Yamaha RX-V861, Service Manual

Page: 104 / 143

IC388
IC383
IC386
IC385
IC387
IC381
IC384
IC383
IC382
IC381
IC382
IC384
IC389
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-V861/HTR-6080/DSP-AX861SE/DSP-AX861
104
VIDEO 2/3
0.2
0
0
0.2
0
-4.8 4.9
0
0
0
0
0
5.0
0 0
0.1
0
0
-2.8
-4.8
5.0
0
0
0
0
0
0
-4.8
5.0
0
0
0
0
0
0
0
0
0
-4.8
0
5.0
0
0
0
0
0
4.9
0
0
5.0
0
5.0
0
5.0
0
0.6
0
-4.8
0
-4.8
0
-4.8
0.6 4.9
0.6 0.1
0
0
0
0
0
0
-4.8
0
5.0
0
0
0
0
0
0
0
0.2
0
0
0.3
0
0
5.1
5.1
1.3
2.1
0
0.2
0.1
0.1
1.3
9.0
0
6.3
0
5.0
0
0
A-2
POINT A-2 Pin 9 of IC388
Destination Part List
DSP-AX861
sXX LOC J UC T K A B GE L UC G
s51 C3804-3815 US06410 X
0.01 (B)
s52 C3816-3818 US06080 X
8P (CH)
s53 C3831 US13510 X
C3834-3836 0.1/16
s54 CB381-384 WD39840 X
YKF45-3011
s55 D3801-3811 VT33290 X
D3814-3817 1SS355
s56 IC384 XS790A0 X
IC385 TC74HC4052AF
s57 Q3801 VV65500 X
Q3802 DTA114EKA
s58 R3813-3824 RD35510 X
100
s59 R3831, 3834 RD35710 X
R3835, 3848 10K
R3854, 3855
R3866, 3868
R3871, 3872
s60 R3836-3838 RD35475 X
75
s61 R3843 RD35715 X
15K
s62 R3844 RD35712 X
12K
s63 R3849 RD35633 X
3.3K
s64 R3858 RD35810 X
R
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
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X
X
X
X
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X
X
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X
X
X
X
X
X
X
X
100K
RX-V861/DSP-AX861SE HTR-6080
IC382, 386 : AD8056AR
Voltage feedback amplifiers
– +
OUT
1
–IN
1
–V
S
+V
S
OUT
1
2
3
4 5
+IN
1
–IN
2
+IN
2
– +
6
7
8
IC389 : MM74HC4053SJX
Triple 2-channel analog multiplexer
16
11
10
9
7
VEE
8
GND
C
B
A
VCC
5
CX CY
1
BY
3 2
BX
IN/OUT
13
AY
12
AX
6
INH
Logic
Level
Conversion
Binary to
1 of 2
Decoders
with
INHIBIT
Logic
Level
Conversion
Logic
Level
Conversion
Logic
Level
Conversion
Binary to
1 of 2
Decoders
with
INHIBIT
Binary to
1 of 2
Decoders
with
INHIBIT
TG
TG
TG
TG
TG
TG
OUT/IN
BX or BY
15
OUT/IN
CX or CY
4
OUT/IN
AX or AY
14
30 29 28 26 25 24 23 22 21 20 19 17
DAC3
SW
INV
SW
INV
SW
SYNC
SEPA
DAC1
SW
SYNC
SEPA
INV
SW
INV
SW
I 2 CBUS
Decoder
DV2-OUT
SW
DV1-OUT
SW
HD2-OUT
SW
HD1-OUT
SW
V-Input
SW
H/V-
FREQ
Counter
V-FREQ
DET SW
DAC2
SW
H-FREQ
DET SW
V
Integral
H-INPUT
SW
V C/D
V-FREQ
SW
Clamp
Pulse
HD
Polarity
H-AFC
HVCO
CP
SW
H-FREQ
SW
2 u fH
H-Ramp H C/D
TEST DAC3 DAC1
V-SYNC
DAC2
H/
SYNC
DAC3 D2-OUT VD1-OUT SYNC1-IN DAC1 SYNC2-IN Address SW SCL SDA HD2-OUT Digital GND HD1-OUT
HD2-IN VD2-IN HD1-IN VD1-IN Analog GND AFC Filter HVCO VCC DAC2 VD3-IN HD3-IN CP-OUT
27
NC
18
NC
1 2 3 5 6 7 8 9 10 11 12 14 4 13
16
NC
15
NC NC NC
IC388 : TA1318AF
SYNC processor, frequency counter IC for TV component signals
IC381, 383-385 : TC74HC4052AF
Analog multiplexer/demultiplexer
16
VCC
6
INH
10 A
9 B
8
GND
7 VEE
12 0X
14 1X
15
2X
11 3X
1
0Y
5 1Y
2 2Y
4 3Y
LEVEL
CONVERTER
BINARY TO 1-OF-4
DECODER WITH INHIBIT
SW
SW
SW
SW
SW
SW
SW
SW
13
X-COM
3 Y-COM
INHIBIT
0
0
0
0
1
B
0
0
1
1
X A
0
1
0
1
X
0x, 0y
1x, 1y
2x, 2y
3x, 3y
NONE
IC387 : NJM2581M
Video amplifier
13 VOUT1
11 VOUT2
9 VOUT3
8 GND
10 V+3
14 V+1
12 V+2
2 NEE1
4 VEE2
6 VEE3
7
PowerSave
5 VIN3
1 VIN1
3 VIN2
75
Driver 6dB
AMP
BIAS
75
Driver 6dB
AMP
BIAS
75
Driver 6dB
AMP
BIAS
REF
J model
OUTPUT
AMP
INPUT
SELECTOR
OUTPUT
SELECTOR
L3
SELECTOR
L1 L2 SELECTOR
FREQUENCY COUNTER
INPUT
SELECTOR
J model
J model
J model
J model
J model
J model
COMPONENT
VIDEO
D4
VIDEO
to VIDEO 3/3
to VIDEO 1/3