Yamaha DVR-S100, Руководство по обслуживанию

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A B C D E F G H I J K L
DVR-S100/NX-SW100
101
DVR-S100 SCHEMATIC DIAGRAM (MAIN 1/2)
1
2
3
4
5
6
7
8
9
★
All voltages are measured with a 10M
Ω
/V DC electric 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.
x: NOT USED
O: USED / APPLICABLE
Point 2 emitter of Q6
and collector of Q5
POWER ON
(Connect the power cord)
POWER OFF
(Disconnect the power cord)
A Q6 E
B Q5 C
Point 1 Pin 13 of IC15
IC2: SN74LS07NSR
Buffer/Driver Gate
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
IC3, 14: LC78211
Analog Function Switch
1
2
3
4
5
6
7
8
9
10
11
30
29
28
27
26
25
24
23
22
21
20
19
16
12
18
17
14
15
13
LEVEL SHIFTER
LATCH
CONTR
OL
SHIFT REGISTER
ZZ
ZZ
ZZ
L1
L2
L3
L4
LCOM1
L5
L6
L7
L8
RES
S
VDD
VSS
VEE
LCOM2
LCOM3
R1
R2
R3
R4
RCOM1
RCOM2
RCOM3
R5
R7
R8
D1
CL
CE
R6
IC4~8, 27:
µ
PC4570G2
IC28 : BA15218F
Dual OP-Amp
– +
OUT1
–IN1
–VCC
+VCC
OUT2
1
2
3
4 5
+IN1 –IN2
+IN2
– +
6
7
8
IC9: LC72722
RDS Decoder
+
REFERENCE
VOLTAGE
57kHz
bpf
(SCF)
CCB
TEST
PLL
(57kHz)
ANTIALIASING
FILTER
SMOOTHING
FILTER
RAM
(24 BLOCK DATA)
ERROR CORRECTION
(SOFT DECISION)
SYNC/EC
CONTROLLER
SYNC
DETECT-1
DATA
DECODER
CLOCK
RECOVERY
(1187.5Hz)
MEMORY
CONTROL
OSC/DIVIDER
VREF
CLK(4.332MHz)
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
+
–
+
–
1 2
3
V
OUT
5 ON/OFF
4 Oadj
V
IN
V
REF
COM
Voltage
regulator
Over current
protection
circuit
Over heat
protection
circuit
ON/OFF
circuit
Soft
start
Oscillator
ERROR AMP.
PWM COMP.
F/F
Q
S
R
IC10, 23: PQ1CG21H2F
Voltage Regulator
IC17: NJM7812FA
Voltage Regulator
INPUT
OUTPUT
COMMON
IC18: NJM79M12FA
IC20: NJM79M05FA
Voltage Regulator
COMMON
OUTPUT
INPUT
IC19: NJM78M05FA
Voltage Regulator
V
OUT
V
IN
GND
IC22:
µ
PC29M33T-E1
Voltage Regulator
3 OUTPUT
1 INPUT
2 GND
Safety Drive
Limiter
Excessive Electric
Current Protection
Sudden Current
Protection
Starter Circuit
Driver
Standard Voltage
Overheat Protection
Amp.
