Yamaha HTY-7040, Руководство по обслуживанию

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IC30
CB27 CB28 CB2
CB4
CB5
CB6
CB7
CB8
CB9
CB10
CB11
CB12
IC31
IC26 IC26 IC26
IC26
IC29
IC36
IC36
IC32
IC28
IC22
IC9
IC12
IC9
IC4
IC7
IC11
IC17
IC13
IC18
IC18
IC18
IC18
IC14
IC35
IC37
IC6
IC1
IC1
IC8
IC15
JK1
JK2
IC1
CB1
IC1
IC1
IC1
IC24
IC21
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
YSP-4000/YSP-40D/HTY-7040
85
★
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.
INPUT 1/2
B-3
C-1
B-1
B-2
6.2
6.8
11.7
6.8
11.7
6.8
11.7
6.8
11.7
6.2
6.2
6.2
6.2
6.2
6.2
6.2
6.2
6.2
0
5.8
6.2
6.2
11.7
11.7
6.3
6.3
0
0
0
0
6.2
6.2
6.2
5.8
5.8
5.8
5.8
5.8
5.8
5.8
5.1
5.1
11.8
0
0
0 0 0 5.0 4.5
0 0 4.9 2.4
11.8
2.2
2.9
2.5 2.4
0
2.5 2.4
0 0
2.5
10.9
0 0
5.0 4.9
0 0
4.9
4.9
4.9
0
9.7 0.6
0
3.3
3.3
0.1
0
5.9
0
0
4.9
0 1.9
5.0
2.0
5.9
0
0
6.0
0
6.7
9.0
4.6
0
4.5
3.3
4.5
0
4.6
4.5
4.5
4.6
2.4
4.3
2.5
4.9
0
1.7
5.0 0
2.0
4.3 0
2.5 3.3 0.4
4.5
0
0
4.3
5.0
0
4.3
3.3
3.3 0 -5.4 0 3.3 3.3 0 3.3
3.3
0
0
3.3 3.3
0
5.0
0 0
0 5.0 5.0
3.3 3.3 3.3 3.3
3.3 3.3
0
5.0
5.0
0 0 0
3.3 3.3
0
3.3
0
5.0 0 0 0 5.0 4.9 0 0 5.0
0
3.3 3.3 3.3 3.3
0 0
3.3
3.3
2.4
2.4
0
2.5
3.3
2.0
2.0
3.3 1.0 0 0
3.3
0
1.0
0
0
3.3
0
3.3 0 4.9 4.9 4.9 4.5 0 0 4.9 0
0
0
0
0
3.3
3.3
3.3
3.3
0
3.3
0
0
3.3
0 0
5.6
-5.4
5.6
-5.4 0
11.8
4.5
3.9
4.5
9.0
0
0
0
4.6
3.3
4.7
9.0
4.6
0
0
0
0
4.6
4.5
4.5
9.0
0
1.7
1.2
0
0.7
5.0
1.1
11.8
11.8
5.1
5.1
5.0
5.0
0
2.6
2.6
0
0
5.0
5.0
1.1
5.0
1.7
0
5.0
0
0
0
1.7
5.0
0
11.8
11.8
5.0
5.0
0
11.8
3.3
0
0
3.3
4.9 3.3
4.9
3.3
4.5 3.3
4.9 3.3
4.9
0
0 0 0
2.1
5.0
0
0
4.6 4.6 4.6
0
1.6 4.6 4.6 11.8
0.5
5.0
0
1.9 1.9
2.1 0
4.2
4.9 4.9
0
0
5.9
0
0
8.6
3.3
4.5 4.9
11.8
1.7
0
3.9
0
3.9 11.7 3.9 3.9
3.3 6.1
11.8
5.9
5.0
4.9
4.9
4.9
0.5
0
5.0
5.0
0
5.0
5.0 0
4.9
2.0
0.3
5.9
5.9
3.3
3.3 3.3 3.3 0 3.3 1.7 3.2 3.4 3.3 3.4 3.4 3.3 1.7
3.3 3.3
0
0 3.3 0 0 0
3.2 3.2 3.3
3.4 3.3 0 0 0 3.3 0
3.3
1.5
0
3.3
0
0.1
3.3 3.2 0
3.2
0
3.3 3.3
0
3.3 3.3 0
3.3 3.3
0
3.3 3.3
0 3.3
0 0 0 0 0
3.3 3.3 3.3
0
3.2 3.3 3.3
0 0 0 3.3
3.3
0
3.3
3.3
0
3.3
3.3
3.3
3.3
3.3
3.3
0
3.3
3.0
3.3
0
3.3
0
3.3
3.3
0
3.3
3.3
0
0
3.3
3.3
3.3
0
3.3
3.3
3.3
3.3
3.3
0
3.3
3.3
3.3
3.3
3.3
0
3.3
3.3
0.2
2.4
2.5
2.0
0
0
0
3.3
3.3
3.3
3.0
3.3
0
0
0
0
3.3
0
3.3
0
0
0
0
0
0
0
0
0
0
DIGITAL IN
SUBWOOFER
ANALOG IN
POINT B-1 XL1 (Pin 6 of IC14)
POINT B-2 XL2 (Pin 12 of IC22) POINT B-3 XL4 (Pin 20 of IC30) POINT C-1 XL5 (Pin 9 of IC35)
