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Timing Chart - Panasonic PV-4601 A Service Manual

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TIMING CHART

BASIC OPERATION WITH MODE SELECT SWITCH
Degree
18.0
54.2
107.2
POS#
1
2
3
SW1
SW2
SW3
SW4
EJECT
STOP
TIMING CHART 1
ACTION
CASSETTE IN/PLAY (S-TAB OFF)
POSITION
1
2
TIME ms*
2.6S
LOADING
1-1
FWD(H)
(PIN 10)
LOADING
REV(H)
(PIN 9)
CAPSTAN
ON(H)
1-4
1-5
H
CAPSTAN
R(H)/S(M)/F(L)
(PIN 42)
CYLINDER
1-3
ON(L)
VIDEO EE(H)
(PIN 11)
AUDIO
MUTE(H)
(PIN 5)
PB(L)
(PIN 6)
NOTE: 1) PIN NO. WITH BRACKET INDICATES PIN NO. OF IC6001.
2) *:IT SHOWS MAXIMUM TIME.
MODE BY MODE OPERATION
1. CASSETTE IN /PLAY(WITHOUT SAFETY TAB)
1-1. The Loading Motor starts rotation in a forward direction.
1-2. The Cylinder starts rotation for quick play.
1-3. The Loading Motor stops.
1-4. The Idler Gear swings over to Takeup Reel.
1-5. Supply Reel rotates until the cassette reaches the down position.
If the mechanism does not reach position 3 from position 1 within 2.6
seconds, the mechanism moves to position 1 to eject the tape. If the
mechanism does not reach position 4 from position 3 within 3 seconds,
the mechanism moves to position 1 to eject the tape. If the mechanism
does not reach position 7 from position 4 within 8 seconds, the unit shuts
off.
159.8 167.1 181.5 188.8 209.2
4
5
6
7
8
REV
STBY
3
4
5/6
7
350 3S
5S
8S
200
1-3
M
L
L
TIMING CHART 2
ACTION
POSITION
233
TIME ms*
9
A
LOADING
FWD(H)
(PIN 10)
LOADING
REV(H)
(PIN 9)
CAPSTAN
ON(H)
CAPSTAN
R(H)/S(M)/F(L)
(PIN 42)
CYLINDER
ON(L)
PB(L)
(PIN 6)
NOTE: 1) PIN NO. WITH BRACKET INDICATES PIN NO. OF IC6001.
2) *:IT SHOWS MAXIMUM TIME.
PLAY
FF/REW
MODE BY MODE OPERATION
2. CASSETTE IN /STOP(WITH SAFETY TAB)
2-1. The Loading Motor starts rotation in a forward direction.
2-2. The Idler Gear swings over to Takeup Reel.
2-3. Takeup tape slack.
2-4. Supply Reel rotates until the cassette reaches the down position.
TIMING CHART 3
ACTION
8
9
POSITION
100
2S
TIME ms*
LOADING
FWD(H)
1-3
(PIN 10)
LOADING
REV(H)
(PIN 9)
CAPSTAN
ON(H)
CAPSTAN
M
R(H)/S(M)/F(L)
L
(PIN 42)
CYLINDER
ON(L)
VIDEO DELAY
REC(H)
(PIN 37)
VIDEO EE(H)
(PIN 11)
AUDIO
MUTE(H)
(PIN 5)
PB(L)
(PIN 6)
NOTE: 1) PIN NO. WITH BRACKET INDICATES PIN NO. OF IC6001.
2) *:IT SHOWS MAXIMUM TIME.
MODE BY MODE OPERATION
3. PLAY/REC
3-1. The Cylinder Motor starts rotation for quick play.
3-2. The Loading Motor starts rotation in a forward direction.
3-3. The Capstan Motor rotates in a forward direction to the Idler Gear
swings over to Takeup Reel.
3-4. When the Mode Switch reaches position 9, the Loading Rev(H) signal
goes HIGH to apply a brake to the Loading Motor.
Then the Loading Motor stops quickly.
CASSETTE IN/STOP (S-TAB ON)
1 2
3
4
5/6
7
350
3S
200
2.6S
2-1
2-3
2-4
2-2
H
M
L
L
H
PLAY/REC
7
8
2S
2.6S
3-2
3-3
M
L
3-1
REC
PLAY
8
9
8
7
5S
200
2.6S
100 10
2-3
M
9
2S
100
3-4
L
REC
PLAY
REC
PLAY
PLAY
REC

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