Sony DTC-670 Service Manual page 48
Digital audio tape deck
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Also See for DTC-670:
- Operating instructions manual (42 pages) ,
- Operating instructions manual (41 pages)
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PinNo.
PinName
UO
Connected to
Description
6 l
62
MST-CK
PB-DT
I
I
cxD260lAQ
RF Amp
Master clock (9.408MH2)
PB Data inDut to create ATF Svnc
63
g
65
66
67
SWP
D PWM
C-PWM
PWM R
TEN PWM
o
o
o
o
o
cxD260rAQ
Mechanism
Mechanism
Mechanism
Mechanism
Switching Pulse "L": Ach, "H": Bch
PWM OutforDrum
PWM Out for Capstan
PWM Out for Reel
PWM Out for Tension Regulator Plunger
68
69
70
7 1
72
AGC-PWM
SBSY
TEST
POW DN
vdd
o
I
I
I
RFAmp
cxD2601AQ
Pull-up
PWM Out for AGC
J of subsync is detected (XINT2).
Test Mode (active "L")
Not in use
Power terminal (+5 V)
t )
t.+
75
76-80
Vss
ATF-S2
o
cxD260lAQ
Power terminal (GND)
Not in use
ATF Sampling Pulse
Not in use
ccw
(counterclockwise)
cw
(clockwise)
STOP
(only inPOWERON)
L
L
FWD
L
H
RVS
H
L
Prohibit
H
H
* I Reel motor control
*3 Casecon motor control
*4 Encoder
RE. FWD
O P
, l
5T
,ro,
*5 End sensor
RF-FWD
RE STOP
Position
L
L
EIECT
L
H
STOP
UNLD.STOP
H
L
FWD
H
H
STOP-FWD
*2 Loading motor control
LE
LL
L
L
LOAD
L
H
EIECT
H
L
Brake
H
H
EJECT
:
OUT
IN
L
L
IN
L
H
our
H
L
Brake
H
H
- 4 6 -
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- Schematic Diagram
- Electrical Parts List
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