Toshiba MW24F52 User manual

SERVICE MANUAL
DOCUMENT CREATED IN JAPAN, May, 2006 GREEN
COLOR TELEVISION/
VIDEO CASSETTE RECORDER
/
DVD VIDEO PLAYER
MW24F52
FILE NO. 810-200641GR
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.

DVD BLOCK DIAGRAM
FLASH 16M
IC4007
SST39VF1601-
70-4C-EKE
MPEG/MICON/DSP/RF_AMP/HDMI
IC4001
ZR36886HLCG
64M SDRAM
IC4005
M12L64164A-7TG
Pick up
Loading Motor
Spindle/ Sled Motor
DVD LOADER DM3S
MOTOR DRIVE
IC2301
LA6565VR-TLM-E
DVD/CD, DVD_LD, CD_LD, VC
DVD IN/OUT CD4002
TR+/–, FO+/–
SPDL+/–, SLED+/–
SPINDLE, SLED_PWM
TRACK, FOCUS_PWM
SPDL_SENS+/–
HA0~HA20, HD0~HD15 SDA0~SDA11
STEREO DAC
IC8102
PCM1753DBQR DVD AUDIO R
DVD AUDIO L
DAC_B, C, D
REG+3.3V
IC4003
BA00BC0WFP-E2
LD+/–
HOME, TIN SW, TOUT SW
DVD_H
3
5
C (CVBS)
Y11
12
DVD RESET
CVBS 1
TX
13
8
9
SPDIF
P.CON+6V
P.CON+A5V 10
6
5
RX
P.CON+3.8V 11
3.3V
DVD IN/OUT CP8101
E-1 E-2
RF, A, B, C, D, E, F , DVD/CDPD
MD, MC, ML ASDATA0, AMCLK, ABCLK, ALRCLK
AUDIO-L
AUDIO-R 7
9
10
ZERO
SDD0~SDD15
DRVSB, TRAY_OPEN/CLOSE
REG+1.8V
IC4004
BA00BC0WFP-E2
POWER SW
IC5901
RT9702-PB
AT+5.2V 2
1
P.CON+3.8V
AT+5.2V
+5V 1 USB_DP 2
3
USB_DN
USB CONNECTOR CP5903

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 3
2
1
AE HEAD(+)
AE HEAD(-)
CTL-
CTL+ CTL-
Y/C/AUDIO/HEAD AMP IC IC4501 LA71205M-MPB 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
AUX_V[F/R]
TUNER_VIDEO
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/
DEMODULATOR HF_COM
COIL, BIAS OSC
X4501 3.579545MHz
VX01
50 49
PULL
41
Q4507
BUFFER
DIGITAL COMB/FILTER
MICON
Hi-Fi/ DEMODULATOR
80
SERIAL
DECODER
VCR_A_MUTE
V.REC_ST_H
LPF
ALC DET
PR
MICON MICON
VIDEO OUT
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
DVD_VIDEO
FSC
26
Y/C_VIDEO
Q4511
BUFFER
DVD IN/OUT
Q4506
AMP
Y/C_VIDEO
V SYNC CHROMA/IF
P.CON+5V REGULATOR
E-3 E-4

