Panasonic Omnivision PV-9661 Service Manual page 303

PV-9661 / PV-9662
7.10. Hi-Fi AUDIO / VIDEO HEAD AMP SCHEMATIC DIAGRAM
REC VIDEO SIGNAL PB VIDEO SIGNAL
5
TO MAIN
C.B.A.P3001
P3501
UNSW +14V 4
5
GND
6
GND
2
UNSW +5V(SYS.CTL)
CYL ERROR 3
1
CYL PG/FG
18
Hi-Fi D-REC(H)
4 19
Hi-Fi REC AUDIO
Hi-Fi PB AUDIO 17
Hi-Fi HEAD SW 20
UNSW +5V(VIDEO) 16
10
DELAY REC +12V
CUE/REV/SS(L)
13
REC/PB VIDEO 11
12
PB (L)
14
HEAD AMP SW
ENV-DET 15
3
SW +12V 9
L3501
7
HEAD SW
100
8
GND
C3504
0.01
C3505
47/16V
2
Z
C3501
1
UNLESS OTHERWISE SPECIFIED;
WATTAGE OF RESISTORS IS 1/10W.
A B
CYLINDER SERVO
REC AUDIO SIGNAL PB AUDIO SIGNAL
C2613
R2603
4.7/25V
33
C2603 0.1
R2601
33 C2614 4.7/25V
C2601
0.1
R2602
C2615 4.7/25V
33
C2602 0.1
Z
Z R4409
C3507
1000P
Z
C3541
36 35 34 33 32 31 30 29 28 27 26 25 24
GND GND GND
C3506
PB +5V
ENVE
CTL
0.1 DET
PB REC
IC3501
AN3361SB
L R
SP LP/SLP R L
(HEAD AMP)
REC REC
REC REC
AMP AMP AMP AMP
-ON -ON
-ON -ON
LOGIC
Z
C3502
1 2 3 4 5 6 7 8 9 10 11 12 13
WF50
Z
Z
C3503
0.01
C3509 R3502
Z
56
L3502 L3503
Z Z
L3504
Z
C D E
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
(CYLINDER MOTOR DRIVE)
IC2601 AN3809K
CYLINDER MOTOR MAIN COIL DRIVE
BACK ELECTROMOTIVE FORCE DETECT CHARGE/DISCHARGE CTL
EXTERNAL SYNCHRONIZATION CONTROL LOGIC
Z
DIVIDER
PG/FG PULSE WAVEFORM TORQUE
GENERATOR SHAPER COMMAND OSC
GND
VCC
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Z
Z
R2604
C2612
0.1
Z
C2611
0.033
R2606 560
L4401 100
C4412
R4410 1K 0.1
C4411 0
C4413 0.1
C4408
TP4405 R4411
C4409
10/16V
1K
0.01
Z
R4408 C4407 16 15 14 13 12
Z
GND
IC4401
23 22 21 20 19
AN3328S
L R
Hi-Fi AUDIO REC
AMP
-ON
PRE PRE
HEAD AMP
AMP AMP
GND
R4407
1 2 3 4 5
560
LP/SLP SP
C4401 C4402
AMP AMP
C4406
1000P 1000P
4700P
R4403
PB Z
PB
ON
ON
14 15 16 17 18
C3532 C3528
C4405 0.01 R4405 1K
0.1 0.1
R4401 R4402
C3529 R3507 Z Z
R3505
0.01 560
56
C4404
C4403
R3506
Z Z
560
L3505
Z
F G
54
COMPARISON CHART
OF MODELS & MARKS
MODEL MARK
PV-9661 A
PV-9662 B
Not Used Z
15 16
R2605
1.2
1/4W
1
1/4W
P3502 (TO CYLINDER UNIT)
UNSW +14V
8
7 GND
6 HE+
5
VH+
4 HE-
3 MAIN COIL 1
2 MAIN COIL 2
1
MAIN COIL 3
C4414
47/6.3V
R4406 18
Z
C4410
TP4406
11 10 9
AGC
DET
REC
REC
AGC
AMP
REC
Z
-ON PB-ON
R4412
6 7 8
R4413
UPPER CYLINDER UNIT
TP4402
P3503 PIN
Z Hi-Fi AUDIO
7 Hi-Fi AUDIO L HEAD 7
L HEAD
9 Hi-Fi AUDIO R HEAD 9
Hi-Fi AUDIO
8 Hi-Fi AUDIO L/R HEAD 8 R HEAD
6
VIDEO SP L HEAD 6 VIDEO SP
L HEAD
4 VIDEO SP R HEAD 4
VIDEO SP
5 VIDEO SP L/R HEAD 5
R HEAD
3 VIDEO LP/SLP R HEAD 3
VIDEO LP/SLP
1 1
VIDEO LP/SLP L HEAD R HEAD
VIDEO LP/SLP L/R HEAD VIDEO LP/SLP
2 2
L HEAD
TP3501
Hi-Fi AUDIO/VIDEO HEAD AMP C.B.A.
WF49 VJBS5019
H I J
COMPARISON CHART
OF MODELS & MARKS
MODEL MARK
PV-9661 A
PV-9662 B