Philips FWD39/21 - Main Board Information; IC Internal Block Diagram - Power Amplifier; IC Internal Block Diagram - DVD Processor

MAIN BOARD
TABLE OF CONTENTS
Internal IC Block Diagram ..................................... 7-1 to 7-4
Circuit Diagram ...................................................... 7-5 to 7-7
PCB Layout Top View ...................................................... 7-8
PCB Layout Bottom View ................................................ 7-9
Electrical Parts list ......................................................... 7-10
7-1 7-1
IC INTERNAL BLOCK DIAGRAM - POWER AMPLIFIER
TDA8922
MGU994
OUT1
V
SSP1
V
DDP2
DRIVER
HIGH
OUT2
BOOT2
TDA8922TH
(TDA8922J)
BOOT1
DRIVER
LOW
RELEASE1
SWITCH1
ENABLE1
CONTROL
AND
HANDSHAKE
PWM
MODULATOR
MANAGER
OSCILLATOR
TEMPERATURE SENSOR
CURRENT PROTECTION
STABI
MODE
INPUT
STAGE
mute
9 (3)
8 (2)
IN1−
IN1+
22 (15)
21 (14)
20 (13)
17 (11)
16 (10)
15 (9)
V
SSP2
V
SSP1
DRIVER
HIGH
DRIVER
LOW
RELEASE2
SWITCH2
ENABLE2
CONTROL
AND
HANDSHAKE
PWM
MODULATOR
11 (5)
SGND1
7 (1)
OSC
2 (19)
SGND2
6 (23)
MODE
INPUT
STAGE
mute
5 (22)
4 (21)
IN2−
IN2+
19 (-)24 (17)
V
SSD
HW
(1)
1 (18)
V
SSA2
12 (6)
V
SSA1
3 (20)
V
DDA2
10 (4)
V
DDA1
23 (16)13 (7)18 (12) 14 (8)
V
DDP2
PROTSTABI
V
DDP1
IC INTERNAL BLOCK DIAGRAM - DVD PROCESSOR
ES6629
Huffman
Decoder
Video
Processor
32-Bit
Serial Audio
Processor
Interface
RISC
DRAM
Interface
16 K Cache
Gateway
+
DMA
Controller
DVD
RAM
ROM
SRAM/ROM
Interface
GPIO
TV-Encoder
Transport
Descrambler
+
Subpicture
Controller
ATAPI
Display
OSD
Servo
DSP
Servo
µ Controller
ECC
Memory
Controller
Servo