Toshiba MD20H63 Service manual

COMBINATION FLAT COLOR
TELEVISION AND DVD VIDEO PLAYERC
CIRCUITDIAGRAMS
DOCUMENT CREATED IN JAPAN, March, 2007 GREEN
MD20H63
FILE NO. 810-200708GR
The above model is classified as a green product (*1), as indicated by the underlined serial number.
This Service Manual describes replacement parts for the green product. When repairing this green
product, use the part(s) described in this manual and lead-free solder (*2).
For (*1) and (*2), see the next page.
©2007 Toshiba Corporation

MPEG/MICON/DSP/RF_AMP
IC4001
ZR36862PQCG-B
OPU
SPINDLE/
STEPING/
SLED
MOTOR
FLASH 8M
IC4007
SST39VF1601-70-4C-EKE
RF, A, B, C, D, E, F
HOME, TIN_SW, TOUT_SW
DVD LOADER
DM-3PBF
DVD/CD, DVD_LD, CD_LD, VC
MOTOR DRIVE
IC2301
LA6565VR-TLM-E
TR+/-, FO+/-,
MOT_LD+/-,
MOT_SLED+/-,
MOT_SPDL+/-
SPINDLE/SLED/
FOCUS/TRACK_PWM,
TRAY_CLOSE/OPEN,DRVSB
DVD BLOCK DIAGRAM
HA0~A19,
HD0~D15,
MEMCS0, RD, WR
SD_A0~A10
SD_D0~D15 16M SDRAM
IC4009
M12L16161A-7TG
SPDIF
ML, MC, MD,
AMCLK, ABCLK, ALRCLK,
ASDATA0
F-1
SPDL_SEN+/-
F-2
DVD/CDPD
RAMDQM, CLK, CKE, WE#, CAS#, RAS#, CS0#, SD_BA0
TX
9
8
7
P.CON+3.8V
P.CON+3.8V
P.CON+A5V
6
4
3
RX
11
P.CON+6V
TV BLOCK
CD4002
13
12
SSCTXD
SSCRXD
REG+3.3V+1.9V
IC4003
BA33E00WHFP-TR
P.CON+3.3V
P.CON+1.8V
AUDIO-R
DVD-H
7
1
3
AUDIO-L
CVBS
C (CVBS)
5
11
12
DVD RESET
9
Y
TV BLOCK
CP8101
10
ZERO
STEREO DAC
IC8102
PCM1753DBQR

TV BLOCK DIAGRAM
F-3
HV
F
S
FBT
1
V801
CRT
FB401
CHROMA
IC601 LA76327M-B-MPB-E
14
15
23
16
1
44
25
Q405
FL OUT
Q402
H.DRIVE
V.OUTPUT
IC401
LA78040 5
119
R.OUT
G.OUT
B.OUT
*B
*C
7
SPEAKER
SP301
SPEAKER
SP302
HEADPHONE
J301
SOUND+B
*A--- AT+5.6V
*B--- P.CON+9V
*C--- P.CON+5V
*D--- P.CON+12V
*E--- P.CON+6V
*F--- P.CON+3.8V
*G--- P.CON+3.3V
*H--- P.CON+1.8V
*I --- P.CON+2.6V
40
*F
9
7
2
3
5
1
DY
SOUND AMP
IC301 AN7513 6
8
4
2
SOUND+B
SOUND AMP
IC302 AN7513 6
8
4
2
57
55
56
59
60
Q4202
DRIVER
TX
4
3
RX
13
12
SSCTXD
SSCRXD
SPDIF
9
8
7
P.CON+3.8V
P.CON+3.8V
P.CON+A5V
11
P.CON+6V
6
DVD BLOCK
CP8001
DVD-H
2
1DVD RESET
10
8
C (CVBS)
Y
3
4
6
ZERO
AUDIO-R
AUDIO-L
CVBS
12 NC
Q4203~Q4206
MUTE SW
Q4201
MUTE SW
DIGITAL AUDIO SW
IC5801
SN74LV4052APW
6
10
*C
5
CP8002
3
X601
3.579545MHz
35
AUDIO SW
IC4201
NJM2750M(TE1) 11
15
8
3 79 13
5
J2203 L
RV
J2202 J2201
J4201 J4202
6432
REAR JACK FRONT JACK
22 2 2
48 83
67 74 65 66 47 64 63
5875 59 62 41
TIMER SYSCON MICON
IC6201
OEC7176A
1642
89
71
OS2201
10
9
*A 34
12
SYSTEM RESET
IC6202
PST3229NR
*A
VOL UP
VOL DOWN
CH UP
39
X6202
12 MHz
CH DOWN
3836
X6201
32.768MHz
35
STOP
SKIP FF
OPEN/CLOSE
PLAY
POWER
ON/OFF
SKIP REW
1
14 72
31
7
3
5
1
37
DIGITAL BLOCK
CP001 19
5
2
1
25
24
22
16
21
9
8
27
28
12
10
11
6
18
20
15
14
13
+9V
ASIC+1.8V
+5V
+2.6V
IF_OUT2
IF_OUT1
IF_AGC
SIF/2ND_CVBS
AFT
TX
RX
SD_H
CVBS_IN
DTV_RESET
I2C_DATA
I2C_CLK
MESSAGE_REQ
AUDIO-R
SPDIF
Pb OUT
Y OUT
Pr OUT
7+3.3V
17
AUDIO-L
NC
19
TU5801
18
2015
16
14
1312
5
EEP ROM 8K
IC6203
AT24C08AN-10SU-2.7
6
21
NC
NC
NC
9
*E
*C
*F
*F
29
28
*D
50
51
*A
*B
*G
*H
*C
*I
F-4

