Block Diagram - Audio Section - Sony CX-J3000 Service Manual

7-3. BLOCK DIAGRAM – AUDIO SECTION –
CD-L
(Page 17)
A
TU-L
(Page 18) C
VIDEO/SAT IN
L
R
HP301
(PB)
(DECK A)
PB SWITCH
L-CH
Q307
R-CH R-CH
HRPE302
(REC/PB/ERASE)
(DECK B)
PB SWITCH
Q306
L-CH
R-CH
R-CH
L451
BIAS OSC
R-CH
ERASE
MUTING BIAS OSC
Q311 – 313 Q451
TAPE MECHANISM
DECK BLOCK
CAPSTAN/REEL
CAP-MT MOTOR DRIVE
Q459, 460
PLUNGER DRIVE
A-SOL
Q456, 458
PLUNGER DRIVE
B-SOL
Q455, 457
A-PHOTO
A-HALF
A-MODE
B-PHOTO
B-HALF
B-MODE
REC-FWD
REC-REV
CX-J3000/J3000M
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INPUT SELECT,
ELECTRICAL VOLUME
IC302
21 CD-L
23 TU-L
J301
PBO-L 6 7 VOLI-L OUT-L 18
19 AUX-L
REC-L 28
R-CH
TA-L
2
13
MUTING
Q309
R-CH
REC BIAS
SWITCH
Q453, 454
REC/PB SWITCH
Q314, 315
42 41 97 98
40 O_MOTOR
(DECK A) 38 O_A_SOL
(DECK B) 39 O_B_SOL
31 I_A_PHOTO
32 I_A_HALF
30 I_A_MODE
34 I_B_PHOTO
35 I_B_HALF
36 I_B_MODE
33 I_REC_FWD
37 I_REC_REV
POWER AMP
IC201
(J3000)
IC202
(J3000M)
(J5000V)
+
R-CH
(J3000M)
STANDBY
OVER LOAD
MUTING
DC DETECT
SWITCH
DETECT
Q251
Q204, 205, 207
Q254
Q201
R-CH
+
R-CH
D204
MUTING POWER ON
D205
CONTROL MUTING +
Q253 Q104
PROTECT
DETECT
Q203
+
I-PROTECT
O-POWER
94 95 19
SYSTEM CONTROLLER
IC801 (2/3)
19 19
HP-ON
RY201
R-CH
RY202
(J3000M)
THERMAL
DETECT TH202
Q206
RELAY
DRIVE
Q210
(J3000)
96
I_ST_IND 93
TU-DO
I_TU_DATA 7
TU-DI
O_TU_DATA 6
TU-CLK
O_TU_CLK 8
TU-CE
O_TU_CE 2
CX-J3000/J3000
AMP-ON, HP-ON
B
(Page 17)
J202
PHONES
(J3000)
+
J201
L
–
SPEAKER
IMPEDANCE
+
USE 6Ω
R
–
J203
PHONES
(J3000M)
P-ON MUTING
(Page 20)
G
I-PROTECT,
O-POWER
F (Page 20)
ST-IND
D (Page 18)
(Page 18)
E
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: FM
: CD PLAY
: TAPE PLAY (DECK A)
: TAPE PLAY (DECK B)
: TAPE REC
: AUX IN