Yamaha HTR-5140, Руководство по обслуживанию

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DSP-R495/RX-V495RX-V495RDS/HTR-5140/HTR-5140RDS
A B C D E F G H I J K L M N
1
2
3
4
5
6
7
8
9
10
■
SCHEMATIC DIAGRAM (MAIN)
★
All voltages are measured with a 10M
Ω
/V DC electric volt meter.
★
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.
Conditions (RX-V495RDS)
• INPUT
→
CD
• VOLUME
→
minimum(–
∞
)
• IMPEDANCE
SELECTOR
→
Upper
• PRO LOGIC
→
On
61
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
2SA1708(S,T)
2SC4488(S,T) NJM7812FA
NJM78M05FA
2SA893A(D,E)
2SA970(GR,BL)
2SA1015(Y)
2SC1815(Y)
2SC1890A(D,E) 1SS133
1SS176
HSS104
1SS270A
1T2
HZS12C2TD
2SA1694(O,P,Y)
2SA1695(O,P,Y)
2SC3856(O,P,Y)
2SC4467(O,P,Y)
NJM79M12FA
Anode
Cathode
2SC1740S(R,S)
HZS242TD
HZS302TD
D5SB20
E
C
B
2SC2229(O,Y)
2SC2240(GR,BL)
2SC2878(A,B)
E
C
B
E
C
B
1.OUTPUT
2.COMMON
3.INPUT
1.COMMON
2.INPUT
3.OUTPUT
REAR L
REAR L
MAIN
L
MAIN L
MAIN
L
CENTER
CENTER
CENTER
43.1
(31.8)
-43.0
(-31.8)
30.8
30.8
AC67.4
AC50.0
19.7
0
20.0 19.7
0
11.9
-30.2
29.9
9.5
-24.5
24.7
0
5.0
-23.8
0
0
24.1
-20.2
0
-11.7
29.0
0
0.6
-11.5
0
-42.0
13.5
12.9
0.6
0.6
-41.3
0
0
0
-1.1
-41.8
-41.3
0
0
0.6
-11.5
0
-42.0
0.6
0.6
-41.3
0
0
0
-1.0
-41.8
-41.3
0.6
-11.5
0
-42.0
0.6
-41.2
0
0
0
-1.0
-41.7
-41.2
0.6
-11.5
0
-42.0
0.6
-41.2
0
0
0
-1.0
-41.8
-41.2
0.6
-11.5
0
42.0
0.6
-41.2
0
0
0
-1.1
-41.8
-41.2
43.1(31.8)
0
0
0
-43.0
(-31.8)
-43.0
(-31.8)
-0.4
1.0
-1.1
0.5
1.0
43.1(31.8)
0
0.5
-0.5
42.8
43.1
43.0
0
0
0
-0.5
-1.0
43.1(31.8)
0
0
0
-43.0
(-31.8)
-43.0
(-31.8)
-0.4
1.0
-1.0
0.5
1.0
43.1(31.8)
0
0.5
-0.5
42.8
0
0
-0.5
-1.0
43.1(31.8)
0
0
0
-43.0
(-31.8)
-43.0
(-31.8)
-0.4
1.0
-1.0
0.4
1.0
43.1(31.8)
0
0.4
-0.5
42.9
0
0
-0.5
-1.0
43.1(31.8)
0
0
0
-43.0
(-31.8)
-43.0
(-31.8)
-0.4
1.0
-1.0
0.4
1.0
43.1(31.8)
0
0.4
-0.5
42.8
0
0
-0.5
-1.0
-43.1(-31.8)
0
0
0
-43.0
(-31.8)
-43.0
(-31.8)
-0.4
1.0
-1.1
0.5
1.0
-43.1(-31.8)
0
0.5
-0.5
42.8
0
0
-0.5
-1.1
-30.0
-30.5
0
24.0 0.2
-41.7
0.2
0.6
0
0.2
0.7
0.2
23.9
24.0
0.2
0
REGULATOR
MAIN POWERAMP
MUTE
MUTE
REAR
POWER AMP
MUTE
MUTE
MUTE
CENTER
POWER AMP
CENTER POWER AMP
REGULATOR
POWER SUPPLY
REAR POWER AMP
MAIN POWER AMP
RELAY
DRIVE
RELAY
DRIVE
T
O
OPE(5) CB451
P62
H-8
SPEAKERS
PHONES
B A
T
O
INPUT(1) CB110
P60
K-5
SPEAKERS
REAR
(SURROUND)
CENTER
R
L
SPEAKERS
A
B
R
R
L
L
T
O
INPUT(1) CB109
P60
K-3
IMPEDANCE
SELECTOR
VI
VI
T
O
OPE(3)CB805
P62
H-6
T
O
OPE(1) CB803
P62
H-4
:NOT USED
MAIN (1),(2),(5),(6)
MAIN (3),(4),(7),(8)
:NOT USED