SYSCON/TIMER/SERVO IC IC101 OEC8078A
Y/C/AUDIO/ HEAD AMP
DRUM PWM
MS SEN-B
Y/C CS
KEY-B
KEY-A
DUMMY.V.SYNC
C_ROTARY
34 82
98
23 24
KEY-A
IN/OUT
H.SW
CYL SPEED UP
58 CYL_FG/PG
65
VCR.A.MUTE 54
12
CHROMA/IF
LDM CTL78
REMOCON IN
BOT EOT
84
REEL-T3
REEL-S
4
REEL SENS Q107
AT+5V
BOT SENSOR Q101 EOT SENSOR
Q103
REEL SENS Q108
P.CON+5V_C
11 CYL FG/PG
12 CYL DRIVE
CAP PWM
33
CAP LIMIT
21
CAP FULL
32
FGF
67
CAP_F/R
64
5 9I LIMIT
CAP CTL
1CAP FG
4CAP.M F/R
2 1
4 3
MS SEN-A
83
2 1
4 3
MS_SEN A Q105
MS_SEN B Q104
2
34
12
34
1
CAPSTAN
DD UNIT
AT+5V
H.AMP SW1 99
Y/C_CS
DUMMY_V.SYNC C.ROTARY
H.SW
VCR_A_MUTE
H.AMP_SW1
ENV.DET
V.REC START-H 93
89 ENV.DET
V.REC_ST-H
CTL(+) 74
CTL(-) 75
AFT 85
DEGAUSS 60
SDA
SCL 18
17
DEGAUSS_H
SDA SCL
KEY-B
REMOCON_IN
AFT
CTL+ CTL-
TAB SW 97 TAB SW
RESET 1
IC103 PST3231NR
SYSTEM
RESET IC
5 6
EEP ROM IC IC199 AT24C04N-10SU-2.7
Y/C DATA 13
Y/C CLK 11 Y/C_DATA
Y/C_CLK
CVN2 50 Y/C VIDEO
SCL SDA
COMP 100 COMP
REC/OTR LED EXT_A_MUTE
91
9
EXT_MUTE
6
REC_LED
EXT_A_MUTE
EXT_MUTE
ST SELECT 87
HIFI H.SW 26
HIFI ENV 88
ST_SELECT HIFI_H.SW HIFI_ENV
SDA
SCL VCR_A_MUTE
V.REC_ST_H
Hi-Fi/DEMODULATOR
VCR_POWER_ON-H
92
VCR_POWER_H
POWER FAIL 1POWER FAIL
MICON BLOCK DIAGRAM
RX15
TX
X101 32.768KHz X0
XI
40 41
TX16
DVD RESET95
DVD RESET
T-REC LED
90
T-REC_LED
RX
DVD IN/OUT
79
X102 14.31818MHz
OSC0
OSCI 38
37
CENT_LED_CTL
29
Q102
CENT LED SW
CENT LED D101
10 LDM CTL
CP101
CHROMA/IF
HSYNC
G
BLK 59
63 62
B
VSYNC 45
46 H.SYNC
OSD_G
OSD_Y
OSD_B
V.SYNC
TV_POWER_H
TV_MUTE 20 SCL
TV_A_MUTE
ROSD_R
SDA
61
2 CAP VCO 8LD/CY_VCO
AT+12V
REGULATOR
REGULATOR
REGULATOR
AV_SW1
7
AV_SW1
81
80
5
25
AV_SW2
35
AV_SW1 Q116
AV_SW
AV_SW2
DIGITAL COMB/FILTER
CVIN 49
TV_POWER_ON-H 56
TV_POWER_H
VCR_A_MUTE
VIDEO OUT
SOUND AMP/ SURROUND
IN/OUT
PROTECT 94 PROTECT
TV
DIGITAL COMB/FILTER
SCL
SDA
P.CON+5V_C
SW101
DVD_H
27
DVD_H
DVD_H
BUFFER
Q114
EMERGENCY EMERGENCY
86
TV_POWER_H
E-5 E-6

PLAY
CH.DOWN
REC/OTR
CH.UP
STOP/EJECT
OS2201
1
MICON
REC/OTR
LED D2205
REC LED SW
Q2201
Q4212
MUTE SW
Q4202 Q4201
Q4203
Q4211
BUFFER
SW_AUDIO_OUT_R
EXT_A_MUTE
SOUND_R+
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
VCR_A_MUTE
MUTE SW
CH MUTE
MUTE SW
REAR OUT JACK
J4202
HEADPHONE JACK
J2201
SOUND_L+
SP_OUT_R
SP_OUT_L
Q4210
MUTE SW
EXT_MUTE JACK_OUT
REAR IN JACK
J4201
FRONT_V_IN
REAR_A_IN_L
REAR_A_IN_R
REAR_V_IN
FRONT VIDEO JACK
J2202
FRONT_A_IN_L
FRONT AUDIO L JACK
J2203
FRONT_A_IN_R
FRONT AUDIO R JACK
J2204
MICON
SOUND AMP/ SURROUND
DIGITAL COMB/FILTER
Hi-Fi/DEMODULATOR
2
ZERO SW
Q4204
D AUDIO
DRIVER
Q8002 COAXIAL
J8007
ZERO
SPDIF_134
DVD IN/OUT
AT+5V
P.CON+5V
P.CON+8V
REGULATOR
2 3 5
3 4 2 6 5 7
2 2
2
6 4 3 2
2
SW_AUDIO_OUT_L
E-7 E-8

3
1
CHROMA/IF_ IC IC601 LA76324NM-MPB-E
19 23
6
10 14
57 56
60
MOTOR+12V
8.5V REG
REGULATOR
CHROMA/IF BLOCK DIAGRAM
35
AT+5.7V REG
X601
3.579545MHz
51
54
55
59
50
40
MICON
32
7
30
25
P.CON+8V
16
15
36 P.CON+5V
11
5
13
21
10V_REG. IC602 KIA78L10F-RTF
OSD_Y
OSD_R
OSD_B
OSD_G
SCL
V.SYNC
SDA
H.SYNC
SW_C
COMB FSC
Y/C_VIDEO_Y
DVD_Y/C-Y
V.SYNC
DIGITAL
COMB/FILTER
DVD IN/OUT
Q602
PROTECT
G.OUT
CUT OFF
TV CP603
6
5 4
CLAMP OFF
B.OUT
3
1
R.OUT
ACL
V.OUT
TV CP602
4 3
2
1
AFC
TV_POWER_H
TV_POWER_H
EMERGENCY
MICON
Q606
SW
PROTECT MICON
Y/C/AUDIO/
HEAD AMP
6
P.CON+5V
H.OUT
EMERGENCY
7
8
9
+B DOWN
REGULATOR TV
5
EW.OUT
12
E-9 E-10

