Yamaha RX-Z11 Service Manual page 169

A B C
POWER
1
AC IN
POWER (1)
(R, T, K, A, B, G, E, L models)
2
CB1
9.5
5.8
4.9
0
3 0.2
5.6
4.4
0
4.4 5.8 5.6
0
0.2
5.5 0.2 IC1
0 3.8
0
4.9
0 0
0.6
0 3.8
0
12.1 0
0
0
9.2 9.5 9.5
9.2
4.4
4.6
1.3
0.2
0.1
4.6 4.4 1.3
0.2
0.1
1.3 0.8
0
0.8
0
0
4
AC32.0
5
CB57
-0.1
20.5
-21.5
AC16.0
-0.1
-21.5
-41.5
-41.5
-61.4
6
-0.1
10.4
-0.1
AC9.3
CB62
12.0
5.5
5.1
0
7
0 0
0 0
REGULATOR
8
REGULATOR
POWER (3)
9
IC51: NJM2388F33
Low dropout voltage regulator with ON/OFF control
V
IN 1
10
Bandgap
Reference
ON/OFF
Cont 4
control
Over Voltage Thermal Over Current
Protection Protection Protection
GND 3
D E F
POWER (5)
AC OUTLET
POWER (4)
R, L models
W5D W4D
W5A
W4C
W5C
W5B W4B
W4A
CB4 CB5 CB6
CB8 CB9
0.2
0.2
7.1
0 0.1 0.1
AC9.5
0
7.3
7.2
3.5
0 3.5
7.1
0
7.3
0
0 9.1
0
0
4.4
4.4
9.5
9.5
0.1
7.1 IC2 0.1
0.1
0 0 0.7 MAIN TRANSFORMER
0
1.8
20.5
W552
Page 176
20.5
0
to DVIDEO (1)_CB623
0
6.2
CB63
Page 175 D8
12.0
0
to AVIDEO (3)_CB71
5.0
Page 176
0
5.0 to DVIDEO (1)_CB672
REGULATOR
1.8
1.4
IC55
5.0
-35.9
W551
5.0
5.0 -4.9 Page 174
9.0
to AVIDEO (2)_W1052
0
5.0
5.6
0
5.0
CB60
0
REGULATOR
5.0
1.8
0
-9.3
0 0
-8.7
-9.3
0
-10.1 -9.3 -4.9
IC53
IC59
REGULATOR
9.0 5.0
6.5
0
IC57
CB61
12.0 12.1
20.5
Page 170
-12.3
0
0 to AMPPOW (1)_W121
0
-21.5 -12.3
IC58
1.8
0
1.8
0
-17.9 0
0
-35.8
0
-35.8
-61.4
-35.3
-61.4
-35.9
-61.4
IC54
5.0
5.0
5.0
4.3
5.0
3.7
5.0
5.6
5.6
0 0
IC53: NJM2388F09
IC54, 55: NJM2388F05
Low dropout voltage regulator with ON/OFF control
Low dropout voltage regulator with ON/OFF control
V V
2 OUT IN V V
OUT IN
Bandgap
Bandgap
Reference
Reference
ON/OFF
Cont ON/OFF
control Cont
control
Over Voltage Thermal Over Current
Over Voltage
Protection Protection Protection
Protection
GND
GND
G H
VOLTAGE
SELECTOR
VOLTAGE SELECTOR
230-240V 1-2/5-6
220V 2-3/6-7
110V 3-4/7-8
120V 4-5/8-1
5.2
G7 POWER (2)
19.8
6.3
6.3
6.3
6.3
0
G7
7.1
12.3
8.2
8.2
8.2
8.2
L3 0
AC31.6
12.3
19.8
CB51
19.8
13.3
13.4
-0.1 13.3
-0.1
-20.6
0
-13.4
-20.6
-13.3
-20.6
-20.6
-12.2
-8.1
-12.2 -8.1
-12.2
B3
-12.2 -7.0
IC51
AC6.8
CB52
3.2 7.1
3.1 7.1
3.2
0
3.1 3.3
0
REGULATOR
0 0
0 0
IC58: NJM7912FA
IC57: NJM7812FA
Voltage regulator
Voltage regulator
V
OUT
INPUT R1
Q3
Q4
Q10 Q11
R2
D1 D2 Q12
R3
OUTPUT Q14
Q5
Q15
Q6 R4
Q2
R5 Q19
R6
Thermal Over Current
Q1
Protection Protection
Q7 Q17
COMMON Q8 R11 R12
R7
R8 R9
I J K
5.2
0
0
Page 165 K9
12.3
5.3 to INPUT (1)_W2003
5.3
CB54
0
Page 162 K5
12.3
Page 176 G8
-12.1
to FUNCTION (1)_W3004
7.0
to DVIDEO (1)_CB628
-7.0
CB53
W554
1.4
1.8
IC52
5.0 THM SENSER
0
0
0
1.0
POWER (6)
5.0
1.4
W553 CB59
0
0
Page 165 D10
0
0 to INPUT (1)_W2002
CB55
CB56
3.3
Page 163 D10
0
5.3
to FUNCTION (2)_W2501
0.1
(U, C models)
4.7
1.4
(U, C models)
IC59: NJM7905FA-5V
Voltage regulator
COMMON
COMMON R1
Q3
R22 R23
R22 R23 Q4
Q10
Q11
D1 D2 R2 Q12
Q13 R24
Q13
R24 R3
Q14
Q5 Q25 OUTPUT
Q16 Q25 OUTPUT Q20
Q20 Q15
Q6 R13
R13 R4
Q2 Q21
Q21
Q23 R5 Q19 R20
R20 D3
D3 R6 Q22
Q22 R14
R14 C1 C2 R17
C1 C2 R17 C3
C3 Q1
Q7 Q17
Q8
R11 R12 R21 R15 R16
R21 R15 R16 R18
R18 R7 R19
R8 R9
R19 INPUT
INPUT
L M N
RX-Z11/DSP-Z11
IC3: TC4013BP
Dual D-type flip flop
RESET1 4
6 Q1
SET1 1 Q1 1 14 VDD
5 Q1 Q2
DATA1 2 13
2 Q1
CL
CL 3 12
CK1 Q2
CL
CL
RESET1 4 11
CK2
CLOCK1 3 CL
CL DATA1 5 10 RESET2
RESET2 10 SET1 6 9 DATA2
SET2 8 13 Q2
Vss 7 8 SET2
DATA2 9
12 Q2
CL CL
INPUTS OUTPUTS
CL
CL
RESET SET DATA CK Qn + 1 Qn + 1
CLOCK2 11 L H H L
CL * *
H L * * L H
CL
H H * * H H
7
V SS
L L L L H
VDD 14 L L H H L
L L * Qn˙ Qn˙
IC52: LM61CIZ
Temperature sensor
# 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.
169