DVP-701.pdf part of chino DVP-701 DVP-701.pdf, DVD player text manual preview

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DVP-701 DVD Service Manual
CONTENT
Ò»¡¢ System Frame Chart¡-¡ 3

¶þ¡¢ Overhaul Flow¡-¡ 4

Èý¡¢ Crux Signal Wave¡-¡ 11

ËÄ¡¢ Master Chip Data¡-¡ 21

Îå¡¢ System Principle Diagram¡-¡ ¡- 38

2
Ò»¡¢ System Frame Chart

Data Memorizer SDRAM
VIDEO

Video Time
Analog Y/C
RF Processing Digital Decoding Control
TFT_LCD Inverter
Loader
Signals Signals
MT1336E DSP AN2546 MN5814

Decoding
R-AUDIO
Servo DAC LF Magnifying
MT1379 L-AUDIO
Driving WM8714 NJM4558

BA5954

Power Magnifying
Programme Memorizer FLASH
TPA0212
Headphone
DC-IN 12V +7.5V
+5V -13V
DC/DC MAX1748 Driving Board
+17V
+3.3V
DC/DC
+2.5V
Electricize Circuit

Lithium Battery

Fig.1 DVP-701 DVD Complete Unit Build Up Frame Chart

3
¶þ¡¢ Overhaul Flow

Start

NO
Adapter works well£¿ Exchange Adapter

YES

Power On

+5V¡¢ +3.3V and +2.5V NO
Check DC/DC Circuit
output is normal?

YES

Reset or Power on again

NO
With LOGO Display£¿ NO
AV Output with Image£¿ A

YES

NO
LCD Panel Lighted£¿ B

YES
YES

-13V¡¢ 7.5V¡¢ and NO Check DC/DC

17V is normal? Circuit

YES

D C

4
A B

NO Check RESET
RESET is normal? Inverter's ON/OFF YES Exchange
Circuit
Control is normal? Inverter

YES

NO

Check ON/OFF Circuit
FLASH Call NO Check Cable between

normal? FLASH and 1379

YES

C

SDRAM NO Check Cable between

works well? SDRAM and 1379

Y/C Signal is NO
Check IN/OUT Circuit
normal?

YES

YES

Check 1379 Video
MT1379 having NO
output pin£¬ Confirm Exchange Driving Board
Video output?
1379 no damaged

YES

Check Video Filter
Being Video NO
and Magnifying
Output?
Circuit

YES

Check Output Jack

5
D

SLED can
NO STBY Pin Level of NO
automatically Check Cable Connected to Pin STBY
BA5954 is High ?
enter inside?

YES

NO
FMSO Level is above 1.4V? Check Cable Connected to Pin FMSO

YES

YES

SL+ and SL- NO
Check BA5954
Signal is Normal?

YES

Check Cable Connected to Loader

FOSO Signal
Focus ON while NO NO Check Cable From MT1379 To BA5954,
Received by
Searching Disc? and Affirm MT1379 to Working well
BA5954 is OK?

YES

F+ and F- Signal NO
Check Circuit around BA5954
is OK?

YES

E Check Cable From BA5954 To Laser Head

6
E

Laser ON OK NO LDO1 or LDO2 NO
Check Circuit around MT1336
while Reading? is normal?

YES

YES
Audion Collector's NO
Check Audion and Circuit around it
Voltage is right?

YES

Check Cable between Laser Head and Audion

NO
Disc Ready? Laser Off

YES

Being Signals into MT1336 NO Check Cable From
NO
FOCUS ON OK£¿
Pin A¡¢ B¡¢ C¡¢ D¡¢ E¡¢ F¡¢ RF? MT1336 To Laser Head

YES

FEO Signal Output From NO
YES Check Circuit around MT1336
MT1336 is normal?

YES

Check Cable From Pin18 of MT1336 To MT1379

NO NO Check MT1336 and
RFL Siganl Output From
DISC ID is normal£¿
Circuit around it
MT1336 is normal?

F Check Cable between MT1336 and MT1379

7
F

NO DMSO Output From NO
Spindle Running? Check MT1379 and Circuit around it
MT1379 is OK?

YES

YES
NO
SP+ and SP- Signal is OK? Check BA5954 and Circuit around it

YES

Check Circuit From Spindle To BA5954

TEO Signal Output
NO NO
Track ON OK? From MT1336 Check Circuit around MT1336

is Right?

YES

TRSO Signal Output NO Check Cable From Pin13

From MT1379 is Right? of MT1379 To BA5954
YES

YES

T+ and T- Signal NO
Check Circuit around BA5954
Output is OK?

YES

Check Circuit among T+ Pin¡¢ T- Pin and Laser Head

NO Laser Intensity is Normal? NO Confirm Laser Head and
Disc is Ready?
LDO1 and LDO2 Signal is OK? Audion no damaged

YES
YES
Check Cable From

The Examination of Disc Sort is NO MT1336 To Laser

Normal? RFL and FEO Signal is OK? Head, and Confirm
G
MT1336 no damaged

8
G

DEFECT NO
Check Cable From PIN23 of MT1336 to PIN198 of MT1379
Signal is OK?

YES

HRFRP ¡¢ LRFRP NO
Check Capacitor Connected
Signal is OK?

