7 - 1
7 - 1
MAIN BOARD
TABLE OF CONTENTS
Internal IC Diagram ........................................................................... 7-1
Circuit Diagram (Amplifi er) ................................................................ 7-2
Circuit Diagram (Servo) ..................................................................... 7-3
PCB Layout Top View ....................................................................... 7-4
PCB Layout Bottom View .................................................................. 7-5
Voltage .............................................................................................. 7-6
1
2
5
2
6
2
7
2
8
2
22
23
8
1
9
1
0
2
4
2
15
16
17
MUTE
Thermal
Shut dowm
10k
10k
10k
10k
25k
25k
25k
15k
Vcc1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VINFC
TRB-1
RSGO2 VINSL+ REGO1
FWD
REV
VCC1
VOTR- VOTR+ VOSL+ VOSL-
VOFC- VOFC+
MUTE
BLAS
VINTK
TRB-2
NC
VINLD
GND
VCTL
NC
VCC2
VOLD- VOLD+ VOTK- VOTK+
RGND
VCC1
Prc-DRV
TRAY
DRIVER
Sled
Driver(4X)
Actuator
Driver(6X)
Spindle
Driver(4X)
Driver(6X)
Actuator
Vcc2
Vcc2
+
-
+
-
+ -
+ -
+ -
+ -
INTERNAL IC DIAGRAM - CO4558A HOSP
INTERNAL IC DIAGRAM - V5888S HOSP