FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
COMPARISON CHART
OF MODELS & MARKS
PVQ-V201
PV-V4021
PV-V4021-K
- - - - - - - -
VHQ-401
VHQ-41M
PV-V4511
PV-V4521
PV-V4521A
PV-V4521-K
- - - - - - - -
VHQ-451
PV-V4611
- - - - - - - -
Not Used
A
B
C
D
E
F
G
H
I
J
K
L
M
N
Z
MODEL
MARK
R6518
C6316
R6371
22K
47
R6346
R6375
2700
R6514
R6503
C6506
C6505
Q6503
330/6.3V
C6306
MA4051-M
D3007
R6377
2700
R6504
R6505
C6321
0.1
C6503
R6521
10K
R6512
R6381
1K
Q6505
100/6.3V
C6305
R6519
R6373
2700
R6515
C6508
R6510
L6301
100U
R6379
1K
Q6502
C6504
R6508
R6374
2700
R6513
R6520
MA4051-M
D3006
R6382
1K
L6302
47U
R6378
1K
Q6303
2SB709A
C6507
C6502
R6502
R6509
R6380
1K
R6370
120
Q6510
Q6504
75
R3001
C6301
R6376
2700
0.1
C6307
Q6509
L6303
3R3
C6320
330/6.3V
Q6508
Q6302
IMT17
Q6301
IMT17
J6501
J6355
J6357
J4151
J6356
TP6302
TP6301
VIDEO
AUDIO
(L)
(R)
JK3002
D6326
MA165
J6307
R6365
100K
SW6307
J6306
J6302
J6318
TP6303
R6366
100K
J6315
R6367
100K
SW6315
SW6312
J6319
J6309
J6317
SW6303
D6325
MA165
J6301
J6311
TP6306
J6310
J6312
SW6306
R6369
100K
J6313
SW6304
SW6309
R6368
100K
J6320
J6305
J6304
SW6314
SW6310
SW6316
R6364
100K
SW6311
J6308
J6303
SW6308
J6316
SW6302
TP6304
TP6305
J6314
SW6313
SW6301
SERIAL DATA 1
SERIAL CLOCK 1
IC6301 CS(L)
LED +5V
IR DATA
SCAN 2
SCAN 1
KEY DATA 1
KEY DATA 2
KEY DATA 3
KEY DATA 4
KEY DATA 5
KEY DATA 13
KEY DATA 12
KEY DATA 8
KEY DATA 11
KEY DATA 10
UNSW+5V (SYS.CTL)
KEY DATA 9
POWER LED ON(L)
IC6301 CLK
VIDEO 2
AUDIO 2 L CH
AUDIO 2 R CH
REC VIDEO SIGNAL
REC AUDIO SIGNAL
3
2
K
A
6
B
H
5
E
4
G
J
F
I
D
C
1
8
L
7
M
16
IC6301
18
DIGIT 1
20
PANEL CONTROL
19
10
17
6
SEGMENT J
GND
SERIAL CLOCK 1
9
11
21
SERIAL DATA 1
7
4
1
PT6957E
5
22
23
12
INDICATOR
8
2
3
15
24
13
14
28
27
26
25
8
(DISPLAY TUBE UNIT)
LSSZ0001
2
13
7
5
1
11
14
12
U6301
3
10
6
4
9
15
9
14 15
8
12
10 11
U6301
13
LSSZ0002
INFRARED
RECEIVER
UNIT
OUT
1
3
GND VCC
2
LSSZ0004
U6302
(SWITCHING)
(SWITCHING)
(SWITCHING)
TO MAIN I
TO MAIN V
TO MAIN I
TO MAIN V
TO MAIN IV
TO MAIN II
TO MAIN I
IC6301 CS(L)
DIGIT 2
DIGIT 3
DIGIT 4
GND
DIGIT 5
SEGMENT I
SEGMENT H
SEGMENT G
SEGMENT F
SEGMENT E
SEGMENT D
SEGMENT C
SEGMENT B
SEGMENT A
ENABLE B
ENABLE A
(SWITCHING)
(SWITCHING)
(SWITCHING)
(SWITCHING)
(SWITCHING)
(SWITCHING)
(SWITCHING)
TO MAIN II
VCC
GND
(DISPLAY TUBE UNIT)
VCR LED ON(H)
TIMER LED ON(H)
REW LED ON(H)
FF LED ON(H)
PLAY LED ON(H)
REC LED ON(H)
I
B,C,D,F,I
Z
A,E
Z
B,C,D,F,I
B,C,D,F,I
A,E
Z
B,C,D,F,I
B,C,D,I
Z
REW
B,C,D,F,I
STOP/EJECT
UNLESS OTHERWISE SPECIFIED;
A,B,C,
D,E,F
B,C,
D,I
Z
CH DOWN
Z
B,C,D,I
FF
B,D,I
I
A,E,F
Z
REC/
TIME
PLAY
B,C,D,
F,I
C
REW
A,E,F
A,E,F
A,E
A,E
PNP TRANSISTORS IS 2SB709A,
NPN TRANSISTORS IS 2SD601A AND
A,E,F
STOP/
EJECT
Z
FF
CH UP
Z
VCR/TV
SWITCHES IS EVQ11A09K.
VCR/TV
POWER
Z
Z
B,C,D,E,F
A,E,F
A,E,F
Z
PLAY
REC/
TIME
A,I
Z
330
270
330
220
220
220
330
10K
10K
10K
10K
10K
10K
10K
Z
Z
Z
Z
Z
Z
Z
A,E
A,E
B,C,D,F,I
(5.1V)
(5.1V)
B,C,D,F,I
Z
I
B,C,D,I
MAIN III (OPERATION) SCHEMATIC DIAGRAM (A, B, C, D, E, F, I)
a
b
c
d
e
f
g
a
b
c
d
e
f
g
h
a
b
c
d
e
f
g
a
b
c
d
e
f
g
h
j
i
2G
4G
3G
1G
5Ga
M
A
2Gj
5Gb
1Gi
4Gh
VCR
Hi-Fi
TIMER
A
D
E
H
I
J
F
G
K
VCR TIMER
B
C
Summary of Contents for Quasar Omnivision PV-V4021-K
Page 9: ...2 Fault indication will be displayed in F I P as shown Fig 2 2 FIg 2 3 9 ...
Page 13: ...5 1 4 1 3 Service Position 2 2 Model M N Fig 4 2 2 13 ...
Page 27: ...Fig D2 6 1 2 1 Notes in chart 27 ...
Page 30: ...Fig D5 2 30 ...
Page 32: ...32 ...
Page 33: ...6 2 2 Inner Parts Location Fig J1 1 33 ...
Page 34: ...34 ...
Page 36: ...Fig J2 1 2 36 ...
Page 67: ...11 2 MECHANISM BOTTOM SECTION 67 ...
Page 68: ...11 3 CASSETTE UP COMPARTMENT SECTION 68 ...
Page 70: ... Model PV V4511 PV V4521 PV V4521 K VHQ 451 70 ...
Page 71: ... Model PV V4611 71 ...
Page 73: ... Model PV V4611 73 ...
Page 78: ...12 2 MECHANICAL REPLACEMENT PARTS LIST MECHANICAL REPLACEMENT PARTS 78 ...
Page 81: ... 81 ...
Page 88: ... 88 ...
Page 90: ...90 ...
Page 95: ...95 ...
Page 105: ...105 ...
Page 109: ...109 ...
Page 145: ...1 2 Schematic Diagram Circuit Board Layout 2 ...