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A
B
C
YSP-1100
INPUT 1/2
1
6.3
6.3
6.3
12
6.3
6.3
6.3
14
12.0
0
6.9
11
6.3
6.9
0
6.3
5
8.9
15
13
8.9
0
6
INPUT
SELECTOR
2
6.3
6.3
6.3
1
6.3
6.3
5
6.3
5.1
6.9
2
3
6.3
5.1
6.3
6.3
4
3
0
8.9
8.9
2
0
3
1.4
0.7
2.0
0.7
3.2
5.0
0
2.0
0
0
2.0
INPUT
SELECTOR
4
5
6
7
5.1
2.6
14
3.2
1
2
3
4
0.4
7
0
4.4
0.1
5.1
4.4
13
12
5
6
0
5.1
0.2
0.2
4.8
0.1
11
10
9
8
0
8
5.1
9
IC1: TC74HCU04AFEL
Hex inverters
1A
1
14
1Y
2
13
2A
3
12
2Y
4
11
3A
5
10
3Y
6
9
GND
7
8
10
# All voltages are measured with a 10MΩ/V DC electronic volt meter.
# Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
66
D
E
F
8
0
7
0
12.0
0
0
3.1
0
3.1
0
0
0
0
0
0
1
4
2.9
4.3
5.0
0.1
0
1.7
0
0
1.1
1.6
0.4
2.9
0
1.7
2.9
0
1.8
1.3
5.0
1.3
1.1
5.0
12.0
5.0
12.0
0
9.0
12.0
0
4.6
4.5
7.9
3.2
4.6
9.0
3.2
4.6
4.6
0.1
0
0
9.0
0
4.6
4.6
0
0
4.6
4.6
0
0
4.6
4.6
INPUT
SELECTOR
11.8
5.4
4.8
C1740S (R/S)
2.4
1.8
0
-110E1
X6692A0
IC5: µPC4570G2-T1-A
IC4: TC4052BF
Analog multiplexers/demultiplexers
Dual operational amplifier
VDD
VCC
16
OUT
1
1
13
X-COMMON
6A
–IN
1
2
+
–
I/O c O/I
12
0X
6Y
+IN
1
3
I/O c O/I
14
1X
A
10
5A
15
I/O c O/I
2X
–V
4
CC
I/O c O/I
11
3X
5Y
B
9
I/O c O/I
1
0Y
4A
5
I/O c O/I
1Y
6
INH
I/O c O/I
2
2Y
4Y
I/O c O/I
4
3Y
3
Y-COMMON
8
7
VSS
VEE
G
H
5.1
14
0
4
0
0
5
6
0
9
0
0
10
8
0
12
0
0
13
11
0
1
0
0
2
3
0
7
5.1
12.0
5.1
12.0
0
5.0
1.1
5.0
5.0
1.8
0
5.1
14
0
2.6
0.1
1
3
2.6
0
0.1
2
5.0
0.1
4
0
0
0
6
0
0
0
5
0
OSD
0
5.1
12
0
A-3
0
5.0
11
13
0
9
3.2
8
5.1
10
3.2
7
0
0
0
IC3: MAX3232CDWR
IC7, 15: TC74HCT08AF
3V to 5.5V multichannel
Quad 2-input AND gate
RS-232 line driver/receiver
1A
1
14
Vcc
8
+V
CC
1B
2
13
4B
7
OUT
2
C1+
1
16
VCC
1Y
3
12
4A
+
–
2A
4
11
4Y
6
–IN
2
V+
2
15
GND
2B
5
10
3B
C1
3
14
DOUT1
5
+IN
2
2Y
6
9
3A
C2+
4
13
RIN1
GND
7
8
3Y
C2
5
12
ROUT1
6
11
V
DIN1
7
10
DOUT2
DIN2
RIN2
8
9
ROUT2
I
J
K
POINT A-3 Pin 6 of IC10
Page 63
L4
to DSP_W3
IC2: BA7611AF-E2
Video signal switcher
IN1
1
8
V
MUTE
CTLA
2
6dB
7
V
CTLB
3
LOGIC
6
IN3
IN2
4
5
GND
IC6: NJM2585M
Wide band 3-input 1-output 3-circuit video amplifier
CH1 IN1
1
Page 63
L4
Bias
Cont1
SW Control 1
2
to DSP_W2
Cont1
Cont2
CH1 IN2
3
Bias
SW Control 2
4
Cont1
CH1 IN3
5
Bias
GND
6
+
V
1G
7
CH2 IN1
8
Bias
GND
9
CH2 IN2
10
Cont2
Bias
GND
11
CH2 IN3
12
Bias
IC16: NJM78L09A-T3
Voltage regulator
Page 67
J5
to INPUT (1)_W505
IC10: MB90050PF-110E1
On-screen display controller
SIN
Serial input
Each block
SCLK
control
CS
REMOTE IN
VIN
YIN
CIN
HSYNCI
INPUT (2)
VSYNCI
Sync control
Video signal
FLDI
generator circuit
SYNCST
IC8, 12: NJM78M05FA
HSYNCO
Voltage regulator
VSYNCO
NTSC/PAL
signal
CSYNCO
generator
INPUT
Pallete
FLDO
circuit
(4 bits 6 bits)
VBLKO
Display Memmory control
BUSY
OUTPUT
VRAM
Font ROM
(35 characters
(512 characters)
x 16 lines)
COMMON
EXS
4FSC clock
oscillation
XS
Each block
circuit
FSC4O
EXD
Dot clock
oscillation
XD
Each block
circuit
DCLKO
All reset
RESET
L
M
N
IC9: NJM2257M
Synchronous signal separator
OUT
CC
6dB
75
24
CH1 OUT
Amp
Driver
23
Power Save
6dB
75
22
CH2 OUT
Amp
Driver
IC11: M62782GP
Voltage threshold detector
21
V
+
2
SUPPLY VOLTAGE
6dB
75
20
CH3 OUT
4
Amp
Driver
GND
19
R1
18
ND
OSC
5
OUTPUT
-
+
COUNTER
17
CH3 IN1
R2
Bias
1.25V
GND
16
3
2
1
15
CH3 IN2
Cont2
N.C.
SUB
GND
Bias
(GND)
14
GND
GND
1
5
OUTPUT
13
CH3 IN3
2
Bias
SUB
(GND)
SUPPLY
4
N.C.
3
VOLTAGE
V
IN
V
OUT
GND
VOUT
Analog
switch
YOUT
COUT
FLDI
1
36
PO3
VSYNCI
2
35
PO2
HSYNCI
3
34
DCOL5
DCOL5 to DCOL0
Output control
VCC
4
33
DCOL4
DB
VSS
5
32
DCOL3
MB90050
DH
EXS
6
31
DCOL2
XS
7
30
DCOL1
FSC4O
8
29
DCOL0
VSYNCO
9
28
DCLKO
HSYNCO
10
27
DB
CSYNCO
11
26
DH
Font RAM
(8 characters)
VBLKO
12
25
RESET
PO3
PO2
Port control
PO1
PO0
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