Yamaha HTR-5940, Service Manual

Page: 69 / 99

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-V459/HTR-5940/HTR-5935/DSP-AX459
SCHEMATIC DIAGRAMS
69
★
All voltages are measured with a 10M
Ω
/V DC electronic 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.
DSP 1/3
5.0
-11.9 4.9
5.0
5.0
4.3
5.0
-11.9 4.9
5.0
-11.9
4.9
5.0
5.0 4.3
0 0.2
5.0 0
5.0
0.1
0
1.2
3.3
0.1
0
0.2
5.0
5.0
5.0
5.0
5.0
0.1
0.1
0.1
10.1
0
5.8
5.8
5.8
5.2
5.2 5.2
5.0 5.0
5.0
4.3
0.1
0.1
4.9
0
5.1
4.9
5.0
5.0
0.4
0
2.7
0
2.0
0
2
1
B-2
5.0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
2.7
2.0
0.4
5.0
1.0
5.2
5.2
0
4.3
5.2 4.9
4.9 4.9 4.9 4.8 0.5 0.6 0.1
4.9
0 0
5.0
5.0 5.0
4.9 2.5
0
2.4 5.0
5.0
5.0 0
5.0 5.0 5.0 5.0 5.0
0 0
5.0
5.0
5.0
5.0
5.0
5.0 5.0 0.1 5.0
0 5.0 5.2
4.9 4.9 4.9 0 0 0 0 0
0
0
5.0 4.9 4.9 4.9 4.9 0.1
0.1 0.1 0.1 4.9 5.0 0 0 5.0 0 0.1 4.9 0 0 0 0
0.1
4.8
5.0
5.0
5.0
4.9
0.1
5.0
5.0
4.9
4.9
0
0
5.9
0
4.9
4.9
0
0
0
5.0
0.1
0
0
0
0
0
0
A-1
to FUNCTION (1)_CB200
P
age 72
C2
to OPERA
TION (1)_CB309
P
age 73
C9
to FUNCTION (2)_CB291
P
age 72
I3
to MAIN (1)_W1026
P
age 74
H2
to OPERA
TION (4)_W3009
P
age 73
XX
to MAIN (1)_W1007
P
age 74
H1
to FLASH
WRITER
DSP
MICRO PROCESSOR
2
1
3
Vref
VOUT
GND
VIN
–
+
IC1 : RH5RE58AA-T1-FA
Voltage regulator
Y 4
B 2
GND 3
IC4, 5 : SN74AHCT1G32DCKR
Single 2-input positive-OR gate
Vcc 5 A 1
Y 4
B 2
GND 3
IC6 : SN74AHC1G08DCKR
2-input positive-AND gate
IC2 : M30625MHP-A98GP
2-input positive-AND gate
Vcc 5 A 1
8
(3) (3) (3) (3)
8 8 8 2
Port P0
Port P11 Port P14 Port P12
<VCC2 ports> (4) <VCC1 ports> (4)
NOTES:
1. ROM size depends on microcomputer type.
2. RAM size depends on microcomputer type.
3. Ports P11 to P14 exist only in 128-pin version.
4. Use M16C/62PT on VCC1=VCC2.
Watchdog timer
(15 bits)
Watchdog timer
(Polynomial: X 16 +X 12 +X 5 +1)
Clock synchronous serial I/O
(8 bit x 2 channels)
Watchdog timer
(15 bits)
XIN-XOUT
XCIN-XCOUT
PLL frequency synthesizer
On-chip oscillator
Three-phase motor
control circuit
Timer (16 bit)
Output (timer A): 5
Input (timer B): 6
Internal peripheral functions
M16C/60 series 16-bit CPU core Memory
Multiplier
ROM (1)
RAM (2)
R0H R0L
R1H
R2
R3
A0
SB
USP
ISP
INTB
PC
FLG
A1
FB
R1L
DMAC
(2 channels)
D/A converter
(8 bit x 2 channels)
D/A converter
(10 bit x 8 channels
Expandable up to 26 channels)
UART or
clock synchronous serial I/O
(8 bit x 8 channels)
Port P13
Port P1 Port P2 Port P3 Port P4 Port P5 Port P6
P
o
rt
P7
P
o
rt
P8
P
o
rt
P8_5
P
o
rt
P9
P
o
rt
P10
8 8 8 8 8 8
87
88
<VCC2 ports> (4) <VCC1 ports> (4)
<VCC1 por
ts> (4)
POINT A-1 Pin 18 of IC2 POINT B-2 1 / Pin7, 2 / Pin8 of CB3
POWER ON
(connect the power cable)
M30625MHP-A98GP