12
TRANSFORMER
SWITCHING
T3801
18
17
14
8
5
AC IN
D3807, D3808,
D3810, D3811,
D3814, D3815,
D3816, D3817
RECTIFIER
F3801
L3802 DEGAUSS COIL
Q3804
Q3801
FEED BACK SW
VR3801
+B ADJ.
FB401
2
P.CON+5V_D OUT
IC3002 KIA278R05PI
P.CON+5V
IC3004 KIA278R05PI
POWER BLOCK DIAGRAM
P.CON+D5V
AT+5.6V
SOUND+B
P.CON+5V
P.CON+9V
POWER ON-H
+B
F-5 F-6
SW
FEED BACK P.CON+6V
10 DRIVER
Q3006 DVD_H
P.CON+12V
DRIVER
Q3005
DRIVER
Q3003
P.ON SW
Q3004
+30V
3+25V
R3831, R3832
2
1
2
1
P.CON+6V_D OUT
IC3001 KIA78R06API
Q3803
BUFFER
Q3802
UNREG+3.8V
REG.+3.3V
IC3006
BA00BC0WFP-E2
P.CON+3.3V
DTV_POWER-H
REG.+2.6V
IC3005
BA00BC0WFP-E2
D_P.CON+2.6V
2
1
4
2
4
2
REG.+1.8V
IC3003 LA5774-E
2
1+1.8V

DIGITAL MODULE BLOCK DIAGRAM
DTV ASIC
IC2401
ZR39740HGCF-B0
X2401
25MHz
U9
U10
A8
C12 C11
U13
ADR
DAT 13
16
+2.6V +2.6V
PB OUT
Y OUT
RESETN
I2C_DATA
MSG_REQ
+3.3V
ASIC+1.8V
AUDIO DAC
IC2406
CS4345-CZZ
T3
R3
R2
R1
SDIN
BCLK LRCK
ACLK
910 7
+5V
1234
F-7 F-8
CVBS_IN/740_INIT
28
SD_H/SEL_SW27
IF_N
25
IF_P
24
IF_AGC
22
AFT121
SPDIF
20
+9V
19
AUDIO-R
18
AUDIO-L
17
SIF/2ND_CVBS
16
Pb OUT
15
Y OUT
14
Pr OUT
13
DTV_RESET
12
I2C_CLK
11
I2C_DATA
10
TX
9
RX
8
7
AFT0/MSG_REQ
6ASIC+1.8V 5
+5V2 +2.6V
1
TV BLOCK CP2403
EEPROM
IC2403
AT24C04N-10SU-2.7
B11
B12
SDA
SCL
8
56
+3.3V
+3.3V
NC
I2C_CLK
SIF AMP SIF
SIF F3
SPDIF U1
IF_AGC A5
IF_P B1
IF_N C1
SD_H/SEL_SW U5
CVBS_IN/740_INIT F1
256Mbit DDR SDSAM
IC2402
HY5DU561622ETP-D43
SD_CS
SD_WR
SD_CLK
SD_RD
SD_DET
+3.3V
UART0TX
UART0RX
CP2420
9
8
7
6
5
4
3
2
T5
A4
C4
SPI FLASH
IC2405
EN25P16-50HCP
562
B4
U6
+3.3V
8
A11
A12
C5
A3
C6
1
3
7
NC NC
NC
NC