JK1
CB1
IC9
IC10
CB8
CB3
W5
CB801
CB4
W6
CB7
CB903
W991
CB902
CB901
JK801
A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
H
I
J
K
L
M
N
YSP-600/HTY-760
77
★
All voltages are measured with a 10M
Ω
/V DC electronic voltmeter.
★
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.
INPUT 1/2
5.8
5.8
5.8
5.8
0
11.1
0
3.3
11.1
11.1
11.1
5.8
5.8
5.8
11.1
0
0
0
0
0
11.1
11.1
11.8
0
6.4
8.3
8.3
6.4
5.7
5.8
5.8
2.8
0
0.2
0
5.1
4.4
0
5.1
0
3.2
3.3
0
0
3.3
3.3
0
3.3
7.8
-5.5
10.3
0
10.8
10.8
11.8
10.8
0
3.3
5.6
0
0
-5.5
-5.5
5.1
0
4.9
0
0
0
0
4.8
0
0
4.9
0
4.1
4.1
0.2
3.1
3.1
0
0
-24.1
3.1
-11.1
-12.2
-11.1
3.1
-12.5
-12.2
3.1
-20.7
-20.7
3.1
-20.7
-12.5
-11.0
-20.7
-20.7
-22.3
-14.1
-15.8
-15.8
-11.0
-15.8
-17.5
3.1
-22.3
-22.3
3.1
-22.3
-22.3
3.1
-22.3
-22.3
-22.3
-22.3
-22.4
-22.4
-22.4
-22.4
-22.4
-22.4
-22.4
-22.4
-22.4
-22.4
-22.4
-22.4
-24.1
-12.3
-20.5
3.1
-20.5
-20.5
-20.7
-12.5
-12.5
-11.0
-12.2
-12.5
-11.1
3.1
1.4
0
3.1
3.1
0
3.1
-17.0
-22.4
-22.4
-22.4
-22.4
-22.4
-22.4
-22.4
-22.4
-22.4
-22.4
-22.4
-22.4
-22.3
-22.3
-22.3
-17.5
-15.8
-11.0
-15.8
-15.8
-14.1
-22.3
-20.7
-20.7
-11.0
-12.5
-20.7
-19.0
-19.0
-14.2
-17.4
-17.4
-11.0
-17.4
-14.2
-15.8
-19.0
-15.6
-22.3
-10.9
-14.2
-20.7
-20.5
-20.7
-12.5
-12.3
-12.5
-11.0
-12.2
-11.1
-17.0
-19.0
3.1
-17.0
4.1
0
0
5.6
0
0
0
0.7
10.6
5.6
0
0.1
1.8
5.0
5.1
0
2.6
2.2
0
5.1
5.1
0
0
3.3
3.3
3.3
5.1
0
3.3
3.8
5.0
5.0
1.8
0
0
0
5.0
2.5
0
5.0
5.0
0
1.9
1.8
5.0
0
0
0
0
6.4
8.3
8.3
6.3
ANALOG IN
DIGITAL IN
SUBWOOFER OUT
52
Display
controller
Serial
receive
circuit
Digit
output
circuit
Clock
generator
DIG11/
SEG42
51
DIG12/
SEG41
50
DIG13/
SEG40
49
DIG14/
SEG39
48
DIG15/
SEG38
47
DIG16/
SEG37
46
DIG17/
SEG36
45
SEG35
XOUT
6
Vcc1
8
Vcc2
18
Vss
5
Vp
64
XIN
7
CS
SCK
3
SDATA
4
RESET
1
SEG00
44
9
SEG34
SEG26
17
19
SEG25
Segment
output
circuit
Display code
RAM
(8-bit x 60)
CGROM
(35-bit x 166)
CGROM
(35-bit x 16)
code
select
Code
write
Code/
command
control
circuit
DIG00
63
53
DIG10
IC901
: M66003-0131FP-R
18 digit 5 x 7 segment VFD controller/driver
2
data
timing
clock
dot data
write
scan pulse
Segment/
Digit
select/
output
circuit
DIN1
DOUT1
RIN1
ROUT1
DIN2
DOUT2
RIN2
ROUT2
11
10
12
9
14
7
13
8
IC6
: MAX3232CDWR
3-V to 5.5-V multi-channel RS-232 line driver/receiver
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
C1+
V+
C1
C2+
C2
V
DOUT2
RIN2
VCC
GND
DOUT1
RIN1
ROUT1
DIN1
DIN2
ROUT2
IC5, 801
: NJM2068MD-TE2
Dual operational amplifier
OUT
1
OUT
2
–IN
1
+IN
1
+IN
2
-IN
2
–V
CC
+V
CC
1
2
3
4
8
7
6
5
+ –
+ –
1
2
3
4
-V
8
7
6
5
Output A
+V
Non-Inverting
Input A
-DC Voltage Supply
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
Inverting
Input A
+
-
+
-
IC2
: NJM3404AM-TE1
Single-supply dual operational amplifier
IC7
: TC74HCT08AF
Quad 2-input AND gate
Vcc
14
4B
13
4A
12
4Y
11
3B
10
3A
9
3Y
8
1A
1
1B
2
1Y
3
2A
4
2B
5
2Y
6
GND
7
IC1
: TC74HCU04AFEL
Hex inverters
VCC
6A
5A
4A
6Y
5Y
4Y
GND
3Y
3A
2A
1A
2Y
1Y
1
2
3
4
5
6
7
14
13
12
11
10
9
8
IC4
: TC4052BF
Analog multiplexer/demultiplexer
16
10
9
6
8
7
13
12
14
15
11
1
5
2
4
3
X-COMMON
0X
1X
2X
3X
0Y
1Y
2Y
3Y
Y-COMMON
VEE
VSS
INH
B
A
VDD
LOGIC LEVEL
CONVER
TER
I/O c O/I
I/O c O/I
I/O c O/I
I/O c O/I
I/O c O/I
I/O c O/I
I/O c O/I
I/O c O/I
IC8
: MB90050PF-G-118-E1
