Yamaha DME24N Service Manual page 44

DME24N/DME64N
NJM2068MD-TE2 (X3505A00)
NJM4558M-DTE2 (XV130A00)
µPC4570G2 (XF291A00)
Dual Operational Amplifier
DME24N AD: IC102, 103, 202, 203, 302,
IC303, 402, 403, 502, 503,
IC602, 603, 702, 703, 802,
IC803
DM: IC100
DA: IC103, 104, 203, 204, 303,
IC304, 403, 404
HP: IC305
DME64N DM: IC100
HP: IC305
Output A
1
Inverting
2
Input A - +
Non-Inverting
3
+ -
Input A
-DC Voltage Supply
4 -V
TLC2932IPWR (XV064A00)
PLL
DME24N DM: IC313
DME64N DM: IC313
CA: IC206, 207
1
LOGIC V
DD
2
SELECT
3
VCO OUT
4
F -A
IN
5
F -B
IN
6
PFD OUT
7
LOGIC GND
RTC-62423 RTC (X0333A00)
Real Time Clock
DME24N DM: IC801
DME64N DM: IC801
OSC
D
3
D
2
Gate
D
1
D
0
WR
Gate
RD
A
3
A
2
Decoder
Latch
A
1
A
0
CS
0
ALE
CS1
44
NJM2904V(TE1) (XR532A00)
Dual Operational Amplifier
DME24N DM: IC101
DME64N DM: IC101
Output A
Inverting
Input A
Non-Inverting
Input A
Ground
M5291FP-600C (XR858A00)
DC-DC Converter
+DC Voltage
DME24N DM: IC102
+V 8
Supply
DME64N DM: IC102
Output B
7
Inverting
6
Input B
Non-Inverting
5
Input B
LOGIC V F -B
DD IN
1 5
14
VCO V
DD
DETECTOR
13
R
BIAS
12
V
COIN
11
VCO GND
10
VCO INHBIT
9
PFD INHIBIT
8 NC
7 4
LOGIC GND F -A
IN
Counter
RESET STOP HPLD BUSY
bit bit bit bit
30 sec ADJ
bit
S1 S10 MI1 MI10
S1 to CF
D1 D10 MO1 MO10
1 Second carry
1 Minute carry
CD CE CF
+DC Voltage
1 +V 8
Supply
Output B
2 7
- +
Inverting
3 6
+ -
Input B
Non-Inverting
4 5
Input B
Switch-Collector
Switch-Emitter
PFD INHIBIT VCO INHBIT VCO V VCO OUT
DD
9 10 14 3
CHARGE PUMP
6 12 13 11
PFD OUT V R VCO GND
COIN BIAS
24/12
bit
H1 H10 W
Y1 Y10
V
DD
Output Selector
STD.P
64 Hz
1 Hour carry
NJM4556AL (XP844A00)
Dual Operational Amplifier
DME24N DA: IC105, 106, 205, 206, 305,
IC306, 405, 406
A
-
1 2 3 4 5
OUT -IN +IN -V +IN -IN
A A A B
1
Q S
R
2
Generator
Comparator
Capacitor
3
1.17V +
reference
voltage
Ground 4
SELECT
2
1/2
8
NC
STD. P
1
CS 2
0
NC 3
ALE 4
A
0 5
NC 6
A
1 7
NC 8
A 9
2
A 10
3
READ 11
12
GND
B
-
6 7 8
OUT +V
B B
8 Driver
7 Peak current detect
6 Power supply
5 Input
24 V
DD
(V )
23 DD
(V )
22 DD
NC
21
20 CS
1
19
D
0
18
NC
17 NC
16
D
1
15
D
2
14
D
3
13
WRITE