Yamaha RX-V675 Service Manual page 139

A B C
OPERATION 2/3
1
2
n o _ u s e
C B 3 4 1
D _ Y
V E
3
D _ P b
V E
D _ P r
D _ L 3
L 3 _ D E T
P J 3 4 1
COMPONENT
C 3 4 0 6
A V 1 _ Y A V 1 _ Y
4 VIDEO
A V 1
AV 1 1 0 / 1 0
Y
A V 2
AV2
C 3 4 0 7 A V 2 _ Y A V 2 _ Y
1 0 / 1 0
C 3 4 0 8
A V 1 _ P b A V 1 _ P b
AV 1 A V 1 1 0 / 1 0
P b
A V 2
AV2
C 3 4 0 9
A V 2 _ P b A V 2 _ P b
5 1 0 / 1 0
C 3 4 1 0
A V 1 _ P r A V 1 _ P r
AV 1 A V 1
1 0 / 1 0
P r
AV2 A V 2
C 3 4 1 1
A V 2 _ P r A V 2 _ P r
1 0 / 1 0
R J - 1 1 4 6 + 0 8 - 0 H 0 0
VIDEO P J 3 4 3
A V 5
1 0 / 1 6
AV5 A V 5 _ V
C 3 4 1 2
6
A V 6
AV6
1 0 / 1 6 A V 6 _ V
C 3 4 1 3
M S P - 2 5 2 V 2 - 0 7 N I
P J 3 4 4
A V O U T
AV OUT T P 3 1 5
MONITOR OUT
M O N O U T
T P 3 1 6
7
M S P - 2 5 2 V 2 - 0 7 N I
L P R 6 5 2 0 - G 0 1 0 F M
T P 3 1 7
Y
1
COMPONENT
VIDEO
MONITOR OUT T P 3 1 8
P b
2
M O N O U T
4
8
T P 3 1 9
P r
3
P J 3 4 2
9
10
★ 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.
D E F
RX-A730
Page 138 H10 Page 140
to OPERATION (1)_CB305 to OPERATION (4)_CB383
t o O P E ( 1 )
t o O P E ( 4 )
P N 3 4 1
n o _ u s e
V - A U X
C 3 4 1 4
1 I N C 3 4 2 1
R 3 4 2 7
2 2 / 1 6 O U T
R 3 4 1 5 1 3
1 0 0
I C 3 4 5 4 . 7 / 6 . 3
0
N J M 4 1 0 3 3 V C 3 4 2 2
2 V G N D R 3 4 2 8
+ 3 . 3 V
1 0 0
4 . 7 / 6 . 3
C 3 4 2 3
N C
D 3 4 0 1 n o _ u s e
D 3 4 0 2
V + G N D n o _ u s e 4 I N 6 I N
O U T O U T
1 1 9
n o _ u s e I C 3 4 5 I C 3 4 5
N C N J M 4 1 0 3 3 V N J M 4 1 0 3 3 V
5 V G N D 7 V G N D
N C
V E
T P
+ 3 . 3 V
- 3 . 3 V
1 0 0 / 1 6
C 3 4 4 0
1 0 0 / 1 6
C 3 4 3 9
C 3 4 1 7
0 . 1 / 1 6
R 3 4 1 7 7 5 V -
A D _ P r 0 . 1 / 1 6 V + C 3 4 4 1
M O N _ P r R 3 4 1 8 7 5 B I A S P R 2 N C
R 3 4 1 9 7 5 P R O U T
A D _ P b P S
0 . 1 / 1 6 0 . 1 / 1 6
R 3 4 2 0 7 5 B I A S P B 2 C 3 4 4 2
M O N _ P b Y O U T _ L O S
A D _ Y R 3 4 2 1 7 5 P B O U T Y I N _ L O S 4 7 K
R 3 4 2 2 7 5 B I A S Y 2 R 3 4 3 1
M O N _ Y Y L O S
C 3 4 1 8
Y O U T V -
0 . 1 / 1 6
0 . 1 / 1 6 V +
Y L O S O U T C 3 4 4 3
A V O U T R 3 4 2 4 7 5 C 3 4 1 9 V - G N D
R 3 4 2 5 7 5 0 . 1 / 1 6 V O U T 2
A D _ V S D A
R 3 4 2 6 7 5 B I A S V 2
