JVC CD-1920 User Manual

[Variable resistors]
VR101,201
VR102,202
VR103,203
VR104,204
VR105,205
VR301,401
VR302,402
VR501
VR502
VR503
VR504
VR701,702,703,
704,705
VR901
[Switches]
$101-1~9,
201-1~9
$102,202
$103-12,203-1
$104-1~3,
204-1~3
$105-1,2,205-1,2
$106,206
$1
$2
$3
[Transistors]
X101,201
X102,202
X103,203
- X105,205
X106,206
X501
X901
X902
X701~ 705
X601,602
X603
X604
X605
SCR2 (X2)
Playback gain adj.
REC volume
VU meter gain adj.
REC gain adj. (chrome)
" (normal)
ANRS DC bias adj.
ANRS control amp gain adj.
Left bias adj. (normal)
” (chrome)
Right bias adj. (normal)
" (chrome)
Peak level adj.
Input level adj. (Lch only)
REC/PB switch
(at ‘‘Playback’’ mode)
Input select switch
(at “LINE IN’ mode)
ANRS switch
(at “ANRS OFF” mode)
Equalizer switch
(at ‘‘Normal’’ mode)
Bias switch
(at ‘‘Normal’’ mode)
Muting switch
(at ‘‘Muting on’’ mode)
Power switch (at ‘“OFF’’ mode)
Pause switch (at ‘“OFF’’ mode)
Motor switch (at ‘“OFF’’ mode)
2SA721TU
2SC1327TU
2SC828ARS
2SC828ARS
2SC828RS
2SC828RAS
2SA564ARS
2SC828RAS
2SC828S
-~Main amp
C. board
Peak level
C. board
2SC828RS
2SA564ARS
2SC828RS
2SC1162WTBC
2SF656
Power supply
C. board
. [IC]
1¢101,201 TA7140P-B Main amp
C. board
1C301 TAT000332-01 ANRS C. board
IC302 TA7140P-BC
1C701 TD3404AP Peak level
C. board
[Diodes]
D101,102 OA90 | Main amp
D901 RD43EC C. board
D301,302 OA90
D303 MA-150 } ANRS C. board
D701,702,703, OA90 Peak level
704 C. board
D601,602 OA90
D603 MA-150
D604,605,606, 10D1
607,608,609, Power supply
610,611,612, | C. board
613,614 |
D615 RD24E
D616 1N4733T
B Base
Ca— C Collector Transistor
E Emitter
Thyristor 2SF656
K Cathode
A Anode
G Gate
om
1234567
TA140P-BC
1615 14131211109
12345678
TAT000332-01
14131211109 8
IC TD3404AP
1234567
Fig. 18
= tS
Biock Diagram
Recording system
To peak level circuit
Level meter
LINE IN
Input level adj
REC volume
Input select HOM
©)
Meter gain adj.
Headphone
MIC jack
REC/PB socket
R-CH
MIC IN
Equalizer switch O
RCH L-CH
IN IN
ANRS control amp gain adj.
10302
TA?140P-8C
ANRS OC bias adj,
ANRS circuit
Fig. 16
Playback system
Playback Head
Playback gain adj.
X104
1C101 a
TA7140P-B.
2SC1384RS
X103
2SCB2BARS.
2 REC/PB socket
ik}
—_? LINE OUT
D ANRS switch
ANRS control amp gain adj.
10302
TA7140P- BC
ANRS DC bias adj.
ANRS circuit
Fig. 17
To peak level circuit
Meter gain adj.
Bias OSC circuit
Level meter
Headphone
CD-1920/A/B/C/E/U
No. 4142

JVC CD-1920 Specifications

General

Brand	JVC
Model	CD-1920
Category	Cassette Player
Language	English