DOWNLOAD Sony TCM-900DV Service Manual ↓ Size: 2.17 MB | Pages: 32 in PDF or view online for FREE

Model
TCM-900DV
Pages
32
Size
2.17 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
tcm-900dv.pdf
Date

Sony TCM-900DV Service Manual ▷ View online

TCM-900DV
10
10
4-2. BLOCK DIAGRAMS – MAIN SECTION (2/2) –
S902
S903
S904
J102
S701
J801
S801
Q306
Q113
Q114
Q115
Q103
Q202
D803
PH701
X301
X701
S702
Q301
L801
D901
SP901
(F/R GEAR)
POWER
REEL ROTATE
DET
4MHz
4MHz
(FF/REW)
(SPEAKER)
DPC
AUTO
MANUAL
OFF
REC TIME
NORMAL
DOUBLE
OFF
ON
REC
OSC2
SCK
SO
CS
CD
LCD
DRIVER
COM1-4
SEG1-18
DISPLAY
LIQUID
CRYSTAL
(3.6V)
B+
OSC1
LIN
AOUT
XT
XT
BUSY
SK
SO
SI
CS
STBY
INV
OUT
IN2
PWR
OUT2
IN1
PWR
OUT1
+
+
REF.
+
-
-
+
POWER OUTA
POWER OUTB
POWER +INA
POWER -INA
POWER +INB
POWER -INB
POWER
AMPA
POWER
AMPB
ALC
ALC IN
REP RST
REP CS
REP BUSY
REC CTL
REP ON
F/R GEAR
SW
VOR IN
DPC SW
JACK DET
PHOTO IN
TAPE SPEED SW
KEY IN
SP SW
W
AKE UP
VOR SW
LCD/REP DATA OUT
REP SI
LCD REP SCLK
LCD CS
PIC ON/OFF
X1
X2
RESET
REP QUE/REV
MUTE CTL
DRY BATTERY
SIZE "AA"
2PCS, 3V
(IEC DESIGNATION R6)
DC IN 3V
+
RESET
LCD901
VOL
-
-
11 14
15 32
IC REPEAT
A/D
TIMING
OSC
MUC I/F
RAM
ADPCM
ANALIZER
SYNTHESIZER
D/A
AMP
Q302-305
REPEAT,
QUE/REV BEEP OSC
MUTE
Q307
POWER
(+3.6V)
7
5
MUTE
ATT
Q102
Q110
AMP
3
1
POWER AMP
FILTER
RIPPLE
REF
VCC
FILTER
RIPPLE
+B(BATT)
Q201
PRE AMP,
POWER AMP
EAR
SYSTEM
CONTROL
POWER
(3.6V)
KEY MATRIX
S905-911
+3.6V REG
+3.6V REG
DC-DC
CONVERTOR
+B
(BATT)
+B
+B
+B
+3.6V
POWER
(+3.6V)
(PIC)
(PWR)
+B SWITCH
Q801-802
ATT
Q501
AMP
Q502
LED DRIVE
Q503
VOR
AMP
REC
PIC
RV301-1
RV301-2
Q702
Q701
RESET
Q108
POWER
(3.6V)
EVR
+B
(+3.6V)
D801
• Signal path.
