Sony CDX-V4800 Service Manual ▷ View online
17
17
CDX-V4800
CDX-V4800
3-3. BLOCK DIAGRAM — KEY SECTION —
3-4. CIRCUIT BOARDS LOCATION
KEY
ACKNOWLEDGE
SWITCH
Q800
X801
32.768kHz
79
80
82
83
38
28
29
27
39
47
75
77
KEY_IN0
CLK
CE
LCD_SO
LCD_SCK
LCD_CE
DIMMER
KEY_IN1
KEY_ACK
46 DST SEL
(XKEY ON)
72 DOOR_SW
RESET
2 IN
1
OUT
X1A
X0A
X0
X1
X800
18.432MHz
S802
RESET
S800
9K
10K
FREQUENCY
SELECTOR
63
64
62
1
LCD901
LIQUID
CRYSTAL
DISPLAY
LED932
LCD
BACK LIGHT
Q931
D801
5
I
50
•
54
I
51
|
S2
S47
COM1
COM4
|
CL
DI
CE
DISP+B
65
SIRCS
IR
LED945–953,957–960
LSW901–903,907,909,910,920
REMOTE CONTROL
SIGNAL RECEIVER
IC971
2 OUT
U COM+3.3V
LED941–944
(VOLUME ILLUMINATE)
(
)
KEY MATRIX
S904,906,908,911–919
LSW901–903,907,909,910,920
RE901(2/2)
21
22
RE0
RE1
ROTARY
ENCODER
RE901(1/2)
RESET
IC802
CN800
CN901
BACK-LIGHT
2
DIMMER
LED
DRIVER
Q932
DISPLAY CONTROL
IC901
SYSTEM CONTROL
IC801 (3/3)
MAIN board
AUX JACK board
KEY board
SENSOR board
SERVO board
SPEAKER board
tuner unit
(TUX601)
(TUX601)
18
18
CDX-V4800
CDX-V4800
• NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted. (p: pF)
• All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in Ω and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
• C : panel designation.
For printed wiring boards.
Note:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
a
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• A : B+ Line.
• Voltages and waveforms are dc with respect to ground
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• CD mechanism section (1/2), (2/2)
no mark : CD PLAY
• Main (1/3), (2/3), (3/3) and Key sections
no mark : FM
no mark : CD PLAY
• Main (1/3), (2/3), (3/3) and Key sections
no mark : FM
<
> : CD PLAY
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
: CD PLAY
F
: FM
f
: AM
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
Q
C
These are omitted
E
B
E
These are omitted
C
B
C
These are omitted
B
E
• Waveforms
— SERVO Board —
(MODE: CD PLAY)
— MAIN Board —
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
Replace only with part number specified.
1.8 Vp-p
1.5 Vp-p
16.9344 MHz
27 MHz
1
IC500 rd (XO)
2
IC500 ts (EQO)
3
IC100 yg (CLKIN)
0.8 V to
1.3 Vp-p
1.3 Vp-p
1.1 Vp-p
32.768 kHz
1
IC801 ul (X1A)
2
IC801 id (X1)
3.3 Vp-p
18.432 MHz
19
19
CDX-V4800
CDX-V4800
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
SW3
SW2
TP63
TP64
TP57
TP58
TP61
TP62
TP59
TP60
BP1
BP2
BP3
TP551
TP552
TP553
TP554
TP555
TP556
TP557
TP558
TP559
TP560
TP561
TP562
TP563
TP564
TP51
TP52
TP542
TP501
TP503
TP504
TP603
TP601
TP621
C704
C702
C701
TP622
BP4
FMB3
FMB4
FMB5
TP23
TP22
TP21
TP19
TP17
TP18
TP16
TP15
TP14
TP13
TP11
TP10
TP2
TP1
TP5
TP4
TP20
TP6
TP3
C703
TP56
TP53
TP55
FMB6
TP513
TP512
TP522
TP519
TP531
TP529
TP527
TP528
TP530
TP523
TP524
TP525
TP521
TP24
TP12
TP8
TP9
C101
X541
TP541
