SERVICE MANUAL 32E8D CHASSIS
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Note Note------------------- Note------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------2 -------2 Technical Technical Specification-----------Specification-----------------------------------------------------------------------------------------------------------------------------------------------------------3 ---3 Chassis Block Diagram----------------Diagram------------------------------------------------------------------------------------------------------------------------------------------------8 ----------8 IC
Block Diagram----------------Diagram-------------------------------------------------------------------------------------------------------------------------------------------------------------9 ----9
Main PCB Top/Bottom Top/Bottom Layer-------------Layer----------------------------------------------------------------------------------------------------------------------------------------11 -----11 Circuit Diagram----------------Diagram-------------------------------------------------------------------------------------------------------------------------------------------------------------------15 ------15 Trouble Shooting----------------Shooting----------------------------------------------------------------------------------------------------------------------------------------------------------------25 -----25
Update Instruction---------------------------------------------------------33
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Note Note------------------- Note------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------2 -------2 Technical Technical Specification-----------Specification-----------------------------------------------------------------------------------------------------------------------------------------------------------3 ---3 Chassis Block Diagram----------------Diagram------------------------------------------------------------------------------------------------------------------------------------------------8 ----------8 IC
Block Diagram----------------Diagram-------------------------------------------------------------------------------------------------------------------------------------------------------------9 ----9
Main PCB Top/Bottom Top/Bottom Layer-------------Layer----------------------------------------------------------------------------------------------------------------------------------------11 -----11 Circuit Diagram----------------Diagram-------------------------------------------------------------------------------------------------------------------------------------------------------------------15 ------15 Trouble Shooting----------------Shooting----------------------------------------------------------------------------------------------------------------------------------------------------------------25 -----25
Update Instruction---------------------------------------------------------33
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Technical Specification 1.Applicat 1.Application ion Area: Area: This product product standard standard is used for LCD 32E8D 32E9A chassis. chassis. 2.Specification: All the standard are measured under following conditions without other specification. 2.1 Ambient Temperature:20+/-5 Temperature:20+/-5 2.2 Relative Humidity:65+/-10% 2.3 Power Supply Voltage: Standard Input Voltage(110V~240Vac 50/60Hz) 2.4 Adjust Adjust after 20 minutes minutes warm-up. warm-up. 3.Test and check method: 3.1 Capability:According to nation test standard 3.2 Safety:_______ standard EMC:_______ standard
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Technical Specification 1.General Specification No
Item
Specification
1.
Receiving and senting method
PAL,SECAM,NTSC
2.
Receive Channel
VHF (45.25MHz~423.25MHz)
Remark
UHF (431.25MHz~863.25MHz) 3.
Input Voltage
100-240V 50/60HZ
4.
Market
5.
Picture Size
32
6.
Tuning System
PLL System
7.
Operating Environment
1) Temp:0~40 deg 2) Humidity : 40 ~ 80%
8.
Storage Environment
3) Temp : -10 ~ 50 deg 4) Humidity : 30 ~ 80 %
2.Feature and Function No
Item
Specification
1.
CCD
NO
2.
REMOCON
3.
AV Input
1 REAR
4.
Component input
1 REAR
5.
AV Output
1 REAR
6.
PC Audio Input
1 REAR
7.
VGA Input
1 REAR
8.
EARPHONE Out
1 REAR
9.
USB SLOT In
1 REAR
10.
CI SLOT In
NO
11.
HDMI Input
2 REAR
12.
SCART Input
NO
13.
Film Mode
YES
14.
Noise Reduction
YES
15.
Progressive Scan
YES
16.
Motion Detection
NO
17.
Dolby Virtual
NO
18.
Swivel Speaker
NO
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Remark
Technical Specification 3.Safety and Regulation No
Item
Min
Typ
Max
Unit
1.
Force Stability – Incline Plane Tip Test
deg
2.
Force Stability – Level Tip Test
N
3.
Isolation Gap, AC-AC/ AC-DC
3
mm
4.
Isolation Gap,
6
mm
5.
Power Consumption, Max
6.
Power Consumption, Stand by
7.
Power Consumption, Current harmonics
8.
Dielectric Voltage
3
kV
9.
Isolation Resistance
4
M
10.
Leakage Current
mApp
11.
Power Cord Captivity
kg
12.
Flammability – Back Cover
13.
Sharp Edge
14.
UL Compliance
15.
FCC Compliance
16.
CDRH Radiation Compliance
17.
CSA Compliance
18.
CEB Compliance
19.
CE Compliance
20.
CB Compliance
Remark
W 0.2
W
4.Video No
Item
Min
Typ
1.
Linearity Distortion, Vertical
%
2.
Linearity Distortion, Horizontal
%
3.
Trapezoidal Distortion, Vertical
%
4.
Trapezoidal Distortion, Horizontal
%
5.
Over Scan, Vertical
%
6.
Over Scan, Horizontal
%
7.
Brightness, Maximum
8.
Video Noise Limited
Max
Unit
cd/m2 dBm
Sensitivity(@S/N=30db) VHF 9.
Video Noise Limited
dBm
Sensitivity(@S/N=30db) UHF 10.
Selectivity -1.5M
40
dB
11.
Selectivity +8M
50
dB
12.
Tuning Range
-0.7
MHz
13.
Resolution Horizontal
Lines
-5 -
Remark
Technical Specification 14.
ResolutionVertical
Lines
5.Chroma No
Item
Min
Typ
Max
Unit
1.
Purity (mislanding)
um
2.
Convergence
mm
3.
White Balance, X axis
4.
White Balance, Y axis
5.
White Balance
Remark
kdeg
9000kdeg(288,295)
Color Temperature
13000kdeg(268,273) 9300kdeg(281,311) 6500kdeg(313,329)
6.
