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5
NO.
REVISION DATE
REV
D
July 8, 2008
1.0
1
Hitachi version
EV1
C
Dec 18, 2008
1.1
2
EV2
B
Mar 10, 2009
1.2
3
EV3
DV1
Aug 15, 2009
1.3
4
DV2
Dec 12, 2009
1.4
5
PV
A
Jan 22, 2010
MP
1.5
6
5
4
harman/kardon
1. R3 -> ON, R7 on->off, R8 off->on
2. U11 -> OFF, U10 -> ON
3. R71 R72 R78 R79 -> ON
4. U21 Pin9 GND -> VCC and add R31=4.7K
5. Change R162 from 4.7K to 0R
6. Crrect spindle signals by swap them.
7. Add pull-up resistors onto I2C
8. Change to high speed logic device SN74LVC2G04DCKR for 50MHz crystal.
9. Delete YUV output, reassign the output AML_CVBS, AML_Y and AML_C.
10. Delete analog conversion chip TVP7000, add FLI2310 to convey the signal between
AML8218 and SiI9034, add reset signal of U6.158
11. Delete SDRAM2 of U6, and change the SDRAM1to 256M capability, reassign the HDMI
output of AML8218.
12. Delete the SDIO interface for WiFi, replace it with USB Hub and USB interface WiFi.
13. Delete U11, not useful.
14. Reassign the IEC958 output from U6.135 to
U6.141.
15. Delete HYNC. VSYNC, FID signals of 5029, and pin77 78 81 leave float.
16. Repalce SN74ALVCH16827-DGG with SN74ALVC244PW, and
move to AML8218 page，delete Video buffer page
1. Pin13,17,19 of USB2514 must be connected to GND
2. Change C68, C70 to 20p
3. R91 -> 1.5K, R140 -> 1.2K
4. R50 -> N/A
5. Move R7 value to R6, NOR FLASH
6. C237 -> R262 = 22R
7. Correct USB data signal and WIFI PORT1, PORT2
8. Change the power supply of U8 to 3.3V
9. In debug mode, R42 shoud be N/A
10. Change SDRAM to Samsung brand, modify the data signals between SDRAM and flash.
11. Add WIFI antenna connection
12. Change the data signal of SDRAM.
1. Add pull-up R71 to HP_DETECT
2. Replace the intergrated network connector with discrete connector.
3. Separate the analog power supply for FLI2310
4. Modify the burning signal of servo flash U18, add switch FST3257.
5. Modify the reset signal for samsung chip to AML8218.
6. Delete R181, C137
7. Delete crystal of FLI2310, nor flash of AML8218, EEPROM of S5L5029
8. Delete optional capacitor for clock between s5l5029 and AML8218, choose resistor to connect.
9. Add 12MHz crystal for AML8218
1. Modify 50MHz crytal to 50MHz active crytal.
2. Enlarge the capacitor to 1000uF for USB5V power supply, improve HDD noise plugging in.
3. Add PTC3.
1. RFSUM C97(102) -> 681
2. RFEQO C120(561) -> 681
3. FOD R175(2.2k) -> 47k, R165(30k) -> 0, C128(222) ->151
1. R229, R250, R254 -> 68R
4
3
REVISION HISTORY
17. SPI modification:
(1) Change I2C_DATAS from p1.0 to p5.3, delete the connection between p5.3
and SPI_FAIL_, SPI_FAIL connect 1K ohm and then to GND.
(2) Change SPI_CONTROL_CLK_ from p1.2 to p1.0, leave p1.2 vacant.
(3) Change P1.5 from sip_sop to spi_ack
(4) Delete the connection between buffer 1Y2, 1Y3 and RN43.2, RN43.3;
connect RN43.2, RN43.3 to GND.
NANDFLASH modification：
(1) R8 -> OFF, R7 -> ON
(2) Pull 4.7Kohm from R73 to U11.8, left of R85 connect to NAND_VCC3
18. Change net name of PIN32 33 on AML8218, from VSYNC,
HSYNC to SPI_FAIL, SPI_SOP, and pull down 1Kohm resistor to
GND, delete SPI_FAIL and SPI_SOP of 5029
19. AML8218 and S5L5029 share 27MHz clock.
20. Move MCU_OFF from pin212 to pin 108, pin212 change to I2S3_AMCLK, I2S3_AMCLK
and I2S_HDMI_MCLK connect to I2S_MCLK then to CN1.18, I2S_AML_CL and
I2S_HDMI_CL connect to I2S_ACL then to CN1.16, I2S_AML_WS and I2S_HDMI_WS
connect to I2S_AWS then to CN1.15, delete CN1.7 and CN1.6 net I2S_AML_WS and
I2S_AML_CL
21. Delete the crystal of AML8218 on USB port.
22. Delete CE13
23. Divide the 27M clock into 13.5M for FL2310 and add D-trigger.
13. Add R266 and R268 onto I2C of HDMI
14. Move I2C of VFD from GPIOC_2,3 to GPIOC_19,18; I2C of HDMI from GPIOC_19,18 to
GPIOC_2,3; FLI2310 share I2C with VFD
15. Add pull-up resistor onto DATA, CLK of I2C
16. SPI DMA modification：
RN40 pin 6 connect 15p to GND
RN40 pin 2 connect 3.3k resistor to 3.3V
RN40 pin 3 connect 3.3k resistor to 3.3V
17. R59 -> 0R
18. Add a resistor 1K between pin8 and vcc of MK900.
19. Add pull-up resistor to CS of MK900
20. ADD DC/DC convertor, reassign power for chips.
21. Modify the connector between mainboard and SMPS board
10. Modify the core power supply for AML8218 with DC/DC.
11. Enhance the core power supply of AML8218.
12. Modify the video output capacitors and resistors, add clamp diodes on them,
to improve the performance.
13. Change R252 to 82R
14. Change C119 and C127 to 20pF.
15. Add optional clock net for AML8218.
16. R5 -> OFF, R6 -> ON
17. rn1 -> N/A
4. Change R58 to 100R, to improve the wave of SPDIF input.
5. Change R179 R180 to 100R, to improve CD player noise.
6. Change C15 from Y5V to X7R, to improve the video performance stability.
4.TRD R176(2.2k) ->47k, R164(43k) -> 0, C129(222) ->151
5. SLD R163(20k) ->15k
6. DVD VR: R150 - 100 ohm – pin78 P4.3
3
2
HS 2X0/230 Service Manual
7. CD VR: R151 - 100 ohm – pin81 P6.2
Title
HS2X0 MAIN BOARD - 100309
Size
Document Number
A3
5982Y
Date:
Tuesday, March 09, 2010
2
1
D
C
B
A
Rev
1.0
Sheet
1
of
1
1
Page 54 of 73
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