Panasonic PV-D301 Service Manual page 201

HEAD AMP SCHEMATIC DIAGRAM
4
TO MAIN C.B.A.
FP6
FP3501
PB VIDEO 12
REC VIDEO 11
3
ENV-VOLTAGE 10
ENVELOPE DET 9
VIDEO DELAY REC(H) 8
REG+4.5V 7
HEAD AMP SW 6
HEAD SW 5
FLYING ERASE ON(L) 4
REG+4.5V 3
GND 2
GND 1
2
1
A A A
"FOR REFERENCE ONLY"
C3502
C3504
R3501
R3502
R3503
36 35 34 33 32 31 30 29
ENV. PB-ON
DET
SP SLP
SP SLP
IC3502
(HEAD AMP)
L R L R
REC-ON REC-ON
1 2 3 4 5 6 7 8
C3508
C3509 C3506 C3507
C3510 C3505
TP3303 TP3302
L3301
C3301
R3301
TP3301
R3302
C3302
B C
NOTE:
HEAD AMP IS NOT SERVICEABLE AND IS
SUPPLIED AS A CYLINDER UNIT ONLY FOR REPLACEMENT.
REC VIDEO SIGNAL
C3501
C3503
28 27 26 25 24 23 22 21 20 19
REC(H)
AT
ENV.
9 10 11 12 13 14 15 16 17 18
UPPER CYLINDER
R3304 R3303
C3303
R3305
Q3302
SWITCHING
C3304 FLYING
ERASE ON
Q3301
SWITCHING
L3302
FLYING
C3306
ERASE ON
C3305
D E
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
Note:
For distinguishing marks A from AA, D from DA, etc.,
refer to "1 MODEL NO. IDENTIFICATION MARK IN
THIS SERVICE MANUAL" section.
PB VIDEO SIGNAL
VIDEO SLP
(R) HEAD
VIDEO SLP
(L) HEAD
VIDEO SP
(R) HEAD
VIDEO SP
(L) HEAD
FLYING
ERASE
HEAD
F
COMPARISON CHART
OF MODELS & MARKS
MODEL
MARK
PV-D301 A
PV-D301 AA
VM-D101 B
PV-L501 C
PV-L551 D
PV-L551 DA
PV-L561 E
PV-L561 EA
PV-L581 F
PV-L581 FA
PV-L51 G
PV-L51 G A
PV-L601 H
PV-L601 HA
PV-L651 I
PV-L651 IA
PV-L661 J
PV-L661 JA
PV-L681 K
PV-L681 KA
PV-L61 L
PV-L61 LA
VM-L451 M
VM-L451 MA
Not Used Z