Toshiba MW20H63 Service manual

CIRCUITDIAGRAMS
COMBINATION FLAT COLOR
TELEVISION AND VIDEO
CASSETTE RECORDER/
DVD VIDEO PLAYER
DOCUMENT CREATED IN JAPAN, March, 2007 GREEN
MW20H63
FILE NO. 810-200709GR
REVISED: 01
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
ZR36882ELCG
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-3S/30
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~A11
SD_D0~D15 64M SDRAM
IC4008
M12L64164A-7TG
SPDIF
ML, MC, MD,
AMCLK, ABCLK, ALRCLK,
ASDATA0
F-1
SPDL_SEN+/-
F-2
DVD/CDPD
RAMDQM, CLK, WE#, CAS#, RAS#, CS0#, CS1#, 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
FROM/TO TUNER/DVD IN/OUT
COMB FILTER
CD4002
13
12
SSCTXD
SSCRXD
REG+3.3V+1.9V
IC4003
BA33E00WHFP-TR
P.CON+3.3V
P.CON+1.8V
AUDIO-R
7
1
3
AUDIO-L
CVBS
C (CVBS)
5
11
DVD RESET
9
Y
FROM/TO TUNER/DVD IN/OUT/
COMB FILTER
CP8101
10
ZERO
STEREO DAC
IC8102
PCM1753DBQR
X4001
27MHz

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-3 F-4
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
FROM/TO TUNER/DV IN/OUT/ COMB FILTER CP2403
EEPROM
IC2403
AT24C04N-10SU-2.7
B11
B12
SDA
SCL
8
56
+3.3V
+3.3V
NC
I2C_CLK
SIF/2ND_CVBS U8
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
5 6 2
B4
U6
+3.3V
8
A11
A12
C5
A3
C6
1
3
7
NC NC NC
U11
PR OUT

Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM
30
2
22
32
10
21
67
65
7
9
36
6
8
34
55
54
53
57
43
578 76
H.AMP
SW
REC AMP
CP4502
6
5
4
AUDIO REC
AUDIO PB
CTL+
HEAD
AUDIO
CONTROL
CTL+
CTL-
Y/C/AUDIO/HEAD AMP IC
IC4501
LA71206M-MPB-E 39
Q4509
BUFFER
TIMMING CCD
OUT
DRIVER CLAMP
37
58
60
59
24
66
H.SW
72
73
74 H.SW
H
L
H
L
H
L
PB.EE
P
R
WC
DC NL
EMPHA
REC
FM-EQ FM
MOD
PR
AGC
AMP KIL
FM
AGC
DELAY
PB
FM-EQ
PB
PHASE-EQ
P
R
C-LPF
GCA B-UP
AMP
ACC
AMP
Main
CONV 3.58M
BPF2
AUTO BIAS
P
RKIL
B.D. PB
AMP
3.58M
BPF1
DOUBLE
LIM FM
DEM SUB
LPF
V/I
CONV P
R
Y-LPF
YNR/
COMB
N.L.
DEEM
NC1
Y/C MIX
SYNC
SEP
VCA
CLAMP
1/2
FBC
Chara
INS.
6dB
PR
P
R
V-AGC
L4502
CLAMP
EQ
AMP
LINE
AMP
MUTE
ALC
Y/C_CS
Y/C_DATA
Y/C_CLK
H. AMP_SW1
C. ROTARY
H. SW
ENV. DET
COMP
DUMMY_V. SYNC
Y/C_VIDEO
MONI_CVBS
NORMAL_A
Y/C_AUDIO
2
3
1
5Q4505
BIAS CTL
11
4
AUDIO
MUTE
H.AMP SW
C ROT
RF SW IN
ENV DET
COMP
OUT
Q4504
BIAS OSC
Q4503
SW
Q4501, Q4502
AUDIO PB SW
HF1
HF2
Hi-Fi HF_COM
COIL, BIAS OSC
X4501
3.579545MHz
VX01
50 49
PULL
41
Q4507
BUFFER
MICON
Hi-Fi
80
SERIAL
DECODER
VCR_A_MUTE
V.REC_ST_H
LPF
ALC
DET
PR
MICON
MICON
EP/LP-CH1 (R)
EP/LP-CH2 (L)
CP4501
6
5
4
SP-CH1 (R)
SP_COM
SP-CH2 (L)
CYL
3
2
1EP/LP_COM
HF2 (L)
HF_COM
HF1 (R)
7
8
9
FE HEAD (HOT)
FE HEAD (GND)
FE HEAD 2
1
CP4503
DETAL
ENH
28
FSC
26 Q4511
BUFFER
Q4506
AMP
V SYNC
F-5 F-6
TUNER/DVD IN/OUT/
COMB FILTER
3CTL-
2
1AE HEAD (-)
AE HEAD (+)
DTV_CVBS
P.CON+5V REGULATOR
44
23 52 58 77
CHROMA/IF
TUNER/DVD IN/OUT/
COMB FILTER
DVD_VIDEO

