Sony CDX-V4800 Service Manual ▷ View online
13
CDX-V4800
2-10. SERVO BOARD
2-9. LE MOTOR ASSY (M903)
2
washer
4
qd
3
gear (LE1)
7
leaf spring (LE)
5
lever (D)
bracket (LEM-N)
slider (R)
qf
two toothed lock screws
(+M 1.4
(+M 1.4
)
9
bearing (LEB-N)
0
gear (LE) assy
qg
LE motor assy
(M903)
(M903)
1
Remove the two solders.
6
screw
(+P 1.7
(+P 1.7
×
2.2)
8
screw
(+M 1.7
(+M 1.7
×
2.5)
qa
screw
(+M 1.7
(+M 1.7
×
2.5)
qs
screw
(+M 1.7
(+M 1.7
×
2.5)
6
claw
1
shield sheet
7
SERVO board
2
Remove the eight solders.
3
Remove the three solders.
5
screw
4
optical pick-up (16 core)
(CN500)
(CN500)
14
CDX-V4800
MEMO
15
15
CDX-V4800
CDX-V4800
3-1. BLOCK DIAGRAM — CD SECTION —
SECTION 3
DIAGRAMS
RF AMP,
DIGITAL SERVO
IC500
52
EQ0
9
FEO
46
TZCRFM
48
TEO
51 RFI
8 FEN
49 TEN
42 XI
43 XO
PD1
PD2
E
F
I-V AMP
PD
LD
DETECTOR
35
DOUTA
96 CD DATA
36
LRCK
97 CD_LRCK
34
WFCK
50 BATTLOW
37
DCK
98 CD_BCLK
38
EFLAG
102 CD_XCK
31
SUBSYQ
81 SUBSYQ
30
BUSY
80 BUSY
29
RESETX
82 XRESET
28
R/W
83 R/W
27
DIN/OUT
84 DI/DO
26
MCK
85 MCK
CLKIN
CLKIO
3
2
5
6
E
AC
BD
F
13 LD
12
PD
24
LON
(FOCUS)
(TRACKING)
2-AXIS DEVICE
OPTICAL
PICK-UP BLOCK
• Siganal Path
: CD PLAY
LASER DIODE
M
M
M
17
18
14
13
12
11
10
9
VOL(+)
VOL(–)
FWD
REV
1
28
IN1(–) 3
OUT1
IN2(–)
OUT2
IN3(–)
OUT3
IN4(–)
OUT4
4
22 CLV OUT
6
7
18 TDOUT
17 JUMP0
23
19 SDIN
22
21 FD OUT
26
25
16
15
VO4(–)
VO4(+)
VO3(+)
VO3(–)
VO1(+)
VO1(–)
VO2(+)
VO2(–)
M903
(LOADING)
M901
(SPINDLE)
M902
(SLED)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
MOTOR DRIVE
IC600
CD-L
MAIN
SECTION
A
56
VSYNC
36
DQMO
LDON
UDQM
WE
CAS
RAS
RAS
BA
CLK
14
9
15
WE_B
10
16
CAS_B
11
17
RASO_B
112
19
BAO
SI
127
35
RAMCLK
55
HSYNC
78
AU_LRCK
79
AU_BCK
76
AU_XCK
103
DEEMP
77
AU_DATA
55 CD_SELFSW
92 CD_IN_SW
93 CD_LOAD
CD_SO
CD_ON
BU+3.3V
BU+2.5V
U COM+3.3V
19
90
SO 91
SCK 93
RESET_B 99
SP 88
MP 89
MUTE 113
16M SDROM
IC200
16M SDROM
IC300
D/A CONVERTER
IC400
DIGITAL SIGNAL PROCESSOR
IC100
D/A CONVERTER
IC700
CD_SI
18
CD_SCK
20
CD_RESET
98
SP
54
MP
90
SW2
(SELF)
95 CD_DSW
SW1
(DOWN)
S901
(LIMIT)
SW3
(DISC IN)
94 EJECT
69
CLK27_OUT
70
PLA_NTSC
54
V_RST
2 DIN
1 LRCK
3 BCKIN
3 BCKIN
14 SCKI
12 DEEMP
9
LOUT
6
ROUT
R-CH
10
MUTE
13
FORMAT
32
CVBS/Y
PD2
E
F
LD
MONOUT
F+
F–
T+
T–
PD1
AUTOMATIC
POWER
CONTROL
Q501
BU+3.3V
SWITCH
Q701,703
LASER ON
CONTROL
SWITCH
Q502
• R-ch is omitted due to same as L-ch.
