Sony TCS-60DV Service Manual ▷ View online
TCS-60DV
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— 10 —
5-1. BLOCK DIAGRAM
+
–
MIC901
MIC902
<>
<>
IN-4
IN-6
+
L
R
STEREO
Flat Mic
24
6
+
–
+
–
9
8
8
21
23
10
20
+
–
–
+
–
–
13
17
J301
MIC
(PLUG IN POWER)
IC301
MIC AMP
2
MIC
GCA
AMP
LINE
8
9
10
3
PB
REC
17
23
+
–
MIC
GCA
AMP
LINE
15
22
PB
16
REC
L CH
R CH
L CH
R CH
FWD
REV
S303(1/4)
FWD
REV
S303(2/4)
FWD
REV
1
REF
S302(2/4)
BIAS
OSC
Q301
REC B+
S601(1/2)
REC TIME
NORMAL
HIGH
HIGH
RV301(1/2)
RV301(2/2)
VOL
VOL
7
+
–
+
–
8
5
6
1
3
IC101
SPEAKER AMP
7
+
–
+
–
8
5
6
1
3
IC201
SPEAKER AMP
IC305
REC/PLAY
PRE AMP
1
16
IN (L)
IN (R)
SP901
(SPEAKER L)
SP902
(SPEAKER R)
7
10
OUT (L)
OUT (R)
J303
SPEAKER AMP B+
(FOR IC101,201)
B+
REC B+
REGULATOR
IC303
Vcc
7
S302(1/4)
12 BASE
Vcc
14
RIPPLE
FILTER
S302(3/4)
13
PB/
REC
Q302
5
MUTE
MUTE
Q303
MUTE
SWITCH
MUTE
SWITCH
Q307
Q308
HEADPHONE AMP
IC304
REC B+
S303(3/4)
FWD
REV
ERASE
(FWD)
ERASE
(REV)
S501
V O R
DIR
DIR
DIR
REC/PLAY
REC
PLAY
PLAY
REC
REC
PLAY
D502
REC
POWER
LED
SWITCH
Q504
Q505
VOICE
MIRROR
Q502,503
D501
LED
SWITCH
Q703
18
17
OUT-4
OUT-5
D503
LED
SWITCH
IC502
B+
5
1 IN
RCV TIME
7
OUT 1
4 IN-1
SWITCH
Q501
HIGH
LOW
OFF
6 OUT 2
IC501
SWITCH Q701
B+
S701
20
21
OUT-2
OUT-1
MOTOR
CONTROL
Q704
19
11
WAVE FORM
DETECT
LOGIC
REF.VOLTAGE
CURRENT
DETECT
PRE DRIVER
20
1
2
U
V
W
B+
M601
(CAPSTAN/REEL MOTOR)
12
RV602
S601(2/2)
NORMAL
RV603
13
IC601
MOTOR SERVO
RV601
SPEED
CONTROL
11 IN-8
S303(4/4)
FWD
DIR
REV
S302(4/4)
REC/PLAY
PLAY
REC
10 IN-7
SWITCH
Q708
B+
PH701
(TAPE END DET.)
5
6
8
IN-2
IN-3
IN-5
S702
(FWD/RCV)
S703
S704
DIR
REW/FF
PAUSE
RESET
Q705,706
3
CL
MOTOR
BRAKE
SWITCH
Q601,602
Q603,604
19
OUT-3
SWITCH
Q707
7
9
9
B+
REC B+
MUTE
SWITCH
Q304,306
J302
IC702
REG
B+
SYSCON B+
(FOR IC701)
(FOR IC701)
MOTOR SERVO B+
(FOR IC601,M601)
DRY BATTERY
SIZE "AA"
IEC DESIGNATION R6P
2PCS. 3V
(
)
DC IN 3V
23
CONT
D-D CONV.
OSC
Q702
T701
IC701
SYSTEM CONTROL
16
T301
S301
(POWER)
SIGNAL PATH
REC:
PLAY:
HRPE901
BATTERY
DETECT
TAPE SPEED
TAPE SPEED
. .
V O R
. .
REC TIME
REC/PLAY
REC/PLAY
SECTION 5
DIAGRAMS
TCS-60DV
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5-2. SCHEMATIC DIAGRAM
1
2
A
B
C
D
E
F
G
H
I
J
K
L
M
O
P
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
• Waveform
1
TP45 REC DOUBLE MODE
TP45 REC NORMAL MODE
1
52 kHz
10
µ
sec/div
5 V/div
10
µ
sec/div
10 V/div
5
µ
sec/div
1 V/div
52 kHz
IC303
3
LX REC
2
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
%
: indicates tolerance.
