Toshiba 19DV550P User manual

SERVICE MANUAL
19-inch Diagonal LCD TV/DVD
COMBINATION
DOCUMENT CREATED IN JAPAN, December, 2008 GREEN
19DV550P
FILE NO. 810-200896GR
The above models are classified as green products (*1), as indicated by the underlined serial numbers.
This Service Manual describes replacement parts for the green products. When repairing these green
product(s), use the part(s) described in this manual and lead-free solder (*2).
For (*1) and (*2), see the next page.
©2008 Toshiba Corporation
19DV551P

DVD BLOCK DIAGRAM
MPEG/MICON/DSP/RF_AMP
IC4001
ZR36966ELCG-D-G
OPU
SPINDLE/
STEPING
/
SLED
MOTOR
FLASH 16M
IC4007
SST39VF1601-70-4C-EKE
RF, A, B, C, D, E, F
HOME, TIN_SW, TOUT_SW
DVD LOADER
DSM2
DVD_CD, DVD_LD, CD_LD
Motor Drive
IC2301
LA6565VR-TLM-E
TR+/-, FO+/-,
MOT_LD+/-,
MOT_SLED+/-
MOT_SPDL+/-
SPINDLE/SLED/
FOCUS/TRACK_PWM,
TRAY_CLOSE/OPEN
HA0~A19,
HD0~D15,
MEMCS0, RD, WR
SD_A0~A11
SD_D0~D15
LCD BLOCK
RX
START_SW
SPDIF-134
DVD RESET
DVD_A_OUT_L
DVD_A_OUT_R
AUDIO AMP
IC8501
NJM4565M(TE1)
Y_VIDEO
C_VIDEO
APWM_L+/-,
APWM_R+/-
SPDL_SENS+/-
MD_DVD, MD_CD TX
ZERO
64M SDRAM
IC4005
M12L64164A-7TG
RAMDQM, CLK, CKE, WE#,
CAS#, CS0#, CS1#, RAS#
SD_BA0
DVD_AUDIO_R
DVD_AUDIO_L
SYS_MUTE
RESET
DAC_VIDEO_A
DAC_VIDEO_C/D
SPDIF
TIN_SW
DUPTD1
DUPRD1
F-1 19DV550P/19DV551P F-2

240V
POWER BLOCK DIAGRAM
1
3
5
11
6
CP501__19.LIGHT_CTL
CP501__20.INVERTER_H
D523 CP501__7.8.9. AT+5.8V
CP501__21. POWER FAIL
D505
TRANSFORMER
T501
FEED BACK
IC505
PS2561AL1-1-V
(
W
)
REGULATOR
IC502 KIA431A-AT
C502
A
C IN
CD501 J501
+
POWER CONTROL IC
IC501 FA5531P-A2
Vcc
IS
8
GND
1
3
2
4
F501
L501
4
3
1
2
13
D515
D510
INVERTER
CONTROLLER
IC7001
BD9882FV-E2
Q505
VHZCD
1
OUT
FB
SOUND AMP
IC301
LA42052-E
D518
1
4
3
5
2
6
7
8
7
Q501
NC
12 CP501__5.6. AT+12V
CP501__2.FILTER_MUTE
9
16
18
11
1
8
7
4
1
DRIVE
Q7005
DRIVE
Q7003
T7001
T7002
CD7005__1.HV
CD7005__7.LV
20
DRIVE
Q7004
FEED_BACK
IC7002 LM2902DR
CD7005__14.HV
2
8
7
1
9
10
6
5
8
7
4
1
6
5
4
6
CD7005__8.LV
CD7006__1.HV
CD7006__7.LV
CD7006__14.HV
CD7006__8.LV
D514
D511
2
3
2
3
D507
D508
F-3 19DV550P/19DV551P F-4

