Yamaha RX-V595 Service Manual page 52

A B C
RX-V595/R-V905/RX-V595RDS
SCHEMATIC DIAGRAM (DSP)
1
2
DIGITAL
IN
~ ~
3
0
4
Point 5
Pin 13 of IC3
V : 2V/div H : 50nsec/div
AC range 1 : 1probe
5
0V
2V SAMPLE 50ns
6
Point
Pin 13 of IC4
V : 2V/div H : 50nsec/div
6
AC range 1 : 1probe
0V
2V SAMPLE 50ns
7
8
9
10
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC's.
11
1SS335 UPC29M33T-E1 NJM2904M
2SC3326(A,B)
DTA144EKA uPC4570G2
DTC144EKA
Anode
Cathode
61
D E F
TO INPUT(3) CB354
P58 M-8
4.9
0 8
3
1
2 0
0
4
0
4.9
14
~ 11
13 5
12
~ 7
~
8
~ 7 6 ~
~
9
10 0 2.2
3. 1
2. 4
2. 4
2. 7
0
2. 4
0. 9
4. 7
0. 2
0
3.1
0
0
0
0
0
0 0
DIR
0
0 0
0
~
0
0
0
0
4.9
0
4.9 0
4.9
5
4.9
0 2.4
4.9 2.3
2
2.4
3
4.9
0
0 DSP 0
0
CONTROL
4.9 0
4.9
0
0 1.3
4. 9 1.3
4.9
LC87F5164A
4.9
(LC875164A-5K20) ~
0
4.9
4.9
4.9
0 4.9
0 4.9
6
0 4.9
4.9
0
TO INPUT(1) CB106
P58 H-8
AK4320 AK4526
HD74HC02FP M5M51288BKJ-20LTE LC87F5164A
13
24
12
G H I
0
2.4
DOLBY DIGITAL
2.4
2.7
PRO-LOGIC DECODER
2.7
+
2.4
2.4
DSP
2.4
2.3
3.1
0
4.7
4.8
2.4
1
RAM
4.9 3.2
0
IC1 : NJM2904M IC2 : HD74HC02FP
IC8~13 : uPC4570G2 Quad 2 Input NOR
Dual OP AMP
14
A OUT V+
A –IN B OUT
A +IN B –IN
1
V– B +IN
YSS908-F
• IC3~6, 14→See page 29~35, IC DATA
J K L
4.8 4.8
2.4
4.8
4.8 2.4 11.9
8 6
7 2.4
0 0
2.4
2.4 2.4 5
0 2.4
ADC/
0
2.4
2.4
2. 4 DAC
2. 4 2.4
2.4
2. 7 2.9 2.4
3
2. 7 2.9
0 1
0
2. 4 2.4
2.4 2.4 2.4 2
~ 2.4 4
-11.7
0 2.4 0
0
0
2.7
MUTING
4.7
-11.2
-11.2
DAC 0
0 0
- 11.1
0
0 0 0 0
0
0
0
-11.2
- 11.1
0 0
0 0 -11.2
4. 9 0
0
0 4 .9
0
2. 3 4 .9
4. 9 2 .4
2. 4 3 .7
~
3 .8
2. 4 0 0
0 4 .9 0
0
0 0
4. 9 0
- 11.1
0
0
0.5 0
-11.2 - 11.1
0 0.2 0.2
0
0. 5 0.2
0
4.9
4.9
0
0
0
0
MUTE
0
DRIVE
- 11.1
0
0
- 11.1
0
0
0
0
- 11.1
0
0
- 11.1
0
0
0
IC7 : AK4320
1 bit D/A Converter
13 12 11 10 9 8
2 3 4 5 6 7
M N O
L.P.F
6
2.4
7
2.4 5
MAIN L
2.4
4
2.4
(DSP)
-11.7
2.4 11.9
8 3
1 2.4
2.4 2
2.4
2.4
DSP AMP
0
11.9
0
0
MAIN
L
0
0
0 -11.7
11.9
0
FRONT L
0
-11.7
CENTER
11.9
0
REAR L
0
-11.7
Conditions (RX-V595RDS)
→ CD
• INPUT
→ minimum(–∞)
• VOLUME
• IMPEDANCE
→ Upper
SELECTOR
• PRO LOGIC → On
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.