Toshiba 23HLV87 Support Question
Toshiba 23HLV87 Support Question
Find answers below for this question about Toshiba 23HLV87 - 23" LCD TV.Need a Toshiba 23HLV87 manual? We have 1 online manual for this item!
Question posted by biggied2488 on August 18th, 2014
When I Turn It On It Stays On For Like 5 Or 10 Min Then Cuts Off And The Screen
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Current Answers
Related Toshiba 23HLV87 Manual Pages
Circuit Diagrams - Page 1
FILE NO. 810-200728GR REVISED: 01
CIRCUIT DIAGRAMS
LCD TV/DVD COMBINATION
23HLV87
l
The above model is classified as a green product (*1), as indicated by the underlined serial number. For (*1) and (*2), see the next page. This Service Manual describes ...
Circuit Diagrams - Page 3
... 4
5 11 PIV33E
VIDEO 7 3 SWITCH 6
9 10
HDMI
24LC02 EPROM
MST3383MBK HDMI RICVER 24LC02 EPROM
M_SDA
36
60
37 M_SCC 59
51 28 23
24
30
73 TV VIDEO DECORD 74 /ADC/SCALE
MSD116L
29
68
69
43...2M FLASH
15
16
2
1 L OUT
13
AUDIO AMP
AUDIO AMP
6
4580
7 R OUT 14
4580
24
23
LINE L OUT LINE R OUT
2
6
AUDIO AMP 4580
1L 7R
MC9S08QG8 MCU
POWERON
TV_KEY DVD_KEY
REMOCON PCB ...
Circuit Diagrams - Page 11
...-3.3
1
CA5
2
3
3.3VSTB
+ C10
+ CA6
0.1u
22uF/10V
CA2 470uF/16V C38 0.1u
5V8IN PS_ON
+
R46 10
C7 0.1u
U6 ZA3030
2 VCC
OUT 3
7 6
EN COMP
8 SS
BST 1
R172 10k
C47 100pF
4 GND
FB...NC/1206
R9
0/1206
R10
NC/1206
R18 10K
ON_PANEL
5VA
R19
R44
NC
10K
R25
R24
Q4
1K
1K
3904
Q5
3904
VCC-Panel
U3
1 2 3 4
S G S G
D D D D
8 7 6 5
IRF7304
+ CA48
C12
100uF/16V 0.1u...
Circuit Diagrams - Page 13
...SDA
VDD_12
C329 C330 22p 22p
EXT_PLL_SEL
R392
VDD_12 D14 LED_Red
PEKERR 2
1 R394
R396
VDD_33
10 MSDA 10 MSCL
MSDA MSCL
100
TSVALID
1K 5VA-DE
100
TSSTART
5
TUNER_SDA GPIO_IN1 VDD12IH VSSIPH PKDATA7 ...RESET_N
AGND
VDD_12
VDD_12
VDD_33
VDD_12
DGND
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
4
R401
330
TSCLK
RP20 RP21
7 5 31 75 31 86428642
330X4
TS0
...
Circuit Diagrams - Page 15
... SGND AMUTE Standby 21 VCC1 19 VCC2 24
8 PWGND TDA7266SA
CA43 2.2uF/16V
16 GND1
2OUT+ 25
NC1 20
NC3 23
2OUT-
15 25 5 20 11 23 14
1OUT+ 18
NC2
1 18 10
1OUT- 2
CON12
1 2 3 4
CON_4PIN
2
POWER_ON/OFF
R323
5VA
R322 10k
4.7K 1
3
R333
Q16 3904
10K
+ CA54
10uF/16V
2
R173 390K
R174...
Circuit Diagrams - Page 16
...
1
1
A
B
C
D
E
F
G
H
H-15
H-16 A
B
C
D
E
F
G
H
TUNER SCHEMATIC DIAGRAM
8
(MAIN PCB)
8
U38
5V-IF
POWER FOR TUNER
7 6
22 23 24 25 26 27 28 29
GND GND GND GND GND GND GND GND
NC NC NC NC NC NC RF_AGC NC VT IF(+) IF... IF_TP SCL SDA GND TU 5V NC AFT SIF OUT CVBS OUT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
R363 1K
100n C352
R366 499
R365
R364
1K
1K
...
Circuit Diagrams - Page 17
...-OUT
AV1-R-in AV1-L-in AV2-R-in AV2-L-in AV1-CVBS AV2-CVBS AV1-SV1-Y AV1-SV1-C HPOUT-R HPOUT-L
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
CON16 CON30A
5VA VGA-TXD UPDATE2 VGA-RXD
AV1-SV1-Y
2
1
L6
0
C27...
Circuit Diagrams - Page 18
...C82 2.2u
VGA/DVI-Rin
Keep AGND trace with signal
Keep spacing for L/R
Keep trace width(12mil+)
VGA INPUT
CON7 VGA
15
5
10
14
4
9
13
3
8
12
2
7
11
1
6
VGA-B L13 VGA-G L14 VGA-R L15
3
2
0 0 0...
VGA-HS
3
2 VGA-VS
DD22 ST5V6 1 DDC-SDA
3
2 DDC-SCL
R163 NC
C75 1000p 10 C76 0.047u 10 C77 0.047u 10 C78 0.047u
SOG VGA-Bin+ VGA-Gin+ VGA-Rin+
R98 VGA-HS
R97 VGA-VS
0
0
R104...
