Toshiba MW27FN1 Service Manual page 77

A B
BACKUP+5V
8
FROM/TO REGULATOR1
BACKUP+5V
AT+5V
DVD_H
VCR_POWER_H
AT+12V
P.CON+5V_C
P.CON+5V_A
7
MOTOR_GND
FROM/TO Y/C/A/H.AMP
Y/C_VIDEO
Y/C_CLK
Y/C_DATA
Y/C_CS
H.SW
VIDEO_OUT
ENV_DET
6
VCR_A_MUTE
CTL+
CTL-
C_ROTARY
DUMMY_V.SYNC
V.REC_ST_H
H.AMP_SW1
COMP
5
EOT SENSOR
Q103
BOT SENSOR 5.0 5.0
ST-304L
Q101
ST-304L
0
0
EOT
BOT
CENT LED SW
Q102
KRC103SRTK
4
0.2
4.9
0
C128
16V 220 YK
R173
1K 1/2W
3
FROM/TO CAPSTAN DD UNIT
CP101
TMC-J12P-B2
1 CAP FG
2 CAP VCO
3 VCC
R104
CAP_F/R
4 CAP.M F/R
3.3K CAP_LIMIT
5 I LIMIT
6 MOTOR GND
7 GND
8 LD/CY VCO
CONTROL_IN
9 CAP CTL
LDM_CTL
2 10 LDM CTL
CYL_FG/PG
11 CYL FG/PG
CYL_DRIVE
12 CYL CTL
CAUTION: DIGITAL TRANSISTOR
1
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
A B
G-15
C
MICON SCHEMATIC DIAGRAM
C121
560P CH
C167
82P CH
R177
2.2K
C126
C125
10V 100 KA
0.1 B
NC
2.2 1.6 0 0 4.7
50 49 48 47 46
OSD_Y
5.1
C116 C123
2.5
0.0022 B R118 1 F
2.6
AFCLPF
2.2K
0
VCR_A_MUTE
VCR.A.MUTE
C114 R112
0
FSCLPF
0.01 B 100
5.0
TV_POWER_H
TV_POWER_ON-H
0
VM_OSD_SW
VM_OSD_SW
R114
1.3
CYL_DRIVE
CYL_SPEED_UP
2.2M 1/4W
0
BLK
0
DEGAUSS_H
DEGAUSS
0
OSDR
R
0
OSDG
G
C110
0
OSDB
B
0.0047 B
0
CAP_F/R
CAP_F/R
R108
1.9
CYL_FG/PG
CYL_FG/PG
1K
0
H_CONTROL
H_CTL
17
C109
3.3
FGF
0.0039 B
0
C119
2.5
VRO
C113
16V 10 KA
2.5
VRI
16V 10 KA
0
AVSS
C122
C117
2.5
CTLA
0.01 B 6.3V 33 KA
5.0
AVDD
R115
2.4
CTL+
CENT_LED_CTL CTL(+)
560
2.4
TAB SW
CTL(-)
SW101
TAB_SW R116
CTL-
76 77 78 79 80
LSA-1144EAU
560 2.5 0 2.6 0.1 5.1 5.1 4.9 4.9
0
SW
4.9
Q106
KRC103SRTK
0
MS_SEN A
Q105
RPI-352C40N
2.4 1.2
5.1 0.9 5.1
5.1
1 2
2 3 2 3
1 4 1 4
MS_SEN B
0.9 1.4 0.5 1.4
4 3
Q104
0 5.1
RPI-352C40N
REEL SENSOR
Q107
RPI-303
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(VCR PCB)
C133
0.1 B
28
X101
X102
27
32.768
14.318
KHz
18MHz
R129
1M
NC NC NC NC NC
4.9 0 0 5.0 3.3 1.0 0 0 0 5.0 4.9 3.6 3.6 2.7 0 0 5.0 5.0 0 3.5
45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26
5.0
0.1
3.5
H.SW
5.0
IIC_OFF
25:RESET 3.6
51: VDD2
CAP_LIMIT
0
52: AFCC 24:DUMMY.V.SYNC
TV_MUTE
0
TUNER_H
4.8
SCL
4.8
SDA
0
TX
0
SYSCON/TIMER/SERVO
RX
IC101
0
OEC8074A TV/DVD_LED
5.0
Y/C_DATA
0.1
Y/C_CS
5.0
Y/C_CLK
0
RENT_H
0
EXT_A_MUTE
4.9
FF/REW_L
98:C_ROTARY
0
AV_SW1
99:H.AMP.SW1
0.4
100:COMP
EXT_MUTE
76:CO
5.0
REMOCON IN
77: NC
2.4
REEL-S
2.4
REEL-T
0
5.0
POWER_FAIL
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
0 2.6 2.4 0 3.4 3.6 0 0 5.0 0 0.1 0 0 0 3.5 4.9 0
NC
R137
4.7K
BACKUP+5V
D108
1SS133
AT+5V
R133
NC NC
0
4.7K 5 4
REEL SENSOR
Q108 NC NC
RPI-303
1.2 0
OUT IN GND
1 2
1 2 3
5.2 5.1
4 3
0 5.1
D E
F G
C148 C151
68P CH 0.1 F
4.8 4.8 0 5.0
5 6 7 8
4 3 2 1
0 0 0 0
RESET
16
DUMMY_V.SYNC
TP102
NC
R153
H.SW
H.SW
1K 1/4W
IIC_OFF
R144
CAP_LIMIT
1K 1/4W
TV_A_MUTE
NC
W841
SCL
W842
SDA
TX
RX
NC
Y/C_DATA
Y/C_CS
Y/C_CLK
NC
EXT_A_MUTE
5.1
AV_SW
0 Q116
2SC2412K
AV_SW1
0
EXT_MUTE
R152
REMOCON_IN
22K
REEL-S
REEL-T
R171
1K
R166
10K
5.1
D106
4.4
MTZJ12B
5.1
BUFFER
Q114
0
2SA1037AK
5.0
SW
Q110
0 R165
KRC102SRTK
4.7K
R148
R1594.7K
2.7K
TV_POWER_H
R149
R1604.7K
2.7K
R150
0
2.7K
R164 4.7K
0
PCB010
VMC293
F G
H
8
7
FROM/TO DVD I/O
TX
RX
DVD_RESET
AV_SW1
AT+5V
FROM/TO I/O
6
KEY_B
KEY_A
REC_LED
T-REC_LED
REMOCON_IN
EXT_A_MUTE
VCR_A_MUTE
EXT_MUTE
TV_POWER_H
FROM/TO CHROMA/IF
5
OSD_R
OSD_G
OSD_B
OSD_Y
TV_POWER_H
V.SYNC
H_CONTROL
H.SYNC
SDA
SCL
VCR_POWER_H
PROTECT
4
IIC_OFF
EMERGENCY
VM_OSD_SW
FROM/TO HI-FI/DEMODULATOR
V.REC_ST_H
AT+5V
HIFI_ENV
HIFI_H.SW
VCR_A_MUTE
SDA
POWER_FAIL
SCL
3
ST_SELECT
FROM/TO SOUND AMP
TV_POWER_H
TV_A_MUTE
OSD_R
SCL
SDA
OSD_G FROM/TO DIGITAL COMB FILTER
AV_SW1
OSD_B
2
AV_SW2
SDA
SCL
AFT
FROM/TO TV POWER
GND
DEGAUSS_H
POWER_FAIL
MOTOR_GND
1
H
G-16