Service Manuals, User Guides, Schematic Diagrams or docs for : Akai DV DV-P6336KDM & 6834 & 6835 & 6837 DV-P6336KDM & 6834 & 6835 & 6837
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DVD PLAYER
Models:
DVP6336KDM
DVP6834KDSM
DVP6835KDM
DVP6837KDSM
SERVICE MANUAL
www.akai.ru
1. CONTENTS
Title Page
1. CONTENTS 1
2. BLOCK DIAGRAM (CABLE CONNECTIONS) 2
3. POWER SUPPLY 3
4. FUNCTIONAL DESCRITPIONS 4
4.1 DVD MPEG board 4
4.2 Front Panel 14
4.3 SMPS 15
4.4 DVD Driver 16
5. DESCRIPTION OF THE INTEGRATED 18
CIRCUITS
5.1 SWPS TRANSFORMER 18
5.2 FRONT PANEL DRIVER IC FRO VIR 19
(PTC6312)
5.3 SWPS CONTROLLER IC (KA5LO380R) 20
5.4 SWPS PROGAMMABLE SHUNT RE 22
GULATOR (FAIRCHILD TL 431)
5.5 LINE FILTER(2 x 6.8mH) 23
6. FAULT TRACING FLOW CHART 24
6.1 POWER SUPPLY 24
6.2 FRONT PANEL 25
6.3 MPEG BOARD 26
7. COMPONENT LIST 27
2. BLOCK DIAGRAM (CABLE CONNECTIONS)
1 2 3 4
D4
FR102
BR1
IN4007 F+
T1
D CE3 D
BR2 100u/16V
IN4007 R14
F-
C4
470PF
4.7 D9
C5
103/1kV
D5 6.8V
R2
120K
BR3 FR102 R15
IN4007 CE6 10k
220u/35V -24V
C3
CE4
470PF
47u/400V
BR4 D1 R13
IN4007 FR157 270
4 L1 3 -12V
CE2
HGND -12V
22u/35V
C23 D6
12V JP2
2 1 104
CE9 F+ 1
C1 D7 F-
0.1/275v D2 220UF/16V 2
FR102 FR157 -21V
3
C 4 C
+12V 5V
5
CE10 R34
1K 1/4W
470u/16V
IC1
HGND
T1A/AC250VAS
FUSE
1 8 CA1 D8 L6
2 7 SB360
20uH
3 6 D5V
4 5 JP5
102
D10
VIPER22 CE14 1N4007 -12V 1
SW1 470u/10V 2
+12V 3
CE13 4
1000u/10V C24
104 5
D5V 6
2
1
R6 7
220 3.3V 8
CN1
B B
50/60HZ D11
AC120-220V CE16
1N4007 220u/10V
IC2
R33
3.3V
470
R17
HGND 817 10K
C22
104/50V
IC3
TL431C
R22 R21
A 200K 10K A
1/1
1 2 3 4
4. FUNCTIONAL DESCRIPTIONS
4.1 DVD MPEG board
4M FLASH SERIAL
EPROM
CVBS
R
G
B
AUD2
64M SPCA8202 5.1- Cntr/LFE
AUD1
CHANNEL Rear L/R
SDRAM AUD0 AUDIO Rear L/R
CODEC
DVD-DSP CD-DSP SPDIF
I/F I/F
This board implements the back-end circuitry of a DVD player. It is composed of the following
subsystems:
* Microcontroller which does main control to all other sub-blocks of the system including user
interface, driver interface, audio/video output.
* Vaddis A/V Decoder IC decodes the bitstream coming from the DVD front-end drive, and
Optionally performs audio and video effects.
* Audio Codec
4
5 4 3 2 1
CN1
1 L5 FB
P-12V
2
3 L2 FB
P+12V
4 L8 FB
P+5V
A+5V 5 L1 FB
USB+5V
R2 2.2
Servo analog +5V 6
POWER/6PIN/2.54MM CN13 P+5V
2
BC8 V_V_SYNC
1 V_V_SYNC
2
GND V_H_SYNC
2 V_H_SYNC
0.1UF DVCC3
3 VGND
4
5
R/V5 O
_ Debug Port CN11
5 G/Y5 O
_
RFGND FB L28
6 B/U5 O
_ 1
CN14 CVB1_O
5 7 2
1 CVB1_O5
D 2 R/V_O 5
VGA/7PIN/2.0MM Card board power D
M+5V DVCC
3 G/Y_O 5
L10 FB
Servo MOTOR +5V 4 B/U_O 6
GND
5 AFR
PLL3.3V
6 VGND 6
BC12
PLL+3.3V 7 AFL 5
7
5
3
1
R82 2.2
8 SIG_MO5 E
D
0.1UF (PLL bypass) 9 DIS_MODE
RN1 CN8
BC29 1K(8 Pin, 4R)
1 GND
2 CARD_WP 2
MGND 0.1UF SCART/9PIN/2.0MM
3 MS_CLK 2
8
6
4
2
4 MS_BS 2
CN9
5 GND
RFGND 1 L26 FB
VFD_DATA 2 6 MS_D0 2
DVCC 2 L25 FB
VFD_STB 2 7 MS_D1 2
L14 FB
System +5V 3
4
L24 FB
VFD_CLK 2 8 MS_D2 2
9 GND
RF3.3V 5 L22 FB
IR_IN 2 10 GND
BC5 6 L23 FB
DVCC 11 MS_D3 2
0.1UF
+ EC5 L19 FB
RF +3.3V IR/VFD/6PIN/2.5MM 12 CARD_SENSE2 2
13 CARD_SENSE1 2
100UF16V BC26 BC27 C49 C55 C61 C63
14 CARD_RST 2
EC16 +
15 GND
100UF16V 0.1UF 0.1UF 33PF 33PF 33PF 33PF
16 GND
GND
CARD
RFGND
P+5V V+5V RFGND GND
L3 FB
Video buffer +5V close to 8202
CN10 F1 FUSE(1206,500mA)
1 2
1 USB+5V
EC4 BC13 BC9 BC11 EC2 BC2
260mA SD_VCC3 2
R119
R113
22
22 USB_DM 2
3 USB_DP 2
470UF16V 30PF
3 0.1UF 33PF 0
220UF16V .1UF L29 FB
SDRAM +3.3V 4 G ND
34ma~58ma(64Mx1) USB/4PIN/2.5MM
+ C69 C72 R114 R117
EC29 15K 15K
C GND VGND 100UF16V NC NC CN12 C
ROM_VCC3
1 MIC_R 2
L30 FB
Flash +3.3V GND GND GND 2 AD_GND
3 MIC_L 2
DVCC3 APLLVCC3 GND GND
U2 AMS1085 TO-252 MIC/3PIN/2.5MM
3
IN OUT
2 R111 33 Audio PLL +3.3V P+5V
EC15 BC25 BC40
3 mA
ADJ
BC15
R34 220UF16V 0.1UF 0.1UF
0.1UF 470
R59 R67 R56 R48 R46 R51
1
GND 4.7K 4.7K 220 220 4.7K 4.7K
R35 750 D10 GND
NC/1N4004
VVCC3
GND
L21 FB
Video DAC +3.3V Q12
8202 CN5
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