Toshiba SD-22 Schematic
FILE NO. 810-200213
SERVICE MANUAL
TM
DVD VIDEO PLAYER & VIDEO
CASSETTE RECORDER
SD-22VB
SD-22VE
SD-22VL
OCT., 2002
DECK
DK4001
TT-4000
(TU2020R)
F+,T-,T+,F-
LMT,TOPN,TCLS
MOTOR
DRIVER
IC2602
BA5813FM
B
RF,FO,EO,AO
DO,CO,BO
LDMP,LDMN
FMN,FMP,DMN,DMP
B, F
RF_AMP
IC2603
OEC6067A
PUDET2,LSRDVD
B
A+3V
A, C
RF OUT
A
D-RAM
IC2002
MSM5416258B-30
DPD 0~15
DPA 0~7
DSP
IC2001
OEC6068A
/BWL,/BWU,/BCAS
/BRAS,/BDE
DVD BLOCK DIAGRAM
DACSOX,DACDATA,DACCLK
C
2.5V REG.
IC4002
S-816A25AMC
DVD DAT 0~7
DVDSTB,VALID,SOS,ERR
HD 0~15
MMPEG+1.8V
MPEG
IC4001
ZR36732
ABCLK,ALRCLK,ASDATA 0
SCLK 2
GCLK
GCLK 1
DAC,A,B,C,D
C
VIDEO_DRIVER
MM1540AFBE
X8501
27MHz
AUDIO_DAC
IC8503
AD1959YRSRL
D
IC8504
VCR BLOCK
E
AUDIO OUT L
AUDIO OUT R
ZERO
DVD OUT
DVD R
DVD G
DVD B
A
V_SYNC
CONTROL
IC1006
TC7W241FU
LDMN,LDMP
SCL,SDA,WP
A
RESET
MICON
IC1001
OEC6069A
LCAS,UCAS
DISKWD1
FCSEAR
SVCEX
HA 1~8
OE,WE,RAS
HA 8
HA 1~4
MPGCS#,MPGIRQ,I45RSTX
A
HA 1~19
FLASHCS
MBM29F800BA-55
MWR,MRD
MPCLK
FLASH
IC4006
MWR
MRD
MA 0~11
MD 0~15
SPDIF-134
C
SD-RAM
IC4004
MSM56V16160F-8
DVD RESET
TX,RX
MCSO#,MRAS#,MCAS#,MWE#,MDQM
SD-RAM
IC4003
MSM56V16160F-8
C
F-1
D-RAM
IC4005
MSM5416258B-30
A---P.CON+D5V
HD 0~15
B---P.CON+5V A
C---P.CON+3.3V
A
D---P.CON+9V
E---P.CON+5V D
F---P.CON+9V A
F-2
Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM
(SD-22VB)
IC102
TC7SB384FU
SINGLE SW IC
CYL
TUNER/JACK/
HI-FI/21PIN/OSD
MICON
HEAD AUDIO
CONTROL
CP101
9
HF1 (R)
8
HF_COM
HF2 (L)
7
SP-CH1 (R)
6
SP_COM
5
4
SP-CH2 (L)
3
EP/LP-CH1 (R)
2
EP/LP_COM
EP/LP-CH2 (L)
1
HF_COM
IIC_CLK
IIC_DATA
V. H_SW
ENV. DET
NA_REC-H
CP103
1 FE HEAD (GND)
FE HEAD (HOT)
2
CP102
1
AE HEAD (–)
2 AE HEAD (+)
5
AUDIO REC
6
AUDIO PB
Q104
Q102
NORMAL A.
