Yamaha RX-V595 Service Manual page 50

A B C
RX-V595/R-V905/RX-V595RDS
SCHEMATIC DIAGRAM (MAIN)
1
REGULATOR
29.4
12.8
13.4
2 0
MAIN POWERAMP
MUTE 0.6
0.6
0
0 -11.6
-41.7
0
3
MAIN
L
0.6
MUTE
4
0.6
0
0 -11.6
-41.7
0
REAR
5
POWER AMP
REAR L
MUTE
0.6
0
0 -11.6
-41.7
0
6
MUTE
0.6
7 0
0 -11.6
-41.6
0
CENTER
CENTER
POWER AMP
8
MUTE
0.6
0
0 -11.6
-41.6
0
9
10
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC's.
11
D5SB20 2SC1740S(R,S) 2SA893A(D,E) 2SC2229(O,Y)
1SS133 HZS242TD
1SS176 HZS302TD 2SA970(GR,BL) 2SC2240(GR,BL)
HSS104 2SA1015(Y) 2SC2878(A,B)
1SS270A 2SC1815(Y)
1T2 2SC1890A(D,E)
HZS12C2TD Anode
B
C
E
Cathode
E
C
59 B
D E F
MAIN POWER AMP
43.5(30.2)
1.0
43.5(30.2)
0.5
1.0 0.5
0
0
-0.5
0
-1.1
0.6
0
-42.5
0
-0.6
-0.6
0
-1.1
-43.5
(-30.3) 0
1.1
-41.7 -43.5
MAIN (-30.3)
L
-42.3
43.5(30.2)
1.0
43.5(30.2)
0.5 0.5
43.3
1.0
0
0
0
-0.5
0.6 -1.1
0
-42.5
0
-0.6 -0.6
0
-1.1
-43.5
1.1 (-30.3) 0
-43.5
-41.7
(-30.3)
REAR POWER AMP
-42.3
43.5(30.2)
1.0
43.5(30.2)
0.5
43.3
1.0 0.5
0
0
-0.4
-1.1
0.6
0
0
-42.5
0
-0.6
0
-0.6
-1.1
-43.5
(-30.3)
1.1
-43.5
-41.7
(-30.3)
-42.3
43.5(30.2)
1.0
43.5(30.2)
0.5
0.5 43.3
1.0
0
0
-0.4
-1.1
0.6
0
-42.5 0
0
-0.6
-0.6
-1.1 -43.5 0
(-30.3)
-1.1
CENTER
-41.6 -43.5
(-30.3)
CENTER POWER AMP
-42.3
43.5(30.2)
1.0
43.5(30.2)
0.5
0.5
43.3
1.0
0
0
-0.5
0.6
-1.1
0
42.5 0
0
-0.6 -0.6
0
-1.1 -43.5
-1.1
(-30.3)
-41.6
-43.5
(-30.3)
-42.3
2SA1492(O,P,Y)
2SA1708(S,T) NJM7812FA
NJM79M12FA
2SC4488(S,T) 2SA1695(O,P,Y) NJM78M05FA
2SC3856(O,P,Y)
2SC4468(O,P,Y)
1.OUTPUT 1.COMMON
2.COMMON 2.INPUT
3.INPUT 3.OUTPUT
B
C
E
G H I
43.5
43.4
0
MAIN L
43.3
0
RELAY
DRIVE
0
20.3 0.1
0.1
0.6
0
-42.5
-29.8
-30.2
0
0
REAR L
OUTPUT
REAR
(SURROUND)
RELAY
0
CENTER
DRIVE
SPEAKERS
L
REAR
(SURROUND)
20.4 0.1
R
CENTER
20.3 0.1
0.7
0.1
0
0
CENTER
J K L
OUTPUT
R
MAIN
L
SPEAKERS
L
A
R
L
B
R
:NOT USED
PHONES
B A
SPEAKERS
POWER SUPPLY
L
43.5
(30.2)
R
29.4
-43.5
(-30.3)
IMPEDANCE
SELECTOR
23.9
-23.6
-11.8 -19.5
5.0 9.5
0 0
REGULATOR
Conditions (RX-V595RDS)
→ CD
• INPUT
→ minimum(–∞)
• VOLUME
• IMPEDANCE
→ Upper
SELECTOR
• PRO LOGIC → On
M N O
AC68.4
AC48.0
29.3
24.6
0
0
-24.2
-29.7
11.9 18.8 12.1 18.8
0 0
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.