Yamaha RX-V661, Руководство по обслуживанию

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CB301 CB302 CB303 W3001 W3002
JK301
JK302
JK303
IC309
IC309 IC308
IC309
IC309
IC309
IC312
IC311
IC307 IC306
IC310
IC310
IC305
IC309
IC309
IC308
IC308
IC308
IC308
IC303
IC302
IC301
IC304
IC308
IC308
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-V661/HTR-6060/DSP-AX761
100
★
All voltages are measured with a 10M
Ω
/V DC electronic voltmeter.
★
Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
VIDEO
5.0
0
0
0
0.1
0
4.9
0
0 0
0
0
0
0
0
-4.9
-4.9
0.9
0.2
-4.9
0.9
0 0.6
-4.9
0
5.0
0
0
0
0
0
0
4.9
0
0
4.9
0
0
0
4.9
0
0 4.9
0
0
0
0
0
0
0
-4.9
0
5.0
0
0.1
0
0
0
0
4.9
0
0
4.9
0
0
0
0.1
0.1
4.9
0
0
4.9
0
0
0.1
0.1
0
0
0.1
0.1
0
0
0.1
0.1
0
0
0 5.0
0
0.2
0
5.0
0
0
0.4
0
5.0
0
0.4
0
0
0
0
-4.9
0
0.4 0.7
0.4
0.6
0.9 0.4
0.4 0.6
5.0
0 0.6
-4.9 0.6
0
0.6
5.0
0
-4.9
-4.9
-4.9
-4.9
5.0
0
0 0
5.0 0 -4.9
-4.9
-4.9
-4.9
5.0 0
0 0
2.5
5.0
0
0
0 0 0
2.5
2.5
5.9
2.4
2.5
4.9
0
0
0
4.9
0
4.9
4.9
5.0
0
0
2.5 2.5
0
2.4
2.5
5.0 4.9
0
5.0
5.0 4.9
5.0 5.0
0
2.0
5.0
0 0
1.5 1.5
-4.9
5.0
4.9 3.3
3.3
0
4.9
4.9 1.8
1.8
0
4.9
3.3
3.3
3.3
4.5 3.0
3.3
4.5
4.9
0
0.7
0
1.8 0.8 3.3 3.3 3.3
0
1.8 0.9 0.9 1.6 3.3 3.3 3.3
3.3
3.3
3.3
0.6
0
3.1
0.8
0.1
0.1
0.1
0
3.3
3.3
3.3
3.3
0.1
0
1.1
0.6
1.8
0
0.3
0.1
0.2
0.1
3.3 3.3 3.0 3.0
0
1.8 1.6 0.1 0.1 1.6 0.1
1.3 3.3 3.3 3.3
0
1.5 0.7 3.0 3.0 3.3
0
0.1
0
3.3
3.1
1.6
0.1
0.1
1.6
0.1
0.1
0.1
0.8
3.3
0.4
0
3.3
0.4
0.4
3.3
3.3
0.4
0.2
2.1
3.3
0
1.3 1.3 3.1 0 3.3 0.1 0 3.3 3.3 3.3 0 1.6
3.3 4.9
3.0
IC312 : ADV7172KSTZ
Digital PAL/NTSC video encoder
8
8
10-BIT
DAC
R
SET1
COMP1
ADV7172/ADV7173
COLOR
DATA
P0
V REF
R SET2
COMP2
P7
DAC E
DAC F
DAC D
DAC A
DAC B
DAC C
BRIGHTNESS AND
CONTRAST CONTROL
+
ADD SYNC
+
INTERPOLATOR
10
LUMA
PROGRAMMABLE
FILTER
+
SHARPNESS
FILTER
SATURATION CONTROL
+
ADD BURST
+
INTERPOLATOR
10
PROGRAMMABLE
CHROMA
FILTER
10
8
8
8
REAL-TIME
CONTROL CIRCUIT
SCRESET/RTC
MODULATOR
+
HUE
CONTROL 10
10
10
10
10-BIT
DAC
10
10-BIT
DAC
10
M
U
L
T
I
P
L
E
X
E
R
Y
U
V
8
4:2:2 TO
4:4:4
INTER-
POLATOR
10 10
SIN/COS
DDS BLOCK
DAC
CONTROL
BLOCK
DAC
CONTROL
BLOCK
10-BIT
DAC
10
10
10
10
10-BIT
DAC
10
10-BIT
DAC
10
M
U
L
T
I
P
L
E
X
E
R
YUV TO
RBG
MATRIX
+
YUV
LEVEL
CONTROL
BLOCK
I 2 C MPU PORT
HSYNC
FIELD/
VSYNC
BLANK
TTX
TTXREQ
V
AA
RESET
TELETEXT
INSERTION BLOCK
YCrCb
TO
YUV
MATRIX
CLOCK CSO_HSO VSO CLAMP SCLOCK SDATA ALSB
VIDEO TIMING
GENERATOR
GND
PAL NTSC
36
35
34
33
32
31
30
29
28
27
26
25
13 14 15 16 17 18 19 20 21 22 23 24
1
2
3
4
5
6
7
8
9
10
11
12
48 47 46 45 44 39 38 37 43 42 41 40
PIN 1
IDENTIFIER
TOP VIEW
(Not to Scale)
ALSB
HSYNC
FIELD/
VSYNC
BLANK
GND
V
AA
P0
P1
P2
P3
P4
P5
P6
P7
CSO_HSO
V AA
GND
V
AA
SCLOCK
S
D
ATA
R
SET2
ADV7172/ADV7173
D
A
C F
COMP1
DAC A
