Yamaha AD8HR Service Manual page 21

(XV064A00)
TLC2932IPWR
PLL
MAIN: IC58
1
LOGIC V 14
DD VCO V
2
SELECT 13
R
BIAS
3
12
VCO OUT
V
COIN
4
F -A 11
VCO GND
IN
5
10
F -B
IN VCO INHBIT
6
9
PFD OUT PFD INHIBIT
7
LOGIC GND 8 NC
(X5127A00)
TB62707F (EL)
LED DRIVER
MAIN: TA961
LATCH 1
ENABLE 2
NC 3
IN0
4
IN1
5
IN2 6
IN3
7
IN4
8
IN5 9
10
IN6
IN7 11
12
L-GND
V
DD OUT0 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7
REXT
constant currend drivers
LATCH
8-bit latch
IN0 IN1 IN2 IN3 IN4 IN5 IN6 IN7
(X3847A00)
S-80142ANMC
SYSTEM RESET
DC: IC050
DS
1
V
SS 2
3
NC
5
V
DD
Delay circuit
Oscillator
+
*1 counter
-
timer
V
REF
2
V
SS
*1: Parasitic diode
LOGIC V F -B PFD INHIBIT
DD IN
1 5 9
DD
DETECTOR CHARGE PUMP
7 4 6
LOGIC GND F -A PFD OUT
IN
TC7SH08FU
2 Input AND
MAIN: IC19,985
24 V
DD
REXT
23
IN B
P-GND
22
IN A
OUT0
21
GND
20 OUT1
19
OUT2
18
OUT3
17 OUT4
16
OUT5
15
OUT6
14
OUT7
13
P-GND
P-GND
ENABLE
L-GND
M62021FP
SYSTEM RESET
MAIN: IC4
V
DD
5
V
OUT
4
V
OUT
V
4
V
OUT
*1
*1
1
DS
VCO INHBIT VCO V VCO OUT SELECT
DD
10 14 3 2
1/2
12 13 11 8
V R VCO GND NC
COIN BIAS
(XR680A00)
Vcc
1 5
2
3 4
OUT Y
(XI686A00)
1 8 CS
2 7
BAT RES
V
IN 3 6 GND
VR
Ct
4 5 RES
(XS775A00)
TC7SH04FU
Inverter
MAIN: IC20,55,60,922,931,969
NC 1
IN A 2
3
GND
(XW422A00)
M51953AFP
RESET
MAIN: IC54
N.C.
1
N.C. 2
N.C.
3
GND
4
V
CC
7
R1 5uA
-
+
R2
1.25V
4
GND
Ct V RES
IN
4 3 5
R R
6 7
R 3
10k
22k
R
47k
R1 R R
4 5
10k
60.94k
47k 10k
INV1 INV2 INV3 INV4
Com
-
Q1
+
R
2
INV5 INV6 INV7
24k
R 9
Vref
1.24V
R 10
INV8 INV9
22k
AD8HR
5 VCC
4
OUT Y
8 N.C.
7
V
CC
6 OUT
5 CP
25uA
6
OUT
-
5
CP
RES
7
Q4
1
V
OUT
8
R R D1
10 11
800 10k 2
V
BAT
Q3 8
CS
5k
Q5
6
GND
21