Toshiba SD-2300, Service Manual

Page: 115 / 160

Table 3-5-3 PQ20WZ51
Pin
No.
1
2
3
4
5
Function
DC input
ON/OFF control terminal
DC output
Output voltage adjustment terminal
GND
Name
V
IN
V
C
V
O
V
ADJ
GND
Main ICs Function
Ref. No.
IC721
IC303
IC706
IC402
IC502
IC503
IC905
IC603
IC710
IC713
IC Name
S24C04BFJ-TB
ADV7190
XCMMPL3CZP
TC9489F
TA1313F
KA3032
PCM1716E
TMP93CS44F
LH28F320BJE-PBTL90
Function
EE-PROM
Video Encorder
AV Decorder
SERVO & Data Processor
RF Signal processing IC
5-CH Motor Driver
DA Converter
Main Micro Processor
Flash ROM
Detail
Setup default, memorization of specification setting.
Built-in D/A converter. Encodes digital video signal to analog video
signal of NTSC/PAL system.
Decryption, MPEG-2 Decode, Audio Decode, Sub Picture Decode,
OSD.
Performs servo control of DVD or CD, and performs demodulation
and correction of RF signal.
Equalizes of playback RF signal and generates error detection signal
required for each servo operation.
5ch driver for motor driving.
Stereo audio DA converter with a dual PPL built-in.
Performs system control for all circuits.
Memorization for firmware.
Table 3-5-1
Table 3-5-2 MBM29DL324BD
Pin
No.
1
|
10,
16
|
25,
48
29
|
36,
38
|
45
26
28
11
12
15
47
14
27
46
37
13
Function
Address Input
Data I/O
Chip enable
Output enable
Write enable
Hardware reset
Ready/Busy output
8 bit, 16bit mode switch
Write protect/acceleration
Ground
Power supply
No connection
Name
A
1
, A
0
-A
20
DQ
0
- DQ
15
CE
OE
WE
RESET
RY/BY
BYTE
WP/ACC
V
SS
V
CC
N.C.