Yamaha HTR-6150 Service Manual page 95

A B C
VIDEO 1/2
1
Page 92 B8
to OPERATION (2)_W701
IC308
2
8.5
5.0
0
0
-8.7 -5.0
IC309
3
4
5
JK302
6
DTV/CBL
JK303 SELECTOR
7
8
JK301
S VIDEO
9
10
D E F
Page 91 M2 Page 85
to OPERATION (8)_CB609
0 0
0 -5.0
0
0
0 0
0 0
0 0
0 0
0
5.0
0
0
-5.0
0
0 0
0
0
0 0
0 0
0
0
5.0 0
0
0 0
IC307
0
-5.0
0
4.9
0
0 0
0 0
0 0
0
0 0 4.9
0
IC307
0
0 0
INPUT 5.0 0
0
0 IC307
4.9
0
0
4.9
0
IC307
0
0
IC307
0
4.9
0
0
4.9
0
IC307
0
OUTPUT AMP
G H
B3
to DSP_CB32
5.0
1.7 5.0
0.5
1.0
0
IC304
C-1
OSD
IC305
4.9
2.5
2.5 2.5 2.5 2.5
0
2.2
0 0
-5.0
IC305
0 4.9 4.9 0
0 0
0
0
0
0
-5.0
0
0.9
S-DETECTOR
0.3
-5.0
0 0
0
0
0
0
0
0 0
BYPASS
0
0
5.0
0
SWITCH
0 0
0 -5.0
0 0
0 0
0 0
0
0
0 0
5.0 0
IC310
IC307
IC307
IC305: TC74VHCU04FT
IC301-303: MM74HC4051SJX
8-channel analog multiplexer Hex inverters
1A 1 14 VCC
CHANNEL IN/OUT
1Y 2 13 6A
VCC Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0
16 4 2 5 1 12 15 14 13
2A 3 12 6Y
TG
2Y 4 11 5A
TG
A 11
3A 5 10 5Y
TG
Binary TG
B 10 COMMON 3Y 6 9
to 3 4A
Logic OUT/IN
1 of 8 TG
Level Decoder
Conversion
with GND 7 8 4Y
C 9 INHIBIT TG
TG
6 TG
INH
8 7
GND VEE
I J K
Page 84 M3
to DSP_CB21
CB303
CB304
Page 96 C1
to VIDEO (2)_CB325
W3003
4.9
IC308: KIA7805API
Voltage regulator
R22
R1 Q11
Q12
Q14
Q17
R19
-5.0 R12
Q18
0 Q1
R18
R11
R7
Z1
R2
Q2
R3
Q13
Q4
Q3
R13
R4
R5
IC309: KIA79M05PI-U
Voltage regulator
R7
1.4K
Q7
R6
7K
D1 D2
6.2V 6.2V R5
15K
Q6
Q2
Q1
Q4
Q3 Q5
R1 R2
750 1K
V
IN
IC304: LC74782JM-8A16-TLMC
VIDEO (1) The on-screen display controller LSI
9 Serial 8-bits
latch
11 parallel +
converter command
decoder
10
23
24
1
12
8
Horizontal
character
IC310, 311: TC74HC4052AF
size
Horizontal
6 register
Analog multiplexer/demultiplexer character
size
7
register
INH VCC
6 16
17 Horizontal
INHIBIT B A Horizontal
character character
18
0 0 0 0x, 0y size size
A 10 LEVEL BINARY TO 1-OF-4
0 0 1 1x, 1y register register
CONVERTER DECODER WITH INHIBIT 19
B 9 0 1 0 2x, 2y
GND 8
0 1 1 3x, 3y 20
VEE 7
1 X X NONE
22
0X 12 SW
1X 14 SW
X-COM
13
2X 15 SW
3X
11 SW
0Y 1 SW
1Y 5 SW
3 Y-COM
2Y 2 SW
3Y 4 SW
L M N
RX-V563/HTR-6150/DSP-AX563
POINT C-1 XL301 (Pin 3 of IC304)
IC307: LA73050-TLM-E
6-channel 75-ohm video driver
1 INPUT
R17 R23
Q11-1
Q15
Q16
R14
R10 R15
Q19 R16
3 OUTPUT
Q6 R20
R9
C1
Q10
R21
Q7
Q5 Q9 Q8
R6 R8
2 COMMON (GND)
-5V
Q8
R18
R19
4K 5K
Q10
Q9
R17
Q11
Q12 5.4K
Q17
V OUT
Q16 Q18
D3
R10 Q19
6.2V
3K R11
10K R15
2K
Q13
R20
R12 R14
10pF 20K
20pF 600 15K
R4
20K Q14 Q15 Q20
Q21
R8 R9 R13 R21
R3 R16
20K 20K 5K 150
6K 0.05
Horizontal Vertical Horizontal Vertical 31 inking Display RAM write
character character display display 3nd inversion control address
size size position position control register counter
register register register register register
Horizontal Vertical 31 inking
Horizontal Vertical 3nd inversion
size size Display RAM
dot counter dot counter control
counter counter
register
31 inking 31 inking
3nd inversion 3nd inversion
control control
register register
VSS1 1 24 VDD1
Decoder Xtal 2 23 RST
Character Line IN
control control
counter counter Xtal OUT 3 22 CTRL3
4 21
CTAL1 CTRL2
Font RAM BLANK 5 20 SEP
IN
OSCIN 6 19 SEP OUT
OSC OUT 7 18 SEPC
Character output
Synchronization Shift
Timing generator control register CHARA 8 17 SYN
signal generator IN
Background control
Video output control CS 9 16 VDD1
SCLK 10 15 CV IN
11 14
SIN NC
VDD2 12 13 CV
OUT
21 4 2 3 5 15 13
# All voltages are measured with a 10MΩ/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.
95