Yamaha RX-V396, Руководство по обслуживанию

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A
1
2
3
4
5
6
8
DSP-R396/RX-V396/RX-V396RDS/HTR-5230/HTR-5230RDS
B C D E F G H I J K L
7
E-63/J-59
■
SCHEMATIC DIAGRAM [DSP]
★ 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.
REAR L
DIGITAL
IN
CENTER
MAIN L
(DSP)
LFE
5
6
4.7 2.3 2.3 2.3
0
3.1
0
3.1
2.4
2.4
1.5
0
2.3
0.7
4.6
0.1
0
3.1
0
0
0
0
0
0
0
0
0
0
2.4
2.4
0.1
3.3
0
3.1
4.7
0
4.7
0
4.8
3.1 0 1.7 3.1 0 2.3 0 0 0 4.7 0
4.7
0.8 4.8 4.8
0
4.8
0
0.8
0.2
0
0.2
0.4
0
0.7 4.8 2.3
0
0.1
2.3
~
~
0
~
~ ~
~ ~ ~
2.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4.8
0
4.8
4.8
0.1
4.4
4.8 4.8
2.4
2.4
2.4
4.8
4.8
4.8
4.8
4.8
0
4.8
2.3
2.3
2.4
2.4 2.3 4.8 1.4 1.5
0
0
0
0
0
0 0 0 0
2.0
2.0
4.8 4.7
0
4.8
2.3
2.3
2.3
2.2
2.
4
2.
4
2.
4
2.
4
0
0 0 0
2.4
4.9
4.9 4.9 4.9
2.4 2.4 2.4
24.2
2.4
2.4
2.4
24.2
2.4
2.4
2.4
–24.1
2.4
2.4
2.4
-24.1
24.2
-0.1
-0.1
0
0
0
0
-24.1
24.2
-0.1
-0.1
0
0
0
0
-24.1
24.2
0
0
0
0
0
0
–24.1
2.4
2.4
2.4
3.8
0 0 0 0 4.8 0 4.7
2.4 2.4
2.3
0
0
2.4 2.4 2.4
1.4
0.1
2.4
2.4
0
0
0
4.9
0
0
2.4
2.4
2.4
4.5
0
0
0
0
3.3 4.8
0.1
0 0 0
2.3
~
2.3 2.3
~
~
4.6 2.5 0.8 0.8
~ ~
0.2 0.4 0.2
2.3 0.7 0.7
0
~
0.1
2.3
0
2.3
A/D,D/A
CONVERTER
(CODEC.
ADC/DAC)
+3.3V
REGULATOR
L.P.F
DSP AMP
DSP + AC-3/PRO-LOGIC
DECODER
(AC3Dav)
STATIC RAM (256K SRAM)
DIGITAL FORMAT INTERFACE RECEIVER
(DIR2)
TO INPUT(1) #2
page E-60/J-56 G-8
T
O
INPUT(1) #3
page E-60/J-56
D-1
TO INPUT(3) #1
page F-61/J-57 E-4
•
IC3: YM3436DK
→
See page 29(EX), 25(J)
•
IC4: YSS908-F
→
See page 30~32(EX), 26~28(J)
•
IC5: LP61256GS-8Q
→
See page 33(EX), 29(J)
•
IC6: CS4227-KQ
→
See page 34(EX), 30(J)
2V SAMPLE 50ns
0V
Point
6
Pin 28 of IC6
V : 2V/div
H : 50nsec/div
DC range 1 : 1 probe
2V SAMPLE 50ns
0V
Point
5
Pin 13 of IC3
V : 2V/div
H : 50nsec/div
DC range 1 : 1 probe
IC2 : HD74HC02FPEL
Quad 2-Input NOR IC1 : NJM2904M
IC8~12 : M5220FP
Dual OP-Amp
1B 1A 1Y 2Y 2A 2B
GND
Vcc 4A 4B 4Y 3Y 3B 3A
1 2 3 4 5 6 7
14 13 12 11 10 9 8
A OUT
A –IN
A +IN
V–
V+
B OUT
B –IN
B +IN
1
3 8
2
7
6
5
12
11
14
7
13
2
3
1
4
4
5
10 8
Conditions (RX-V396RDS)
• INPUT
→
CD
• VOLUME
→
minimum(–
∞
)
• IMPEDANCE
SELECTOR
→
Left
• PRO LOGIC
→
On
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
LP61256GS-8Q 1SS355
YM3436DK
CS4227-KQ
YSS908-F
NJM2904M
M5220FP
UPC29M33T-E1 HD74HC02FPEL 2SC3326(A,B)
DTA143EKA
Anode
Cathode
C
B
E
28
14
23 22
12
11
1
23
34
33
50
31
30
1 100
81
80
51