Sony TCS-100DV Service Manual ▷ View online
– 9 –
HOLDER (F) ASSY
BELT, MOTOR (M601)
8
head flexible board
(CN301)
(CN301)
9
Remove the holder (F) assy
in the direction of the arrow.
in the direction of the arrow.
1
two screws
(M1.4
(M1.4
×
1.4)
3
lever (B), lock
2
shaft
7
bracket (cassette) assy
5
lever (S), lock
4
screw (M1.4)
6
shaft
1
belt (F2)
3
motor, DC
(M601)
(M601)
2
screw
(M1.5)
(M1.5)
2
screw
(M1.5)
(M1.5)
• See page 4 for Rotation system.
– 10 –
PINCH LEVER (N)/(R) ASSY
MAGNETIC HEAD (H901)
1
claw
2
Remove the pinch lever (R) assy
in the dereciton of the arrow.
in the dereciton of the arrow.
4
Remove the pinch lever (N) assy
in the direction of the arrow.
in the direction of the arrow.
3
claw
1
two screws
(M1.4 x 7.2)
(M1.4 x 7.2)
2
Remove the magnetic head (H901)
in the direction of the arrow.
in the direction of the arrow.
– 11 –
PRECAUTION
1. Clean the following parts with a denatured-alcohol-moistened
swab:
playback/rec/erase head
pinch roller
rubber belts
capstan
idler
2. Demagnetize the playback head with a head demagnetizer.
(Do not bring the head demagnetizer close to the erase head.)
3. Do not use a magnetized screwdriver for the adjustments.
4. The adjustments should be performed with the rated power
4. The adjustments should be performed with the rated power
supply voltage (1.3 V) unless otherwise noted.
Torque Measurement
Mode
Torque Meter
Meter Reading
1.57-2.45 mN•m
FWD
(16 – 25 g•cm)
CQ-102C
(0.23 – 0.34 oz•inch)
FWD
0.05-0.14 mN•m
(0.5 – 1.5 g•cm)
Back Tension
(0.007 – 0.02 oz•inch)
1.57-2.45 mN•m
REV
(16 – 25 g•cm)
CQ-102RC
(0.23 – 0.34 oz•inch)
REV
0.05-0.14 mN•m
(0.5 – 1.5 g•cm)
Back Tension
(0.007 – 0.02 oz•inch)
more than 4.91 mN•m
FF, REW
CQ-201B
(more than 50 g•cm)
(more than 0.7 oz•inch)
SECTION 4
MECHANICAL ADJUSTMENT
SECTION 5
ELECTRICAL ADJUSTMENT
PRECAUTION
1. Specified voltage
: 1.3 V (DC)
2. Setting
SPEED CONTROL dial
: center click
0 dB=0.775 V
Test tape
Type
Signal
Used for
WS-48A
3 kHz, 0 dB
Tape Speed Adjustment
Tape Speed Adjustment
Setting:
Procedure:
– Normal –
1. Set the
– Normal –
1. Set the
[REC TIME]
switch (S1) to
[NORMAL]
position.
2. Playback WS-48A (tape center) in the FWD state.
3. Adjust RV602 so that the frequency counter reading becomes
3. Adjust RV602 so that the frequency counter reading becomes
3,000 Hz.
Specified Value: 2,970 to 3,030 Hz
4. Check that deflection of the frequency counter reading between
the beginning and the end of tape is within 1.5% (approx. 45
Hz).
Hz).
– Double (1/2 SPEED) –
1. Set the
1. Set the
[REC TIME]
switch (S1) to
[DOUBLE]
position.
2. Playback WS-48A (tape center) in the FWD state.
3. Adjust RV603 so that the frequency counter reading becomes
3. Adjust RV603 so that the frequency counter reading becomes
1,500 Hz.
Specified Value: 1,485 to 1,515 Hz
Adjustment Location:
frequency counter
test tape
WS-48A
(3 kHz, 0 dB)
WS-48A
(3 kHz, 0 dB)
set
i
jack (J301)
–
+
32
Ω
– MAIN BOARD (Conductor Side) –
RV603 Tape Speed (Double) Adjustment
RV602 Tape Speed (Normal) Adjustment
J301
TCS-100DV
– 13 –
– 14 –
– 15 –
– 16 –
6-1.
BLOCK DIAGRAM – AUDIO Section –
SECTION 6
DIAGRAMS
6-2.
