Yamaha RX-V1700 Service Manual page 112

A B C
RX-V1700/DSP-AX1700
POWER
1
2
3
4
Page 117 A4
to FL (1)_W9001
5
AC6.8
AC16.8
AC22.0 19.0
AC14.4 -0.1
0.1
-13.0
6
10.2
0.1
-0.1
-10.6
7
18.6
9.4 9.4
0
8
9
# All voltages are measured with a 10MΩ/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.
10
112
D E F
19.3
0.1
19.1 19.3
5.0 0.1
19.1
Page 106 E8 0
5.0
to FUNCTION (1)_CB407
0
5.0
19.3
17.8
19.3
0
17.8
0
19.3
-19.6 0 0.1
0
-19.6
-19.6 5.0
0.1
0
0
18.2 18.2 9.0
18.2
0
17.5
18.2
18.2
18.2
4.9
0
5.1
0
5.1
-9.3
-8.7
-9.3 0
-10.4 -9.3 -4.9
6.0
2.4
6.0
3.6
3.6 3.6
3.6
0
0
1.4
0
0
3.6 5.1
0
5.6
0 0
9.9
19.3
4.3
5.0
AC7.7 4.6
0
19.3
6.3 6.3
0 0
6.3
AC30.3
6.3
0 0
POWER (1) 19.3 12.0
19.3
19.3
To POWER TRANSFORMER
13.1
13.2
13.2
0 0
-19.6
0
0
-19.6
-13.4
-13.3
-19.6
POWER (3)
-19.6 -12.1
G H I
19.3
17.8
19.1
0
19.3
-19.6
0
Page 114 I3
to A-VIDEO_W2001
POWER (2) POWER (6)
R, L models
Page 104 I2
to DSP_W5301
To POWER TRANSFORMER
Page 104 K1
to DSP_W5302
5.1
4.9 Page 106 G8
4.4
to FUNCTION (1)_CB409
5.4
5.1
4.9
4.4
5.1
4.9
4.9
0
5.8
0
0
0
Page 111 L9
to MAIN (1)_W271
8.7
8.7
0.1
Page 108 K7
0.1
to FUNCTION (2)_W3004
0.8
0
5.1
4.9
0
Page 106 D8 to FUNCTION (1)_CB406
5.1 1.0
0
5.1 1.0
0
POWER (5)
J K
IC1, 2: TLP421
Photo transistor
Anode 1
Cathode 2
IC5: KIA7809API
Voltage regulator
R22
R1 Q11
Q12
Q17
R19
R12
Q18
Q1
R18
R11
Z1
R2
Q2
R3
Q13
Q3
R13
R4 R5
IC6: KIA7809API
Three terminal negative voltage regulators
Q
28
Q
17
To POWER TRANSFORMER
Q
29
U, C, T, K, A, B, G, E, J models R
1
R, L models
AC IN
Q 30
R
14
Q
Q 2 3
AC OUTLET(S)
R
0
Q
4
(~)
(~)
(3.5)
~
(0) ~
(7.3)
(0)
(0.9)
(3.5) (7.3)
AC5.7
0.2
(3.6)
(0.9) (7.3) (0) (3.6)
0.2
(2.9) (0)
(3.9)
(0) (2.9) 0
(0) (0)
(3.9) 3.1
(0)
0
(0) 3.6
8.7
IC7, 8: SI-8008HFE
8.7
Voltage regulator
5.1
8.7
1.0 2.9
0 V 1
IN
0
0 PReg
ON
/
SS 5 OFF
Soft
Start
POWER (4)
IC13, 14: LM61CIZ
Temperature sensor
L M N
IC3: TC4013BP
Dual D-type flip flop
4
RESET1
6
SET1 1 Q1
4 Collctor
DATA1 5
2
Q1
CL
CL
3 Emitter
CL
CL
CLOCK1 3 CL
CL
RESET2 10
SET2 8
13 Q2
DATA2 9
12 Q2
CL
CL
CL
CL
CLOCK2 11 CL
CL
VSS 7
VDD 14
1 INPUT
R17 R23
Q11-1
Q15
Q16
Q14 R14
R10 R15
Q19
R16
3 OUTPUT
Q6 R20
R9
R7 C1
Q10
R21
Q7
Q4
Q5 Q9 Q8
R6 R8
2 COMMON (GND)
R 15 R R R
18 21 22
GND
Q
21 Q 24
Q
22
R 23
R
16
R R
13 12
Q 19 Q Q
31 23
Q 25
Q
18 Q
20
R
R R R 24
17 19 20
Q Q
12 13
Q
27-1
Q 26-1 R
11
R Q Q
25 26 27
R
10
Q
7 OUTPUT
Q
14
Q
15
C 2
Q
Q 8
5 C R 9
Q 6 1 R
7
Q 16
R R
4 5
Q R 6
9 Q
R R 3 10
2 Q
11
R
8
INPUT
IC9, 10, 12: BA00JC5WT-V5
Voltage regulator
2 SW
Overcurrent
protection
Vref -
Reset Latch & driver
Driver
+
Oscillator
Comparator Thermal
protection
–
Error amp. 4 ADJ
+
+
Reference
TSD OCP
voltage
3
2 3 4 5
GND 1
Vcc GND VOUT C
CTL