+
–
+
–
+
–
+
–
LEVEL
SHIFT
LEVEL
SHIFT
–
+
LEVEL
SHIFT
–
+
LEVEL
SHIFT
–
+
–
+
VCC
LOADING DRIVER
24
23
22
21
20
19
18
17
16
15
4
5
6
7
8
9
10
11
12
13
14
2
1
3
27
28
26
25
REV
OPIN4(+)
OPIN4(–)
OPOUT4
OPIN3(+)
OPIN3(–)
OPOUT3
MUTE
BIAS
GND
VO3(–)
VO3(+)
VO4(–)
VO4(+)
FWD
OPIN1(+)
OPIN1(–)
OPOUT1
OPIN2(+)
OPIN2(–)
OPOUT2
VCC
VOL(–)
VOL(+)
VO2(–)
VO2(+)
VO1(–)
VO1(+)
28
CDX-R3000N
IC401 BD3808FS-FE2
32
31
30
29
28
27
26
25
24
23
22
I
2
C BUS
LOGIC
VCO
MIX
FADER
(0~-58,
-∞dB)
FADER
(0~-58,
-∞dB)
FADER
(0~-58,
-∞dB)
FADER
(0~-58,
-∞dB)
VOLUME
(+23~-79dB,-∞dB
1dB STEP)
VOLUME
(+23~-79dB,-∞dB
1dB STEP)
INPUT GAIN
(0~15dB,1dB STEP)
INPUT SELECTOR
(4 STEREO INCLUDE 1 ISOLATION INPUT)
INPUT GAIN
(0~15dB,1dB STEP)
ANTI-ALIASING
FILTER
ANTI-ALIASING
FILTER
MUTE
fc:40kHz
fc:40kHz
MUTE
6
7
8
9
10
11
3
4
5
2
1
DGND
AGND
FIL
AN
AP2
AP1
B1
B2
C1
C2
D1
D2
DS11
DS21
DS31
NC
NC
12
14
16
13
15
SDA
SCL
MUTE
SEL
ADJ
VCC
OUTF1
OUTR1
OUTF2
OUTR2
DS12
DS22
DS32
OUTS1
OUTS2
21
20
19
18
17
VCC
VCC/2
TONE
PASS
PASS
BASS
fo:60,70,80,100,120,140,160,200Hz
Q:0.5,0.75,1,1.25
fo:60,70,80,100,120,140,160,200Hz
Q:0.5,0.75,1,1.25
MIDDLE
fo:500Hz,1kHz
Q:1
fo:500Hz,1kHz
Q:1
TABLE
fo:5,7.5,10,12.5kHz
fo:5,7.5,10,12.5kHz
TONE
PASS
PASS
EFFECT (0dB~
+20dB,2dB STEP)
EFFECT (0dB~
+20dB,2dB STEP)
2ND ORDER
LPF
2ND ORDER LPF
fc:OFF,80,120,160Hz
Q: 0.707
fc:OFF,80,120,160Hz
Q: 0.707
BASS,TREBLE, MIDDLE
(-15dB~+15dB,1dB STEP)
BASS,TREBLE, MIDDLE
(-15dB~+15dB,1dB STEP)
GAIN+ATT
(+10~-29,
-∞dB)
Click on the first or last page to see other CDX-R3000N service manuals if exist.