BLOCK DIAGRAM – MAIN Section –
1
5
7
8
46
44
H901
(REC/PB/ERASE)
FWD
REV
L-CH
R-CH
R-CH
ERASE
L-CH
R-CH
R-CH
ERASE
PB AMP
(PREAMP)
IC301 (1/3)
RV301
FWD
IN-L
IN-L
REV
IN-L
IN-L
R-CH
F/R
SW
SW
M/N
SW
PREAMP
REC BIAS OSC
Q309
METAL
CONTROL
EQ
PRE
OUT-L
MTL
DRV-L
S703-2
(ATS)
T301
REC BIAS OSC
FR CTL
CUE/REV
V-UP CTL
5
6
+
–
–
7
28
3
32
21
20
41
39
3
4
+
–
–
1
33
32
35
20
10
21
9
6
ATTENUATOR
Q303
BUFFER
Q319-2
SPEAKER AMP
IC303, Q321, 322
POWER
AMP
POWER
AMP
BUFFER
Q319-1
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
DIRECTION CONTROL
Q312, 315, 332
VOICE MIRROR
Q330
LED OFF
Q318
VOR DETECTOR
IC306
AGC
Q325
DIRECTION CONTROL
Q310, 311, 331
REC BIAS
CONTROL
Q333
FWD ERASE
SWITCH
Q306-2
REV ERASE
SWITCH
Q306-1
VOICE
MIRROR
Q329
REV REC
SWITCH
Q304
FWD REC
SWITCH
Q305
MIC
MONITOR
AMP
SOUND DIRECT
SWITCH
Q313
VOICE-UP
SWITCH
Q320
HEADPHONES
DETECT
Q326
BIAS B+
VOICE-UP AMP
IC304 (1/2)
VOICE-UP AMP
IC304 (2/2)
V-UP B+
SPEED CTL
S302
MIC SENS
J302
MIC
VOR
S301
FR CTL
+
+
BEEP
VREF
PW
IN-L
PW
OUT-L
PB AMP
(POWER AMP)
IC301 (2/3)
REF
OUT
PW
IN-C
PW
OUT-C
BEEP
BEEP
MT SW
MUTE CTL
HP DET
SP301
(SPEAKER)
J301
B
i
REMO
GND
GND
REMO
(Page 16)
C
V-UP CTL
(Page 16)
D
SPEED CTL
(Page 15)
BIAS B+
LED
(Page 16)
46
28
41
27
44
15
16
23
13
17
18
19
11
12
REC AMP
REC AMP
MIC AMP
CONTROL
REC AMP
(REC/MIC/MONITOR AMP)
IC302 (1/2)
FWD
REC L
REV
REC L
CONT D
CONT C
REC IN L
REC/
PLAY
REC
MUTE
FWD/RVS
MONITOR L
MIC
OUT L
MIC
IN L
IN L
+
R-CH
R-CH
X701
4MHz
A
Q308
•
SIGNAL PATH
: PB
: REC
: MIC
05
R-CH : Same as L-CH.
5
8
31
27 29 26
33
14
47
20
24
23
52
19
40
36
35
48
X0
X1
LED OFF
REC CTL
FR CTL (REC)
REC MUTE
VOR IN
CUE/REVIEW
BEEP
MUTE CTL
HP DET
FR CTL (PLAY)
SPEED CTL
VOICE-UP CTL
CUE/REV
BEEP
MUTE CTL
HP DET
FR CTL
SPEED CTL
V-UP CTL
SYSTEM CONTROLLER
IC701 (1/2)
MIC SENSITIVITY
CONTROL
Q302
MIC SELECT
SWITCH
Q301
AMP CTL
B+
L
H
R-CH
R-CH
MIC
AMP
H. P. F
PREAMP
L
PREAMP
MIC
AMP
MIX
AMP
MIX
AMP
H. P. F
OUT
HPF
IN L
IN L
HPF
IN R
MIX AMP
OUT L
MIX AMP
OUT R
MIC AMP
IC305
MIX BUFF
IN L
INT AMP
OUT L
INT AMP
OUT R
MIX BUFF
IN R
INT
IN L
INT
IN R
24
MIC101
R
MIC201
VOR SW
F TUME
R TUME
TAPE SW
AMP CTL B+
ON
OFF
REC PROTECT
DETECT (FWD)
S703-1
REC PROTECT
DETECT (REV)
DETECT (REV)
S702-1
S702-2
(TAPE DETECT)
