SERVICE MANUAL
COMBINATION 21" FLAT TV
AND VIDEO CASSETTE
RECORDER/DVD VIDEO PLAYER
TELE TEXT
DOCUMENT CREATED IN JAPAN, June, 2005
VTW21FQR
FILE NO. 810-200551
DVD BLOCK DIAGRAM
FLASH 8M
IC4007
SST39VF800A-70-4C-EKE
MPEG/MICON/DSP/RF_AMP
IC4001
ZR36862PQCG
16M SDRAM
IC4008
K4S161622H-UC60
Pick up
Loading
Motor
Spindle/
Sled
Motor
DVD LOADER
DM3P
MOTOR DRIVE
IC2301
LA6565-TE-L-E
DVD_CD, DVD_LD, CD_LD, VC
TV BLOCK
CD4002
TR+/–, FO+/–
SPDL+/–, SLED+/–
SPINDLE, SLED_PWM
TRACK, FOCUS_PWM
ADC IN 5, 6, 7
DRVSB
HA0~HA19,
HD0~HD15
SDA0~SDA10
I CDAT
2
I CCLK
2
STEREO DAC
IC8102
PCM1753DBQR
DVD AUDIO R
DVD AUDIO L
DAC_B, C, D
SDD0~SDD15
EEPROM
IC4002
BR24L02F-WE2
REG+3.3V/1.9V IC
IC4003
BA33E00WHFP-TR
LD+/–
HOME, TIN SW, TOUT SW
DVD_H
3
5
DVD C
DVD Y
11
12
DVD RESET
CVBS
AUDIO-L
AUDIO-R
1
7
9
UNREG+3.8V
TX
11
6
7
SPDIF
P.CON+9V
P.CON+A5V
8
4
3
RX
UREG+3.8V
9
1.9V
3.3V
TV BLOCK
CP8101
10
ZERO
16M SDRAM
IC4009
K4S161622H-UC60
OPE-AMP
IC2304
BA10358FV-E2
VR_DVD, VR_CD
RF, A, B, C, D, E, F
VR COM, PD
MD, MC, ML
ASDATA0,
AMCLK,
ABCLK,
ALRCLK
F-1
F-2
Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM
91
90
H.AMP
8
9
SCL
SDA
H_SW
73
74
80
83
ENV. DET
V.REC_ST-H
ENV
DET
HPF
1
6
5
AE HEAD (–)
AUDIO REC
AUDIO PB
CP4505
HEAD AUDIO
CONTROL
96
Q4505~Q4507
PB SW
MICON
1
3
6
5
DVD_VIDEO
PRE
AMP
98
REC
EQ
VCA
P
R
P
R
2MLPF
P/Q EQ
R
40
Y/C/AUDIO/CCD/HEAD AMP IC
IC4501 HA118225F
OSC
Q4502
NORMAL A.
REC ST SW
Q4501
D_V_ SYNC
MICON
NORMAL_A
1
86
87
SUB
LPF
COIL, BIAS OSC
L4503
TU_VIDEO
CYL
HF2
HF_COM
HF1
3
2
1
EP/LP-CH1 (R)
EP/LP_COM
EP/LP-CH2 (L)
CP4501
4
5
6
7
8
9
SP-CH1 (R)
SP_COM
SP-CH2 (L)
HF1 (R)
HF_COM
HF2 (L)
2 AE HEAD (+)
2
FE HEAD (GND)
CP4503
1
FE HEAD (HOT)
REAR_V_IN
89
85
C_SYNC
REC
MUTE
MAIN
DE-EM
FM
AGC
629
TRAP
69
71
X4501
4.433619MHz
XTAL VCO/OSC
P
REC
Fillter
NL
E MPH
DEM
HPF
DLIM
DEM0
P
R
Y-LPF
N.L
DE-EM
33 35
GCL
37
GCL
LPF
38
Y CCD
49
51
36
YLR
REC+DO
DO
29
V AMP
SQUELCH
Clear
SYNC
V FBC/
VALC
P
R
28
V FBC/
VALC
23
26
GCL
ACC
R
P
CLPF1
FH HPF
CT1 Trap
REC Trap
HiFi Trap
C-DL
R
P
Main
Conv1
R
P
LPF
Trap
R
P
Main
Conv2
BPF
Pilot
Erase
B.D.