Circuit Diagrams - Page 20
A 8 7
6
5
4
3
2 1
A
H-23
B
C
D
E
F
G
EXT-MODULE CON SCHEMATIC DIAGRAM
(MAIN PCB)
DISC_OUT
Q19 3904
DVD_RST STB-DVD
DVD-RMC
DVD_5V
DVD_DISC_IN DVD_MENU
DVD_RST STB_DVD
R336
10
DVD_DISC_IN
DVD_MENU DVD_5V
DVD-R DVD-L DVD-Pr/Y DVD-Pb/C DVD-Y
DVD-R DVD-L DVD-Pr/Y DVD-Pb/C DVD-Y
R340
10
DVD-SPDIF
1 2 3 4 5 6 7 8 9 10 11 12
J11 CON12
1 2 3 4 5 6 7 8 9 10 11 12 13
CON15 CON_13PIN
...
Circuit Diagrams - Page 21
8 7 6 5 4 3 2 1
H-25
A
B
C
D
E
F
G
VADDIS & SDRAM FLASH SCHEMATIC DIAGRAM
(DECODER PCB)
While using BA5954
OPU Sony310 DL3 IAT510 THMSM507S
R106 30K 27K 33K 47K
HD65/HD62
27K
SPU3153
36K
502W
24K
Arima681
36K
R103 30K 20K 33K 34K 27K 33K 27K 24K
While using AM5888S
EMC usage
R106 51K R103 51K R107 22K R102 51K
FOCUS_S TRACK_S
SPDL_S SLED_S
FOCUS_S TRACK_S
SPDL_S SLED_S
...
Circuit Diagrams - Page 23
...
R34 1
601
1K
2
3
3
D4
R37 1
601
1K
R148 DUPRD1 4K7
MUTE_CTL
AUDIO-R
AUDIO-L
2
AUDIO-MUTE
MARK1
FB17 5VOUT
601
5VOUT
11
10
9
8
1. 1. 1. 1.
9 8 7 6
4 5
4 5
H2
H3
3 2 1
3 2 1
9 8 7 6
4 5
4 5
H4...4 5
SDIN SCLK LRCK MCLK VQ
AOUTR VA
GND AOUTL
FILT+
10 9 8 7 6
CS4344/5/6
C404 +
NM [0.1uF]
C328
NM [1uF/16V]
C416
NM [0.1uF]
A-RMAIN A5V A-LMAIN
+ C329 NM [1uF...
Circuit Diagrams - Page 24
...CD
NC E
VCC VC(VREF)
GND/PD F B A
RF CD/DVD_SW
D C TT+ F+ F-
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
OPU5V VC1
RF
TACTTACT+ FACT+ FACT- R14 NC
R4 4.7K
...CTKERR1(TRB_2) 25
10K [NM]
C223 R230
3V3_FB 22nF 6.8K
5 VINSL-(REGO1) 6 VOSL(FWD)
CTKERR2(NC) 24 VINLD 23
7 VNFFC(REV)
PREGND 22
TRACK_S
1V8_DRV C219 100pF [NM]
R228
10K [NM]
SPDL_S
FB4
601
+ C32 10uF/16V
...
Circuit Diagrams - Page 26
...
R26
33
10K
27K
470
C11 100pF
R21 R22 100 100
R33 100
C31 472
431
R49
R70
C44
R6
4.3K
2.4K
200
104
1.2K
10
Q01
L4 1R8
5.6V
8550
D11 SRF10A60
R24 10K R27
C18 +
R76
16V 2200u
1.5K
C19 + 16V 470uF
C54A 104
5
10K
3
R23
9
4.7
R36 R39
GND...
Circuit Diagrams - Page 28
... SWITCH2
100µs 2.0V
8
2.0ms 500mV
13
SOUND AMP/HEADPHON AMP
2.0ms 500mV
100µs 2.0V
2
9
MICON
50ns 500mV
14
2.0ms 500mV
3
20µs 500mV
10
SCALER
20µs 500mV
15
2.0ms 2.0V
4
TUNER
20µs 500mV
11
20µs 500mV
16
2.0ms 2.0V
5
STEREO
2.0ms 500mV
12
20µs 500mV...
Circuit Diagrams - Page 29
I-2 20µs 200mV
18
20µs 200mV
19
20µs 200mV
20
20µs 500mV
21
10µs 2.0V
22
WAVEFORMS
ADC
5µs 2.0V
23
5µs 500mV
28
LVDS
10ms 100mV
24
5µs 500mV
29
JACK
1.0ms 1.0V
25
INTERFACE_HDMI IC
20µs 1.0V
30
1.0ms 1.0V
26
20µs 1....
Circuit Diagrams - Page 30
MPEG/MICON/DSP
10ns 100mV
51
WAVEFORMS
AUDIO/VIDEO
500µs 500mV
2µs 2.0V
56
62
5ns 20mV
52
500µs 500mV
57
20ns 1.0V
53
200ns 1.0V
54
MEMORY
5ns 500mV
55
10µs 200mV
59
10µs 200mV
60
REGULATOR 2
2µs 2.0V
61
NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram. I-3
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