Yamaha RX-V595a, Руководство по обслуживанию

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RX-V595a/HTR-5150/RX-V595aRDS
A
1
B C D E F G H I J K L M N
2
3
4
5
6
7
8
9
10
MAIN L
AC6.5
AC47.7
AC31.2
9.4
4
-29.7
0
29.3
18.8
-19.5
10.0
-29.5 -29.5 -22.2 -22.2 -29.5 -29.5 -29.5 -29.5 -29.3 -26.7 -29.3 -24.1 -26.6 -27.0 -27.0 -27.0 -27.0 -27.0 -27.0 -27.0 -27.0 -27.0 -27.2 -27.2 -27.2 -27.2 -27.3 -27.3 -27.3
4.8
-8.9
-19 .6
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.0
-27.2
-27.2
-27.2
-27.2
-27.3
-27.3
4.1
4.1
0
4.8
-11.7
4.3
4.8
4.8
4.8
-11.7
0
0
0
4.8 5.5
6.1
13.2
5.8
12.4
0
13.1
6.5
0
5.5
4.8
-29.7
-22.7
4.8 4.8
0
13.2
4.8
0
0
4.8
4.8
0
4.8
0
4.8
0
0
0
4.4
4.5
0.1
4.8
5.0
4.8
0.1
0 0
4.8 4.8 4.8
4.
8
4.8 5.0
0
2.1 2.5 4.8
0 0 0 0
0
0.3
0
1.9 4.4 4.8
4.8
-27.3
-22.2 -22.2 -29.3 -24.2 -29.3 -24.5
-27.4 -29.6
-19.6 -8.9
~ ~ ~
-29.5 -29.5 -29.5 -29.5 -29.5 -29.5
0 4.8 4.7 4.8
4.8
4.8
3.2
0
-29.3 -26.7 -29.3 -24.1 -26.6 -29.3 -24.2 -29.3 -24.5 -29.7
~ ~
~
~
~
~ ~ ~ ~
~ ~
3
0
0
0
1.9
0
0.3
0
0.2
0.3
0
0
0
13.1
13.1
0.7
AC12.6
0
0.1
-11.7
0.1
0
0.1
11.8
0.1
0
0
0 0
0 0
-11.6
-11.6
11.8
0
0
0
-11.7
0
4.1 4.1
0
SYSTEM & DSP
CONTROL
TONE CONTROL
SUB POWER SUPPLY
POWER SUPPLY
T
O
VIDEO CB302
page 61
H-3
T
O
MAIN(1) CB505
page 63
J-4
T
O
INPUT(1) CB108
page 62
J-1
T
O
MAIN(1) CB506
page 63
J-5
T
O
MAIN(7) CB722
page 63
#17
AC OUTLETS
VOLTAGE
SELECTOR
OPE(2),(3),(4)
S VIDEO
AUDIO
VIDEO
TAPE/MD MON
/EXT.DECODER
N-9
T
O
INPUT(1) CB104 page 62
G-8
OPE(1)
:NOT USED
:USED
:NOT USED
:USED
#13
TO PO
WER
TRANSFORMER
LC876564A-5M19
■ SCHEMATIC DIAGRAM (OPERATION)
★ 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.
IC801, 802 : NJM2068LD
Dual OP-Amp
1
OUT1
2
–IN1
3
+IN1
4
–Vcc
5
+IN2
6
–IN2
7
OUT2
8
+Vcc
+
–
+
–
• IC800: LC876564A-5M19
→
See page 26~28
Conditions (RX-V595aRDS)
• INPUT
→
CD
• VOLUME
→
minimum(–
∞
)
• IMPEDANCE
SELECTOR
→
Upper
• PRO LOGIC
→
On
64
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
2SC4488(S,T) LC876564A-5M19
2SA933A(Q,R)
2SC1740S(R,S)
DTA144ES
DTC144ES
1SS133
1SS176
HSS104
HZS5B2TD
HZS6C2TD
HZS7B2TD NJM2068LD
Anode
Cathode
S1NB20
HZS7C2TD
HZS12B2TD 2SD2396(J,K)
E
C
B
E
C
B
8
2SC2878(A,B)
Point 3
(Pin 16 of IC800)
V : 2V/div
H : 50nsec/div
AC range 1 : 1 probe
2V SAMPLE 50ns
0V
Point
4
CH1 : Pin 11 of IC800
CH2 : Emitter of Q806
V : 2V/div
H : 0.5sec/div
DC range 1 : 1probe
2V 2V SAMPLE 0.5s
0V
CH1
(CH1)
(CH2)
CH2
0V
Disconnect the
power cord from
the AC outlet.
This waveform is not available by pushing the
power switch ON and OFF.
With the POWER
switch turned ON,
connect the
power cord to the
AC outlet.