BBK ABS530T Service manual

Principle and Maintenance of ABS530T(RU)

Table of Contents

Chapter I Overview of ABS530T (RU)

1. Description of Functions

2. Block Diagram of Player

3. Composition of IC for Player

Chapter II Operating Principle of Servo Circuit

1. Processing Procedure of Digital Signal

2. Processing Procedure of Control Signal

Chapter III Operating Principle of Decoding Circuit

1. Control Circuit of System

2. Audio and Video Output Circuit

Chapter IV Operating Principle of Power Board

1. Block Diagram

2. Operating Principle of Circuits

Chapter V Operating Principle of Panel

1. Operating Principle

Chapter VI Troubleshooting

Appendix: Functions of IC Pins

Operating Principle Analysis of ABS530T(RU)

Chapter I Overview of ABS530T(RU)

I. Description of Functions
ABS530T(RU)is a mini-type music center integrating with video disc and power

amplifier, with the following major features:

1. The layer adopts “Sanyo deck+MT1389” solution;

2. The power amplifier adopts the analogue power amplification circuit, with the
power IC of TDA7265;

3. The audio DAC adopts CS4340 192KHz/24bit sampling, with high integration and
high performance and price ratio;

4. It has the function of radio reception, and the tuner adopts Sanzhenxing DTS -44K
（CE）module;

5. The power supply adopts the linear power, with stable performance and lower cost;

6. Equipped with SCART（CVBS/RGB）port;

7. “RSD” function;

8. Timed ON/OFF functions.

9. Compact and with beautiful appearance.

II. Block Diagram of ABS530T Complete Player and IC Function Table:

track

power

servo drive

channel output

VGA

Sanyo

deck

focus

29LV160BE

16M ROM

BA5954

feed

main

load

Load drive

Power circuit

Radio reception head

AT24C02

MT1389

digital signal

digital servo

SDRAM

MPEG decoder

4340，7265

HCU04

status

Audio D/A，

Refor

Panel circuit

AV output circuit

Progressive

Composite video

S-video

Y/Cb/Cr

2-

Optical, coaxial

Y/Pb/Pr

Figure 1

III. Function Table of ICs for ABS530T

Circuit

Board

Deck

Number Name Function

　 Sanyo Pick-up of disc signal

U201 MT1389

U202 AT24C02 Series EEPROM, status memory
U205 HCU04 Hexaphase

Mother

U207 CS4340 AF digital/analog converter circuit

Board

U209 LM1117MP-1.8 1.8v voltage -regulated power supply
U211 AE45164016 64Mbit SDRAM
U214 29LV160BE 16Mbit FLASH ROM

RF signal processing, digital signal

processing, servo processing, MPEG

decoding, line scan, system control

U219-221

4580 Dual operational amplifier

U302 D5954 4-channel servo driver circuit

Panel U401 IC 0791 Panel control, VFD display drive

U402 HS0038A2 IR sensor

+12V 3-terminal voltage-regulated

power supply

-12V 3-terminal voltage -regulated
power supply

5V 3-terminal voltage -regulated

power supply

+3.3V 3-terminal voltage -regulated

power supply

Power
Board

N100 LM7812

N102 LM7912

N101 LM1085

N104 IC BA033

N103 TDA 7265 Power amplification IC

Chapter II Operating Principle of Servo Circuit

I. Processing Procedure of Digital Signal

ABS530T(RU) adopts Sanyo double super error correction mechanism and MTK
decoding solution, and its servo circuit mainly consists of preposition signal
processing, digital servo processing, digital signal processing IC MT1389 and driver
circuit BA5954. MT1389 is also a main part of the decoding circuit.

The A, B, C, D, E, F, SA, SB and RFO signal transmitted from the mechanism are
mainly inputted through the 2-13 pins of MT1389, and after amplifying treatment of
built-in amplifier of MT 1389, the signals are treated in two parts within MT1389:

After being processed by the internal digital servo signal circuit of MT1389, part of
the signal forms into corresponding servo control signal, and output focus (FOSO),
tracking (TRSO), main shaft (DMSO) and feed (FMSO) servo control signal from the
P42, P41, P37 and P38 of MT1389 and send them to the driver circuit BA5954 to
amplify the drive. After drive amplification, the signals will drive the focus coil,
tracking coil, main shaft motor and feed motor. The focus and tracking servo s will be
used to adjust the object lens and enable laser beam to identify signal from compact
disc correctly; the feed servo will be used to drive the laser head to move
longitudinally, and scan the compact disc; the main shaft servo is used to control the
main shaft motor to read the signals in constant linear speed and drive the disc to
rotate.

After being processed by the internal VGA voltage -controlled amplifier of MT1389 in
amplification and balance frequency compensation; another part of the signals is
converted into digital signal by the internal A/D converter. When the mechanism
reads the CD/VCD signals, these signals will be EFM demodulated in MT1389, and
after accomplishing CIRC error regulation in internal MT1389, output to the next
grade to carry out audio and video decoding; when the deck reads the DVD signals,
these signals will be ESM demodulated in MT1389, and after accomplishing RSPC
error regulation in internal MT1389, output to the next grade to carry out audio and

video decoding.

II. Processing Procedure of Control Signal

1. Automatic control of laser power, with the circuit shown as the Figure II:

MT1389 is integrated with APC (automatic light power control) circuit. Its Pin 20 is
the pin for inputting VCD laser power rate detection signal, the Pin 21 is the pin for
inputting DVD laser power rate detection signal, and the Pin 23 is the pin for
outputting VCD laser power rate drive control. When the Pin 23 finds that the laser
output power rate is too strong, the output voltage on Pin 23 will increase after the
processing of internal circuit of MT1389, and then the conduction degree of V302
(2SB1132) and the voltage on its integration polar will decrease, which consequently
lead to the decrease of voltage supplied to the laser tube, the weakening of laser head
lighting, and thus achieve the automatic adjustment on laser output power. The Pin 22
is the pin for outputting DVD laser power drive control, with the specific control
procedure similar to that of VCD.

2. The tray open/close control circuit is shown as the Figure III:

Figure 3
Different from the circuit in former MTK solution, the MT1389 is integrated with
preposition signal processing circuit, so the tray open/close control signals are
accomplished by MT1389, that is to say, the close control signal is accomplished by
the Pin 51 of MT1389, while the open control signal by Pin 39 of MT1389.

When we press the open button, the Pin 51 of MT1389 is in high power level, while
the Pin 39 is in low power level, and then the triode V308 will be on-state. Through
resistor R323, the base of V306 will be made to be in low power le vel, and V306 will
be on-state, with the current direction as the following figure:

Power voltage VCC ? V306E-C junction ? motor negative
terminal LOAD- ? motor positive Load +? V308 C-E
junction ? grounding

So the motor will rotate clockwise to accomplish the action of tray closing.
When we press the open button, the Pin 51 of MT1389 is in low power level, while

the Pin 39 is in high power level, and then the triode V307 will be conducted.
Through resistor R324, the base of V309 will be made to be in low power level, and
V309 will be conducted, with the current direction as the following figure:

Power voltage VCC ? V309E-C junction ? motor negative
terminal LOAD- ? motor positive Load +? V307 C-E
junction? grounding

So the motor will rotate anti-clockwise to accomplish the action of tray opening.

3. The main shaft motor braking circuit is as the Figure IV:
To prolong the lifespan of motor and reduce the influence of start-up impact

current, with the installation of disc, our R&D personnel design the main shaft motor
to be in the state of constant operation, so that even if the STOP button is pressed, the
disc will not be stopped. Therefore, when we press the OPEN button, a braking signal
is required to stop the rotation of main shaft motor immediately to accomplish the
opening action in a short time.

During playing, if we press the OPEN button, the main shaft drive signal will
disappear, and because of inertia, the main shaft motor is still in operation. As the
electromotive force generated in the operation of motor receives the induction voltage
on sampling resistors R321 and R340, which, through the resistor R319 and R320, is
added to the Pin 36 and Pin 35 of MT1389, and outputted from the Pin 34 after
internal processing for amplification in MT1389, and delivered to Pin 47 of MT1389
through R318. After the internal A/D conversion and corresponding processing, an

instant motor reversal braking signal will be outputted from the Pin 37 of MT1389 to
stop the rotation of main shaft motor immediately, so as to ensure the standstill of the
disc when opening the player.

III. Servo drive circuit

The servo drive of the player is accomplished through a piece of 4-channel dedicated
drive circuit BA5954, with the circuit as Figure V:

The 4 servo control signals generated in digital servo circuit processing of MT1389,
i.e. focusing control FOSO, tracking control TRSO, feed control FMSO and main
shaft control DMSO signals, are added to the pins 1, 26, 23 and 5 of BA5954
respectively, and after drive amplification of BA5954, the focusing and tracking drive
signals will be outputted from the pins 13 and 14 and pins 15 and 16 of BA5954
respectively, and added to the focusing and tracking coils to drive the light head to
accomplish the actions of focusing and tracking.

The feed and main shaft drive signals will be outputted from the pins 17 and 18

and pins 11 and 12 of BA5954 respectively, and added to the feed motor and main
shaft motor to drive the light head to move longitudinally and enable the disc to rotate
in constant linear speed.

The STBY on Pin 28 of BA5954 is an output -enabling signal, and only when the pin
is in high power level, there will be output of drive voltage on the output terminal.

Chapter III Operating Principle of Decoding Circuit

The decoding circuit of the player mainly consists of decoding chips (including
MT1389, SDRAM AE45164016 and FLASH ROM 29LV160BE) and audio DAC
CS4360.