NP-
CONV
C.K.
45
46
57
55
CCD
LPF
CCD
VCA
17
21
19
R
P
C LPF2
CK
R
P
L-DET
42
43
77
MESECAM-M
82
31
15
FRONT_V_IN
T'TEXT/ Hi-Fi/
SOUND AMP
T'TEXT/ Hi-Fi/
SOUND AMP
DEMODULATOR/
21PIN/NICAM
TV
Y/C AUDIO
Q4607
AMP
6
LINE
AMP
DVD
NC
NC
NC
Y/C VIDEO
T'TEXT/Hi-Fi/
SOUND AMP
Q4606
BUFFER
F-5
F-6
DEMODULATOR/21PIN/NICAM BLOCK DIAGRAM
21_Y
Q4201, Q4202
BUFFER
TU_AUDIO_MUTE_H
EXT_IN_L
21_B
21_R
21_G
TV
MICON
2
6
1
3
J4201
8
7
11
16
20
15
19
Q4205
MUTE SW
Q4207
PERI SW
Q4210
SW
TUNER ON/OFF
REAR_V_IN
REAR_A_IN_L
JACK_VIDEO
TV
Q4211
MUTE SW
REAR_A_IN_R
2
3
2
2
J2204
J2203
J2202
FRONT_A_IN_R
FRONT_A_IN_L
FRONT_V_IN
3
2
J8007
5
Q4206
MUTE
Q4214
MUTE
D AUDIO
DRIVER
Q4204, Q4213
MUTE SW
MONITOR_A_L
MONITOR_A_R
SPDIF-134
2
1
3
AMP
IC4201
NJM4580M
(TE1)
-
+
6
7
MUTE SW
DVD_AUDIO_L
DVD_AUDIO_R
ZERO
DVD
5
DVD_A_OUT_R
DVD_A_OUT_L
T'TEXT/Hi-Fi/
SOUND AMP
T'TEXT/Hi-Fi/
SOUND AMP
DVD
T'TEXT/Hi-Fi/
SOUND AMP
Y/C/AUDIO/
HEAD AMP
SOUND_L
SOUND_R
R
L
SW
IC4205
MM1501XNRE
SW
IC4204
MM1501XNRE
SDA
SCL
MICON
Q4208
Q4209, Q4212,
Q4215, Q4216
MUTE
Q4203
13
NICAM OR G-STEREO
IC6602 MSP3415G -QG-B8
12
30
31
40
41
27
26
2
22
SC1_OUT_L
ANA+IN
SC1_OUT_R
SC1_IN_L
SC1_IN_R
DACM_L
DACM_R
SCL
SDA
RESETQ
TU_SIF
NICAM_RESET
SOUND_A_R
SOUND_A_L
+
-
F-9
F-10
T'TEXT/Hi-Fi/SOUND AMP BLOCK DIAGRAM
TV
20
Y/C/AUDIO/
HEAD AMP
23
27
30
29
28
24
32 19
Q1253
SYNC BUFFER
Y/C_VIDEO
TEXT_SYNC
5
3
16
11
8
1
14 9
2
6
7 12
Q1262
BLK BUFFER
OSD_R
SW_OUT_Y
SDA
SCL
TEXT_RESET
OSD_G
OSD_B
OSD_Y
MICON
6
8
7
19
20
9
T'TEXT IC
IC1201 ET-TVT0310A/Q
TRIPLE ANALOG MPXER IC
IC1202 MM1231XF
21
22
35
Y/C_AUDIO
NORMAL_A
HF1
37
36
42
HF_COM
HF2
44
43
41
HF_ENV
VCR_A_MUTE
HF_H.SW
2
3
Y/C/AUDIO/
HEAD AMP
MICON
FRONT_A_IN_L
FRONT_A_IN_R
REAR_A_IN_L
REAR_A_IN_R
DVD_A_OUT_L
DVD_A_OUT_R
DEMODULATOR/
21PIN/NICAM
Q306
MUTE
HI-FI/AUDIO/CANAL SW IC
IC5501 TDA9605H
M.P.OFF_H
OUT1
OUT2
OUT3
IN1B
IN2B
IN3B
IN1A
IN2A
IN3A
SW1
SW2
SW3
RED
GREEN
BLUE
BLANK
VIDEO IN
SAD
SCL
STANDBY
RSTB
SYNC
MONITOR_A_L
MONITOR_A_R
TV
L
R
AUDIO SW
IC5502
MM1501XNRE
AUDIO SW
IC5503
MM1501XNRE
1
2
7
SP351
SPEAKER
J2201
HEAD PHONE JACK
4
6
1
9
5
SOUND AMP IC
IC353 AN7522N
TV_POWER_H
VOL_CTL
2
8
R
10
12
L
SP353
SPEAKER
5
3
SOUND_R
SOUND_L
Q305
MUTE
TV_A_MUTE
SOUND+B
Q301