REC ST SW
HF2
HF1
OSC
COIL, BIAS OSC
L104
6
1
5
4
3
Q105,Q106,
Q107
PB SW
94
92
93
89
88
87
86
91
62
63
81
84
2
X101
4.433619MHz
79
H.AMP
ENV
DET
PRE
AMP
REC
EQ
3
4
HPF
78
X TAL VCO/OSD
2MLPF
REC
MUTE
P
R
P
R
P
R
HPF
629
TRAP
7M LPM
VCA
LAG LEAD
LPF
FM MOD
FO/DEV ADJ
75
ACC
TRAP
LPF
FM AGC
1M HPF
S-DET
73
CR DET 2FSC
CTL TRAP
FH HPF
P
R
MIX
LEVELADJ
P.EQ
MAIN EMPH
CARRIER
OFFSET
W.C/DC
P
B.E
C.K
R
DELAY
S DL
60
VCA
SQPB
SQPB
CLPF
R
MAIN
CONV1
PR
P
G EQ
D LIM
DEMO
SLPF
MAIN
DE-EMPH
P
YLPF
R
CLPF
MAIN
CONV2
P
R
NL EMPH
NL DE EMPH
FBC
ALC
R
P
58
CCD
LPF
PR
CLAMP
55
C.K
N P
B.D
BPF
R
P
5
AMP
54
6db AMP
C SQUELCH
Y APA
D.E
N.C
YNP
CLAMP
Q111
LPF
52
6db AMP
CLEAR
SYNC
SQUELCH
FBC
VIDEO ALC
P
R
VIDEO
AGC
ATT
C CCD
Y CCD
ATT
51
ATT
46
35
42
39
28
HI-FI/21PIN/OSD
F-3
TUNER/JACK/
MICON
OPERATION/
DISPLAY
2FSC
NORMAL_A_IN
NORMAL_A_OUT
SWD_VIDEO
EE/VV_V_OUT
TU_V_OUT
DUMMY_V. SYNC
FRONT_V_IN
69
9
11
Y/C/AUDIO/CCD/HEAD AMP IC
IC101 HA118217F
LINE
AMP
BAND
GAP
6
18
19
2321 24
26
30
31
E-4
Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM
(SD-22VE)
SECAM CHROMA
IC4601 LA7358M
14
AGC
AMP
B
REC
ON
12
Q4606
BUFFER
REC
MUTE
Q4604
PB SW
SYNC
GATE
IREF
11
REC
PB
1.1MHz
BPF
VA
1
28
MODE
CTL
1.1MHz
OSC
9
CONTROL
LOGIC
Fo
ADJ
Q4603
VV SW
4.43MHz
OSC
Fo
ADJ
REC/
PB
17
Q4602
VA
PB
MUTE
22 18
Q4605
VV SW
PB
MUTE
B
PB
ON
16
SECAM PB
SYNC GATE
GEN / V-SEP
B
2
29
IC102
TC7SB384FU
4
SINGLE SW IC
2
Q111
5
AMP
Q112
P.CON SW
Q109
SECAM SW
MICON
CP103
2 FE HEAD (HOT)
FE HEAD (GND)
1
VV-H
SECAM_H
SYNC
SP-H
FE OSC COIL
L101
1
3
4
Q101
FE OSC
Q103
CP101
9
8
7
6
CYL
5
4
3
2
1
TUNER/JACK/
HI-FI/21PIN/OSD
MICON
CP102
AC HEAD
2 AE HEAD (+)
5
6
TUNER/JACK/
HI-FI/21PIN/OSD
HF1 (R)
HF_COM
HF2 (L)
SP-CH1 (R)
SP_COM
SP-CH2 (L)
EP/LP-CH1 (R)
EP/LP_COM
EP/LP-CH2 (L)
HF2
HF_COM
HF1
IIC_CLK
IIC_DATA
V. H_SW
ENV. DET
V.REC_ST-H
NA_REC-H
AUDIO REC
AUDIO PB
Q104
OSC
Q102
NORMAL A.