I. Control Circuit of System

1. Reset circuit is as the Figure VI:

The reset circuit of the player consists of triode Q204 9014, reset capacitor TC217
100uF/16V and phase inverter U205 HCU04. In starting up, as the terminal voltage of
capacitor cannot be changed suddenly, the basic of Q204 is in low power level. After
the cut-off of Q204, its emission polar is in low power level, after secondary phase
inversion by U205 and regulation, the low power level reset signal is outputted to the
Pin 110 of MT1389 to reset MT 1389.
When the recharging of TC217 is finished, the base of Q204 will be in high power
level, Q204 will be conducted, and the emission polar is in high power level. After the
secondary phase inversion and regulation by U205, a high power level is outputted
and added to the Pin 110 of MT1389 to maintain high power level during its normal
operation.

2. Clock circuit

The crystal oscillator of X201 27MHz, C275/27PF, C276/27PF and phase inverter
HCU04 form into clock oscillation circuit, and the clock signals generated are added
to the pins 229 and 228 of MT1389 through R244 and 4248 to provide operating
clock for MT1389.

3. Data communication circuit

The data communication circuit of the player consists of decoding chip MT1389,
SDRAM, AE45164016 and FLASH ROM 29LV160BE, as the Figure VII:

MT1389 is a piece of super large integrated circuit, with the operation voltage of
+3.3V and +1.8V. Its functions include: RF small signal preposition processing,
digital servo, digital signal processing and accomplishing MPEG decoding and video
coding. The built-in MCU of MT1389 is also the system control circuit of the whole
player .

AE45164016 is a piece of 4M*16bit large capacity SDRAM, with the operation
voltage of +3.3 V. In DV971, the 6ns module is adopted, with high speed and the
maximum operation frequency up to 166MHz. Its main function is for operation
buffer storage of decoding chip MT1389 to store the audio and video data stream in
decoding.

29LV160BE is a piece of 16Mbit FLASH ROM, with the operation voltage of +3.3V,
mainly for storing the user’s information including OSD character information,
operational microcode and LOGO in start-up.

39 38 37 18 17 19 16 20 21

77

26 28 11 15 47 79 66 VD

RY/BY

29LV160BE

BYTE

GND

A0—A21

AD0—AD7

DCE
DRD

DWR

MT1389

DMA0—DMA11

DQ0—DQ15

113
137
156
157
140
139
142
138
145
143

AE45164016

DQML

15

DQMH
CLK
CKE
RAS
CAS
CS

WE
BA1
BA0

Figure 7

II. Audio and Video Output Circuit

1. Video output circuit

ABS530T(RU) can not only output three types of interlacing video signal (including
CVBS composite video, S terminal Y-C signal and Y/Cb/Cr color difference signal),
but also output two types of progressive video signal (including Y/Pb/Pr progressive
color difference signal and VGA progressive signal).

The decoding chip MT1389 has built-in video encoding circuit for direct output of
analogue comp osite video signal CVBS, S terminal, color difference signal and VGA
signal.

The CVBS composite video signal is outputted from the Pin 198 of MT1389, the S
terminal signal Y-C is outputted from the pins 194 and 196 of MT1389, the color
difference signal and the R-B-G signal of VGA port is outputted from the pins 203,
202 and 200 of MT1389, the row and field synchronization signals of VGA port are
outputted from the pins 207 and 205 of MT1389 respectively.

To mention specifically, the interlacing color difference signal, the progressive color
difference signal and progressive R-B-G signal are outputted from the same pin,
therefore the signal output shall be selected according to the ports of TV, otherwise
there will be only sound but without picture display.

2. Audio DAC circuit, as the Figure VIII:

The main function of audio DAC c ircuit is to convert the digital audio signal decoded
from MT1389 into analogue audio signal through D/A converting circuit, and output
the audio signal after buffing and amplification to the next amplifying devices to
restore it to voice.

The digital audio signals ASDATA0 decoded from MT1389 are outputted from the
Pin 217 of MT1389, and delivered to the Pin 2 of audio DAC circuit CS4360. In the
mean time, the left and right sound channel clock signal ALRCK, bit clock signal
ABCK and the external audio clock signal ACLK required in D/A conversion are
outputted from the pins 213, 214 and 215 of MT1389, and added to the pins 5, 3 and 4
of CS4360 respectively.

CS4340 will carry out D/A conversion on the digital audio signals from the channels
of SDATA0 under the control of I2C（SDA, SCL） delivered by MT1389, and output
the 2-way analogue audio signals from the pins 12 and 15 of CS4340 for the
amplification in the next step. The related functions of various signals are as follows:

ASDATA0---- Digital audio signal, including the signals of left and right

channels

ALRCK-----Left and right bit clock signals, for separating left and right

channels
ABCK-----Bit clock signal, for ensuring the accuracy of signal transmission
ACLK-----External clock signal, as the operation clock of CS4340

3. Audio output amplification circuit
The audio digital signals outputted from the decoding board are delivered to the

power amplification part for processing after D/A conversion by IC CS4340.
Power amplification parts:
This model carries 2-channel power amplification, and adopts IC TDA7265 to

amplify the sound channels. In rated power and the load resistance of 8 ohms, the
output power of each sound channel can reach 6W. With the combination of active

The amplifying circuit adopts solely power IC amplification; therefore it has high

integration degree, simple circuit and easy control. The analogue signal outputted
from IC4340 will be amplified by IC 4558, and delivered to N103 IC PT2315 for
electronic sound volume regulating processing after the left and right sound channels
are gated by N102 IC 4052, and then to IC TDA7265 for power amplification, and
output.

IC TDA7265 is a double-channel power amplification IC, with standby and muting
mode, without switching impact, but with the function of overcurrent and overload
protection to prevent the IC from being damaged in abnormalities effectively. The IC
can provide the maximum 30W power output for each channel in normal output mode,
and when adopting BTL output, the power can reach 50W. Besides, the IC has strong
anti-ripple function, and is featured with low power consumption in standby state.

The functions of the pins of IC TDA9843J are as follows:
Mark Pin Function of Pins

-VS 1 Negative supply
OUTPUT1 2 Output of first channel
+VS 3 Positive supply
OUTPUT2 4 Input of second channel
MUTE 5 Mute control line

-VS 6 Negative supply
IN+（2） 7 Channel 2 positive phase

input

IN-（2） 8 Channel 2 antiphase input
GND 9 Grounding pin
IN-（1） 10 Channel 1 antiphase input
IN+（1） 11 Channel 1 positive input
Additionally, ABS530T(RU) also has optical and coaxial digital audio output. The

digital audio signals after the decompressing of MT1389 are outputted from the Pin
225 of MT1389 in the format of IEC958, and added to the corresponding optical and
coaxial terminal output after the regulation by phase inverter HCU04 of U205.

4. Muting and power-off quieting
The muting part of the player is controlled by the SCMUT and LRSWMUT outputted

by MT1389. During starting up till reading out the disc, the two controlling lines will
output high power level to mute the sound channels. After the disc reads out the
signals, MT1389 will alternate the two controlling lines into lower power level to
carry out normal signal output. When the remote control muting is pressed, the two
controlling lines will be alternated into high power level to realize muting. For this
model has just the amplification output of left/right channel, the central mute control
line is applied to control the mute of the Karaoke.

5. Automatic Power-on Function
This model is equipped with the IC M41T81, so that it has the function of a clo ck; just

like a clock, when you power it off, it is supplied with the power from one group of
battery inside it; when the external power is cut off, the internal power supply is
switched on. Therefore, the clock can still work in case of the power cut.

The most distinctive feature of this player is its automatic turnon function. Whenever
you want to turn it on, you just preset the turnon time and then set it to a standby
status. As a result, when the clock runs to the preset turnon time, the player will give a
high level trigger to the STANBY at P50 of 1389, and the player will be turned on.
The preset time is stored in the IC 24C02 while the clock is controlled by the 1389
and IC M41T81.

When the MUTE1 is at the high level, the triode V107 is turned on, so that the triode
V103 and V104 are turned on, and the left/right channel signal is connected with the
grounding, so that the mute is realized therefore.

This mute circuit includes three diodes in parallel connection; among the three control
lines, when there is any one at high level, the MUTE signal outputs at low level, so
that the power amplifier tube TDA7265 works normally; only when the three control
lines are at low level synchronously, the triode V106 cuts off, so that the MUTE

outputs high level and the zener diode on the power board turns on at the reversed
direction while the triode V100 turns on and pulls down the voltage at P5 of
TDA7265, and finally the complete mut ing is realized.

In addition, there is a C128 1U/50V capacitor on the peripheral circuit of IC
TDA7265 and the mute control line. The start-up mute is realized, for the voltage at
both ends of the capacitor can not change abruptly at the very moment when the
player is turned on, so as to make the level at the P5 to be low at the very moment of
turning on the player. When the player is turned off, this capacitor discharges quickly
via the resistor R114 so as to make the level at P5 to become low rapidly, so that the
function of turnoff mut ing is realized.

5. Function of Tuning
ABS530T（RU）has the function of tuning, and can receive RDS signal. The signals of

radio reception, the auxiliary channel input signal and the left and right sound signal
outputted from CS 4360 are gated through N111IC CD4052, and the controlling A and
B are controlled by the low and high power level of AUIN SL0 and AUIN SL1
emitted from MT1389.

The radio head control lines CE, DI, CL and DO are controlled by the array lines
connected to MT1389 for the direct control by 1389. When any one of the controlling
lines is in abnormality, the radio reception will be in malfunction. The RDS signal
received by radio head will be delivered to the dedicated IC SAA6588 for processing.

y and

Chapter IV Operating Principle of Power Circuit

I. Block Diagram

Transf
ormer
output

Service voltage of amplifier

II. Analysis of Operating Principle

The player adopts linear power for power supply, and is featured with high power,
stable power supply and low cost.

