Yamaha RX-V675 Service Manual page 138

A B C
RX-V675/HTR-6066/RX-A730/TSR-6750
OPERATION 1/3
1
1 2 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2
+ 3 . 3 F L D
2
+ 3 . 3 F L D
P 2 4
P 2 5
P 2 6
P 2 7
P 2 8
P 2 9
3
P 3 0
P 3 1
P 3 2
P 3 3
P 3 4
Q 3 0 0 1
Q 3 0 0 4 P 3 5
P 3 6
G 1 8 I
G 1 7 I
Q 3 0 0 2 Q 3 0 0 3
G 1 6 I
4
- V P
5
Z O N E 2 O N / O F F
+ 3 . 3 M
6
D G N D
V 7 A 7 V 7 A 7 V 7 A 7 V 7 A 7
K E Y 2
R 3 0 0 6 R 3 0 0 9 R 3 0 1 6 R 3 0 2 1 R 3 0 2 4
1 K 1 K 1 . 5 K 1 . 8 K 2 . 2 K
P U R E D I R E C T T U N I N G A M F M
7
O P E ( 6 )
OPERATION (6)
R 3 0 0 4 R 3 0 1 2
J K 3 0 1
YPAO
1 K 1 K
C 3 0 0 5 R 3 0 1 5
MIC
2 2 0
1 0 / 5 0
R 3 0 0 3 R 3 0 2 0
J Y - 3 5 5 4 - 0 1 - 1 3 0
4 . 7 K 4 . 7 K
N J M 4 5 6 5 M V +
5
7 R 3 0 4 3
I C 3 0 3
6 8 . 2 K
R 3 0 2 5
1 2 K
C 3 0 1 5
N J M 4 5 6 5 M
8
3
3 3 P ( C H )
1
I C 3 0 3
2
V -
B O D Y E A R T H
9
P N 3 0 1
S T 3 0 1
C 3 0 0 3
1 0 0 0 P ( B ) H e a d P h o n e
R 3 0 0 8
J K 3 0 2
R 3 0 1 9
1 K 1 K
3 3 0 0 P / 1 0 0
R 3 0 1 3
PHONES L
1 P 5 6 0
R
SILENT CINEMA
3 3 0 0 P / 1 0 0
R 3 0 1 4
1 P 5 6 0
G N D
M S J - 0 6 4 - 0 5 B - B - R
10
138
D E F
RX-A730
V 3 0 0 1 1 8 - M T - 1 1 G N K
3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 4 0 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 5 0 5 1 5 2 5 3 5 4 5 5 5 6 5 7 5 8 5 9 6 0 6 1 6 2 6 3 6 4 6 5
C 3 0 1 9
0 . 1 / 1 6
C 3 0 2 8
P 8
0 . 1 / 5 0 ( F )
R 3 0 4 0
P 7
1 0 0 K
P 6
C 3 0 2 4
FL DRIVER
P 5
P 4 2 2 0 / 5 0
P 3
P 2
C 3 0 2 5
I C 3 0 1
P 1
3 3 0 / 6 . 3
M 6 6 0 0 3 - 0 1 3 1 F P - R C 3 0 2 6
V D D
0 . 1 / 1 6
X I N
R 3 0 3 5 C 3 0 2 7
X O U T
3 6 K
V S S 6 8 P ( S L )
D T F L
C K F L
/ C E F L
/ R E S E T
n o _ u s e
D 3 0 0 7
D 3 0 0 8
D G N D
n o _ u s e
0 . 1 / 1 6
C 3 0 3 3
D G N D
F G
+ 3 . 3 M
W 3 0 0 2 A W 3 0 0 2 B
n o _ u s e n o _ u s e
D G N D J 3 0 0 8 D G N D S C E N E 4
0
Z O N E 2 C O N T R O L
R A D I O
J 3 0 0 9
K E Y 2 - 2 K E Y 2 - 2 3.3
R 3 0 2 7 R 3 0 4 9
J 3 0 1 0
K E Y 1 - 3 K E Y 1 - 3 3.3
2 . 2 K 1 K
V 7 A 7 V 7 A 7 V 7
J 3 0 1 1
K E Y 1 - 2 K E Y 1 - 2 3.3
J 3 0 1 2
K E Y 1 K E Y 1 3.3
n o _ u s e
G 3 0 0 4
J 3 0 1 7
J 3 0 1 8
J 3 0 1 9
J 3 0 2 0
J 3 0 2 1
G 3 0 0 2
J 3 0 2 2 n o _ u s e
V 7 A 7 V 7 A 7 V 7 A 7 V 7 A 7 V 7
R 3 0 3 2 F G
