Yamaha HTR-5063 Service Manual page 102

A B C
RX-V567/HTR-5063
VIDEO 1/3
1
Page 104
2
AV 1
COMPONENT
VIDEO
3
AV 2
4 AV 3
AV 4
VIDEO
AV 5
5
AV 6
AV OUT
6
7
8
COMPONENT
VIDEO
MONITOR OUT
9
VIDEO
10
102
D E F
H6
to VIDEO (8)_CB354
(J model)
0
0 5.0
0
0
0
0 4.8
0
0 -5.8 4.8
0 4.8
0
0
0
IC301
0
5.0
0
0
0
0
0 0
0
-5.8 0
0
0 0
5.0
0
-5.8
0
5.0
0
CB301
0 0
-5.8 0
0
0
0
0 0
0
0 0
0
0 0
5.0
0
0
IC305
0
0
0.3 0
5.0 0
3.4 4.8
5.0 0
3.4 0
0 4.8
5.0 5.0
5.0
5.0
5.0 0
0 0
0 0
EXTERNAL I/O PORT
0 0
-5.8
0
4.8 0
0 0
0 0
0 0
0 0
5.0 0
OUTPUT
INPUT
AMP
SELECTOR
0 0
0 -5.8
5.0 0
0 -5.8
5.0 0
0 -5.8
5.0 0
0
0
IC305 0
5.0
G H I
OSD
F
IC309
5.0
0
0
IC310
0
IC304
5.0
0
0
0 IC310
0
5.0
5.0
0
0
IC310
0
0 0
-5.8
IC305
0.3
-1.2
-5.8
IC302 0
0 0
0
IC302 0
0
0
0 0
IC302
IC301
0 0
0
J K L
POINT F XL301 (Pin 2 of IC309)
5.0
-0.2 5.0
-0.5
-1.2
-0.8
-0.6 0.3
3.8 5.0
3.7 5.0
IC301-303: TC74HC4053AF
Analog multiplexer/demultiplexer
INHIBIT VCC
6 16
A 11
LEVEL
B 10
CONVERTER
C 9
8
GND
VEE 7
12 SW
0X
1X 13
0Y 2
1Y 1
0Z 5
0 0 0
3
5.0 5.0 5.0
INPUT STATES
"ON" CHANNEL (S)
INHIBIT C B A
0 0 0 0
0 0 0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
5.0
0 1 1 1
0.3
1 X X X
5.0
3.4
3.4
0
Page 99 I10
0
5.0
to OPERATION (2)_CB459
0
0
0
0
CB303
NEE1
PowerSave
IC309: LC74782JM-8A16-TLMC
The on-screen display controller LSI
9 Serial 8-bits
latch
11 parallel +
command
converter
10 decoder
23
24
1
12
8
Horizontal
6
character
size
7 register
17 Horizontal
character
18
size
19 register
20
22
0
0
0 Page 97 H1
0
to DIGITAL_CB72
5.0
CLK#
0
CB304 CB305
RES#
VIDEO (1)
★ 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.
M N
IC305: LA73050-TLM-E
6-channel 75-ohm video driver
BINARY TO 1-OF-8
DECODER WITH INHIBIT
14 X-COM
SW
SW
15 Y-COM
SW
SW
Z-COM
4
SW
0X, 0Y, 0Z
1X, 0Y, 0Z
0X, 1Y, 0Z
1X, 1Y, 0Z
0X, 0Y, 1Z
1X, 0Y, 1Z
0X, 1Y, 1Z
1X, 1Y, 1Z
NONE
IC306: NJM2581M
Video amplifier
IC307: TC74HC4051AFEL
8-channel analog multiplexer/demultiplexer
75
VIN1 1 6dB V+1
AMP Driver 14
COM
OUT C IN 0
BIAS
2 13 VOUT1
1
A
2
6dB 75
VIN2 3 12 V+2
AMP Driver
3
B
BIAS
VEE2 11 VOUT2 4
4
5
C
6dB 75
VIN3 5 Driver 10 V+3 6
AMP
OUT C IN 7
INH
BIAS
VEE3 6 9 VOUT3
4 1 16 Vcc
7 REF 8 GND
6 2 15 2
COM 3 14 1
7 4 13 0
5 5 12 3
INH 6 11 A
V EE 7 10 B
GND 8 9 C
Horizontal Vertical Horizontal Vertical 31 inking Display RAM write
character display
character display 3nd inversion control address
size size position position control
register counter
register register register register register
31 inking
Horizontal Vertical
size size Horizontal Vertical 3nd inversion Display RAM
dot counter
counter counter dot counter control
register
31 inking 31 inking
3nd inversion 3nd inversion
control control
register register
VSS1 1 24 VDD1
Xtal IN 2 23 RST
Character Line Decoder
3 22
control control Xtal OUT CTRL3
counter counter
CTAL1 4 21 CTRL2
Horizontal
BLANK 5 20 SEP IN
character
size Font RAM
register OSCIN 6 19 SEP OUT
OSC 7 18
OUT SEPC
Character output Shift CHARA 8 17 SYN
Timing generator Synchronization IN
control register
signal generator Background control
CS 9 16 VDD1
Horizontal Video output control
character 10 15
SCLK CV IN
size
register SIN 11 14 NC
VDD2 12 13 CV OUT
21 4 2 3 5 15 13
IC308: LC709004A-TLM-E IC310: FHP3350IM14X
I/O-expander for microcontroller Triple voltage feedback amplifier
NC or DISABLE1 1
14 OUT2
DIN 2 Serial/parallel converter/shift register 14 DOUT
NC or DISABLE2 2 13 -IN2
3 15 VDD 3
NC or DISABLE3 12 +IN2
19 VSS
CS# 4 +Vs 4 11 -Vs
5
+IN1 10 +IN3
21 I/O control/output register -IN1 6 9 -IN3
7 8 OUT3
OUT1
port 0 I/O buffer port 1 I/O buffer
24 17 15 8
● 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。