Tlc2932Ipwr (Xv064A00); Ltc1735Cs (X2005A00) - Yamaha DM2000 Service Manual

TLC2932IPWR (XV064A00)

DSP: IC061, 063
PLL
LOGIC V F -B
DD IN
1 5
7 4
LOGIC GND F -A
IN

LTC1735CS (X2005A00)

BRG: IC003
DSP: IC961, 962
DC-DC Converter
Cosc
Cosc 1 SGND
OSC
+ 0V
-
0.86V
V
OSENSE
V
FB
-
6
EA
0.8V +
0.86V
R1 R2
5D
RUN
1.2µA
SOFT-
4(V
FB
START
+
OVER-
6V CURRENT
SLOPE COMP
LATCHOFF
R
c
RUN/SS 2 3 I
TH
C C
SS c
PFD INHIBIT VCO INHBIT VCO V VCO OUT
DD
9 10 14
DETECTOR CHARGE PUMP
6 12 13
PFD OUT V R VCO GND
COIN BIAS
13
V
0.8V
0.17µA REF
5 4 FCB
FC
C
F
- -
+ +
1.2V 0.8V
SYNC
FORCE BOT
DROP
OUT
DET
BOT
SWITCH
LOGIC
S
TOP ON
Q
B
R +
0.55V
-
2.4V
SD
2k 45k
45k
ICMP - - -
IREV
I I
1 - + + - 2
+ V V + +
V
BURST 3mV
DISABLE
FC
INTV
CC
A
)
BUFFERED
+
4.7V
I
TH
30k 30k
-
SENSE + SENSE -
8 7
SELECT
3 2
LOGIC V
DD
SELECT
VCO OUT
1/2
F -A
IN
F -B
IN
PFD OUT
LOGIC GND
11 8
NC
V
IN
+
C
IN
IN
UVL
INTV
CC
D
B
BOOST
15
V
SEC
C
B
TG
TOP
16
+
SW
14
D
1
BOT
+
INTV
CC
IN 12
+
C
INTV
CC
5.2V
LDO
REG
BG
11
PGND
EXTV 9 10
CC
R
SENSE
1
14 VCO V
DD
2 13
R
BIAS
3
12
V
COIN
4
11
VCO GND
5
10
VCO INHBIT
6
9
PFD INHIBIT
7 8
NC
C
1
OSC
C
SEC
2
RUN/SS
I
3
TH
FCB
4
V
OUT
SGND
5
C
OUT
V
6
OSENSE
SENSE -
7
+
SENSE 8
DM2000
16 TG
BOOST
15
SW
14
V
13 IN
12 INTV
CC
11
BG
10
PGND
EXTV
9
CC
75