Philco 91PLD32HS9B User manual

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SERVICE MANUAL
Design and specifications are subject to change without prior notice. (Only for Reference)
Description: SERVICE MANUAL 7M31B
Version:V0.00
Prepared By: Hanweiwei Date: 2019-03-06
Checked By: Date:
Approved By: Date:

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CONTENT
Revision History..........................................................................................................................................3
1. Technical Specification........................................................................................................................ 4
2. System Block......................................................................................................................................... 6
3. List of key parts................................................................................................................................... 7
4. IC General Description......................................................................................................................10
5. Software Upgrade...............................................................................................................................39
6. Setting Hotle Mode Menu................................................................................................................ 40
7. Wiring Diagram................................................................................................................................... 41
8. PCB Silkscreen................................................................................................................................... 42
9. Schematic Circuit Diagram...............................................................................................................44
10. Key Power Check Point................................................................................................................. 57
11. Trouble Shooting.............................................................................................................................. 58

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Revision History
Version
Number
Revision
Data
Description of changes
V0.00
2018-03-06
Initial release

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1. Technical Specification
1
Brief Information
1.1
Model Name
7M31B
1.2
Solution
MSD6683
1.3
Display Definition (max)
1366*768
1.4
Display Interface
LVDS/MiniLVDS/EPI/EDP/V-BY-ONE
LVDS
1.5
AC Input Range
(三合一板必须填写)
110~240V
1.6
Standby Power Consumption
<0.5W(normal)
1.7
White Balance, Color Tempe
rature
Min
TYP
Max
Unit
x/y:0.280/0.290+/-0.015
6500
9877
12000
kdeg
1.8
Video Noise Limited Sensitiv
ity(@S/N=30dB)
51
dBu
VHF
54
dBu
UHF
1.9
Video Input Level(75 ohm)
1
Vp-p
2
Signal Receiving System
2.1
ATV Receiving System
ATV Receiving System
2.1.1
NTSC-M
No
2.1.2
PAL BG/I/DK/NTSC-M
No/No
2.1.3
PAL/SECAM BG/DK/I SECAM L/L"
No
2.1.4
PAL M/N NTSC-M
Yes
2.2
DTV Receiving System
DTV Receiving System
2.2.1
ATSC
No
2.2.2
DVB-T
No
2.2.3
DVB-T with CI
No
2.2.4
DVB-T2
No
2.2.5
DVB-T2 with CI+
No
2.2.6
ISDB-T
Yes
2.2.7
DTMB
No
2.2.8
DVB-C with CA
No
2.2.9
DVB-S
No
2.2.10
DVB-S2
No
2.3
Antenna input
Antenna input
2.3.1
Antenna Input port: 1 (1 for analogue)
No

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2.3.2
Antenna Input port: 1 (1 for both analogue and digital)
Yes
2.3.3
Antenna Input port: 2 (1 air + 1 Cable)
No
2.3.4
Type of Antenna Input Port
IEC169-24 Male
2.3.5
Receiving Frequency range (ATV)
54MHz～864MHz
2.3.6
Receiving Frequency range (DTV)
177MHz～803MHz
2.37
Receiving Frequency range (DVB-S/S2)
Nonsupport

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2. System Block

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3. List of key parts
（三合一板需要加入电源部分关键器件）
3.1 Part of Mainboard