R 3 0 2 6 R 3 0 2 9 R 3 0 3 0 R 3 0 4 8
3 . 3 K 4 . 7 K 6 . 8 K 1 0 K 2 2 K
O P E ( 1 1 )
P R E S E T M E M O R Y I N F O S T R A I G H T
+ 1 2 V
- 1 2 V
C 3 0 3 4
5 1 0 4 8
C B 3 0 1 C B 3 0 3
W 3 0 0 1 C 3 0 3 0
+ 1 2 V 12.2 + 1 2 V 0 . 1 / 1 6
C 3 0 3 5
M I C M I C M I C 1 0 0 0 P
0
E 0 E 0 . 1 / 1 6
C 3 0 3 1 C 3 0 3 6
- 1 2 V -12.0 - 1 2 V
M I C _ N _ D E T 3.2 M I C _ N _ D E T M I C _ N _ D E T 1 0 0 0 P 0 . 1 / 1 6
F G 0 F G
C 3 0 1 8
F G D G N D
5 1 0 4 8
1 0 / 1 6
+ 5 . 6 + 3 . 3 M
n o _ u s e
G 3 0 0 1
O P E ( 7 )
C 3 0 2 1
1 0 0 0 P ( B )
C 3 0 2 2
1 0 0 0 P ( B )
C B 3 0 2
3.3 H P _ N _ D E T
0 H P L
0 H P E
R 3 0 3 7
0 H P R
1 0 0 K
F r o m P H L
V I D E O ( 1 )
D G N D
OPERATION (7)
t o D i g i t a l
Page 141 H2
Page 131 K9
to MAIN (1)_W106
to DIGITAL (1)_CB82
G H
OPERATION (1) O P E ( 1 )
6 8 6 9 F 1 F 2
+ 5 . 6
PURE DIRECT
indicator
Q 3 0 0 9
D T C 0 1 4 E U B T L
D G N D
J 3 0 1 5 , 3 0 1 6 S W 3 3 8 , 3 3 9
n o _ u s e
J 3 0 1 5 J 3 0 1 6
VOLUME
V 7 A 7
D G N D
E C 1 2 E 2 4 6 0 8 1 4
n o _ u s e
+ 3 . 3 M
S W 3 3 9
S W 3 3 8
+ 3 . 3 M A B C O M A B C O M
R 3 0 7 3
4 7 K
R 3 0 7 2
4 7 K
V O L _ R A
V O L _ R B
D G N D
D G N D
F G
S C E N E 3 S C E N E 2 S C E N E 1
N E T T V B D/DVD
R 3 0 5 2 R 3 0 6 2 R 3 0 6 9
1 K 1 . 5 K 1 . 5 K
A 7 V 7 A 7 V 7 A 7 V 7 A 7
3 0 0 1 - 3 4 0 0
3 0 1 - 3 4 0
V 7
A 7 V 7 A 7 V 7 A 7
A 7
R 3 0 5 4
6 8 K
T O N E OPERATION (11)
P R O G R A M C O N T R O L
Remote control
R P M 7 2 3 8 - H 9 R
+ 3 . 3 M
sensor
R 3 0 6 7 U 3 0 0 1
D G N D
1 0 K
+ 3 . 3 M
D 3 0 1 1
I R
S I R - 5 0 5 S T A 4 7
1 0 0
R 3 0 7 0
D G N D
D G N D
+ 3 . 3 F L D
+ 5 . 6
+ 3 . 3 F L D
I C 3 0 2
R P 1 3 0 Q 3 3 1 D - T R - F
4 3
Y C 2 8 8 A 0
1 2
R 3 0 5 0
D G N D
C 3 0 3 9
C 3 0 4 4
0 . 1 / 1 6
0 . 1 / 1 6
+ 1 2 V - 1 2 V
C 3 0 4 0
1 0 0 P ( S L )
C 3 0 4 2
C 3 0 4 7
1 0 0 P ( S L )
1 0 0 0 P
C 3 0 4 1
J 3 0 1 4
n o _ u s e
C 3 0 4 8
n o _ u s e
1 0 0 0 P
B O D Y E A R T H
o f S W 3 3 9
F G
E
t o O P E ( 2 )
Page 139 E1
to OPERATION (2)_CB343
I J K
+ 5 . 6 + 3 . 3 F L D
Q 3 0 1 1
M C H 6 3 3 6 - T L - E L 3 0 0 1 D 3 0 1 9
S D D
1 0 0 U H
1 S S 3 5 5 V M
D 3 0 2 1
S C 5 9 6 4 - T D - E
T 3 0 0 1
Q 3 0 1 2
2 9
1 S S 3 5 5 V M
3 D 3 0 2 0
G D D 1 R 3 0 8 8
4 1 K
Q 3 0 1 0
1 S S 3 5 5 V M
7
6 D 3 0 2 2