REC ST SW
NORMAL_A_IN
NORMAL_A_OUT
2FSC
V.REC_ST_SW
Q105,Q106,
Q107
COIL, BIAS OSC
L104
6
1
5
4
3
PB SW
79
78
89
88
87
86
94
92
93
H.AMP
91
62
63
81
ENV
84
DET
3
4
69
9
11
Y/C/AUDIO/CCD/HEAD AMP IC
IC101 HA118217F
PRE
AMP
REC
EQ
HPF
P
R
LINE
AMP
X4001
4.433619MHz
75
X TAL VCO/OSD
2MLPF
REC
MUTE
P
R
P
R
HPF
629
TRAP
VCA
73
ACC
TRAP
LPF
1M HPF
7M LPM
LAG LEAD
LPF
FM MOD
FO/DEV ADJ
S-DET
Q4601
BUFFER
CR DET 2FSC
CTL TRAP
FH HPF
MIX
LEVELADJ
FM AGC
P
P
R
B.E
C.K
P.EQ
MAIN EMPH
CARRIER
OFFSET
W.C/DC
R
DELAY
S DL
60
VCA
SQPB
SQPB
CLPF
BAND
GAP
6
R
MAIN
CONV1
PR
P
G EQ
D LIM
DEMO
SLPF
MAIN
DE-EMPH
50
SYNC.SEP
P
R
NL EMPH
NL DE EMPH
R
P
YLPF
R
MAIN
CONV2
FBC
ALC
P
CLPF
58
CCD
LPF
PR
CLAMP
19
55
C.K
N P
B.D
BPF
R
P
C SQUELCH
YNR
CLAMP
21
54
6db AMP
Y APA
D.E
N.C
23 2418
C CCD
Y CCD
P
R
LPF
52
6db AMP
CLEAR
SYNC
SQUELCH
FBC
VIDEO ALC
VIDEO
AGC
ATT
3026
51
ATT
ATT
31
46
46
35
42
39
14
16
28
17
Q113
COMPOUND
F-5 F-6
SECAM_IN
DUMMY_V. SYNC
PICTURE_CTL
S.DET-H
Q108, Q110
COMPOUND
FRONT_V_IN
TU_V_OUT
EE/VV_V_OUT
SWD_VIDEO
OPERATION/
DISPLAY
TUNER/JACK/
HIFI/21PIN/
OSD
MICON
MICON
CYL
TUNER/JACK/
HI-FI/21PIN/OSD
MICON
HEAD AUDIO
CONTROL
CP101
9
HF1 (R)
HF_COM
8
HF2 (L)
7
SP-CH1 (R)
6
SP_COM
5
4
SP-CH2 (L)
3
EP/LP-CH1 (R)
2
EP/LP_COM
EP/LP-CH2 (L)
1
HF_COM
IIC_CLK
IIC_DATA
V. H_SW
ENV. DET
NA_REC-H
V.REC_ST_H
FE OSC COIL
CP103
2 FE HEAD (GND)
FE HEAD (HOT)
1
CP101
2 AE HEAD (+)
5
AUDIO REC
6
AUDIO PB
Q104
OSC
Q102
NORMAL A.
REC ST SW
HF2
HF1
L101
Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM
IC102
TC7SB384FU
(SD-22VL)
SINGLE SW IC
79
78
X101
4.433619MHz
75
73
60
58
2
55
5
AMP
54
89
88
87
86
2MLPF
94
92
93
91
62
63
81
84
Q103
V.REC_ST_SW
ENV
DET
H.AMP
REC
MUTE
HPF
P
Q101
1
3
4
FE OSC
Q105,Q106,
Q107
PB SW
PRE
AMP
REC
EQ
R
P
R
3
COIL, BIAS OSC
L104
6
1
5
4
3
4
X TAL VCO/OSD
P
R
HPF
629
TRAP
1M HPF
7M LPM
VCA
LAG LEAD
LPF
FM MOD
FO/DEV ADJ
S-DET
ACC
TRAP
LPF
FM AGC
CR DET 2FSC
CTL TRAP
FH HPF
P
R
MIX
LEVELADJ
P.EQ
MAIN EMPH
CARRIER
OFFSET
W.C/DC
P
B.E
C.K
R
DELAY
S DL
VCA
SQPB
SQPB
CLPF
R
MAIN
CONV1
PR
P
G EQ
D LIM
DEMO
SLPF
MAIN
DE-EMPH
P
YLPF
R
CLPF
MAIN
CONV2
P
R
NL EMPH
NL DE EMPH
FBC
ALC
R
P
CCD
LPF
PR
CLAMP
6db AMP
C.K
C SQUELCH
N P
B.D
BPF
R
P
Y APA
D.E
N.C
YNP