After the input voltage is switched via the insulating transformer, the two groups of
AC outputs are rectified via the bridge rectifier composed of the VD100, VD101,
VD102, VD103 and filtered via the C100, C101, C112 and C113, and then a group of
±20V DC supplies the power to the amplifier IC — such voltage outputs the stable ±
12V via the IC 7812 and IC 7912. For the current is purified by two groups of filter
capacitor, and the stabilizing IC is for the voltage stabilizing output, therefore the
output voltage is relatively stable, with low ripple factor. After the rectifying and
filtering, the other group of 8.4V AC voltage outputs +5V CD via the stabilization of
IC 1805, then after the filtering and the stabilization via the stabilizing IC BA033, it
outputs +3.3V to supply the power to the decoding IC. For this model adopts the
linear power supply, and the voltage part and signal amplification part are on the same
board, it’s better to process at the power purifying part in order to keep the effect upon
the signals from the power supply surge. In doing so, the player can be ensured to
have relatively low fluctuation in its service voltage in case of any change to the
public power supply, so that the reliability of the player is ensured. The transformer
has another group of voltage output, with an AC connecting directly to the panel so as
to supply the filament voltage to the display; another group of voltage outputs a group
of +27V DC after the rectifying and filtering, so as to supply the grid voltage to the
display.

Rectif

filtre

Stabilizing

Additionally, this player has the timed power-on function. To ensure some circuits of
this player to work normally without the external voltage so as to realize the purpose
of timed start function, this player is added with a group of lithium battery supplying
3V voltage, so that the clock can still work normally when the player is turned off.
When the power on the player is turned on, the VCC voltage effects on the diode
VD118 and the diode cuts off, so the battery can not supply the power to the entire
player. When the power on the player is turned off, the VCC is at zero without the
external voltage, and the diode is positive ly conducted, so that the battery supplies the
necessary voltage to the working part of the clock on the player to ensure its normal
work.

Chapter 5: Panel control and VFD display circuit

IC6311

The panel mainly consists of VFD screen, driver IC6311, IR sensor HS0038A2
and button and indicator display circuit, mainly for accomplishing man-player
dialogue and display of operation status.

The structural drawing is as follows:

Keystoke

VFD

display

control

U401

VFDST
VFDCK
VFDAT

U201

MT1389

MT1389 will control the U401 IC 6311 to display the operation status of the player
through the VFDST status, VFDCK clock and VFDAT data, under the control of
CPU built in MT1389, receive the user control commands sent by IC 6311, and
control the controlled circuit of the player to limit the player to operate in specified
status.

When the user operates the panel buttons, the control command is sent to the IC 6311
through keyboard-scanning circuit, and through internal decoding drive, the IC 6311
outputs the control data from the pins 5 and 6 (VFDAT) to the built-in CPU of
MT1389, which will realize the control on the controlled circuit, and control the VFD
through IC 6311.

VFD401 is a vacuum fluorescence screen, and its biggest feature is its high brightness.
Its operation principle is similar to the kinescope of TV. The pins 1, 2, 34 and 35 are
for filament power supply; the pins 27-32 are GRID poles, each GRID has 16
different characters of display; the pins 4-19 are SEG poles, and the CPU control the
SEG poles through its control on UPD6311, and display the characters of
corresponding operation status on the screen.

Panel indicator control

Figure 11

Remote

receiving

The remote reception circuit mainly consists of remote receptors HS0038A2, of which

the pin 1 is for grounding, the pin 2 for power supply, the pin 3 for output of reception
signal, and they are all connected directly to the CPU in MT1389 to control the
corresponding circuit.

Moreover, there are two digital potential device knobs on the panel, one is for track
control, and the other is for volume control. Through array lines, they are connected
to the pin 168,169,181 and 184 of MT1389 directly.

T roubleshooting

I. Voltage on key points of ABS530T（RU）

Power circuit:

1. PVCC: Around 20V;
Decoding circuit:
Reset:

1. U205 (HCU04): 8 pins, around 3.3V;

2. MT1389: 110 pins, around 3.3V;

3. FLAHS ROM: 12 pins, around 3.3V

Clock:
27MHZ crystal oscillator two ends: Around 0.77V.

I2C bus SDA: 3.3V
I2C bus SCL 3.3V

Servo circuit:
LD01： 3.3V；LD02：3.3V
V301 and V302 electron collector LD voltage: 2.3V
BA5954 pin 4 base voltage: 1.4V
BA5954 pins 15 and 16 tracking drive output: Around 2.5V
BA5954 pins 17 and 18 feed drive output: Around 2.5V
BA5954 pins 13 and 14 focus drive signal output: Around 2.5V
BA5954 pins 11 and 12 main shaft drive output: Around 2.5V
BA5954 pin 1 focus control signal input: 1.4V
BA5954 pin 5 main shaft control signal input: 1.4V
BA5954 pin 26 tracking control signal input: 1.4V
BA5954 pin 23 feed control signal input: 1.4V

No

display

Check if power supply of MT1389

Check the voltage of power board,

is

, C275,

is

Check if the reset circuit which is

Q204 etc.

SDA, SCL 3.3V

short

R260

If SDRAM CLK, CS, RAS, CAS, WE

If FLASH ROM, URST, DCE, DRD,

Check if the connection between

FLASH

II. Troubleshooting of main troubles

picture, no sound, no VFD

3.3V, 1.8V is right?

YES

If the clock signal output XO
and XI is right?

YES

Check if reset signal URST#

NO

in 5V high level?

YES

If I2C bus,
voltage is right?

NO

NO

NO

and check if the decoding board
short circuit to the grounding.

Check if clock oscillating circuit
27M crystal oscillator
C276, R224, R248 are damaged?

comprised by HCU04 and
is in working order?

Check if the AT24C16, CS4360,
MT1389 SDA and SCL are
circuit to grounding, if R259 and
are in working order?

YES

communication signals are right?

YES

YES

Do not read disc

MT1389, FLASH, SDRAM is right?

If the MT1389, SDRAM and
are damaged?

DWR signals are right?

laser

feed control

23 is

17,18

Check if BA5854 and the power

Check if laser head

control

voltage output of

13 and 14 are

coil and its

Check if BA5854 and 5V power

NO

Check if the

head has feed action.

Check if the
input of BA5954 Pin

1.4V?

YES

Check if the
connection from
BA5954 to MT1389
is open circuit?

YES

YES

has focus action?

YES

YES

Check if BA5954 pin
have 2.5V voltage output?

NO

supply 5V are in working order?

NO

Check if BA5954 pin 1

has focus
voltage input of 1.4V.

Check if the

BA5954 pin

2.5V?

Check feed motor
and its connection.

Check if the
connection from
BA5954 to MT1389
is open circuit?

Check focus
connection.

YES NO

supply are in working order?

89 and its

Check if V301 and V302

electron collector voltage is

Check if the laser head

and its array line are

5

Check if the connection from

BA5954 to MT1389 is open

main shaft

11

Check if MT1389

its peripheral

k if BA5854 and 5V power

Check if there is

NO

laser coming out
from laser head?

Check if the signal
voltage of LD01, LD02
is 3.2V?

YES

Check MT13
connection.

YES YES

Check if the

NO

main shaft
rotates?

YES

YES

YES

2.3V?

Check if the control
voltage of BA5954 pin
main shaft is 1.4V?

Check if BA5954 pin
and 12 output is 2.5V?

right?

circuit?

Check if BA5954 or
motor is damaged?

NO

and
circuit is right?

Chec
supply are in working order?

Check if there is sound when disc

assistant channel

Check if there is output on the

control line is

Check main channel

Check radio head control line, if

there are no abnormity, then

Check these two control lines

is open circuit

Radio has no sound

YES

playing or with

NO

YES

radio head.

NO

YES

Check if N111

NO

in working order.

YES

output line.

change the head.

to MT1389
or not?

Confirm if MT1389 is ok?

Attachment ：Functions of IC Pins

I. MT1389

MT1389 adopts the LQFP 256 pin packaging and 3.3V/1.8V double voltage operation
mode. It is a piece of large -scale CD-ROM and DVD-ROM preposition processing
CMOS integrated circuit with excellent performance, and a single chip dedicated to
CD/VCD/DVD player. It contains focusing servo error amplification; tracking servo
error amplification and RF level output servo control, including the following main
functions:

RF small signal preposition processing, mainly for carrying our corresponding
processing and amplification on the RF signals transmitted from the light head part,
adjusting the laser output power automatically, and identifying the VCD disc and
DVD disc.

Digital servo processing can generate focusing, tracking, feed and main shaft servo
control signals; digital signal processing, accomplishing the EFM/EFM +
demodulating of RF signals.

MPEG-1/MPEG-2/MPEG4/JPEG Video decoding chip, which can not only realize
the decoding of VCD and DVD, but also realize MPEG 4 network video decoding,
being compatible to “network movie” disc, and decipher JPED pictures to realize the
function of digital photo album play.

On audio aspect, it can not only realize AC-3/DTS double decoding, decipher
MP3, and is also compatible to DVD-Audio decoding to achieve high-resolution
sound restoration in 1000 times higher than CD.

By utilizing the 8032 microprocessor with built-in chip, MT1369E can also
realize the system control function of player, which simplifies the circuit design
substantially.

