Yamaha RX-V463, Руководство по обслуживанию

Страница: 97 / 122

CB301
IC308
IC309
IC301
W3001 W3002
IC304
IC307
IC307
IC307
IC307
IC307
IC307
IC311
IC307 IC307
CB304
W3003
CB302
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-V463/HTR-6140/DSP-AX463
97
★ 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 1/2
C-1
5.0
-5.0
0
0
8.5
-8.7
0 0
-5.0
0
0
0
0
0
0
0
0
0
0
0
0
5.0
5.0
0
2.5 2.6 0
5.0 2.5
5.0 5.0
0
5.0
2.5
0
5.0 5.0 0 5.0 0 2.0 2.0
5.0
0 0
1.7 1.7
0.5
1.0
5.0
5.0
0
5.0
0
0
0
0
0
0 0
0
0
0
0
0
-5.0
0
0
4.9
0
0
0
4.9
0
0
0
4.9
0
0
0
4.9
0
0
0
0
4.9
0
0
4.9
0
0
0
5.0 5.0
0
-5.0 -5.0
-4.9
0
0 -5.0
5.0
-5.0
0
0
8.5
-8.7
0 0
-5.0
0
0
0
0
0
0
0
0
0
0
0
0
5.0
5.0
0
2.5 2.6 0
5.0 2.5
5.0 5.0
0
5.0
2.5
0
5.0 5.0 0 5.0 0 2.0 2.0
5.0
0 0
1.7 1.7
0.5
1.0
5.0
5.0
0
5.0
0
0
0
0
0
0 0
0
0
0
0
0
-5.0
0
0
4.9
0
0
0
4.9
0
0
0
4.9
0
0
0
4.9
0
0
0
0
4.9
0
0
4.9
0
0
0
5.0 5.0
0
-5.0 -5.0
-4.9
0
0 -5.0
IC308 : KIA7805API
Voltage regulator
R1
R2
R3
R4
R5 R6
R7
R8
Z1
Q12
Q13
Q18
Q17
Q14
Q19
Q10
Q8
Q16
INPUT
OUTPUT
COMMON (GND)
Q15
Q11-1 Q11
Q2
Q3
Q4
Q5 Q9
Q7
Q1
Q6
R12
R19
R10
R9
R15
R14
R16
R21
R20
R22 R23 R17
R13
R11
R18
C1
1
3
2
Q1
D1
6.2V
D3
6.2V
Q2
D2
6.2V
Q6
Q7
Q9
Q13
Q15 Q20
Q21
Q11
Q10
Q16
Q12
Q17
Q18
Q19
R6
7K
R1
750
VIN
VOUT
R2
1K R3
6K
R4
20K
R8
20K
R9
20K
R13
5K
R16
0.05
R21
150
R5
15K
R10
3K
R11
10K
R18
4K R19
5K
R15
2K
R17
5.4K
R12
600 R14
15K R20
20K
R7
1.4K
Q8
Q4 Q5
Q14
20pF
10pF
Q3
IC309: KIA79M05PI-U
Voltage regulator
-5V
IC307 : LA73050-TLM-E
6-channel 75-ohm video driver
Serial 8-bits
latch
command
decoder
Horizontal
character
size
register
Horizontal
size
counter
+ parallel
converter
IC304 : LC74782JM-8A16-TLMC
The on-screen display controller LSI
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
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
IC301 : MM74HC4051SJX
8-channel analog multiplexer
16
11
10
9
7
VEE
8
GND
C
B
A
VCC
4
Y7
1
Y4 Y5 Y6
12
Y3
2 5 15
Y2
CHANNEL IN/OUT
14
Y1
13
Y0
COMMON
OUT/IN
6 INH
Logic
Level
Conversion
Binary
to
1 of 8
Decoder
with
INHIBIT
TG
TG
TG
TG
TG
TG
TG
TG
3
IC311 : 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
POINT C-1 XL301 (Pin 3 of IC304)
VIDEO (1)
VIDEO
DTV/CBL
OSD
BYPASS
SWITCH
OUTPUT AMP
to DSP_CB21
Page 86 M3
to VIDEO (2)_CB325
Page 98 C1
to DSP_CB32
Page 87 D3
to OPERATION (2)_W701
Page 94 B8
to OPERATION (8)_CB609
Page 93 M2