Sony CDX-DAB6650 Service Manual ▷ View online
17
17
CDX-DAB6650
CDX-DAB6650
3-1. BLOCK DIAGRAM — CD SECTION —
(Page 18)
SECTION 3
DIAGRAMS
(Page 19)
79
RFO
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC2
87
RFEQO
3
RFRP
6
TEI
85
RFI
86
RFRPI
1 RFZI
7 TEZI
9 F0O
PD1
PD2
E
F
I-V AMP
PD
LD
DETECTOR
77
AGCI
78
RFDCI
94
96
95
97
99
98
TNI
FPI1
FNI1
FPI2
FNI2
TPI
91 LDO
92
MDI
(FOCUS)
(TRACKING)
2-AXIS DEVICE
OPTICAL
PICK-UP BLOCK
(KSS1000E)
• Signal Path
: CD PLAY
LASER DIODE
M
M
M
18
17
VO3–
VO3+
14
13
VO1+
VO1–
12
11 VO2–
VO2+
10
9
VOL+
VOL–
FWD
REV
1
28
OPIN4– 26
OPOUT4 25
10 TRO
OPIN3– 23
46 IO0(/HSO)
OPOUT3 22
12 FMO
OPOUT1 4
13 DMO
OPOUT2 7
47 IO1(/UHSO)
MUTE 21
16
15
VO4–
VO4+
M903
(LOADING)
M901
(SPINDLE)
M902
(SLED)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
MOTOR DRIVE
IC1
56
MUTE
53
REQ
43
STBY
18
ZDET
42
/RST
41
/CCE
40
BUCK
39
BUS3
CD-L
MAIN
SECTION
A
30
LO
27
RO
R-CH
27 DEC SSTBY
15 CD ZDET
15 CD ZDET
14 CD XRST
13 CD XCCE
53 MEC_SELFSW
45 MEC_INSW
42 MEC_LIMIT
12 CD BUCK
11 CD BUS3
38
BUS2
10 CD BUS2
37
BUS1
8
CD BUS1
36
BUS0
7
CD BUS0
14
SBSY
52 CD SBSY
81 X1
80 X0
MEC LOAD
43
MEC EJECT
44
CD
SYSTEM CONTROL
IC3
+1.5V REG
IC6
SYSTEM CONTROL
IC501 (1/3)
37 DEC XMUTE
30 DEC INT
SW2
(SELF)
46 MEC_DSW
SW1
(DOWN)
SW3
(DISC IN)
SW4
(LIMIT)
56
UNISI
25
RXD
57
UNISO
58
UNICKI
50
BUS ON
51
BU IN
75
RSTX
67
MECON CHK
1
1.5V ON
63
MECON
64
CDON
66
ZMUTE
60
A ATT
26
TXD
PD1
E
F
LD
MON OUT
FCS+
FCS–
TRK+
TRK–
PD2
AUTOMATIC
POWER
CONTROL
Q1
+1.5V ON/OFF
SWITCH
Q2,3
• R-ch is omitted due to same as L-ch.