M O N _ V S C L
C 3 4 2 0
V O U T 1 V D D
V +
0 . 1 / 1 6 V L O S O U T
C 3 4 3 3
A V O U T
M O N _ V
M O N _ Y
M O N _ P b
M O N _ P r
+ 3 . 3 V
t o D I G I T A L
Page 131 E9
to DIGITAL (1)_CB76
G H I
K4
to AM/FM TUNER
t o T U N E R P a c k
S T 3 4 1
n o _ u s e
+ 5 T
n o _ u s e C 3 4 4 9
+ 5 A
C 3 4 4 7 1 0 0 P ( S L )
+ 5 A E
C 3 4 5 0
T E 1 0 0 P ( S L )
C 3 4 4 8
T E
D C D C _ P O N
P S 2 _ P R T
+ 5 . 5
M C H 6 3 3 6 - T L - E
Q 3 4 0 4 L 3 4 0 1
1 0 0 U H
S D D
S C 5 9 6 4 - T D - E
Q 3 4 0 7
2
3
G D D
4
6
Q 3 4 0 1 5
Q 3 4 0 8
Z E 4 3 9 5 0
S C 5 9 6 4 - T D - E
V I D _ S D A D T C 0 1 4 E U B T L
Switching frequency: 100kHz
V I D _ S C L
D G N D
3 D
G
5
6 D
D C D C _ P O N
4 S
G
2
1 S
P S 2 _ P R T
+ 5 . 6
M C H 6 3 3 6 - T L - E
Q 3 4 0 5 L 3 4 0 2
1 0 0 U H
S D D
S C 5 9 6 4 - T D - E
Q 3 4 0 9
2
3
G D D 4
6
Q 3 4 0 2 5
Q 3 4 1 0
S C 5 9 6 4 - T D - E Z E 4 5 8 3 0
D T C 0 1 4 E U B T L
Switching frequency: 100kHz
D G N D
D C D C _ P O N
IC342: RP170H331B-T1-FE IC343, 344: BD00GA3WEFJ-E2
Voltage regulator
300 mA variable output LDO regulator
V DD 5 1 V OUT 3
GND
OCP
SOFT
START +
Vref
+
–
Current Limit
Thermal Shutdown
CE GND
3 2
EN 5 TSD
Pin No. Symbol Description
1 VOUT Output Pin
2 GND Ground Pin
3 CE Chip Enable Pin
4 NC No Connection
5 VDD Input Pin
J K
Page 141 H9
to MAIN (1)_W107
D G N D
+ 5 . 6
+ 3 . 3 V
R P 1 7 0 H 3 3 1 B - T 1 - F
3.3
V D D V O U T
G N D
N C C E
D 3 4 1 2
R B 1 6 2 L - 4 0
T 3 4 0 1
D 3 4 1 3
7
R B 1 6 2 L - 4 0
8
9
D 3 4 2 0
1 V E
R B 1 6 2 L - 4 0
D 3 4 2 1
V +
R B 1 6 2 L - 4 0
I C 3 4 6 I C 3 4 6
5
2
V -
-3.3
Q 3 4 1 3
2 N 5 4 0 1 C - A T / P
- 3 . 3 V
+ 5 A
B D 0 0 G A 3 W E F J - E 2 5.0
D 3 4 0 6
R B 1 6 2 L - 4 0
D 3 4 1 4
R B 1 6 2 L - 4 0
D 3 4 0 7
R B 1 6 2 L - 4 0
T 3 4 0 2
D 3 4 1 5
7
+ 5 T
R B 1 6 2 L - 4 0
8
+ 5 A E
B D 0 0 G A 3 W E F J - E 2 5.0
L 3 4 0 3
D 3 4 0 8
9
R B 1 6 2 L - 4 0 1 0 0 U H
1
D 3 4 1 6
R B 1 6 2 L - 4 0
D 3 4 0 9
R B 1 6 2 L - 4 0
D 3 4 1 7
R B 1 6 2 L - 4 0
T E
C 3 4 5 3 C 3 4 5 8
n o _ u s e
0 . 1 / 1 6
J 3 4 0 5
T E V E + 5 A E
O P E ( 2 )
V I D E O
3 4 1 - 3 6 0
