Yamaha HTR-3064 Series, Руководство по обслуживанию

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A
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2
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4
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10
B C D E F G H I J K L M N
81
OPERATION 1/2
RX-V371/HTR-3064
★
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.
IC101
IC102
IC102
CB171 CB103
JK101
W1003
CB102
W1001
JK171
JK166
CB166
CB101 CB104
CB106
CB145
-36.6 -36.6 -36.6 -36.6 -36.6 -36.6 -36.6 -36.6 -36.6 -36.6 -36.6 -36.6 -36.6 -36.6 -36.5 -36.5 -36.5 -36.3 -36.5 -36.5 -32.1 -32.2 -36.4 -36.5 -34.3 -36.5 -34.3 -30.0 -34.5 -34.2 -36.5 -34.3 -34.3 -34.3 -34.3 -34.3 -34.3 -36.5 -34.3 -34.4 -34.3 -34.3 -38.7 -34.3 -32.1 -29.4 -29.4 -32.1 -32.1 -30.0
-36.5 -36.5 -36.5 -36.5 -32.2 -32.2 -34.3
-38.7
-34.3
-34.3
-34.3
-34.4
-32.1
-32.1
-32.2
3.4
3.4
3.4
3.4
-32.1
3.4
-32.2
-32.1
3.4
-32.2
-36.3
3.4
-36.5
-36.4
3.4
-36.5
-30.1
-29.4
-38.9
-29.4
3.4
3.3
0
0
3.4
12.2
0
12.2
0
0
0
0
0
0
0
0
0
0
0
0
3.4
0
-11.8
12.2
0
0
0
0
0
3.4
-11.8
3.3
0
0
-34.5
-38.9
3.4
1.6
1.6
0
3.4
-36.4 3.4
-36.4
-36.5
-36.5
-34.2
-36.5
-34.3
-36.5
-36.5
-36.5
-36.5
-36.5
-36.5
-36.5
3.4
-36.4
-36.5
3.4
-36.4
-36.5
3.3
0
0
0
3.3
0
0 0
0
3.4
3.4
3.4
0 3.3
0
3.4 3.4 3.4 3.4
3.4 3.4
0 3.4 3.4
3.4
0 0
0
-38.7
-36.5
-36.5
-38.7
-30.0
-34.3
-36.6 -36.6 -36.6 -36.6 -36.6 -36.6 -36.6 -36.6 -36.6 -36.6 -36.6 -36.6 -36.6 -36.6 -38.9
-11.7
0 0 0
0
0 0 0 12.2
-36.5
-34.3 -34.3 -34.3 -34.3 -34.3
3.4
-34.3
-36.5 -30.0
-38.7 -38.7 -36.4 -36.4 -36.4 -36.4 -29.4 -29.4
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
IC101 : 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
IC102 : NJM4565M (TE1)
Dual operational amplifier
8
2, 6
3, 5
1, 7
4
V+
–INPUT
+INPUT
V–
OUTPUT
PHONES
SILENT CINEMA
OPERATION (5)
OPERATION (8)
OPERATION (6)
OPERATION (1)
OPERATION (7)
VIDEO AUX
AUDIO
PORTABLE
BD
DVD
TV CD RADIO
VIDEO
VOLUME
(Power)
YPAO
MIC
VFD DRIVER
Remote control
sensor
to DIGITAL_CB221
Page 78 B2
to MAIN (1)_W1
Page 83 J4
to OPERATION (4)_CB193
Page 82 C1
to OPERATION (2)_CB136
Page 82 F9
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 + 1.5 k + 2.2 k + 3.3 k + 4.7 k (22 k + 33 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 1.84 – 2.10 2.11 – 2.33 2.34 – 2.54 2.54 – 2.71
A/D value
(3.3V=255)
0 – 11 12 – 32 33 – 54 55 – 75 76 – 96 97 – 119 12 – 142 143 – 163 164 – 181 182 – 197 198 – 209
KEY2 (91 pin)
SCENE
RADIO
SCENE
CD
SCENE
TV
SCENE
BD/DVD
PROGRAM
>
PROGRAM
<
INPUT
>
INPUT
<
– (Power)
TONE
CONTROL
Ohm 0 + 1.0 k + 1.5 k + 1.8 k + 2.2 k + 3.3 k + 4.7 k + 8.2 k + 10.0 k
V 0 – 0.15 0.15 – 0.48 0.49 – 0.82 0.83 – 1.14 1.15 – 1.46 1.47 – 1.79 1.80 – 2.12 2.13 – 2.40 2.41 – 2.91
A/D value
(3.3V=255)
0 – 11 12 – 37 38 – 64 65 – 88 89 – 113 114 – 139 140 – 164 165 – 186 187 – 226
KEY1 (92 pin) STRAIGHT
TUNING
>>
TUNING
<<
AM FM
PRESET
>
PRESET
<
MEMORY INFO