8口码流仪没有图像输出，请大师分析一下!!!!

YSCAI

一台不知品牌的码流仪，主芯片S905X,EMMC是三星KLM8G1WEPD-B031，还有两片H5TQ4G63CFR内存芯片，开机绿灯亮，按键和遥控关机可以转红灯，8个口均没有输出信号，主芯片旁边有4PIN没接任何东西的接口，凭经验应该是升级接口，接上809H,部分打印信息如下，师傅们帮忙分析一下是什么问题。谢谢2022-4-2, 17:12:5 COM6, BaudRate:115200 bps, RXD: VGA->15,TXD: VGA->12, Printed by RT809H:

GXL:BL1:9ac50e:a1974b;FEAT:ADFC318COC:3;RCY:0;EMMC:0;READ:0;0.0;CHK:0;
TE: 96118


BL2 Built : 13:48:56, Sep 23 2016.
gxl g7459bd4 - jianxin.pan@droid06


set vcck to 1120 mv
set vddee to 1000 mv
Board ID = 2
CPU clk: 1200MHz
DQS-corr enabled
DDR scramble enabled
DDR3 chl: Rank0+1 @ 912MHz - FAIL
DDR3 chl: Rank0 @ 912MHz - PASS
Rank0: 1024MB(auto)-2T-13
DataBus test pass!
AddrBus test pass!
-s
Load fip header from eMMC, src: 0x0000c200, des: 0x01400000, size: 0x00004000
New fip structure!
Load bl30 from eMMC, src: 0x00010200, des: 0x01100000, size: 0x0000d600
Load bl31 from eMMC, src: 0x00020200, des: 0x10100000, size: 0x00015400
Load bl33 from eMMC, src: 0x00038200, des: 0x01000000, size: 0x000a8600
NOTICE:  BL3-1: v1.0(debug):fb68908
NOTICE:  BL3-1: Built : 18:30:11, Nov  1 2016
aml log : bl31 normal boot !
[Image: gxl_v1.1.3154-065f772 2016-09-29 14:08:54 yan.wang@droid05]

OPS=0x82

e7 43 ba b5 b4 ea 83 55 27 de 10 77 [0.439152 Inits done]

secure task start!
high task start!
low task start!
INFO:    BL3-1: Initializing runtime services
WARNING: No OPTEE provided by BL2 boot loader
ERROR:   Error initializing runtime service opteed_fast
INFO:    BL3-1: Preparing for EL3 exit to normal world
INFO:    BL3-1: Next image address = 0x1000000
INFO:    BL3-1: Next image spsr = 0x3c9



U-Boot 2015.01-g5272651-dirty (Mar 21 2017 - 09:43:07)


DRAM:  1 GiB
Relocation Offset is: 36eca000
register usb cfg[0][1] = 0000000037f5f720
vpu: error: vpu: check dts: FDT_ERR_BADMAGIC, load default parameters
vpu: clk_level = 7
vpu: set clk: 666667000Hz, readback: 666660000Hz(0x300)
vpp: vpp_init
boot_device_flag : 1
Nand PHY Ver:1.01.001.0006 (c) 2013 Amlogic Inc.
init bus_cycle=6, bus_timing=7, system=5.0ns
reset failed
get_chip_type and ret:fffffffe
get_chip_type and ret:fffffffe
chip detect failed and ret:fffffffe
nandphy_init failed and ret=0xfffffff1
MMC:   aml_priv->desc_buf = 0x0000000033eca6b0
aml_priv->desc_buf = 0x0000000033ecc9d0
SDIO Port B: 0, SDIO Port C: 1
emmc/sd response timeout, cmd8, status=0x1ff2800
emmc/sd response timeout, cmd55, status=0x1ff2800
[mmc_startup] mmc refix success
[mmc_init] mmc init success
mmc read lba=0x14000, blocks=0x400
      Amlogic multi-dtb tool
      Multi dtb detected
      Multi dtb tool version: v2 .
      Support 2 dtbs.
        aml_dt soc: gxl platform: p212 variant: 1g
        dtb 0 soc: gxl   plat: p212   vari: 1g
        dtb 1 soc: gxl   plat: p212   vari: 2g
      Find match dtb: 0
start dts,buffer=0000000033ecf270,dt_addr=0000000033ecfa70
parts: 11
00:      logo        0000000002000000 1
01:  recovery        0000000002000000 1
02:       rsv        0000000000800000 1
03:       tee        0000000000800000 1
04:     crypt        0000000002000000 1
05:      misc        0000000002000000 1
06: instaboot        0000000020000000 1
07:      boot        0000000002000000 1
08:    system        0000000040000000 1
09:     cache        0000000020000000 2
10:      data        ffffffffffffffff 4
get_dtb_struct: Get emmc dtb OK!
overide_emmc_partition_table: overide cache
[mmc_get_partition_table] skip partition cache.
Partition table get from SPL is :
        name                        offset              size   

胡家进

没见过这样的机器