Yamaha HTR-5940, Руководство по обслуживанию

Страница: 72 / 99

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-V459/HTR-5940/HTR-5935/DSP-AX459
72
★
All voltages are measured with a 10M
Ω
/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.
FUNCTION
ANALOG IN
SUB
WOOFER
SURROUND
BACK L/R
SURROUND L
CENTER
FRONT L
0
0
0
0
11.9
-12.0
0
0
0
0 0
0
0
11.9
0
0.1 0.1
-11.9
-11.9
0
0.1
0
-11.9
0.1
0
-11.9
0.1
0
-11.9
0.1
0
0.8
0.1
0.1
0
0
-11.9
-11.9
0.1
0.1
0
0
0.8
0.8
10.1
9.4
9.4
0.1
0.1
0.1
0.1
0.1
0.1
-10.1
-10.1
-10.8
00
7.8
0
0
-7.7
-7.6
7.8
00
-6.9
7.1
-10.7
10.6
6.5
6.5
0
11.9 5.8
1.0
1.0
1.0
0
0.1
0.1 0.1
0.1 0.1 0.1
0
7.1 -6.9
0
0 0
0 0
0
0 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0 0.1
0.1 0
0.1
0.1 0.1 0.1
0.1
0.1
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0
0.1
0
0
0.1
0
0.1
0
0.1
0.1
0.1
0.1
0
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
-6.9
0
7.1
0
0
0
0
0
0
0
0
0.1
0
0.1
0.1
0
0
0 0.2 0.3 0.2 5.5 5.8 2.5
3.2 3.2 5.3
0
3.1 3.1
0 0
2.7
C-2
0.7
0.1
0.7
0.1
0.1
0
-4.9
0
5.0
0
0
0
0
0
0.1
0.1
2.5 2.5
0.1
0.1
0
0.1 0 0
0
4.9
2.5 2.5 2.5
4.9
4.9 4.9
0.6
0.1
0.6
0.1
0.1
0.6
0.1
0.6
4.9
5.0
2.9
2.9
0.7
0.1
0.7
0.1
0.1
0
-4.9
0
5.0
0.1
0.1
0.5
0.5
0.1
0.6
0.6
0
-4.9
0
-4.9
0
-4.9
2.9
5.0
0.1
5.0
0.1
5.0
0.1
0
0.7
0.1
0.1
0.1
0.1
0
-5.0
0
5.0
0.4
0.1
0.3
0.1
0.1
0.6
0.6
0.1 0.1
5.0 5.0 5.0
to DSP_CB1
Page 69 B3
to MAIN (1)_W1028
P
age 74
B3
to MAIN (1)_W1027
P
age 74
B2
to OPERA
TION (1)_W3002
P
age 73
E9
to OPERATION (5)_W3007
Page 73 G6
to DSP_CB56
Page 71 C1
to OPERATION (2)_W2501
Page 73 L3
to OPERATION (2)_CB252
Page 73 J3
to DSP_CB2
Page 69 B7
to TUNER
to POWER TRANSFORMER
to OPERATION (4)_CB308
Page 73 D2
FUNCTION (2)
FUNCTION (1)
FUNCTION (4)
FUNCTION (3)
INPUT
SELECTOR
INPUT
SELECTOR
INPUT SELECTOR
OUTPUT
AMP
EXTENSION
SELECTOR
R, L models
IC290 : NJM2581M
Video amplifier
13 VOUT1
11 VOUT2
9 VOUT3
8 GND
10 V+3
14 V+1
12 V+2
2 NEE1
4 VEE2
6 VEE3
7
PowerSave
5 VIN3
1 VIN1
3 VIN2
75

