ETF7 TAPE MODULE
(Non-Dolby Version)
9-1
9-1
TABLE OF CONTENTS
Tape Module Wiring & variation table ....................... 9-1
Block diagram ............................................................ 9-2
Brief Introduction ....................................................... 9-3
Connector assignment ............................................... 9-4
Tape deck electronics & Tape adjustments ............... 9-5
ETF7 Non-Dolby board layouts ................................. 9-6
Analog Circuit diagram .............................................. 9-7
Servo Circuit diagram ................................................ 9-8
Exploded views & parts list ........................................ 9-9
Electrical parts list .................................................... 9-13
REC
FWD
CRO2*
REC
REV
MODE
SW
TAPE DECK
MOTOR
TO ETF BOARD
CONNECTOR 1710 (ND) 5P
CONNECTOR 1720 (DB) 6P
TO ETF BOARD
CONNECTOR 1770 (ND) 14P
CONNECTOR 1740 (DB) 14P
TO ETF BOARD
CONNECTOR 1730 (3P)
Tapedeck wiring (Double deck)
+
–
H
L
CRO2*
Mechanism B
Mechanism A
* Not for Ferro version
Chrome/Ferro
Chrome/Ferro
Ferro
2624
-
-
100nF
2701 , 2702
150pF
270pF
270pF
2703 , 2704
100pF
220pF
220pF
2717 , 2718
10nF
15nF
15nF
2721 , 2722
6,8nF
6,8nF
-
2727 , 2728
470pF
1nF
1nF
3616
10k
1k
1k
3618
6k8
-
-
3620
10k trimmer
-
-
3622
-
10k trimmer
10k trimmer
3672
4k7
-
-
3676
47k
-
-
3687
220R
220R
-
3688
680R
-
-
3723 , 3724
15k
18k
18k
3725 , 3726
10R
10R
-
3727 , 3728
5k6
6k8
6k8
3729 , 3730
3k3
4k7
4k7
3743 , 3744
1k5
2k2
2k2
3745 , 3746
3k3
5k6
5k6
3754 , 3755
1M
47R
47R
Variations table for Analog Circuit
Autoreverse
Non-autoreverse
ND/DD/FR
ND/DD/FF
Autoreverse
Non-autoreverse
ND/DD/FR
ND/DD/FF
Chrome/Ferro
Chrome/Ferro
Ferro
3769
12k
8k2
8k2
3772
6k8
5k6
5k6
4785
-
-
0R jumper
3774
15k
8k2
8k2
6614
1N4148
-
-
7616
BC857B
-
-
7622
BC847B
-
-