YES

HTRC Signal NO Check Capacitor and Resistance Connected,

is OK? Confirm MT1379 no damaged

YES

RFOP ¡¢ RFON NO Check Capacitor Connected, Confirm DC Voltage is 2V

Signal is OK? in Static State and No Phase Inverted Signal

9
Audio Malfunction

Check MT1379
Audio Output NO Data Received by NO
and Cable From
is OK? WM8714 is Right?
it To WM8714

YES
YES

Check Circuit
Output From NO
around WM8714
Speaker and WM8714 is OK?
NO
Headphone

Output is OK?
YES

Check Power Magnifying Check Audio Filtering ¡¢

YES Circuit and Output Jack Magnifying and Mute Circuit

SPDIF Output NO
Check Pin153 of MT1379
is OK?

YES

Communication

IR¡¢ VFD Display NO Between MT1379 NO
Check Cable From MT1379 To

and Button is OK? and IR¡¢ VFD¡¢ Button Block and Circuit around BA5954

Block is OK?

YES

Check Cable among Remote
END
Controller¡¢ Button Matrix and VFD

10
ZO·A Crux Signal Wave
1¡¢ Main Clock Frequency¡¢ Reset and Flash Call Signals:
£¨ a£© The Frequency of MT1379 is 27MHZ£¬ the Wave is:

Fig. 1-1£¨ A£©

£¨ b£© ¡¢ MT1379 & MT1336 High Level Reset Signal£º

Fig.1-2£¨ B£©

11
£¨ c£© ¡¢ The RS232 Signals Status while Downloading Programme:

Fig.1-3£¨ C£©

£¨ d £© ¡¢ FLASH Reading and Writing Enable Signals while

Downloading Programme£º

Fig.1-4£¨ D£©
12
2¡¢ SDRAM Working Clock£º

Fig.2-1£¨ E£©
£¨ Note£º The Frequency will vary according to Software Version£©

3¡¢ SLED Control Signals£º

Fig.3-1£¨ F£©
£¨ Note£º FMSO is Compensation Signal for Controlling SLED£©

13
4¡¢ LENS Control Signals£º

Fig.4-1£¨ G£©
£¨ Note£º TRSO is Trace Error Signal£¬ DMSO is Trace Compensation Signal£©

5¡¢ Laser Control Signals£º

Fig.5-1£¨ DVD£© £¨ H£©

14
Fig.5-2£¨ VCD/CD£© £¨ H£©
£¨ Note£º The Disc Sort default is DVD£¬ Laser Head Focus three times in term of DVD
originally£©

6¡¢ Signals of Examining Disc Sort£º

Fig.6-1£¨ DVD£© £¨ I£©
15
Fig.6-2£¨ VCD£© £¨ I£©

7¡¢ Focusing Signals£º

Fig.7-1£¨ J£©

£¨ Note£º FEO is Focus Error Signal£¬ FOSO is Focus Compensation Signal£©

16
8¡¢ SPINDLE Driving Signals£º

Fig.8-1£¨ K£©
£¨ NOTE£º DMSO is Trace Compensation Signal£©

9¡¢ Tracking Circuit Control Signals£º

Fig.9-1£¨ L£©
17
10¡¢ RF Signal£º

Fig.10-1£¨ M£©

11¡¢ SPDIF Signal£º

Fig.11-1£¨ N£©

18
12¡¢ Composite Video Signal Output from MT1379:

Fig.12-1£¨ O£©

13¡¢ Audio Signal Output from MT1379£º

Fig.13-1£¨ P£©

19
14¡¢ Audio Signal Output from WM8714£º

Fig.14-1£¨ Q£©

20
ËÄ¡¢ Master Chip Data
1¡¢ MT1379
MT1379 is exploited by Taiwan MTK company, introducing a high
integrated commix technology, with kernel circuits of servo and decoding
integrated together as with controller and TV encoder made on the same
one chip. The DVD specific super integration single board of
multi-function decoding chip is capable of high operation efficiency with
the abilities of processing all digital data, which adopting 216 pins LQFP
encapsulation structure, available of +3.3V¡¢ +2.5V power supply.
The pins functions as shown in table 1.
Table 1
Pin No. Symbol Function
1 IREF Reference Current Input
2 PLLVSS PLL Circuit Ground
3 LPIOP Low-pass Filter Positive Output
4 LPION Low-pass Filter Negative Output
5 LPFON Loop Filtering Magnifying Negative Output
6 LPFIP Loop Filtering Magnifying Positive Output
7 LPFIN Loop Filtering Magnifying Negative Input
8 LPFOP Loop Filtering Magnifying Positive Input
9 JITFO RF Jitter Meter Output
10 JIFN Negative Input of the Operation Amplifier for RF Jitter Meter
11 PLLVDD3 3.3V Power Pin for Digital PLL Circuit
12 FOO Focusing Servo Output
13 TRO Tracking Servo Output
14 TROPENPWM Disc Tray Open Control Output
15 PWMOUT1 Universal PWM Output1
16 PWMOUT2 Universal PWM Output2
17 DVDD2 2.5V Power Pin for Internal Digital Circuit
18 DMO Disc Motor Control Output
19 FMO Feed Motor Control Output
20 DVSS Digital Circuit Ground
21 FG Motor Hall Sensor Input
22 HIGHAO Main Interface Address Line 0
23 HIGHA1 Main Interface Address Line 1
24 HIGHA2 Main Interface Address Line 2
25 HIGHA3 Main Interface Address Line 3
26 HIGHA4 Main Interface Address Line 4
27 HIGHA5 Main Interface Address Line 5
28 DVSS Digital Circuit Ground
29 HIGHA6 Main Interface Address Line 6