IC24: PQ05RD21
IC25: PQ09RD11
Regulator
1 Vin 2 Vo
4 Vc
3
GND
IC29: NJM78L05A-T3
Voltage Regulator
INPUT
OUTPUT
GND
SELECTOR
SELECTOR
MAIN CPU
MIXER
REGULATOR
POWER
DOWN
DETECT
RESET
VOLTAGE
MONITOR
MUTE
PRE MUTE
BASS BOOST
1
2
3
4
30
29
28
27
5
6
7
8
25
24 23
9
10 11
26
22
21 20
12 13
10 11
8
7
14
9
5 6
8
4
P
age 104
to SUB (5)
A2
P
age 104
to SUB (2)
B7
P
age 104
to SUB (3)
B5
P
age 104
to SUB (1)
J3
Page 104
to SUB (4)
C1
Page 105
to OPERATION
E1 Page 105
to OPERATION
G1
Page 106
to EX
B3
P
age 104
to SUB (1)
E2
P
age 100
to MAIN (2)
K8
Page 103
to DSP
F1
P
age 98
to MODULE
G3
P
age 97
to MODULE
J3
P
age 102
to MAIN (2)
K6
1
2
A
B
CENTER
FRONT L
REAR L
0 0
0
0 0
0
0 0
0
0
0
0
0
0
0 0
0
0 0
0
0
0
0
0
0
0
0
0.1
0.1
12.1
0.1
0.1
0.1
0.1
-19.9
-11.9 12.1
12.1 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-11.9 12.1
12.1
12.1
5.0
0
12.1
0
0
0
0
0
12.2
0
0
0
-11.9
-11.8
-11.8
0
0
0
0
0
0
0
12.2
0
0
0
-11.9
-11.9
-1.1
-11.8
0
0
-11.8
0
0
-11.8
-11.8
0
0
0
0
0.1
3.3
0.1
0
0
12.2
0
0
0
-1.3
0
0
0
0
0
0
0
0
12.2
0
0
0
-11.9
-11.8
-11.8
0
0
5.0 3.2
4.8 3.2
0
0
0
12.1
0
5.0
8.3
6.3
5.7 5.7 5.0
5.7
12.8
12.1
6.2 0 6.8
12.8
6.2
0
4.8
6.3
0
0
0
0
4.8
4.8
4.8
4.8
4.8
4.8
5.0
~
4.8
4.8
0
0
0
0.1
0.1
0.1
0
0 0
0
0
0
0
4.8
4.8
4.8
4.0
5.0
5.0
0
0
3.2
0
0
0.1
5.0
4.8
0
3.3
0
0
0
0
0.1 2.1 4.8 ~ 4.8 5.1 4.8 4.8 4.8 4.8 0.1 4.8
4.8 4.8 4.8
0 0
4.8 0.1
0
0
0 0
4.8
2.3
2.2 0 4.8 0 4.8
0 0 0 0 0 0 0 0 0 0 0 0
4.8 4.8 4.8 4.9
0
0 0 4.8 4.8 4.8 4.9
0 0
4.8 0.1
0 0 0
4.4
0
0
0 0
10.8
10.8
17.7 5.2 0 1.3 17.7
14.3 9.0 0 4.9
10.8
17.7
0
-37.5
-30.9
-0.1
-0.1
-0.1
-18.7 17.5
-0.1
-0.2
-18.6 17.4
6.4
6.6
0 14.3
7.6 4.9 0 4.9
4.0
4.0
-0.1 7.6
-0.1
3.3
0
6.9
2.6
6.9 4.9 2.6 -0.1 1.1
3.7
3.7
-0.1
0.1
5.0
4.4
0.1
0.1
0.1
0.1
5.0
0.8
0.8
0.1
0.1
0.1
0.1
0.8
0.8
0.1
0.1
0.1
0.1
0.8
0.8
0.1
0.1
0.1
0.1
0.1
11.2
-11.0
5.0
5.0
4.8
-4.8
-11.8
-11.8
0.1
0.1
0.1
0.1
-11.6
-11.8
0.1
0.1
11.2
-11.5
-11.6
-11.5
0.1
0.1
0.1
0.1
0.1
-11.0
0.1
5.0 -11.8
4.8
0.1
6.9
-5.0
5.0
-11.9
12.1
-18.7
17.5
-18.6
0
17.4
0
0
0
0
17.7
-0.1 17.7
-30.9
-18.6
-42.2
-30.5
-15.2
-29.9
10.2
0
0
5.2
-29.9
-24.7
FRONT L REAR L CENTER CDR/MD-IN L (ANALOG IN)