IN/OUT
2
5968
SOUND AMP IC IC352 AN7522N
SOUND_L+ SOUND_R+
1012 4
SP_OUT_R SP_OUT_L
SOUND AMP/SURROUND BLOCK DIAGRAM
SPEAKER
SP352
SPEAKER
SP351
TV_POWER_H
SCL
TV_A_MUTE
SDA
P.CON+8V
30
18 17
31
SURROUND_IC
IC302
AN5891SA-E1V
19
3
16
SW_AUDIO_OUT_L SW_AUDIO_OUT_R SW_AUDIO_OUT_R SW_AUDIO_OUT_L
MICON
REGULATOR
IN/OUT DVD IN/OUT
1
SOUND +B
TV
E-11 E-12

Hi-Fi/AUDIO/HEAD AMP/DEM IC IC5501 AN3663FBP
57
14
53
27
42
9
29 30
59
36
48
56 43
28
24 21 22
45
62
61
HIFI_H.SW
TUNER_AUDIO
VCR_A_MUTE
V. REC_ST-H HIFI_ENV SCL SDA ST_SELECT
REAR_A_IN_L REAR_A_IN_R
HF2
HF_COM
FSC
HF1
Y/C_AUDIO
NORMAL_A
IN/OUT
MICON
Y/C/AUDIO/
HEAD AMP
51 58
40
P.CON+12V
P.CON+5V
INPUT SW
AMP AMP
RFC
OUTPUT
SW
PNR
BPF
FM LIM
DEM
BLOCK
AMP AMP
AGC
LOGIC
VCO-FO
ADJ
LOGIC
25
DBX
NOISE
REDUCTION
L/R
MIX REC
LPF VCO
4
2
Hi-Fi/DEMODULATOR BLOCK DIAGRAM
1
3
DVD_A_OUT_L DVD_A_OUT_R DVD IN/OUT
REGULATOR
15
10 FRONT_A_IN_R
FRONT_A_IN_L
AUDIO_OUT_L AUDIO_OUT_R
NC
DIGITAL COMB/FILTER
E-13 E-14

MICON
Y/C_VIDEO-Y
SW_C
DIGITAL COMB/FILTER BLOCK DIAGRAM
AV_SW1
AV_SW2
DVD_Y/C-C
DVD_VIDEO
JACK_OUT
AUX_V[F/R]
Y/C_VIDEO
REAR_V_IN
FRONT_V_IN
REGULATOR
CHROMA/IF
COMB FILTER IC
IC1501
LA76606M-TLM-E
18 16
65
3
11
AV SW IC
IC1502 MM1501XNRE
2
6 1
43
AV SW IC
IC1504 MM1501XNRE
2
6 1
43
VIDEO OUT SW IC
IC1505 MM1504XNRE
2
6 1
43
BUFFER
Q1501
COMB_FSC
BUFFER
Q1503
P.CON+5V
P.CON+12V
BUFFER
Q1502
DVD IN/OUT
Y/C/AUDIO/ HEAD AMP
IN/OUT
P.CON+8V
310 11
TU001 115-V-KA35ARH
12 14 15 17
SCL
SDA
TUNER_AUDIO Hi-Fi/DEMODULATOR
TUNER VIDEO
AFT
AT+30V
Y/C/AUDIO/
HEAD AMP
E-15 E-16

DVD IN/OUT BLOCK DIAGRAM
6
1
4
AUDIO SW IC IC8001 MM1501XNRE
TX
REGULATOR
DVD CP8001
5
6
8
9
10 11
13
TX
RX
P.CON+6V
P.CON+A5V
DVD+3.8V
DVD+3.8V
SPDIF
DVD CP8002
2
3
4
6
8
10
DVD_RESET
ZERO
AUDIO-R
AUDIO-L
Y
C (CVBS)
12 CVBS
RX
P.CON+6V_DH
P.CON+5V_D
DVD+3.8V
SPDIF-134
DVD_RESET
2 3
5
3
MIXER IC IC8004 NJM4580M(TE1)
7
1
6
1
4
AUDIO SW IC IC8002 MM1501XNRE
2 3
Q8006, Q8007
ZERO MUTE SW
IN/OUT
AUDIO_OUT_L AUDIO_OUT_R
DVD_A_OUT_L
DVD_A_OUT_R
P.CON+12V
AV SW1
DVD_Y/C-Y DVD_Y/C-C
DVD_VIDEO
CHROMA/IF
Y/C/AUDIO/ HEAD AMP
ZERO
Hi-Fi/ DEMODULATOR
DVD_VIDEO
SW_AUDIO_OUT_L
SW_AUDIO_OUT_R
MICON
DIGITAL COMB/FILTER
SOUND AMP/ SURROUND
1 2
5V (USB)
5V (USB)
USB+5V
1DVD_H
DVD_H
E-17 E-18