Service Manuals, User Guides, Schematic Diagrams or docs for : Akai ADP ADP-841 ADP-841
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PORTABLE DVD
Models:
ADP-841
ADP-841M
www.akai.ru
Downloaded from www.Manualslib.com manuals search engine
Service Manual
1. The System Block Diagram & the Block's Function Description
2. Schematic Circuit Diagram
3. Interconnection Diagram
4. Critical Commpoents List
5. IC Date Sheet & IC Description
6.Service Tools and Equipment
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1. The System Block Diagram & the Block's Function Description
DVD System Block
INVERTER
DISPLAY
8.4" TFT---LCD
DC to DC
MP1410
TFT---LCD driver
IR3Y29BM +PVI-1004C /D
1. Mech
DM-12 (pick up DD30)
2. Servo +MPEG
MT1389DE-B
2. Schematic Circuit Diagram
Downloaded from www.Manualslib.com manuals search engine
5 4 3 2 1
CON11
4
9VIN VIN
3
VIN D21
2
NC RB053L-30 L102 6.8uH
1
GND 9VIN +5V
1 2
DCH-3A-2
2
D L101 22uH + C102 D
1 D11 C101 100uF/10V
3 C103 B230A 0.1uF
2 C205 C206 C207 0.01uF
0.1uF 47uF/25V 1uF U11
J1 1 8
1
POWERJACK 9VIN BS Sync C104
2 7
HGND Vin EN
3 6
Vsw Comp R102 10KF
4 5
L606 PIO54-220 GND FB 0.01uF
MP1410ES
C105 C106 C107 180pF
0.1uF 10uF (
LCTR_5V R103 0R
R104 30K9F
+3.3V R107 4K7 LCTR_5V R105 R
R108 4K7 R106 10KF C108 47uF
3
CTR_5V R109 4K7 1 Q11
C 3904 ( C
2
L104 6.8uH
CON1 +3.3V
1 GND CON9
1
2
2 1 VIN L103 22uH
2 1 VIN D12 C109 C110
3 2
3 2 GND C111 0.1uF 220uF/6.3V
4 3
4 +5V 3 GND 0.01uF B230A
5 4
5 +5V 4 HGND U12
6 5
6 +3.3V TH8AW 5 HGND
7 6 1 8
1
7 +3.3V 6 9VIN 9VIN BS Sync C112
8 7 2 7
8 LCTR_5V 7 9VIN Vin EN
9 8 3 6
9 USBM 8 Vsw Comp R111 10KF
10 4 5
TH10AW 10 GND FB 0.01uF
CON2 C113 C114 ( MP1410ES
1 USBP 0.1uF 10uF C115 180pF
1 USBSE
2
2 USBERR
3
3 SD_DO R112 16K9F
B 4 B
4 SD_CLK
5
5 SD_CMD
6
6 ROUT+ R113 10KF C116 47uF
7
7 SE/BTL
8
8 A_GND
9
9 LOUT+
10
TH10AW 10
A_GND
A_GND USBM
USBM USBP
USBP USBSE
USBSE USBERR
USBERR SD_DO
SD_DO SD_CLK
SD_CLK SD_CMD
SD_CMD ROUT+
ROUT+ SE/BTL
SE/BTL LOUT+
LOUT+ VIN
VIN HGND
HGND 9VIN
9VIN +5V
+5V +3.3V
+3.3V CTR_5V
CTR_5V LCTR_5V
LCTR_5V GND
GND
5 4 3 2 1
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5 4 3 2 1
+3.3V R223 4.7K CTR_TFT5V
3
CTR_TFT R225 4.7K1 Q20
3904
R228
2
4.7K
D D
U29 LF52ABPT
CTR_TFT5V 2 4
9VIN CE NC L204
9VIN 1 5 +5V_TR +5V_TFT
GND
GND
VIN VO CR54/47uH
C262
R202 +3.3V +3.3V 0.1uF C259