IC9, 36 : 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
+ – + –
IC15 : TC74VHC125FT
High speed CMOS quad bus buffer
1 1G
2 1A
3 1Y
4 2G
5 2A
6 2Y
7
14
13
12
11
10
9
8 GND
Vcc
4G
4A
4Y
3G
3A
3Y
inputs outputs
G Y
H Z
L L
L
A
X
L
H H
IC8 : MAX3232CPWR
3-V to 5.5-V multichannel RS-232 line driver/receiver
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
C1+
V+
C1-
C2+
C2-
V-
DOUT2
RIN2
V
CC
GND
DOUT1
RIN1
ROUT1
DIN1
DIN2
ROUT2
Voltage
regulator
Overcurrent
detection
circuit
Overheat
detection
circuit
ON/OFF
circuit
Q
R
S
F/F
2
5
4
1
3
COM
PWM COMP.
VIN VOUT
ON/OFF control
Oadj
Vref
ERROR AMP.
Soft start
Oscillator
IC21 : PQ1CZ41H2Z
Chopper regulators
24
DGND
23
LOGIC
CL
22
DA
21
VEE
20
BIAS
19
VCC
18
RECA1
17
RECA2
16
RECB1
15
RECB2
14
OUT1
13
OUT2
1
INA1
F-SW1 F-SW2
2
INA2
3
INB1
4
INB2
5
INC1
6
INC2
7
IND1
8
IND2
9
INE1
10
INE2
11
INF1
12
INF2
+ - + -
+ - + -
IC12 : BD3843FS-E2
6-channel function switch
IC14 : MB90050PF-G-118-E1
OSD controller
IC14 : MB90050PF-G-119-E1
OSD controller
VOUT
YOUT
COUT
PO3
SIN
SCLK
CS
VIN
YIN
CIN
VSYNCI
FLDI
SYNCST
HSYNCI
HSYNCO
VSYNCO
CSYNCO
FLDO
VBLKO
EXS
BUSY
DCOL5 to DCOL0
DB
DH
Serial input
control
Analog
switch
Sync control
Video signal
generator circuit
NTSC/PAL
signal
generator
circuit
Output control
Palette
(4 bits
→ 6 bits)
Display Memory control
Font RAM
(8 characters)
Font ROM
(512 characters)
VRAM
(35 characters
× 16 lines)
4FSC clock
Each block
VOUT
YOUT
COUT
PO3
PO2
PO1
PO0
SIN
SCLK
CS
VIN
YIN
CIN
VSYNCI
FLDI
SYNCST
HSYNCI
HSYNCO
VSYNCO
CSYNCO
FLDO
VBLKO
EXS
XS
FSC4O
BUSY
DCOL5 to DCOL0
DB
DH
Serial input
control
Analog
switch
Sync control
Video signal
generator circuit
NTSC/PAL
signal
generator
circuit
Output control
Palette
(4 bits
→ 6 bits)
Display Memory control
Font RAM
(8 characters)
Font ROM
(512 characters)
VRAM
(35 characters
× 16 lines)
4FSC clock
oscillation
circuit
Port control Each block
Each block
PO2
PO1
PO0
XS
FSC4O
EXD
XD
DCLKO
RESET
oscillation
circuit
Dot clock
oscillation
circuit
Port control Each block
Each block
All reset
FLDI
VSYNCI
HSYNCI
VCC
VSS
EXS
XS
FSC4O
VSYNCO
HSYNCO
CSYNCO
VBLKO
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
PO3
PO2
DCOL5
DCOL4
DCOL3
DCOL2
DCOL1
DCOL0
DCLKO
DB
DH
RESET
48 47 46 45 44 43 42 41 40 39 38 37
YO
U
T
TESTI2 YIN AV
SS2
CIN AV
CC2
COUT AV
SS1
VO
U
T
AV
CC1
VIN TESTI1
13 14 15 16 17 18 19 20 21 22 23 24
FLDO
SYNCST
CS
SCLK
SIN
B
USY
XD
EXD V
SS
V
CC
