Yamaha DSP-AX1700, Service Manual

Page: 112 / 162

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-V1700/DSP-AX1700
112
★
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.
POWER
-0.1
AC6.8
AC16.8
AC22.0
AC14.4
05
.0
5.0
5.0 0
0.8
3.6
19.0 19.0
18.6
6.1
6.1
6.1 0
0.8
3.6
0
18.6
0
0
3.6
5.0
0
-19.6
18.2
18.2
18.2
0
18.2 9.0
17.5
18.2
0
4.9
5.1
5.1
-9.3
-9.3
-9.3 -4.9
0
-10.4
6.0
0
0
0
1.4
5.1
0
19.3
5.1
5.1
4.9
0
0
8.7
0.1
0.8
8.7
0.1
0
0
0
8.7
8.7
3.1
AC5.7
3.6
0
1.0 2.9
0
5.1
8.7
5.8
5.4
4.9
4.9 0.2
0.2
(0.9)
(0.9)
(7.3)
(3.5)
(3.5) (7.3)
(3.6)
(0) (3.6)
(0)
(0)
(2.9) (0)
(0)
(2.9)
(0)
(~)
~
~
(~)
(0)
(7.3)
0
(0)
(0)
(3.9)
(3.9)
0
0
1.0
0
0
5.1 1.0
0
4.9
0
-19.6
AC7.7
AC30.3
0
0 0
0 0
4.3
4.6
0
19.3
9.9
19.3
0
0
12.0
19.3
19.3
-13.4
-13.3
-12.1 -19.6
-19.6
13.2
5.0
6.3
6.3
6.3
6.3
13.2
-19.6
13.1
5.6
5.1
5.1
4.4
5.1
4.4
4.9
3.6
3.6
3.6
2.4
6.0
-8.7
0
18.2
-19.6
5.0
4.9
0
5.2 1.3
9.8
5.1
9.9
0
5.6
0
1.8
5.0
0
3.4 1.3
-19.6
0
0
0
0
0
5.0
19.3
19.3
19.3
19.3
-19.6
5.0
5.0
17.8
0.1
17.8
17.8
0.1
0.1
0
0.1
0
0
0
19.3
19.1 19.3
19.3
19.1
19.1
3.6
0
0
0.1
-0.1 -10.6
18.6
0
9.4 9.4
0.1
-13.0
10.2
19.0
1000P/100
1000P/100
1000/10
1000/10
1000/10
1000/10
220/16
0.01/50
AC IN
AC OUTLET(S)
1000P/100
POWER (1)
POWER (3)
POWER (5)
POWER (4)
POWER (2) POWER (6)
IC13, 14 : LM61CIZ
Temperature sensor
IC3 : TC4013BP
Dual D-type flip flop
4 RESET1
1 Q1 6 SET1
5 DATA1
CL
3 CLOCK1
CL
CL
CL
CL
CL
2 Q1
10 RESET2
13
Q2
8
SET2
9 DATA2
7
VSS
14 VDD
11 CLOCK2
12 Q2
CL
CL
CL
CL
CL
CL
R0
Q17
R14
R15
R19
Q20
R18
Q18
Q28
Q4
Q5
Q7
Q6
Q21
Q23
22
8
Q
OUTPUT
INPUT
2
R
Q2 Q3
1
R
Q19
21
R
R20 17 R
Q24
22
R
R23
24
R
Q25
12 Q 13 Q
26
Q
26-1
Q
27-1
Q
27
Q
9
Q
5
R
7 R
9
R
15 Q
14
Q
16
Q
8 R
4
R
10
3
R
R13 R12
11
R
Q
25
R
Q
Q29
Q30
16 R
GND
2 C
11
Q
1 C
6
R
31
Q
10
R
IC6: KIA7809API
Three terminal negative voltage regulators
1
2
Anode
Cathode
4
3
Collctor
Emitter
IC1, 2: TLP421
Photo transistor
CTL
1 2 3 4 5
Vcc GND
TSD OCP
Vref
-
+
Driver
VOUT C
IC9, 10, 12 : BA00JC5WT-V5
Voltage regulator
IC5 : KIA7809API
Voltage regulator
R1
R2
R3
R4 R5
R6
R7
R8
Z1
Q12
Q13
Q18
Q17
Q14
Q19
Q10
Q8
Q16
INPUT
OUTPUT
COMMON (GND)
Q15
Q11-1 Q11
Q2
Q3
Q4
Q5 Q9
Q7
Q1
Q6
R12
R19
R10
R9
R15
R14
R16
R21
R20
R22 R23 R17
R13
R11
R18
C1
1
3
2
+
–
–
+
+
1 2
3
SW
ADJ 4
V IN
5 SS
GND
PReg
Reset
Oscillator
Comparator
Error amp.
Overcurrent
protection
Thermal
protection
Reference
voltage
Latch & driver
IC7, 8 : SI-8008HFE
Voltage regulator
ON
/
OFF
Soft
Start
to FUNCTION (1)_CB407
Page 106 E8
to FL (1)_W9001
Page 117 A4
To POWER TRANSFORMER
To
PO
WER
TRANSFORMER
To POWER TRANSFORMER
To POWER TRANSFORMER
T
o
PO
WER
TRANSFORMER
to MAIN (4)_W272
P
age 111
A2
to D-VIDEO_CB136
P
age 116
M8
to A-VIDEO_W2001
R, L models
R, L models
U, C, T, K, A, B, G, E, J models
Page 114 I3
to DSP_W5301
Page 104 I2
to DSP_W5302
Page 104 K1
to FUNCTION (1)_CB409
Page 106 G8
to FUNCTION (1)_CB406
Page 106 D8
to MAIN (1)_W271
Page 111 L9
to FUNCTION (2)_W3004
Page 108 K7