24
23
X2
16.934MHz
X1
12MHz
XI
XO
DISPLAY
SECTION
SECTION
C
MAIN
SECTION
B
UNI SI
UNI SO
ATT
59
LINK OFF
LINK ON/OFF
UNI CLK
BUS ON
B/U CHECK
SYS RST
CD ON
VOUT
95
CDM ON
94
Z MUTE
MECHA+6V
93
61
EJECT OK
EJECT OK
92
68
CDON CHK
1
5
VDD
3
CE
SERVO+3.3V
+1.5V
+1.5V
U COM+3.3V
(Page 18)
18
18
CDX-DAB6650
CDX-DAB6650
3-2. BLOCK DIAGRAM — MAIN SECTION —
(Page 17)
(Page 17)
DAB+3.3V
REG
IC132
OUT
OUT
STBY
ELECTRONIC VOLUME
IC401
ANT1
(ANTENNA)
TU101
(DAB TUNER)
I2C BUS CONTROLLED POWER AMP/
MULTIPLE VOLTAGE REGULATOR
IC750
SYSTEM CONTROL
IC501 (2/3)
CN601
10 DAB-RCH
R-CH (FRONT)
R-CH (REAR)
R-CH (REAR)
BATT
9 CD LCH
5 BUS LCH
3 BUS RCH
8 CD RCH
R-CH
1
13
DAMCLK
14
DACLK
15
DADAT
5
PD
10
ROUT
11
LOUT
2
RAW5VRF
60 DAC PD
16
DALR
1 MCLK
2 BICK
3 SDTI
3 SDTI
4 LRCK
44 DAB I2C CNT
62 PH CHK
BATT
61 PH CNT
PH CHK
PH CNT
72 DAB ON
71 DAB INTERRUPT
71 DAB INTERRUPT
3
2
1
5
3
1
RAW3V3
20
INTERRUPT
RDS
QUALITY
MUTE CONDITION
E2P SDA
E2P SCL
TU MUTE
S-METER
E2P VDD
VDD 5V
TU-SDA
VCC
TU-SCL
37 VSM
4
46
TU ATT
E2P CK
45 E2P SI
51 TU ATT INK
36 QUALITY
5 NS MASK
DAVIN
PHANTOM12
TU1
(TUNER UNIT)
4
L-CH
3
R-CH
CD-L
R-CH
R-CH
R-CH
17
18
18
OUT SUB L
OUT SUB R
R-CH
L
R
5
3
3
OUT FL+
OUT FL–
9
7
7
OUT RL+
OUT RL–
29
27
27
AMP-REM
R-CH
ANT-REM
BATT
30
37
37
AUDIO8.3V
B.UP+B
31
33
33
SERVO3.3V
MECHA6V
34
PANEL+B
TU+5V
BATT
25
24
24
OUT FR
OUT RR
29
MUTE
AUDIO+8.3V
BU+3.3V
SERVO+3.3V
MECHA+6V
MECHA+6V
PANEL+B
2 SDA
4 SCL
SDA
SCL
16 BEEP
22 STB
25 DIAG
AUDIO+8.3V
35 VP
20 VP1
6 VP2
15
7
10
12
11
16
1
9
2
4
3
5
6
30
31
31
SCL
SDA
R-CH
R-CH
SCL
SDA
SCL
SDA
PH CNT
BATT
R-CH
PH CHK
SCL
SDA
31
I2C SCK
32
I2C SIO
67
VOL ATT
64
ATT
6
BEEP
66
STB(AMP)
65
DIAG
1
ILL
100
ATT
54
TEST IN
12 IN FL
FL+
FL–
RL+
RL–
FR+
FR–
RR+
RR–
AMP-REM
ANT-REM
ACC
TEST
ILL
23
OUT FL
11 IN RL
22
OUT RL
MUTE
Q431
MUTE
Q481
AUDIO OUT
REAR
J330 (2/3)
MUTE DRIVE
Q491,492
RDS DEMODULATOR
IC51
97
98
ACC IN
TEL ATT
TU+5V REG
Q2
VC+3.3V
PANEL+B
+3.3V
REG
IC971
MUTE
Q451
13
TEL-MUTE
D492
FU601
D503
D102
CD
SECTION
A
CD
SECTION
B
11
12
9
10
16
1
7
XTI
SCL
SCL
BU+3.3V
SDA
SDA
INTN
XTO
MPXVDDA VDDD
TELEPHONE
ATTENUATION
Q651
ACCESSORY
CHECK
Q631
ILLUMINATION
CHECK
Q641
SCL
SDA
RDS POWER
CONTROL
Q51,52
9
15
X51
8.664MHz
R-CH
L
R
AUDIO OUT
FRONT
J330 (1/3)
L
R
AUX
IN
J330 (3/3)
7 TU LCH
6 TU RCH
11 DAB-LCH
8
SCL
10
SDA
7
OE1
DAB+3.3V
3
OE2
6 B2
2 B1
1
A1
5
A2
14
3
2
PHANTOM
POWER
CONTROL
IC102
D/A CONVERTER
IC3
EEPROM
IC101
PHANTOM
POWER
CHECK
Q101
5
4
3
13
AUDIO+8.3V
R-CH
10
TU+5V
11
16
17
BU+3.3V
15
6
8
5
7
14
NOISE MASK
CONTROL
Q1
DAB+6V
1 ANT
DAB+6V REG
IC131
• Signal Path
• R-CH is omitted due to same as L-CH.