V
AA
DAC B
V
AA
GND
V
AA
DAC C
DAC D
V AA
GND
DAC E
CLOCK GND V
AA
VSO RESET P
AL_NTSC
CLAMP TTXREQ SCRESET/R
TC
R
SET1
V
REF
COMP2
GND
TTX
A IN 1
A
IN
2
XTAL1
XTA L
A IN 3
A
IN
4
A IN 5
A
IN
6
ANALOG
VIDEO
INPUTS
AA
FILT ER
AA
FILT ER
AA
FILT ER
DIGITA L
PROCESSING
BLOCK
2DCOMB
VBISLICER
COLOR
DEMOD
SCLK SDAT A ALSB RESET PWRDWN
10-BIT,86MHz
ADC
REFERENCE
PLL ADLLTPR OCESSING
CLOCKPROCESSINGBLOCK
I 2 C/CONTROL
MUX BLOCK
FI
FO
OU
TP
UT
BL
OC
K
SHA A/D
HS
LLC
VS
SFL
INTRQ
P15TOP0
16-BIT
PIXELDATA
FIELD
GPO0TO GPO3
IC311 : ADV7180BSTZ
10-bit, 4 x oversampling SDTV video decoder
IC308, 309 : LA73050-TLM-E
6-channel 75-ohm video driver
IC304 : 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
IC307 : NJM2885DL1-18
Low dropout voltage regulator
V OUT V IN
GND
1 3
2
Bandgap
Reference
Thermal
Protection
IC306 : NJM2885DL1-33
Low dropout voltage regulator
V OUT V IN
GND
1 3
2
Bandgap
Reference
Thermal
Protection
4 1
6 2
COM 3
7 4
5 5
INH 6
VEE 7
GND 8
Vcc 16
2 15
1 14
0 13
3 12
A 11
B 10
C 9
IC301-303 : TC74HC4051AFEL
8-channel analog multiplexer/demulitiplexer
Logic
L
e
v
el
Con
v
er
ter
OUT C IN
OUT
C IN
A
B
C
INH
COM
0
1
2
3
4
5
6
7
IC305 : LC74782JM-8A16-TLM
The on-screen display controller LSI
IC310 : TC74VHCU04FT
Hex inverters
VCC
6A
5A
4A
6Y
5Y
4Y GND
3Y
3A
2A
1A
2Y
1Y
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Serial 8-bits
latch
command
decoder
Horizontal
character
size
register
Horizontal
size
counter
+
parallel
converter
Vertical
character
size
register
Vertical
size
counter
Horizontal
display
position
register
Horizontal
character
size
register
Horizontal
dot counter
31 inking
3nd inversion
control
register
31 inking
3nd inversion
control
register
31 inking
3nd inversion
control
register
Character
control
counter
Timing generator
Line
control
counter
31 inking
3nd inversion
control
register
Vertical
display
position
register
Vertical
dot counter
Horizontal
character
size
register Horizontal
character
size
register
Horizontal
character
size
register
Display
control
register RAM write
address
counter
Display RAM
Decoder
Decoder
Font RAM
Shift
register Character output
control
Background control
Video output control
Synchronization
signal generator
13 15 5 2 4 21
22
20
19
18
17
3
7
6
12
24
23
10
11
9
1
8
INPUT
SELECTOR
OUTPUT AMP
OUTPUT AMP
BYPASS
SWITCH
OSD
RECOUT AMP
S-DETECTOR
A/D
DECODER
A/D
ENCODER
VIDEO
to MAIN (2)_W110
Page 99 J9
to FUNCTION (5)_CB296
Page 97 G6
to DSP_CB88
Page 95 K4
to DSP_CB43
Page 93 D2
to FUNCTION (1)_CB202
Page 96 B4
VIDEO/
S VIDEO
RST
CTRL3
CTRL2
SEP
IN
SYN
IN
CV IN
CV OUT
SEP
OUT
SEPC
VDD1
VDD1
NC
1
2
3
4
24
23
22
21
Xtal IN
Xtal
OUT
CTAL1
BLANK
OSCIN
CHARA
SCLK
SIN
VDD2
CS
OSC OUT
VSS1
5
6
7
8
9
10
11
12
20
19
18
17
16
15
14
13