A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
R5506
39K
+-1%
IC5501
TDA9605H
HI-FI/AUDIO/
CANAL SW IC
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
29
3
30
31
32
33
34
35
36
37
38
39
4
40
41
42
43
44
5
6
7
8
9
AUDIO SIGNAL(REC)
TUNER AUDIO SIGNAL
IC5503
MM1501XNRE
AUDIO SW(R CH) IC
1
2
3
456
IC5502
MM1501XNRE
AUDIO SW(L CH) IC
1
2
3
456
AUDIO SIGNAL(PB)
C5502
47
6.3V
KA
C5539
100
6.3V
KA
C5523
1B
C5508
0.1
B
C5525
1
F
C5526
1 B
C5533
1B
C5543
1F
C5503
0.1 B
C5506
0.1
F
C5501
0.01 B
C5507
0.1
B
C5524
1 B
C5529
1
B
C5515
1B
C5514
1B
C5530
1B
C5504
10P CH
C5521
1B
C5510
0.0056
B
C5520
0.0056
B
C5522_1
10
25V
KA
C5509_1
10
25V
KA
C5517_1
10
25V
KA
C5519_1
10
25V
KA
C5528_1
10
25V
KA
C5527_1
10
25V
KA
C5518
47
6.3V
KA
C5516_1
10
25V
KA
C5505
100
16V
KA
C5511
47
6.3V
KA
C5513
2.2
50V
KA
C5512_1
10
25V
KA
R5522
8.2K
R5521
5.6K
R5513
6.8K
R5523
8.2K
R5526
6.8K
R5514
6.8K
R5527
6.8K
R5524
1K
R5525
1K
R5511
18K
R5520
5.6K
1/4W
R5502
10K
R5509
39K
R5505
3.3K
R5504
39K
R5503
470
R5507
3.3K
W879
W942
TP5502
HF ENV.
TP5501
HF H.SW
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
DURING PLAYBACK.
MEASURED WITH THE DIGITAL TESTER
NOTE:THE DC VOLTAGE EACH PART WAS
L5502
100uH 0305
L5501
100uH 0305
REC_TU_A-L
REC_TU_A-R
MONITOR_A-L
MONITOR_A-R
REAR_A_IN_L
REAR_A_IN_R
HF_COM
HF2
HF1
NORMAL_A
Y/C_AUDIO
HF_ENV
HF_H.SW
VCR_A_MUTE
SDA
SCL
VCR/DVD
DVD_AUDIO_L
DVD_AUDIO_R
FRONT_A_IN_R
FRONT_A_IN_L
MONITOR_A-L
MONITOR_A-R
P.CON+5V_A
AT+11.5V
AT+11V
GND
AT+11V
Y/C_AUDIO
HF1
NORMAL_A
HF_COM
MONITOR_A-R
HF2
MONITOR_A-L
AT+11.5V
VCR/DVD
HF_H.SW
SDA
SCL
HF_ENV
VCR_A_MUTE
DVD_AUDIO_L
DVD_AUDIO_L
FRONT_A_IN_L
FRONT_A_IN_R
DVD_AUDIO_R
REC_TU_A-L
REC_TU_A-R
DVD_AUDIO_R
REAR_A_IN_L
REAR_A_IN_R
FROM/TO Y/C/AUDIO/HEAD AMP
PCB010
VMC296
FROM REGULATOR1
FROM/TO MICON
FROM/TO DVD IN/OUT
FROM/TO DEMODULATOR/21PIN
NC
NC
3.8
4.6
3.8
3.8
3.8
4.2
1.4
1.3
0.9
5.2
0
0
0.6
0.6
0.6
10.5
3.9
3.9
0.8
0
3.8
3.8
0.8
3.9
3.9
3.8
right
TUR
TUL
Iref
HID
N
R
L
HID
env.select(pb)
DCL
DCR
A
RM
AUTN DOC
Hifi detector
2
I C
L
active s-by
passive s-by
Vref
Supply
HF LPF
CCO
1.4MHz
1.3MHz
PLL
1.8MHz
1.7MHz
BPF
record-mute
HF LPF
level
detector
level
detector
vol.
left
vol.
M
+
+
M
Dub
record current
HID
playback
amplification
carrier
ratio
RM
M +
R
L
DCR
DCL
hold
park
hold
park
decoder
select
TUL
SAP
E1R
E1L
M
TUR
SAP
Dub
line select
MUTE
mute
auto
E2R
E2L
AUNT
select
output
select
nomal
TUR
TUL
E2R
E2L
M
SAP
+
+
M
M
A
33pin
compressor
CCA
expandor
32pin
E1L
SAP
E2R
E2L
E1R
+
+
M
23pin
24pin
detector
CCA
expandor
compressor
+
audio LPF W+FM
5th order
rectifier
clipper
audio
suppr.
noise
clipper
audio
rectifier
detector
audio LPF W+FM
5th order
suppr.
noise
1.8MHz
1.7MHz
CCO
PLL
1.4MHz
1.3MHz
limiter
HF
limiter
HF
BPF
HF AGC
12V
+1db
mute
REC
SELECT
INPUT
3.8
6.0
6.0
0
0
0
3.9
0
3.8
NC
NC
NC
NC
6.0
6.0
NC
NC
NC
NC
NC
A.OUT
SW1
GND
Vcc
Ain1
Ain2
SW1
GND
Vcc
A.OUT
Ain1
Ain2
3.8
3.8
3.8
3.8
0
5.7
11.1
6.5
0
6.5
0
5.7
11.1
6.5
0
6.5
NC
SECAM CHROMA/H
i
-F
i
SCHEMATIC DIAGRAM
(VCR PCB)
Содержание VTW2186
Страница 1: ...SERVICE MANUAL COLOR TELEVISION VIDEO CASSETTE RECORDER DVD VIDEO PLAYER VTW2186 ...
Страница 84: ...MECHANICAL EXPLODED VIEW PACKING DIAGRAM I1 3 142 143 140 139 141 124 145 146 147 148 CD001 TM101 141 139 142 ...
Страница 99: ...TOSHIBA VIDEO PRODUCTS PTE LTD 438B ALEXANDRA ROAD BLOCK B 06 01 ALEXANDRA TECHNOPARK SINGAPORE 119968 ...