Panasonic AG-1340P Service Manual page 57

SYSTEM CONTROL & SERVO / TIMER SECTION BLOCK DIAGRAM
:MAIN SIGNAL PATH IN REC MODE
DP7501
TIMER DISPLAY
1 2 44 45 5 12 14
HE (+)
FROM
POWER
SECTION
HE (-)
POWER
S7515
REC/OTR CH DOWN
S7507 S7505
T.REC CH UP
S7506 S7508
IC0201 CAPSTAN MOTOR DRIVE
TL0201 CAPSTAN
MOTOR
6 1 24
Q0203
MOTOR DIFFERENTIAL
5 2 22
DRIVE AMPRIFIER
4 3 25
Q0201 L0201
26
27
1
H3 2
POSITION
Q0202 3 SIGNAL
UNREG PROCESS
H1 4
14V
5
H2 6
9
LOADING
MOTOR
P2001 P2002
M
19
1 9
P2001 P2002
21
2 8
CYLINDER STATOR UNIT
INPUT OUTPUT
MODE
PIN 15 PIN 16 PIN 19 PIN 21
MAIN COIL 1
H L H L FORWARD
MAIN COIL 2
L H L H REWIND
MAIN COIL 3
H H L L BRAKE
L L OPEN OPEN STOP
HALL
IC
SW 1
TO
TUNER
SW 2
CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type recommended by the
equipment manufacturer.
Discard used batteries according to manufacturer's instructions.
:MAIN SIGNAL PATH IN PLAYBACK MODE :CAPSTAIN SERVO SPEED LOOP
IC7501 TIMER
23 33 39
11 G1
17 G7
GRID SIGNAL
18 S18
SEGMENT SIGNAL
36 S1
AN3 AN2
4 5
PICT
S7504 VCC
SEARCH FF STOP
S7509 S7512 S7510
REW EJECT
S7511 S7502
PLAY
S7513
TL P0201 P2002
TORQUE
12
AMP
CONTROL
1
P0201 P2002
EC
10
AMP 2
TORQUE P0201 P2002
7
DIRECTION
3
28 +5V
18 UNREG 14V
P0201 P2002
15
CONTROL 12
LOGIC
P0201 P2002
16
11
IC2501 CLYNDER MOTOR DRIVE
P2901 PG/FG
M1
1
M1 9
M2
HE- 8 MOTOR DIFFERENTIAL TORQUE
2
DRIVE AMPRIFIER CONTROL
VM 7
M3
16
VM 6
GND 5
HE+ 4
HE-
7
M3 3
SCHMIT
HE+
HE+ 2
6
M2 1
Lithium
Battery
B6001 D6003
K6002
BACK-UP
:CAPSTAIN SERVO PHASE LOOP
IC6001 SYSTEM CONTROL & SERVO
S DATA 1 68 IC TALK
69
IC LSN
S CLK 2 70 IC CLK
CS 3 65 FL DRV CS
75 HALF.WAVE H
11 CURRENT LIMIT H
76 CAP ET
74 CAP R/F
67 LOADING H
66 UNLOADING H
4 90 CYL PFG
9 77 CYL ET
44 LC.OSC IN
45 LC.OSC OUT
41 CH H/L SW1
42 VCR/TV/SW2
TL7510
TW1004
34 L
RESET
37 D VDD
D6002
+5V
BLK-1
:CYLINDER SERVO SPEED LOOP :CYLINDER SERVO PHASE LOOP
POS. SW2 32
POS. SW3 31
POS. SW1
33
CTL. HEAD(-) 94
CTL. HEAD(+) 95
+B
CAP FG IN 87
S-PHOTO 7
T-PHOTO 8
IC6004
IC6003
IR RECEIVER
S-RELL
1 2 3
SENSOR
IR REMOCON 14 +5V
2 1
TL6013 TL6012
S.REEL PULSE 79 3 4
T.REEL PULSE 80
S. TAB 26
L
SAFETY
TAB SW
32KHz IN 35
X6002
S6001
32KHz OUT 36
12MHz IN 38
X6001
39
12MHz OUT
CV OUT 52
CV IN 50
I2C CLK 71
I2C DATA 72
TRACKING ENVE. 9
ART. V/H/N 13
VIDEO HSW
18
TW2001
D A REC H 20
A MUTE 61
FM. MUTE H 60
IC6002
RESET
1 3 2
P.FAIL L 78 +5V
PICT 2 15
P OFF H 83
QR6002
BIAS L 100
1
2
S2001
3
MODE SW
4
P4001
5
CTL HEAD
P4001
6
+5V
P2002 P0201
CAPSTAN
4 4
FG HEAD
+5V +5V
IC6005
T-RELL
SENSOR
2 1
Q6002 D6006 Q6003
3 4
TAKE UP SUPPLY
SENSOR
PHOTO LED PHOTO
SENSOR SENSOR
I2C DATA
TO/FROM
AUDIO
SECTION
I2C CLK
OSD VIDEO OUT
OSD VIDEO IN
I2C CLK
I2C DATA
TRACKING ENVE
TO/FROM
ART.V/H/N
VIDEO
H.SW SECTION
H.SW
A .MUTE
FM .MUTE H
TO
AUDIO
SECTION
D A REC H
PICT2
Q1341
REG. CONT.
TO
VIDEO
SECTION
BIAS L