Yamaha HTR-4064 Service Manual page 97

Hide thumbs Also See for HTR-4064:
Table of Contents

Advertisement

A
B
C
OPERATION 1/2
1
2
-33.9
-29.6
-31.7
-33.8
3
-35.2
-38.2
-33.8
-33.8
-33.4
-33.9
-36.0
3.3
3.3
-36.0
-36.9
-35.8
-28.2
-36.9
3.3
3.3
-35.9
-35.7
-36.0
-36.0
-36.0
-36.0
4
-35.9
-35.9
5
6
7
JK421
YPAO MIC
5.1
8
12.2
0
0
IC421
0
0
0
IC421
0
0
-11.7
0
0
0
0
9
OPERATION (2)
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
V
0 – 0.15
0.15 – 0.42
0.43 – 0.70
0.71 – 0.97
0.98 – 1.24
1.25 – 1.53
A/D value
0 – 11
12 – 32
33 – 54
55 – 75
76 – 96
97 – 119
(3.3 V=255)
KEY1
RADIO
CD
TV
BD/DVD
(171 pin)
(SCENE4)
(SCENE3)
(SCENE2)
(SCENE1)
10
Ohm
0
+ 1.0 k
+ 1.0 k
+ 1.5 k
+ 1.8 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
A/D value
0 – 11
12 – 32
33 – 54
55 – 77
78 – 99
100 – 121
(3.3 V=255)
KEY2
TUNING
TUNING
PRESET
DIRECT
AM
FM
(170 pin)
>>
<<
D
E
F
3.3
-31.8
-36.0
-31.6
-36.0
-33.9
-31.7
FL DRIVER
-33.9
-33.9
-33.9
IC401
-31.8
3.6
3.3
1.6
1.6
-36.0
0
-35.6
0
3.3
3.4
3.4
3.3
0
0
CB421
CB401
W4001
12.2
0
0
-11.7
3.3
0
(power)
0
3.4
3.4
0
Standby
0
indicator
2.0
2.0
0
0
+ 2.2 k
+ 3.3 k
+ 4.7 k
22.0 k
33.0 k
1.54 – 1.84
1.85 – 2.22
2.23 – 2.62
2.63 – 3.04
120 – 142
143 – 163
182 – 197
198 – 209
INPUT
INPUT
TONE
(Power)
>
<
CONTROL
+ 2.2 k
+ 3.3 k
+ 4.7 k
+ 6.8 k
+ 10.0 k
+ 22.0 k
+ 68.0 k
1.57 – 1.86
1.87 – 2.14
2.15 – 2.39
2.40 – 2.65
2.66 – 2.91
2.92 – 3.17
122 – 144
145 – 166
167 – 186
187 – 205
206 – 226
227 – 246
PRESET
PROGRAM
PROGRAM
MEMORY
INFO
STRAIGHT
>
<
>
<
G
H
OPERATION (1)
Page 102
K9
to VIDEO (5)_CB348
CB403
-29.3
-38.3
-29.3
VOLUME
W4002
W4201
3.3
-33.8
-33.4
CB404
W4003
CB431
3.3
3.3
0
0
3.3
3.3
3.4
3.4
0
0
3.3
0
0
0
0
-36.0
-30.0
-35.7
iPod/iPhone
-34.0
DIRECT
-38.4
OPERATION (3)
Remote control sensor
3.3
0
3.3
OPERATION (6)
OPERATION (7)
0
3.4
2.1
IC402
0
0
3.4
2.1
0
0
0
0
12.2
0
0
0
-11.7
3.3
0
0
3.4
0
0
Page 94
L6
to DIGITAL_CB64
IC421: NJM4565M (TE1)
IC451: R1172H501D-T1-F
Voltage regulator
Dual operational amplifier
V+
8
V
V
DD
4
5
OUT
2, 6
–INPUT
OUTPUT
1, 7
+INPUT
3, 5
Vref
Current Limit
CE
1
2
GND
V–
4
I
J
K
Page 93
L8
to DIGITAL_CB45
OPERATION (5)
5.6
5.6
IC451
0
0
0
0
0
0
0
0
5.6
0
USB
OPERATION (4)
0
0
0
0
JK441
PHONES
SILENT CINEMA
3.4
IC403
0
IC402
0
3.4
0
IC401: M66003-0131FP-R
18 digit 5 x 7 segment VFD controller/driver
Display code
RAM
(8-bit x 60)
(35-bit x 166)
Code
write
CS
2
Serial
dot data
data
write
(35-bit x 16)
receive
SCK
3
Code/
circuit
SDATA
4
command
Page 103
J8
control
circuit
to VIDEO (2)_CB390
code
select
XIN
7
Clock
timing
Display
generator
clock
controller
scan pulse
XOUT
6
Pin No.
Symbol
Description
1
CE
Chip Enable Pin ("H" Active)
2
GND
Ground Pin
RESET
1
3
NC
No Connection
Vcc1
8
4
V
DD
Input Pin
Vcc2
18
Vss
5
5
V
OUT
Output Pin
Vp
64
★ 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.
L
M
N
RX-V471/HTR-4064
5.2
5.2
0
3.3
W4301
3.3
0
Page 93
L2
0
to DIGITAL_CB44
0
5.6
W4251
to
chassis
CB442
3.4
0
Page 102
B2
0
to VIDEO (1)_W3401
0
VIDEO
VIDEO AUX
L
AUDIO
R
JK401
PORTABLE
CGROM
44
SEG00
IC402: TC7W14F
IC403: TC7SH08FU
Segment
19
SEG25
Schmitt inverter
2-input AND gate
output
17
SEG26
circuit
CGROM
9
SEG34
1A
1
8
V CC
IN B
1
5
V
CC
45
SEG35
DIG11/
52
SEG42
3Y
2
7
1Y
IN A
2
DIG12/
51
SEG41
Segment/
DIG13/
Digit
50
SEG40
select/
2A
6
3A
GND
3
4
OUT Y
DIG14/
3
49
output
SEG39
circuit
DIG15/
48
SEG38
DIG16/
GND
2Y
47
4
5
SEG37
DIG17/
46
SEG36
63
DIG00
Digit
output
circuit
53
DIG10
● 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。
97

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

Rx-v471

Table of Contents