MEX-1HD
60
60
IC5
BD6609FV
• IC Block Diagrams
– SERVO Board –
IC1
LA9246T-TLM
+
−
FBAL
FBAL
7
+
−
FBAL
FBAL
8
+
−
TBAL
TBAL
9
+
−
TBAL
TBAL
GHS
GHS
10
12
REF
REF
+
−
+
−
+
−
+
−
+
−
REF
REF
REF
28
30
31
29
+
−
+
−
REF
REF
26
25
24
23
22
27
SGC
SGC
SGC
−
−
+
TES
VCC
11
14
15
APC
13
+
−
6
5
3
2
1
4
REF
16
17
18
GHS
BHH
TBAL
FBAL
EQS
19
20
21
BH
AGC
BH
PH
EQ
REF
GHS
EQS
EQS
BHH
PH
32
33
35
36
34
PH
CONTROL
+
FE
REFL
GND2
FE
−
TE
TSS
TS
VCC2
TSH
TE
−
SGC
TBAL
FBAL
RHOLD
RFSM
BH
PH
VCC1
FIN1
FIN2
E
F
VREF
REFI
LDS
LDON
LDO
RFIN
RFA
−
RFAO
PHC
BHC
GND1
GHS
BHH
EQS
UPPER
AND
LOWER
DISTRIBUTION
PRE-DRIVE
+
−
+
−
+
−
DRIVE
SIGNAL
COMPOSITION
LOGIC
EX-OR
TIMING
SELECTOR
2
3
4
8
9
10
5
6
7
1
19
18
17
16
15
14
20
START-UP
CONTROL LOGIC
PHASE
CONTROL
SLOPE
COMPOSITION
+
−
13
12
11
STAND-BY
THERMAL
SHUT DOWN
RF
UNI
VIN
CSL1
CSL2
GND
WIN
COM
CST
UOUT
WOUT
GSUB
VM
VCC
RIB
STBY
VOUT
BRK+
BRK
−
FG
IC6
BA5918FP-Y
25
24
23
22
21 20 19 18
17
16
VCC
VCC
VCC
–
+
1
2
3
5
6 7
8
9
10
11
4
VIN4
VIN3'
VIN3
OP OUT
OP IN(–)
OP IN(+)
GND
VCC
VO3–
VO3+
VCC
BIAS-IN
VIN1
VIN2'
VIN2
GND
GND
STBY
VCC
VO2–
VO2+
12
13
VO1–
VO1+
–
+
–
+
+
–
–
+
+
–
LEVEL
SHIFT
STBY
15
14
–
+
VO4–
VO4+
–
+
LEVEL
SHIFT
–
+
–
+
–
+
–
+
LEVEL
SHIFT
LEVEL
SHIFT
–
+
Summary of Contents for MEX-1HD - Audio Library System
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