CLAMP
4
Q111
LPF
52
6db AMP
CLEAR
SYNC
SQUELCH
FBC
VIDEO ALC
P
R
C CCD
Y CCD
VIDEO
AGC
ATT
51
SYNC SEP
ATT
ATT
50
46
35
42
39
28
2FSC
NORMAL_A_IN
NORMAL_A_OUT
TUNER/JACK/
HI-FI/21PIN/OSD
SWD_VIDEO
69
9
11
Y/C/AUDIO/HEAD AMP IC
IC101 HA118217F
LINE
AMP
BAND
GAP
6
18
19
2321 24
26
30
31
EE/VV_V_OUT
TU_V_OUT
MICON
OPERATION/
F-7 F-8
DISPLAY
DUMMY_V. SYNC
SYNC
FRONT_V_IN
P. CON + 5V
REEL SENS
Q3006
1
2
3
4
IC3004
PST3231NR
REEL SENS
Q3007
1
2
3
4
X3001
32.768KHz
MICON BLOCK DIAGRAM
(SD-22VB)
SYSCON/SOFTWARE/SERVO IC
IC3001 OEC7078C
79
REEL-S
80
REEL-T
41
42
XC IN
XC OUT
REMOCON
KEY-A
KEY-B
14
IIC_CLK
IIC_DATA
REM_IN
3
4
KEY-A
KEY-B
TUNER/JACK/
HI-FI/21PIN/OSD
OPERATION/
DISPLAY
REGULATOR
SUB/MICON/
OSD/VPS
AT + 5.2V
DVD_POWER_A
POWER_FAIL
VCR_POWER_ON_H
SUB_CLK
SUB DATA IN
SUB DATA OUT
SUB RESET
SW3001
D3001
SYSTEM
RESET IC
1
Q3009
FF/REW SW
FF/REW SW
Q3004
MS_SEN B
Q3005
MS_SEN A
Q3003
CENT SW
Q3001
Q3002
X3002
12MHz
Q3008
BOT SENSOR
EOT SENSOR
43
RESET
38
X IN
39
X OUT
25
FF/REW-L
81
TAB_SW
CTL AMP OUT
97
CTL SW OUT
93
MSSW_B
1
2
MSSW_A
21
CENT LED
31
DVD_POWER_A
82
P. FAIL
20
POWER ON-H A
10
BOT
6
EOT
SUB_CLK
67
SUB DATA IN
66
65
SUB DATA OUT
SUB RESET
49
IIC-SDA
IIC-CLK
V. ENV
VH SW
NA_REC-H
D.V.SYNC
CG-CLK
CG_CS
LDM CTL
DFG
CYL CTL
72
71
18
29
13
70
68CG-DATA
27FL_CS
47
87
78
69
5
6
8
EEP ROM IC
IC3099
S-24C08ADPA-01
CAP_FG
CAP/M/F/R
I_LIMIT
CAP_CTL
LDM_CTL
CYL_FG/PG
CYL_CTL
CP3001
IIC_DATA
IIC_CLK
ENV. DET
V. H_SW
NA_REC-H
DUMMY_V.SYNC
CG_CLK
CG_CS
CG_DATA
CG_CLK
CG_DATA
FL_CS
1
4
5
9
10
11
12
Y/C/AUDIO/
HEAD AMP
TUNER/JACK/
HI-FI/21PIN/OSD
OPERATION/
DISPLAY
OPERATION/
DISPLAY
SEG10
59
SEG 10
DVD_MUTE
DVD_RESET
CAP_FWD
CFG
CAP CTL
CAP_LIMIT
SUB CS.
28
17
11
85
77
12
46
DVD MUTE
DVD_RESET
SUB_CS
DVD IN/OUT
SUB MICON/
OSD/VPS
F-9 F-10
P. CON + 5V
REEL SENS
Q3006
1
2
3
4
IC3004
PST3231NR
REEL SENS
Q3007
1
2
3
4
X3001
32.768KHz
MICON BLOCK DIAGRAM
(SD-22VE, SD-22VL)
SYSCON/SOFTWARE/SERVO IC
IC3001 OEC7079D
79
REEL-S
80
REEL-T
41
42
XC IN
XC OUT
REMOCON
KEY-A
KEY-B
14
IIC_CLK
IIC_DATA
TUNER/JACK/
HI-FI/21PIN/OSD
REM_IN
3
4
KEY-A
KEY-B
OPERATION/
DISPLAY
REGULATOR
VCR_POWER_ON_H
SUB/MICON/
OSD/VPS
AT + 5.2V
DVD_POWER_A
POWER_FAIL
SUB DATA OUT
SW3001
SUB_CLK
