2
P2501
P0201
P0201
P2501
1
3
P2501
P0201
12
10
7
26
18
12
P2501
P0201
15
11
P2501
P0201
16
UNREG
14.5V
TL
AMP
EC
AMP
4
5
POSITION
SIGNAL
PROCESS
TORQUE
CONTROL
PIN 21
DIFFERENTIAL
AMPRIFIER
TORQUE
DIRECTION
MOTOR
DRIVE
3
25
22
24
2
1
6
9
L
CAPSTAN
MOTOR
L0201
OPEN
CONTROL
LOGIC
19
21
LOADING
MOTOR
H3
L
P1501
H2
P2501
P0201
9
P2501
P0201
8
H1
1
P1501
2
H
TL0201
BRAKE
STOP
FORWARD
REWIND
H
OPEN
PIN 19
L
H
L
OUTPUT
INPUT
L
MODE
H
PIN 15
L
H
H
L
PIN 16
L
83
79
1
67
66
(SYSTEM CONTROL/SERVO IC)
CURRENT
LIMIT
CAPSTAN
ERROR
TORQUE
CAPSTAN
REVERSE/
FORWARD
LOADING
UNLOADING
104
CAPSTAN
FG IN
P0201
P2501
4
CAP FG5V
R0206
CAPSTAN
FG HEAD
114 CTL OUT
TW2002
102 EX.FF/REW
45 POSITION SW2
POSITION SW3
44
46 POSITION SW1
1
2
3
4
S1501
MODE
SW
80
CYLINDER
ERROR
TORQUE
4
8
PG/FG
TORQUE
CONTROL
DIFFERENTIAL
AMPLIFIER
MOTOR
DRIVE
SCHMIT
6
7
P2501-9
P2501-3,4
P2501-1
P2501-7
P2501-5
P2501-2
P2501-6
P2501-8
6,7
1
9
3
5
8
4
2
M2
VM
M1
M3
GND
HE-
HE+
VH+
REG
5V
P2901
HALL
IC
MAIN COIL 2
MAIN COIL 1
MAIN COIL 3
CYLINDER STATOR UNIT
14 TAKE-UP PHOTO
13 SUPPLY PHOTO
92 SAFETY TAB
4
3
1
2
REG
5V
(S-REEL SENSOR)
4
3
1
2
(T-REEL SENSOR)
S7507
SAFETY
TAB SW
Q1502
SUPPLY
PHOTO
SENSOR
Q1501
TAKE UP
PHOTO
SENSOR
D1501
SENSOR
LED
REG
5V
94 S-REEL PULSE
93 T-REEL PULSE
TL6013
TL6012
P4002
5
P4002
6
CTL
HEAD
31
20MHz IN
32
20MHz OUT
32KHz IN
32KHz OUT
X6001
X6002
QR1003
33
BACK UP 5V
76
1
2
RESET
N.SW
5V
77
IR
RECEIVER
1
3
IR
52
87
88
86
85
S.DATA IN
S.DATA OUT
S.CLOCK
FIP CS
1
2
3
SERIAL DATA
SERIAL CLOCK
CS
GRID7
17
GRID1
11
|
SEG18
18
SEG1
36
|
5
23
33
39
45
44
F-
F-
2
1
DP7501
FROM
POWER
QR1002
F+
F+
TIMER DISPLAY
TW2015
103
CAPSTAN
FG OUT
)
HEATER(-)
48
TL2503
TL2502
N.SW
5V
BUFFER
Q1001
UNREG -29V
VEE
19
RESET
1
2
N.SW
5V
C7507
16 COM
17
UNREG
14.5V
N.SW
5V
A2
5
N.SW
5V
S7510
EXT LINK
S4802
7
PP3906 PS4801
43
POWER KEY
N.SW
5V
S7515
STOP
CH DOWN
S7502
N.SW
5V
6 A5
S7513
T.REC
S7501
REC
CH UP
S7504
N.SW
5V
7 A4
S7503
PAUSE
S7512
REW
82 HALF WAVE
84 125Hz
TW6002
S4803
POWER
S7514
FF
S7511
PLAY
EJECT
S7505
6
PP3906 PS4801
INTELLIGENT
TIMER
2
PP3906 PS4801
38
2
P6901
P6005
D6901
FRONT(R)
LED
+B
2
P6801
P6006
D6801
FRONT(L)
LED
+B
S7509
A.DUB
DNR
S4801
1
PP3906 PS4801
QR6007
QR6003
H
H
L
L
FIP L
P.FAIL L
RESET L
H
LED ON H
NV-HS880EG/B/EC/EE
SYSTEM CONTROL & SERVO BLOCK DIAGRAM
Summary of Contents for NV-HS880EG
Page 16: ...4 REMOVAL OF THE MAIN C B A Remove Screw F Remove 4 Screws G Unlock 2 Tabs H Fig D5 16 ...
Page 23: ...3 3 8 CIRCUIT BOARD LAYOUT 23 ...
Page 26: ...10 2 CASING PARTS SECTION 26 ...
Page 27: ...10 3 PACKING PARTS SECTION 27 ...
Page 28: ...11 REPLACEMENT PARTS LIST 11 1 CHASSIS PARTS SECTION PARTS LIST 28 ...
Page 41: ...D7501 MAZ4220NMF DIODE MAVD 41 ...
Page 43: ...K7301 ERJ6GEY0R00V M RESISTOR CH 1 10W 0 D0GBR00JA017 43 ...
Page 46: ...Q1104 2SD1992A R TRANSISTOR 46 ...
Page 48: ...R0715 ERJ3GEYJ223 M RESISTOR CH 1 16W 22K 48 ...