Yamaha CDR-S1000 Service Manual page 35

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A
B
C
SCHEMATIC DIAGRAM (MAIN & PANEL P.C.B.)
1
-20.9
-20.9
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2
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FL DRIVER
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@6
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3
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5.0
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5.0
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5.1
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5.1
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4
5.1
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5.0
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5.0
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0
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0
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0
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-26.7
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5
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-20.9
-20.9
y
V1 : 14-BT-56GN
6
^9
q
PATTERN AREA
PIN CONNECTION
7
Note 1) F1, F2 ......... Filament
3) NX .............. No Extend pin
5) 1G~15G ...... Grid
2) NP .............. No Pin
4) P1~P35 ....... Datum Line
8
GRID ASSIGNMENT
ANODE CONNECTION
9
10
D
E
F
MAIN (2)
SAME PAGE
J-4
PANEL (2)
Point y (Pin 20 of IC830)
V : 2V/div, H : 1 µsec/div
DC, 1 : 1 probe
0V
Point @ 6 (Pin 1 of IC830)
V : 10V/div, H : 2 msec/div
DC, 1 : 1 probe
0V
IC830 : M66004FP
FL Driver
DISPLAY CODE
CS
14
SERIAL
REGISTER
CGROM
RECEIVE
SCK
15
59
SEG00
(8BITx16)
(35BITx160)
CIRCUIT
SDATA
16
CODE
SEGMENT
33
SEG26
WRITE
OUTPUT
31
SEG27
CIRCUIT
CGRAM
SEG35
23
(35BITx16)
CORD/
COMMAND
RAM
CONTROL
WRITE
CIRCUIT
OUTPUT
18
P0
PORT
(2BIT)
17
P1
DISPLAY
CONTROL
RESET
13
REGISTER
CODE
SELECT
12
DIG00
XIN
21
DIGITAL
CLOCK
DISPLAY
1
DIG11
OUTPUT
GENERATOR
CONTROLLER
XOUT
20
64
DIG12
CIRCUIT
61
DIG15
G
H
I
P-E39/J35
C-4
The voltage value is measured during playback.
The waveform is measured while CD OPTICAL (1kHz) signal is recorded.
J
K
L
SAME PAGE
E-5
PHONES AMP
7.3
6.7
0
6
0
7
P-E39/J35
H-4
0
3
0
4
-8.5
-8.0
P-E39/J35
H-8
IC500 :
Dual OP-Amp
1
V
CC
* All voltage are measured with a 10M Ω /V DC electric volt meter.
* Components having special characteristics are marked Z and
must be replaced with parts having specifications equal to those
originally installed.
* Schematic diagram is subject to change without notice.
M
N
CDR-S1000
P-E36/J32
A-8
6.2
1
8
0
2
0
5
-7.5
µ
PC4570HA
1
2
+
+
2
3
4
5
6
7
8
9
V
O1
–Vm
1
+Vm
1
V
EE
+Vm
2
–Vm
2
V
O2
V
CC
E-38/J-34

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