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D-T101/T401/T405
TUNER SECTION
[AM]
BAND switch : AM
[FM]
BAND switch : FM
•
Repeat the procedures in each adjustment several times, and
the frequency coverage and tracking adjustment should be finally
done by the trimmer capacitors.
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L7
702kHz (700kHz)
CT3
1,404kHz (1,400kHz)
( ) : U, CA model
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L2
87.5MHz (76MHz)
CT2
108MHz
AM VOLTAGE ADJUSTMENT
1.6V±0.1V
T4
531kHz (530kHz)
( ) : U, CA model
FM VOLTAGE ADJUSTMENT
3.0V±0.1V (1.0V±0.1V)
L3
87.5MHz (76MHz)
( ) : U, CA model
FM VCO Adjustment
Procedure :
1. Connect the frequency counter to the positions shown below.
2. Turn the set to 108MHz.
3. Adjust RV1 for 19kHz±200Hz reading on the frequency counter.
Adjustment Part Location:
[TUNER BOARD]
– SIDE A –
L3:FM Voltage
Adjustment
RV1:FM VCO
Adjustment
L2 : FM Tracking
CT2: Adjustment
CT3: AM Tracking
L7 : Adjustment
T4:AM Voltage
Adjustment
TP8
TP2
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM — CD SECTION —
– 15 –
– 16 –
– 17 –
– 18 –
E
F
A
B
C
D
28
25
27
26
1
2
6
7
LASER
DIODE
DETECTOR
OPTICAL PICK-UP BLOCK
(DAX-11C)
A
C
D
B
E
F
LD
POWER
LD
PD
LD
A
C,D
B
E
6
14
3
28
30
25
27
33
32
22
23
M
M
FOCUS
COIL
TRACKING
COIL
SLED
MOTOR
M901
SPINDLE
MOTOR
M902
FCS+
FCS-
TRK+
TRK-
SLED+
SLED-
CLV+
CLV-
MOTOR DRIVER
16
VCC
VC
F
5
TRACKING
BALANCE
RV501
17
23
22
IC501
RF AMP
15
16
4
RFI
RFO EFM
MIRR
ASY
PD
FOCUS
GAIN ADJ
RV503
TRACKING
GAIN ADJ
RV502
13
10
FEO
14
12
11
4
DEFECT
FOK
FON
CAGC
9
TEO
DFR
Q504
IC506
3
ESP SWITCH
Q515-517
Q519
Q513,514
IC505
1
4
POWER
CONTROL
AUTO MATIC
Q420,421
T402
3
4
1
3
4
2
4
IC404
IC405
IC408
Q422
35
IC504
FM ANT
17
11
9
1A
1B
3B
3A
2A
2B
4A
4B
FED
TAD
SLD
CLV
CLK
LIM
LIMIT SW
S901
BUFFER
Q502,503
DRIVER
Q518
LASER
Q507
IC502
DSP / SERVO
3
34
2
33
12
15
13
16
76
39
21
22
24
30
38
FE DRV
TE DRV
SL DRV
CLVOPO
SCOR
45
BUSY
43
SUBQ
80
COMPC
44
RW
41
SQCK
42
CDATA
FEI
TEI
GFS
SBSO
FON
XFOK
DEFECT
ASY
MIRR
EFM
69
70
68
74
36
66
23
DATA
BCLK
LRCK
XIN
RFCK
C2PO
SL IN
73
XRST
Q510
SHOCK MUTE
Q601
ESP ON
D601
11
IC601
RAM CONTROLLER
13
12
9
18
20
17
6
22
24
26
25
21
7
16
14
15
41
.
43
40
36
35
33
34
28
27
30
31
.
32
29
.
.
13
1
.
2
24
.
.
9
.