Color Sensitivity
30
7.
Video Input
PAL 0
10
color sensitivity
SECAM 0
10
dB
6.Audio No
Item
Min
Typ
Max
1.
Audio Noise Limited Sensitivity, VHF-L
dBm
2.
Audio Noise Limited Sensitivity, VHF-L
dBm
3.
Audio Noise Limited Sensitivity, UHF
dBm
4.
Buzz (S/N Ratio)
dB
5.
Min. Volume Hum
mV
6.
Distortion
7.
Audio Output, L/R,at 7 % THD
W
8.
Audio Output, Center
W
9.
Audio Output, Woofer
W
10.
Stereo Separation
dB
11.
Speaker Impedance
8
ohm
12.
Speaker Power Rating
8
W
10
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Unit
%
Remark
Technical Specification 7.Power No
Item
Min
Typ
Max
1.
AC Power Shut Down Voltage
V
2.
DC Voltage, CRT Drive
V
3.
DC Voltage, FBT Drive
V
4.
DC Voltage, Audio
5.
DC Voltage, Vertical +
V
6.
DC Voltage, Vertical -
V
7.
DC Voltage, VCD(8)
V
8.
DC Voltage, VCD(5)
V
9.
DC Voltage, Tuner(3)
10.
DC Voltage, Tuning(32)
V
11.
DC Voltage, MICOM(5)
V
12.
DC Voltage, MICOM(5)
V
13.
CRT Heater Voltage
V
14.
High Voltage
kV
15.
High Voltage Regulation
kV
16.
Beam Current
mA
12
Unit
Remark
V
3.3
V
8.External Interface No
Item
Min
Typ
1.
Video Input Level
2.
Video Input Frequency Response
3.
Video Input S/N
4.
Audio Input Level
0.5
Vrms
5.
Audio Input Frequency Response
15
kHz
6.
Audio Input S/N
dB
7.
Audio Input Distortion
%
8.
Audio Input Dynamic Range
V
9.
Video Output Level(With Load )
10.
Video Output Frequency Response
11.
Video Output S/N
12.
Audio Output Level(With Load )
0.5
Vrms
13.
Audio Output Frequency Response
15
kHz
14.
Audio Output S/N
dB
15.
Audio Output Distortion
%
1 4.5
Max
Unit
Remark
Vpp
75ohm
MHz dB
1 4.5
Vpp MHz dB
-7 -
75ohm
Chassis Block Diagram
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IC Block Diagram U11 TSUMV59XUS-Z1 single chip solution for analog TV system Block Diagram
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IC Block Diagram U11 TSUMV59XUS-Z1 single chip solution for analog TV system Pin Diagram
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Main PCB TOP LAYER
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Main PCB BOTTOM LAYER
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5
4
3
2
1
J3
J5
1 2 3 4
1 2 3 4
1 2 3 4
12VU
1 2 3 4
PH-4A J4
1 2 3 4
1 2 3 4
PH-4A D
D
PH-4A
12VU
+12V_SW
Q3
3407
2
3
+5Vsb_IN
+5V_SW
TP4
Q7
1
3407
2
3
TP3
1
12VA R40 47K
C54
5VA
C53
1
100nF
C159
1
100nF
100nF
+3V3 R39
R41 4.7K
R100 10K
C
100K
C
3 PWR-ON/OFF
8 PWR-ON/OFF
Q4 MMBT3904
1
R47 H:ON L:Standby
10K
2
+5Vsb_IN
+1.2V Core Power
6.8uH/1.8A
A 0 . 2 : B 9 0 0 8 Y S
4 C 68
TP5 +5Vsb_IN +5Vsb_IN
1 00 nF
12VU
1
R65
100K
LX
6.8uH/3A
SY8120B--2A
D FB N G
EN
1 B
R56
3
R1
10U/NC
1
47K_1% C64
2
C70 CA5 100u/16V 100nF 2
R60
R2
CA4
C67 C62 10u/NC 10u/NC
100nF 2 470uF
6.2K_1%
TP8 +1.8V_LDO_SW
+5V_SW U8 BL1117-ADJ
VOUT Vout1 J D A
1
A
+2.5V_Normal
R64 200R_1%
C74 100n
C92 10u
RF2
C91 10u
U6
C60 100n
2 1 R59 7.5K_1%
SY8088A
C57 10u
Vout=VFB*(1+R1/R2) VFB=0.6V
B
U9
3
VIN
AVDD _DDR +1.8V_DDR2
VOUT Vout1 J D A
1 BL1117-3.3
C69 100n
+3V3_SW
+3V3
1 132MA
2 4
C72 10u
C86 100n
C93 100n
A
R66 100R_1%
Title
skyworth Size Document Number Custom Date: 5
C58 10u
C59 100n
R58 6.2K_1%
C65 100n/NC
+5Vsb_IN
300MA
2 4
U5 1 RF1 C71 10u
EN
V 6 . 0 = B F V
1
L16
TP6 +3.3V_Standby
+1.8V DDR Power
VIN
FB
Z H M 5 . 1
3
+3.3V STANDBY POWER
Vout= 0.6*(1+R1/R2)
3
LX
A 6 . 0 : A 8 0 0 8 Y S GND
5
C61
L17
6
IN SY8113----3A
4
A 2 . 1 : C 8 0 0 8 Y S
T U P N I V 5 . 5 ~ V 2
BS
5
A 5 . 1 : A 9 0 0 8 Y S A 0 . 1 : B 8 0 0 8 Y S
R57 100 K
1
U7
IN
TP7 +1V2_SW +1V2_SW
495MA
4
3
CV59SH-APW-12
Monday, January 14, 2013 2
Rev 1.1
02.Power Supply Sheet
2 1
of
11
