Yamaha HTR-4063, Service Manual

Page: 105 / 137

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10
B C D E F G H I J K L M N
105
OPERATION 1/2
RX-V467/HTR-4063
★
All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★
Components having special characteristics are marked ⚠ and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
● ⚠印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
パーツリストに記載されている部品を使用してください。
● 本回路図は標準回路図です。改良のため予告なく変更することがあります。
IC401
IC471
CB473 CB407
W4003
W4011 W4012
IC471
JK472
CB406
CB405
CB471 W4002
W4001
W4402
CB472
W4401
JK471
JK401
CB402 CB401
W4421
-33.6 -35.6
3.4
-28.9 -28.9 -35.7 -35.7 -35.7 -35.7 -35.7 -35.7 -35.7 -35.7 -35.7 -35.7 -35.7 -35.7 -35.7 -35.7 -35.6 -35.6 -35.6 -35.6
-37
.8
-35.5 -35.5 -33.5 -35.6 -33.3
-31
.2
-35.6 -33.5
-31
.4
-29.3 -33.5 -33.5 -33.5 -35.6
-31
.4
-31
.4
-35.6 -35.6
-37
.8
-33.5
-31
.4
-33.5 -33.5 -33.5 -29.2 -33.5 -33.5
-37
.8
-35.6 -33.5
-31
.4
-33.5
-31
.3
-33.3
-31
.3
-28.9
-28.9
-35.6
3.4
-35.6 -35.6
3.4
-35.6
-35.6
3.4
-35.6
-28.9
-28.9
-38.0
3.4
0
3.3
3.3
0
0
0
3.4
0
3.3
3.3
0
0
0
0
0
0
0
0
3.3
3.3
0
0
0
-29.5
-33.8
-38.0
0 3.3 3.3
3.4
-35.5
-35.6
3.4
-35.5
-35.6
3.4
-31.3
-31.4
3.4
-33.3
-33.5
-33.5
-33.5
-29.3
-31.4
-33.5
-35.6
-31.2
-33.5
-35.6
-33.5
-35.6
-35.6
-37.8
-35.6
-35.6
-35.6
-37.8
-35.6
-33.5
-31.5
-33.5
-31.3
-33.3
-31.4
3.4
1.6
1.6
0
0
3.4
3.3
3.3
-33.5
-35.6
-35.7 -35.7 -35.7 -35.7 -35.7 -35.7 -35.7 -35.7 -35.7 -35.7 -35.7 -35.7 -35.7 -35.7 -38.0
-35.6 -31
.4
-31
.4
-35.6 -35.6 -37
.8
-33.5 -31
.4
-33.5 -33.5 -33.5 -29.2 -33.5
3.4
-33.5
0
0
0
0
0
0 0
-11.9
0
5.1
0
12.0
0 0
2.1
0
0
2.1
3.4
12.0
0
0
-11.9
3.3
3.3
0
3.4
0
0
0
3.4
5.0 3.4 0 0 0
3.3
3.3
3.3 0
3.4 3.3 0 4.9 3.4
3.4 3.4 0 0 0 0 0
0 3.3
-1
1.9
0 0 1
2.1
0 0 0 0 0
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
IC401 : 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
IC471 : NJM4565M (TE1)
Dual operational amplifier
8
2, 6
3, 5
1, 7
4
V+
–INPUT
+INPUT
V–
OUTPUT
OPERATION (1)
OPERATION (3)
OPERATION (6)
OPERATION (5)
OPERATION (4)
OPERATION (8)
YPAO
MIC
POWER
indicator
(POWER)
VOLUME
PHONES
SILENT CINEMA
VIDEO AUX
PORTABLE
VIDEO
AUDIO
RADIO
CD TV
BD/DVD
VFD DRIVER
DIRECT
to DIGITAL_CB20
Page 102 B2
to VIDEO (6)_CB333
Page 110 N9
to OPERATION (2)_CB461
Page 106 M6
to VIDEO (1)_W3401
Page 110 B5
Key detection for A/D port
Key input (A/D) pull-up resistance 10 k-ohms
Ohm 0 + 1.0 k + 1.0 k + 1.5 k + 1.8 k + 2.2 k + 3.3 k + 4.7 k + 6.8 k + 10.0 k + 22.0 k + 68.0 k
V 0 – 0.15 0.16 – 0.42 0.43-0.70 0.71 – 0.99 1.00 – 1.27 1.28 – 1.56 1.57 – 1.86 1.87 – 2.14 2.15 – 2.39 2.40 – 2.65 2.66 – 2.91 2.92 – 3.17
A/D value
(3.3 V=255)
0 – 11 12 – 32 33 – 54 55 – 77 78 – 99 100 – 121 122 – 144 145 – 166 167 – 186 187 – 205 206 – 226 227 – 246
KEY2
(134 pin)
–
TUNING
>>
TUNING
<<
AM FM
PRESET
>
PRESET
<
MEMORY INFO STRAIGHT
PROGRAM
>
PROGRAM
<
Ohm 0 + 1.0 k + 1.0 k + 1.5 k + 1.5 k + 2.2 k + 3.3 k + 4.7 k 22.0 k 33.0 k
V 0 – 0.15 0.15 – 0.42 0.43 – 0.70 0.71 – 0.97 0.98 – 1.24 1.25 – 1.53 1.54 – 1.84 1.85 – 2.22 2.23 – 2.62 2.63 – 3.04
A/D value
(3.3 V=255)
0 – 11 12 – 32 33 – 54 55 – 75 76 – 96 97 – 119 120 – 142 143 – 163 182 – 197 198 – 209
KEY1
(133 pin)
RADIO
(SCENE4)
CD
(SCENE3)
TV
(SCENE2)
BD/DVD
(SCENE1)
– –
INPUT
>
INPUT
<
(Power)
TONE
CONTROL
DRAFT