SUB DATA IN
SUB RESET
D3001
SYSTEM
RESET IC
1
Q3009
FF/REW SW
FF/REW SW
MS_SEN B
MS_SEN A
Q3003
CENT SW
Q3001
Q3002
X3002
12MHz
Q3008
Q3004
Q3005
BOT SENSOR
EOT SENSOR
43
RESET
38
X IN
39
X OUT
25
FF/REW-L
81
TAB_SW
CTL AMP OUT
97
CTL SW OUT
93
1
MSSW_B
2
MSSW_A
21
CENT LED
31
DVD_POWER_A
82
P. FAIL
20
POWER ON-H A
10
BOT
6
EOT
SUB_CLK
67
SUB DATA IN
66
65
SUB DATA OUT
SUB RESET
49
IIC-SDA
IIC-CLK
V. ENV
VH SW
NA_REC-H
D.V.SYNC
CG-CLK
CG_CS
LDM CTL
DFG
CYL CTL
72
71
18
29
13
70
68CG-DATA
27FL_CS
59SEG10
47
87
78
69
5
6
8
EEP ROM IC
IC3099
S-24C08ADPA-01
IIC_DATA
IIC_CLK
ENV. DET
V. H_SW
Y/C/AUDIO/
HEAD AMP
NA_REC-H
DUMMY_V.SYNC
CG_CLK
CG_CS
CG_DATA
TUNER/JACK/
HI-FI/21PIN/OSD
CG_CLK
CG_DATA
FL_CS
OPERATION/
DISPLAY
SEG10
CAP_FG
CAP/M/F/R
I_LIMIT
CAP_CTL
LDM_CTL
CYL_FG/PG
CYL_CTL
1
4
5
9
10
11
12
CP3001
Y/C/AUDIO/
HEAD AMP
VV-H
SECAM_H
SYNC
SP-H
PICTURE_CTL
S.DET-H
VV-H
30
SECAM_H
23
84
C.SYNC
24
SP-H
SECAM_INSECAM_IN
15
PICTURE_CTL
76
S.DET-H
16
DVD_MUTE
DVD_RESET
CAP_FWD
CFG
CAP CTL
CAP_LIMIT
SUB CS.
28
17
11
85
77
12
46
DVD MUTE
DVD_RESET
SUB_CS
DVD IN/OUT
SUB MICON/
OSD/VPS
F-11 F-12
POWER
CP1701
1
2
3
4
5
6
7
8
POWER ON H
9
10
11
12
13
14
15
16
MOTOR +12V
MOTOR GND
AT +13V
AT 5.2V
AT 5.2V
UNREG 3.3V
UNREG 3.3V
GND
GND
P.FAIL
TUNER 32V
-22V
HEATER_DCHEATER_DC+
NC
Q1705
3.3V CTL
Q1703
P.CON 5V SW.
Q1701
Q1707
3.3V CTL
Q1702
P.CON 5V SW.
Q1708
P.CON +12V SW.
12V REG
REGULATOR BLOCK DIAGRAM
(SD-22VB)
Q1713
M-CON + 5V SW.
Q1714
M-CON POWER
SW.
Q1709, Q1711
P.CON SW.
Q1712
P.CON +9V SW.
CAP_VCO
AT+5V[M-CON]
AT+12.6V
MOTOR_GND
-22V
HEATER_DC-
HEATER_DC+
VCR POWER ON-H
POWER FAIL
DVD_POWER_A
P.CON+12V
AT+5.2V
P.CON+5V DH
MICON
OPERATION/
DISPLAY
MICON
DVD IN/OUT
F-13
3.3V OUT
Q1706
P.CON+3.3V
P.CON+9V
P.CON+5V
+32V
AT+12V
TUNER/JACK/HI-FI/
21PIN/OSD
F-14
POWER
CP1701
1
MOTOR +24V
2
3
4
5
6
7
8
POWER ON H
9
10
11
12
13
14
15
16
MOTOR +12V
MOTOR GND
AT +13V
AT 5.2V
AT 5.2V
UNREG 3.3V
UNREG 3.3V
GND
GND
P.FAIL
TUNER 32V
-22V
HEATER HEATER +
Q1705
3.3V CTL
Q1703
P.CON 5V SW.
Q1701
Q1707
3.3V CTL
Q1702
P.CON 5V SW.
Q1708
P.CON +12V
SW.
12V REG
REGULATOR BLOCK DIAGRAM
(SD-22VE, SD-22VL)
Q1713
M-CON + 5V SW.
Q1714
M-CON POWER
SW.
Q1709, Q1711
P.CON SW.
Q1712
P.CON +9V SW.