: CD PLAY
: FM
: MW/LW
: DAB
: AUX
19
19
CDX-DAB6650
CDX-DAB6650
3-3. BLOCK DIAGRAM — DISPLAY SECTION —
(Page 17)
X502
32.678kHz
77
78
80
81
39
57
58
56
38
50
75
SYSTEM CONTROL
IC501 (3/3)
LCD DRIVER
IC901
KEY0
CE
LCD DA
LCD CLK
LCD CE
KEY1
KEYACK1
41 RC IN
55 KEYACK2
52 BU IN
18 UNI SCK
16 UNI SI
17 UNI SO
91 BUS ON
96 SYS RST
RESET
2
1
XIN
XOUT
OSC OUT
OSC IN
X501
3.68MHz
S621
RESET
99
100
98
COM1
COM8
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
D301
88
|
81
1
|
80
|
SEG1
SEG80
|
CLOCK
DATA
CE
63
SIRCS
30
SYNCHRO SW
2
DIMMER
IR
LED902,914–918
LSW903–913,918–921
Q925
LED
CONTROL
LED931,932
PANEL+B
REMOTE
CONTROL
SIGNAL
RECEIVER
IC972
PANEL+B
LED961
LSW901
S961
OPEN/CLOSE
2 OUT
BU+3.3V
(
)
KEY MATRIX
RESET
IC621
LSW901,903–913,918–921
S902,914–918
VDD VOUT
LCD BACK
LIGHT
CD
SECTION
C
B/U CHECK
UNI CLK
UNI SI
UNI SO
BUS ON
SYS RST
J561
(REMOTE IN)
99 RCIN1
BATTERY
CHECK
Q580–582
BATT
D582
3-4. CIRCUIT BOARDS LOCATION
MAIN board
PRESET board
KEY BASE board
KEY DISPLAY board
SENSOR board
SERVO board
tuner unit
(TU1)
(TU1)
tuner unit
(TU101)
(TU101)
20
20
CDX-DAB6650
CDX-DAB6650
• NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
• WAVEFORMS
— MAIN BOARD —
— SERVO BOARD —
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.
•
a
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
• 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), Key Base and Key Display
no mark : CD PLAY
• Main (1/3), (2/3), (3/3), Key Base and Key Display
sections
no mark : FM
(
) : MW/LW
<
> : CD PLAY
[
] : DAB
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
: CD PLAY
F
: FM
f
: MW/LW
L
: AUX
c
: DAB
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)
(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
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
1
IC2
4
(FEI)
Approx.
1Vp-p
1Vp-p
0 V
0.6 Vp-p
16.9344 MHz
Approx. 100 mVp-p
50 mV/DIV, 5 msec/DIV
0.5 V/DIV, 0.5
µ
sec/DIV
2
IC2
6
(TEI)
200 mV/DIV, 5 msec/DIV
6
IC2
oh
(FPI2),
0.5 V/DIV, 0.5
µ
sec/DIV
Approx. 400 mVp-p
3
IC2
wd
(XI)
0.2 V/DIV, 0.2
µ
sec/DIV
7
IC3
ia
(X1)
0.5 V/DIV, 0.2
µ
sec/DIV
1.1 Vp-p
12 MHz
4
IC2
uj
(RFI)
0.5 V/DIV, 0.5
µ
sec/DIV
5
IC2
of
(FNI2),
og
(FNI1)
1.5 Vp-p
oj
(FPI1)
1.5 Vp-p
0 V
1
IC51
9
(XTI)
0.5 V/DIV, 0.1
µ
sec/DIV
2
IC501
uk
(XOUT)
0.5 V/DIV, 20
µ
sec/DIV
32.768 kHz
3
IC501
i;
(OSCOUT)
1 V/DIV, 0.1
µ
sec/DIV
1.6 Vp-p
3.68 MHz
2.4 Vp-p
8.664 MHz
1.1 Vp-p
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