J4206
R_OUT 1 SC1_A_OUT_R
L_OUT 3 SC1_A_OUT_L
L_IN 2
R_IN 6
21-B
_
IN 7 SCART1_R/C1
21-G_IN 11 SCART1_G
SCART 1 21-R
_
IN 15 SCART1_B
(21-C_IN)
21-Y
_
IN 16 SCART1_Y_IN
FOR_VCR 8 SCART1_SW
MONITOR OUT 19 SC1_CVBS_OUT
VIDEO IN 20 SCART1_V_IN
TU5801 TUNER
AGC 4 RF_AGC
SCL 9 F_SCL
SDA 10 F_SDA
SIF 14 SIF
CVBS 15 SW
_
CVBS
_(
TU/D
_
TU
)
S-VIDEO-IN
J8101
3S_JACK_Y
4 S
_
JACK
_
C
CVBS_AV_IN
J8104
2CVBS_IN
4VIDEO_A_L
6VIDEO_A_R
HEADPHONE JACK SP_AUDIO_OUT_L
SPEAKER CD301 J301 IC301 LA42052-E SP_AUDIO_OUT_R
SP_L+/- 2
12
4
SP_R+/- 8
COMPONENT VIDEO IN J8102
2SW Y/D
Y
4SW PB/D PB
6
ZERO_MUTE
SW_PR/D_PR
SOUND AMP
21PIN/TUNER /SOUND AMP BLOCK DIAGRAM
SC1_A_IN_L
SC1_A_IN_R
SCALER/SUB MICON/
DVD_INTERFACE/
A
V_SWITCH/JACK
F-5 19DV550P/19DV551P F-6

Q3805
P.CON+12V
CP3801
IC3801 BA00BC0WFP-E2
D3805 D3806
AT+5V
Q3801
IC3806 S-1170B50UC-OUJTFG
D3801 D3802 Q3810
IC3202 AL1015
D3804 IC3205 KIA78D05F
Q3202
Q3200
IC3203 BD7820FP-E2
IC3204 BD7820FP-E2
Q3809
IC3201 BD7820FP-E2
D3202
IC3206 S-1170B19UC-OTETFG
3.3V_SW_REG_CTL
AT+3.3V
P.CON+3.3V
DC-DC-FET
P.CON+8V
P.CON+5V_VCTPP.CON+5V_VCTP_REG
DVD 3.3V_SW P.CON+3.3V_DVD
AT+1.8V_1AT1.8_1_REG
AT+1.8V_2AT1.8_2_REG
REGULATOR BLOCK DIAGRAM
AT+5.8V
5
6
7
8
9V_ REG
9
P.CON+5V
AT+12V
LCD+B
P.CON+9V
5V_REG
P.CON+5V_DVD
DVD MOTOR+6V MOTOR+6V
3.3V_REG
1.8V_REG
HDMI+3.3
V
HDMI+1.8
V
LCD+B SW
P.CON+12V _SW
P.CON+3.3V
_SW
SCALER/SUB MICON/
DVD_INTERFACE/
AV_SWITCH/JACK
F-7 19DV550P/19DV551P F-8

CP7200 LCD PANEL
REGULATOR LCD+B
SIF
LCD_TXOUT0-/+7,LCD_TXCLKOUTE-/+,LCD_TXCLKOUT-/+
SC1_A_OUT_R
X801
20.250MHz
24 23 79 78
SCART1_Y_IN 175 REMOCON 89
SCART1_R/C1 178 EPG_LED 100
SCART1_G 177 STANDBY_LED 117
SCART1_B 176
SC1_A_IN_R 11
SC1_A_IN_L 12 159
SCART1_V_IN 189
SC1_CVBS_OUT 195 160
IC802 RESET PST3229NR
VIDEO_A_L 42 13 81
6
VIDEO_A_R
ZERO_MUTE EEPROM 256K
S_JACK_C IC801 AT24C256BN-10SU-1.8
S_JACK_Y 42 14 84 5 SDA
683 6 SCL
CP6501
2SW_Y/D_Y
13 SW_PR/D_PR
14 SW_PB/D_PB
6190 CVBS_IN
15 6 2 184 27 SP_AUDIO_OUT_R
9428 SP_AUDIO_OUT_L
19 172 VGA-B
20 173 VGA-G
21 174 VGA-R
16 6171 HSYNC
11 447 VSYNC
4HDMI_12S
7 COAXIAL 15 F.SDA
18 J4301 F.SCL
12DPR0~7/DPG0~7
DPB0~7
HDMI/PC AUDIO_IN AUDIO_SCART1/2_Lch_SW LEVEL SHIFT
J4208 PC/DVI1_A_IN_L IC4303 MM1501XNRE SW_A1_L
262
4 1 X101 16MHz
AUDIO_SCART1/2_Lch_SW 911
IC4302 MM1501XNRE SW_A1_R F.SDA 4 F.SDA
COMPONENT_AUDIO_IN 6 2 SUB MICON F.SCL 2 F.SCL
J8103 4 1 14 IC101
R5F21244SNFP 42 SCART1_SW
20 41 RF AGC
24 IC105 RESET PST3229NR
23 8
SW_CVBS(TU/D_TU)
191
C_VIDEO
SPDIF-134
TX
3
RX
P.CON+A5V
161
P.CON+3.3V
ZERO
183
SCALER/SUB MICON/DVD_INTERFACE/AV_SWITCH/JACK BLOCK DIAGRAM
31 128~158
SC1_A_OUT_L
V7201
CD4302 REMOCON_PCB
2
DVD_A_OUT_L
START_SW
P.CON+3.3V
4
Y_VIDEO
P.CON+A5V
P.CON+3.3V
P.CON+12V
INTERFACE_
HDMI IC
KEY-A
KEY-B
Q101/
Q102
38~40
179~181
16
PC/DVI1_A_IN_R
50~73
DVD_A_OUT_R
P.CON+6V
DVD_RESET
2
P.CON+3.3V
P.CON+6V
P.CON+12V
MICON/SCALER
IC803
VCT6973G-FA-B3-000
CH DOWN
POWER
MENU
CH UP
VOL UP
VOL DOWN
INPUT
21PIN/TUNER/
SOUND AMP
EJECT
21PIN/TUNER/
SOUND AMP
AUDIO_DVD/VIDEO_R
IC6502 MM1501XNRE
AUDIO_DVD/VIDEO_L
IC6501 MM1501XNRE
YC/DVD SW
IC6503 MM1501XNRE
YC/DVD SW
IC6504 MM1501XNRE
21PIN/TUNER/
SOUND AMP
F-9 19DV550P/19DV551P F-10

