Toshiba SD-K220U Service Manual page 111

A B
8
FROM/TO POWER
TX
RX
DVD_POWER_CTL
AT+12.6_V
P.CON+5V
7
AT+5V[M-CON]
VCR_POWER_ON-L
POWER_FAIL
AT+5.2V
GND
MOTOR_GND
C3033_1
35V 330 YK
6
FROM/TO DECK
CP3001
TMC-J12P-B2
L3002_1
CAP_FG
1 CAP FG
W818
AT+12.6_V
2 CAP VCO
22uH TSL0808 P.CON+5V
3 VCC
R3003
CAP_F/R
4 CAP.M/F/R
3.3K
CAP_LIMIT
5 I LIMIT
C3040
6 MOTOR GND
1 F
7 GND
AT+12.6_V
8 LD/CY VCO
CONTROL_IN
9 CAP CTL
5
LDM_CTL
10 LDM CTL
CYL_FG/PG
11 CYL FG/PG
CYL_DRIVE
12 CYL CTL
AT+5.2V
5.0
4 5.0
BOT SENSOR EOT SENSOR
Q3008 Q3006
ST-304L ST-304L
0
0
(LED_GND)
3
R3011
AT+5.2V
47K 1/4W
TAB_SW
PLAYBACK LUMINANCE SIGNAL
PLAYBACK COLOR SIGNAL
RECORD LUMINANCE SIGNAL
RECORD COLOR SIGNAL
2
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
CAUTION: DIGITAL TRANSISTOR CAUTION: DIGITAL TRANSISTOR
1
A B
H-11
C
SYSCON SCHEMATIC DIAGRAM
23
R3057
NC
CAP_LIMIT
0 5.1 3.4 2.5
22K 3.3
84 83 82
5.0
NC
0
TV/VCR
5.0
POWER_MUTE-L
5.1
SYS_MUTE
SYS MUTE
NC
FL CLK/VSC CLK
NC
FL DATA/VSC DATA
5.0
AV_SW2
AV SW2
5.0
AV_SW1
AV SW1
0.1
W835
Y/C_CS
Y/C CS
5.1
RF_CH_SW
RF CH SW
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
2.5
C.ROTARY
C3008 C.ROTARY
0
H.AMP_SW
0.0047 B H.AMP SW
0
24
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
HIFI H.SW
C3007
R3014 56K 2.7
DRUM PWM
R3012 2.7
0.1 B C3004 0.022 B
CAP PWM
56K 0
DUMMY_V.SYNC
DUMMY_V.SYNC
0
VSS (GND)
0.4
C.SYNC
EOT
5.1
AT+5V[M-CON]
BOT
1 2 3
0 0 2.5
R3017
CTL+
C3013 C3016
560
R3020
6.3V
CTL- 6.3V 22 KA
560
P.CON+5V
AT+5.2V
MS_SEN A
Q3005
RPI-352C40N
5.1 5.1 0.9 5.1 1.2 2.4
MS_SEN B
2 3 2 3 2 1
Q3004
RPI-352C40N
1 4 1 4
0.9 1.3
0.4 1.3
3 4
5.2 0
C
D E
(VCR PCB)
C3025
12P CH
X3001
100BT01004
10MHz
R3034
1M
NC NC NC NC
0 0 5.1 1.4 1.5 0 0 0 0 4.8 4.8 0 4.9 5.0 4.8 4.8
81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
85 56 VCC (BACK UP)
4G/TIME SHIFT LED
86 VCR_H 55 SEG1
87 POWER MUTE-L 54 Y/C DATA
SYSCON/TIMER/SERVO IC
IC3001
OEC0138A
31 ST SELECT
111 C SYNC 30 KEY-A
112 VCC (BACK UP) 29 KEY-B
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0 2.5 0.1 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
NC
25
R3025
22 470 C3038
L3003 1 F
47 KA
12uH
C3044
12P CH
C3015
820P CH
R3049
NC NC
0 0
47K
5 4
NC NC
0 1.2
2 1
OUT IN GND
REEL SENS
Q3001 1 2 3
RPI-303 5.0 5.0 0
D3009
3 4
1SS133
5.2 0
27
D E
F G
RX DRIVE
Q3003
DTA124EKA
5.2
0
5.3 0
3.4
RX
C3061
RX DRIVE
0 4.8 4.8 0
0
0.1 F
Q3007
60 59 58 57
DTC124EKA
5.1
0
SEG_1
4.8 W837
Y/C_DATA
5.0 W838
Y/C_CLK
Y/C CLK
5.0 5G/CS/BS_LED
5G/CS/BS LED
5.0
4G/VSC_LED
5.0
3G/TV/VCR_LED
3G/TV/VCR LED
5.0
2G/DUB/REC_LED
2G/DUB/REC LED
5.0 1G/VCR/T-REC_LED
1G/VCR/T-REC_LED
0.3 VCR_LED
VCR LED
5.1 DVD_LED
DVD LED
0
DVD_POWER_CTL
DVD_POWER_CTL
3.3
DVD RESET
4.7 REM_IN
REM IN
5.0
ZERO
NC
R3055 22K
VCR_POWER_ON-L
POWER ON-L
0
VIDEO_MUTE-H
VIDEO_MUTE-H
R3038 4.7K 1/4W AT+5.2V
0
REC_L/ REEL T
REC_L/REEL-T
0.1
VSC_L/REEL-S
VSC_L/ REEL S
5.0
POWER_FAIL
POWER FAIL
C3036 0.1 F
5.1
AT+5V[M-CON]
AVCC (BACK UP)
0
TAB_SW
TAB SW
SERVICE
0
SERVICE NC
TP3001
2.5
AFT-S.CURVE
AFT S.CURVE
3.7
HIFI_ENV.DET
HiFi ENV
0
ST_SELECT
5.2
KEY-A
5.2
KEY-B
25 26 27 28
0 1.3 1.3
D3007
1SS133
AT+5.2V
R3010
10K
C3030
1 F
JG3002
5.2
0 5.0 4.9
8 7 6 5
TX
MD0
RESET
FWE
AT+5V[M-CON]
1 2 3 4
0 0 0 0
F G
H
TP3002 H.SW
8
NC
FROM/TO Y/C/AUDIO/CCD/HEAD AMP
DUMMY_V.SYNC
C.SYNC
V.REC_ST-H
C.ROTARY
AUDIO_MUTE-H
CTL-
7
CTL+
H.AMP_SW
COMP
ENV.DET
H.SW
Y/C_CS
Y/C_DATA
Y/C_CLK
4FSC
FROM/TO TUNER/JACK
RF_CH_SW
SW_V_OUT
AV_SW1 6
AV_SW2
SCL
SDA
AFT-S.CURVE
TV/VCR
VIDEO_OUT
POWER_MUTE-L
VIDEO_MUTE-H
DVD_RESET
SYS_MUTE
5
FROM/TO HI-FI/DEMODULATOR
V.REC_ST-H
HIFI_ENV.DET
HIFI_H.SW
AUDIO_MUTE-H
SCL
SDA
ST_SELECT
4
FROM/TO OPERATION1/DISPLAY
DVD_LED
VCR_LED
KEY-A
KEY-B
REM_IN
1G/VCR/T-REC_LED
2G/DUB/REC_LED
3G/TV/VCR_LED
4G/VSC_LED
5G/CS/BS_LED
3
SEG_1
SEG_2
SEG_3
SEG_4
SEG_5
SEG_6
SEG_7
SEG_8
SEG_9
SEG_10
2
JG3003 JG3004 JG3005 JG3006 JG3007 JG3008
PCB010
VMC300
1
H
H-12