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SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAMS
VIDEO BLOCK
SWP
J101
V
L
CN002
TU AL(REC)
1
TU V(REC)
2
RE LINE L
3
RE LINE Y
4
NC
5
RE LINE C
6
TU AL(TV)
7
TU V(TV)
8
NC
9
TV C
10
GND(A)
11
TV Y
12
TV V
13
SP L OUT
CN251
J1102
HEADPHONE
1
GND(SP)
2
GND(SP)
3
FROM IC001
$$¶, ,$ª
1
FACT MODE
2
V OUT 3
AL OUT 4
NC 5
GND (A)
FOR JIG
PB AL
PB V
CN1004
6
RF ENV
26
REC VIDEO
4
SW(REC)
6
PB VIDEO
5
SW(REC)
2
PB VIDEO
3
REC CUR
30
GND
CN702
4
HIFI CH2 F
SYSTEM CONTROL,MAIN MICON,
VCR SERVO,AUDIO OUT,Y/C PROCESS,
AUDIO PROCESS,VIDEO
•
AFM REC/PB AMP
CN701
1
HIFI CH2 S
2
SP CH1 F
3
SP CH1 S
4
HIFI CH1 F
5
HIFI CH1 S
6
SP CH2 F
7
SP SH2 S
8
RF SWP
CHECK
CONNECTOR
3
PB RF
2
REC CUR
1
IC701 VIDEO REC/PB AMP
CLOCK
20
DATA
LOGIC
SP CH1
HIFI CH2
HIFI CH1
SP CH2
19
COMP SYNC
VCR L
39
VCR V
40
PB AL
46
PB V
47
TV L
SP
30
D +5V
FACT MODE
FUNCTION
LED
D1303-D1308
S1301
EJECT
FUNCTION KEY MATRIX
K1
A
2
IC1101
SIRCS
LED 2
LED 1
OUT
S001
B
C
D1117
D1119
D1118
K2
K3
K4
K2
K3
K4
S1102-S1109
9 D 5V D 5V
CN1301
8 LED 6
9
23 24 25 26
28
51
52
SIRCS
20
FACT
17
KEY1
34
KEY2
33
RESET
IC001 MAIN µ-COM
30
G SW
38
GP A
11
GP B
12
GP C
13
SP MUTE
64
VOL
54
A MUTE
31
H SYNC 0
22
MUTE
Q009
29 14 15 23 24 25
X001
8.38MHz
7 LED 5
6 LED 4
5 LED 3
4 LED 2
3 LED 1
2 EJECT
1
8
7
6
5
4
3
2
1GND A
CN004
LED 6
LED 5
LED 4
LED 3
LED 2
LED 1
EJECT
GND A
IO
IC003 RESET
MUTE
Q201
TV(L)
5
SVRR
7
VOL
3
MUTE
10
FR V
8
FR Y
FR AL
9
IC901 A/V SW
18
RF SWP
17
REC RF
28
PB RF
22
BUFF
Q701
V FM BUFF
Q801
Y/C MIX
Q815
BUFF
Q901
BUFF
Q830
V FM AMP
Q803
15
17
IC802 Y/C PROCESS
V PB IN
Y IN
C IN1
C IN2
21
TRICK HIGH OUT
V PB
20 V SUB PB
18 Y REC
14 C REC
66 RF SWP
37 COMP SYNC
AL OUT
79 NOR AU
64 SDA
63 SCL
OUT1 OUT1
30 VCR V IN
38 VCR V OUT
V FM AMP
Q808
BUFF
Q812
JOG SW
Q809
SDA 1
27
SO1
80
60 66 1
1C402 SYSTEM CONTROL
28
4
33QVD
70MUTE CTL
65SECAM/S VHS D
62ACK OUT
7AUDIO IN(PB)
-VIN 1
OUT2
-VIN 2
+VIN 1
80A-H SW
6BIAS SW
5AUDIO OUT(REC)
26CLAMP IN
25REC/PB SIG.
40
IC1001
AUDIO HEAD SW
T1001
BIAS OSC TRANS.