12
14
18
DATA
BCKI
CRCI
CKO
RFCK
XRST
XRFO
C176
XSOE
XLT
SCK
SDTI
SDTO
CHDT
DATA
BCKO
LRCK
A0
A8
A9
XWE
XRAS
XCAS
XOE
D0
D3
3
4
23
22
A0
A8
D0
D3
9
4
IC602
D RAM
4
A9
WE
RAS
CAS
OE
SCK
SDTI
SDTO
Signal path
: FM
: CD
:DIGITAL OUT
4
22
23
24
20
19
15
16
18
9
5
11
13
DATA
BCLK
LRCK
SDATA
SHCK
DACLT
IC301
DAC / LPF
X301
16.9MHz
XTLI XTLO
L OUT
R OUT
LRSL
CKO
R-CH
IC101
SWITCH
4
2
1
SWITCH
Q308
IC102
SWITCH
4
2
1
VDD
V IN
MUTE
Q101
SWITCH
Q501
SLD
SWITCH
Q302
MUTE
BB SWITCH
Q306
D301
LP SWITCH
Q305
ALV SWITCH
Q304
VOLUME
RV301
13
11
8
9
6
19
IC302
HP AMP
2
L IN
MUTE
BB SW
LP
AVC IN
BEEP
L OUT
R OUT
R-CH
MUTE
Q602
DIGITAL
OUT
OPTICAL
R-CH
J301
PHONES
J302
R-CH
REMOTE
CONTROL
VDD
D304
S301
VDD
ALVS
NORMAL
S804
HOLD
OFF
ON
S803
RESUME
LIMIT
OFF
ON
CN801
T BEEP
XAVLS
MB 1
TA MUTE
AUDIO L
CDSLP
XHOLD
RMDAT
RMKEY
KEY
V IN
DC IN
VDD
XTPCON
MB 2
SWITCH
Q801
VDD
D804
D803
Q413
XLMT
2
SLDON
8
ESPO
42
FOK
45
SCOR
43
BUSY
23
SUBQ
62
COMPC
26
RW
6
SQCK
24
CDATA
40
SDTI
39
SDTO
30
XRST
10
C2POEN
21
22
OSC 1
OSC 2
X801
38
XSOE
37
XLT
41
SCK
9
DACLT
46
CDSLP
28
A MUTE
44
BEEP
6
OP MUTE
31
XHOLD
34
XRSM
54
ESPSL
12
RMDAT
56
RMKEY
WP 36
KEY 55
P CON 27
LID OPEN
DETECT SW
S801
33
OPEN
32
XRCHG
Q802
RECHG BATT
DETECT SW
S802
25
Q803
SDTI
SDTO
SCK
DC IN
RESET 20
CHGON 11
CHG MNT 59
VDD 1
VDD 47
VCC MNT 61
BAT MNT 58
DC IN MNT 57
VDD
VCC
V IN
DC IN
CD SYSTEM
CONTROL
IC801
RECTIFIER
Q401
DVDD
AVDD
VCC
DC/DC
CONVERTER
T401
4
1
2
5
1
7
3
2
CD
REG
IC409
IC401
Q402
RV401
SWITCHING
Q412,415
B+ SWITCH
Q309
4
RESET
B+ SWITCH
Q301,307
SWITCH
Q414
B+ SWITCH
Q303
5
3
8
6
2
VOUT
VDOUT
CE
VDIN
LX
VDD
IC406
4
2
OSC
IC407
CURRENT
PROTECT
&
SWITCH
Q409,410
REG
Q403,404
5
7
6
8
IC403(1/2)
ERROR AMP
D414
D401
SWITCH
Q407
SWITCH
Q405,406
SWITCH
Q408
D405
3
2
1
IC403(2/2)
V IN
VDD
D403
D404
ALKALINE BATT
LR6 x 2
RECHG BATT PACK
BP-DM10/DM20
BATTERY CASE
LR6 x 2
DC IN 4.5V
J401
V IN
DC IN
VDD
B+
IC407,408
IC404,405
IC302 B+
D407
D411
D307
D308
D305
D302
IC101,102 B+
AMP
R-CH
TO
MAIN BLOCK
Содержание Discam D-T101
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