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 tam3o on November 8th, 2021
Button Power
the power button wen pressed keeps falls inside of case, now removed case button plastic clips broke off also green plastic with control buttons will no stay in place.
Current Answers
Answer #1: Posted by itasklive on November 8th, 2021 11:01 PM
itasklive
Member since:
October 21st, 2021 Points: 257,510
Member since:
October 21st, 2021 Points: 257,510
The plastic power button is easy to replace. You'll need to remove the front panel, which can be done by removing the 5 screws in the back of the TV and then sliding it off. Once you have removed the front panel, you can see where the power button is located and replace it with a new one.
Related Toshiba 23HLV87 Manual Pages
Circuit Diagrams - Page 1
For (*1) and (*2), see the next page. When repairing this green product, use the part(s) described in this manual and lead-free solder (*2). DOCUMENT CREATED IN JAPAN, March, 2007 GREEN 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...
Circuit Diagrams - Page 3
... 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
L OUT
Y
14
44 R OUT
Pb
11
Pr
16...
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 ...
Circuit Diagrams - Page 11
...
0.1u 470uF/10V
C3 0.01u
L2 15uH/3A
1
2
D9 SK34
R156 51k
R171 30k
+3.3VD
+
C45
CA15
0.1u
470uF/10V
22uF/10V
0.1u
C9
PANEL POWER AND CONTROL
12V/3A 5VA +3.3VD
R8
NC/1206
R9
0/1206
R10
NC/1206
R18 10K
ON_PANEL
5VA
R19
R44
NC
10K
R25
R24
Q4
1K
1K...
Circuit Diagrams - Page 13
...VDD12IH CLK_EXT_ADC
VSSIPH VDD33OPH OSC_XOUT
OSC_XIN VSSOH
VDD12T_ABB VSSBB_ABB FILTER VBB_ABB VSST_ABB
VDD12T_ABB
RESET_N
IN OUT ADJ
IN OUT ADJ
POWER FOR DEMODULATOR
7
4
4
U39 AMS1117-1.2V
U40 AMS1117-3.3V 5V8_DE/TU 5VA-DE
3
2
1
3
2
...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
TS1
TS0 TS1
TS2
TS3...
Circuit Diagrams - Page 15
...
DVD-R
DVD-R
R170 10k
C122 R54 330p 12k
C50
2.2uF
B2-R
C48 560p
Keep AGND trace with signal
Keep spacing for L/R
Keep trace width(12mil+)
R169 5.6K
R168 390K
R175 NC R176 NC R177
0 R178
0...
4
5
H11 PAD
NC2 32 OPEN2 31
BNF1 30 BOUT1 29
BNF2 28 BOUT2 27
OUT1 26 OUT2 25 LINE1 24 LINE2 23 GND 22
SDA 21 SCL 20 CAP2 19
C1 18 C2 17
LINE1/OUT1 LINE2/OUT2
R124 100
R117 100
C85 1800p R61 ...
Circuit Diagrams - Page 16
... Warning ! 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...
LA1
LA2
12VA
3
MMBT3904
100uH
100uH
C
L65
L66
L67
Tuner_+30V
Tuner_+40V
3 CA49 100nF/50V
5
SOT 23
2.2uH
3.3uH
2.2uH
R373 47R
C289 47nF TUNER-CVBS ATV-Vin+
RA1 1K
2
5 CA50 + CA51
B ...
Circuit Diagrams - Page 17
...
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...
AMP_RIN AMP_LIN
R58
10
R43
10
HPOUT-R HPOUT-L
Ground in the middle of the L/R Keep AGND trace with signal Keep spacing for L/R Keep trace width(12mil+)
3
DD9 ST5V6
AV1-CVBS
L4
0
1
2
C15
C16
NC
330p...
Circuit Diagrams - Page 18
...75
C Location near MST.IC
C79 2.2u
VGA/DVI-Lin
C82 2.2u
VGA/DVI-Rin
Keep AGND trace with signal Keep spacing for L/R Keep trace width(12mil+)
1
A
B
C
D
E
F
G
H-19
H 8 7
6...R68
10k
1
C58
R69
330p
12k
DD11 ST5V6
NC C67
75
R76
75
75
+ + +
+ + +
Ground trace 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...
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
...-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
EXT-MODULE POWER
Always Active
5V8IN
D12 4148
DVD_5V
D13 4148
D17 Zener/5.1V
C351 1uF
B
C
D
E
F
G
H 8 7
6
5
4
3
2 1 H
H-24
Circuit Diagrams - Page 21
R106 R103
27K [51K] 27K [51K]
R107 R102
NC [22K] 33K [51K]
C152 NM [33pF]
Flash speed
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 ...
Circuit Diagrams - Page 22
...
X4
+
10k
1N
100P
100N 100N
100N
C01
100N
HGL-LV6A C02
R84
N3
330P 470uF/10v
5
470uF/16v POWER ON
470uF/16v
10k R87 20K
3
R82
1
D7
R41 C41 C55
1 2 3 4
1 2 3 4
... 6 5
8 7 6 5
4V2IN VD1
4k7
601
5K6
AP1520
RB060-40
100N 100N
0.1uF
0.1uF 10uF/16v
5
VIDEO-POWER-SUPPER
2
R29
D26
4V2
1 IN
OUT 2
DSPVCC33
+12V
FB15
A+12V
A+12V 100
C21 + C336
VID12V
3 ADJ/GND...
Circuit Diagrams - Page 23
...
CVBS_C
R72 75
R78
4 3 R70 510
510 D581
V+ 5 -
1
+ V- 2
AD8061
VID5V
R79 75
CVBS_OUT
CVBS_G_Y
R74 75
R80
4 3 R73 510
510 D420
V+ 5 -
1
+ V- 2
AD8061
VID5V
R81 75
GREEN
C-B-U
R63 75
R65
4 3 R62 510
510 D232
V+ 5 -
1
+ V- 2
AD8061
VID5V
R66 75
C-B-U_OUT
Y-R-V
R68 75
R76
4 3 R67 510
510 D239
V+ 5 -
1
+ V- 2
AD8061
VID5V
R77 75
Y-R-V_OUT
H1...
Circuit Diagrams - Page 24
... C9 470uF/16V
2.1V 1nF
RF_E
VC
RF_F RF_B RF_A RFP
RF_D RF_C
RFA5V
R204 3.3K CD_DVD
PDIC Control: DVD=LOW CD=HIGH
CD_DVD
26 GND 25 GND
C203 0.1uF
C14 + C314 C11 + C13
0.1uF...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
...
4.3K
15K
Q01A 1SS184
C08
C07
R32
D03B
C06 C10
D03A 104 35V 220uF
18V
C0B
R30
R25
6
R45 R44B
2.7K 1.5K
!
A
B
C
D
E
F
G
H
PWM SCHEMATIC DIAGRAM
8
(POWER PCB)
8
R92 10K
R94 680
GPFC
7
R93
Q08
5.6K
9013
!
Circuit Diagrams - Page 29
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....
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