PO0 PO1
MB90050
EXD
XD
DCLKO
RESET
Dot clock
oscillation
circuit
Each block
All reset
FLDI
VSYNCI
HSYNCI
VCC
VSS
EXS
XS
FSC4O
VSYNCO
HSYNCO
CSYNCO
VBLKO
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
PO3
PO2
DCOL5
DCOL4
DCOL3
DCOL2
DCOL1
DCOL0
DCLKO
DB
DH
RESET
48 47 46 45 44 43 42 41 40 39 38 37
YO
U
T
TESTI2 YIN AV
SS2
CIN AV
CC2
COUT AV
SS1
VO
U
T
AV
CC1
VIN TESTI1
13 14 15 16 17 18 19 20 21 22 23 24
FLDO
SYNCST
CS
SCLK
SIN
B
USY
XD
EXD V
SS
V
CC
PO0 PO1
MB90050
IC4 : LA7956
Video switch
1 2 3 4 5 6 7 8 9
VIDEO
OUT
A B VIN1 GND VIN2 VCC VIN3 VIN4
DRIVER
6dB
AMP
CONTROL
VIDEO SWITCH
4 INPUT 1 OUTPUT
IC6 : NJM2585M
Wide band 3-input 1-output 3-circuit video amplifier
9
10
8
5
6
7
4
3
2
1
11
12
13
16
17
15
14
18
19
20
21
22
23
24 CH1 IN1
CH1 IN3
CH1 IN2
SW 1
SW 2
GND
CH1 OUT
GND
CH2 OUT
CH3 IN2
CH3 IN3
V
+
2
CH2 IN3
CH2 IN1
CH3 OUT
CH3 IN1
GND
CH2 IN2
GND
GND
PS
GND GND
V
+
1
Bias Bias
Bias
Bias
Bias
Bias
Bias
Bias
Bias
Cont2
Cont2
Cont2
Cont1
Cont1
Cont1
75
Driver
75
Driver
75
Driver
6dB
Amp
6dB
Amp
6dB
Amp
VCC
6A
5A
4A
6Y
5Y
4Y
A
L
H
H
L
Y
GND
3Y
3A
2A
1A
2Y
1Y
1
2
3
4
5
6
7
14
13
12
11
10
9
8
IC1 : TC74VHCU04FT
Hex inverter
IC18 : TC74VHC00FT
Quad 2-input NAND gate
Vcc 14
4B 13
4A 12
4Y 11
3B 10
3A 9
3Y 8
1A 1
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
A
L
L
H
H
L
L
L
H H
H
H
H
B Y
INPUT
OUTPUT
COMMON
3
1
2
IC7 : KIA78L09F-RTF/P
Three terminal positive voltage regulator
Z1
R1
R9
R10
R11 R3
Q2 Q7 Q8
Q6
C1
Q16
Q1
Q14
Q4
R2
R4
R12
R8 R7
R6
R5
Z2
Q9
Q10
Q5
Q12
Q13
Q11
Q3
IC11, 17 : KIA78M05F
Three terminal positive voltage regulator
R13
R
11
R12
R4
RA RB
R3
R9
R13_1
R2
R18
R21
R
20
R16
OUTPUT 3
INPUT 1
Q13
Q1
Q1
QD
D1
Q2
Q10
Q4
R19
R14
R15
Q11
0
Q14
Q15
Q9
Q6
Q8
Q16
C1
D2
D3
Q12
8
7
6
5
Hosc-R
HD-
OUT
Sync- OUT
VD- OUT GND
V IN
V CC
PD-
OUT
1
2
3
4
PHASE
COMP
IC13 : BA7046F-E2
Sync. separator with AFC
SYNC
SEPA
V.SEPA
H.OSC
MICROPROCESSOR
XM
No replacement part available.
サービス部品供給なし
SYSTEM
CONTROL
DOCK
(iPod)
U, C, A, B models
U, C models
U, C, T, K, A, B,
G, E, L, V models
J model
J model
U, C, J models
XM
Selector
RS-232C
(Writing port)
to POWER (5)_W951
Page 91 I4
to POWER (4)_CB801
To TUNER
Page 91 B2
to POWER (2)_CB902
Page 91 I7
to DSP_CB5
Page 84 F2
to DSP_CB6
P
age 84
I2
to PO
WER (1)_CB506
P
age 90
K4
to PO
WER (5)_W952
P
age 91
I5
to HDMI_CB6
Page 89 K8
to HDMI_CB2
Page 89 D7
(U, C, T, K, A, G, E, L, V models)
(B model)
(B model)