E
: PB
a
: REC
11
11
TCM-900DV
1
S101
S102
CN101
C102
T101
C101
C128
R128
Q401
R125
C104
C108
C111
R118
R108
R102
C113 C126
C127
R117
R119
R116
R121
R122
R708
R123
D101
D102
R301
R303
C303
C304
C306
C307
C305
C308
X301
C310
R422
C301
C302
R420
R318
R304
R107
C116
C110
C118
C122
C124
C120
C115
R142
R111
C129
C121
R114
R305
R306
R307
R308
R309
R310
R311
R312
R313
R314
C311
C312
C313
C314
R133
R131
R132
C142
C145
C112
R134
R135
C138
R109
C132
C140
R137
R138
R139
R136
R106
C131
C109
RV301
C136
R141
C134
S701
R717
R714
R315
Q302
C141
R110
R115
C309
R144
C137
Q305
Q304
C143
C144
R103
C125
C427
R316
C139
C123
R710
R130
C103
R120
Q107
R127
Q303
R317
R126
C114
R104
J102
Q101
Q104
Q103
Q106
Q105
Q112
Q114
Q115
Q113
Q102
Q307
R101
J101
C105
Q402
Q306
Q301
Q111
C133
C130
R124
R143
R140
C135
R105
C107
Q108
Q110
R302
C117
R112
C119
R113
Q109
0.01
2200p
4700p
3.3k
HN1K02FU
47
47
4V
0.047
0.22
330
4.7k
2.2k
0.01
47
4V
47
4V
330
10k
22k
10k
470k
470k
100k
MA8056
MA8056
100k
220k
47p
1
6.3V
10
6.3V
10
6.3V
0.1
0.1
4MHz
10
6.3V
680k
0.1
0.1
100k
220k
680k
1k
3300p
1000p
10
6.3V
47
4V
47
4V
0.033
22
4V
2.2k
10k
1
10
6.3V
680k
470k
4.7k
4.7k
470k
470k
4.7k
4.7k
470k
1M
100
1000p
1000p
0.22
0.22
680k
100
100
0.1
1000p
0.22
330k
100
10
6.3V
15k
1
1
100k
100k
100k
100k
100k
1
0.22
50k
470p
22k
0.1
680k
680k
680k
XP4501
0.1
330k
47k
0.1
680k
1
2SK1830
2SK1830
1
6.3V
1
10k
0.1
1
680k
1
6.3V
1
100k
100k
2200p
3.3k
2SK1830
100
XP4501
100k
47
1
3.3k
2SD596
SWITCH
2SK1830
ATT
2SK1830
SWITCH
2SK2009
BIAS
SWITCH
2SD596
BIAS
OSC
2SK1830
GAIN
SWITCH
2SK1830
SWITCH
2SK1830
SWITCH
2SK1830
SWITCH
2SK1830
MUTE
2SK1830
MUTE
3.3k
0.1
UN9110
UN9110
SWITCH
2SK1830
SWITCH
2SK1830
SWITCH
1
0.1
220k
47k
22k
470p
1k
0.15
UN9110
2SK1830
ATT
470k
0.1
4.7
0.01
22
UN9217
1 2
3
4
5
6
7 8
9
10
11
12 13 14
15 16
17 18
19 20 21 22 23
24 25 26
27
28
29
-
+
+
-
-
+
POWER OUTA
POWER GND
POWER OUTB
TC
PRE +IN
SGND
POWER +INA
POWER -INA
POW
ER +INB
POWER -INB
POWER AMPA
POWER
PRE AMP
AMPB
RIPPLE
FILT
ER
ALC
GND
VCC
A OUT
A -
A +
B OUT
B -
B +
IC103
NJU7015R
L
R
R
FWD
REV
RECORD/
FWD
REV
XC62FP1802R
VSS
VOUT
VIN
IC102
AGND
SG
LIN
LOUT
AMON
AOUT
AIN
AVDD
DGND
TEST
TEST
TEST
RESE
T
XT
XT
DVDD
MGND
TEST
TEST
TEST
TEST
TEST
TEST
TEST
TEST
TEST
BUSY
SK
SO
SI
CS
MVDD
PB
REC
FWD
1
5
9
IC301
MS87V1021
IC101
NJM-2128M
PRE OUT
PRE IN
VCC
ALC IN
RF OUT
RF I
N
REV
L
HRPE
901
HEAD
PLAY
BACK
/
ERAS
E
VOL
IC REPEAT
AMP
PRE  AMP,
POWER  AMP,
AGC
+1.8V  REG
AND
GATE
INVERTER
Q302-305
REPEAT,
QUE/REV BEEP OSC
MIC POWER
SWITCH
PB/ REC
INVERTER
-1
-2
-1
-2
-3
-4
-3
-4
-1
-2
MIC
(PLUG IN POWER)  
EAR
KEY IN
GND
GND
GND
DIR
4-3. SCHEMATIC DIAGRAM – MAIN SECTION (1/3) –
z
 Refer to page 8 for Notes.
    z
 Refer to page 8 for Waveforms.
  z
 Refer to page 20 for IC Block Diagrams.