CP4302 D-SUB VGA-R
R 1 VGA-G
G 2 VGA-B VGA-R/VGA-G
B3 VGA-B
VGA_VS V-SYNC
VS 14 H-SYNC
VGA_HS F.SDA/F.SCL
HS 13
X3602 DPR0~7/DPG0~7/DPB0~7
28.322MHz
HDMI_I2S
97
HDMI CONNECTOR
CP3601
DDHS 39,40,43,
44,47,48,
DDVS HDMI_I/F 51,52 15,16
IC3605
SII9025CTU EEPROM
IC3606
S-24CS02AFJ-TB-GE
31
32
INTERFACE_HDMI IC BLOCK DIAGRAM
Q4303
Q4306
2
3
96 110~113
116~119
123~126
27,28
136, 137
140~144
84~86
129~133
SCALER/SUB MICON/
DVD_INTERFACE/
A
V SWITCH/JACK
F-11 19DV550P/19DV551P F-12

1
53 105
157
CP2301_1
CP2303
C2316
C2310
C2340
C8517
C2328
C8516
CP2302
B8501
C8518
C8515
C8539C8538
C8519
C8529
C8530
C8514
R8510
CP8501
C2302
R2304
C2303 R2303
C2307
R2323 R2329
R2320
IC2301
R2321
R2326
R2327
R2319
C8534
C8533
R8534
R8532
R8530
C8532
R8533
R8531
R8529
C8531
IC8501
R8528
C8528
C8527
R8527
R2301
C2315
C8526
C8542
C8513
C8525
C4030
C4083
C4072
B4005
B4008
C4009
C4002
C4016
C4013
C4018
C4019
R4008 C4022
C4020
C4023
C4024
C4025
R4009
B4010
R4071
B4015
R4012
X4001
C4034
W836
R4001
C4085
R4042
C4035
IC4001
C4069
R8517
R8521
R8523
R8522
B4016
B2305
R2360
B4001
C4012
C4082
B4006
D8510
C4075
C4053
R2302
C2365
C4042
C4014
C4015
C2348
C4029
C4038
C2341
C2329
R2305
C4099
C4058
CP8502
C4107
SH8502 SH8503
SH8504
SH8501
IC8502
B8503
B8504
C8521
R8508
R8509 R8507
B8502
C8503
C8501
L8501
R8506
C8537 C8536
C8543
C8506
C8505
C8504
C8512
R8536
R8535
R8537
R8539
R4036
R4037
R4038
R4039
W825
W824
D4003
D4002
C2301
C2305
D2304
D2303
C2304
R2357
R2358
R2339
R2307
R2313
C2306
R2328
R2310 R2337
R2330
R2325
C2360
C2357
C2358
C2359
C2319 C4076
R8516
R2353
C2321
R2349
D4005
R2342
C8541
C4026
R2352
C2330
C2323
R2350
C2339
R2308
R2338
W818
C4105
R2309
R2334
W807
R2332
R4018
R4019 R4043
C4004
R4022
C4086
C4006
R2336R2335 R4063
R4062
C4057
C4001
R4061
R4060
C4003
C4056
R4023
C4033
R4005
R4086
R4016
C4051
C4028
C4027
R4032
R4087
R4065
R4052
R4089
R4078
R4045
R4002
R4004
C4081
R4024 C4032
R4048
C4041C4040
R4014
C4050 C4045
C4077
C4047C4046
IC4005
R4040 C4062 C4064
W860
R4054 R4053
R2333
R2341
Q2302
R2340
Q2301
R2306 R2318
C2326
C2317
C2309
C2350
C2331
C4005
C4039
R2355
C4095
C4091
R4003
C4008
C4010
C4096
D4008
R4067
R2324
W841
C4021
C8520
C4036
IC4007
B4003
B4002
C4007
C4037
C4011
C4049
C4052
C4054
C4079
C4044
C4055
C4059
C4060
W813
W812
L8502
W803
W804
PRINTED CIRCUIT BOARDS
DVD MT (TOP SIDE) DVD MT (BOTTOM SIDE)
G-1 G-2
19DV550P/19DV551P
MOTOR
REGULATOR
MPEG
4
PAL
NTSC DMG097A
DMG097A