TIMER SYSCON MICON
IC1001 OEC7175A
Y/C/AUDIO/
HEAD AMP
DRUM-PWM
MS SEN-B
POWER FAIL_L
CS
DUMMY.V.SYNC
COLOR_ROTARY
77
2
85
15
18
13
IN/OUT
POWER_FAIL
VIDEO-H.SW
DRUM FG/PG
90
VCR_A_MUTE 81
73
CHROMA/IF
LDM CTL
20
BOT
EOT
3
REEL-T
80
REEL-S
79
REEL SENS
Q1001
AT+5V
BOT SENSOR
Q1011 EOT SENSOR
Q1013
REEL SENS
Q1005
P.CON+5V_C
11 CYL FG/PG
12 CYL_CTL
CAP PWM
76
CAP LIMIT
12
CAP FULL
78
CAP-FG
87
CAP-FWD
11
5
9I LIMIT CAP CTL
1 CAP FG
4CAP/M/F/R
21
4 3
MS SEN-A
1
21
4 3
MS_SEN A
Q1009
MS_SEN B
Q1003
2
34
12
34
1
CAPSTAN
DD UNIT
AT+5V
HEAD AMP SW 16
Y/C_CS
DUMMY_V.SYNC
C.ROTARY
H.SW
VCR_A_MUTE
H.AMP_SW1
VIDEO ENV
V.REC START-H 61
6ENV.DET
V.REC_ST-H
CTL(+) 95
CTL(-) 94
AFT (MONI) 7
DEGAUSS_H 22
IIC-DATA1
IIC-CLK1 71
72
DEGAUSS_H
SDA
SCL
AFT_MAIN
CTL+
CTL-
TAB SW 50 TAB SW
RESET_L 1
IC1003
PST3231NR
SYSTEM
RESET
5
6
EEP ROM
IC1099
AT24C08AN-10SU-2.7
S DATA 68
S CLK 70
Y/C_DATA
Y/C_CLK
SCL
SDA
ENV-CMP-IN 17 COMP
SPDIF SW
41
SPDIF_SW
STEREO SEL 100
HIFI H.SW 19
HIFI ENV 5
ST_SELECT
HIFI_H.SW
HIFI_ENV_DET
SDA
SCL
Hi-Fi
VCR_POWER
27
DVD_H
MICON BLOCK DIAGRAM
DVD DATA IN
66
DDEGI_ST_L
DVD RDY
MESSERGE_REG_IN
89
74
DVD CLK67
DVD RESET48DVD RESET
TUNER DIGTIAL-L
21
DIGITAL_SELECT
DVD DATA IN
TUNER/DVD IN/OUT/
COME FILTER
4
X1002
32.768KHz
XC-OUT
XC-IN 35
36
CENTER LED
69
Q1024
I_LIMIT
CENT LED
D1001
10 LDM CTL
CP1001
CHROMA/IF
H/C-SYNC
G
OSD OUT1 60
62
63
B
V-SYNC 59
58 H.SYNC
OSD_G
OSD_BLK
OSD_B
V.SYNC
TV_POWER_H
TV_A_MUTE 82 TV_A_MUTE
ROSD_R
64
2 CAP VCO
8 LD/CY_VCO
MOTOR+12V
REGULATOR
REGULATOR
REGULATOR
34
Q1002
BUFFER
CVIN 56
TV_POWER 30
TV_POWER_H
VCR_A_MUTE
Y/C_VIDEO
TUNER/DVD IN/OUT/
COMB FILTER
PROTECT 25 PROTECT
TV
TUNER/DVD IN/OUT/
COMB FILTER
TV
SCL
SDA
P.CON+5V_C
SW1001
F-7 F-8
3
1
2
D1005
Q1006, Q1007
SW 31 DTV RESET
DVD DATA OUT65
VCC
BACKUP+5V 37
DVD DATA OUT
VCR_POWER_H
CHROMA/IF
X_RAY/EO REAK 8X-RAY
47 DVD POWER ON-H
VCR_POWER_H
DVD-H
DVD CLK
DVD RDY
SPDIF MUTE-H
83
SPDIF_MUTE-H
KEY-2
KEY-1
KEY-A
REMOCON IN
KEY-B
REMOCON_IN
10
9
14
29
REC LED
28
T-REC_LED
T-REC_LED
REC_LED
DTV_P.ON_H
26
DTV_POWR_IN-H
TV
X1001
12MHz
X-IN(12MHz)
X-OUT(12MHz) 39
38
Y/U/V SW 33 REAR_Y/U/V_H
TV_POWER_H

