Block Diagram - Main Section (2/2) - Sony HCD-DX60AV Service Manual

5-3. BLOCK DIAGRAM – MAIN Section (2/2) –
FRONT L OUT
C
(Page 24)
JK301 (4/4)
CIN
76
CENTER COUT
5 4
SWOUT
SWIN
WOOFER 79 15 16
DVD
INPUT
JK301 (3/4)
SLIN
77
L SLOUT
11 10
REAR
R
R-CH
DOLBY SURROUND
PRO-LOGIC/PASSIVE
DECODER
IC302 (2/2)
SUB W OUT
VRSWIN
D 80
(Page 24)
MCU
INTERFACE
22 23 24
54 55 56
MUTING
Q317
R-CH
CVOL
OUVT
CVOUT
TRIM VOL 3
SWVOL
MUTING
IN
Q312
TRIM VOL
MUTING
DRIVE
Q428, 429
SLVOL
SLVOL
OUT
IN
TRIM VOL 9
MUTING
Q319
R-CH
MUTING
DRIVE
Q430, 431
MUTING
IC307 (2/2)
SWVOLOUT
17
Q311
SWITCH
CONTROL
Q309, 310
88 53 52
SYSTEM CONTROLLER
IC401 (3/4)
MUTING
POWER AMP
IC501
CH1
+VE
CH1
6
IN
POWER
CH1
1
AMP
–VE
7
12
POWER
Q581
CONTROL
Q503, 504
B–
OVER LOAD
DETECT
Q510
POWER AMP
IC503 (3/3)
CH3
+VE
CH3
18
IN
POWER CH3
16
AMP –VE
OVER LOAD
19
DETECT
Q514
POWER AMP
IC503 (1/3)
CH1
+VE
CH1
6
IN
POWER CH1
1
AMP –VE
OVER LOAD
7
DETECT
Q505
12
POWER
Q513
CONTROL
Q511, 512
B–
Q316
MUTING
DRIVE
Q426, 427
83
84
STK MUT
REAR RELAY 87
85
PROTECT
25 25
MUTING
DRIVE
Q423
Q413
RL401
RELAY
DRIVE
Q421, 422
D419
CURRENT
PROTECTOR
DETECT
Q419
Q416, 417, 420
D418
PROTECTOR
Q418 D436
R-CH
D502
TEMP
PROTECT
Q583
RL403
RELAY
D518
DRIVE
Q409, 410
RL402
RELAY
DRIVE
Q411, 412
TEMP
PROTECT
Q515
• R-CH : R-ch is omitted due to same as L-ch.
• Signal Path
HCD-DX60AV/RG70AV
JACK701
R-CH
PHONES
HP SW
E (Page 26)
JK401
+
L
–
FRONT SPEAKER
IMPEDANCE
–
USE 6 – 16Ω
R
+
R-CH
B+
FAN
M901
MOTOR
M M
(FAN MOTOR)
DRIVE
Q424, 425
TEMP
BUFFER
SENSOR
Q584
TH501
BUFFER
Q582
JK402
+
CENTER SPEAKER
–
+
L
–
REAR SPEAKER
IMPEDANCE
–
USE 6 – 16Ω
R
+
REAR R-CH
JK302
WOOFER OUT
VIDEO OUT
JACK704-2
JW710
VIDEO INPUT
: FM