Toshiba SD-V280 Service Manual page 130

A B
8
FROM/TO REGULATOR
DVD_POWER_ON-H
VCR_POWER_ON-H
VCR_POWER_ON-L
POWER_FAIL
CAP_VCO
AT+12.6_V
P.CON+5V
AT+5.2V
7
AT+5V[M-CON]
GND
MOTOR_GND
6
FROM/TO DECK
C3033_1 C3003
CP3001
35V 330 YK 16V 10 KA
TMC-J12P-B2
CAP_FG
1 CAP FG
W860
CAP_VCO
2 CAP VCO
P.CON+5V
3 VCC
R3003
CAP_F/R
4 CAP.M/F/R
3.3K CAP_LIMIT
5 I LIMIT
C3062
6 MOTOR GND
0.1 F
7 GND
AT+12.6_V
8 LD/CY VCO
CONTROL_IN
9 CAP CTL
LDM_CTL
5
10 LDM CTL
CYL_FG/PG
11 CYL FG/PG
CYL_DRIVE
12 CYL CTL
BOT SENSOR
Q3008
PNA2604M010R
AT+5.2V
5.1
EOT SENSOR
5.1
Q3006
4 PNA2604M010R
0.1
0.1
EOT
BOT
CENT SW
0.1
Q3007
KRC103SRTK CENT_LED
5.1
0
(LED_GND)
3
TAB SW
SW3001
MXS01350MVP0
R3011
AT+5.2V
47K 1/4W
FROM/TO DVD I/O
SYS_MUTE
DVD_RESET
2 TX
RX
CAUTION: DIGITAL TRANSISTOR
1
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
A B
H-15
C
VCR SYSCON SCHEMATIC DIAGRAM
AT+5V[M-CON]
AT+5.2V
C3025
18P CH
X3001
10MHz R3034
23
R3057
CAP_LIMIT
0 5.1 3.4 2.5
22K 3.3
84 83 82 81 80
5.0
TU_A_MUTE-H
0
TV/VCR
5.0
POWER_MUTE-L
5.1
W862
SYS_MUTE
SURROUND ON-H/SYS MUTE
R3048
0
FL_CLK
FL CLK
85
R3054 4.7K 1/4W 0
FL_DATA
FL DATA
86
4.7K 1/4W 5.0
AV_SW2
AV SW2
87
5.0
AV_SW1
AV SW1
0.1
W835
Y/C_CS
Y/C CS
5.1
CENT_LED
CENT LED
0
AUDIO_MUTE-H
AUDIO MUTE-H
0
V.REC_ST-H
V.REC ST-H
2.4
LDM_CTL
LDM_CTL
0
CAP_F/R
CAP FWD-L
24
C.ROTARY 2.5
C3008
C.ROTARY
0
H.AMP_SW
0.0047 B
H.AMP SW
0
COMP
COMP
R3032 2.7
CONTROL_IN
CAP FULL
R3031 10K 0
CYL_DRIVE
CYL SPEED UP
R3008 1M 21 3.0
CYL_FG/PG
D FG/PG
1K 2.5
H.SW
VIDEO H.SW
2.5
HIFI_H.SW
R3001 5.6K
HIFI H.SW
CYL_DRIVE
R3014 56K 2.7
111
DRUM PWM
C3007 0.1 B C3004 0.022 B R3012
2.7 112
CAP PWM
56K 0
DUMMY_V.SYNC
DUMMY_V.SYNC
0
VSS (GND)
0.4
C.SYNC
5.1
AT+5V[M-CON]
R3024
1 2 3 4 5
15K 0 0 2.5 0 2.5 0.1
R3017
CTL+
C3013 C3016
560
R3020
6.3V 47 KA
CTL- 6.3V 22 KA
560
TAB_SW
C3015
820P CH
P.CON+5V
AT+5.2V
MS_SEN A
Q3005
RPI-352C40N
5.1 5.1 1.2
0.9 5.1 2.4 0
2 2
2 3 2 3 1
1 4 1 4
0.4 1.3
0.9 1.3
MS_SEN B
3 4 3
Q3004
0
5.2 5.2
RPI-352C40N
27
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(VCR PCB)
