Table Of Contents - Philips HTS3548W/55 Service Manual

6 - 1
MAIN BOARD

TABLE OF CONTENTS

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