Yamaha RX-V2600 Service Manual page 104

A B C
RX-V2600/DSP-AX2600
SCHEMATIC DIAGRAM (FUNCTION 2/2)
1
Page 102 E2
to DSP_W503
2
-11.8
11.9
0
0
0
0
0
3
0
0 0
0
0
0
0
0
0
0
0
0
0
4
5
ANALOG IN
6
7
8
9
10
# All voltages are measured with a 10MΩ/V DC electronic volt meter.
# Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
104
D E F
Page 107 G8
to POWER (5)_W6
-11.8 11.9
6.1 11.9
6.8 0
0 0
-6.6
6.8
0
0
0 -6.6
-6.0
11.7
FRONT L
6.1
11.9
0 0 6.1
0
0 0
0 6.1
0
0 4.9
-6.0 0 0
6.1 0
-6.0
-0.9
PRESENCE L -6.0
-6.0
6.1 0
0 6.1
6.1 0 0
0 0
0
0 0 0
0
0
0 0
-11.7 -6.0
EVOL
0 0
0 0
11.9
0
0 0
0
0
0
CENTER
-6.0
SURROUND L 6.1
0
0
0
0
0
0 0
0
0 EVOL 0
-11.7 0
0
0
0
0
0
11.9
6.1
0
-6.0
0 0
0
0
0
0
0 0 0 0 0 0 0 0 0 0 0 0
0
0 0
0 0
0
-11.7
11.9
0
0
0 0
0
0
SUB
WOOFER L
0
0 0
0 0
0
-11.7
11.9
0
0
0 0
0
0
SURROUND
BACK L
0
0
0
0
0
0
-11.7
G H
12.0
0
0
0
0
0
0
0
0 0
0
0
0
0
0 0
0
0
0
0
0
0
-11.8
0
-11.8
0
0
0
12.0
0
0
0
MIX
L/R
0
0
0 0 0 -11.8
0
0
0
0
0
0 12.0
0 0
0 0
0
0
0
0.7
0 0
0
0
0 0
0
0.7
0 0
0
0
0 -11.8
0
0
0
0
12.0
0
0
0
0 0
0.7
0 0
0 0
-12.0
0 0
0
0
0
-11.8
IC601, 603: NJU7311AM IC602: NJU7312AM
Analog function switch Analog function switch
L1 2 29 R1 L1 2
L2 3 28 R2 L2 3
L-COM1 4 27 R-COM1 L3 4
L-COM1 5
L3 5 26 R3
L4 6
L4 6 25 R4
L-COM2 7 24 R-COM2 L5 7
L6 8
L5 8 23 R5
L-COM2
9
L6 9 22 R6
L7 10
L-COM3 10 21 R-COM3
L8 11
L7 11 20 R7
L-COM3 12
L-COM4 12 19 R-COM4
ST 14
ST 14 17 DATA
Control Circuit
Control Circuit
V
V DD 30 16 CK DD 30
V 1
V EE 1 15 Vss EE
I J K
-11.8
-11.8 12.0 12.0
0
0 0 0
0
0
0 0
FRONT L
SURROUND L
0
-12.0 -12.0
0
0
-12.0 -12.0
CENTER
0
0 0
0
0 0
0
0 0
0 0
0
0
0 0
0 0
0 0
0 0
0 0
0
0.7
0.7
0
0 SURROUND
0.7 0.7 BACK L
0
SUB WOOFER L
0
-12.0
-12.0
0
0
-12.0 -12.0
0
0
0.7
0.7
0
0
-12.0
-12.0
0
FUNCTION (2)
IC604: NJU7313AM
Analog function switch
29 R1 L1 2 29 R1
28 R2 L2 3 28 R2
27 R3 L3 4 27 R3
26 R-COM1 L4 R4
5 26
L-COM1 R-COM1
25 R4 6 25
L5 7 24 R5
24 R5
23 R6 L6 8 23 R6
R-COM2 L-COM2 9 22 R-COM2
22
L7 R7
21 R7 10 21
L8 R8
20 R8 11 20
L-COM3
19 R-COM3 12 19 R-COM3
ST
17 DATA 14 17 DATA
Control Circuit
V
CK DD 30 16 CK
16
V
15 EE 1 15 Vss
Vss
L M N
IC611: YAC523-EVR2
Digital Volume
IN1
3
0~95dB
+ 100
OPA 34 OUT1
–
REF1B
25 0~+31.5dB
REF1A 24
VolA: 30kohm
IN2 4
0~95dB
+ 100
OPA 33 OUT2
–
REF2B 23
0~+31.5dB
REF2A 22
VolA: 30kohm
IN3 5
0~95dB
+ 100
OPA 32 OUT3
–
REF3B 21
0~+31.5dB
REF3A 20
VolA: 30kohm
IN4
6
0~95dB
+ 100
OPA 31 OUT4
–
REF4B
19 0~+31.5dB
REF4A 18
VolA: 30kohm
Zero Crossing
Zero Crossing CH1, 2, 3, 4 Control
Detector
Zero Crossing Detector
Zero Crossing Detector 45 TE1
Detector
44 TE2
39 ZCEN2
AVDD 2
ZCEN1
38
DGND 46 Control
REF Register 43 SDATAO (OD)
47
AVSS 1 41 SDATAI
S/P
56 Register 42 SCLK
CSN
Zero Crossing 40
Zero Crossing
Detector Zero Crossing
Detector CH5, 6, 7 Control
Detector
VolA: 30kohm
REF5A 17
0~+31.5dB
REF5B 16
100
+
0~95dB OPA OUT5
20
–
IN5 7
VolA: 30kohm
REF6A 15
0~+31.5dB
REF6B 14
100
+
0~95dB
OPA 19 OUT6
–
IN6 8
VolA: 30kohm
REF7A 13
0~+31.5dB
REF7B 12
100
+
0~95dB
OPA 18 OUT7
–
IN7 9
IC612, 614, 615, 616: µPC4570G2
Dual OP-Amp
OUT 1 8 +V
1 CC
–IN 2 7 OUT
1 2
+ – + –
+IN 1 3 6 –IN 2
–V CC 4 5 +IN 2
IC605~609, 613: NJM2068MD-TE2 IC610: YAC526-EZE2
Dual OP-Amp 2ch high grade digital volume LSI
100 ohms
OUT 1 1 8 +V CC IN1
0 ~ -95dB
OUT1
Vol B:
0 ~ +31.5dB
10 k-ohms
–IN 1 2 7 OUT 2 OPAmp
+ – + –
REF1B
+IN 3 6 –IN REF1A
1 2
Vol A:
15 k-ohms
–V CC 4 5 +IN 2
Zero TE1
AVDD Crossing TE2
Detector TE3
DGND
ZCEN1
Control
ZCEN2
REF Register
SDATAO(OpenDrain)
AVSS
Zero S/P SDATAI
DVSS Crossing 16 Register SCLK
Detector CSN
Vol A:
15 k-ohms
REF2A
REF2B
Vol B:
0 ~ +31.5dB
10 k-ohms 100 ohms
OUT2
0 ~ -95dB
IN2
OPAmp