12
12
TCM-900DV
3
CN901
Q607
PH701
R702
C202
C204
C209
C206
R204
R208
C212
C213
C201
C203
R201
R202
C210
C511
R503
C502
C503
C504
R506
R507
R508
R509
R510
C507
C508
C509
C510
R513
R514
R502
C501
C211
R501
R706
R711
R712
R716
R704
R705
C702
C703
X701
R616
R617
R623
R624
R625
R613
C609
C608
R805
R806
C701
R512
R707
FB101
R709
R610
R715
R609
D702
D701
D703
R703
R515
R505
C205
R206
RV601
RV602
RV603
R718
D705
D704
R719
R207
C506
R516 C505
R504
R511
R701
Q501
Q502
Q503
S702
R713
Q606
Q801
Q802
Q702
Q202
Q201
Q701
C208
C207
C214
R203
RV604
22P
UN9110
680k
1
10
6.3V
2.2
6.3V
100p
1k
2.2k
1
1
10
6.3V
0.22
220k
10k
2.2
6.3V
470p
22k
0.1
1000p
22
4V
100k
22k
1k
10k
470
0.1
0.1
0.01
1
10k
100
22k
0.1
47
6.3V
47k
47k
100k
100k
10k
100k
10k
0.01
1
4MHz
330
2.2k
1.5k
1k
2.2k
2.2k
1
1
6.3V
680k
10k
1
680k
470k
680k
47k
10k
10k
MA8056
MA8056
MA8056
220k
1k
3.3k
10
6.3V
1k
1k
1k
1k
680k
MA8056
MA8056
100k
2.2k
100p
100k 0.1
10k
100k
2.2k
UN9217
ATT
XP4501
AMP
XP4601
LED
DRIVE
(FF/REW)
680k
UN9110
2SB970
UN9217
2SJ347
UN9110
2SB970
XP4315
4700p
4700p
1
10k
1k
1 2 3
4
5
6
7 8 9
10
11
12 13
14 15 16 17 18
19 20 21
22
23
24 25 26
30
31
32
33
34
35
36
37
38
39
VDD
VSS
VDD
VSS
VDD
VSS
VDD
VSS
VSS
VOUT
VIN
IC605
VCC
OUT2
OUT1
RCV TIME
IN
GND
GAIN CTL
STBY
PWR
MUTE
INV
OUT
NFB
MUTE
OUT2
IN2
NF2
PWR
OUT2
GND
BIAS
PF
OUT
RFC
OUT
MUTE
OUT1
IN1
NF1
PWR
OUT1
VCC
BASE
VSS1
REP RST
REP CS
REP BUSY
REC CT
L
REP ON
F/R GEAR
AVREF AVDD
SW
FF/R
EW
VOR IN
DPC SW
POWER/BATT DET
JACK DET
PHOTO IN
TAPE SPEED SW
KEY IN
AVSS
REC IN
SP SW
WAKE UP
SPEED CTL
VOR SW
MOTOR CTL
LCD/REP DAT
A OUT
REP SI
LED CTL
LCD REP SCLK
VDD1
LCD CS
XIC0
PIC RST
PIC MC1
PIC ON/OFF
PIC CTL
VDD0
VSS0
X1
X2
RESET
XT1
XT2
IC701
GND
NC
OUT
IN
IC702
XC61CN3002NR
IC501
NJM2072M
IC602
TC4W66FU
IC603
IC604
IC606
TC4W66FU
TC4W66FU
TC4W66FU
IC201
BA6640F
XC62FP1802MR
REP QUE/REV
MUTE CT
L
AMP OUT
(1/3)
BOARD
MAIN
UPD789166GB-552
1
5
10
15
20
22
POWER AMP
SYSTEM
CONTROL
CONTROL
SPEED
CONTROL
SPEED
SPEED
CONTROL
SPEED
CONTROL
+1.8V REG
RESET
VOR
INVERTER
INVERTER
+B SWITCH
+B SWITCH
INVERTER
INVERTER
RIPPLE
FILTER
INVERTER
TAPE
SPEED
TAPE
SPEED
TAPE
SPEED
TAPE
SPEED
9.6cm/s
4.8cm/s
2.4cm/s
1.6cm/s
4-4. SCHEMATIC DIAGRAM – MAIN SECTION (2/3) –
z
 Refer to page 8 for Notes.
   z
 Refer to page 8 for Waveforms.
  z
 Refer to page 20 for IC Block Diagrams.
