Sony M-98V, Руководство по обслуживанию, Страница: 11 / 30

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M-98V
Pin No. Pin Name I/O Pin Description
51 TAPE COND I Tape detect signal input. “H”: With tape and microcomputer start-up at H edge input.
52 HOLD COND I Hold detect signal input. “L”: Hold on
53 CS O LCD driver chip select signal output. “H”: Data transfer
54 SDATA O LCD driver serial data signal output.
55 SCLK O LCD driver serial clock signal output.
56 NC — Not used. (Open)
57 AVSS — A/D converter ground pin.
58 NC — Not used. (Open)
59 AVR — A/D converter reference voltage.
60 RM COND I Remote control microphone plug, pause detect signal input. (Analog voltage)
61 KEY IN I Key input data signal. (Analog voltage)
62 KEY IN 2 I Key input data signal. (Analog voltage)
63 BATT IN I Power voltage level signal input. (Analog voltage)
64 NC — Not used. (Open)
6-2. BLOCK DIAGRAM
J101
MIC
(PLUG IN POWER)
MIC
AMP
Q101
MIC
POWER
SW
Q105
MIC901
MIC
MIC SW
Q125
MIC SW
Q103(1/2)
MIC SW
Q104
MIC SW
Q103(2/2)
PB SW
Q118
MIC SW
Q102
PB SW
Q107-109
REF
B+
(3V)
FILTER
Q106
BIAS OSC
Q111
ERASE CURRENT
Q113(1/2)
ERASE CURRENT
Q113(2/2)
S101-1 TAPE SPEED
1.2cm 2.4cm
BIAS SW
Q112
MIC
SENS
Q116
FWD
REV
REC/PB HEAD
FWD
REV
ERASE HEAD
HRPE901
REC/PB/ERASE
HEAD
REC SW
Q115
MIC
SENS
S102
H
L
REF
REC IN
REF OUT
REC NF
REC OUT
PB IN
REC/PB
+
–
+
–
REG OUT
LED
LED
SYSCON
VCC
POWER
OUT A
POWER
OUT B
POWER
MUTE
MUTE
MUTE CTL
POWER IN
PB NF
LINE
OUT
B+
(3V)
LED SW
Q114
D901
24
20
23
16
19
10
5
3
9
17
7
REC SW
Q117
14
12
22
21
POWER SW
Q123, 124
B+
(3V)
PRE, POWER AMP
IC101
MUTE SW
Q127, 128
START SWITCH
Q601(1/2),614(2/2)
MUTE SW
Q119, 120
VOR POWER
SW
Q122
B+(3V)
19
PRE AMP 26
C/R CTL
VOR COND1
C/R COND2 REC CTL2
SERVICE
FPB COND
20
24
35 16
40
47
REC CTL1
18
PB CTL 22
MD0 46
MD3 41
MD2
42
MD1 43
TAPE DET
51
REV NAIL 36
FWD NAIL
37
RM COMB 60
M CTL1 33
START CONTROL
Q615
M CTL2 15
DIRECTION SWITCH
Q601(2/2),614(2/2)
SPEED CONTROL (CUE)
Q604
POWER SWITCH
Q704
M DIR 31
RV101
VOL
SPEED CONTROL
(FAST PB)
Q602,603 FTB CTL 23
M SPD1 27
M BRK 30
RST 2
HOLD DET 52
EN V 34
RIF COND 48
RV601
2.4cm/s
TAPE
SPEED
S101-2
TAPE
SPEED
RV602
1.2cm/s
TAPE
SPEED
2.4cm
1.2cm
V. REF
SAW
REV
C ST
START
30
28
27
26
1 15
17
13
S701
(MODE SELECT)
MD1
MD2
MD3
MD0
TAPE DET
Q702,703
WAKE UP 50
KEY SW
Q705, 706
KEY IN 61
KEY IN2 62
BATT IN 60
XO 5
XI 8
CS 53
LCD
DISPLAY
SDATA 54
SCLK 55
SYSTEM
CONTROL
IC701
S703
TAPE
DET
S707
(REV)
S708
(FWD)
B+
(3V)
X701
4MHz
RESET
IC702
3V REG
IC801
DDC SW
Q901,902
REEL
ROTATION DET
PH701
S704
HOLD
OFF
ON
B+
(3V)
B+ (3V)
Q701
DC-DC
CONVERTER
IC802
B+
(3V)
B+
(3V)
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
2PCS, 3V
START
CONTROL
TUNING
CONTROL
SOFT
SWITCHING
DRIVE
SOFT
SWITCHING
DRIVE
BACK
ELECTROMOTIVE
POWER DET
9
25
10
OUTPUT
DRIVER
BUFFER
STARTING
OSC
SERVO
AMP
REF.V
GENERATOR
TERMINAL
PROTECT
MOTOR
BRAKE
Q605-607
BRAKE
ON/OFF
Q608
FWD/REV
U
W IN
V IN
U IN
V
W
U
V
W
MOTOR SERVO
IC601
REF
1 7
6
8
IN OUT1
OUT2
VCC
VOR LEVEL SW
Q121
COM
(3V)
M901
MOTOR
VOR
IC102
OFF
ON
V•O•R
S103
SP901
(SPEAKER)
J102
EAR
Signal path
: REC
: PB 04
REC
REC
SW
Q126
J701
DC IN 3V
( )
BP701 (SERVICE)
S702
FAST PB
OFF
ON
RV601
RV602