Sony CDX-F7500 / CDX-F7700 Service Manual ▷ View online
33
33
CDX-F7500/F7700
S901
CNP501
D991
D990
R991
LED932
LED931
R990
3-16. SCHEMATIC DIAGRAM — SUB SECTION —
(Page 28)
(Page 35)
34
34
CDX-F7500/F7700
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
LED916
S904
S905
LED918
S906
S902
LED914
S903
S909
LED917
S910
LED912
LED910
S908
LED913
LED911
LED923
LED919
LED915
LED920
LED921
LED922
LED901
S912
S907
IC903
LSW901
LSW902
LSW903
LSW904
LSW905
LSW906
LSW907
LSW908
LED924
D915
D916
D917
D918
FMB11
FMB12
IC901
R912
R901
R902
R903
R904
R905
R906
R907
R908
R909
R910
R911
R913
R914
R915
R916
R917
R978
R918
R919
R920
R921
R922
R923
R924
R925
R926
R927
R930
R931
R931
R932
R933
R934
R935
R928
R929
R929
R946
R947
R953
R954
R955
R959
R960
R970
R971
R972
R973
R975
C901
C903
C905
C906
C907
C909
C913
D909
D910
IC902
R961
R936
R938
R939
R979
R980
R981
C915
R976
R977
C904
D911
D901
D902
D903
D904
CN901
R983
R984
R985
IC904
R987
D912
C917
FB901
FB902
FB903
FB904
FB905
FB906
FB907
FB908
FB909
FB910
FB911
FB912
FB917
FB919
FB920
X901
R958
R982
C916
FB913
FB914
FB915
FB916
FB918
D913
L901
C912
D914
D919
R937
ENC901
FL900
3-17. PRINTED WIRING BOARD — KEY SECTION — • Refer to page 23 for Circuit Boards Location.
: Uses unleaded solder.
(Page 32)
Ref. No.
Location
D901
G-9
D902
G-9
D903
G-9
D904
F-3
D909
F-12
D910
F-12
D911
H-14
D912
G-10
• Semiconductor Location
Ref. No.
Location
D913
F-12
D914
G-13
(D915)
B-4
(D916)
A-2
(D917)
B-1
(D918)
D-2
IC901
G-7
Ref. No.
Location
IC902
H-9
IC903
B-14
IC904
G-11
LED901
C-14
LED910
D-4
LED911
C-5
LED912
C-5
LED913
C-4
LED914
A-3
LED915
C-1
LED916
D-3
LED917
B-5
LED918
A-4
LED919
B-2
LED920
B-3
LED921
C-3
LED922
C-2
LED923
A-14
LED924
D-6
Ref. No.
Location
Ref. No.
Location
( ): CDX-F7700 only
35
35
CDX-F7500/F7700
R953
R954
R955
R958
R959
IC902
R970
R971
R976
R977
R982
C915
C916
IC904
R987
D912
R961
D914
D913
C912
C903
L901
X901
R973
R972
D919
C917
FB912
FB913
FB914
FB915
FB916
FB917
FB918
FB919
C907
FB920
FB901
FB902
FB903
FB904
FB905
FB906
FB907
FB908
FB909
FB910
FB911
R946
R901
R902
R903
R904
R905
R906
R907
R908
R909
S909
S908
S907
S906
S905
S904
S903
ENC901(2/2)
S902
S910
LSW901(1/2)
S912
LSW902(1/2)
LSW903(1/2)
LSW904(1/2)
LSW905(1/2)
LSW906(1/2)
LSW907(1/2)
LSW908(1/2)
R978
R917
R916
R915
R914
R913
R912
R911
R910
D901
D902
D903
D904
D909
D910
D911
R947
C905
C906
C913
R975
R960
C909
FL900
C904
IC903
ENC901(1/2)
