Toshiba MV13DM2 Service Manual page 55

A B
8
FROM POWER
7
P.CON+5V
(S801)
GND
6
5
FROM/TO CYL
L4001
P.CON+5V
CP4001_1
22uH 0305
TOC-C04X-B1
4 SP-CH1 (R)
3 SP_COM
2 SP-CH2 (L)
1
4
R4007
22K 1/4W
W851
TU1_AUDIO
R4006
FRONT_A_IN_L
22K 1/4W
3
FROM/TO HEAD AUDIO CONTROL
P.CON+5V
CP4002
5.2
IMSA-9604S-06Z14
COIL,BIAS OSC
0
V.REC_ST_H
T4001
6 AUDIO PB
1626009
5.3
5 AUDIO REC SW
CTL+ Q4003
4 CTL+
KRA103SRTK
CTL-
3 CTL- 6
R4001
2 AE HEAD(-) 5 5
560
2
1 AE HEAD(+)
0
AUDIO
R4002
0.7
PB SW
Q4001
10K
KTC3198
0
AUDIO
FROM/TO FULL ERASE HEAD
PB SW 0
R4003
0.7
Q4002
CP4003 KTC3198
10K
TMC-T02X-E1
0
GND
2 FE HEAD(GND)
HOT
1 FE HEAD(HOT)
1
NOTE:
A B
G-1
C
Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM
W988
Y/C/AUDIO/HEAD AMP IC
IC4001
LA71205M-MPB
0.5 2.8 0
60 59 58
2.2
C4016 COMP OUT
ENV AUDIO
KILL DET MUTE
0.068 B DET HA SW
0
HA
GND
4.0
C4019
CHROMA
DET
0.047 F
1.8
C4015
ACC
DET
0.047 F
0.7
P
0.7
NC R
0.7 H
P L
NC
5.0
HA VCC
1.7
1.8
0
HA
PRE GND
2.0
P H
2.0 L
R
2.0
P
0
R4052
A-GND
3.9K
2.2
C4020
1
2
1 F
4.9 3
A-VCC
2.3
NC
C4023 0
6.3V 22 KA 2.3
C4075
Vref
0.1 B
2.3V
1 2 3
C4012
R4056
2.2 2.2 2.3 2.2
3.3K
6.3V 22 KA
R4017
L4008 C4025
C4027
6.8K
100uH 0305 6.3V 470 YK
6.3V 33 KA
BIAS CTL C4077 R4057
Q4005
R4062 KTA1266 0.01 B 1K
6.8K R4019
4.7
1 L4003
0.2
5.1
2
0
C4029
100uH 0305
4 3 AMP
0
5.0
R4011 Q4013 0.01 B
2SC2412K
BIAS OSC
22K
Q4006
0
KTC3203_Y-AT
C4010 R4060
0
3.3K
6.3V 47 KA
0
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
DURING PLAYBACK
C
D E
(SYSCON PCB)
BUFFER
Q4012
2
2SC2412K
5.1
R4041
4.0
1.8K
3.4
6.3V
C4059
0.1 B
R4038
680K
NC
0 0 4.8 4.8 4.8 5.0 1.9 2.6 4.0 3.3 3.3 5.0 5.0 0 2.2 0.8
2.3
57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
CLOCK
ALWAYS VDD 4Fsc
C-ROT C-GND C-VCC
SERAIL
RF-SW 320FH 5V
SLD VSS
VX01 B PLL
IN DECODER VCO
P R
TIMMING OUT
OUT
REC PB REC
APC APC AFC DRIVER AUTO-BIAS
VSS
CCD CLAMP
BEFORE
IN
R P BGA
BGA
AFTER
CNC
BGA
R P VCA
PB VCA
P R AMP
3.58M
BPF2
CLAMP
B.D
Main B-UP
C-LPF
CONV AMP P
VCP
3.58M
ACC
AMP BPF1 1
P P R
2
+ 3
PB-C
ACC REG
4.21M
DET 4V
VIDEO
BPF
AGC
YNR/COMB
Sub
P R R
CONV
P
1/2
R BAL
DETAIL N.L.
CLAMP
ENH PB-C FBC TC1
P DEEM
Y-LPF
R
NL NL Y/C
NC1
P
EMPHA EMPHA MIX
R
R
P
AGC
FM TC2
MOD
R-EQ
NORMAL QV/QH 6DB
TEST
DOUBBLE FM SUB
LIM DEM LPF
SYNC
ALC SEP
R LINE
LPF REC
AMP MAIN
P FM-EQ
DE-EM V.SYNC
SEP
ALC
FM PB
DET VREF S-EQ
P R FM EQ P R P R
AGC Y-VCC
VHS SOPB
REC
MUTE
PB,EE AMP
PB,EE
EQ
REC:LP<EP
AMP
PHASE PHASE MAIN
PB:EP AUTO FM
SP,LP B
BIAS EQ EQ EMPHA S
AGC
Y-GND
fo-ADJ Q-ADJ DET
FIL FIL
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
0
2.2 2.3 2.3 2.2 2.3 2.4 5.0 1.0 1.0 1.7 1.4 0 1.5 0.1 2.5
NC
C4036
390P B
R4021
C4037
22K
NC
0.1 B
C4033
0.001 B
330K
4
CAUTION: DIGITAL TRANSISTOR
D E
F G
C4058
47 KA
C4061
0.01 B
C4078
0.1 B
0 BUFFER
Q4010
1.7 2SA1037AK
1.7
0
2.3
0
3.0
R4034
C4048 82K
2.8
R4035
16V 10 KA 100K C4052
3.1
C4049 50V 1 KA
3.1
C4053 50V 4.7 KA
2.6
50V 1 KA C4057
2.0
50V 1 KA
4.0
C4054
0.1 B C4047
2.0
FRONT_V_IN
C4050 50V 1 KA
2.3
50V 0.22 KA
2.3
1.6 C4051
6.3V 33 KA
2.9
R4032
100
3.6
0
DUMMY_V.SYNC
4.9
W840
P.CON+5V
1
2.8
R4065
2.2M
1.8 W856
VIDEO_OUT
SD_VIDEO
5.0
L4009
BUFFER
Q4009
0
22uH 0305
2SA1037AK
5.0
SYNC IN
R4026 C4043
Q4007 2.8
SD_SYNC
2SC2412K
39K 1/4W
3.4 0.1 B
0.7
0
NC W857 W858
MONITOR_A
15.6KHZ TRAP
L4007
STP-01064
F G
H
8
FROM/TO IN/OUT
7
MONITOR_A
FRONT_V_IN
FRONT_A_IN_L
FROM/TO MICON
Y/C_CLK
6
Y/C_DATA
Y/C_CS
H.SW
SD_VIDEO
ENV_DET
VCR_A_MUTE
CTL+
CTL-
C_ROTARY
DUMMY_V.SYNC
V.REC_ST_H
H.AMP_SW1 5
SD_SYNC
TO IF
VIDEO_OUT
4
FROM/TO CHROMA/IF
TU1_VIDEO
TU1_AUDIO
VD
MONITOR_A
VIDEO_OUT
3
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
2
TUNER VIDEO SIGNAL
DEFLECTION SIGNAL
PCB010
VMA245
1
H
G-2