The pin functions of MT1389 is as the following table:

Pin Name Function

1 AGND Analogue grounding

2 DVDA

3 DVDB

DVD-RF high-frequency AC coupling

signal A

DVD-RF high-frequency AC coupling

signal B

4 DVDC

5 DVDD

DVD-RF high-frequency AC coupling

signal C

DVD-RF high-frequency AC coupling

signal D

6 DVDRFIP

DVD-RF high-frequency AC coupling

signal RFIP input

7 DVDRFIN

8 MA

9 MB

10 MC

11 MD

12 SA

13 SB

14 SC

DVD-RF high-frequency AC coupling

signal RFIN input

DVD-RAM main light beam RF DC

signal input A

DVD-RAM main light beam RF DC

signal input B

DVD-RAM main light beam RF DC

signal input C

DVD-RAM main light beam RF DC

signal input D

DVD-RAM auxiliary light beam RF DC

signal input A

DVD-RAM auxiliary light beam RF DC

signal input B

DVD-RAM auxiliary light beam RF DC

signal input C

15 SD

16 CDFON CD focusing error phase inversion input
17 CDFOP CD focusing error phase input

18 TNI

19 TPI

20 MDI1 Laser power monitoring input 1
21 MDI2 Laser power monitoring input 2
22 LDO2 Laser power monitoring output 2
23 LDO1 Laser power monitoring output 1
24 SVDD3 Servo 3.3V power supply

25 CSO/RFOP

DVD-RAM auxiliary light beam RF DC

signal input D

3 light beam auxiliary PD signal phase

inversion input

4 light beam auxiliary PD signal phase

input

Main servo signal output/RF phase

output

26 RFLVL/RFON

RF level output/RF phase inversion

output

27 SGND Servo grounding
28 V2REFO Reference voltage 2.8V
29 V20 Reference voltage 2.0V
30 VREFO Reference voltage 1.4V
31 FEO Focusing error signal output
32 TEO Tracking error signal output
33 TEZISLV Tracking zero crossover error input
34 OP_OUT Sensing signal amplification output
35 OP_INN Sensing signal phase inversion input
36 OP_INP Sensing signal noninverting input
37 DMO Main shaft control signal output
38 FMO Feed control signal output
39 TROPEN PWM Tray Open signal output

40 PWMOUT1/ADIN9

41 TRO Tracking control signal output
42 FOO Focusing control signal output
43 USB_VSS USB grounding
44 USBP USB data
45 USBM USB data
46 USB_VDD3 USB 3.3V power supply

47 FG/ADIN8

48 TDI/ADIN4

49 TMS/ADIN5

First-route pulse width demodulating

signal output/AD universal input

Motor sensing signal input/AD universal

input

Open position detecting signal input/AD

universal input

Close position detecting signal input/AD

universal input

50 TCK/ADIN6

51 TDO/ADIN7

52、97、122、
152、173、221

DVDD18 Digital 1.8V power supply

BA5954 enabling signal output/AD

universal output

Tray close signal output/AD universal

input

53-58 IOA2-7 Micro-controller address bit 2-7

59 HIGHA0 Micro-controller address bit 0

60、61 IOA18-19 Micro-controller address 18-19

62、85、94、116、
119、134、144、
148、161、163、

175、216、223

DVSS Digital grounding

63 APLLCAP

64 APLLVSS Analogue phase lock loop grounding
65 APLLVDD3 Analogue phase lock 3.3V power supply
66 IOWR FLASH read control signal

67-72 HIGHA3-7 Micro-controller address bit 3-7

73、80、108、
127、141、155、
167、182、204、

212

74、75 HIGHA1-2 Micro-controller address bit 1-2

76 IOA20 Micro-controller address bit 20
77 IOCS FLASH chip selection
78 IOA1 Micro-controller address bit 1

DVDD3 Digital 3.3V power supply

Analogue phase lock loop external

capacitor

79 IOOE FLASH output enabling
81-84 AD0-3 Micro-controller address/data bit 0-3
86-88 AD4-6 Micro-controller address/data bit 4-6

89 IOA21/ADIN0

90 ALE Micro-controller address enabling

91 AD7 Micro-controller address/data bit 7

92 A17 FLASH address bit 17

93 IOA0 Micro-controller address bit 0

95 UWR Micro-processor reading operation

96 URD Micro-processor reading operation

98 UP1_2-1_7 Micro-processor port

Micro-controller address bit 21/AD

universal input

104 UP3_0 Micro-processor port
105 UP3_1 Micro-processor port
106 UP3_4 Micro-processor port
107 UP3_5 Micro-processor port

109 ICE

110 PRST Reset input
111 IR Remote control signal input
112 INT0 Micro-processor interruption 0
113 DQM0 DRAM input output shielding signal
114 DQS0 DRAM input output shielding signal

115 RD7 DRAM data
117-118 RD5-6 DRAM data
120-121 RD3-4 DRAM data
123-125 RD0-2 DRAM data

126 RD15 DRAM data
128-133 RD9-14 DRAM data

Micro-processor correction mode

enabling

135 RD8 DRAM data

136 DQS1 DRAM input output shielding signal

137 DQM1 DRAM input output shielding signal

138 RWE DRAM writing enabling

139 CAS DRAM column address selection

140 RAS DRAM row address selection

142 RCS DRAM chip selection

143 BA0 DRAM section address 0

145 BA1 DRAM section address 1

146 RA10 DRAM address

147 RA0 DRAM address

149 RA1-3 DRAM address

153 RVREF/ADIN3 Reference voltage/AD universa l input

154 RCLKB DRAM clock

156 RCLK DRAM clock

157 CKE DRAM clock enabling

158 RA11 DRAM address
159-160 RA8-9 DRAM address

162 RA7 DRAM address

164 RA4-6 DRAM address

168 RD13/ASDATA5 DRAM data/audio series data

169 RD27-30 DRAM data

174 RD26 DRAM data
176-177 RD24-25 DRAM data
178-179 DQM2-3 DRAM I/O shielding signal
180-181 RD22-23 DRAM data
183-188 RD16-21 DRAM data

189 DACVDDC D/A conversion 3.3V power supply

190 VREF Reference voltage

191 FS 　

192 YUV0/CIN 　

193 DACVSSC D/A conversion grounding

194 YUV1/Y

195 DACVDDB D/A conversion 3.3V power supply

196 YUV2/C

197 DACVSSB D/A conversion grounding

198 YUV3/CVBS

199 DACVDDA D/A conversion 3.3V power supply

Video signal YUV1 output/Y signal

output

Video signal YUV2 output/C signal

output

Video signal YUV3 output/CVBS signal

output

200 YUV4/G

201 DACVSSA D/A conversion grounding

202 TUV5/B

Video signal YUV4 output/G signal

output

Video signal YUV5 output/B signal

output

203 YUV6/R

Video signal YUV6 output/R signal

output

205 VSYNC/ADIN1

206 YUV7/ASDATA5

207 HSYNC/ADIN2

208 SPMCLK 　

209 SPDATA 　

210 SPLRCK 　

211 SPBCK/ASDATA5

213 ALRCK Audio left and right sound channel clock

214 ABCK Audio bit clock

215 ACLK Audio DAC external clock
217-220 ASDATA0-3 Audio series data

Field synchronization signal output/AD

universal input

Video signal YUV7 output/audio series

data

Row synchronization output/AD

universal input

222 ASDATA4 Audio series data

224 MC_DATA Microphone digital audio input

225 SPDIF Digital audio signal output

226 RFGND18 RF signal grounding

227 RFVDD18 RF signal 1.8V power supply

228 XTALO Clock output

229 XTALI Clock input

230 JITFO RF small signal output

231 JITFN

232 PLLVSS Phase lock loop grounding

233 IDACEXLP 　

234 PLLVDD3 Phase lock loop 3.3V power supply

RF small signal phase inversion and

amplification input

235 LPFON Amplifier loop wave filtration output

236 LPFIP Amplifier loop wave filtration input

237 LPFIN Amplifier loop wave filtration input

238 LPFOP Amplifier loop wave filtration output

239 ADCVDD3 A/D conversion 3.3V power supply

240 S_VCM 　

241 ADCVSS A/D conversion grounding

242 S_VREFP 　

243 S_VREFN 　

244 RFVDD3 RF 3.3V power supply

245 RFRPDC DC RF error signal input

246 RFRPAC AC RF error signal input

247 HRFZC

248 CRTPLP 　

249 RFGND RF grounding

250 CEQP 　

251 CEQN 　

252 OSP 　

253 OSN 　

254 RFGC 　

255 IREF Reference current

256 AVDD3 Analogue 3.3V power supply

Ⅱ.BA5954

High-frequency RF signal zero

crossover checking

BA5954 is a piece of servo drive single-piece integrated circuit, with built-in
4-channel BTL drive circuit. It can receive directly the PWM control signal outputted
by digital servo IC, and with internal wave filter and drive amplifier, it pushes the
execution part in the servo mechanism to accomplish the focus ing, tracking, feed and
main shaft drives. BA5954 adopts the packaging of 28 pins.

Note: The 28 pins of BA5954 are for outputting effective control signal, which is
provided by the 50 pins of MT1389. When the signal is in high power level, BA5954
output is in validity, while the signal is in low power level, BA5954 will not be
activated, and its output ports are in the state of cutoff.

The functions of pins of BA5954 are as the following table:

Pin Name Function

1 VINFC Focusing control signal input
2 CF1 External feedback loop
3 CF2 External feedback loop
4 VINSL+ Forward control input, connected to the reference voltage
5 VINSL- Main shaft control signal input
6 VOSL External feedback resistance
7 VINFFC Focusing feedback signal input
8 VCC 5V power supply
9 PVCC1 5V power supply

10 PGND Grounding

11 VOSL- Main shaft drive inverse voltage output
12 VO2+ Main shaft forward voltage output
13 VOFC- Focusing drive inverse voltage output
14 VOSC+ Focusing drive forward voltage output
15 VOTK+ Tracking drive forward voltage output
16 VOTK- Tracking drive inverse voltage output
17 VOLD+ Feed drive forward voltage output
18 VOLD- Feed drive inverse voltage output
19 PGND Grounding
20 VINFTK Tracking feedback signal input
21 PVCC2 5V voltage
22 PREGND Grounding
23 VINLD Feed control signal input
24 CTK2 External feedback loop
25 CTK1 External feedback loop
26 VINTK Tracking control signal input
27 BIAS 1.4 reference voltage input
28 STBY Enabling control signal

III. 29LV160BE

29LV160BE is a type of 16Mbit FLASH memory manufactured via 0.23um
technology, with 16 byte width DQ0-DQ15, memory capacity of 16M bit, operation
voltage of 3.3V, and packaging method of 48 pins TSOP. The specific operation mode
is as the following table:

DQ8~DQ15

Operation

status

Read L L H H Ain Dout Dout High resistance

Write L H L H Ain Din Din High resistance

CE OE WE RESET A0~A19 DQ0~QD7

BYTE：high

level

BYTE: Low

level

Waiting H × × H ×

Output

forbidden

Reset × × × L ×

L H H H ×

high

resistance

High

resistance

High

resistance

high resistance high resistance

High resistance High resistance

High resistance High resistance

The functions of pins of 29LV160BE are as the following table:

Pin Name Function

15 RY/BY Ready/system is busy

1~9、16~25 、48 A0~A19 20-byte address bus

26 CE Chip enabling

27、46 VSS Grounding

28 OE Output enabling

29~36、38~44 DQ0~DQ14 15-byte data bus

37 VCC 5V power supply

45 DQ15/A-1

47 BYTE

11 WE Write enabling

12 RESET Reset, valid in low level

10、13、14 NC Neutral pin

Character extension mode as the data line; byte expansion

mode as the address line

Adopting 8-byte (in low level) or 16-byte output mode (in

high level)

IV. AE45164016

AE45164016 is a type of 64Mb (4Banks×1M×16bit) CMOS synchronization DRAM,
featured with large memory and high speed. Its operation power voltage is 3.0V~3.6V,
and it is packaged in 54-pin TSOP.