•
C
: panel designation.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc3 V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : REC/PB
(
no mark : REC/PB
(
) : REC
<
> : PB
• 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.
• Signal path.
E
: REC
a
: PB
TCS-60DV
— 15 —
— 16 —
— 17 —
— 18 —
— 19 —
5-3. PRINTED WIRING BOARD – MAIN SECTION –
1
2
A
B
C
D
E
F
G
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
Through hole is omit.
• b
: Pattern from the side which enables seeing.
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(SIDE A)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(SIDE B)
the parts face are indicated.
Ref. No.
Location
D301
B-2
D302
B-20
D303
C-23
D304
C-22
D305
E-13
D306
C-20
D307
B-3
D308
C-9
D701
B-9
D702
B-14
IC101
A-5
IC201
B-17
IC301
D-6
IC303
B-3
IC304
B-19
IC305
D-18
IC501
A-15
IC601
E-14
IC701
C-14
IC702
B-15
Q101
C-6
Q201
B-6
Q301
D-4
Q302
A-19
Q303
B-18
Q304
C-3
Q305
C-2
Q306
B-2
Q307
D-22
Q308
A-1
Q501
B-15
Q502
C-6
Q503
B-7
Q601
D-11
Q602
E-11
Q603
D-11
Q604
C-11
Q701
B-15
Q702
B-9
Q703
D-15
Q704
C-15
Q705
B-13
Q706
B-13
Q707
D-14
Q708
B-7
• Semiconductor
Location
TCS-60DV
— 20 —
— 21 —
— 22 —
— 23 —
— 24 —
5-4. PRINTED WIRING BOARD – LED SECTION –
1
2
A
B
C
D
E
3
4
5
6
7
8
9
10
11
12
13
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
Through hole is omit.
• b
: Pattern from the side which enables seeing.
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(SIDE A)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(SIDE B)
the parts face are indicated.
5-5. IC BLOCK DIAGRAMS
IC501 NJM2072M
IC502 MM1251BFBE
1
2
3
4
8
7
6
5
GND
AMP OUT
GAIN CONT
INPUT
VCC
OUTPUT2
OUTPUT1
RECOVERY
TIME CAP
TIME CAP
CT
OUT
N.C
GND
VS
VCC
HYS
N.C
1
2
3
4
5
6
7
8
–
+
+
–
+
BOOSTER
SIRCUIT
IC304 TA7688F-S0
IC305 CXA2500N-T4
9
IN2
NF1
VR
GND
BASE
BY2
OUT1
VB1
NF2
BY1
PW
VCC
OUT2
MUTE
VB2
IN1
10
11
12
13
14
15
16
1
5
2
3
4
6
7
8
–
+
RIPPLE
FILTER
MUTE
PW-OFF
–
+
DC
DC
REFERENCE
MIC INPUT (A)
PB OUTPUT (A)
REC DRIVE INPUT (A)
REC DRIVE OUTPUT (A)
AGC TIME CONST
ANT
TAPE/TUNER SELECTOR
1
2
PB PRE INPUT (A)
PB NF (A)
3
4
5
PB EQ SWITCH (A)
TUNER INPUT (A)
LINE OUTPUT (A)
6
7
8
9
10
11
12
REC DRIVE OUTPUT (B)
VCC
PB/REC SELECTOR
13
14
15
PB OUTPUT (B)
PB NF (B)
PB PRE INPUT (B)
MIC INPUT (B)
GND
20
21
22
23
24
TUNER INPUT(B)
PB EQ SWITCH (B)
18
19
REC DRIVE INPUT (B)
LINE OUTPUT (B)
16
17
TAPE/
TUNER
REF
AGC
MIC
NORM/
METAL
METAL
GCA
PB
LINE
REC
AGC
DET
AMP
AGC
MIC
GCA
PB
LINE
REC
AGC
DET
AMP
MIC
GCA
PB
LINE
REC
AMP
PB/
REC
6dB
22dB
12dB
-0.3dB
20.5dB
Ref. No.
Location
D501
E-3
D502
E-4
D503
E-6
IC502
E-5
Q504
E-3
Q505
E-7
• Semiconductor
Location
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