Block Diagram - Amp Section - Sony MHC-V3 Service Manual

6-3.

BLOCK DIAGRAM - AMP Section -

>003B
BCK, ARAGON-MCK, LRCK
MAIN SECTION
(Page 40)
X103
12.288MHz
91 92 29 32
MHC-V3/V4D
STEREO D/A CONVERTER
IC611
BCK
BCK VOUTL
1 7 6 B_-INPUT
2 DATA
ARAGON-MCK
16 SCK
LRCK
3 LRCK
3
STEREO D/A CONVERTER
IC614
5
BCK
BCK
1 VOUTL
7 6 B_-INPUT
ARAGON-MCK
16 SCK
LRCK
3 LRCK
2 DATA
VOUTR A_-INPUT
8 2
14 30 54
SYSTEM CONTROLLER
POWER AMP
IC1001
OP AMP
IC612
INPUT_B
A_OUTPUT 1 5
INPUT_A
B_OUTPUT 7 4
5
>004B
PANEL /
OP AMP
POWER SUPPLY
VOLTAGE
AVDD+12V
CONTROL
SECTION
Q601
(Page 42)
11 INPUT_D
OP AMP
10 INPUT_C
IC615
3
A_OUTPUT 1
2 15
20 21
B_OUTPUT 7
AMP RESET
SWITCH
Q1018, Q1019
120 131
IC101 (2/4)
41 41
OUT_A
OUT_B
OUT_C
OUT_D
OVERLOAD OVERLOAD OVERLOAD
DETECT DETECT DETECT
Q1003, Q1004 Q1016, Q1017 Q1014, Q1015
RELAY DRIVER
Q1020
RY001
DC DETECT SWITCH
Q1006
132
• Signal path
: TUNER
MHC-V3/V4D
Ver. 1.2
SPB1
SPK BOX ASSY
SW+
SP5
SW-
(WOOFER)
R+
SP2
(WOOFER (R-CH))
SP4
(TWEETER (R-CH))
L+
SP1
(WOOFER (L-CH))
SP3
(TWEETER (L-CH))
D1008
13V
FAN RESET FAN MOTOR
CN1004
SWITCH DRIVER
M1 (FAN)
Q1012 Q1010
FAN
PROTECTION
(LOCK)
Q1011