Sony CDX-V4800 Service Manual ▷ View online
25
25
CDX-V4800
CDX-V4800
3-11. SCHEMATIC DIAGRAM — MAIN SECTION (3/3) —
• Refer to page 18 for Waveforms.
• Refer to page 32 for IC Pin Descriptions of IC801.
• Refer to page 32 for IC Pin Descriptions of IC801.
R847
R846
R835
R843
X801
R809
R800
R844
C704
D801
R834
L703
Q703
Q701
FB702
R881
C813
R815
L702
L701
L700
IC802
C707
D702
R854
R853
R845
R936
C825
JR5
R806
CN751
X800
C810
R865
R864
C709
R702
R701
R927
R849
R814
C818
C807
R826
R804
R801
R818
R816
R848
C817
C816
C812
C822
R836
R705
R837
R860
R437
TP11
R832
R819
C821
R812
R817
C827
C828
C711
D802
C705
C701
D701
R810
R916
S800
R833
JR800
JR12
S802
Q800
R805
C829
D825
IC801
CNP800
R827
R822
R823
R821
R709
R708
R703
D824
D823
D822
D821
D820
D819
D818
D817
D816
D815
R830
R
828
R862
R861
R839
R840
R841
(Page 20)
(Page 23)
(Page 24)
(Page 27)
26
26
CDX-V4800
CDX-V4800
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
C986
FMB3
FMB4
R921
R912
R986
R925
R922
C985
R905
D981
R933
IC901
16
64
49
48
33
32
17
1
R985
R982
R979
R981
R932
R901
D901
D903
R978
R946
R974
R931
R947
R906
FB901
R913
R911
R934
R904
R923
R976
Q931
R907
R984
R
977
R914
R915
R956
R955
FB903
R951
CN901
R950
FB902
RED
BLK
W
HT
RED
BLK
W
HT
R908
C984
C981
C971
C983
R987
D982
Q932
R941
R924
R991
R944
R945
R926
R927
R948
R949
C965
RE901
LSW901
IC971
LSW907
LSW920
R909
R918
R942
R910
R972
R916
R917
R952
R964
R903
R963
R962
R961
LSW903
R960
R959
R958
R957
LSW910
R902
LED944
LED943
LED941
LED942
LED951
LSW902
LED952
LED953
LED949
LED950
LED947
LED948
LED945
LED946
LED959
LED960
LED958
S906
S908
S911
S912
S913
S914
S915
S916
S917
S918
S919
R953
R954
LED957
S904
C954
C951
MAIN BOARD
CN800
C
J901
AUX
1-870-537-
(11)
11
1-870-537-
(11)
11
(11)
11
1-870-536-
RE901
PUSH SELECT
(VOLUME)
/
SEEK
LSW909
/
SEEK
LED932
(LCD BACK LIGHT)
IC971
LED941 – 944
(VOLUME ILLMINATE)
LED960,S911
BTM
LSW903
SOURCE
LED946,S912
MODE
LED945,S913
REP/1
LED948,S915
SLOW/3
LED947,S914
SHUF/2
LED952,S919
SENS
1-870-536-
(11)
11
LSW920
DSPL
LSW907
SCRL
LCD901
LIQUID CRYSTAL DISPLAY PANEL
LED959,S908
EQ3
LED951
(DISC)
LSW902
OFF
LED958,
S906
LED987,
S904
GP/ALBM
LED949,S916
AUDIO/4
LED950,S917
OSD/5
LED953,S918
PAUSE/6
LSW901
AUX JACK
BOARD
AUX JACK
BOARD
3-12. PRINTED WIRING BOARDS — KEY SECTION —
• Refer to page 17 for Circuit Boards Location.
: Uses unleaded solder.
(Page 22)
LED932
C-5
LED941
C-3
LED942
D-3
LED943
B-3
LED944
C-4
LED945
D-6
LED946
D-5
Ref. No.
Location
D901
G-12
D903
G-11
D981
H-11
D982
H-12
IC901
G-9
IC971
C-13
• Semiconductor Location
Ref. No.
Location
LED947
D-7
LED948
D-8
LED949
D-9
LED950
D-10
LED951
B-8
LED952
D-12
LED953
D-11
Ref. No.
Location
Ref. No.
Location
LED957
D-2
LED958
B-2
LED959
B-5
LED960
D-5
Q931
G-5
Q932
G-6
27
27
CDX-V4800
CDX-V4800
3-13. SCHEMATIC DIAGRAM — KEY SECTION —
D901
D981
R972
R981
R982
R974
R976
D982
CN901
R932
R934
R933
R931
R948
R949
R957
R958
R959
R960
R961
R962
R946
R947
R950
R951
R963
R964
R924
R925
R923
R926
R927
R991
IC971
R905
RE901
R904
R903
R902
R901
R906
R907
R908
R909
R910
R911
R912
R913
R914
R915
R916
R917
R918
C971
C983
C984
C981
C985
C986
R987
LSW902(2/2)
LSW901(2/2)
LSW920(2/2)
LSW907(2/2)
LSW903(2/2)
LSW910(2/2)
LSW909(2/2)
R922
R921
IC901
Q931
Q932
J901
LCD901
LED932
C951
R941
R942
LED951
LED953
LED950
LED948
LED946
LED945
LED947
LED949
LED952
LED959
LED957
LED960
LED958
R955
R956
LED943
LED941
LED942
LED944
R944
R945
R953
R954
C954
R952
D903
FB901
FB902
FB903
LSW907(1/2)
S908
LSW909(1/2)
LSW910(1/2)
S911
S912
S913
S914
S915
S916
S917
S918
S919
LSW920(1/2)
S906
S904
LSW903(1/2)
LSW902(1/2)
LSW901(1/2)
R977
R979
R978
R986
R985
R984
C965
(Page 25)
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28
CDX-V4800
CDX-V4800
• IC BLOCK DIAGRAMS
IC500 BU9536KS2 (SERVO Board (1/2))
51 50
52
1
RF SIGNAL GEN.
