Regulator; Hi-Fi/Demodulator; Tuner/Jack - Toshiba SD-V280 Service Manual

CP101
EP/LP-CH2 (L)
1
EP/LP_COM
2
3 EP/LP-CH1 (R)
SP-CH2 (L)
4
CYL 5 SP_COM
6 SP-CH1 (R)
HF2 (L)
7
8 HF_COM
HF1 (R)
9
HF1
HI-FI/DEMODU
HF_COM
LATOR
HF2
CP103
1 FE HEAD (HOT)
FE HEAD
2 FE HEAD (GND)
CP102
6 AUDIO PB
5 AUDIO REC
HEAD
4 CTL+
AUDIO
CONTROL 3
CTL-
AE HEAD(-)
2
1 AE HEAD(+)
F-3
Y/C/AUDIO/CCD/HEAD AMP BLOCK DIAGRAM
X101
3.578545M Hz
Q109
BUFFER
Y/C/AUDIO/CCD/HEAD AMP IC
IC101
LA71205M-MPB
50 41
49
PULL
VX01
DRIVER
TIMMING
L
67
H.SW
REC
H FM-EQ
66
KIL
AGC
AMP
C-LPF
H
P
R
65
H.AMP
SW
GCA
72
L
R
P
FM
AGC
73
DELAY
H
PB
H.SW
FM-EQ
74
L
PB
DOUBLE
PHASE-EQ
LIM
9
REC AMP
7
8
AUTO BIAS
EQ
6 AMP
PB.EE
11 4 3
5
COIL, BIAS OSC
L101
Q105
5 BIAS CTL
2
6 3
Q104
BIAS OSC
4 1
Q103
Q101, Q102
SW
AUDIO PB SW
Q107
BUFFER
39
37
OUT
CCD CLAMP
WC NL DETAL
FM
EMPHA ENH
DC
MOD
V/I
CONV
P P
Y-LPF
R
R
YNR/
Main 3.58M
B-UP
COMB
AMP CONV BPF2
P
N.L.
ACC
3.58M DEEM
AMP
BPF1
R
KIL NC1
PB
B.D. AMP
Y/C MIX
P
FM SUB
DEM
LPF
LINE
R
AMP
V-AGC
LPF
R
P
P R
ALC
ALC
DET
MUTE
SYNC
SEP
10 32 30 28
2 80 78 76
AUDIO SIGNAL(REC)
AUDIO SIGNAL (PB)
PLAYBACK COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
RECORD COLOR SIGNAL
RECORD LUMINANCE SIGNAL
TUNER VIDEO SIGNAL
55
SERIAL
54
DECODER
53
CLAMP 22
21
VCA 36
CLAMP 34
H.AMP SW/
AUDIO
58
MUTE
1/2
C ROT
57
RF SW IN
FBC
ENV DET 59
Chara
CONP 60
INS.
OUT
24
25
6dB
26
Q106
BUFFER
Y/C_CS
SYSCON
Y/C_DATA
Y/C_CLK
OPERATION/
FRONT_V_IN
DISPLAY
H. AMP_SW
C. ROTARY
H. SW
AUDIO_MUTE-H
SYSCON
ENV. DET
COMP
DUMMY_V. SYNC
C.SYNC
Y/C_VIDEO_OUT
FSC

TUNER/JACK

TU/REAR_V_IN
TO_NORMAL_A
HI-FI/DEMODU
FROM_NORMAL_A
LATOR
FSC
DVD I/O
DVD V OUT
P. CON + 5V

REGULATOR

V.REC_ST-H
SYSCON
CTL+
CTL-
F-4