1-13
TH-A30
1. Block diagram
2. Pin function
BA5954 (MU9) : Motor driver
28
22
27
26
25
24
23
21
15
20
19
18
17
16
1
20k
7.5k
10k
7.5k
7.5k
20k
7.5k
10k
25k
DET.AMP.
DET.AMP.
V
CC
PGND
PreGND
10k
7
2
THERMAL
SHUT DOWN
3
4
5
6
8
14
9
10
11
12
13
SLED
DRIVER
ACTUATOR
DRIVER
PV
CC
1
PV
CC
2
V
CC
LOADING
DRIVER
ACTUATOR
DRIVER
STAND
-BY
2
PV
CC
2
PV
CC
1
PGND
-
-
-
-
-
-
-
15k
10k
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Symbol
VINFC
CFCerr1
CFCerr2
VinSL +
VinSL -
VOSL
VNFFC
VCC
PVcc1
PGND
VOSL -
VOSL +
VOFC -
VOFC +
VOTK +
VOTK -
VOLD +
VOLD -
PGND
VNFTK
PVcc2
PreGND
VinLD
CTKerr2
CTKerr1
VinTK
BIAS
STBY
Function
Focus driver input
Capacitor connection terminal for error amplifier filter
Capacitor connection terminal for error amplifier filter
Operational amplifier input for thread driver (+)
Operational amplifier input for thread driver (-)
Operational amplifier output for thread driver
Focal driver return terminal
Pre VCC, thread driver part power VCC
Power
Loading driver part power VCC
Thread driver part output (-)
Thread driver part output (+)
Focus driver part output (-)
Focus driver part output (+)
Tracking driver output (+)
Tracking driver output (-)
Loading driver output (+)
Loading driver output (-)
Power GND
Tracking driver return terminal
Actuator driver part power VCC
Pre GND
Loading driver input
Capacitor connection terminal for error amplifer filter
Capacitor connection terminal for error amplifer filter
Tracking driver input
Bias input
Standby terminal
+
+
+
+
+
+
+
2
Description of major ICs
Summary of Contents for TH-A30
Page 29: ...1 29 TH A30 M E M O ...
Page 38: ...H A B C D E F G 2 6 TH A30 TH A30 oard Switch board Display board d circuit boards ...
Page 39: ...A B C D E F G 2 7 TH A30 ain board Jack board ...
Page 40: ...H A B C D E F G 2 8 TH A30 TH A30 ader board Forward side DVD MPEG board Forward side ...
Page 41: ...A B C D E F G 2 9 TH A30 DVD loader board Reverse side VD MPEG board Reverse side ...
Page 42: ...H A B C D E F G 2 10 TH A30 TH A30 e side ard d side ...
Page 43: ...TH A30 M E M O ...
Page 65: ...TH A30 3 21 M E M O ...