
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
VSSP1
VDDP2
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)
VSSP2
VSSP1
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)
VSSD
HW
(1)
1 (18)
VSSA2
12 (6)
VSSA1
3 (20)
VDDA2
10 (4)
VDDA1
23 (16)
13 (7)
18 (12)
14 (8)
VDDP2
PROT
STABI
VDDP1
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
Summary of Contents for FWD39
Page 7: ...1 7 ...
Page 17: ...2 2 REPAIR INSTRUCTIONS 2 2 ...
Page 18: ...2 3 REPAIR INSTRUCTIONS 2 3 ...
Page 22: ...4 1 BLOCK DIAGRAM 4 1 ...
Page 23: ...4 2 WIRING DIAGRAM 4 2 ...
Page 37: ...SYSTEM BLOCK DIAGRAM 7 4 7 4 ...
Page 38: ...CIRCUIT DIAGRAM MAIN BOARD 7 5 7 5 A B C D E A B C D E 1 2 3 4 5 6 1 2 3 4 5 6 ...
Page 40: ...7 7 7 7 CIRCUIT DIAGRAM MAIN BOARD SERVO PART A B C D E A B C D E 1 2 3 4 5 6 7 1 2 3 4 5 6 7 ...
Page 42: ...PCB LAYOUT MAIN BOARD TOP VIEW 7 9 7 9 A 1 2 3 4 5 6 7 B C D E F A B C D E F 1 2 3 4 5 6 7 ...