CAP_VCO
AT+5V[M-CON]
AT+12.6V
MOTOR_GND
-22V
HEATER_DC-
HEATER_DC+
VCR POWER ON-H
POWER FAIL
DVD_POWER_A
P.CON+12V
AT+5.2V
P.CON+5V DH
MICON
OPERATION/
DISPLAY
MICON
DVD IN/OUT
3.3V OUT
Q1706
P.CON+3.3V
P.CON+9V
P.CON+5V
+32V
TUNER/JACK/HI-FI/
21PIN/OSD
AT+12V
F-15 F-16
OPERATION/DISPLAY BLOCK DIAGRAM
V601 HNV-09SS33
FRONT AUDIO IN R
J603
2
1
3
FRONT AUDIO IN L
J602
1
2
FIP DRIVER IC
IC601
BU2977FS
24
25
17
816
28 23
Q601
RESET
32
12 11
30
31
24
10
34 35
4
2
1
HEATER_DC+
HEATER_DC-
REGULATOR
-22V
1
7
10
26
CG_DATA
CG_CLK
FL_CS
FRONT _A_IN_R
FRONT _A_IN_L
FRONT _V_IN
MICON
TUNER/JACK/HI-FI/
21PIN/OSD
Y/C/AUDIO/CCD/
HEAD AMP
STOP
REC/OTR
FF/CUE
PLAY
REW/REV
FRONT VIDEO IN
DVD/VCR
OPEN/CLOSE
1
J601
2
DVD LED
D681
CP681
VCR LED
D685
KEY-B
KEY-A
AT+5.2V
DVD LED
VCR LED
VCR EJECT
POWER
VCR/DVD
CH UP
CH DOWN
CP653
1
2
3
5
6
7
6
5
OS601
1
3
2
Q652
Q651
DVD/HDD LED SW
FIP ON SW
KEY-B
KEY-A
REM_IN
SEG 10
VCR_LED
DVD_LED
AT+5.2V
MICON
SUB MICON/OSD/VPS
F-17 F-18
Y/C/AUDIO/
HEAD AMP
SWD_VIDEO
EE/VV_V_OUT
2FSC
TUNER/JACK/Hi-Fi/21PIN/OSD BLOCK DIAGRAM
(SD-22VB)
NICAM IC
IC801 TDA9874AH
25
29
30
38
X801
24.576MHz
15
14
2
1
DVD IN/OUT
DVD IN/OUT
MICON
Y/C/AUDIO/
HEAD AMP
OPERATION/
DISPLAY
DVD_B
DVD_G
DVD_R
DVD_V_OUT
Y_OUT
C_OUT
DVD_A_OUT_R
DVD_A_OUT_L
SPDIF-134
CG_DATA
CG_CLK
CG_CS
IIC_DATA
IIC_CLK
HF1
HF_COM
HF2
NORMAL_A_IN
NORMAL_A_OUT
TU_V_OUT
FRONT_A_IN_L
FRONT_A_IN_R
OSD/VPS/PDC IC
IC4501
LC74775M-9839
Q8001, Q8002
D AUDIO
DRIVER
J8003
3
4
11
TU301
Q4501
BUFFER
2
2
21
10
J8001
COAXIAL
19
9
HI-FI/AUDIO/CANAL SW IC
IC701 TDA9605H
35
36
37
21
22
17
18
10
11
5
3 11
42
43
6
3
7
2
15
16
12
Q8006
MIXER
Q8005
MIXER
22
21
7
13
42
41
44
43
5
1
21
22
2
24
2
7
10
W/ACL DUAL
PRE-AMP
9
5
AV SWITCHES IC
IC8001 LA73026V
IC8003
BA3308F
Q8003, Q8004
DVD RGB
H OUT
19
30
31
23
36
25
37
28
33
34
26
20
J8005
22
8
7
11
15
16
24
40
23
41
27
19
20
6
1
2
3
2
23
J8002
AUDIO OUT
F-19
F-20
Y/C/AUDIO/
HEAD AMP
SWD_VIDEO
EE/VV_V_OUT
2FSC
TUNER/JACK/Hi-Fi/21PIN/OSD BLOCK DIAGRAM
(SD-22VE)
NICAM IC
IC801 TDA9874AH
25
29
30
38
X801
24.576MHz
15
14
2
1
J8005
22
8
7
11
15
16
24
40
23
41
27
19
20
6
1
2
3
2
23
J8002
AUDIO OUT
DVD IN/OUT
DVD IN/OUT
MICON
Y/C/AUDIO/
HEAD AMP
OPERATION/
DISPLAY
DVD_B
DVD_G
DVD_R
DVD_V_OUT
Y_OUT
C_OUT
DVD_A_OUT_R
DVD_A_OUT_L