OSD controller
IC8
: MB90050PF-G-119-E1
OSD controller
VOUT
YOUT
COUT
PO3
PO2
PO1
PO0
SIN
SCLK
CS
VIN
YIN
CIN
VSYNCI
FLDI
SYNCST
HSYNCI
HSYNCO
VSYNCO
CSYNCO
FLDO
VBLKO
EXS
XS
FSC4O
EXD
XD
DCLKO
BUSY
RESET
DCOL5 to DCOL0
DB
DH
Serial input
control
Analog
switch
Sync control
Video signal
generator circuit
NTSC/PAL
signal
generator
circuit
Output control
Palette
(4 bits
→
6 bits)
Display Memory control
Font RAM
(8 characters)
Font ROM
(512 characters)
VRAM
(35 characters
×
16 lines)
4FSC clock
oscillation
circuit
Dot clock
oscillation
circuit
Port control
Each block
Each block
All reset
Each block
FLDI
VSYNCI
HSYNCI
V
CC
V
SS
EXS
XS
FSC4O
VSYNCO
HSYNCO
CSYNCO
VBLKO
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
PO3
PO2
DCOL5
DCOL4
DCOL3
DCOL2
DCOL1
DCOL0
DCLKO
DB
DH
RESET
48
47
46
45
44
43
42
41
40
39
38
37
Y
OUT
TESTI2
YIN
AV
SS2
CIN
AV
CC2
COUT
AV
SS1
V
OUT
AV
CC1
VIN
TESTI1
13
14
15
16
17
18
19
20
21
22
23
24
FLDO
SYNCST
CS
SCLK
SIN
B
USY
XD
EXD
V
SS
V
CC
PO0
PO1
MB90050
VOUT
YOUT
COUT
PO3
PO2
PO1
PO0
SIN
SCLK
CS
VIN
YIN
CIN
VSYNCI
FLDI
SYNCST
HSYNCI
HSYNCO
VSYNCO
CSYNCO
FLDO
VBLKO
EXS
XS
FSC4O
EXD
XD
DCLKO
BUSY
RESET
DCOL5 to DCOL0
DB
DH
Serial input
control
Analog
switch
Sync control
Video signal
generator circuit
NTSC/PAL
signal
generator
circuit
Output control
Palette
(4 bits
→
6 bits)
Display Memory control
Font RAM
(8 characters)
Font ROM
(512 characters)
VRAM
(35 characters
×
16 lines)
4FSC clock
oscillation
circuit
Dot clock
oscillation
circuit
Port control
Each block
Each block
All reset
Each block
FLDI
VSYNCI
HSYNCI
V
CC
V
SS
EXS
XS
FSC4O
VSYNCO
HSYNCO
CSYNCO
VBLKO
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
PO3
PO2
DCOL5
DCOL4
DCOL3
DCOL2
DCOL1
DCOL0
DCLKO
DB
DH
RESET
48
47
46
45
44
43
42
41
40
39
38
37
Y
OUT
TESTI2
YIN
AV
SS2
CIN
AV
CC2
COUT
AV
SS1
V
OUT
AV
CC1
VIN
TESTI1
13
14
15
16
17
18
19
20
21
22
23
24
FLDO
SYNCST
CS
SCLK
SIN
B
USY
XD
EXD
V
SS
V
CC
PO0
PO1
MB90050
IC10, 12
:
NJM78M05FA
3-terminal positive voltage regulator
IN
OUT
GND
POINT
A-1 XL1 (Pin 6 of IC8)
IC11
: NJM2388F63
Low dropout voltage regulator with ON/OFF control
ON/OFF
control
Over Voltage
Protection
Bandgap
Reference
V
IN
1
4
3
Cont
GND
V
OUT
Over Current
Protection
Thermal
Protection
2
RS232C DRIVER
INPUT (2)
INPUT (3)
INPUT (5)
INPUT (4)
AMP
REGULATOR
INPUT SELECTOR
AUX (U, C, T, K, A, B, G, E, F, L, V models)
DVD (J model)
DVD (U, C, T, K, A, B, G, E, F, L, V models)
DIGITAL
OUT
COAXIAL
OPTICAL
AUX (J model)
VCR (U, C, T, K, A, B, G, E, F, L, V models)
VIDEO (J model)
TV/STB (U, C, T, K, A, B, G, E, F, L, V models)
TV/TUNER (J model)
VOLUME
+
INPUT
STANDBY/ON
VOLUME
-
Key detection for A/D port
AUDIO
INPUT
OUT
+ 1.2 k
0.165 - 0.495
13 - 38
INPUT
–
0
0 - 0.165
0 - 13
VOLUME-
Ohm
V
A/D value (3.3 V=255)
KEY0 (138 pin)
KEY1 (139 pin)
Destination for A/D port
Pull-up resistance 10 k-ohms
R71(INPUT P.C.B.) [ohm]
DEST [V]
A/D value (3.3 V=255)
Destination
39 k
2.475 - 2.805
191 - 217
U, C
91 k
2.805 - 3.135
217 - 242
T, A, B, G, E, F, L
(YSP-600)
24 k
2.145 - 2.475
166 - 191
K, V
15 k
1.185 - 2.145
92 - 166
B, G, E, F
(HTY-760)
–
3.135 - 3.3
242 - 255
J
Writing port
INTELLIBEAM
MIC
w
w
w
.
x
i a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299