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NAME
Part
reference
DESCRIPTION
SKYWORTH P/N
SOC
U1
SMD IC MSD6683BQHT-8-00II MSTAR(DTV PROCES
SOR)BGA
475C-M66830-5770
Crystal
Y201
SMD CRYSTAL 24.000MHZ +/-20PPM 20PF HC-49/
USM
4900-124052-RS00
X0T8
SMD CRYSTAL 24.000MHZ +/-10PPM CL=9PF (3.2
*2.5MM) TAPE TYPE
4900-124054-QS00
X0T9
SMD CRYSTAL 24.000MHZ +/-10PPM CL=9PF (3.2
*2.5MM) TAPE TYPE
4900-124054-QS00
DDR
UM4
SMD IC H5TQ2G63GFR-TEC HYNIX (128M*16BIT
DDR3-2133MHZ) FBGA
4711-H5T2G7-0960
FLASH
U0M4
SMD IC THGBMNG5D1LBAIL TOSHIBA (4GB E-MMC
MODULE) BGA
4701-T5D4G2-1530
E2PROM
U204
SMD IC FM24C32D-SO-T-G FUDANWEI(1.7V-5.5V
32K BIT EEPROM) SOP-8
472M-F24322-0080
OTHERS
U4P7
SMD IC MP1652GTF-Z MPS(2A 18V STEP DOWN CO
NVERTER#SOT563
476A-M16520-0060
U4P1
SMD IC MP1653GTF-Z MPS(3A 17V STEP DOWN CONVERTE
R#SOT563
476A-M16530-0060
U4P6
SMD IC MP1652GTF-Z MPS(2A 18V STEP DOWN CONVERTE
R#SOT563
476A-M16520-0060
U4P2
SMD IC MSH6103A MSTAR (POWER MANAGEMENT)ESOP
475C-M61030-0080
U0P3
SMD IC TPS562201DDCR TI(2A 4.5V-17V STEP DOWN CO
NVERTER)SOT-23
4722-T56220-0060
U3P6
SMD IC JY1117EA JY(1A ADJUSTABLE LDO) SOT223
47JN-J11170-0030
Tuner
U1T4
SMD IC MXL661 MAXLINEAR (SILICON TUNER) QF
N-24
471J-S21510-0240
U1T5
SMD IC SI2151-A10 SILICON LABS(DIGITAL AND
ANALOG TV TUNER) QFN-24
471J-S21510-0240
Amp
U6A01
SMD IC TPA3138D2PWPR TEXAS(10W CLASS-D AUD
IO AMPLIFIER)HTSSOP
4722-T31380-0280
IR Receiver
IR1
SMD IR RECEIVER MODULES 38KHZ SSR438S-TR H
-TYPE TAPE TYPE
5300-14438S-0S10
MOS
Q1P8/Q1P9/Q1
P11
SMD TRANSISTOR ME2345A(-30V/-4.2A P-CHANNE
L MOSFET) SOT-23
4600-M23450-0S00

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3.2 Part of Powerboard
Object / part
No.
Manufacturer/
trademark
Type / model
Technical d
ata
Standard
Mark(s) of confo
rmity1)
AC Lnlet
(CN1D1)
Yueqing Hongch
ang Radio Co.,
Ltd
DB-8-Series
2,5 A, 250 V
AC, standard
sheet C8, 7
0°C
IEC/EN 60320-
1
VDE
(40036226)
Fuse
(F0D1)
XC Electronics
(Shenzhen) Cor
p.
Ltd.
5H-Serie(s)
3.15A, 250V
AC
IEC/EN 60127-
3
VDE
(40037020)
Thermistor
(TH1D1)
Thinking Electron
ic Industrial Co.,
Ltd.
SCD-044
4Ω, 4A
EN 60539-1
EN 60730-1
TÜV
(R 50351964)
Photocoupler
(U0D2)
Lite-On Technolo
gy Corporation
LTV-817
Cr, Cl≥ 6,5m
m min., Dti ≥
0,4mm, 11
0°C
IEC/EN 60747-
5-5
VDE (40015248)
X-Capacitors
(CX0D6)
Wuxi Jinlida Elec
tronics
Co. Ltd.
MKP series
Max. 0.47µF,
275VAC, 10
5℃, X2
IEC 60384-14
EN 60384-14
VDE
(40041383)
X-Capacitors
(CX0D3)
Wuxi Jinlida Elec
tronics
Co. Ltd.
MKP series
Max. 0.22µF,
275VAC, 11
0℃, X2
IEC 60384-14
EN 60384-14
VDE
(40041383)
Y-Capacitors
(CY0D3，CY0
D4，CY0D7)
Yinan Don’s Ele
ctronic Compone
nt Co., Ltd.
CT81
470pF/Min.40
0VAC,125°C,
Y1
IEC 60384-14;
EN 60384-14
VDE
(135256)
Y-Capacitors
(CY0D8，CY0
D9)
Yinan Don’s Ele
ctronic Compone
nt Co., Ltd.
CT81
47pF/Min.250
VAC,125°C,
Y1
IEC 60384-14;
EN 60384-14
VDE
(135256)
Line Filter
(LF0D1)
HUIZHOU DE LI
ELECTRONIC
CO.,LTD
LB321-25529
N1: Φ0,13t*1.0
mm, 50Ts
N2: Φ0,13t*1.0
mm, 50Ts
IEC 60065
Tested with applia
nce
Transformer
(T0D1)
Haining Lianfeng
Dongjin Electroni
cs
Co., Ltd
BCK-30-L0250
8
400uH±10%
IEC 60065
Tested with applia
nce

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4. IC General Description
(选取部分对售后有帮助的 IC,截取关键内容，不要整份规格书粘贴，截图要清晰，放大后能看清
楚所有文字，三合一板需要加入电源 IC 和背光 IC 的介绍)
4.1 Main IC:MSD6683BQHT-8-00II