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BLOCK DIAGRAM-5 (SYSTEM CONTROL SECTION)
TO DECK
MODE S/W
MS501
GND
MODE S1
MODE S2
MODE S3
MODE S4
LOADING MOTOR
L/D MOTOR
12V(DRUM)
PML01
2
LD
C529
LD +
1
5.1VD
T-UP END
ES501
R550
R557
C536
LD501
DECK IR LED
1
2
R553
RS501
R556
4
3
T-UP REEL
1
2
R555
RS502
4
3
SUP REEL
(CST.SW)
5.3VA
R544
CS501
RC5F1
TSOP1238SP1
REMOCON
1
SENSOR
FRONT-2 C.B
SW5A9
SW5A0
ONE-TOUCH
OPTB
PLAYBACK
FRONT-1 C.B
SW5A6
SW5A5
SW5A4
SW5A3
PAUSE/
STOP
F.FWD
PLAY
STILL
5.3VA
78
25
26
31 32 38
1
I-Limit
77
MODE S1
2
3
76
MODE S2
4
5
75
MODE S3
IC502
KA3082
74
MODE S4
DRIVE
IN 2
R526
Vcc 1
6
LD -
7
19
Vcc 2
8
IN 1
R525
5
20
10
LD +
OUT 2
Vref
OUT 1
2
X501
4
10MHz
GND
1
72
OSC1
OSC
ZD501
73
OSC2
X502
X1
70
OSC
32.768KHz
X2
69
1
T-UP Sensor
ES502
SUP END
3
SUP END Sensor
R564
C537
4
T-UP Reel
Q514
R
Q515
5
SUP Reel
R
R558
R5C6
CST IN
57
C552
R548
R/C
82
13 14
53
52
PMK01
PMK01
OSC
4
SW5A8
SW5A7
CH DOWN
CH UP
X503
14.3178MHz
PKM02
PMK02
SW5A2
SW5A1
9
REW
REC/ITR
15
Q506
D502
40 61 80 81
12 24
27
87
39
6
62
79
Q509
CV IN
43
C. sync (NOR)
54
IIC CLK
90
IIC DATA
91
45
CV OUT
9
AFT
PLL CLK
90
PLL DATA
91
VCR 'H'
55
IC501
HD3977RC36F
PWR CTL 'H'
55
SYSCON/SERVO
PROCESSOR
FLD ENV
94
FLD DATA OUT
97
FLD DATA IN
96
95
FLD CLK
POWER FAIL
89
16
RESET
50
51
17
34 35 36 37
15
42
41
22
+
C506
C501
CTL.
OSC
GAIN
ADJ
L506
Q5J1
R517
C518
C519
C521
C561
C504
C532
DIG5F1 DISPLAY
TO
AUDIO/VIDEO
SECTION
C. sync
33 32 31 30 29 28 27 26 25 24 23
34 P4
35
P5
36
P6
37
P7
TO/FROM
P8
38
TUNER/IF
IC5F1
39
P9
SECTION
MN12510
40
P10
DISPLAY DRIVE
41
P11
42
P12
43
P13
44
P14
TO
POWER
1 2 3 4 5 6 7 8 9 10 11
SECTION
IC505
KA7542Z
POWER FAIL DET.
3
2
Vcc
1
5.3VA
IC504
KA7531Z
RESET
3
Vcc
2
1
D501
5.3VA
Q503
+
R542
C500
Q501
FROM
R541
R539
POWER
SECTION
+
L501
Q522
+
9V
C503
R516
ZD502
+
C505
ZD503
16
FD (+)
FD (-)
ENA
22
VSS
21
X5F1 4MHz
OSC2
20
OSC
OSC1
19
5.3VA
VDD
18
17
VPP
16
-29VA
G9
15
FROM
G8
14
POWER
G7
13
SECTION
G6
12
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