Driver
6dB
AMP
BIAS
75 
Driver
6dB
AMP
BIAS
75

Driver
6dB
AMP
BIAS
REF
IC200 : BD3816K1
7-channel volume IC for 7-channel
BD3816K1
1
2
3
4
5
6
7
TREBLE
RE
C A RE
C B RE
C C
FRL select
6.1ch select
Input
select
BASS
Output
mode
select
Master
Volume
ING SW
8
9
10
80 79
11
12
13
14
15
73
22
23
24
78 77 76 75 74
16
17
18
19
20
21
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
43
42
41
49
48
47
46
45
44
72 71 70 69 68 67 66 65
25 26 27 28 29 30 31 33 34 35 36 37 38 39 40
LOGIC
32
+
+
AGND1
INA1
INA2
INB1
INB2
INC1
INC2
IND1
IND2
INE1
INE2
INF1
INF2
AGND2
INDVDFR
INDVDFL
INDVDC
INDVDSR
INDVDSL
INDVDCB
INDVDSW
AGND3
OUT1
OUT2
VINFR
GOUTFL
VINFL
AGND10
TNF1
TNF2
BNFA1
BNFB1
BNFA2
BNFB2
OUTFR
OUTFL
AGND9
OUTC
OUTSR
OUTSL
OUTCB
AGND8
OUTSW
AGND7
VINC
GOUTC
VINSR
GOUTSR
A
G
ND13
R
O
UTC2
R
O
UTC1
R
O
UTB2
R
O
UTB1
R
O
UT
A2
R
O
UT
A1
A
G
ND12
VCC VEE A
G
ND11
DA CL MUTE THGND GOUTFR
A
G
ND4
INDSPFR INDSPFL
INDSPC
INDSPSR INDSPSL INDSPCB INDSPSW
A
G
ND5
GOUTSW
VINSW A
G
ND6
GOUTCB
VINCB
GOUTSL
VINSL
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
IC202 : 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
+ – + – + – + –
IC205, 207 : NJM4565M
Dual operational amplifier
8
2, 6
3, 5
1, 7
4
V+
–INPUT
+INPUT
V–
OUTPUT
IC211 : NJM4556AL
Dual operational amplifier
IC286-288, 289 : TC74HC4052AF
Analog multiplexers/demultiplexers
8
2, 6
3, 5
1, 7
4
V+
–INPUT
+INPUT
V–
OUTPUT
IC209 : LC72722PM
RDS signal processor
REFERENCE
VOLTAGE
57 kHz
bpf
(SCF)
CCB
TEST
PLL
(57 kHz)
ANTIALIASING
FILTER
SMOOTHING
FILTER
RAM
(24 BLOCK DATA)
ERROR CORRECTION
(SOFT DECISION)
SYNC / EC
CONTROLLER
SYNC
DETECT-1
DATA
DECODER
CLOCK
RECOVERY
(1187.5 Hz)
MEMORY
CONTROL
OSC/DIVIDER
VREF
CLK (4.332 MHz)
SYNC
DETECT-2
VDDA
VSSD
VDDD
RDS-ID
SYNC
SYR
VSSA
MPX IN
DO
CL
DI
CE
T1
T2
T3
T4
T5 T6 T7
X IN
VREF FL OUT C IN
X OUT
3 14
15
19
18
24
1 5 6
4
2
20
21
22
23
7
8
9
10
11 16 17 13 12
IC291 : TC74VHCU04FT
Hex inverters
1A
1Y
2Y
VCC
6A
1
2
3
4
11
2A 6Y
5A
12
13
14
3A
3Y
5Y
4A
5
6
7 4Y 8
9
10
GND
16
VCC
6
INH
10 A
9 B
8 GND
7
VEE
12
0X
14 1X
15
2X
11 3X
1 0Y
5 1Y
2 2Y
4
3Y
LEVEL
CONVERTER
BINARY TO 1-OF-4
DECODER WITH INHIBIT
SW
SW
SW
SW
SW
SW
SW
SW
13 X-COM
3 Y-COM
INHIBIT
0
0
0
0
1
B
0
0
1
1
X A
0
1
0
1
X
0x, 0y
1x, 1y
2x, 2y
3x, 3y
NONE