Operation - Yamaha RX-V861 Service Manual

A B C

OPERATION

1
2
3
4
5.0
-25.8
5
6
5.0
5.0
0.1
5.0
5.0 5.0
0.1
7
5.0
0
4.4
5.0
0.1
0.1
5.0 0.1 0.1
SCENE1 5.0 SCENE2 SCENE3 SCENE4
LED LED LED LED
(ORANGE) (ORANGE) (ORANGE) (ORANGE)
3.6 3.6 3.6
3.6
8
3.6
0.1
3.6
3.6
0
0
OPERATION (1)
9
Key detection for AD port
Key input (A/D) pull-up resistance 10 k-ohms
RX-V861 (U, C, R, T, K, A, G, E, L models), HTR-6080 (G model)
Ohm 0 +1.0 k +1.5 k +2.2 k +3.3 k +4.7 k
+1.0 k
V 0 - 0.23 0.24 - 0.64 0.65 - 1.06 1.07 - 1.55 1.56 - 2.09 2.10 - 2.62 2.63 - 3.06
KEY0 (133 pin) MAIN ZONE ON/OFF SCENE1 SCENE2 – – STRAIGHT TONE CONTROL
KEY1 (134 pin) Zone2 ON/OFF SCENE3 SCENE4 ZONE CONTROL AUDIO SELECT FM/AM A/B/C/D/E
HTR-6080 (U, C models), DSP-AX861 (J model)
10
Ohm 0 +1.0 k +1.0 k +1.5 k +2.2 k +3.3 k +4.7 k
V 0 - 0.23 0.24 - 0.64 0.65 - 1.06 1.07 - 1.55 1.56 - 2.09 2.10 - 2.62 2.63 - 3.06
KEY0 (133 pin) – SCENE1 SCENE2 – – STRAIGHT TONE CONTROL
KEY1 (134 pin) NIGHT SCENE3 SCENE4 SLEEP AUDIO SELECT FM/AM A/B/C/D/E
DSP-AX861SE (B model)
Ohm 0 +1.0 k +1.0 k +1.5 k +2.2 k +3.3 k +4.7 k
V 0 - 0.23 0.24 - 0.64 0.65 - 1.06 1.07 - 1.55 1.56 - 2.09 2.10 - 2.62 2.63 - 3.06
KEY0 (133 pin) – SCENE1 SCENE2 – – STRAIGHT TONE CONTROL
KEY1 (134 pin) – SCENE3 SCENE4 – AUDIO SELECT – –
D E F
-21.1 -25.9
-27.8 -25.9
-22.2 -13.1
FL DRIVER
-14.9 -24.1
-27.8 -13.1
-25.9 -15.1
-24.0 -15.1
IC401
-23.9 -22.2
-14.9 5.0
-16.8 2.2
-14.9
2.2
-26.0 -22.1 0
-25.9 0.3
-24.1 4.9
5.0 5.0
4.9
-26.0
-26.0
-26.0
4.9
-26.0
-26.0 -25.8
4.6 5.2
3.0 2.8
4.8
0
0
0
0 0
0
0.1
0 0
0
0
5.2 5.2
PURE DIRECT
LED
5.0
3.0
2.9
0
0
Page 105 B2
to VIDEO_CB301
+4.7 k +6.8 k +10.0 k +22.0 k
3.07 - 3.40 3.41 - 3.73 3.74 - 4.07 PURE DIRECT
SEARCH MODE /EDIT – SPEAKERS –
PRESET < PRESET > MEMORY DISPLAY
+4.7 k +6.8 k +10.0 k +22.0 k
3.07 - 3.40 3.41 - 3.73 3.74 - 4.07 PURE DIRECT
SEARCH MODE /EDIT – SPEAKERS PURE DIRECT
PRESET < PRESET > MEMORY DISPLAY
+4.7 k +6.8 k +10.0 k +22.0 k
3.07 - 3.40 3.41 - 3.73 3.74 - 4.07 PURE DIRECT
– – SPEAKERS PURE DIRECT
– – – –
G H
5.0
-22.2
-18.2
INPUT
SELECTOR
0 0
5.2 5.1
0
5.0
-16.9
-16.9
TONE
CONTROL
-21.2
-24.6
-28.0
2.6
0
0
0 0
0 0 0
0
0 0
0 0
0 0
0 0
5.2
W401 W402
Page 98 F2 Page 99 G8
to DSP_CB63 to FUNCTION (1)_CB221
I J K
OPERATION (4)
OPERATION (6)
5
VOLUME
4.3 1
2
0
4.3
0
OPTICAL
5.0
JK441
S VIDEO
0
0
0
0
VIDEO
VIDEO
AUX
L
AUDIO
R
OPERATION (5)
RX-V861, HTR-6080: G model
W403 MASTER
ON/OFF
CB451
OPERATION (2)
MAIN ZONE ON/OFF
CB403
CB426
(RX-V861, HTR-6080: G model)
STANDBY/ON
(HTR-6080: U, C models,
DSP-AX861SE: B model, DSP-AX861: J model)
CB452
W405
To POWER TRANSFORMER
AC4.9
5.1
0
8
11.7
2
0 0
0
IC402
1 3
0.8
0
0
7
IC402
11.1
4
-11.4
W404
IC401: M66003-0131FP-R
18 digit 5 x 7 segment VFD controller/driver
Display code
RAM CGROM
(35-bit x 166) 44
(8-bit x 60)
Segment 19
Code
output
write 17
circuit
CGROM 9
CS 2 Serial dot data (35-bit x 16)
data write
SCK 3 receive
Code/
circuit
SDATA 4 command
control 45
circuit
52
51
Segment/
code
50
select Digit
select/
XIN 7 49
Clock Display output
timing
generator clock scan pulse circuit
XOUT 6 controller 48
47
46
63
Digit
RESET
1 output
circuit
Vcc1 8 53
Vcc2 18
Vss 5
Vp 64
L M N
RX-V861/HTR-6080/DSP-AX861SE/DSP-AX861
5.0
IC441
4
5.0
3
W442
Page 97 E1
to DSP_CB46
Page 99 A4
to FUNCTION (1)_CB201
W441
0
0
0
0
0
4.8
JK431
PHONES
CB431
OPERATION (3)
OPTIMIZER
MIC
IC441: TC7SET32FU
2-input OR gate
IN B 1 5 V
CC
IN A
2
0 0
OUT Y
GND 3 4
0 0
5
4.9
6
2.9
IC402: NJM4565M
Dual operational amplifier
V+
8
2, 6
–INPUT OUTPUT
1, 7
+INPUT
3, 5
V–
4
SEG00
SEG25
SEG26
SEG34
SEG35
DIG11/
SEG42
DIG12/
SEG41
DIG13/
SEG40
DIG14/
SEG39
DIG15/
SEG38
DIG16/
SEG37
DIG17/
SEG36
DIG00
DIG10
101