JVC TD-W254BK - Block Diagram Overview

ABC
1
2
3 4
5
TD-W254BK
2-1
Block diagram
FL MUTE
DI701
Q705
Q706
Q707
1
1
7
3
5
3
7
1
5
9
15
22
101121
2
8
6
4
13
7
515
2 4
4
2
8
7
4
413
7 9
3
9
7
1
11
12
10
17
2
8
7
2
3 8 9
16
30
3
1
28
47
48
2
3
4
5
6
7
9
24
METER
(R)
METER
(L)
G0 G6
Q8251
REC MUTE
VR126
REC LEVEL ADJ
(L)
VR226
REC LEVEL ADJ
(R)
Q2251Q1251
B70
Q1152
DECK B
PB HEAD AMP
REC
Q8163
IC815
6
3
VR217
B DECK LEVEL ADJ
(R)
Q2152
REC AMP
IC825
VR117
B PB LEVEL ADJ
(L)
S1-S16
~
IC701
IC861
HEADPHONES
IC852
LEVEL METER AMP
J8601
H.P.JACK
LINE OUT
L
R
IC835
DOLBY NR
REC
OUT
(R)
REC
OUT
(L)
PB IN
(R)
PB IN
(L)
12.13
Q8171
PB O
UT
(L)
REC
IN
(L)
REC IN
(R)
PB OUT
(R)
IC818
PB SIGNAL
SELECT
A70
5.6
Q8172
B PB
A PB
IC811
7
3
PB HEAD AMP
DECK A
IC851
VOL.CONTROL
& DD RP
IC812
PB EQ SWITCH
VCA
VCA
LINE IN
DECK A
PB HEAD
VR111
A PB EQ ADJ
(L)
VR211
A PB EQ ADJ
(R)
DECK B
REC/PB HEAD
VR116
B PB EQ ADJ
(L)
VR216
B PB EQ ADJ
(R)
ERASE HEAD
IC845
B
HX PRO
L2401 L1401
BIAS DSC
Q8491
Q8492
Q8481
Q8482
+B
-B
L8401
FREQUENCY ADJ
-7V -7V
VR246
BIAS ADL
(R)
VR146
BIAS ADJ
(L)
REC/PB SELECT
IC816
Q2101
Q1101
DB101
VR212 VR112
HS
(R) (L)
A PB LEVEL ADJ
HS
L
R
L
R
L
R
VR601
Input Level