Schematic Diagram (Video) - Yamaha RX-V3300 Service Manual

A B
RX-V3300/DSP-AZ2

SCHEMATIC DIAGRAM (VIDEO)

1
IC601, 611: TK15420M
Video Amp
OUT A 1 8 VCC
–IN A 2 7 OUT B
+ – + –
+IN A 3 6 –IN B
4 5
VEE +IN B
IC608: TC74HCU04AFEL
Hex Inverters
1A 1 14 VCC
1Y 2 13 6A
2
2A 3 12 6Y
2Y 4 11 5A
3A 5 10 5Y
3Y 6 9 4A
GND 7 8 4Y
Page 76 C8 Page 76 C8
to FUNCTION to FUNCTION
3
4
5
C-INPUT SELECTOR
0 13
4.7
0 14
15
0
0 4 0 4.8
0 1 0
-4.9
0 5 0
0 2 0
0 6 3
0
Y-INPUT SELECTOR
4.7
6
0 13
0 14
15
0
0 4.8
0 4
-4.9 0
0 1
0 0
0 5
0 2
3
0 6
0
C-REC OUT SELECTOR
4.7
0 13
0 14
0 15
0 4 0 4.8
0 1 -4.9 0
0 5 0 0
0 2
3
0 6
0
Y-REC OUT SELECTOR
4.7
0 13
0 14
7 0 15
0 4 0 4.8
0 1 -4.9 0
0
5 0 0
0 2
0 6 3
0 4
0
0 5
4.7
4.7
0
0 0
1
-0.8 4.7 0 0 0.8 1.2 4.3 4.3 4.7
-0.8
0 0 0 0 0 -4.9 0
0
0 7
8
# All voltages are measured with a 10MΩ/V DC electric volt meter.
# 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.
9
78
C D E
0
5.0 11.5 4.9
0
5.0
0
4.9 5.0
5.6
4.9 0
0 0
5.0 0 4.7
4.9
4.9 5.6
0
0
0
Page 77 H6
to OPERATION (3)
4.7
-0.1 3
8
1 0 5
2
-0.1 0 3 4 0
-0.1
4.7
0 4.3
-4.9 4.3
0 4.7
0 12 14 0
0
6
7 0
13
5
0 0
4
-4.6
0 2
0 0
0 12
0 14 13 0
0 4.7
4.7
0 -0.1
3.9 0
0 -0.1
0 4.7
0 0
-4.9 -0.1
-4.9 3.7
0 -4.7
0 0
0 -4.9
-4.9
-4.9
-4.9 -4.9
0 4.7
0 1
0 -0.1
0 3 2 0
3.5 0
0 -0.1
0 4.7
-4.9 -0.1
0 4.7
0 -4.9
6 0
4.7
8 3 0 4.7 4.7 4.7
2 0
0.7 0
1.2
0.07 0.7 0.1 0.7
0
3.7
6 0
5 0
4
-4.9
F G
0 4.9
0 0
0 0 INPUT
0 0
SELECTOR
0 0
0 4.8
-5.0
0
0 0
0
REC OUT/
0 0
0 0
ZONE2
0
0
SELECTOR
0 0
2 1
4.9
0 0
4 3
15
0
0 0
5
0
-5.0 0
0 0 0 0
8 6
9
0
4 0
0 11
0 6 0
10
3.5 7 0
13
0 0 8 0
12
3.5
4.9 4.9
0.8
0
1 0
0 0
0 15
2
0
3
0
4.9
0
4.7 14
2.5
1 2 3 4 5 6
2.5 2.5 2.5 2.5
S-SIGNAL DETECTOR
0
0 0 8 9 10 11 12 13
4.3
0 4.7
7
4.7
0 0
4.7 3.7 4.2
0
SYNC SIGNAL DETECTOR
4.7
4.0
0.7
0.9 -0.1
4.0 0.5
0.9
0.2 -0.6
1.6
-0.6
-0.5
0
5
ON
SCREEN
H I
IC582: M62320FP
I/O Expander
16 15 14
SCL 2
2 I C Bus Interface
SDA 3
Shift Register
Output Data Input/Output
8 8 8
Output I/O Setting I/O Setting
Data Latch Register Register
8 8 8
Reset Input Data
VDD 13 Power On
I/O Port
Reset
GND 8
12 11 10 9 7 6 5 4
IC602~605: MM74HC4051N
IC702, 703: MM74HC4051SJX
8-Channel Analog Multiplexer
IN/OUT
VCC Y7 Y6 Y5 Y4 Y3
16 4 2 5 1 12
A 11
10
B
Logic Binary to 1
Level of 2 Decoders
Conversion with INHBIT
C 9
INH 6
8 7
GND VSS
IC606, 607: MM74HC4053N
IC612, 704: MM74HC4053SJX
Triple 2-Channel Analog Multiplexer
IN/OUT
VCC CY CX BY BX AY
16 3 5 1 2 13
Logic Binary to 1
A 11 Level of 2 Decoders
Conversion with INHBIT
Logic
B 10 Level
Conversion Binary to 1
of 2 Decoders
with INHBIT
Logic
4
C Level
Conversion
Binary to 1
Logic
9 of 2 Decoders
INH Level
with INHBIT
Conversion
8 7
GND VSS
IC609: LA7109
75Ω Video Driver
VIN1+ +VCC1
1 36
NFB1 2 6dB DR 35 VOUT1
3
MUTE1 34 GND
