Harman Kardon DVD 29/230 Service Manual page 28

harman/kardon
Pin description
PIN No Pin Name
1
2
3
4 VINSL+
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Notes) Symbol of + and – (output of drivers) means polarity to input pin.
(For example, if voltage of pin1 is high, pin14 is high.)
A M t e k S E M I C O N D U
A M t e k S E M I C O N D U
VINFC Input for focus driver
TRB_1 Connect to external transistor base
REGO2 Regulator voltage output, connect to external transistor collector
Input for the sled driver
REGO1 Regulator voltage output, connect to external transistor collector
FWD Tray driver forward input
REV Tray driver reverse input
Vcc1 Vcc for pre-drive block and power block of sled and tray
VOTR- Tray driver output (-)
VOTR+ Tray driver output (+)
VOSL+ Sled driver output (+)
VOSL- Sled driver output (-)
VOFC- Focus driver output (-)
VOFC+ Focus driver output (+)
VOTK+ Tracking driver output (+)
VOTK- Tracking driver output (-)
VOLD+ Spindle driver output (+)
VOLD- Spindle driver output (-)
Vcc2 Vcc for power block of spindle, tracking and focus
NC No Connection
VCTL Speed control input of tray driver
GND Ground
VINLD Input for spindle driver
NC No Connection
TRB_2 Connect to external transistor base
VINTK Input for tracking driver
BIAS Input for reference voltage
MUTE Input for mute control
C T O R S
C T O R S
Function
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DVD 29/230 Service Manual
AM5888S
Motor Driver ICs
F e b 2 0 0 5
F e b 2 0 0 5
Page 28 of 55
V 1 . 2
V 1 . 2