VOL
46
27
26
1
28
30
3
4
7
8
25
9
10
17
15
13
42
43
51
16
34
15
54
55
61
60
53
41
50
37
18
22
30
2
63
REWIND
SWITCH
Q604-2
MOTOR ON
SWITCH
Q604-1
BATT B+
BATT B+
MOTOR RESTART
SWITCH
Q605
CAPSTAN/REEL
MOTOR DRIVE
IC601
START-UP
CONTROL
SERVO, AMP
CIRCUIT
TIMING
CONTROL
SOFT
SWITCHING
DRIVE
MOTOR
DRIVE
CIRCUIT
DIRECTION
CONTROL
OSC
CIRCUIT
REFERENCE
VOLTAGE
GENERATOR
INVERSE
VOLTAGE
DETECT
BRAKE
SIGNAL
DETECT
DETECT
START
U
V
W
UIN
VIN
WIN
BUF-IN
BUF-OUT
REV
CSTART
IV-OUT
IV-IN
SAW
VREF
W
V
U
M601
(CAPSTAN/REEL)
(Page 14)
MOTOR BRAKE
SWITCH
Q609, 610
REC TIME MODE
CONTROL SWITCH
Q607
REC TIME MODE
CONTROL
Q608
SPEED CONTROL
ON/OFF SWITCH
Q602, 603-2
PHOTO REFLECTOR
SWITCH & BUFFER
SWITCH & BUFFER
Q701
REC TIME MODE
CONTROL (NORMAL)
Q601-1
REC TIME MODE
CONTROL (DOUBLE)
Q601-2, 603-1
Q606
D
SPEED CTL
TAPE SPEED
(NORMAL)
RV602
TAPE SPEED
(DOUBLE)
PLUNGER DRIVE
Q702, 703
RV603
THP601
THP602
ROTATION DETECT
SENSOR
PH701
05
DDC B+
AMP CTL B+
PM701
(PLUNGER)
MOTOR DIR
RESTART
MOTOR CTL
SD
SCK
KEY IN 1
KEY IN 2
CS
SPEED SW
WAKE UP
HOLD SW
SPEAKER CTL
AMP CTL
REC CTL2
RST
BATT DET
SPCON OFF
PM CTL
PHOTO IN
62 MD SW
MOTOR BRK
SYSTEM CONTROLLER
IC701 (2/2)
BATT B+
WAKE UP DETECT
Q704
KEY IN DETECT
Q705
LIQUID CRYSTAL
DISPLAY
AMP CTL B+
KEY BOARD UNIT
LCD DRIVER
IC1
SD
SCK
CS
CS
SEG1
ı
SEG14
OFF
ON
STOP
x
S1
REC TIME
DOUBLE
NORMAL
S2
D1
REC
(Page 13)
REC
S6
COUNTER RESET
S8
+ –
–
S9
S10
EASY SEARCH
HOLD
S704
RV601
SPEED CONTROL
S2-10
PAUSE
X
S7
PLAY/DIR
Y
S3
FF/CUE
M
S4
REW/REVIEW
m
S5
–
A
(Page 14)
C
(Page 14)
B
LED
REMO
BATT B+
SPEAKER ON
B+ SWITCH
Q323, 324
REC BIAS
REGULATOR
Q307
RESET SIGNAL
GENERATOR
IC703
VOICE-UP
B+ SWITCH
Q327
REC ON
B+ SWITCH
Q317
SP B+
18
7
5
8
45
3
17
42
45
19
RIPPLE FILTER
Q316
B+ SWITCH
Q328
B+ SWITCH
Q314
DC/DC CONVERTER
IC702
REC BIAS
REGULATOR
MIC
REGULATOR
RIPPLE FILTER
BASE
BASE
VCC1
VCC2
VCC2
BIAS B+
MIC B+
BIAS REG
MIC REG
REC AMP
(REC BIAS/MIC REGULATOR)
IC302 (2/2)
AMP CTL B+
RF OUT
VCC
PB AMP
(RIPPLE FILTER)
IC301 (3/3)
PW SW
PRE SW
VOR B+
MIC AMP B+
DDC B+
V-UP B+
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION R03)
2PCS. 1.5V
V-UP CTL
–
+
J701
DC IN 1.5V
AMP CTL
B+
S701
(DIRECTION)
FWD
STOP
REV
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