Yamaha R-N500 Service Manual page 76

A B C
R-N500
OPERATION 2/3
1
2
O P E ( 3 )
4 3 0 1 - 4 3 5 0
4 3 1 - 4 3 5
P J 4 3 1
3 L R 4 3 3 7
2 s 4 3 1 0.007
P H O N O
PHONO
5
R 4 3 3 8
0.007
R
1 s 4 3 1
S T 4 3 1
3 ANALOG IN
S H I E L D E D
C O V E R
L R 4 3 0 9 L 1 _ L
4 6 4 7 0
L I N E 1
1 PB
9
4 7 0
L 1 _ R
R
4 R 4 3 1 0
A G N D 1
7
R 4 3 1 2 L 2 _ L
L
1 0
4 7 0
5 C D _ L
C D _ R
L I N E 2
PB
1 1
T U L
R 4 7 0 L 2 _ R T U R
8
R 4 3 1 1
M S P - 2 4 6 V 1 - 0 1 N I
A G N D 1
N E T L
2 P J 4 3 2
R E 2 _ L N E T R
R 4 3 0 2
1 0 / 1 6
1 K
L
2
C 4 3 1 5
6 P H _ L
A G N D 3 P H _ R
LINE L I N E 2 O U T
REC
5
L 1 _ L
1 0 / 1 6
1 K
R
L 1 _ R
1
R 4 3 0 1
C 4 3 1 3
R E 1 _ R
3
L 4 7 0 L 3 _ L
6
R 4 3 0 4
7
L I N E 3
PB
9
4 7 0 L 3 _ R
R
4
R 4 3 0 3
3 7
R E 3 _ L P N 4 3 1
R 4 3 0 6
1 0 / 1 6
L 1 K
1 0
C 4 3 1 6
W 4 3 0 4
A G N D 2
L I N E 3 O U T A G N D 3
REC A G N D 2
1 1
8
A G N D 2
n o _ u s e
W 4 3 0 1
R 1 0 / 1 6
1 K
+ 1 2 A
8 R 4 3 0 5
C 4 3 1 4
V O L
R E 3 _ R
M S P - 2 4 6 V 1 - 0 1 N I
A G N D 2
V O R
P N 4 3 2
- 1 2 A
5 P 1 6 5 M M B & C
n o _ u s e
Z H 4 8 8 2 0
9
Page 78 B6
to MAIN (1)_W2002
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.
76
D E F
R 4 3 4 9
+ 1 2 A
8 Q 4 3 0 1
10.5 1 P 4 7 0
C 4 4 8 8 ( S / T )
V +
3
6.9
+ 7 A
1
2 I C 4 3 2
N J M 2 0 6 8 M D - T E 2
R 4 3 4 3 R 4 3 4 5 R 4 3 4 7 1 0 / 1 6 R 4 3 5 1 R 4 3 5 9
1 0 0 K 8 . 2 K 8 2 6 8 0 4 7 0
0.009 0
C 4 3 3 7
C 4 3 3 1 C 4 3 3 3
0 . 0 3 3 / 1 0 0
P S 1 _ P R T
9 1 0 0 P / 1 0 0
0
J 4 3 1 0
9 1 0 0 P / 1 0 0
n o _ u s e
0 . 0 3 3 / 1 0 0
C 4 3 3 2 C 4 3 3 4 A G N D 1
0.009 C 4 3 3 8
R 4 3 5 2
R 4 3 4 4 R 4 3 4 6 R 4 3 4 8 R 4 3 6 2 A G N D 1
1 0 0 K 8 . 2 K 8 2 6 8 0 4 7 0
1 0 / 1 6 0
6 N J M 2 0 6 8 M D - T E 2
7
I C 4 3 2
5
- 7 A
-6.9 A 1 7 0 8 ( S / T )
V -
4 R 4 3 5 0
- 1 2 A Q 4 3 0 2
-10.4
1 P 4 7 0
I N L 1 2
O U T S B L
I N R 1 2
O U T S B R
I N L 1 1 O U T C
I N R 1 1
O U T S W
I N L 1 0 O U T S L
VOL IN
I N R 1 0 SELECTOR and E-Vol.