C3047
15P CH
1M
NC NC NC NC NC NC NC NC
0 4.9 0 0 0 0 4.8 4.8 4.8 4.8 0 4.8 4.8
0 0 5.1 1.4 1.5 0 0 4.9 5.0
79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58
Y/C CLK
5G/CS/BS LED
TUNER L 56 VCC (BACK UP)
4G/TIME SHIFT LED
VCR_H 55 SEG1
3G/TV/VCR LED
POWER MUTE-L 54 Y/C DATA
2G/DUB/REC LED
1G/VCR/T-REC_LED
VCR LED
DVD LED
DVD POWER ON-H
DVD RESET
SYSCON/TIMER/SERVO
REM IN
IC3001
POWER ON-H
OEC0119B
POWER ON-L
VIDEO_MUTE-H
HD POWER LED
CFG IN2
POWER FAIL
AVCC (BACK UP)
31 ST SELECT
TAB SW
C SYNC 30 KEY-A
SERVICE
VCC (BACK UP) 29 KEY-B
AFT S.CURVE
HiFi ENV
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
2.6 2.5 2.3 5.1 2.0 2.0 1.5 0.4 0 3.1 2.6 5.1 2.6 0 0 2.5 0 2.6 0 0 1.3
25
NC
R3025
22 470 C3038
L3003 1 B
12uH
R3009
C3044
1M
12P CH
SYSTEM RESET IC
IC3003 PST3231NR
R3049
NC NC
0 0
47K
5 4
NC NC
1.2
1
OUT IN GND
1 2 3
5.0 5.0 0
D3009
4
1SS133
0
D E
F G
TP3002 H.SW
FROM/TO Y/C/AUDIO/CCD/H.AMP
DUMMY_V.SYNC
C.SYNC
V.REC_ST-H
C.ROTARY
AUDIO_MUTE-H
CTL-
CTL+
H.AMP_SW
C3061
COMP
0 0.1 F
ENV.DET
57
H.SW
5.1
Y/C_CS
0
Y/C_DATA
NC
Y/C_CLK
4.8 W837
Y/C_DATA
5.0 W838
Y/C_CLK
FROM/TO TUNER/JACK
5.0
NC
5.0
NC SW_V_OUT
5.0
AV_SW1
NC
AV_SW2
5.0
SCL
NC
5.0 1G/VCR/T-REC_LED SDA
AFT-S.CURVE
0.3 VCR_LED
TV/VCR
5.1 DVD_LED
VIDEO_OUT
5.0 DVD_POWER_ON-H TU_A_MUTE-H
POWER_MUTE-L
3.3
DVD_RESET
VIDEO_MUTE-H
4.7 REM_IN
5.0 VCR_POWER_ON-H FROM/TO HI-FI/DEMODULATOR
0 VCR_POWER_ON-L
V.REC_ST-H
HIFI_ENV.DET
0.1 VIDEO_MUTE-H
HIFI_H.SW
5.0
AUDIO_MUTE-H
2.2
SCL
AT+5.2V
5.0 SDA
C3036 POWER_FAIL
ST_SELECT
5.1
AT+5V[M-CON]
0.1 F
0
TAB_SW
SERVICE
0
NC
FROM/TO OPERATION1/DISPLAY
TP3001
2.5
AFT-S.CURVE
3.7 FL_CLK
HIFI_ENV.DET
FL_DATA
0
ST_SELECT
FL_CS
5.2
KEY-A
DVD_LED
5.2 VCR_LED
KEY-B
KEY-A
28 KEY-B
1.3
REM_IN
1G/VCR/T-REC_LED
D3007
SEG_10
1SS133
AT+5.2V
R3010
10K
C3030
0.1 F
5.2
4.9 5.0 0
5 6 7 8
4 3 2 1
0 0 0 0
RECORD LUMINANCE SIGNAL
RECORD COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
PLAYBACK COLOR SIGNAL
F G
H
NC
8
7
6
5
4
3
2
PCB010
VMA251
1
H
H-16