3
1
34
5
6
5
2
72
CAP RVS
CAP FG
CAP PWM
AUDIO
REC/PB HEAD
AUDIO
ERASE HEAD
TO
A BOARD
CN302
CTL HEAD
FRC
VS
LIMIT
FULL
ERASE
HEAD
70
84
73
D +5V
D451
T/S
LED
Q452
TAKE-UP
END SENSOR
Q453
SUPPLY
END SENSOR
21
OUT1
IC403(1/2)
CAP MOTOR D/A AMP
LED DRIVE
Q451
-V IN1
CAP DA
CAP STOP
STEP PLS
T/S LED
T SENS
S SENS
DRA DA
DRM FG
DRM PG
CAM LOAD
CAM UNLOAD
CAM(-)
CAM(+)
REC COUNT
REC CTL
OUT2
-V IN2
DRUM FG
DRUM PG
34
99
35
61
62
7
77
PB CTL67
CTL HYS/HIGHT5
XTAL42
EXTAL
CAM1
CAM2
43
C IN17
ASURA CS
LED 3
LED 4
LED 5
LED 6
CTL RESET
ASURA CS
SECAM
SECAM
SLAVE RST
SI
SO
SCK
XTAL
EXTAL
NT JUDGE
SECAM/S VHS D
A MUTE
QVD
SCL O
SDA O
RF SWP
V SYNC
RF ENV
PB V
PB AL
ASURA RESET
S OUT 0
S IN 0
S CLK
S451
REC PRF
X430
16MHz
SDA
TO
IC901
@§, ,@¶
TO
A BOARD
CN301
5
IC002 N.V.M.
CLK6
4745464044
7
11
IC403(2/2)DROM D/A AMP
74
6 7
7 D VS
CN401
HALL
DEVICE
OUTPUT
IC1 DRUM MOTOR DRIVE
OUTPUT
MATRIX
M901
DRUM
MOTOR
7
6 GND(M) 6
5 D FG 5
4 MTR 12V 4
3 D PG 3
2 GND(A) 2
1 SW 5V 1
M903
LOADING MOTOR
1 CAM(-) 1
2 CAM(+)Ł
2
3 CAM(+)
CN404
S401
3
1 MODE 4
ROTARY
SWITCH
MECHA
POSITION
M
1
2 MODE 3 2
3 MODE 2 3
4 MODE 1 4
5 GND(A) 5
69
68
8
9
3
IC401
CAM MOTOR DRIVE
4
2
10
MODE 4 19
MODE 3 20
MODE 2 21
MODE 1 22
T REEL FG
S REEL FG
64
63
SDA0 48
SCL0 50
SDA1 47
SCL1 49
1TU/2TU 18
RST Q 3
AFT0 36
OSD R 41
OSD G 42
OSD B 43
OVP 37
YS 45
DGC 5
1
BINT 27
NS 53
1 1TU/2TU/NI
2 S SEL R
3 AFT1/RST Q
4 AFT 0(TV)
5 OSD R
6 OSD G
7 OSD B
8 OVP
9 YM/YS
10 DGC
11 SDA1
12 SCL1
13 B INT
14 NS
15 V PLS
16 H PLS
17 CRT PWR
18 VCR PWR
19 VM SW
20 RELAY IN
21 RELAY OUT
CN001
V PULSE 60
CRT POW 61
VCR POW 62
VM SW 10
M SW 36
H PULSE 59
INV
Q003
S1101
POWER
T REEL FG
PH452
S REEL FG
PH451
4
1
IC404
CTL AMP
IC405
CTL AMP
5
2
7
3
SW
Q402
1
CLK BUFF
Q823
C BUFF
Q825
Y BUFF
Q824
BUFF
Q821
OSC
Q1001
BIAS SW
Q1002
X802
3.58MHz
X801
4.43MHz
Y IN
52C IN
55OSC
56OSC
48C OUT2
50C OUT1
60OSC
59OSC
42
3
1
5
IC801 1H DELAY
10
13
7
Y OUT
CONT 2
41 660/50
CONT 1
43 11NT+2FSC
C OUT
CLK
Y OUT
3 GND(AV)
1 D 5.8V
CN1003
2 GND(A)
3 SW 5V
4 SW 9V
CAP FG
AMP
CAPSTAN
FG
SENSOR
5 GND(M)
6 MTR 13.2V
7 VCC(SP)
8 GND(SP)
CN1001
2
14
M902
CAPSTAN
MOTOR
IC1
CAPSTAN
MOTOR DRIVE
HALL
DRIVE
U(+)
U(-)
V(+)
V(-)
W(+)
W(-)
16
15
132
SW 5V
CN403
11
CAP RVS
22
CAP FG
33
REF
44
CAP VS
55
LIM
66
MTR 13V
77
GND(M)
88
GND(A)
99
2
3
4
5
22
21
6
NC
1 FE HEAD
6 CTL(X)
CN1002
5 CTL(Y)
4 A ERASE HEAD
3 GND(AV)
2 A HEAD REC
1 A HEAD PB
49
30
SCK1
81
SW POS
SW P
50
SCL 1
26
TV V
33
V BUFF
Q902
RE AL
16
RE V
15
RU AL(TV)
22
RU V(TV)
23
OUT
14
IC201 AUDIO OUT
BUFF
Q002
INV.
Q001
55
79 10
M
M
FF10
CAPSTAN MOTOR
DRUM MOTOR
EJECT SW,
LED
10
D
A
MA10
TO
A BOARD
CN303
B
77
73 VCR AL IN
BUFF
Q1101
5-2. CIRCUIT BOARDS LOCATION
F
FF10
MA10
A
CV