SPDIF-134
CG_DATA
CG_CLK
CG_CS
IIC_DATA
IIC_CLK
HF1
HF_COM
HF2
NORMAL_A_IN
NORMAL_A_OUT
TU_V_OUT
FRONT_A_IN_L
FRONT_A_IN_R
OSD/VPS/PDC IC
IC4501
LC74775M-9839
Q8001, Q8002
D AUDIO
DRIVER
J8003
3
4
11
TU301
Q4501
BUFFER
2
21
10
19
9
5
3 11
TU/REAR VIDEO IN SW IC
IC8002 NJM2533V
1
3
2
21
22
7
2412
Q8003, Q8004
DVD RGB
H OUT
AV SWITCHES IC
IC8001 LA73026V
18
35
19
30
31
23
36
25
37
28
33
34
26
20
2
J8001
COAXIAL
HI-FI/AUDIO/CANAL SW IC
IC701 TDA9605H
35
36
42
43
37
21
22
17
18
10
15
16
7
13
42
41
44
43
5
1
21
22
2
6
3
7
2
11
F-21 F-22
Y/C/AUDIO/
HEAD AMP
SWD_VIDEO
EE/VV_V_OUT
2FSC
TUNER/JACK/Hi-Fi/21PIN/OSD BLOCK DIAGRAM
(SD-22VL)
NICAM IC
IC801 TDA9874AH
25
29
30
38
X801
24.576MHz
15
14
2
1
TU301
Q4501
BUFFER
DVD_B
DVD_G
DVD_R
DVD IN/OUT
DVD IN/OUT
MICON
Y/C/AUDIO/
HEAD AMP
DVD_V_OUT
Y_OUT
C_OUT
DVD_A_OUT_R
DVD_A_OUT_L
SPDIF-134
CG_DATA
CG_CLK
CG_CS
IIC_DATA
IIC_CLK
HF1
HF_COM
HF2
NORMAL_A_IN
NORMAL_A_OUT
TU_V_OUT
OSD/VPS/PDC IC
IC4501
LC74775M-9839
Q8001, Q8002
D AUDIO
DRIVER
J8003
3
4
11
2
2
21
10
J8001
COAXIAL
19
9
HI-FI/AUDIO/CANAL SW IC
IC701 TDA9605H
35
36
37
21
22
17
18
OPERATION/
DISPLAY
FRONT_A_IN_L
FRONT_A_IN_R
10
11
F-23 F-24
5
3 11
12
Q8006
MIXER
Q8005
MIXER
21
22
AV SWITCHES IC
IC8001 LA73026V
7
13
42
41
44
43
5
1
21
22
2
24
2
7
10
W/ALC
PRE-AMP
9
35 18
IC8003
BA3308F
5
Q8003, Q8004
DVD RGB
H OUT
19
30
31
23
36
25
37
28
33
34
26
20
42
43
6
3
7
2
15
16
2
7
2
TU/REAR VIDEO IN SW
1
3
IC8002 NJM2533V
J8005
22
8
7
11
15
16
24
40
23
41
27
19
20
6
1
2
3
2
23
J8002
AUDIO OUT
FROM/TO
DVD BLOCK
FROM/TO
DVD BLOCK
CP8001
1
2
3
4
5
6
7
8
9
10
11
12
13
CP8002
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
TX
RX
GND
GND
PCON+9V
PCON+9V
PCON+D5V
PCON+D5V
GND
PCON+3.3V
PCON+3.3V
GND
SPDIF-134
Y(G)
GND
C(CVBS)
GND
CVBS
GND
DVD B
GND
DVD R
GND
DVD G
GND
AUDIO-L
GND
AUDIO-R
ZERO
DVD RESET
AMP
IC8004 NJM4580M
3
5
8
DVD IN/OUT BLOCK DIAGRAM
(SD-22VB, SD-22VE)
Q8015
MUTE SW
1
7
Q8014
MUTE SW
Q8012, Q8013
MUTE SW
TX
RX
DVD RESET
DVD_MUTE
P.CON +9V
AT+5.2V
P.CON +5V DH
P.CON+3.3V
P.CON+12V
SPDIF-134
Y_OUT
C_OUT
DVD_V_OUT
DVD_B
DVD_R
DVD_G
DVD_A_OUT-L
DVD_A_OUT-R
SUB MICON/
OSD/VPS
MICON
REGULATOR
TUNER/JACK/HI-FI/
21PIN/OSD
F-25
F-26
FROM/TO
DVD BLOCK
FROM/TO
DVD BLOCK
CP8001
1
2
3
4
5
6
7
8
9
10
11
12
13
CP8002