4K7-->22K ) C240 C255
3
6
F22 F24 100uF/10V 0.1uF C244
R203 100uF/10V 0.1uF
47K C208 R204 CBWU600 CBWU600OPEN
0.1uF 4K7
+5V_TRAN
8
R205 U22A F21
4K7-->8K2 2 LM393D
R220 0R PWD_P CBWU600
1
3 +
U21 NCP1117open
3 2 +3.3V_TFT
4
GND
IN OUT
C246 C247 C245 C248
R207 10uopen 100u/6.3Vopen 10uopen 220u/6.3Vopen
1
R206 4K7
C 4K7-->1K C
8
U22B
6 LM393D
7 R222 0R PWD_B
5 +
R212 L208 Q23
4
R211 47K 20uH 1210IF200 3906
3K9-->6K8 INV_17V C231 1uF/50V 2 1 3 2 -10V_TFT
1
D24 C249
1N5819
D25 C233
1
1N5819 10uF/25V 0.1uF
R229 C239 + C241
1K 0.1uF 47uF/16V
2
D26
RLZ13B
U24 AMS1117-ADJ
2 FV18 F201 FB V18
+3.3V 3 VOUT
VIN
ADJ
4
C221 C222 VOUT 6R8uH/CR54
0.1uF R227 C224 D38 L209
47uF/6.3V 560RF C217 1N5819 20uH 1210IF200 Q60 3904
1
B +5V_TRAN L252 INV_17V B
0.1uF 100uF/6.3V 1 2 3 2 +7.5V_TFT
R219 C258 +
300RF C256 + U26 47uF/25V C261
1
C257 0.1uF +
100uF/6.3V 0.1uF 4 3 R257
SHDN FB 1K C260
C230 2 47uF/16V
47uF/6.3V GND D34
5 1 RLZ8.2B
VIN SW
R255 R256
100K 24K
FN5331
+17V_TFT
9VIN
9VIN +3.3V C263 0.1uF
+3.3V PWD_P R254 C264
PWD_P PWD_B 10K 10uF/25
PWD_B V18
V18 CTR_TFT
CTR_TFT +5V_TFT
+5V_TFT +7.5V_TFT
+7.5V_TFT +17V_TFT
+17V_TFT -10V_TFT
-10V_TFT GND
GND
A A
+3.3V_TFT
+3.3V_TFT
5 4 3 2 1
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5 4 3 2 1
R318 100K R319 10K AVCC +3.3V LDO_AV33
F304 FB +5V
+5V [1]
3
+5V AVCC
Q33 1R321 10K IOA F305 FB +3.3V
3904 +3.3V [1]
V18 V18 [2]
2
V1P4 +5V MO_VCC
VREFN JITFO R301 100K GND GND [ 1,2,3,4,5,6 ]
100K V1P4
2
2
1 1 R322 100K + F307 FB C386 +
C368 C369 47uF/10V C385 XI XO
Q34 Q35 47uF/6.3V 0.1uF 0.1uF R303 C317
C323 20pF
2SK3018 2SK3018 C314 C318 750K 1000pF Y 31 A[0..21]
CON12 A[0..21] [4]
0.1uF C C310 27MHz C311 AD[0..7]
3
3
AD[0..7] [ 4 ]
AVCC 33pF 33pF PRD# PRD#
GND 30 F303 FB VREFP JITFN PWR# [4]
VCC PUH5V F+ PWR# [4]
0.1uF
0.1uF
29
R304
PCE#
C329 1000pF
E2/e3+f3 28 SUBD F- PCE# [4]
E1/e2+f2 27 SUBA + C357 T-
B/b A T+
0.1uF
26 C358 100uF/10V MA[0..11] MA[0..11] [4]
C/c 25 D
C331
C332
0.1uF C328 R305 1K DQ[0..15]
D SW1 IOA GND DQ[0..15] [4] D
0.033uF
24 R329 R330 10uF/10V BA[0..1]
RF DVDRFIP
+ BA[0..1] [4]
0.047uF
0.047uF
23 R331 R332 1R 1R
SW2 22 SPLRCK
15K
C330
0.1uF
0.1uF
C336 1uF
C337 1uF
C340 0.47uF
1R 1R DQM[0..1] DQM[0..1] [4]
MUTE_DAC
D/d 21 C U33 0.1uF DCLK
DACVDD3
DCLK
DACVDD3
A/a 20 B 15 14 DCKE [4]
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