Diagrams; Block Diagram - Sony TCM-50DV Service Manual

Q Q
3 7 6 3 1 5 1 5 0

6-1. BLOCK DIAGRAM

HRPE901
S102-4
Q106
REC/PB/ERASE HEAD
(FWD/REV)
REC/PB
(FWD)
FWD
REV
REC/PB
(REV)
+3V
T101
Q111
BIAS OSC
S102-3
Q112
(FWD/REV)
ERASE
(FWD)
FWD
NORMAL
ERASE
(REV) REV
DOUBLE
S903-1
REC TIME
MIC901
Flat Mic
J102
MIC
S901
V O R
ON
OFF
T E
L 1 3 9 4 2 2 9 6 5 1 3
• Signal path
S701
: TAPE (PB)
PAUSE
+3V
OFF ON
: TAPE (REC)
S702
(REW / REVIEW)
5 IN2
S703
(DIR)
6 IN3
S704
(FF / CUE)
8 IN5
10
PULSE
AMP
Q708
TAPE ROTATION DETECTOR
04
PH701
w w w
.
SECTION 6

DIAGRAMS

PRE / POWER AMP
EQ IN
29
S101-1
(REC/PB)
PB VREF OUT
27
REC
4
VOR
REC OUT
IC501
7 OUT1
RECOVERY
5
TIME CAP
IN 1
6
OUT2
SWITCH
Q501
NF LEVEL
PRE NF
SWITCH
1
Q105
S902
MIC SENS
L H
NF LEVEL
SWITCH
Q103
NF LEVEL
SWITCH
Q104
MIC IN
28
ALC CONT
Q101 5
LED CONTROL
Q302,303
D901
BATT
LED CONTROL
Q704
Q701
D902
D702
REC
4
SYSTEM CONTROL
IC702
23 3 24 22
+3V
+3V
SWITCH
Q706, 707
D701
DP CON
OSC
Q702
3 V OUT V IN 2
REG
IC701
T701
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8
IC101
RV101
+ PRE
VOL
- OUT
AMP
2
Q102
REC
BATTERY
+
IN
VOLTAGE
-
3
DETECTOR
4 OUT
D903
LED
CONTROL
Q301
MUTE
Q109
MUTE
DRIVE
Q110
-
+
SWITCH
Q107,108
Q Q
3 7 6 3
DIR
19 DIRECTION
17 18 19
20
OUT2
MOTOR
CONTROL
S/S
Q705 11
OUT1 21 BIAS
7 9 11
SWITCH
Q703
S102-2
DOUBLE
(FWD /REV)
S903-2
REV FWD
REC TIME
NORMAL
+3V
u 1 6 3
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2 4
9 9 8
S101-3
POW
POW
(REC/PB)
OUT1
IN
1 12
11
PB
REC
POW
IC301 OUT2
2
14
+3V
21 R/P MUTE
23 R/P SW
S101-2
(REC/PB)
MIC VCC
+3V
26 R.F
PB
REC
R.F OUT
25
1 5 1 5 0 8 9 2 4
MOTOR SERVO
IC601
U OUT
V OUT
PRE
PULSE OPERATION
DRIVER
DET LOGIC
W OUT
REF
OSC
VOLTAGE
REF VOLTAGE CURRENT FREQ.
ERROR
FOR SPEED CONTROL DET CHARC.
AMP
12 13
RV601
S101-4
TAPE SPEED
(REC/PB)
REC TIME NORMAL
RV603
PB
SPEED CONTROL
REC
RV602
TAPE SPEED
REC TIME DOUBLE
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TCM-50DV
2
9 9
SP101
SPEAKER
J101
EAR
S103
(POWER)
CN101
DC IN 3V
+
-
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
2PCS,3V
9 8 2 9 9
MOTOR
BRAKE SW
Q601 - 604
20
1
2
M901
CAPSTAN/REEL
MOTOR