13
13
TCM-900DV
SL801
Q604
R611
R612
R614
C602
R601
C601
R602
C604
C605
C606
Q608
C610
R622
W601
M601
C806
C805
C807
D802
C803
R801
L801
100uH
L802
22uH
C802
D801
D803
R803
R804
C801
R605
C607
C603
L401
C402
C403
R408
R409
R423
C404
C405
C406
C408
C409
C410
R410
R411
R412
C411
C428
R415
C421
C412
C415
C417
C422
C420
D401
D402
C401
R402
R404
R401
R403
R405
R406
C407
R407
RV401
S801
L601
C419
C416
C413
R621
R416
R417
C414
C418
R413
R418
J801
X401
R604
R603
R608
R607
Q603
C426
TP44
R419
R414
C804
Q602
Q601
Q403
Q404
Q405
TH601
R606
C611
R802
UN9110
33k
22k
6.8k
0.47
470
1000p
1M
0.068
0.068
0.068
UN9214
10
6.3V
10k
10
6.3V
10
6.3V
1
MA8056
220
4V
470k
10
10V
MA2ZD14001S0
MA111
330k
470k
22
6.3V
33k
0.22
0.047
0.22
0.22
6.8k
1M
33k
100p
100p
0.1
470p
6800p
0.47
10k
10k
10k
3300p
1
680k
4.7
4V
0.1
0.1
0.015
33p
3300p
MA111
MA111
0.1
100k
100k
100k
100k
100k
100k
0.068
10k
47k
POWER
10
6.3V
0.1
0.1
680k
1k
1k
0.068
47
4V
100k
680k
768kHz
1M
1M
100
100
UN9114
1
22k
22k
1000p
2SB970
MOTOR
BRAK E
2SB970
MOTOR
BRAK E
UN9110
UN9217
XP1217
680
47k
47
6.3V
47k
30
31
32
33
34
35
36
37
38
39
27
28
29
FC GND
FC
RI
OUT
VSP
IN+
VREF
S/S
COM
OSC
WB
VCC
NC
UOUT
VOUT
WOUT
P-GND
VB
UB
GND
DRY BATTERY
SIZE "A A"
2PCS
,  3V
(IEC DESIGNATION R6)
DC IN 3V
CE
VIN
VSS
VOUT
VOUT
LX
VSS
CE
CE
VIN
VSS
VOUT
IC803
XC62GR3612MR
XC62GR3612MR
IC802
IC801
XC6371C401P R
VDDI
MIN
UP
DOWN
CHECK
VDD2
MUTE C
MUTE B
MUTE A
LPF20
LPF21
AVDD 2
AVDD 1
CV
AVSS2
AVSS1
CHA
A I
N
BUF OUT
BUF IN
A OUT
OSC1I
VSS
1
FIN
CP OUT
CP IN
CP REF
AVDD
3
DAOUT
KEY
XTLO
XTLI
VSS
2
RESE
TN
AVS
S4
LPF1I
LPF1O
AVDD
4
MOD0
MOD1
MOD2
MOD3
IC401
FHA012
IC601
LB1979VL
AVS
S3
FXIN
OSC1O
OSC2I
OSC2O
CANCE
L
INITIAL
SWITCH
Q603,608
DC-DC
CONVERTOR
+3.6V REG
+3.6V REG
CONTROL
SERVO
PITCH
CONTROL
DIGITAL
INV ERTER
INVERTER
NOR
GATE
INV ERTER
DPC
4
4-5. SCHEMATIC DIAGRAM – MAIN SECTION (3/3) –
z
 Refer to page 8 for Notes.
   z
 Refer to page 8 for Waveforms.
   z
 Refer to page 20 to 21 for IC Block Diagrams.
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