21
Table 1£¨ continued 1£©
Pin No. Symbol Function
30 HIGHA7 Main Interface Address Line 7
31 AD7 Micro Controller Address/Data Line 7
32 AD6 Micro Controller Address/Data Line 6
33 AD5 Micro Controller Address/Data Line 5
34 AD4 Micro Controller Address/Data Line 4
35 DVDD3 3.3V Power Pin for Internal Digital Circuit
36 AD3 Micro Controller Address/Data Line 3
37 AD2 Micro Controller Address/Data Line 2
38 AD1 Micro Controller Address/Data Line 1
39 AD0 Micro Controller Address/Data Line 0
40 IOA0 Micro Controller Address 0/IO
41 IOA1 Micro Controller Address 1/IO
42 DVDD2 2.5V Power Pin for Internal Digital Circuit
43 IOA2 Micro Controller Address 2/IO
44 IOA3 Micro Controller Address 3/IO
45 IOA4 Micro Controller Address 4/IO
46 IOA5 Micro Controller Address 5/IO
47 IOA6 Micro Controller Address 6/IO
48 IOA7 Micro Controller Address 7/IO
49 A16 Flash Address Line 16
50 A17 Flash Address Line 17
51 IOA18 Flash Address Line 18/IO
52 IOA19 Flash Address Line 19 /IO
53 IOA20 Flash Address Line 20 /IO
54 APLLVSS Analog PLL Circuit Ground
55 APLLVDD3 3.3V Power Pin for Analog PLL Circuit
56 ALE Micro Controller Address Lock Enable
57 IOOE# Flash Output Enable£¨ active low£©
58 IOWR# Flash Writing Enable£¨ active low£©
59 IOCS# Flash Piece Selection Enable£¨ active low£©
60 DVSS Ground for Internal Digital Circuit
61 UP1-2 Micro Controller Port 1-2
62 UP1-3 Micro Controller Port 1-3
63 UP1-4 Micro Controller Port 1-4
64 UP1-5 Micro Controller Port 1-5
65 UP1-6 Micro Controller Port 1-6
66 DVDD3 3.3V Power Pin for Internal Digital Circuit
67 UP1-7 Micro Controller Port 1-7
68 UP3-0 Micro Controller Port 3-0
69 UP3-1 Micro Controller Port 3-1

22
Table 1£¨ continued 2£©
Pin No. Symbol Function
70 INTO# Micro Controller Interrupt 0£¨ active low£©
71 IR IR Control Signal Input
72 DVDD2 2.5V Power for Internal Digital Circuit
73 UP3-4 Micro Controller Port 3-4
74 UP3-5 Micro Controller Port 3-5
75 UWR# Micro Controller Write Strobe£¨ active low£©
76 URD# Micro Controller Read Strobe£¨ active low£©
77 DVSS Ground for Internal Digital Circuit
78 RD7 DRAM Data Bus Bit 7
79 RD6 DRAM Data Bus Bit 6
80 RD5 DRAM Data Bus Bit 5
81 RD4 DRAM Data Bus Bit 4
82 DVDD2 2.5V Power Pin for Internal Digital Circuit
83 RD3 DRAM Data Bus Bit 3
84 RD2 DRAM Data Bus Bit 2
85 RD1 DRAM Data Bus Bit 1
86 RD0 DRAM Data Bus Bit 0
87 RWE# DRAM Write Enable£¨ active low£©
88 CAS# DRAM Column Address Strobe£¨ active low£©
89 RAS# DRAM Row Address Strobe (active low)
90 RCS# DRAM Chip Select£¨ active low£©
91 BAO DRAM Bank Address 0
92 DVSS Ground Pin for Internal Digital Circuit
93 RD15 DRAM Data Bus Bit 15
94 DR14 DRAM Data Bus Bit 14
95 DR13 DRAM Data Bus Bit 13
96 DR12 DRAM Data Bus Bit 12
97 DVDD3 3.3V Power for Internal Digital Circuit
98 DR11 DRAM Data Bus Bit 11
99 DR10 DRAM Data Bus Bit 10
100 DR9 DRAM Data Bus Bit 9
101 DR8 DRAM Data Bus Bit 8
102 DVSS Digital Circuit Ground
103 CLK DRAM Clock
104 CLE DRAM Clock Enable
105 RA11 DRAM Address Bus Bit 11
106 RA9 DRAM Address Bus Bit 9
107 RA8 DRAM Address Bus Bit 8