1
53
105
157
1
1427
40
109
1
37 73
C7235
CP7200
CP4300
W941
R6503
R6502
W942
W820
B3803
B3804
W851
W839
W833
W829
CP3801
W899
W892
W933 W927
CP6501
B6502
B6501
C3826
Q3803
R3801 R3822
Q3802
L3202
D3201
B3201
Q3808
NR7211
NR7204
NR7205
NR7207
NR7206
W898 W894
CD4302 CD4301
J4206
J4208
J4301
C4363
R4339 C4357
Q4306
R4336
Q4307
IC803
X801
C885
C884
R896 R897
R852 R911
R912
R914
R915
C893C892C857
CP101
IC801
C808
R820
R819
C821
C829 R812
R913
IC3203
R3215R3210
C3231 C3227
R3217R3218
C810
C815 C816
C801
B801
C806
C117
C112 C116
X101
IC101
R115
R3622 R3623
R3697
C3693
C3694
X3602
R3699
R3698
NR3602
NR3601
IC3605
NR3603
NR3604
NR3606
NR3605
R3615
R3669
L3601 L3602
CP3601
B3601
C3629
R3606
R3607
Q3604Q3603
R3609R3608
IC3606
R3604 R3605 R3628
R3688 C3631
IC3201
R3211 R3212
R3214
D3601
D3603
R3715 R3716
C3722
R3601
D3630
Q3602
C3643
R3635
R3636
Q3601 Q3605
R4319
R110
C4288 C4287
C4297
Q4304 Q4303
R4331 R4332 C4354
R4333
R4330
R4334 R4329
C4328
IC4303
IC6504
IC6503
C6517
B4202
C4322
R1011
R1012
Q1002 Q1003
R1008
R1009
W858
W861
C3815
B3802
C3807
D3804
W876
R3829
C3220
C3221
W811
B4312
B4322
R4335
R4327
CP5802
C108
C123
R6501
D3805 D3806
C3222
C3223
C3224
C3225
C833 C834
B6504
W803
W832
R4215
B4308
C4353
C4324 C4325
R4317
R4318
R4302
R4301
C4348
IC4302
B4317
C4347
R4210
R4254
C4245
CP5803
R5804
R5814
R5801
C5806
C5814
C4339
C6525
C6522
C807 C802
C804
D3600
R113
C4211
C4218
C1013
C3240
L3201
C6516
C6519
CP4302
CP802
C3808
TU5801
C861 C862
R3236 R3235
W889
R4229
R4226 R4231
R4230
W932
W931
D3809
W916
W913
W917
W920
W847 W844
W871
W818
W873
W905
W864
W926
PRINTED CIRCUIT BOARDS
MAIN/TUNER (TOP SIDE)
G-3 G-4
19DV550P/19DV551P
CMG130A
3
PAL
CEG367A 3
LVDS
SCALER SUB\\MICON
HDMI
OPE
JACK
TUNER