3 4 0 1 - 3 6 0 0
OPERATION (2)
IC345: NJM41033V (TE2) IC346: BD7541G-TR
Triple isolation amplifier Input/output full swing CMOS operational amplifier
1
Y/G IN
13 Y/G OUT
IN+ 1 5 VDD
8 Vcc
+
Y/G GND 2
VSS 2
–
4
Cb/B IN
11 Cb/B OUT
4
IN- 3 OUT
1 Vo
Cb/B GND 5
2 FB
Cr/R IN 6
9 Cr/R OUT
Cr/R GND 7
12 13
V+ GND
L M N
RX-V675/HTR-6066/RX-A730/TSR-6750
N O T I C E
( m o d e l )
J J A P A N
U U . S . A
C C A N A D A
R G E N E R A L
T C H I N A
K K O R E A
A A U S T R A L I A
B B R I T I S H
G E U R O P E
L S I N G A P O R E
E S O U T H E U R O P E
V T A I W A N
F R U S S I A N
P L A T I N A M E R I C A
S B R A Z I L
H T H A I
R E S I S T O R
R E M A R K S P A R T S N A M E
N O M A R K C A R B O N F I L M R E S I S T O R ( P = 5 )
C A R B O N F I L M R E S I S T O R ( P = 1 0 )
M E T A L O X I D E F I L M R E S I S T O R
M E T A L F I L M R E S I S T O R
M E T A L P L A T E R E S I S T O R
F I R E P R O O F C A R B O N F I L M R E S I S T O R
C E M E N T M O L D E D R E S I S T O R
S E M I V A R I A B L E R E S I S T O R
C H I P R E S I S T O R
C A P A C I T O R
R E M A R K S P A R T S N A M E
N O M A R K E L E C T R O L Y T I C C A P A C I T O R
T A N T A L U M C A P A C I T O R
N O M A R K C E R A M I C C A P A C I T O R
C E R A M I C T U B U L A R C A P A C I T O R
P O L Y E S T E R F I L M C A P A C I T O R
P O L Y S T Y R E N E F I L M C A P A C I T O R
M I C A C A P A C I T O R
P P O L Y P R O P Y L E N E F I L M C A P A C I T O R
S E M I C O N D U C T I V E C E R A M I C C A P A C I T O R
O P E ( 9 )
VIDEO
C V B S
P J 3 6 1
A V 3
AV3 1 0 / 1 6
5 2 0 4 4
C 3 6 0 1 0 V E
0 A V 3 _ V
0 V E
0 A V 4 _ V
0 V E
A V 4
1 0 / 1 6 C B 3 6 1
AV4
(TV) C 3 6 0 2
M S P - 2 5 2 V 2 - 0 7 N I
3 6 1 - 3 6 5
3 6 0 1 - 3 6 5 0
OPERATION (9)
IC341: NJW1329FH3
2
Multi input wide band video interface with I C control
V LOS detect Y LOS detect
50
VIN1 46
VIN2 45
VIN3 44
VIN4 43
6dB 75 ohms 38
VIN5 42
VIN6
41
VIN7
40
6dB 75 ohms 36
10
YIN1 16
YIN2
17 6dB
75 ohms 33
YIN3
18
PBIN1
20
PBIN2 21
6dB 75 ohms 31
PBIN3 22
PRIN1 24
PRIN2 25
6dB 75 ohms 29
PRIN3 26
BIAS I2C BUS
139