23
Table 1£¨ continued 3£©
Pin No. Symbol Function
108 DMVVD3 3.3V Power for DRAM Clock Circuit
109 DMVSS DRAM Clock Circuit Ground
110 RA7 DRAM Address Bus Bit 7
111 DVDD3 3.3V Power for Digital Circuit
112 RA6 DRAM Address Bus Bit 6
113 RA5 DRAM Address Bus Bit 5
114 RA4 DRAM Address Bus Bit 4
115 DVSS Ground for Internal Digital Circuit
116 DQM1 Shield for DRAM Input/Output bit1
117 DQM Shield for DRAM Input/Output bit0
118 BA1 DRAM Bank Address 1
119 RA10 DRAM Address Bus Bit 10
120 DVDD2 2.5V Power for Internal Digital Circuit
121 RA0 DRAM Address Bus Bit 0
122 RA1 DRAM Address Bus Bit 1
123 RA2 DRAM Address Bus Bit 2
124 RA3 DRAM Address Bus Bit 3
125 DVSS Digital Circuit Ground
126 RD31 DRAM Data Bus Bit 31
127 RD30 DRAM Data Bus Bit 30
128 RD29 DRAM Data Bus Bit 29
129 RD28 DRAM Data Bus Bit 28
130 DVDD3 3.3V Power for Internal Digital Circuit
131 RD27 DRAM Data Bus Bit 27
132 RD26 DRAM Data Bus Bit 26
133 RD25 DRAM Data Bus Bit 25
134 RD24 DRAM Data Bus Bit 24
135 DVSS Ground for Internal Digital Circuit
136 DQM3 Shield for DRAM Input/Output bit3
137 DQM2 Shield for DRAM Input/Output bit2
138 RD23 DRAM Data Bus Bit 23/Video Data Port A7
139 RD22 DRAM Data Bus Bit 22/Video Data Port A6
140 DVDD2 2.5V Power for Internal Digital Circuit
141 RD21 DRAM Data Bus Bit 21/ Video Data Port A5
142 RD20 DRAM Data Bus Bit 20/ Video Data Port A4
143 RD19 DRAM Data Bus Bit 19/ Video Data Port A3
144 RD18 DRAM Data Bus Bit 18/ Video Data Port A2
145 DVSS Ground for Internal Digital Circuit
146 RD17 DRAM Data Bus Bit 17/ Video Data Port A1
147 RD16 DRAM Data Bus Bit 16/ Video Data Port A0
148 ABCK Audio Bit Clock
149 ALRCK Audio Channel Clock/Mode Setup[1:use external 373£¬ 0£º use internal 373 ]
150 DVDD3 3.3V Power for Internal Digital Circuit

24
Table 1£¨ continued 4£©
Pin No. Symbol Function
151 ACLK Audio DAC Master Clock
152 MC-DATA Microphone Serial Data Input
153 SPDIF SPDIF Output
154 ASDATA0 Audio Serial Data 0£¨ Left/Right Channel£© /Mode Setup [1£º
manufactory test£¬ 0£º normal operation]
155 ASDATA1 Audio Serial Data 1£¨ Surround£© /Mode Setup[1£º manufactory
test£¬ 0£º normal operation]
156 ASDATA2 Audio Serial Data 2£¨ Center/Left Channel£© /Mode Setup
[manufactory test£¬ 0£º normal operation]
157 ASDATA3 Audio Serial Data 3£¨ Surround£© /Mode Setup[1£º manufactory
test£¬ 0£º normal operation]
158 ASDATA4 Audio Serial Data 4 Center/Left Channel£© Input/Mode Setup
£¨
[1£º manufactory test£¬ 0£º normal operation]
159 DACVDDC 3.3V Power for Video DAC Circuit
160 VREF Reference Voltage
161 FS Full Scale adjustment
162 YUV0/CIN Video Data Output Bit 0 /Compensation Capacitor Input
163 DACVSSC Video DAC Circuit Ground
164 YUV1/C Video Data Output Bit 1 /Analog Chrominance Signal Output
165 DACVDDB 3.3V Power for Video DAC Circuit
166 YUV2/Y Video Data Output Bit 2 /Analog Luminance Signal Output
167 DACVSSB Video DAC Circuit Ground
168 YUV3/CVBS Video Data Output Bit 3 / Composite Video Output
169 DACVDDA 3.3V Power for Video DAC Circuit
170 YUV4/G Video Data Output Bit 4 / G or Y Output
171 DACVSSA Video DAC Circuit Ground
172 YUV5/B Video Data Output Bit 5 / B or CB Output
173 YUV6/R Video Data Output Bit 6 / R or CR Output
174 ICE Micro Controller ICE Mode Enable
175 BLANK# Video Blank Area
176 VSYN Vertical Sync
177 YUV7 Video Data Output Bit 7
178 DVSS Ground for Internal Digital Circuit
179 HSYN Horizontal Sync
180 SPMCLK Audio DAC Master Clock or SPDIF Input
181 SPDATA Audio Data or SPDIF Input
182 DVDD2 2.5V Power for Internal Digital Circuit
183 SPLRCK Audio Channel Clock or SPDIF Input
184 SPBACK Audio Bit Clock of SPDIF Input
185 DVDD3 3.3V Power for Internal Digital Circuit
186 XTALO Crystal Oscillator Output
187 XTALI Crystal Oscillator Input
188 PRST Reset Signal Input£¨ active high£©
189 DVSS Ground for Internal Digital Circuit