O U T S R
I N L 9
O U T F L
I N R 9
O U T F R 1 0 P ( C H )
I N L 8
V E E C 4 3 2 4 C 4 3 2 5
I N R 8 R 4 3 3 3
C L
1 0 0
I N L 7
D A R 4 3 3 4
1 0 0
I N R 7 R 4 3 3 5
D G N D
0
I N L 6
V C C
I N R 6
T N F 1
I N L 5
B N F 1
I N R 5
B O U T 1
I N L 4
B O U T 2
I N R 4 B N F 2
I N L 3
T N F 2
N I R 3
G N D
A G N D 1
C B 4 6 4
O P E ( 6 ) 4 6 0 1 - 4 6 5 0
OPERATION (6)
A G N D
4 6 1 - 4 6 5
A G N D
A G N D
n o _ u s e
C B 4 6 1
+ 1 2 A
+ 1 2 A
12.2
1
V O L
V O L V O L
2 N J M 2 0 6 8 M D - T E 2
MIX IN
A G N D M U T E _ 5 C H + 1 2 A
3
V O R V O R 8
4 V + 0.015 1 0 / 1 6
3 0
- 1 2 A C 4 6 0 1
-12.3 R 4 6 0 1 0.016
5 M I L 0 1
P N 4 6 1
I C 4 6 1 C 4 6 0 5
- 1 2 A 2
P H L 1 . 2 K
1 0 / 1 6
R 4 6 0 7
Q 4 6 0 1
D 2 7 0 4 ( K )
6 8 0
R 4 6 0 2
n o _ u s e
1 0 K
P N 4 6 2
J 4 6 0 2
J I S C 3 1 0 1
R 4 6 0 3
1 0 K
C B 4 6 3
R 4 6 0 8
M I L M I L
Q 4 6 0 2
D 2 7 0 4 ( K ) 6 8 0
A G N D
C 4 6 0 2
R 4 6 0 4
M I R
6
M I R M I R I C 4 6 1
1 0 / 1 6
1 . 2 K 7
0 1 0 / 1 6
0.016
V - 5 0
0.015 C 4 6 0 6
4
P D S W
- 1 2 A
M U T E _ 5 C H
N J M 2 0 6 8 M D - T E 2
V O R
A G N D
2.9/-12.4
P H L
1
M G
P D S W 2
3
P U R E D I R E C T
M G
G H
IC431: BD3473KS2
7.1-channel sound processor with built-in mode and input selectors
60 59 58 57 56 55 54 53 52 51 50
61
62
63
64
65
66
67
Mode Mode
68
selector selector
69
70
Rec
71
72
73
74
75
SBL SBR C SW
76 Volume Volume Volume Volume
Sub2
11.7 R 4 3 3 1 12.2
+ 1 2 A
77
1 P 2 2
78
7.5
OPERATION (3) 79
80
7.5
LOGIC
J 4 3 0 8
1 2 3 4 5 6 7 8 9 10 11
-7.5
A G N D 0
R 4 3 3 2
- 1 2 A
1 P 2 2
-11.6 -12.3
OPERATION (5)
O P E ( 5 )
11.4
4 4 1 - 4 4 5
R 4 4 0 1
12.2
4 4 0 1 - 4 4 5 0
1 P 2 2
C B 4 3 2 C B 4 4 2
P S 2 _ P R T
P S 2 _ P R T
1.6
C D _ L C D _ L C D _ L
A G N D 1 C D _ E C D _ E
C D _ R C D _ R C D _ R
V O L
N C N C
1 0 P ( C H ) V O R
T U L T U L T U L
A G N D 1 J 4 3 0 3 T U E T U E
V O L _ S C K T U R T U R T U R
J 4 3 0 7
V O L _ M O S I A E A E
+ 1 2 A + 1 2 A
M G + 1 2 A
12.2
N E T L N E T L N E T L
N E T E N E T E
N E T E N E T E
N E T R N E T R N E T R
5 3 2 9 0 - 1 4 8 0
+ 1 2 A
J 4 3 1 1
A G N D
A G
J 4 3 0 1
A C 1 2 E
J 4 3 0 2 J 4 3 1 2
- 1 2 A
Page 78 B3
to MAIN (1)_CB209
A G N D 1 A G N D A G N D 0
M U T E _ Z 2