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
TX
RX
GND
GND
PCON+9V
PCON+9V
PCON+D5V
PCON+D5V
GND
PCON+3.3V
PCON+3.3V
GND
SPDIF-134
Y(G)
GND
C(CVBS)
GND
CVBS
GND
DVD B
GND
DVD R
GND
DVD G
GND
AUDIO-L
GND
AUDIO-R
ZERO
DVD RESET
AMP
IC8004 NJM4580M
3
5
8
DVD IN/OUT BLOCK DIAGRAM
(SD-22VL)
Q8015
MUTE SW
1
7
Q8014
MUTE SW
Q8012, Q8013
MUTE SW
TX
RX
DVD RESET
DVD_MUTE
P.CON +9V
AT+5.2V
P.CON +5V DH
P.CON+3.3V
P.CON+12V
SPDIF-134
Y_OUT
C_OUT
DVD_V_OUT
DVD_B
DVD_R
DVD_G
DVD_A_OUT-L
DVD_A_OUT-R
SUB MICON/
OSD/VPS
MICON
REGULATOR
TUNER/JACK/HI-FI/
21PIN/OSD
F-27 F-28
D505, D506
D502, D503
L501
T501
7
2
6
4
Q501
SW.
20
11
12
13
14
18
15
Q502
PROTECT
CONTROL
IC503
LTV-817M-VB
PHOTO
COUPLER
POWER BLOCK DIAGRAM
(SD-22VB, SD-22VE)
IC501
KIA431
VOLTAGE
CTL. IC
3
1
9V REG
IC502
KIA7809API
2
1
CP502
HEATER_DC+
HEATER_DC-
-22V
TUNER 32V
P.FAIL
GND
GND
POWER ON H
UNREG 3.3V
UNREG 3.3V
AT 5.2V
AT 5.2V
AT +13V
MOTOR GND
MOTOR +12V
NC
Q505
3
Q504
P.CON+B
SW.
Q506
P.CON SW.
P.CON5V
SW.
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
REGULATOR
F-29
AC IN
CP503
P.CON+5V D
GND
P.CON+5V A
GND
P.CON+9V A
MOTOR GND
1
2
3
4
5
6
DVD DRIVE
F-30
D505, D506
D502, D503
L501
T501
7
2
6
4
Q501
SW.
20
11
12
13
14
18
19
15
Q502
PROTECT
CONTROL
IC503
LTV-817M-VB
PHOTO
COUPLER
POWER BLOCK DIAGRAM
(SD-22VL)
IC501
KIA431
VOLTAGE
CTL. IC
3
1
9V REG
IC502
KIA7809API
2
1
CP502
HEATER_DC+
HEATER_DC-
-22V
TUNER 32V
P.FAIL
GND
GND
POWER ON H
UNREG 3.3V
UNREG 3.3V
AT 5.2V
AT 5.2V
AT +13V
MOTOR GND
MOTOR +12V
MOTOR + 24V
Q505
3
Q504
P.CON+B
SW.
Q506
P.CON SW.
P.CON5V
SW.
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
REGULATOR
AC IN
CP503
P.CON+5V D
GND
P.CON+5V A
GND
P.CON+9V A
MOTOR GND
1
2
3
4
5
6
DVD DRIVE
F-31 F-32
DVD IN/OUT
SUB MICON/OSD/VPS BLOCK DIAGRAM
(SD-22VB)
TX
RX
MICON
OPERATION/
DISPLAY
MICON
SUB_CS
DVD_LED
VCR_LED
SUB_CLK
SUB_DATA_IN
SUB_DATA_OUT
SUB_RESET
SUB MICON
32 31
1
2
6
7
8
9
30
11
X3003
4 MHz
12
IC3005 OEC7080A
16
F-33
F-34
DVD IN/OUT
TX
RX
SUB MICON/OSD/VPS BLOCK DIAGRAM
(SD-22VE, SD-22VL)
SUB MICON
31
30
IC3005 OEC7080A
OPERATION/
DISPLAY
MICON
DVD_LED
VCR_LED
SUB_CLK
SUB_DATA_IN
SUB_DATA_OUT
SUB_CS
SUB_RESET
32
1
2
6
7
8
9
11
X3003
4 MHz
12
16
F-35 F-36
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