25
Table 1£¨ continued 5£©
Pin No. Symbol Function
190 VFO13 VFO Pulse Signal Output
191 IDGATE Header Detection Signal Output
192 DVDD3 3.3V Power for Internal Digital Circuit
193 UDGATE DVD-RAM Recording Data Gate Signal Output
194 WOBSI Wobble Signal Input
195 SDATA RF Serial Data Output
196 SDEN RF Serial Data Lock Enable
197 SLCK RF Serial Clock Output
198 BDO Flag of Bad Data Input Status
199 ADCVSS ADC Circuit Ground
200 ADIN Universal A/D Input
201 RFSUBI RF Subtraction Signal Input
202 TEZISLV Tracking Error zero crossing Low-pass Input
203 TEI Tracking Error Input
204 CSO Center Servo Input
205 FEI Focusing Error Input
206 RFLEVEL RFRP Low-pass Input or Sub Beam Add Input
207 RFRP-DC RF Ripple Detection Input
208 RFRP-AC RF Ripple Detection Input(through AC coupling)
209 HRFZC High Frequency RF Ripple zero crossing
210 PWMVREF Reference Voltage Input for PWM Circuit,A typical value of 4V
211 PWM2VREF Reference Voltage Input for PWM Circuit,A typical value of 2V
212 ADCVDD3 ADC Circuit 3.3V Power Supply
213 RFDTSLVP Positive RF Data Slicer Level Output
214 RFDTSLVN Negative RF Data Slicer Level Output
215 RFIN Negative Input of RF Differential Signal
216 RFIP Positive Input of RF Differential Signal

2¡¢ MT1336E
MT1336 is produced by Taiwan MTK company, an integration circuit of
high performance in CMOS simulate front-end processing, built in RF
magnifying, equilibrium and AGC circuit, including focus error checking,
3 beam light tracing and single beam light DPD tracing error checking,
double auto laser power control (APC) circuit, serial terminal and the
programming input/output terminal circuits. The circuit may be used in
32 times speed CD-ROM and 6 times speed DVD-ROM, supporting single layer
DVD-ROM, double layer DVD-ROM, CD-ROM AND CD-R/W and the discs alike.
The Chip Pins Functions as Shown in table 2.

26
Table 2
Pin No. Symbol Function
1 WOBSO Wobble Signal Output
2 WVDD Wobble Power
3 AGNDX Ground
4 AGNDX Ground
5 AVDDO Power for RF Output
6 RFOP RF Positive Output
7 RFON RF Negative Output
8 AGNDO Ground for RF Ouput
9 TM1 Equivalent Adjustment ALPC1
10 TM2 Equivalent Adjustment ALPC2
11 TM3 Equivalent Adjustment ALPC3
12 AGNDT Ground for Trimming PAD
13 TM4 Equivalent Adjustment ALPC4
14 AVDDT Power for Trimming PAD
15 V2REFO Reference Voltage 2V
16 VREF Reference Voltage 4V
17 V20 V20 Output
18 FEO Focusing Error Output
19 LVL RF Ripple Low-pass Output
20 CSO Central Servo Output
21 TEO Tracking Error Output
22 VDDP Peak Detection Power
23 DEFECT Flag of Bad Data Output
24 LRFRP RF Low Frequency Ripple Output
25 HRFRP RF High Frequency Ripple Output
26 CRTP RF Envelope Filtering Capacitor Connection
27 CRTPLP Error Level Filtering Capacitor Connection
28 TRLPA Low-pass Filtering Capacitor Connection
29 TRLP Low-pass Filtering Capacitor Connection
30 HTRC High Speed Tracking Counter Output
31 GNDP Peak Detection Ground
32 DPFN DPD Amplifier Negative Input
33 DPFO DPD Amplifier Output
34 AGNDX Ground
35 AGNDX Ground
36 AGNDX Ground
37 VDD Serial I/O Power
38 VFO13 VFO Pulse Input
39 GND Serial I/O Ground
40 UDGATE DVD-RAM Program Data Selection Signal
41 HDGATE Control Signal for DVD-RAM
42 IO0 Input/Output 0
43 IO1 Input/Output 1
44 IO2 Input/Output 2

27
Table 2£¨ continued 1£©
Pin No. Symbol Function
45 IO3 Input/Output 3
46 IO4 Input/Output 4
47 IO5 Input/Output 5 Used for Disc Tray In Detection Signal
48 IO6 Input/Output 6 Used for Disc Tray Out Detection Signal
49 IO7 Input/Output 7 Used for Laser Head Clamp Detection Signal
50 IO8 Input/Output 8 Used for Standby Control
51 IO9 Input/Output 9
52 IOA Input/Output A
53 IOB Input/Output B
54 VDDS Serial I/O Power
55 XCK16M £¨ No use£©
56 SCLK RF Serial Clock Input
57 GNDS Serial I/O Ground
58 SDEN RF Serial Data Enable
59 SDATA RF Serial Data
60 RST Reset Signal Input
61 DPDMUTE DPD Mute Control Input
62 AGNDP DPD Ground
63 AGNDX Ground
64 AVDDP DPD Power
65 AGNDF Ground for PLL Filter
66 VCON VCO Control Voltage Input
67 AVDDF PLL Filter Power
68 AGNDX Ground
69 AVDDM PLL Filter Power
70 COSPHI Amplifier Output for Hall Sensor Signal
71 HALLCOS Negative Input of Amplifier for Hall Sensor Signal
72 REFCOS Positive Input of Amplifier for Hall Sensor Signal
73 AGNDM Ground for PLL Filter
74 HALLSM £¨ No use£©
75 REFSIN £¨ No use£©
76 SINPHI £¨ No use£©
77 SW0 £¨ No use£©
78 SW2 £¨ No use£©
79 SW1 External Input for Servo Input Select
80 MOP £¨ No use£©
81 MON £¨ No use£©
82 AGNDX Ground
83 AGNDX Ground
84 CEON Negative Connection of Capacitor
85 CEOP Positive Connection of Capacitor
86 RFGCI £¨ No use£©
87 RFGCU £¨ No use£©
88 RFFGC RF Gain Capacitor Connection

