Yamaha HTR-6280, Service Manual

Page: 127 / 166

A
1 2 3 4 5 6 7 8 9
10
BCD
E
F
G
H
I
J
K
L
MN
127
MAIN 2/2
RX-V1065/HTR-6280/AX-V1065
★
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.
●
電圧は、内部抵抗
10MΩの電圧計で測定したものです。
●
⚠印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、 パーツリストに記載されている部品を使用してください。
●
本回路図は標準回路図です。改良のため予告なく変更することがございます。
IC153
W117B
W111B
W117A
W115
CB157
CB153 CB154 CB155
CB158
W115
CB152
IC152 IC152
IC152 IC152 IC152
IC152
IC154
W113
CB156
IC154
0.3
0
0 0 0
0.3 4.0 0.4 0.4
5.0
5.0
4.0
0
5.0
0
0
5.0
2.5 2.7
5.0
5.0
0
0 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-7.1
0
0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 12.1
-11.9 -11.7 -11.7 -11.7 -11.7
0 7.0
0
0.8
0.8
0
0
0
0
0.8
0.8
0
0
0
0 -7.1
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0
7.0
2.5
2.5 5.0
5.0
-11.7 -11.7 -11.7 -11.7 -11.7
-11.7
0 0
0 0
-11.7 -11.7 -11.7 -11.7
-11.7 -11.7 -11.7 -11.7
-11.8
-11.8
0
0
0
0
3.3
3.3
1.2
0
-0.9
2.9
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
-11.7
-11.7
-11.7 -11.7
0 0
0 0 0 0
0
0
11.5
0
0
0 0
-11.4
0 0 0 0 0 0 0
0
0
0
ANAL
OG IN
ANAL
OG IN
FR
ONT L
CENTER
SURR
OUND L
SURR
OUND
B
A
CK L
SUB
W
OOFER
DIGIT
AL IN
IC154
: NJM4565M
Dual operational amplifier
8 2, 6 3, 5
1, 7
4
V+
–INPUT +INPUT
V–
OUTPUT
IC152
: TC74VHCU04FT
Hex inverters
VC
C
6A 5A 4A 6Y 5Y 4Y
GND
3Y 3A 2A 1A 2Y 1Y
1 2 3 4 5 6 7
14 13 12 11 10 9 8
IC1
53
: R2A1
5220FP
8-channel electr
onic v
olume with 1
1
input select
or and t
one contr
ol
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 80
81
79
MUTE A VEE
ADCL
ADCR A
GND INR1 INR2 INR3 INR4 INR5 INR6 INR7 INR8 INR9 INL1 INL2 INL3 INL4 INL5 INL6 INL7 INL8 INL9
INR12
INL12
INL14
RECR3
RECL3
INL1 1/RECL5
INR13
INR14
INL13
FLIN1
FRIN1
CIN1
SWIN1
SLIN1
SRIN1
SBLIN1
SBRIN1
SBLC
SBL Pre-OUT
SBL OUT
INRA/RECR1 INLA/RECL1 INRB/RECR2
INR1
0/RECR4
INR1
0/RECL4
INR1
1/RECR5
INLB/RECL2
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9 8 7 6 5 4 3 1 2
FRC FR
OUT
FL
OUT
FLC CC COUT SW
OUT
SR
OUT
SL
OUT
SBR OUT SBR P
re-OUT
SL P
re-OUT
SR P
re-OUT
FL P
re-OUT
FR P
re-OUT
SBRC SWC SRC SLC A
GND
A
GND
A GND A
GND
A
GND
TREL TRER B
A
SSL2
B
A
SSR1
B
A
SSR2
B
A
SSL1
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
1
0
0
50
A
VEE
0/-6/-1
2/-1
8dB
AT
T
SUB
SUB2
0~95dB
,
-∞
(0.5dBst
ep)
MAIN
MAIN
MAIN
SUB
SUB
CLOCK
DA T A
DGND
SUBR1
SUBL1
SBLCIN
SBRCIN
FRIN2
FLIN2
SRIN2
SLIN2
SWIN2
SBRIN2
SBLIN2
SLCIN
SRCIN
SUBR2
SUBL2
AVC C
CIN2
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
MCU
I/F
AV
C
C
REC
T
one
T
one
Bass/T
re
b
le
-1
4~+1
4dB
(2dBst
ep)
+42~0dB
(0.5dBst
ep)
+42~0dB
(0.5dBst
ep)
+42~-95dB
-(0.5dBst
ep)
+42~-95dB
-∞(0.5dBst
ep)
+42~-95dB
-∞(0.5dBst
ep)
+42~-95dB
-∞(0.5dBst
ep)
+42~-95dB
-∞(0.5dBst
ep)
+42~-95dB
-∞(0.5dBst
ep)
Bass/T
re
b
le
-1
4~+1
4dB
(2dBst
ep)
0~-95dB
,
-∞
(0.5dBst
ep)
Bypass
Bypass
T
one+MIX
T one+MIX
T
one
T
one
ZONE2
OUT
AUDIO 2
AUDIO 1
AV OUT
AV 6
AV 5
AV 1
OPTICAL
(TV)
OPTICAL
COAXIAL
COAXIAL
(CD)
AV 3
AV 2
AV 4
AUDIO
OUT
MULTI CH INPUT
PRE OUT
SUBWOOFER 2
SUBWOOFER 1
SUBWOOFER
SURROUND BACK
SURROUND BACK
SURROUND
SURROUND
FRONT
FRONT
RL
RL
RL
RL
RL
RL
CENTER
CENTER
MAIN (1)
BUFFER
RX-V1065 / HTR-6280 (U model) / AX-V1065
RX-V1065 / HTR-6280 (U model) / AX-V1065
to
MAIN 1/2
to DIGITAL_CB23
P
age 120
E2
to MAIN (1)_CB158
C7
to MAIN (1)_CB157
H4
to OPERATION (2)_CB451
Page 125 B8
to OPERATION (2)_CB456
P
age 125
D8
to OPERATION (2)_CB454
P
age 125
C8
to OPERATION (2)_CB457
P
age 125
E8
P
age 127
P
age 127