R 3 0 8 7
5 8
1 . 0
1 S S 3 5 5 V M
Q 3 0 1 5
Q 3 0 1 3 2 N 5 4 0 1 C - A T / P
1 2 R E G
S C 5 9 6 4 - T D - E
-35.7
D T C 0 1 4 E U B T L
- V P
Switching frequency: 100kHz F 2 F 1
RMS 3.7V
D G N D D G N D
D C - D C / A C C o n v e r t e r f o r V F D
OPERATION (5)
O P E ( 5 )
S K R G A A D 0 1 0
A 7 S W 3 4 0
C B 3 0 6 C B 3 0 8 MAIN ZONE
W 3 0 0 6
M A S W M A S W V 7 S W 3 4 1
D G N D D G N D M A I N Z O N E n o _ u s e
D G N D D G N D
+ 3 . 3 M + 3 . 3 M
S T B Y _ L E D S T B Y _ L E D
5 1 0 4 8 5 1 0 4 8
R 3 0 8 0
1 0 0
Standby indicator
Key detection for A/D port
Key input (A/D) pull-up resistance 10 k-ohms
0 Ω + 1.0 kΩ + 1.0 kΩ + 1.5 kΩ + 1.5 kΩ + 2.2 kΩ + 3.3 kΩ + 4.7 kΩ
Detected voltage value
0 – 0.15 V 0.15 – 0.42 V 0.43 – 0.70 V 0.71 – 0.97 V 0.98 – 1.24 V 1.25 – 1.53 V 1.54 – 1.84 V 1.85 – 2.22 V
at 171 pin
A/D value
0 – 11 12 – 32 33 – 54 55 – 75 76 – 96 97 – 119 120 – 142 143 – 163
(3.3 V=255)
RADIO NET TV BD/DVD ZONE
KEY1 ZONE2 INPUT > INPUT <
(SCENE4) (SCENE3) (SCENE2) (SCENE1) CONTROL
0 Ω + 1.0 kΩ + 1.0 kΩ + 1.5 kΩ + 1.8 kΩ + 2.2 kΩ + 3.3 kΩ + 4.7 kΩ + 6.8 kΩ
Detected voltage value
0 – 0.15 V 0.16 – 0.42 V 0.43 – 0.70 V 0.71 – 0.99 V 1.00 – 1.27 V 1.28 – 1.56 V 1.57 – 1.86 V 1.87 – 2.14 V 2.15 – 2.39 V
at 170 pin
A/D value
0 – 11 12 – 32 33 – 54 55 – 77 78 – 99 100 – 121 122 – 144 145 – 166 167 – 186
(3.3 V=255)
PURE TUNING TUNING PRESET PRESET
KEY2 AM FM MEMORY INFO
DIRECT >> << > <
OPERATION (10)
X R E B 1 2 1 0 5 P V B 2 5 F
S W 3 4 2
INPUT
A B C O M
I N P U T
W 3 0 0 4 A W 3 0 0 4 B
S e l e c t o r
+ 3 . 3 M 3.3 + 3 . 3 M
I S E L _ R A 3.3 I S E L _ R A R 3 0 8 2 R 3 0 8 5
1 0 K 4 7 K
D G N D 0 D G N D
I S E L _ R B 3.3 I S E L _ R B R 3 0 8 4 R 3 0 8 6
1 0 K 4 7 K
D 3 0 1 7
n o _ u s e
D 3 0 1 8
n o _ u s e
C 3 0 6 1
0 . 1 / 1 6
O P E ( 1 0 )
F G
O P E ( 1 2 )
S C N - X H
U S B
G N D
0
G N D
V B u s
5.2
V B u s
C 3 0 6 3
W 3 0 0 8
1 0 0 0 P ( B )
0 F G
0 G N D
0
+ D a t a
0
C 3 0 6 0 - D a t a
USB jack
1 0 / 1 0 5.2
V B u s
C 3 0 6 2 W 3 0 0 9
S A N - P H
1 0 0 P ( S L )
P J 3 0 1
L 3 0 0 2
B L M 1 8 H D 1 0 2 S N 1 D
C B 3 0 9
C B 3 0 7
W 3 0 0 5 M T J - 0 3 2 - 2 1 B - 4 3 -
V A U X 0 V A U X
B L M 1 8 H D 1 0 2 S N 1 D
0 L 3 0 0 3
V E V E
5 1 0 4 8 5 1 0 4 8
G 2 G 1 G 3