66
65
X401
27MHz
X541
16.934MHz
MUTE
MAIN
SECTION
B
15 CLK
14 MODEB
14 MODEB
28 VSYNC
29 HSYNC
29 HSYNC
9
SLEEP
YC0
I
YC7
P0
I
P7
27•25•23•21•22
•24•26•28
ROMD0
I
ROMD7
29–32•34•38•40•42
•41•39•33•35•44•
43•45–49
ROMA0
I
ROMA18
29•31•33•35
•38•40•42•44
DQ0
I
DQ7
45•25–18•
8–1•48•17
8–1•48•17
A0
I
A18
ROMA0-ROMA18
ROMD0-ROMD7
RAMA0-RAMA10
RAMD0-RAMD15
17–20•16–12
•111•110
DA0
I
DA10
21–24•
27–32•20
A0
I
A10
116–123•6–2
•126–124
2•3•5•6•8•
9•11•12•39•
40•42•43•45
•46•48•49
DQ0
I
DQ15
92 LIMIT
64
I
57
17
I
24
20 SD OUT
87
PJ401(1/2)
114
DD0
I
DD15
SYSTEM CONTROL
IC801 (1/3)
D101
VIDEO OUT
(Page 16)
(Page 16)
16
16
CDX-V4800
CDX-V4800
3-2. BLOCK DIAGRAM — MAIN SECTION —
1 ANT
7 SE2L
AUDIO SELECT,
ELECTRONIC VOLUME
IC401
PJ601
(ANTENNA)
J901
AUX
TUX601
(TUNER UNIT)
POWER AMP/MULTI REGULATOR
IC100
SYSTEM CONTROL
IC801 (2/3)
CNP901
6
25
26
40
26
SE2R
SAOUT
SAIN
SAIN
R-CH
BATT
9 SELL
13 DIFFR
11 DIFFL
12 DIFFG
10 SE1R
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
45 VSM
SA_DATA
SA_CLK
AU+8V
TU+5V
U COM+3.3V
U COM+3.3V
15 TU_ATT
25 EEP_SCK
24 EEP_SIO
24 EEP_SIO
L
R
CD-L
R-CH
16
28
28
RL
RR
R-CH
20
17
17
OUTRF
OUTLF
R-CH
L
R
5
3
3
LF+
LF-
9
7
7
RF+
RF-
29
27
27
SW1
R-CH
SW2
BATT
30
37
37
REG1
35
VP
6
VP2
20
VP1
REG2
31
33
33
REG3
REG4
34
REG5
TU+5V
18
OUTRR
21
MUTE
2 SDA
AU+8V
U-COM+3.3V
SERVO+3.3V
MECHA+6V
MECHA+6V
DISP+B
4 SCL
SDA
SCL
16 ACGND
22 STB
25 DIAG
25 DIAG
AU+8V
15
7
10
12
11
16
1
9
2
4
3
5
6
22
23
23
SCL
SDA
SCL
SDA
SCL
SDA
SCL
SDA
33
IIC_SCK
34
IIC_SIO
6
VOL_ATT
1
LINE ATT
5
BEEP
31
STB
56
DIAG
53
BU_IN
67
PAK_BK
12 IN_RR
FL+
FL-
RL+
RL-
FR+
FR-
RR+
RR-
AMP-REM
ANT-REM
ACC
PAK_BK
11 IN_RF
19
OUTLR
MUTE
Q404
MUTE
Q407
MUTE
Q405
REAR
AUDIO OUT
MUTE CONTROL
Q400,401
58
UNI_SI
59
UNI_SO
64
ACC_IN
ACC DETECT
Q900
TU+5V REG
Q601
BATT
BATTERY
LEVEL
DETECT
Q902,906,907
D400
D702
F901
R-CH
L
R
FRONT
AUDIO OUT
PJ401(2/2)
D915
D912
CD
SECTION
A
MUTE
CD
SECTION
B
BATT
• Signal Path
• R-CH is omitted due to same as L-CH.
: CD PLAY
: FM
: AM
(Page 15)
(Page 15)
Click on the first or last page to see other CDX-V4800 service manuals if exist.