PLAY
CH.DOWN
REC/OTR
CH.UP
STOP/EJECT
OS2201
1
MICON
REC/OTR
LED D2205
REC LED SW
Q2201
SWD_A_IN_L
IN/OUT BLOCK DIAGRAM
FF
REW
VOL UP
PLAY
STOP
SKIP
VOL DOWN
SKIP
OPEN/CLOSE
POWER
T-REC
LED D2206 T-REC LED
SW
Q2203
POWER
LED D2207 POWER LED
SW
Q2202
KEY_A
KEY_B
REMOCON_IN
TV_POWER_H
T-REC_LED
REC_LED
REAR AV IN
J4201
YUV IN
J4202
U_IN
V_IN
FRONT VIDEO JACK
J2202
FRONT AUDIO L JACK
J2203
FRONT AUDIO R JACK
J2204
CHROMA/IF
3
D AUDIO
DRIVER
Q4203 AUDIO IN COAXIAL
J4204
SPDIF_134
TUNER/DVD IN/OUT/
COMB FILTER
AT+5V
P.CON+5V
REGULATOR
6
4
3
2
2
2
2
5
3
2
6
SWD_A_IN_R
F-9 F-10
2
3
4
AV_SW
IC4201
AN15853B-E1
REAR S IN
J4203
3
4
Y_IN
9
3
5
30
28
17
15
20
10
12
11
13 33
35 BUFFER
Q4202 C_OUT
Y_OUT
Hi-Fi
31
19
21
2
MONI_CVBS
DVD_AUDIO_L
DVD_AUDIO_R
A_TUNER-CVBS
TUNER/DVD IN/OUT/
COMB FILTER

CHROMA
IC601
LA76327M-B-MPB-E
19
23
6
8
14
57
56
60
MOTOR+12V
REGULATOR
CHROMA/IF BLOCK DIAGRAM
35
AT+5.7V REG
X601
3.579545MHz
51
54
55
59
50
3
MICON
5
25
P.CON+9V
16
15
36 P.CON+5V
5
13
21
OSD_BLK
OSD_R
OSD_B
OSD_G
SCL
V_SYNC
SDA
H.SYNC
Y_OUT
C_OUT
V_SYNC
IN/OUT
Q602
PROTECT
G.OUT
CUT OFF
FROM/TO TV
CD603
6
5
4
CLAMP OFF
B.OUT
3
1
R.OUT
ACL
V.OUT
FROM/TO TV
CP602
4
3
2
1
AFC
TV_POWER_H
TV_POWER_H
X-RAY
MICON
Q606
SW
PROTECT MICON
Y/C/AUDIO/
HEAD AMP
6
P.CON+5V
H.OUT
EMERGENCY
7
8
9+B DOWN
EW OUT 5
F-11 F-12
REGULATOR
TV
8
7
NC
VM_OUT
12
VCR_POWER_H
YUV SW
IC702
NJM2584AM(TE1)
3
8
16
11
5
12
9
1
14
6
28 29 30
IN3A
IN1A
IN2A
OUT1
OUT2
OUT3
IN3B
IN1B
IN2B
CTL
DTV_Y
DTV_C(U)
DTV_V
Y_IN
U_IN
V_IN
REAR_Y/U/V_H
MICON
IN/OUT
SWD_U
SWD_V
SWD_Y
44
40
DVD_Y
DVD_C
TUNER/DVD IN/OUT/
COMB FILTER
TUNER/DVD IN/OUT/
COMB FILTER
13
VCC
NC
NC
Q603
10V REG

2
11 8
SOUND AMP
IC351 AN17808B
12
57
SOUND AMP/SURROUND BLOCK DIAGRAM
SPEAKER
SP352
SPEAKER
SP351
1
98
20
TONE CONTROL
IC301
NJW1173V(TE1)
2
11
19
10
F-13 F-14
SOUND+B
FROM/TO TUNER/DVD IN/OUT/
COMB FILTER
6
5
4
SDA
TV_A_MUTE
TV_POWER_H
2
1
SOUND_GND
SCL
SW_AUDIO_OUT_L
SW_AUDIO_OUT_R
7
8
9
P.CON+8V
10

