Main Board - Philips FWD792 Service Manual

6-1

MAIN BOARD

TABLE OF CONTENTS
Internal IC Diagram ............................................................. 6-1
Voltage List .......................................................................... 6-2
Circuit Diagram Servo ......................................................... 6-3
Circuit Diagram Amplifier(Top Left) ..................................... 6-4
Circuit Diagram Amplifier(Top Right) ................................... 6-5
Circuit Diagram Amplifier(Bottom Left) ................................ 6-6
Circuit Diagram Amplifier(Bottom Right) ............................. 6-7
PCB Layout Top View .......................................................... 6-8
PCB Layout Bottom View .................................................... 6-9
Electrical Parts List .............................................................. 6-10
ES8380 PHOENIX INTERNAL IC DIAGRAM
Motor
DVD/CD
Motor Driver
OPU
SDRAM
ES8380
(8/16-MB)
Phoenix
EEPROM
ROM/Flash
INTERNAL IC DIAGRAM-V5888S HSOP
MUTE BLAS VINTK TRB-2 NC VINLD GND
28 27 26 25 24 23 22
10k
MUTE
10k
+ -
25k
Thermal
Shut dowm
25k 10k
+ -
10k
1 2 3 4 5 6
VINFC TRB-1 RSGO2 VINSL+ REGO1 FWD REV
6-1
Video
TV Display
Audio
Audio
S/P DIF
A/V Receiver
VFD Driver
NC VCC2 VOLD- VOLD+ VOTK- VOTK+
VCTL
21 20 19 18 17 16
15k
Actuator
Spindle
+
Driver(6X)
Driver(4X)
-
+
-
Sled
25k
Driver(4X) Driver(6X)
Prc-DRV TRAY
DRIVER
VCC1
RGND
7 8 9 10 11 12 13
VCC1 VOTR- VOTR+ VOSL+ VOSL- VOFC-
Speakers
Microphone In
VFD Panel
IR Remote
15
Vcc2
Vcc2
Vcc1
Actuator
14
VOFC+