The functions of pins of AE45164016 are as the following table:

Pin Name Function

1、14、27 VDD +3.3V power supply

2、4、5、7、8、10、11、

13、42、44、45、47、48、

50、51、53

3、9、43、49 VDDQ +3.3V power supply

6、12、46、52 VSSQ Grounding

28、41、54 VSS Grounding

DQ[0~15]

16-byte data bus

15 LDQM Data I/O shielding signal
16 WE Write control signal
17 CAS Column address gate signal
18 RAS Row address gate signal
19 CS Chip selection signal
20 SD-BS0 Section address 0 gate signal
21 SD-BS1 Section address 1 gate signal

22~26、29~35 MA[0~11]

36、40 NC Neutral pin

37 CKE Clock enabling signal
38 CLK System clock input
39 UDQM Data I/O shielding signal

12-byte address bus

V. CS4360

CS4360 is a type of 6- channel audio D/A conversion circuit manufactured by
CIRRUS LOGIC Company. It can achieve digital sound volume regulation through
software, with 1dB regulation coefficient per level, 119dB attenuating scope and
+3.3V or +5V voltage power supply. It adopts 28-pin packaging, and has the
following characteristics:

① 24-byte sampling precision

Series audio power supply, +3.3V

Control port power supply, +3.3V

② Maximum 192KHZ sampling frequency
③ Dynamic range: 102dB
④ Signal/noise ratio: -90dB
⑤ Low power consumption (105mW under +3.3V operation voltage)

The functions of pins of CS4360 are as the following table:

Pin Name

1 VLS
2 SDIN1
3 SDIN2
4 SDIN3
5 SCLK
6 LRCK
7 MCLK
8 VD Digital power supply 22 VA Analogue power supply, +5V
9 GND

10 RST Reset input 24 AOUTA2

11 SCL Series control clock 25 MUTEC2

12 SDA

Series audio data 1 input 16 FILT+ In -phase feedback voltage output
Series audio data 2 input 17 VQ Static operation voltage external wave filter
Series audio data 3 input 18 MUTEC3

Function Pin

15 M2 Mode 2

Bit clock 19 AOUTB3

Left and right clock 20 AOUTA3

Main clock input 21 GND Grounding

Grounding 23 AOUTB2

Series control data 26 AOUTB1

Name Function

3 muting control output
Analogue audio 3 output
Analogue audio 3 output

Analogue audio 2 output
Analogue audio 2 output

Output 2 muting control

Analogue audio 1 output

13 CS/M1
14 VLC

ATTACHMENT:

I: CIRCUIT DIAGRAM

Chip selection/mode 1 27 AOUTA1

1) DECODER BOARD:

28 MUTEC1

Analogue audio 1 output

Output 1 muting control

ADC_DAT

ASPDIF

R268

224

225

SPDIF

RFGND18

MC_DATA

V18

URST#

R269
0R

AUDIO_RST

V18

AMUTE

R220
(DNS)

33R

222

221

220

223

DVSS

DVDD18

ASDATA4

100

101

VFDCK

VFDAT

VFDST

ASDAT1

ASDAT2

219

218

ASDATA3

ASDATA2

ASDATA1

UP1_5

UP1_6

UP1_7

102

103

SCL

SDA

５

ACLK

ASDAT0

217

215

216

DVSS

ACLK

ASDATA0

UP3_0

UP3_1

UP3_4

104

105

106

RXD

DAVNIN

LRSWMUTE

ALRCK

ABCK

213

214

ABCK

UP3_5

107

108

TXD

ALRCK

DVDD3

R219
R218
R217
R216
R215

SPBCK

89V33

SPDATA

SPLRCK

SPBCK

211

210

209

212

DVDD3

SPLRCK

SPDATA

SPBCK/ASDATA5

ICE

PRST

INT0

109

110IR111

112

IR

URST#IRDQM0

(DNS)
(DNS)
(DNS)
(DNS)
1K

208

207

206

205

SPMCLK

YUV7/ASDATA5

HSYNC/V_ADIN2

VSYNC/V_ADIN1

DVSS

DQM0

DQS0

RD7

116

113

114

115

DQS0

DQ7

204

DVDD3

RD6

117

DQ6

Y5

Y6

203

202

YUV6/R

RD5

118

119

DQ5

Y4

201

200

YUV5/B

DACVSSA

RD4

DVSS

120

121

DQ4

DQ3

Y3

199

198

YUV4/G

DACVDDA

DVDD18

RD3

122

123

DQ2

Y2

197

196

195

YUV2/C

DACVSSB

DACVDDB

YUV3/CVBS

RVREF/V_ADIN3

RD2

RD1

RD0

RD15

124

125

126

DQ1

DQ0

DQ15

Y1

HSYNC#
ADC_DAT
VSYNC#
SPMCK

194

193

YUV1/Y

DACVSSC

YUV0/CIN

VREF

DACVDDC

RD16
RD17
RD18
RD19
RD20
RD21

DVDD3

RD22

RD23
DQM2
DQM3

RD24

RD25

DVSS

RD26

DVDD18

RD27

RD28

RD29

RD30

RD31/ASDATA5

DVDD3

RA4
RA5
RA6

DVSS

RA7

DVSS

RA8
RA9

RA11

CKE

RCLK
DVDD3
RCLKB

DVDD18

RA3
RA2
RA1

DVSS

RA0

RA10

BA1

DVSS

BA0
RCS

DVDD3

RAS
CAS

RWE

DQM1

DQS1

RD8

DVSS

RD9
RD10
RD11
DR12
RD13

RD14

DVDD3

128

127

DQ14

６

C233 100pF

R227 750K

DACVDD3 DV33

192
191

FS

190
189
188
187
186
185
184
183
182
181
180
179
178
177
176
175
174
173
172
171
170
169
168
167
166
165
164
163
162
161
160
159
158
157
156
155
154
153
152
151
150
149
148
147
146
145
144
143
142
141
140
139
138
137
136
135
134
133
132
131
130
129

R213
1K

JITFNJITFO

L203
FB

C217
104

89V33 V18

R214

FS

C216

DTS_DO
DTS_CL
DTS_DI
DTS_CE

R261

TUNER_ON

CLK
RDS_DATA
VDATA3

POWER_ON_RST

RDSSYNC

SCMUTE

RDSID
RDSCE

AUIN_SL0
AUIN_SL1
J3
J4

R2164
10K

TC201
10uF/16V

510R

33R

SCMUTE

DMA4
DMA5
DMA6

DMA7

DMA8
DMA9
DMA11
DCKE
DCLK

DMA3
DMA2
DMA1

DMA0

DMA10

BA1

BA0
CS#

RAS#
CAS#
WE#
DQM1
LIMIT
DQ8

DQ9
DQ10
DQ11
DQ12
DQ13

DV33

Ａ

Ｂ

VOICE_DET

Ｃ

Ｄ

Ｅ

Ｆ

１

AVCC

V305
3904-S

V304

FBSMT
10uH

FBSMT
FBSMT
10uH
FBSMT
FBSMT

FBSMT
FBSMT

FBSMT
FBSMT
FBSMT
FBSMT
FBSMT
FBSMT
FBSMT
FBSMT
FBSMT
FBSMT
FBSMT

R309
10K

R311
10K

R310
100K

AVCC

C301
104

IOA

MDI1

E

V20
F

B
A
RFO
IOA
D
C

DV33

L238
FB

TC301
220uF/16V

R301
10R

R302
10R

MO_VCC

V301
2SB1132-S

R331

V302
2SB1132-S

R308
100K

Ａ

V303

24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1

C311
104

2SK3018-S

L301
L303

L304
L305
L306
L307
L308

L310
L311

R303 0R
L312

L314
L316
L317
L318
L319
L320
L321
L322
L323
L324

C312
104

XS301
24P0.5mm

Ｂ

2SK3018-S

Ｃ

30

VOTK+
VOTK­VOLD+
VOLD­PGND
VNFTK
PVCC2

PREGND
VINLD
CTK2
CTK1
VINTK
BIAS
STBY

U302
BA5954

R318

R322
680K

VCC

0R

V309
8550

V308
8050

V310

9014-S

29

GND

VOFC+

GND

VOFC-

VO2+

VOSL-

PGND

PVCC1

VINFFC

VOSL

VINSL-

VINSL+

VINFC

OPO
ADIN

OP­OP+

C310
2200pF

V1P4
SP-

R324

1.5K

R327
470R

VCC

CF2
CF1

14
13
12
11
10
9
8

7
6
5
4
3
2
1

XS303

XS06

TC309
47uF/16V

R339
10K

V1P4

FOSO

1
2
3
4
5
6

LOAD+

TRCLOSE

(TRCLOSE1)

