Toshiba MW27H62 User manual

SERVICE MANUAL
DOCUMENT CREATED IN JAPAN, April, 2006 GREEN
COLOR TELEVISION/
VIDEO CASSETTE RECORDER
/
DVD VIDEO PLAYER
MW27H62
FILE NO. 810-200657GR
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.
REV.01

CD4002
CU2B2201
1
10
11
12
13
14
15
2
3
4
5
6
7
8
9
CP8101_3IMSA-9604S-12Z13
1
10
11
12
2
3
4
5
6
7
8
9
3.3V
LEVEL CONVERT
IC4003,IC4004
RDY(I/O(0))/RX
SSCLK/TX
SSCTXD
SSCRXD
SPDIF
1.8V
SDD0~SDD15
SDA0~SDA11
HA0~HA19
HD0~HD15
(VADDIS886)
ZR36886HLCG
MPEG Decoder
W/u-CON
W/DSP
IC4001
W/Video Encorder USB_BIN,_DP
DAC C
DAC B
REG+3.3V/+1.8V
BA00BC0WEP
USB JACK
CP5903
USB BLOCK
5V,BIN,DP
5V
RT9702
IC5901
DVB-H CP5902
FROM/TO TV BLOCK
AT+5V
AT+5V
GND(D)
P.CON+6V
GND(M)
UNREG+3.8V
UNREG+3.8V
P.CON+A5V
GND(A)
GND(D)
M12L64164A-7TG
SDRAM 64M
IC4005
FLASH 16M
SST39VF1601-70-4C-EKE
IC4007
DRVSB
TRACK,FOCUS_PWM
SPINDLE,SLED_PWM
ABCLK
AMCLK
ASDATA0
ALRCLK ZERO
DVD AUDIO L
IC8102
DVD/USB BLOCK DIAGRAM
PCM1753DBQR
STEREO DAC DVD AUDIO R
GND
CVBS
DVD RESET
ZERO
AUDIO-R
AUDIO-L
C
GND
Y
GND
GND
DVD-H (GND)
TIN SW, TOUT SW
CD,DVD,LD
RF_A,B,C,D,E,F
TR+/-,FO+/-
E-2E-1
DM3P(05SD)
DVD LOADER
Spindle Moter
Pick up
SPDL+/-,SLED+/-
Loading Moter
Sled Moter Moter Driver
IC2301
LA6565

CP2403 IMSA‑6029B‑1‑25Z136‑PT1
1
10 11 12 13 14 15 16 17 18
19
2
20 21 22 23 24
25
3 4 5 6 7 8 9
19
ADR/CLK/VREF
8
DQS/CAR/RAS
8
DQS/CAR/RAS
16
DAT
MSGREQ
N16N1
RESETN
TX RX
I2C0CLK
I2C0DATA
PrOUT
YOUT
PbOUT
2ndCVBSOUT
MESSAGEREQ
L2L1
I2C0DATA
I2C0CLK
DTVRESET
G17H17J17K16
2ndCVBSOUT
PbOUT PrOUT
YOUT
T3R2R6T4
IC2405EEPROM
BR24L04F‑WE2
I2C1DATA
+2.6V
+2.6V
+2.6V
+3.3V
ASIC+1.8V
K1L3
I2C1CLK
I2C1CLK
I2C1DATA
+3.3V
+3.3V
CS4345‑CZZ
IC2501AUDIODAC
ZR39640BGCG‑B1
IC2401SDDTVASIC
IC240832MbitNORFLASH
S29GL032A90TFIR40#
CAS‑220/C
IC24028VSB/QAMDEMOD. 16
DAT IC2406128MbitDDRSDRAM
EDD1216AATA‑5B‑E
IC2404128MbitDDRSDRAM
EDD1216AATA‑5B‑E
NCNC
GND
9+5V
IFAGC
IFOUT1 IFOUT2
F/E+1.8V
SPDIFOUT
AUDIOOUTR AUDIOOUTL
RX(DTVMAIN) TX(DTVMAIN) DP.CON+3.3V
DP.CON+5V
DP.CON+2.6V
ASIC+1.8V
GND GND
11
710
2413
T1
9394
80
79
R5
R4
T2
R3
K15
J1
K2
52
54
56
57
61
20
19
M15
U7
12
16
11
WP
WE
ADR
DAT
14
16
RESET
SDDIGITALMODULEBLOCKDIAGRAM
AUDIO‑L AUDIO‑R
SCLK
ADATA
WS
BCLK
SPDIF
F/ERESET
TSDATA
TSCLK
TSFRAME
TSDVALID
+3.3V
F/E+1.8V
IFAGC
IFN IFP
25.000MHz
24.576MHz
X2401
X2402
E
-3
E
-4

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
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
AUX_V[F/R]
TUNER_VIDEO
NORMAL_A
Y/C_AUDIO
6
2
3
1
5Q4505
BIAS CTL
11
4
H.AMP SW/
AUDIO
MUTE
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
E-5 E-6
44
23 52 68 77
P.CON+5V_A REGULATOR