C901
CN901
IC901
LSW903(2/2)
LSW905(2/2)
LSW902(2/2)
LSW904(2/2)
LSW906(2/2)
LSW901(2/2)
LSW907(2/2)
LSW908(2/2)
R981
R919
R921
R923
R925
R927
R985
R929
R931
R933
R935
R937
R939
D
915
D917
D
916
D918
R979
R980
R918
R920
R922
R924
R926
R983
R984
LED923
LED901
LED910
LED924
R928
R930
R932
R934
R936
R938
LED917
LED911
LED918
LED912
LED913
LED914
LED915
LED916
LED919
LED920
LED921
LED922
3-18. SCHEMATIC DIAGRAM — KEY SECTION —
(Page 33)
36
36
CDX-F7500/F7700
IC1 LA6560-TE-L-E (SERVO Board (2/2))
3-19. IC BLOCK DIAGRAMS
1 2 3 4 5
6 7
11
MAIN
SOURCE
SELECTOR
REAR
SELECTOR
15
16
21
INPUT
MULTIPLEXER
NC
NC
AUXR
PD-LCH+
PD-
NC
PD-RCH+
8
MIC
NC
GND
NC
OUT-LF
25
OUT-LR
24 23
NC
MUTE
SAOUT
17 OUTSW
OUT-RR
ACIN-R
33
ACIN-L
31
ACOUT-L
32
IN-GAIN
POWER
SUPPLY
SOFT
MUTE
MAIN
VOLUME
7 BAND
EQUALIXER
SOFT STEP
FADER
SOFT STEP
FADER
HIGH PASS
FILTER2
MIXER
MIXER
SUB
WOOFER
FILTER
HIGH PASS
FILTER
LOUDNESS
FADER
II2CBUS
SOFT STEP
FADER
HIGH
PASS
FILTER2
37
ACOUT-SW
36
ACIN-SW
35
ACOUT-R
34
NC
9 10
SOFT STEP
FADER
SOFT STEP
FADER
ZERO
CROSS
SPECTRUM
ANALIZER
FILOL
26
AC2OUT-L
27
AC2IN-L
28
VREFOUT
30
VDD
29
13 SCL
SAIN
12 SDA
14
18 FILOR
19 AC2OUT-R
20 AC2IN-R
22 OUT-RF
40
41
42
43
44
AUX-L
CD-RCH
CD-LCH
TUNER-RCH
TUNER-LCH
38
CREF
39
NC
8
7
5
6
VREF
OSC
0.52V
30µA
L.O
PWM
ER.AMP
S.C.P
U.VLO
IN
F.B
GND
OUT
REF
CT
CS
VCC
1
2
4
3
IC401 TDA7416 (MAIN Board (1/3))
IC620 NJM2377M(TE2) (MAIN Board (2/3))
1
FWD
INPUT
2
REV
3
VCC2
4
VLO-
GND
5
VLO+
6
VO4+
7
VO4-
8
VO3+
9
VO3-
36 S-GND
35 VCONT
34 MUTE
33 VIN4
GND
32 VIN4-
31 VIN4+
30 VREF-IN
29 VIN1-SW
28 VREF-OUT
REG-OUT
27
REG-IN
26
VIN3+
25
VIN3
23
VIN2+
22
VIN2-
21
VIN2
20
VIN1+B
19
VIN3-
24
OUTPUT
CONTROL
LEVEL
SHIFT
MUTE
THERMAL SHUTDOWN
BTL-AMP
OUTPUT
ON/OFF
VIN1/VREF-SW
LEVEL
SHIFT
10
VO2+
11
VO2-
12
VO1+
13
VO1-
14
VCC1
15
VIN1
16
VIN1-A
17
VIN1+A
18
VIN1-B
AMP-B
AMP-A
LEVEL
SHIFT
LEVEL
SHIFT
L
H
1
VREF
VDD
GND
CE
CURRENT
LIMIT
2
3
5 VOUT
NC
4
1
24
2
3
4
5
6
7
VREF
VREF
VCC
VCC
VREF
23
21
22
20
17
14
13
19
18
16
15
VREF
VREF
VCC
VCC
VREF
8
9
10
11
12
SIGNAL
AMP
SIGNAL
AMP
SIGNAL
AMP
SIGNAL
AMP
LIFT
AMP
LIFT
AMP
FR-
FR+
N.C
RR-
RR+
FL+
FL-
N.C
DC(R)
DC(L)
OUT(FR)
OUT(RR)
OUT(FL)
OUT(RL)
VCC(R)
VCC(L)
LIFTL OUT
LIFTL VD
GND(R)
LIFTR VD
LIFTR OUT
GND(L)
RL+
RL-
IC7 R1114N151D-TR-FA
(SERVO Board (2/2))
(SERVO Board (2/2))
IC402 LA2901V-TL (MAIN Board (1/3))
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