DIGITAL
SIGNAL
PROCESSOR
APC
AVDD1
AC
BD
VBIAS
E
F
AGND1
FEN
FEO
FEO
PKC
BTC
PD
LD
EFLAG
EQO
RFI
CAGC
TEN
TEO
SC
TZCRFM
RFRPPFM
JUMPO
TDOUT
SDIN
SDOUT
FDOUT
CLVOUT
CLK
LON
CLK88
ASY
FCO
PCO
MCK
DGND
XO
XI
DVDD
XPLCK
BUFO
DCK
LRCK
DOUTA
LRCK
DOUTA
WFCK
SUBCK
SUBCK
SUBDATA
SUBSYQ
SUBSYQ
BUSY
RESETX
R/W
DIN/DOUT
DIN/DOUT
SERVO SIGNAL
GEN.
2
49 48 47 46 45
44 43
42 41
40
3
4
5
6
7
8
9
10
11
12
13
14 15
16
27
28
29
30
31
32
36
37
38
33
34
35
39
17 18 19 20 21 22
26
25
24
23
PLL
DIGITAL
SERVO
FILTER
FILTER
DIGITAL SERVO
SIGNAL
PROCESSOR
16K
SRAM
COMMAND
INTERFACE
INTERFACE
IC600 BA5966FP-FE2 (SERVO Board (1/2))
+
–
+
–
+
–
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
IN4(+)
IN4(–)
OUT4
IN3(+)
IN3(–)
OUT3
MUTE
BIAS
GND
VO3(–)
VO3(+)
VO4(–)
VO4(+)
FWD
IN1(+)
IN1(–)
OUT1
IN2(+)
IN2(–)
OUT2
VCC
VOL(–)
VOL(+)
VO2(–)
VO2(+)
VO1(–)
VO1(+)
FSADJUST
P7
P6
P5
P4
P3
P2
P1
P0
P0
CVBS/Y
AGND
TEST
HSYNC
VSYNC
VDD
DGND
CLKOUT
SLEEP
9
9
SVIDEO
10
CBSWAP
11
MASTER
12
MODEA
13
MODEB
14
CLK
15
XTALO
16
1
COMP 2
VREF_OUT 4
AVCC 3
VBIAS
NC
6
VREF_IN 5
DAC
LATCH
1.3MHz
LPF
2X
UPSAMPLE
MOD.AND
MIXER
INTERNAL
VREF
7
AGND 8
VBI
GENERATOR
24
23
23
22
21
20
19
18
17
25
32 31 30 29 28 27 26
SERIAL
INTERFACE
DIGITAL
FILTER
LRCIN
DIN
BCKIN
NC
CAP
ROUT
GND
DIGITAL
SIGMA-DELTA
MODULATOR
SWICHED
CAPACITOR
DAC
1
2
2
3
4
5
6
7
DIGITAL
SIGMA-DELTA
MODULATOR
SWICHED
CAPACITOR
DAC
SCKI
FORMAT
FORMAT
DEEMP
MUTE
NC
LOUT
VDD
14
13
13
12
10
11
9
8
IC400 SPCA717A-HL211 (SERVO Board (2/2))
IC700 WM8726GED/R (SERVO Board (1/2))
IC401 TDA7419TR (MAIN Board (1/3))
2
3
1
4
5
6
7
SUPPLY
I2C BUS
DIGITAL CONTROL
INPUT
MULTIPLEXER
15
18
17
16
16
19
20
21
22
23
24
27
25
26
28
8
9
10
11
12
13
14
SOFTSEP
MONO FADER
SOFTSEP
MONO FADER
SOFTSEP
MONO FADER
SUBWOOFER
L.P.F
MIX
MIX
HPF
BUSS
MIDDLE
SPECTRUM
ANALYZER
TREBLE
SOFTSTEP
VOLUME
IN GAIN
AUTO ZERO
SOFT
MUTE
LOUDNESS
HPF
SOFTSEP
MONO FADER
SOFTSEP
MONO FADER
SOFTSEP
MONO FADER
ACOUTR
ACINR
ACINL
ACOUTL
SE3L
SE3R
SE2L
SE2R
SE1L
SE1R
DIFFL
DIFFG
DIFFR
CREF
GND
RL
OUTRF
OUTRR
OUTLR
OUTLF
MUTE
SCL
SDA
VDD
SAIN
SAOUT
VREF
RR
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