VIN2+ 4 33 VOUT2
6dB DR
NFB2 DR CTL2
5 32
-VCC1 6 31 VOUT3
7
VIN3+ 6dB DR 30 MUTE4
Cb Y
NFB3 8 29 -VCC4
SELECTOR SELECTOR
N.C. 9 28 N.C.
N.C. 10 27 N.C.
4.9 0 4.9
VIN4+ 11 11 26 +VCC2
0 0 -5.0 0 26
0
0 0 4.9
NFB4 12 VOUT4
0 0 6dB DR 25
-5.0 0
0 0.6 0 4.9
0 0 -5.0 0
MUTE2 13 24 GND
-5.0 0 4.9 0
0
VIN5+ 14 23 VOUT5
4.8
6dB DR
NFB5 15 22 DR CTL1
-VCC2 16 21 VOUT6
VIN6+ 17 6dB DR 20 MUTE3
NFB6 18 19 -VCC3
IC701: LA7108M
Video Amp
GRAY COLOR/
SUPER IMPOSE
VIN1+ 1 16 +VCC
0.7
0.2
NFB1 2 VOUT1
6dB DR 15
0.7 0
0.7
4.9 1.3 -5.0
4.8 MUTE1 3 14 GND
0 0
0 0.5
0.8 0.8
0.8 0
VIN2+ VOUT2
0 0.6 4 13
0 1.1
4.5 1.3 6dB DR
4.9 0.7
NFB2 5 12 MUTE2
1.1 0.3
IC705: BU2092
0.8 0
-VCC1 6 11 VOUT3 Serial In/Parallel Out Driver
VIN3+ 7 6dB DR 10 MUTE3 Vss 1
DATA 2
Cr SELECTOR
NFB3 8 9 -VCC2
CLOCK 3
0 5.8
LCK 4
0 0
0 0
Q0 5
0 0
Q1 6
0 0
0 0 Q2 7
-5.0 0
0 4.8 Q3 8
Q4 9
IC752: NJM2581M
Video Amp
6dB 75Ω
VIN1 1 14 V+1
AMP Driver
BIAS
2
NEE1 13 VOUT1
D4-VIDEO 6dB 75Ω
VIN2 3 12 V+2
AMP Driver
SELECTOR
BIAS
VEE2 VOUT2
4 11
6dB 75Ω
VIN3 5 10 V+3
AMP Driver
BIAS
VEE3 6 9 VOUT3
7 REF
PowerSave 8 GND
J K
1 SO
Y2 Y1 Y0
15 14 13
TG
TG
TG
TG
COMMON
3
OUT/IN
TG
TG
TG
TG
AX
12
OUT/IN
AX or AY
TO
YG
OUT/IN
BX or BY
TG
TB
OUT/IN
CX or CY
TC
TG
x: NOT USED
O: USED / APPLICABLE
IC610: LC74781-9798
On Screen Display Controller
CS 9
8-bits
Serial
latch
SIN 11 +
parallel
command
converter decoder Horizontal Vertical Horizontal Vertical Blinking RAM
SCLK 10
Display
character character display display and inversion write
control
size size position position control address
register
register register register register register counter
RST 23 Blinking
Horizontal Vertical Horizontal Vertical
Display
and inversion
size size dot dot
control RAM
counter counter counter counter
circuit
VDD1
24
Blinking Blinking
and inversion and inversion
VSS1 1
control control
register register
VDD2 12
CHARA Character Line Decoder
8
control control
counter counter
Horizontal
character
Font
size
RAM
Horizontal
OSCIN 6 register
character
size
OSCOUT 7
register
Character output control
Synchronization Shift
Timing generator Background control
signal generator register
SYNIN 17 Horizontal Video output control
Horizontal
character
SEPC 18 character
size size
register
SEPOUT 19 register
SEPIN 20
CTRL3 22
4 21 2 3 5 15 13
CTRL1 CTRL2 XtalIN XtalOUT BLANK CVIN CVOUT
IC751, 753~755: TC74HC4052AF
Analog Multiplexer/Demultiplexer
INH VCC
18 VDD 6 16
17 OE
LEVEL BINARY TO 1-OF-4
Control 16 Q11 A 10
Circuit
B CONVERTER DECODER WITH INHIBIT
15 Q10 9
GND 8
14 Q9
VEE
7
13 Q8
0X 12 SW
12 Q7
1X 14 SW
11 Q6 13 X-COM
2X 15 SW
10 Q5
3X 11 SW
0Y SW
1
1Y SW
5
3 Y-COM
2Y SW
2
3Y SW
4
INHIBIT B A
0 0 0 0x, 0y
0 0 1 1x, 1y
0 1 0 2x, 2y
0 1 1 3x, 3y
1 X X NONE
Point 3 Pin 3 of IC610
L