CN500
C505
C707
C544
RB109
C545
C503
C504
C542
C546
C502
RB108
C551
C541
C543
R165
R170
R172
R176
R551
R506
R546
R707
R604
R543
R501
R502
R545
R171
R173
R177
R602
R503
R504
R505
C506
R541
R600
R622
R701
R702
R703
R704
IC500
R625
R544
C400
C547
C548
C705
C103
C600
C531
R542
C706
C165
C160
CN1
IC700
FB501
C517
Q502
C501
C518
R547
C507
C512
R515
C516
R511
C405
C521
C515
R516
R514
R513
RB301
R512
R630
R104
R105
R628
R312
R311
R403
C513
C508
C514
C301
C302
C202
IC200
CN401
C511
D910
D906
C520
C510
C519
C509
R708
R631
FB503
FB502
R548
C540
L101
TP181
TP182
TP183
TP184
TP185
TP186
TP187
TP131
FMA3
FMA4
C623
C603
C159
C601
C621
TP188
TP189
RB101
RB102
RB103
RB104
RB105
RB106
RB107
RB110
RB111
C605
C163
RB113
C406
C407
RB112
C180
R508
R509
R163
R166
R168
R180
R404
R709
R601
R603
R621
R624
R167
R169
R175
R181
R507
C162
C112
R106
R107
R108
R161
R162
R109
R110
R111
SW1
R112
R113
R114
R627
R164
C102
C708
R632
D101
Q501
C709
C183
C182
C181
C164
C161
C132
R178
X401
C166
IC100
C111
IC600
R405
C304
C305
C312
C313
C402
C403
C404
R401
R402
R101
R102
R103
C410
R629
L401
C201
C131
C303
IC300
IC400
C401
C408
D907
D909
C133
FB504
R605
R606
R623
R626
1-689-230-
3-5. PRINTED WIRING BOARDS — CD MECHANISM SECTION —
• Refer to page 17 for Circuit Boards Location.
: Uses unleaded solder.
(Page 22)
D101
G-3
D906
B-11
D907
B-2
D909
B-1
D910
F-9
IC100
E-3
IC200
B-11
IC300
B-3
IC400
C-2
IC500
D-10
IC600
H-2
IC700
G-10
Q501
E-5
Q502
E-9
• Semiconductor
Location
Ref. No.
Location
20
20
CDX-V4800
CDX-V4800
3-6. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) —
• Refer to page 18 for Waveforms.
• Refer to page 28 for IC Block Diagrams.
• Refer to page 29 for IC Pin Descriptions of IC500.
• Refer to page 28 for IC Block Diagrams.
• Refer to page 29 for IC Pin Descriptions of IC500.
IC B/D
IC B/D
IC B/D
BP3
BP4
BP2
BP1
CN500
C505
C540
C605
C544
C545
C503
C504
C542
C541
R551
R546
R621
R624
R543
R545
R505
C506
R600
TP553
TP554
TP51
TP52
TP503
TP504
TP501
TP502
TP541
TP542
TP621
TP622
C705
C531
CN1
C518
C507
C512
C516
C521
TP513
C515
R516
R512
C513
TP512
TP511
C514
C511
C708
C510
R623
C519
R509
R508
R507
R506
C707
C502
R547
R542
R511
R513
R514
R515
R603
R604
R602
R601
FB501
R544
C543
C600
R627
C551
R708
C501
C508
M901
M902
M903
S901
SW3
SW2
SW1
Q501
IC500
C517
Q502
R625
C546
R709
C709
R707
C706
C509
C547
C548
X541
R541
R548
R632
D910
IC700
IC600
TP551
TP552
TP555
TP556
TP557
TP558
TP559
TP560
TP561
TP562
TP563
TP564
R622
R626
TP60
TP57
TP63
TP61
TP58
TP59
TP62
TP64
TP55
TP53
TP56
R606
R605
TP601
TP603
R501
R502
R503
R504
TP519
TP526
TP522
TP525
TP521
TP524
TP523
TP531
TP528
TP530
TP527
TP529
TP1
TP2
TP5
TP20
TP4
TP6
TP3
TP10
TP8
TP12
TP9
TP11
TP13
TP14
TP15
TP18
TP16
TP17
TP7
TP19
TP21
TP22
TP23
TP24
(Page 21)
(Page 25)
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