28
Table 2£¨ continued 2£©
Pin No. Symbol Function
89 OSP Offset Elimination Positive Connection of Capacitor
90 OSN Offset Elimination Negative Connection of Capacitor
91 CDD CD RF Signal D Input
92 CDC CD RF Signal C Input
93 CDB CD RF Signal B Input
94 CDA CD RF Signal A Input
95 DVD RFIN DVD RF Negative Signal Input
96 DVD RFIP DVD RF Positive Signal Input
97 DVD D DVD RF Signal D Input
98 DVD C DVD RF Signal C Input
99 DVD B DVD RF Signal B Input
100 DVD A DVD RF Signal A Input
101 MA RF Main Signal A Input
102 MB RF Main Signal B Input
103 MC RF Main Signal C Input
104 MD RF Main Signal D Input
105 SA RF Secondary Signal A Input
106 SB RF Secondary Signal B Input
107 AGND RF Path Ground
108 IR External Current Bias Resistor
109 AVDD RF Path Power
110 SC Secondary RF Signal C Input
111 SD Secondary RF Signal D Input
112 CDFOP £¨ No use£©
113 COFON £¨ No use£©
114 SVDD Servo Power
115 TPI Tracking Signal F Input
116 TNI Tracking Signal E Input
117 SGND Servo Ground
118 WGND Wobble Ground
119 AGC1 AGC Loop1 Capacitor Connection
120 WAVDD Wobble Power
121 AGC2 AGC Loop2 Capacitor Connection
122 AGC3 AGC Loop3 Capacitor Connection
123 MDI2 Laser Power Detection Input 2
124 MDI1 Laser Power Detection Input 1
125 LDO1 Laser Diode Driving Signal Output 1
126 LDO2 Laser Diode Driving Signal Output 2
127 RFSUBO £¨ No use£©
128 WGND Wobble Ground

29
3¡¢ AN2546
AN2546 is of double polarity integration chip made by MATSUSHITA
company£¬ which adopting 64 pins encapsulation structure, is principally
used on a color LCD driving board for processing digital driving signal.
The pins functions as shown in table 3.
Table 3
Pin No. Symbol Function
1 PAL_N £¨ No use£©
2 R_YOUT R-Y output
3 B_YOUT B-Y output
4 R_YIN R-Y input
5 B_YIN B-Y input
6 VCC1_5V Signal processing system power supply (VCC1=5.0V)
7 VREF Internal reference power supply detection(2.0V)
8 R_ANALOG_IN R-channel analog signal input
9 G_ANALOG_IN G-channel analog signal input
10 B_ANALOG_IN B-channel analog signal input
11 R_DET R-channel clamp detection
12 G_DET G-channel clamp detection
13 B_DET B-channel clamp detection
14 R_OSD_IN R-channel OSD input
15 G_OSD_IN G-channel OSD input
16 B_OSD_IN B-channel OSD input
17 YS Character sampling pulse input
18 BALCK Side-black control signal input
19 B_OUT B-channel output
20 BOUT_DET B-channel output DC feedback detetion
21 G_OUT G-channel output
22 GOUT_DET G-channel output DC feedback detetion
23 GND Groud 1
24 DRV_DET Drive output reference voltage input
25 VCC_7.5V Drive system power supply(VCC2=7.5V)
26 R_OUT R-channel output
27 ROUT_DET R-channel output DC feedback detection
28 VCOM_OUT Common inverting signal output
29 VCC3_3.3V Pulse output system power supply
30 PWM £¨ No use£©
31 VD Vertical sync signal output
32 HD Horizontal sync signal output
33 SCP_OUT Sandcastle pulse output
34 C_SYNC Composite sync signal output
35 VD_IN Vertical sync signal input
36 EXT_POL 1H inverting signal input
37 GND_CLK Clock system groud(VSS)

30
Table 3£¨ continued£©
Pin No. Symbol Function
38 N_RGB Analog impose control signal input
39 L_DET Horizontal lock detection
40 VDD Clock system power supply detection
41 GND Ground 2
42 AFC_DET AFC loop filer connection
43 VCO_ADJ VCO frequency adjustment
44 VCC4_5V Sync system power supply(VCC1=5.0V)
45 NAVI_SYNC £¨ No use£©
46 SYNC_IN Sync signal input
47 SCL Serial data shift clock input
48 SDA Serial data input
49 PONR Power ON reset detection
50 COMDC Common DC adjustment voltage output
51 SECAM_DC £¨ No use£©
52 Y_IN Luminance signal input
53 CTRAP_OUT Chrominance trap filter connection 1
54 CTRAP_IN Chrominance trap filter connection 2
55 Y_DET Luminance signal input
56 ACC_DET ACC detection
57 C_IN Chrominance signal input
58 VCC5_5V Chrominance processing system power supply(VCC1=5.0V)
59 GND Ground 3
60 KILL_DET Chrominance killer detection
61 APC_DET APC detection
62 SC_OUT £¨ No use£©
63 NTSC Crystal oscillator connection 1(NTSC)
64 PAL Crystal oscillator connection 2(PAL/PAL-M)