TROPEN

R305

R304

1R

1R

SL+
SL-

MO_VCC

GND
FMSO

Ｄ

C305
104

R319
150K

Ｅ

Ｆ

C302
104

C303

R313
10K

1R

1R

R326

2.2R\1/4W

104TC304

TRSO
V1P4
STBY

C307 2200pF
R317

R320
150K

R323

1.5K

R325
470R

47uF/16V

R312 20K

C304 151

R321

R340

TC308
47uF/16V

LOAD-

(TRCLOSE1) (TROPEN1)

TROPEN

680K

C308
DNS

V306
8550

V307
8050

15
16
17
18
19
20
21

22
23
24
25
26
27
28

２ ３ ４

LDO-AV33

0R

LDO-AV33

L302
FB

R314 10K

R316 20K

SL+
SL­LIMIT

SP+

RFV33

TC211
220uF/16V

L309
FB

TC302
47uF/16V

LDO2

DQS0

LDO1

TC303
47uF/16V

VCC

R3061RR307

SP­SP+

DMSO

R315
20K

C306
151

XS302

XS05

DV33

1R

C231
104

C241
104

C242
104

C243
104

V1P4

ADIN

1
2
3
4
5

L235
FB

L236

47uF/16V

L205
FB

DV33

DV33

R328
10K

C343

FB

TC248

L206

4.7R

L207

FB

L208
FB

L250
FB

L234

V18 RFV18

FB

C230

104

TC206

47uF/16V

TC205

47uF/16V

TC204

47uF/16V

C208

C209

R207

R206

TRSO
FOSO

C210
153pF

V1P4

89V33

R329
10K

C309

C344

104

89V33

C2167
104

104

C244
104

DV33A

104

C345

V18

LOAD­LOAD+
TROUT

TRIN

104

C277

R205

104

C245
104

AVDD3

C251
104

C254
104

104

DMSO
FMSO

C211
104

L201
FB

C234

C346

PLLVDD3

TC203

104

47uF/16V

ADCVDD3

C235
104

RFVDD3

C236
104

RFSVDD3

C237
104

C

B

A

D

RFO

120p

R201 0R

C

R202 0R

B

R203 0R

A

R204 0R

D

E
F

LDO2
LDO1
RFSVDD3

R2165 0R

V2P8
V20
V1P4

R2166 0R

C207 104

R208
R209

R210
R211

C213
330pF

C212
330pF

C214
104

R212
0R

C246

C247

C252
104

C2174
104

104

C248
104

C253
104

C256
104

104

VREFN VREFP

C238

C240

104

1uF

C229

104
C201 1uF

C202 1uF

C203 1uF

C204 1uF
C205 DNSC206

R228 0R

10K
15K

18K
20K

C215
1500pF

RFOP
RFON

FEO
TEO
TEZISLV
OPO
OP­OP+

DMO
FMO
TROPEN

TRO
FOO

USBVDD
ADIN
TROUT
TRIN
STBY
TRCLOSE
V18
A2
A3
A4
A5
A6
A7
A8
A18
A19

C249
104

C257
104

MDI1
MDI2

TDI
TMS
TCK
TDO

C250
104

C258
104

L202
FB

C239
104

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64

TC247

47uF/16V

PWR#
PCE#
PRD#

R223
15K

AVDD3

AGND
DVDA
DVDB
DVDC
DVDD
DVDRFIP
DVDRFIN
MA
MB
MC
MD
SA
SB
SC
SD
CDFON
CDFOP
TNI
TPI
MDI1
MDI2
LDO2
LDO1
SVDD3
CSO/RFOP
RFLVL/RFON
SGND
V2REFO
V20
VREFO
FEO
TEO
TEZISLV
OP_OUT
OP_INN
OP_INP
DMO
FMO
TROPENPWM
PWMOUT1/V_ADIN9
TRO
FOO
USB_VSS
USBP
USBM
USB_VDD3
FG/V_ADIN8
TDI/V_ADIN4
TMS/V_ADIN5
TCK/V_ADIN6
TDO/V_ADIN7
DVDD18
IOA2
IOA3
IOA4
IOA5
IOA6
IOA7
HIGHA0
IOA18
IOA19
DVSS
APLLCAP
APLLVSS

C2175
104

R297 0R
R298 0R
R299 0R

104

C228

256

AVDD3

APLLVDD3

65

104

C227

255

254

IREF

IOWR

67

66

PWR#

A16

C226

253

RFGC

A16

68

A15

104

C225

252

251

OSP

OSN

HIGHA6

HIGHA7

70

69

A14

A13

DWR#
DCE#
DRD#

C224

0.033uF

250

249

CEQP

CEQN

HIGHA4

HIGHA5

72

71

A12

A11

R224

104

248

247

RFGND

CRTPLP

HIGHA3

DVDD3

74

73

A10A9A20

V1P4

1000pF

100K

245

246

HRFZC

RFRPAC

HIGHA1

HIGHA2

75

C222

20pFC223

RFVDD3

VREFN

VREFP

244

243

242

RFVDD3

RFRPDC

S_VREFN

IOA2076IOA1

IOCS

78

79

77

PCE#A1PRD#

C221 1uF

241

240

S_VCM

ADCVSS

S_VREFP

DVDD3

IOOE

81

80

AD0

C220

0.047uF

ADCVDD3

238

237

239

LPFIN

LPFOP

ADCVDD3

AD384AD283AD182AD0

AD1

AD2

AD3

TC202
10uF/16V

C219

0.047uF

PLLVDD3

236

234

235

LPFIP

LPFON

DVSS

86

85

AD4

AD5

C218 0.47uF

XIXOJITFO

JITFN

231

230

232

233

229

JITFN

JITFO

PLLVSS

PLLVDD3

IDACEXLP

U201

MT1389

AD7

AD587AD4

ALE

AD688IOA21/V_ADIN0

91

92

90

89

AD6

A21

AD7

A17

RFV18

226

228

227

XTALI

XTALO

RFVDD18

IOA0

A17

DVSS94UWR95URD96DVDD1897UP1_298UP1_399UP1_4

93

A0

１ ２ ３ ４ ５ ６

１ ２ ３ ４

U211

23

DMA0
DMA1
DMA2
DMA3
DMA4
DMA5

DMA11

DMA6
DMA7

R232

DMA8

33R

DMA9
DMA10
MA11
BA0
#BA1

33R

SDCLK

33R

SDCKE
DCS#

DRAS#
DCAS#
DWE#

DQM0
DQM1

VD
AD3
AD2

AD0

VD DV33

TC237
47uF/16V

5 6

C278

U205C

102

HCU04

TC208
220uF/16V

C282

C2168
104

L230
L231
L232

L233

47pF

1
2
3
4
5
6
7
8

TC210

47uF/16V

VOICE_DET

DV33

C271
104

220uF/16V

FB
L240

N107

VL
MCLK
SCLK
SDATA
VA
GND
LRCK
DIV

CS5333

CLK

J4
J3

C265
47pF

TC207

DV33

R_GND

BT

FBSMT
FBSMT
FBSMT

FBSMT

L227
FB

/RST

VQ

LIN

RIN

FIL+

TST

DIF

C2170
104

C266
47pF

C191
104

VCC

C186

20P

VFDAT
VFDST
VFDCK

IR

R230

4.7K

16
15
14
13
12
11
10
9

R195

4.7K

DV33

C272
104

AUDIO_RST

C189 104
C190 104

G101

32.768K

C2171
104

DV33A

C187
20P

+

C286
1UF

C2173
104

1
2
3
4

TC213
220uF/16V

+

1

X1

2

X2

3

INT

4

GND

M41T81

AT24C16X4050

DC/NC
RST_/NC
WP/RST_
VSS

C287
1UF

N106

U202

SCMUTE

VCC

SQW

SCL

SDA

VCC

RST/WP

SCL

SDA

R238 4.7K

VD

R241

4.7K(DNS)

VCC

8
7
6
5

R240 4.7K

R239 4.7K

R2140 4.7K

+12V

-12V

SCMUTE

4.7K
R100

AVCC

VD119 1N4148

8

R193 4.7K

7
6
5

SCL
SDA

C260

102(DNS)

A20

R257 0R

R258 0R A21

XS104

SCL
SDA

1
2
3
4
5

CON5

R259
10K

A19
A18

A7
A6

+12V

GND

-12V
OK_A
OK_T

VCC

A16
A15
A14
A13
A12
A11
A10
A9
AA20
AA21
DWR#
URST#
VP

A4
A3
A2

R260
10K

C261
102(DNS)

A19
A18
A8
A7
A6

A5

C259
104

U214 8M_FLASH(TSOP)

1

A15

2

A14

3

A13

4

A12

5

A11

6

A10

7

A9

8

A8

9

A19

10

NC

11

WE

12

RESET

13

NC

14

NC

15

RY/BY

16

A18

17

A17

18

A7

19

A6

20

A5

21

A4

22

A3

23

A2

24

A1

DV33

R252
10K

R253
0R(DNS)

A16

BYTE

Vss

DQ15/A-1

DQ7

DQ14

DQ6

DQ13

DQ5

DQ12

DQ4

Vcc

DQ11

DQ3

DQ10

DQ2
DQ9
DQ1
DQ8
DQ0

OE

Vss

CE
A0

VD201
1N4148

Q204
9016

TC217
100uF/16V

DCLK
DCKE

R264
R265 33R

CS#

R266 33R

RAS#

R267 33R

CAS#

R2162 33R

WE#

48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25

BA1

R263

R254
1K

R231
33R

A17
GND

A0
AD7

AD6

AD5
AD4

VD
AD3

AD2
AD1
AD0

DRD#
GND
DCE#
A1

C279
104

AVCC

L241
FB

SD33

C281
104

C285
10U/16V

R190

C2162
104

XS103

CON10

ADC_DAT

10

9
8
7
6
5
4
3
2
1

C283

0.1u

SACLK
SBCLK

SLRLK

47K

C2163
104

C263
47pF C264

VCC

C270
104

47UF/16V

DV33

L226

FB

Ａ

XS202

1
2
3
4

XS04(DNS)