Hi-Fi/DEMODULATOR
IC5501 LA72670BM-L-MPB-E
80
78
49
38
57
40
37
27
26
24
51
4
6
HIFI_H.SW
SIF
VCR_A_MUTE
SCL
SDA
ST_SELECT
HF2
HF_COM
FSC
HF1
Y/C_AUDIO
NORMAL_A
IN/OUT
MICON
Y/C/AUDIO/
HEAD AMP
15
3
46
P.CON+9V
P.CON+5V
INPUT SW
AMP
AMP
OUTPUT
SW
PNR
BPF
FM LIM
DEM
BLOCK
AMP
AMP
AGC
LOGIC
VCO-FO
ADJ
LOGIC
32
DBX
NOISE
REDUCTION
L/R
MIX REC
LPF VCO
12
74
Hi-Fi/DEMODULATOR BLOCK DIAGRAM
DVD_AUDIO_L
DVD_AUDIO_R
REGULATOR
7
69 FRONT_A_IN_R
FRONT_A_IN_L
AUDIO_OUT_L
AUDIO_OUT_R
TUNER/DVD IN/OUT/
COMB FILTER
F-15 F-16
71
9
39
DTV AUDIO L
DTV AUDIO R
54
23 HIFI_ENV_DET
TUNER/DVD IN/OUT/
COMB FILTER

TUNER/DVD IN/OUT/COMB FILTER BLOCK DIAGRAM
F-17 F-18
ZERO
3
AUDIO R
4
CVBS
12
Y8
C(CVBS)
10
DVD RESET
2
FROM/TO DVD CP8002
P.CON+8V
10 SW_AUDIO_OUT_R
9
SW_AUDIO_OUT_L
8
SCL
7
SDA
6
FROM/TO SOUND AMP/ SURROUND CP301
TV_A_MUTE
5TV_POWER_H
4
D_P.CON+2.6V
1
ASIC+1.8V
5
AVCC+9V
19
IF AGC
22
AUDIO-R18 AUDIO-L
17
SIF/2ND_CVBS
16
Pb OUT
15
Y OUT
14
Pr OUT
13
SPDIF OUT
20
I2C_CLK
11
I2C_DATA10
MESSAGE_REQ
6
DTV_RESET
12 FROM/TO DIGITAL CP2403
P.CON+6V
6
P.CON+A5V7
P.CON+3.8V
8
TX
3
RX
4
FROM/TO DVD CP8001
SSCRXD
12
SSCTXD
13
P.CON+3.8V
9
SPDIF11
P.CON+5V_D
P.CON+6V_D
Q8001
P.ON SW
19
TU001
18
20179
1
1115 16
14
1312
AUDIO L6
D_P.CON+2.6V
P.CON+5V_C
D_P.CON+3.3V
7
ACIC+1.8V
P.CON+9V
P.CON+3.3V
2D_P.CON+5V
P.CON+5V
AT+30V
DTV_AUDIO_L
DTV_AUDIO_R
AUDIO_OUT_R
AUDIO_OUT_L
SIF
IF OUT1
24
IF OUT2
25
RX
8
TX
9
AFT
21
NC
SOUND_GND
2
SOUND+B
1
REGULATOR
Hi-Fi
DVD_CLK
DVD_RDY
DVD_DATA_OUT
DVD_DATA_IN
TV_POWER_H
DVD_RESET
SCL
SDA
TV_A_MUTE
DVD RESET
DVD-H
AFT_MAIN
DEGI_ST_L
MICON
DVD_C
DVD_Y
DTV_V
DTV_Y
DTV_C(U)
DVD_VIDEO
MONI_CVBS
SOUND_GND
SOUND+B
CHROMA/IF
Y/C/AUDIO/
HEAD AMP
SD-H
27
CVBS_IN
28
MICON DIGITAL AUDIO SW
IC8006
SN74LV4052APW
65
5
3
MIXER
IC8004 NJM4580M(TE1)
7
1
DVD_AUDIO_L
DVD_AUDIO_R
DVD_AUDIO_R
DVD_AUDIO_L
IN/OUT
Q8051~Q8054
MUTE SW
L
R
Q8055
MUTE DET
MONI_CVBS
Hi-Fi
Q1508
BUFFER
1
3
10
SPDIF_MUTE_H
SPDIF_SW
DIGITAL_SELECT
A_TUNER_CVBS
SPDIF-134
IN/OUT
DTV_CVBS
TV
NC
NC