Q3805
R3814
IC3806
B3809
C3825
C3822
C3824
C3823 R3805
Q3801Q3809
R3825
C3836
C3834
C3835
C3838
B3810
R3204
R3232
R3203
IC3202
Q3202
C3206
R3227
R3206 R3207
R3208
C3215
D3802
D3801
Q3810
R3817
C3821
C3839
R3818
C3803
R5817
R5819
R5812
R5816
Q5801
Q5802
Q4201
R4225 R4206
R4240
R4244
R4243
Q4214
Q4224
R4293
C4251
R4202
R4201 R4212
R4341
R4342
C4318
B4228
R4363
C4319
R4364
R4365 Q4200
R4367 R4368
R4366
C4310
R4315
R4321
B4305
B4304
R4320
R4312R4309
R4314
B4303
R4310
R4311
R4322 R4316 C4345
NR7200
NR7201
C844 C845 C846
C850
C865
C868 C870
C832
R822
R893
R808
R895
R894
R831
R832
R837 R835
R916 R839
R842
C875
R884
R878
C886
R870
C888
R846 R869 R856
R858
C891
C887
C822
C830 C840
C819
C827 C838
C828
C820 C839
C837
C800
C824
C856 C854 C853 C852
C851 C849
C872
C871
C855 C860
R859 R857 R855 R850
R863 R862 R868
R811
R867 R816
C835
C826
C825
R876
Q102
R131
Q101
R130
IC802
D804
C803
R815
R917
R818
C809
C814
R873 R872
R874 R813
IC3204
R3216R3213
R3219
R3220
C3232
B813
B811
B812
B810
B805
B806 B809
C876
B819
C869 C866
B808
B818
B804
W850
W874
C4321
R4274 R4273 D4211
Q3200
R3209
R3221
R3229
Q3201
R109
C104
R108
R114
R107 R106
R129 R128
IC105
C111
C110
R127
R3689
C3620C3716
C3637
C3608
C3714
C3617
C3607 C3690 C3655 C3630 C3628 C3624 C3623 C3622
C3621
C3602
C3609
Q3618 R3711
C3721
R3600
C3701 C3709
C3710
C3711
C3626 C3712
C3614
C3699
C3691
R3626
R3627
R3625
B3606
B3608
C3692
C3700 C3695
B3610
B3604
C3706 C3697 C3698
C3704
C3211
C3213
IC3206
C3219
C3208
D3202
Q3205
R3223
Q3206
R3225
B3609
B3603
W802 W921W923
W900
W904
W901
C4356
C4355R4337
IC6502
C6524C6523
IC6501
W875
W872
W869
W863
W826
W865 W815
W804
C1004
C1007
W963
Q1000
R1005
R1006
C6515
IC3801
R3831
R3832
R3830
IC3205
C3239
C3205
R3226
R3201
B3605
D805
C889
W914 W910
Q4309
Q4305
Q4310
Q4308
C4359
C4358
D4305
Q1005
D1002R1020
R1023
C1016
Q1006
Q1004
R1004
Q1001
Q4218Q4217
C3204
C3217
R865
R861
R866
R864
B803
C817
B807
R826
R825
C867
B7200
B7201
C3717
C3708
C3638
C3619
B3602
R3806 R3807 R3808 R3813
R3803 R3812
R3802
Q3804
C3840
B3807
B3808
C3818
NR7202 NR7203
C3226
D107
R3228
R3224
R3205
R3240 R3222
R886
C6530
C6512
R3617
C4209
C3237
B4203 R4209
R4248
R4259
R4252
R4249
L4207 L4206
C4213
Q4205
R4224
R4264 L4205
C4202
R4223
L4204
R4268
C4212
Q4210
C4206
W866
R4242
C4233
W870W867
C4220C4230
R4227 R4218
C4350
C4336
B5803
C5807
R5809
W841
W835
W846
W843
C105
C3604
C3616C3632
C3633
B3613
C3642
C813
B802
C836
D3605
C3210C3207
B4204
W868
C4250
B101
D1001
R4203
C1003 C1005
R3827
R3820
R3823
R3824
R3821
R3826
D3807
W908
W909
W911
W881
W922
W884
W882
W877
W918
W925
W919
B821
W809
W816
W814
W813
W915
W880
W886
W885
W887
C5826
B820
PRINTED CIRCUIT BOARDS
MAIN/TUNER (BOTTOM SIDE)
G-5 G-6
19DV550P/19DV551P
CEG367A
CMG130A