Yamaha DSP-AX1800, Service Manual

Page: 125 / 181

IC350
IC350
IC354
CB350
W301A
IC354
CB351
W3503
IC355
IC351
IC351
IC356 IC352
IC352
IC353
IC353
IC359
IC360
IC358
IC357
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V1800/HTR-6190/DSP-AX1800
125
★
All voltages are measured with a 10M
Ω
/V DC electronic voltmeter.
★
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.
FUNCTION 4/4
CENTER
FRONT L
SURROUND L
SURROUND
BACK L
SUBWOOFER
0
0
0
0
0 0
0
0
-6.1
0
6.1
3.5
2.4
0
0
0
0
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0 0
0 0
0
-6.1
0
6.1
0
0
0
0
0
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-0.2
-0.2
0
0
0
0
0
0
0.8 0.8
6.3
4
.9
0 0
-2.1 0 0
0 0
0 0 0.1 -3.0 0
0
6.3
-6.1
6.3
0 0 0.1 0.1 0 0 0
-2.9
0 0
0.8
0.8
0
0
0
0
0.2 0
0
0
1.3
0
-6.0
0.9
0
6.3
4.7
6.3
6.3
0
0
0.1
6.3
-6.1
-6.1
6.3
0
0
0
-0.2
0
0
0
0
0
0
0
0
-11.3
11.7
0
0
11.3
-11.8
F-SW1
F-SW1: INPUT FUNCTION 1
F-SW2: INPUT FUNCTION 2
*
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
IC355, 356 : BD3841FS
Function switch
DGND
F-SW2
CL DA VEE BIAS VCC RECA1 RECA2 RECB1 RECB2 RECC1 RECC2 OUT1 OUT2 INI1 INI2
INA1 INA2 INB1 INB2 INC1 INC2 IND1 IND2 INE1 INE2 INF1 INF2
ING1 ING2
INH1 INH2
LOGIC
+ – + – + – + –
IC350, 351 : NJM2068MD-TE2
Dual operational amplifier
OUT 1
OUT
2 –IN 1
+IN 1
+IN 2
-IN 2
–V CC
+V CC 1
2
3
4
8
7
6
5
+ – + –
IC359, 360 : NJW1119AV
3-band tone control IC
+ 3-Band TONE
Control Logic
VDD
Ref 5V
3-Band TONE
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
32
InB GND SWCB OutB GND T
one_T
r1b
T
one_Mi1b
T
one_Mi2b
T
one_Ba1b
T
one_Ba2b
NC NC V+ V- ADR1 ADR0
InA
GND
SWCA
OutA GND
T
one_T
r1a
T
one_Mi1a
T
one_Mi2a
T
one_Ba1a
T
one_Ba2a
NC
GND
VDDout
D
ATA
CLOCK LA
TCH
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
–
–
+
SCLK
SDATAO
TE1
DGND
REF
DVSS
AVDD
IN1
IN2
AVSS
1
2
3
4
5
6
7
8
9
10
11
12
SDATAI
CSN
ZCEN2
ZCEN1
OUT1
OUT2
24
23
22
21
20
19
18
17
16
15
14
13
TE2
TE3
REF1A
REF1B
AVSS
AVDD
REF2A
REF2B
IC357, 358 : YAC526-EZE2
2-chnnel high grade digital volume LSI
IN1
REF1A
OUT1
OUT2 0 ~ -95dB
0 ~ -95dB
0 ~ +31.5dB
0 ~ +31.5dB
REF2A
IN2
Zero
Crossing
Detector
Zero
Crossing
Detector
Control
Register
S/P
Register
16
TE3
ZCEN1
ZCEN2
SDATAO(OpenDrain)
SDATAI
SCLK
CSN
AVSS
DGND
REF
AVDD
REF1B
REF2B
OPAmp
TE2
TE1
Vol A:
15 k-ohms
Vol A:
15 k-ohms
Vol B:
10 k-ohms
Vol B:
10 k-ohms
OPAmp
DVSS
100 ohms
100 ohms
FUNCTION (2)
to FUNCTION 3/4
to FUNCTION 3/4
to FUNCTION 3/4
(U, C, R, T, K, A, B, G, E, L models)
to FUNCTION 3/4
to FUNCTION 3/4
REC/ZONE2
SELECTOR
T-CONTROL
T-CONTROL
E-VOLUME
INPUT/ZONE3
SELECTOR
to FL (4)_CB963
Page 137 L2
to FL (2)_CB967
Page 137 H8
to DSP_CB560
Page 121 F1
to OPERATION (3)_CB806
Page 126 E3
to FUNCTION 3/4