DV33
RXD
TXD
GND

C267
104

Ｂ

Ｃ

Ｄ

L222 FB

VCC

L223 FB

DV33

L209 FB

AVCC

U208
BA033FP(DNS)

IN1GND2OUT

VCC DV33

3

C284

0.1u

Ｅ

R244
0R

C2158
27pF(DNS)

R291 220
R292 220
R293 220
R294 220
R295 220
R296 220

100K

R246

X201

C275
27pF

27MHz

R248
0R

C276
27pF

SDATA1
SDATA2

XO

ACLK SACLK
ABCK SBCLK
ALRCK SLRCK
ASDAT0 SDATA0
ASDAT1
ASDAT2

XI

L249

Ｆ

2.7uH(DNS)

24
25
26
29
30
31
32
33
34
22
35
20
21

38
37

19
18
17
16

15
39

36
40

54
41
28

R255
0R

L204
FB(DNS)

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10/AP
A11
BA0/A13
BA1/A12

CLK
CKE

/CS
/RAS
/CAS
/WE

DQML
DQMH

NC
NC

VSS
VSS
VSS

SDRAM 64M

VCC

DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8

DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15

VCC
VCC
VCC

VCCQ
VCCQ
VCCQ
VCCQ

VSSQ
VSSQ
VSSQ
VSSQ

５

R256
33R

URST#

2

DQ0

4

DQ1

5

DQ2

7

DQ3

8

DQ4

10

DQ5

11

DQ6

13

DQ7

42

DQ8

44

DQ9

45

DQ10

47

DQ11

48

DQ12

50

DQ13

51

DQ14

53

DQ15

SD33

1
14
27

SD33

3
9
43
49

6
12
46
52

V18

R251
0R

L228

FB

C2160
104

10 11

C273
104

POWER_ON_RST
ADC_DAT

U205E

HCU04

TC209
220uF/16V

VCC

VCC

R225
R226

R250
0R(DNS)

12 13

U205F
HCU04

VD202
1N4004(DNS)

LM1117MP-1.8

R242

3.3K

R243

1.2K

R235

U209

GND1OUT

4.7K

R249

4.7K

IEC958

DV33 C274

VD203
1N4004(DNS)

2

Y1
Y2

Y3

Y4
Y5

Y6
HSYNC#
VSYNC#
VDATA3

147

IN

3

104

0
0

R233
75R

６

AUDIO_RST
SDATA0
SDATA1
SDATA2
GND
SACLK
GND
SBCLK
SLRCK
AUIN_SL0
AUIN_SL1
SCL
SDA

LRSWMUTE
DTS_DO
DTS_CL
DTS_DI
DTS_CE
TUNER_ON
DAVNIN
GND

RDSID

DV33

VGND

R2159
0R

SPDIF

AUDIO_RST

SDATA0
SDATA1
SDATA2

GND

SACLK

GND
SBCLK
SLRCK

AUIN_SL0
AUIN_SL1

SCL
SDA

LRSWMUTE

DTS_DO

DTS_CL

DTS_DI

DTS_CE

TURN_ON

DVDNIN

GND

RDSID

Y1

Y2
Y3
Y4

Y5
Y6

HSYNC#
VSYNC#
VDATD3

VGND

SPDIF

ASPDIFIEC958

Ａ

Ｂ

Ｃ

Ｄ

Ｅ

Ｆ

１ ４

５

６

654321

+5V

33K

C119

102

C120

102

TO POWER BOARD

SPDIF

L110

1.8uH

L111

1.8uH

L114

1.8uH

R116

C128

2
3

R117

6
5

R109
R110 4.7K

+5.1V

XP104

1
2

GND

3
4

MUTE

CON4

82P

+12v

8 4

-12V

33K

C129

82P

TC150 16V/10U

4.7K

TC149

L116

4.7

R

L

R167

C134 104

R177
0

C164
47P

R178
0

C165
47P

R181
0

C171
47P

N101A

IC4558

N101B

IC4558

PH5V

VCC

VCC

VCC

1

7

16V/10U

R147
47K

R148
47K

68

1N4148
VD102

VD103
1N4148

1N4148
VD104

VD105
1N4148

1N4148
VD110

VD111
1N4148

R118

470

R122

470

TC151

16V/100U

10U/16V

VCC

TC110

R168
220

L104

L105

L108

N102

12

R137
100K

R138
100K

122

C118

C121

102

AUX_R

TUNER_R

AUX_L

TUNER_L

R119

R123

R124

R125

1K

4.7K
1K

4.7K

R141

47K

R142

100K

R143

47K

R2

AUX_R
TUNER_R

L2

AUX_L
TUNER_L

R144

100K

MUTE1

SLB

SLA

X0

14

X1
X2
X3

Y0
Y1
Y2
Y3
INH

B
A

X

Y

VDD

VSS
VEE

15
11

1
5
2
4
6

9

10

CD4052

R134

V107

13

3

+5.1V

16
8
7

-5.1V

8550

C113

C114

R120

100

R126

100

103

103

V103

S8050

C122
102

C123
102

R139
100K

10K

R135

R111

4.7K

TC153 16V/100U

N104

PT2308

1

Out1
IN1-

IN1+

VDD

Vout2

2
3

Vss4IN2+

IN2-

PH5V

8
7
6
5

TC152

16V/100U

TC109

100U/16V

R149

47K

R150
47K

PH_R

R112

4.7K

PH_L

PH_SW

10K

AUX_R

AUX_L

TO PANEL BOARD

XS102

PH_R

1
2

GND

3

PH_L

4

PH_SW

CON4

C124

C125

102

C135

104

R169
100K

L

C177
20P

1
2
3

3
2
1

R?