P S 2 _ P R T
P S 2 _ P R T
P S 1 _ P R T
P S 1 _ P R T
Page 78 B4
V O L _ M O S I
V O L _ M O S I
to MAIN (1)_CB201
M G
M G
V O L _ S C K
V O L _ S C K
OPERATION (7)
P U R E D I R E C T O P E ( 7 )
S T 4 6 1
S W 4 6 1
O N
C 4 6 0 7
s 4 6 2
4 6 5 1 - 4 6 8 0
J 4 6 0 3
s 4 6 1
A G N D
4 6 6 - 4 6 8
S T 4 6 2
R 4 6 5 5
1 . 8 K
1 8
1 7
S W 4 6 1
1 6
C B 4 6 6
5 2 0 4 4
7 6
V O L V O L
7 1 1
T O L T O L
6 2 2
A G N D A G N D
3
5
T O R T O R
4 4 3
V O R V O R
5 4
3
8 5
+ 1 2 + 1 2
+ 1 2 A 6
2 12.2
7 S W 4 6 1 - 1 2 - 1 2
V R 4 6 6
- 1 2 A 7
1 -12.3 2 5 K G X 2
8 T R E B L E
5 2 0 4 5
C B 4 6 2
9
R 4 6 5 6
1 . 8 K
TREBLE
1 0
1 1
S W 4 6 1 S W 4 6 1 1 2
A G N D
O N
S W 4 6 1
PURE DIRECT
I J K
IC432, 461, 466: NJM2068MD-TE2
IC436: TC74VHCU04FT
Dual operational amplifier Hex inverters
49 48 47 46 45 44 43 42 41
1A
OUT +V
1 1 8 CC
1Y
–IN 2 7 OUT 2
1
+ – + –
2A
40 +IN 1 3 6 -IN 2
2Y
39 4 5 +IN
–V CC 2
38 3A
3Y
37
Multi2 36
GND
Sub1
Multi1
35
34
Mode Mode
ADC 33
selector selector
32
Mixing
Gain
Front:-1.62dB 31
SW:-3.60dB
30
29
28
OPERATION (4)
27
26
SL SR FL FR
Volume Volume Volume Volume 25 4 3 6 - 4 4 0
O P E ( 4 )
Volume 4 3 5 1 - 4 4 0 0
+24dB to 95dB 24
/0.5dB step
23
D G N D
TONE TONE C B 4 3 6
22
5 3 2 9 0 - 1 5 8 0 A V 1 _ D
+ 5 D S P
21
5.0
1
A V 1 _ D
0.043
2
A V 2 _ D
0.043
3
D G N D
0
4
12 13 14 15 16 17 18 19 20
A V 3 _ D
0.4
5
A V 2 _ D
A V 4 _ D 0
6
D G N D
0
7
Page 73 K3
A E
0
8
to DIGITAL_CB62
+ 5 A
5.0
D G N D
9
R 4 3 8 4 T U R
0
1 0 n o _ u s e
R 4 3 8 5
T U E
0
1 1 n o _ u s e
+ 5 D S P
R 4 3 8 6 T U L
0
1 2 n o _ u s e
4 . 7 / 5 0
N E T R
0.038
1 3 A V 3 _ D R 4 3 7 4
N E T E
C 4 3 7 5 0
1 4 1 0 0
4 . 7 / 5 0
N E T L
0.038
D 4 4 0 1 1 5
1 S S 3 5 5 V M C 4 3 7 6
D G N D
T C 7 4 V H C U 0 4 F T ( E L
DIGITAL IN
I C 4 4 1
5 2 0 4 4
K I A 7 8 0 5 A P I
R S T
I N O U T 5.0
S D A
A V 4 _ D R 4 3 7 7
C O M
Page 71 J1
S C L
1 0 0
to DIGITAL_CB30 G P I O 2
N C
C B 4 3 9
5 2 4 1 8
P S 2 _ P R T P S 2 _ P R T
C D _ L C D _ L
C D _ E C D _ E
C D _ R C D _ R
N C N C
T U L T U L R 4 3 9 4
n o _ u s e
T U E T U E
T U R T U R R 4 3 9 5
n o _ u s e + 1 2 A
A E A E
+ 1 2 A + 1 2
+ 5 A + 5 A
N E T L N E T L
N E T E
N E T E N E T E
N E T R N E T R
C B 4 4 4 C B 4 3 7
