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7-13. SCHEMATIC DIAGRAM – MAIN SECTION (1/3) –
J301
L
2P
VIDEO/SAT IN
R
L-CH
HP301
(PB)
(DECK A)
R-CH
R-CH
HRPE302
(REC/PB/ERASE)
L-CH
(DECK B)
ERASE
CX-J3000/J3000M
All manuals and user guides at all-guides.com
•
See page 27 for Waveforms.
(1/3)
S
CN301
C325
R323
3P
330p
330k
Q307
2SJ460
C329
0.001
R327
10k
C326
R324
330p
330k
S
C303
C304
Q308
0.1
0.1
2SJ460
Q305-308
CN302
8P
PB SWITCH
C328
R326
S
820p
330k
Q306
2SK2541-T
C330
0.001
R328
10k
C327
R325
820p
330k
S
Q305
2SK2541-T
C301
470p
S
Q311
2SK2541-T
R305
220k
S
S
Q312
2SK2541-T
2SK2541-T
Q311-313
MUTING
L451
BIAS OSC
C451
0.015
R456
27k
C452
0.015
C455
C457
10
0.022
50V
C456
4700p
R453
47
Q453,454
REC BIAS
SWITCH
C302
R454
Q454
1k
2SA952TP
Q453
-K1K2
DTC114YKA
-T146
R455
4.7k
R475
1k
•
See page 38 for IC Block Diagrams.
S
Q310
2SJ460
Q309,310
MUTING
C367
C368
470p
470p
R329
C333
10k
0.001
S
Q309
2SJ460
D301
R308
1SS133T-77
22k
D302
1SS133T-77
INPUT SELECT,
ELECTRICAL
Q313
R307
2.2k
BD3881FV
R373
470
Q315
R374
DTA114EKA
470
C373
Q314
47
DTC114YKA
10V
-T146
Q314,315
Q451
REC/PB
C374
2SC2001TP
47
-K1K2
SWITCH
10V
BIAS OSC
C343
R457
R476
47
10
1k
10V
R309
100k
220
10V
31
31
R346
R345
22k
22k
R337
R341,342
220k
∗
33k
(J3000/J3000M:RU)
56k
(J3000M:E51,MX)
R336
220k
∗
R343,344
33k
(J3000/J3000M:RU)
47k
(J3000M:E51,MX)
∗C353,354,359,360
0.15 (J3000M: E51, MX)
0.22 (J3000/J3000M: RU)
∗C387,388
0.47 50V (J3000/J3000M: RU)
4.7 50V (J3000M: E51, MX)
C387
C388
∗
∗
R359
3.3k
R360
3.3k
R356
2.2k
R369
470
R370
470
VOLUME
IC302
R376
100
R375
100
C386
470 10V
R335
C385
1k
47 10V
R310
100k
C394
R330
0.1
1k
R387
10
R389
10
R306
R388
100
10
CX-J3000/J3000
L301
10µH
C312
C311
0.1
0.1
A1
(J3000M)
A2
A3
A4
C352
10
50V
R371
100
(Page 32)
A5
A6
R301
470k
R302
470k
A7
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