G 3 0 0 3
T P 0 0 3 8 5
F G 2
OPERATION (12)
L M N
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
N O T I C E
( m o d e l )
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
J J A P A N
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
U U . S . A
P O L Y P H E N Y L E N E S U L F I D E F I L M
S C C A N A D A
C A P A C I T O R
R G E N E R A L
T C H I N A
K K O R E A
R E S I S T O R
A A U S T R A L I A
R E M A R K S P A R T S N A M E
B B R I T I S H
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 )
G E U R O P E
C A R B O N F I L M R E S I S T O R ( P = 1 0 )
L S I N G A P O R E
M E T A L O X I D E F I L M R E S I S T O R
E S O U T H E U R O P E
M E T A L F I L M R E S I S T O R
V T A I W A N
M E T A L P L A T E R E S I S T O R
F R U S S I A N
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
P L A T I N A M E R I C A
C E M E N T M O L D E D R E S I S T O R
S B R A Z I L
S E M I V A R I A B L E R E S I S T O R
H T H A I
C H I P R E S I S T O R
22 kΩ 33 kΩ
2.23 – 2.62 V 2.63 – 3.04 V
IC301: M66003-0131FP-R
18 digit 5 x 7 segment VFD controller/driver
182 – 197 198 – 209
MAIN ZONE TONE
(power) CONTROL Display code
RAM CGROM
(35-bit x 166) 44
(8-bit x 60)
+ 10 kΩ + 22 kΩ + 68 kΩ
Segment 19
Code
output
write
17
circuit
2.40 – 2.65 V 2.66 – 2.91 V 2.92 – 3.17 V
CGROM
dot data 9
CS 2 Serial data (35-bit x 16)
write
SCK 3 receive
Code/
circuit
187 – 205 206 – 226 227 – 246 SDATA 4
command
45
control
circuit
PROGRAM PROGRAM
52
STRAIGHT
> <
51
Segment/
code
50
select Digit
select/
49
XIN 7 output
Clock timing Display
generator clock scan pulse circuit
XOUT 6 controller 48
47
46
63
Digit
RESET 1 output
circuit
Vcc1 8
53
Vcc2
18
Vss 5
Vp 64
IC302: RP130Q331D-TR-F
Voltage regulator
V V
DD 4 3 OUT
Vref
Current Limit
CE 1 2 GND
Pin No. Symbol Description
1 CE Chip Enable ("H" Active)
Page 134 K8
2 GND Ground Pin
to DIGITAL (1)_CB947 3 V OUT Output Pin
4 V DD Input Pin
IC303: NJM4565M (TE1)
Page 132 J9
Dual operational amplifier
to DIGITAL (1)_CB952
V+
8
VIDEO 2, 6
VIDEO
–INPUT
AUX 1, 7
+INPUT
3, 5
V–
4
★ 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.
SEG00
SEG25
SEG26
SEG34
SEG35
DIG11/
SEG42
DIG12/
SEG41
DIG13/
SEG40
DIG14/
SEG39
DIG15/
SEG38
DIG16/
SEG37
DIG17/
SEG36
DIG00
DIG10
OUTPUT