+ 1 2 A
F o r T u n e r P a c
+ 5 T
C 4 4 8 8 ( S / T )
R 4 3 9 0
11.9 5.3
1 8
Q 4 3 5 1
P N 4 6 6
n o _ u s e
R 4 6 5 9
12.2
N J M 2 0 6 8 M D - T E 2
s 4 6 6
V +
8 C 4 6 6 5
3
0.014
-0.055
TONE IN 1 0 / 1 6 0
1
0
I C 4 6 6 1 0 / 1 6
2
C 4 6 5 7
C 4 6 5 3 C 4 6 6 1
P
0 . 1 2 4 7 P / 6 3 0
R 4 6 6 2
C 4 6 5 4
0.015
4 7 0 K
0 . 1 2
7 3 C B 4 6 7
6 7
0 V O L
1
4
L O L
2 5
A G N D
L O R
3
2
V O R
4
1
5 8 W 4 6 5 1
0
5 1 0 4 8
8 6
V R 4 6 7 C 4 6 5 5 V R 4 6 8
2 0 K B X 2 R 4 6 6 1
1 0 0 K M N
0.015
B A S S B A L A N C E
0 . 1 2
4 7 0 K
C 4 6 5 6 C 4 6 6 2
P
0 . 1 2 4 7 P / 6 3 0
6
C 4 6 5 8
BASS BALANCE
7
I C 4 6 6 C 4 6 6 6
0 5
1 0 / 1 6
-0.055 0
0.014
4 1 0 / 1 6
V -
I C 4 6 6
R 4 6 6 0
-12.2
s 4 6 6 N J M 2 0 6 8 M D - T E 2
L M N
IC441: KIA7805API
Voltage regulator
1 INPUT
R22 R17 R23
1 14 VCC
R1
Q11 Q11-1
6A
2 13 Q15
Q16
3 12 6Y
Q12
Q14 R14
R10 R15
4 11 5A
Q17 Q19
R16
R19
R12 3 OUTPUT
5 10 5Y
Q18 R20
Q6
Q1
6 9 4A
R18
R11 R9
R7 C1
Z1
7 8 4Y R2
Q10
Q2
Q7 R21
R3
Q13
Q4
Q3 Q5 Q9 Q8
R13
R4
R5
R6 R8
2 COMMON (GND)
J 4 3 5 2
S T 4 3 7
1 0 0
C 4 3 5 3
O P T 1
R 4 3 5 7 1
DIGITAL IN
0 . 1 / 1 6
L 4 3 5 3
B L M 2 1 P G 6 0 0 S N 1 D
J S R 2 1 6 5
Z F 7 4 0 4 0 1 9 2 k H z
OPTICAL
R 4 3 5 4
1 0 0
C 4 3 5 2
O P T 2
2
0 . 1 / 1 6
L 4 3 5 4
B L M 2 1 P G 6 0 0 S N 1 D
J S R 2 1 6 5
R 4 3 6 4
P J 4 3 6
4 . 7 K
1 4 I C 4 3 6
I C 4 3 6
C 4 3 5 8 1
4 3 R 4 3 6 0 C O A X 1
1
2
2 1 6 8 0
0 . 1 / 1 6
T C 7 4 V H C U 0 4 F T ( E L
7 R 4 3 6 8
6 5
1 8 K
I C 4 3 6 I C 4 3 6 COAXIAL
R 4 3 6 9 8 9
1 8 K
I C 4 3 6 I C 4 3 6 4
C 4 3 5 9
1 0 1 1 1 2 1 3 R 4 3 6 1
3
C O A X 2
6 8 0
0 . 1 / 1 6 2
R 4 3 6 5
M S P - 2 5 2 V 1 - 3 0 N I
4 . 7 K
D G N D
S T 4 3 9
P J 4 3 7
F G
4 7 0 L
R 4 3 6 7 2
C D CD
3
4 7 0 R
1
R 4 3 7 0
R J - 1 0 6 0 _ 0 9 - 0 3 3 1
C B 4 3 8
R S T R S T
1
S D A S D A
R 4 3 8 7
2
1 2 K S C L S C L
3
G P I O 2
G P I O 2
4
5
to AM/FM TUNER
G N D
T U R R c h
T V C C
J 4 3 5 1
T U L L c h
n o _ u s e
V Q 0 4 7 2 0
4 6 8 1 - 4 7 0 0
T C 2
4 6 9 - 4 7 0
O P E ( 8 ) P N 4 6 9
9 5 1 -
C 4 6 8 1
0 0
1 0 / 1 6
5 2 1 5 1
7 6
V O L
1
L O L
2
A G N D
L O R
3
V O R
4
8 5
C B 4 6 9
V R 4 6 9
1 0 0 K A X 2
L O U D N E S S
C 4 6 8 2
0 0
1 0 / 1 6
LOUDNESS
OPERATION (8)