SYSCON/TIMER/SERVO IC
IC1001 OEC7150A
Y/C/AUDIO/
HEAD AMP
DRUM-PWM
CS
KEY-2
KEY-1
DUMMY.V.SYNC
COLOR_ROTARY
77
15
18
13
KEY-A
IN/OUT
VIDEO-H.SW
DRUM FG/PG
90
VCR_A_MUTE 81
73
CHROMA/IF
LDM CTL
20
REMOCON IN
BOT
EOT
3
REEL-T80
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
1CAP FG
4CAP.M F/R
2 1
43
2 1
43
CAPSTAN
DD UNIT
HEAD AMP SW1 16
Y/C_CS
DUMMY_V.SYNC
C.ROTARY
H.SW
VCR_A_MUTE
H.AMP_SW1
VIDEOENV.
V.REC START-H 61
6ENV.DET
V.REC_ST-H
CTL(+) 95
CTL(-) 94
DEGAUSS_H 22
IIC-DATA1
IIC-CLK1 71
72
DEGAUSS_H
SDA
SCL
KEY-B
REMOCON_IN
CTL+
CTL-
TAB SW 50 TAB SW
RESET_L 1
IC1003
PST3231NR
SYSTEM
RESET IC
5
6
EEP ROM IC
IC1099
AT24C08AN-10SU-2.7
S DATA 68
S CLK 70 Y/C_DATA
Y/C_CLK
SCL
SDA
ENV-CMP-IN 17 COMP
REC/OTR LED
28
REC_LED
STEREO SEL 100
HIFI H.SW 19
HIFI ENV 5
ST_SELECT
HIFI_H.SW
HIFI_ENV_DET
SDA
SCL
VCR_A_MUTE
V.REC_ST_H
HI-FI/
DEMODULATOR
MICON BLOCK DIAGRAM
DVD DATA IN66
DVD CLK X1001
12MHz X-OUT (12MHz)
X-IN (12MHz)
38
39
DVD CLK67
DVD RESET48
DVD RESET
T-REC LED
29
T-REC_LED
DVD DATA IN
DVD IN/OUT
4
X1002
32.789KHz
XC-OUT
XC-INI 35
36
CENTER LED
69
Q1024
LED DRIVER
CENT LED
D1001
10 LDM CTL
CP101
CHROMA/IF
H/C-SYNC
G
OSD OUT1 60
62
63
B
V-SYNC 59
48 H.SYNC
OSD_G
OSD_Y
OSD_B
V.SYNC
TV_POWER_H
TV_A_MUTE 82 SCL
TV_A_MUTE
ROSD_R
SDA
64
2CAP VCO
8LD/CY_VCO
AT+12V
REGULATOR
REGULATOR
DVD DATA OUT
10
9
14
34
DVD DATA OUT
65
CVIN 56
TV_POWER 30
TV_POWER_H
VCR_A_MUTE
Y/C_VIDEO
SOUND AMP/
SURROUND
IN/OUT
PROTECT 25 PROTECT
TV
SW1001
E-7 E-8
X_RAY/EO REAK 8X_RAY
AFT (MONI) 7AFT
DIGITAL
COMB FILTER
SCL
SDA
MS SEN-B
2
MS SEN-A
1
MS_SEN A
Q1009
MS_SEN B
Q1003
2
34
12
34
1
AT+5V
DVD POWER ON-H
DVD_H 47
P.CON+5V_C
VCC
37
BACKUP+5V
POWER FAIL_L
85
POWER_FAIL
VCR_POWER
27
VCR_POWER_HREGULATOR
Q1002
BUFFER
TV
VCR_POWER_H
CHROMA/IF
Q1007
SW
1
3
2
Q1005
DTV RESET
31

IN/OUT BLOCK DIAGRAM
E-9 E-10
PLAY
CH.DOWN
REC/OTR
CH.UP
STOP/EJECT
OS2201
1
MICON
REC/OTR
LED D2205
REC LED SW
Q2201
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
MONI_CVBS
FRONT VIDEO JACK
J2202
FRONT AUDIO L JACK
J2203
FRONT AUDIO R JACK
J2204
DIGITAL
COMB FILTER
HI-FI/DEMODULATOR
2
D AUDIO
DRIVER
Q4203 AUDIO IN/COAXIAL
J4204
SPDIF_134
TUNER/COMB
AT+5V
P.CON+5V_C
REGULATOR
2
2
2
6
4
3
2
6
FRONT S IN
J2201
3
4
YUV IN
J4202
5
3
2
9
3
5
17
15
20
10
12
11
13
31
30
28
30
28
IC4201
AV SW
AN15853B-E1
SWD_A_IN_R
SWD_A_IN_L
CHROMA
Y_OUT
C_OUT
BUFFER
Q4202
Y_IN
U_IN
V_IN
MONI_CVBS
2
3
4