4¡¢ MN5814
This CMOS LSI is used for the timing control of TFT_LCD panels. It is
compatible with composite/separate sync signals input and available to
a variety of LCD panels within a size range between 2.5 inches and 7 inches.
It contains a side-black control pin, allowing full-screen side-black
display.
The pins functions as shown in table 4.
Table 4
Pin No. Symbol Function
1 SYNCIN Composite sync input
2 HD-IN Separate horizontal sync input
3 SIDE2 Side-black control or just control
4 SIDE1 Side-black control or just control

31
Table 4£¨ continued£©
Pin No. Symbol Function
5 VDB-IN Separate vertical sync input
6 HD-OUT £¨ No use£©
7 VD-OUT £¨ No use£©
8 BLK Black signal output
9 VPOS3 Vertical display position selection
10 VPOS2 Vertical display position selection
11 VPOS1 Vertical display position selection
12 ZOOM/LT Zoom display control
13 U/D Selection of scanning direction to the top or bottom
14 POL Video and counter-electrode polarity inversion
15 INT/EXT Composite/separate sync input selection
16 CPV Gate driver IC clock
17 OEV3 Gate driver IC output stage enable pulse
18 OEV2 Gate driver IC output stage enable pulse
19 OEV1 Gate driver IC output stage enable pulse
20 STV1 Gate driver IC start pulse 1
21 OEH Source driver IC output stage enable pulse
22 ZOOM/GH £¨ No use£©
23 STH1 Source driver IC start pulse 1
24 STH2 Source driver IC start pulse 2
25 CPH3 Source driver IC clock 3
26 STV2 Gate driver IC start pulse 2
27 CPH2 Source driver IC clock 2
28 R/L Selection of scanning direction to the right or left
29 CPH1 Source driver IC clock 1
30 HDOT2 Mode2 for selecting the number of pixels displayed
31 JUST Just mode display selection
32 PCSSET Horizontal and vertical display position offset selection
33 PD Phase comparison output
34 OVD Zoom1/Zoom2 display selection
35 AVDD VDD power supply
36 VCOI VCO input(System clock input)
37 VCOO VCO output
38 AGND Ground
39 RESET System reset
40 HDOT1 Mode 1 for selecting the number of pixels displayed
41 UDOS/WT Under-side ON-screen display control
42 HPOS4 Horizontal display position selection
43 HPOS3 Horizontal display position selection
44 HPOS2 Horizontal display position selection
45 HPOS1 Horizontal display position selection
46 PN1 NTSC/PAL mode selection
47 DVDD VDD power supply
48 DGND Ground

32
5¡¢ BA5954
The BA5954 is a four-channel BTL driver IC for driving the motors and
actuators such as used in DVD¡¢ CD-ROM drivers. Two of the channels use
current feedback to minimize the current phase shift caused by the
influence of loading inductance. The IC has the features of a wide dynamic
range, built in level switch circuit, overheating circuit protection,
and interior standby mode .
The pins functions as shown in table 5.
Table 5
Pin No. Symbol Function
1 VINFC Input for focus driver
2 CF1 Connection of capacitor for the error amp filter
3 CF2 Connection of capacitor for the error amp filter
4 VINSL+ OPAMP input(+) for the sled driver
5 VINSL- OPAMP input(-) for the sled driver
6 VOSL OPAMP output for the sled driver
7 VNFFC Focus driver feedback
8 VCC Vcc for pre-driver block and power block of sled
9 PVCC1 Vcc for power block
10 PGND GND for power block
11 VOSL- Sled driver output(-)
12 VOSL+ Sled driver output(+)
13 VOFC- Focus driver output(-)
14 VOFC+ Focus driver output(+)
15 VOTK+ Tracking driver output(+)
16 VOTK- Tracking driver output(-)
17 VOLD+ Loading driver output(+)
18 VOLD- Loading driver output(-)
19 PGND Ground for power block
20 VNFTK Feedback for tracking driver
21 PVCC2 Vcc for power block of tracking and focus
22 PREGND Ground for pre-driver block
23 VINLD Input for loading driver
24 CTK2 Connection of capacitor for the error amp filter
25 CTK1 Connection of capacitor for the error amp filter
26 VINTK Input for tracking driver
27 BIAS Input for reference voltage
28 STBY Input for standby control

6¡¢ WM8714
The WM8714 is a high performance stereo DAC designed for audio

33
applications such as DVD, home theater systems, and digital TV. The chip

supports data input word lengths from 16 to 24-bits and sampling rates

up to 96KHZ. The WM8714 consists of a serial interface port, digital

interpolation filters, multi-bit sigma delta modulators and stereo DAC

in a 14-pin SOIC package.

The pins functions as shown in table 6.

