Yamaha RX-V2065 - AV Network Receiver, Руководство по обслуживанию

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A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V2065/HTR-6295
130
OPERATION 1/2
★
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.
CB401 CB402
CB403
CB404
W4405
W4404
JK471
CB476
IC401
IC401
JK401
IC402
W4407
CB475
W4406
CB477
JK472
CB474
CB471
-29.9 -29.9
-35.2 -35.2 -35.2 -35.2 -35.2 -35.2 -35.2 -35.2 -35.2 -35.2 -35.2 -35.2 -35.2 -35.2
-35.1 -35.0 -35.1 -35.2
-37.3 -35.1 -33.0 -30.9 -31.0 -30.8 -31.0 -33.0
-30.9 -29.9 -29.9
-33.0 -33.0 -33.0 -33.0 -33.0 -33.0 -30.9 -33.0 -33.0 -28.8 -35.2 -33.0 -31.0 -35.0 -33.1 -33.1 -30.9
-31.0
-35.1 -35.1 -33.0 -35.2 -35.2 -35.2
-35.0 -35.0
-28.9
-35.2
-33.1
-33.0
3.3
-33.0
-33.0
-33.0
-33.0
-33.0
-33.0
-33.0
-30.0
1.5
3.1
3.3
3.3
-35.1
3.3
-35.0
-35.2
-35.2
3.3
3.3
2.0
-29.9
-32.0
-37.6
5.1
0
12.0
11.8
0
0
0
0
0
0
0
0
12.0
-11.7
0
0
5.0
2.9
2.9
3.3
-31.0
-30.9
3.3
-31.0
-30.9
3.3
-35.1
-35.0
3.3
-35.1
-35.0
2.0
0
0
12.0
12.0
0
0
12.0
0
0
0
0 0
0
0
3.3
-35.2
-35.2
-35.1
3.3
-35.1
1.5
0
0
1.5
-30.9
-33.1
-35.0
-35.0
-33.0
-35.2
-35.2
-35.2
-35.0
-35.1
-37.3
-28.9
-30.9
-33.0
-35.2
-35.1
-30.8
-30.9 -31.0 -31.0 -28.8 -31.0 -31.0 -35.1 -33.0 -35.2 -33.0 -35.2 -35.2
-35.2 -35.2 -35.2 -35.2 -35.2 -35.2 -35.2 -35.2 -35.2 -35.2 -35.2 -35.2 -35.2 -35.2 -37.5
3.3
3.3
0
0
0 0 0
0
3.3 3.3 3.3 3.3 0 3.3 0
-11.6 12.0 0 0 0
0
0
0
0
0
0
-37.7 3.3 0 0 -29.9 -29.9
0 0
0 3.3 5.0 3.3
3.3
3.3 3.3
0 4.9
3.3 3.3 3.3 3.3
-29.9
-29.9
0
0
3.3
-37.5
0
0
0
0
0
0
0
0
0
0
5.0
0
0
3.3
0
0
0
0
0
0
0
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
IC402 : 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
IC401 : NJM4565M
Dual operational amplifier
8
2, 6
3, 5
1, 7
4
V+
–INPUT
+INPUT
V–
OUTPUT
VIDEO
AUDIO
USB
PHONES
VOLUME
OPTIMIZER
MIC
SCENE
HDMI
THROUGH
indicator
PURE
DIRECT
indicator
VIDEO
AUX
OPERATION (3)
OPERATION (5)
OPERATION (4)
OPERATION (10)
OPERATION (6)
OPERATION (1)
MAIN ZONE
ON/OFF
BD/DVD
ZONE
CONTROLS
INFO MEMORY
ZONE2 ZONE3
T model
C, R, T, K, A, B, G, E, F, L models
TV
CD
INPUT
PROGRAM
FL DRIVER
TUNING/CH
BAND
BAND
U model
U, C, R, K, A, B, G, E, F, L models
to DIGITAL (1)_CB20
Page 124 B2
to OPERATION (2)_CB461
Page 131 I5
to VIDEO (6)_CB333
Page 135 L7
to VIDEO (1)_W3401
Page 135 A3
to GUI_CB550
Page 138 D9
Ohm 0 +1.0k +1.0k +1.5k +1.5k +2.2k +3.3k +4.7k +22.0k +33.0k
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 – 2.1 2.34 – 2.55 2.55 – 2.97
A/D value
(3.3 V=255)
0 – 11 12 – 32 33 – 54 55 – 75 76 – 95 96 – 118 119 – 142 143 – 162 181 – 197 198 – 229
KEY1
(133 pin)
SCENE
RADIO
SCENE
CD
SCENE
TV
SCENE
BD/DVD
ZONE2
ON/OFF
ZONE3
ON/OFF
— —
MAIN ZONE
ON/OFF
TONE
CONTROL
Key detection for A/D port
Key input (A/D) pull-up resistance 10 k-ohms
RX-V2065/HTR-6295
Ohm 0 +1.0k +1.0k +1.5k +1.8k +2.2k +3.3k +4.7k +6.8k +10.0k
V 0 – 0.15 0.15 – 0.42 0.43 – 0.70 0.71 – 0.99 1.0 – 1.27 1.28 – 1.56 1.57 – 1.86 1.86 – 2.14 2.14 – 2.4 2.4 – 2.65
A/D value
(3.3 V=255)
0 – 11 12 – 32 33 – 54 55 – 77 78 – 98 99 – 120 121 – 143 144 – 165 166 – 185 186 – 205
KEY2
(134 pin)
PURE
DIRECT
STRAIGHT /
EFFECT
ZONE
CONTROLS
INFO
PRESET
<
PRESET
>
MEMORY
BAND/
CATEGORY
TUNING CH
<
TUNING CH
>