CHROMA/IF BLOCK DIAGRAM
E-11 E-12
CHROMA_ IC
IC601
LA76327M-A
19
23
6
8
14
57
56
60
MOTOR+12V
REGULATOR
35
AT+5.7V REG
X601
3.579545MHz
51
54
55
59
50
40
32
7
30
25
P.CON+8V
16
15
36 P.CON+5V
4
13
21
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
Q602
PROTECT
G.OUT
CUT OFF
FROM TO CRT/SVM
CP802
6
5
4
VM_OUT
CLAMP OFF
B.OUT
3
1
R.OUT
NC
7
8
ACL
V.OUT
FROM TO DEFLECTION
CP602
6
5
4
P.CON+5V
H.OUT
EW.OUT
3
2
1
AFC
TV_POWER_H
X-RAY/EMERGENCY
7
8
9
+B DOWN
TV_POWER_H
X-RAY
Q606
SW
PROTECT MICON
10
12
VCR_POWER_H
TV
REGULATOR
Q603
10V_REG
Q604
UM_OSD_SW
44
DVD_Y
40
DVD_C
28 29 30
DTV_Y
DTV_C
DTV_V
REAR_Y/U/V_H
P_CON+5V
Y_IN
U_IN
V_IN
MICON
DIGITAL
COMB FILTER
DVD IN/OUT
MICON
Y/C/AUDIO/
HEAD AMP
DVD IN/OUT
MICON
REGURATOR
IN/OUT
SWD_U
SWD_V
SWD_Y
YUV SW
IC702
8
16
11
12
13
9
7
14
3
5
6
IN3A
CTL
IN2A
IN1A
VCC
IN3B
IN1B
IN2B
OUT1
OUT2
OUT3

11 8 25
SOUND AMP IC
IC351 AN17808B
127
SOUND AMP/SURROUND/REGULATOR BLOCK DIAGRAM
SPEAKER
SP352
SPEAKER
SP351
10
E-13 E-14
1SOUND+B
2 SOUNG_GND
4
5TV_POWER_H TV_A_MUTE
6SDA
7 SCL
FROM/TO
DEFLECTION
3GND
8 SW_AUDIO_OUT_L
9SW_AUDIO_OUT_R
10 P.CON+8V
1
98
20
SURROUND-IC
IC301
NJM1173
3
11
19
24
IC3601
BA00BC0WFP
12
IC3603
LA5774-E
IC3602
24
6P.CON+2.6V
3 P.CON+3.3V
1
7F/E+1.8V UNREG+5V
2ACIC+1.8V
(REGURATOR PCB)

HI-FI DEMODULATOR IC
IC5501
LA72670BM-L-MPB-E
80
78
39
38
49
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+12V
P.CON+5V_A
INPUT SW
AMP
AMP
OUT SEL
R_CH PNR
R_CH BPF
LIM
DEM
BLOCK
PB
PB
AGC
LOGIC
VCO-FO
ADJ
LOGIC
32
DBX
NOISE
REDUCTION
L/R
MIX REC
LPF VCO
12
74
Hi-Fi/DEMODULATOR BLOCK DIAGRAM
DVD_A_OUT_L
DVD_A_OUT_R DVD IN/OUT
REGULATOR
7
69 SWD_A_IN_R
SWD_A_IN_L
AUDIO_OUT_L
AUDIO_OUT_R
TUNER/COMB
E-15 E-16
9
71
DTV AUDIO L
DTV AUDIO R

TUNER/DIGITAL COMB FILTER/DVD IN/OUT BLOCK DIAGRAM
E-17 E-18
1
3
5
DIGITAL
AUDIO SW
IC8006
AUDIO OUT L DVT C(U)
FROM/TO SD DIGITAL PCB CP001
11 10 18
IIC DATA IIC CLOCK
AUDIO OUT R
17 13 15
DTV V IF OUT1 IF OUT2 F/E 1.8V
24 25 21
ACIC+1.8V5 DTV Y14
20 SPDIF OUT
D.P.CON+2.6V1
7 D.P.CON+3.3V
UNREG+5V ACIC+1.8V
FROM/TO REGURATOR PCB CP002
7 1 2
F/E+1.8V
P.CON+3.3V3
6 P.CON+2.6V
10 9 19
TU001
ENG36A49KF
20 13
LEVEL SHIFT
Q010
LEVEL SHIFT
Q004
COMB_FSC CHROMA/IF
REGULATOR
COMB FILTER IC
IC1501
LA76605M-TLM-E
16 14
56
18
11
BUFFER
Q1501
BUFFER
Q1503
P.CON+5V
P.CON+12V
BUFFER
Q1502
P.CON+9V
UNREG+5V
MONI_CVBS
COMB_Y CHROMA
BUFFER
Q1508
COMB_C
MIXER IC
IC8004
NJM4580M
8
3
5
1
7
DVD_A_R
DVD_A_L
DVD_AUDIO_R
DVD_AUDIO_L
SPDIF
DVD IN/OUT
HiFi/DEMO
DTV AUDIO L
DTV AUDIO R
DTV CVBS Y/C/AUDIO/
HEAD AMP
MICON P.CON+9V
UNREG+5V
SPDIF-B4IN/OUT
DTV V
DTV U
DTV Y
CHROMA
BUFFER