ETF7 TAPE MODULE
(Non-Dolby Version)
9-1
9-1
PCS 103 373
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
DB
=
Dolby B NR
DD
=
Double Deck
FF
=
Non-Autoreverse
FR
=
Autoreverse Deck B
ND
=
Non-Dolby
SD
=
Single Deck
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
OPTIONS / VARIANTS TABLE
MODULE
ETF7
VARIANT
1
2
3
FEATURES
DB/DD/FR ND/DD/FR ND/DD/FF
Deck configuration
double
double
double
Deck type (Tokyo Pigeon)
CWE
CWE
CWE
Autoreverse
yes (B)
yes (B)
no
Auto Replay
no
no
yes (A+B)
Motor configuration
single
single
single
Auto tape type selection
yes
yes
yes
Dolby type B Noise Reduction
yes
no
no
19 kHz pilot suppression
yes
no
no
Normal / High speed dubbing
yes
yes
no
Cue/Review & Fwd/Rewind
yes
yes
yes
ND/DD/FR
ND/DD/FF
2701 , 2702
150pF
270pF
2703 , 2704
100pF
220pF
2717 , 2718
10nF
15nF
2727 , 2728
470pF
1nF
3616
10k
1k
3618
6k8
-
3620
10k trimmer
-
3622
-
10k trimmer
3672
4k7
-
3676
47k
-
3688
680R
-
3723 , 3724
15k
18k
3727 , 3728
5k6
6k8
3729 , 3730
3k3
4k7
3743 , 3744
1k5
2k2
3745 , 3746
3k3
5k6
3754 , 3755
1M
47R
3769
12k
8k2
3772
6k8
5k6
3774
15k
8k2
6614
1N4148
-
7616
BC857B
-
7622
BC847B
-
Variations table for Analog Circuit
Autoreverse Non-autoreverse