Table 6
Pin No. Symbol Function
1 LRCIN Sample rate clock input
2 DIN Serial audio data input
3 BCKIN Bit clock input
4 NC £¨ No use£©
5 CAP Analog internal reference
6 VOUTR Right channel DAC output
7 GND Negative supply
8 VDD Positive supply
9 VOUTL Left channel DAC output
10 MUTE Soft mute control, internal pull down
11 NC £¨ No use£©
12 DEEMPH De-emphasis select, internal pull up
13 FORMAT Data input format select, internal pull up
14 MCLK System clock input

7¡¢ MAX1748
The MAX1748 is a highly efficient triple-output power supply for
TFT LCD applications. This device contains one high-power step-up
converter and two low-power charge pumps. The primary boost converter
uses an internal N-channel MOSFET to provide maximum efficiency and
to minimize the number of external components. The output voltage of
the main boost converter can be set from VIN to 13V with external
resistors.
The pins functions as shown in table 7.
Table 7
Pin No. Symbol Function
1 /RDY Active-low Open-drain Output
2 FB Main Boost Regulator Feedback Input

34
Table 7(continued)
Pin No. Symbol Function
3 INTG Main Boost Integrator Output
4 IN Supply Input,+27V to +5.5V input range
5 GND Analog Ground
6 REF Internal Reference Bypass Terminal
7 FBP Positive Charge-Pump Regulator Feedback Input
8 FBN Negative Charge-Pump Regulator Feedback Input
9 /SHDN Active-low Logic-Level Shutdown Input
10 DRVN Negative Charge-Pump Drive Output
11 SUPN Negative Charge-Pump Drive supply Voltage
12 DRVP Positive Charge-Pump Drive Output
13 SUPP Positive Charge-Pump Drive Supply Voltage
14 PGND Power Ground
15 LX Main Boost Regulator Power MOSFET N-Channel Drain
16 TGND Must be connected to ground

8¡¢ NJM4558
The NJM4558 integrated circuit is a dual high-gain operational
amplifier internally compensated and constructed on a single silicon chip
using an advanced epitaxial process.
The pins functions as shown in table 8.
Table 8
Pin No. Symbol Function
1 A-OUT A output
2 A-IN A- input
3 A+IN A+ input
4 GND Ground
5 B+IN B+ input
6 B-IN B- input
7 B-OUT B output
8 VCC Power supply

9¡¢ TPA0212
The TPA0212 is a stereo audio power amplifier in a 24-pin TSSOP
thermally enhanced package capable of delivering 2W of continuous RMS
power per channel into 3¦¸ loads. Included within this device is
integrated depop circuitry that virtually eliminates transients that
cause noise in the speakers. Amplifier gain is internally configured and

35
controlled by way of two terminals (Gain0 and Gain1).An internal input
MUX input allows two sets of stereo inputs to the amplifier.
The pins functions as shown in table 9.
Table 9
Pin No. Symbol Function
1 GND Ground
2 GAIN0 Bit 0 of gain control
3 GAIN1 Bit 1 of gain control
4 LOUT+ Left channel positive output in BTL and SE mode
5 LLINEIN Left channel line input, selected when SE/BTL is held low
6 LHPIN Left channel headphone input, selected when SE/BTL is held high
7 PVDD Power supply for output stage
8 RIN Common right input for fully differential input
9 LOUT- Left channel negative output in BTL mode and high-impedance in SE mode
10 LIN Common left input for fully differential input
11 BYPASS Tap to voltage divider for internal mid-supply bias generator
12 GND Ground
13 GND Ground
14 PC-BEEP The input for PC-Beep mode
15 SE/BTL Hold SE/BTL low for BTL mode and hold high for SE mode
16 ROUT- Right channel negative output in BTL mode and high-impedance in SE mode
17 HP/LINE The MUX control input
18 PVDD Power supply for output stage
19 VDD Analog power input supply
20 RHPIN Right channel headphone input, selected when SE/BTL is held high
21 ROUT+ Right channel positive output in BTL and SE mode
22 SHUTDOWN Places entire IC in shutdown mode when low, except PC-Beep remains active
23 RLINEIN Right channel line input, selected when SE/BTL is held low
24 GND Ground

10¡¢ MAX1775
The MAX1775 is a dual, step-down DC-DC converter that generates both
the main(+3.3V at over 2A)and core(+1.8V at up to 1.5A) supplying for
a complete power solution. The main output is adjustable from 1.25V to
5.5V. The core output is adjustable from 1V to 5V. The chip accepts
inputs from 2.7V to 28V, allowing use with many popular battery
configurations as well as AC-DC wall adapters.
The pins functions as shown in table 10.
Table 10
Pin No. Symbol Function
1 /SHDNM Shutdown for main regulator

36
Table 10(continued)
Pin No. Symbol Function
2 /SHDNC Shutdown for core regulator
3 PGND Power ground
4 NDRV N-channel drive output, drives the main output sync rectifier MOSFET
5 CVL Low-side regulator bypass. CVL is the output of an internal LDO regulator
6 IN Power supply input
7 PDRV P-channel drive output, drive the main output high-side MOSFET switch
8 CVH High-side drive bypass. CVL is the output of an internal LDO regulator
9 REF Reference voltage output
10 FBM Main output feedback
11 CS+ Main regulator high-side current-sense input
12 CS- Main regulator low-side current-sense input
13 FBC Core output feedback
14 GND Analog ground
15 INC Core supply input
16 LXC Core converter switching node

37
Îå¡¢ System Principle Diagram
1 INDEX & POWER, RESET R128
10K
R129
10K
2 RF 1 4 SW1
V33 V33

3 SERVO & MPEG - MT1336E / MT1379E NAME TYPE
4 MEMORY - SDRAM, FLASH/EEPROM R131 10K
CTR_POWERDOWN CTR_POWERDOWN [ 3 ]

5 AUDIO - WM8714 GND Power Ground 2 3