MUTE
MICON
TV
D351
SW_OUT_R
SW_OUT_G
SW_OUT_B
10
11
SOUND_A_L
SOUND_A_R
F-11
F-12
CMD014A
CCD008A
CED031A
CED032A
R430
C414
R417
R416
R419
C412
IC401
R450
D413
D411
C421
C408
CP852A
D407
R490
R406
R412
R403
R448
R460
L402
R447
C422
L401
CP402
C423
HS402
T401
C418
D403
D404
R456
R402
Q401
C405
R413
R407
R405
D406
R424
R421
R420
R415
R409
R411
HS401
C413
W034
TP401
Q405
C1701_1
L1701
TH1701
RY1701
C1732
HS1701
F1701 FH1701
FH1702
D1702
D1704
D1701
D1703
C1705
IC1701
R1730
D1723
D1708
R1711
C1716
R1701
R1723
IC1704
C1720_1
R1722
R1714
R1735
R408
C1728
C1717
R1706
D1719
C1733
C1713
C1734_1
C1729
C1719
C1709
C431
C450_1
D1721
B1701
FB401
C429
R1707
Q406
C430
S1706
CP1702
CP1704
S1705
R1704
Q1703
R425
R401
W032
R404
R429
D1706
Q1705
R1705
R1728
HS3602
R1734
C1730
D1720
C1712
C1731
C1723
R3616
R3617
Q3609
R3620
Q3611
R3618
R3619
W025
W827
D3602
C3612
W026
W020
W019
W803
VR1701
R1727
R1721
C1710
D1712
R1732
R1729
D1725
W817
W008
W045
Q3605
R3601
R3604
R3622
R3621
Q3606
Q3602IC3602
SW2251SW2252
SW2253
SW2254
SW2255
SW2256
SW2257
SW2258
R2257
R2256
R2255
R2254
R2253
R2252
R2251
W023
Q3601
Q3603
R3605
C3605
C3602
R3602
R3603
R3606
C3613_1
W821
R3607
C3608
C3609
R3613
C3607_1
Q3607
R3610
R3611
IC3603
R3615
IC3601
C3603_1
C3604
R3609
C3606
W018
W819
J801
C802
CP806
R804
R806
R802
CP801
R805
R803
R807
Q805
Q804
Q806
D802
D801
D803
CP852B
R801
Q801
Q803
R814
D805
D804
D806
Q802
R816
C810
C803
R815
R809
R811
R810
C809
R817
R813
R818
R819
C811
W047
S1704
S1703
TP022
TP023
TP024
R1736
C1706
C1707
W004
W046
W042
W814
W841
VR401
VR402
W038
W029
D1715
T1701
R1725
C1726
C3610
C1703
C1704
C1715
C1735
C424_1
C432
D1709
Q1706
CP401
SW1702
C404
C403
W043
W040
CD2251
C1721
R3608
R3612
R3614
C1718
W003
R1703
R808
R821
R820
L802
L803
L801
R3623
R812
W022
R3624
W017
W041
W044
W013
W014
HEATER
AFC
E180
E8
E12
E27
+B
COL
GND
GND
ABL
HS3603
W024
D1713
W021
C417
W033
R1719
W007
W002
W804
W812
W818
C3601
W016
C1724
Q3608
C402
CP3601
CP3602
D1716
D1717
R422
R1712_2
CP853B
C3611
D1727
R426
W037
W006
CP3603
C1722
C3615
W036
W823
C3614
W825
W833
W808
W849
CD1704
CD504
W028
C1727
S801Y
S801X
D401
D402
S1701
S1702
CD1701_2
C3616
W009
PRINTED CIRCUIT BOARDS
MAIN/CRT/OPERATION/POWER SW
SOLDER SIDE
G-7
G-8