GND
VCC

INPUT

TORX178A

R

XC100A

L

AV4

R152

47K

L101
L

L102
L

LINE_R

LINE_L

R128

R127

R151

47K

470

470

VCC

Y3 CVBS

Y3

R17375C166

L112

1.8uH

47P

C168
47P

R179
0

VD106
1N4148

VD107
1N4148

102

L100
L

L103
L

L106
L

FR

FL

C126

102

V104

S8050

C127

102

6
5
4

3
2
1

C178

20P

VCC

L

C176
20P

6

XC101B

R

VD108
1N4148

VD109
1N4148

L107

L
C167
47P

L113

1.8uH

Y2 SV_Y

Y2

R174
75

C169
47P

R180
0

C179

20P

5
4

L

L

C180

20P

AV4

Y1 SV_C

Y1

R176
75

C172
47P

L115

1.8uH
C173
47P

R182
0

VCC

VD112
1N4148

VD113
1N4148

L109
L

C181

20P

220U/10V

R133

10K

AUDIO RST

47U/16V

C157

473

R166

470K

R160

C161

220

C138

104

TC156

220U/16V

C139

TC100

1K

G100

AVCC
VCC
DGND

-12V
GND
+12V
DV33

BT

R162

SDATA0
SBCLK
SLRLK

SACLK

C185
103

C143

C144

VCC

2
3
4

5

6
7
8
1

C183
104

TC184

100U/16V

1
2
3
4

562

5

562

6

7
8
9

10

1
2
3

4
5
6
7
8
9

10

XP102
CON7

1
2
3
4
5
6
7
8

C111

103

SDATA
SCLK/DEM1
LRCK

MCLK

DIF1
DIF0
DEM0
RST

VD117

9.1V

N103PT2315

REF
VDD
AGND
TREBL

TREBR
RIN
LOUD_R
NC
LOUD_L
NC

N105

MRO

MPTH
TCON
OSCO
OSC1
VSSD
VDDD

DAVN
SDA
SCL

SAA6588

VDATA3

HSYNC#

R186
220

14

VA

REF_GND

AGND

13

C112
103

DGND

BOUT_R

BIN_R

BOUT_L

BIN_L

LRSWMUT

R187

2.2K

AOUTL

MUTEC

AOUTR

CS4340

+12V

CLK

DATA

LOUT

ROUT

LIN

MUTE1

SCONT

VDDA

PSWN

VCC

FILT+

VQ

PH_SW

LVIN

CIN

Vref

MPX

VSSA

AFIN
MAD

R170

4.7K

N100

15

16
9

10
11

R185

RDSSYNC

C132

104

12

TC102

C131

104

10U/16V

TC130

47uF/16V

20

SCL

19

SDA

18

TC107

10U/16V

17
16
15

C145 683
C146

14

C147

13
12

C148

683
683
683

R156

5.6K

R157

5.6K

11

VD101

VD100 1N4148

VD116

20
19
18

TC174

17
16

C175

15

R198

1N4148 V106

4.7K

1N4148

C158

223 RDSCE

C159

150P

2.2U/16V

330P

14
13
12

11

R163

C136

104

RDSID

220

A+12V

R153

1K

V108
8050

R188

2.2K

R155
33R

V109
8050

R154

330

TC101

10U/16V

TC103
10U/16V

TC108

RDS

VCC

+12V

10K

R161

TC104

10U/16V

10U/16V

R114

4.7K

TC14047U/16V

R100

6.8K

MUTE1

R101

6.8K

R158 1K
R159

VCC

R115

4.7K

C115

103

Y5

Y6

R102

4.7K

C116

122

4.7K
V111

9014

R106

4.7K

C117

122

L

1K

R145

47K

MUTE

R146

47K

R194

R

4.7K

8050

SPDIF

Y4 G/Y

Y4

R17175C162

47P

Y5 B/U

R172

C163

75

47P

Y6 R/V

R175

C170

75

47P

F

AUDIO_RST

SDATA0
SDATA1
SDATA2

GND

SACLK

GND
SBCLK
SLRCK

AUIN_SL0

E

AUIN_SL1

SCL
SDA

SCMUTE

LRSWMUTE

DTS_DO

DTS_CL

DTS_DI

DTS_CE

TURN_ON

DVDNIN

GND

RDSID

D

XS105

10

AUDIO RST
SDATA0
SDATA1
SDATA2
DGND
SACLK
DGND
SBCLK
SLRLK
AUIN SL0
AUIN SL1

SL

R129

SD

R130 10

DTS DO
DTS CL
DTS DI
DTS CE
TUNER ON
DAVNIN
DGND

RDSID

GND
DTS CE

9

DTS DI

8

DTS CL

7

DTS DO

6

RDS

5

T+12V

4

TROUT

3

AGND

2

TLOUT

1

R131

10K

R183 0

R184

75K

R121

470

10

SCMUT

LRSWMUT

R132

10K

VCC

LINE_R

LINE_L

R191

4.7K

SCL
SDA

R105

4.7K

TC105

10U/16V

TC106

10U/16V

+5V

CON8

V102

TC133

8550+12V

C

104

TC154

220U/16V

TUNER ON

R136

10K

R113

4.7K

V105

C9014

82P

T+12V

C160

4.332MHz

R1970

B

R1990

TC141

47U/16V

-5.1V

+5.1V

A

VD114

5.1V

TC142

47U/16V

R165 220

R164

VD115

5.1V

47P

DAVNIN

SDA

SCL

C137

104

220

TC155

220U/16V

SLA

LINE_R

LINE_L

R140
100K

R

L

AV4

R

L

AV4

C9014

SLB

XC100B

XC101A

VCC

R103

4.7K

VCC

R107

4.7K

VSYNC#

V100

V101

C9014

CVBS

1
2
3
4
5
6
7

R104

4.7K

R108

4.7K

A+12V

X103

DASW-02

FR

FL
B/U

G/Y
R/V

AUIN SL0

AUIN SL1

XS101

1
2
3
4
5
6
7
8
9
10

CON10

VCC

R189
75R

V110
8050

C188
104

F

E

D

C

B

A

1 2 3 4 5 6

2)POWER BOARD

654321

C100

4700U/25V

C101

4700U/25V

C117
6800U/16V

PVCC+VD102

C102
473

C111
CAP

R100
0

R101
68/1W

C112
330U/25V

C113
330U/25V

N101 1085

2

OUT

FL103 T4AL 250V

R105
560K

C107
473

3

IN

GND

1

XS103

2
1

CON2

~14V/2A

F

FL100

T1AL 250V

~0

VD100

1N5404

1N5404

VD103

1N5404

XS105

~14V/2A

1

~0

2

~14V/2A

3

~8.4V/2A

4

E

~01

5

~14V/2A

~8.4V/2A

FL101

T1AL 250V

FL102

T2AL 250V

CON5

C116

224

VD101

1N5404

VD104 RL254

RL254

VD105

VD114 RL254

RL254

VD115

VD116 RL254

VD106

RL254

VD117 RL254

D

~01

VD107 RL254

-27V

XS103

4
3
2
1

DGND

F1
F2

~VS

CON4

C

VD110

5.1V

R103
1/0.25W

R102

4.7K/0.25W

VD111

1N4004

150/0.5W

R104
C120
100U/35V

C121
47U/35V

473

-27V

R110
100/0.5W

VD112
24V/1WC110

C136 47p

R108

20K

C126

C129

C130

16V/4.7u

16V/4.7u

10U/16V

R112

820

R113
820

10U/16V

C127

R

R106

XS104

B

GND

MUTE

L103 100u

4

R

3

L102 100u

2

L

1

CON3

1K

L

R107
1K

R119
68K

R120
68K

C138

221

C139

221

N103

7

IN+(2)

8

IN-(2)

9

GND

10

IN-(1)

11

IN+(1)

TDA7265

R109 20K

-Vs

MUTE

OUT(2)

+Vs

OUT(1)

-Vs

6
5
4

100U/25V

3

C131

C132

100U/25V

C133
103

C134
103

2
1

C137 47p

A

DVcc

XS105
CON2

R-OUT

PVCC+

PVCC-

L-OUT

C103
473

C104
473

2

N100 7812

1

Vin

2

Vin

N1027912

L100

L

C108
473

C122

472

1

F1
F2

-27V
DGND

DVCC

GND

2
1

GND

1

C118

220U/16V

XS101

CON5

C128
1U/50V

L101

L

1
2
3
4
5

PVCC+

R114
200K

Vout

Vout

Vin

AVCC

BA033

R111
47K

R115
20K

3

3

2

C123
104

V100

9014

N104

GND

Vout

220U/16V

VD113

3.3V

R116
27K

C114

100U/16V

C115
100U/16V

3

C119

+12V

C105
473

C106
473

-12VPVCC-

DV33

C109
473

XS104

1
2

CON2

C135
10U/16V

R-OUT

L-OUT

AVCC

DVcc

DGND

-12V
AGND

+12V

DV33

VD118

IN6263

R117

4.7/05W

C124
104

R118

4.7/05W

C125
104

XS101

8
7
6
5
4
3
2
1

CON7

BT1
BATTERY

XL100A

1

2

WP4

XL100B

3

4

WP4

F

E

D

C

B

A

1 2 3 4 5 6

3)FRONT PANEL BOARD

Ｆ

Ｅ

Ｄ

Ｃ

Ｂ

Ａ

１ ２ ３ ４ ５ ６

39

F+

FIL+

38

F+

1G
2G
3G
4G
5G
6G
7G
8G
9G

10G

NC
NC
NC
NC
NC
P16
P15
P14
P13
P12
P11
P10

P9
P8
P7
P6
P5
P4
P3
P2
P1

F­F-

VFD1

HNVC10SM25

JK1

PHONE

K1

K2

K3

K4

KEY1

KEY2

KEY3

KEY4

GRID1

35

GRID2

34

GRID3

33

GRID4

32

GRID5

31

GRID6

30

GRID7

29

GRID8

28

GRID9

27
26

GRID10

25
24
23
22
21

SEG1

20

SEG2

19

SEG3

18

SEG4

17

SEG5

16

SEG6

15

SEG7

14

SEG8

13

SEG9

12

SEG10

11

SEG11

10

SEG12

9

SEG13

8

SEG14

7

SEG15

6

SEG16

5

2

FIL-

1

C15
104

SEG1

D2

1N4148D31N4148

K5

K6

1

2

3

4

5

AGND

C14
104

47uF/50V

SEG2

PHONE_SW

27

SEG13
SEG14
SEG15

AGND

SEG3

AGND

C17
104

D4
1N4148

SEG16

GRID10
GRID9

C2

GRID8
GRID7

104

GRID6

K11

K12

K13

XS3

1
2
3
4

4P2.0

CPU+5V

C1
104

C16

K7

K8

K9

K10

PHONE_L

PHONE_R

R35
10K

CPU+5V

SEG4

28
29
30
31
32
33
34
35
36
37
38
39

D5
1N4148

CPU+5V

LED3

SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
VDD
VEE
SEG19
SEG20
G8
G7
G6

1 2

SEG6

SEG7

SEG8

SEG9

SEG10

SEG11

SEG12

23

26

SEG1024SEG1125SEG12

40

GRID5

GRID4

GRID3

GRID2

GRID1

R36

R37

330

330

LED10

LED9

LED

LED

red red blue blue

1 2

R24

3.3K

R10

SEG5

LED4

330R

SEG4

LED3

DVCC

SEG3

LED2

1 2

CPU+5V

SEG2

LED1

LED11
LED

12

SEG1

R9
330R

V1
8550

R16
330 7.5MM

LED1
LED

VDD14SEG115SEG216SEG317SEG418SEG519SEG620SEG721SEG822SEG9

OSV52VSS51LED150LED249LED348LED447LED546VDD45G144G243G342G441G5

CPU+5V

16311

KEY4
KEY3
KEY2
KEY1

STB

CLK

DO
SW4
SW3
SW2
SW1

R11

51K

XS2

U1

VOL1-

VOL1+

FB1

FIL-

FB2

FIL+-27V

100

R26

220

R32

220

R33

220

R34

CPU+5V

V2
8550

R29
330 7.5MM

12

LED5
LED

R1
R2 33K
R3 33K
R4

CPU+5V

C4
100uF/16V

VR1
RVP

R25
330 7.5MM

12

LED3
LED

33K

33K

R5
33KR633KR733KR833K

R13

10K
R14 10K
R15 10K

1

A

2

B

3

C

R27
330 7.5MM

LED4
LED

13
12
11
10
9
8
7

IC

6

DI

5
4
3
2
1

C3
104

LED12
LED

1 2

R19
330 7.5MM

12

12

LED2
LED

KEY4
KEY3
KEY2
KEY1

C6

C7

openC5 open

open

CPU+5V

R18

R17

10K

10K

C8

C9

104

104

R23

LED4

3.3K

CPU+5V

5P2.0

1

C10
104

12

R20
10K

R31
330 7.5MM

LED7
LED

10P2.0

2
3
4
5

XS1

1
2
3
4
5
6
7
8
9
10

CPU+5V

12

CPU+5V

R28
330 7.5MM

LED8
LED

R21
10K

VR2
RVP

1

A

2

B

3

C

C11
104

U2
IR

IR

R22
10R

+

C12
47u

3

IR

2

VDD

1

GND

C13
104

-27V

FB

FB

IR

VSTB
VSCK
VSDA

J11
J12
J21
J22

VOL2-

VOL2+

R30
330 7.5MM

12

LED6
LED

１ ２ ３ ４ ５ ６

Ｆ

Ｅ

Ｄ

Ｃ

Ｂ

Ａ

II PA RT DATASHEET

1) POWER AMPLIFIER IC TDA7265

2) DIGITAL VOLUME CONTROL

3) HEADPHONE DRIVER

4)DAC –CS4340

5)RDS DECODER –SAA6588

6) VFD DRIVER