Sony HCD-GP7 - Amplifier Section Schematic

2626
HCD-GP7
— AMP Section —
IC321
POWER AMP
• Signal Path
• R-ch is omitted due to same as L-ch.
: PLAYBACK
: RECORD
: TUNER (FM/AM)
: CD
: MD
IC101
SOUND PROCESSOR
Q121,221
MUTING
Q328
SWITCH
Q333
SWITCH
Q322,323
MUTING
CONTROL
Q324
STANDBY
SWITCH
R-CH
R-CH
REC-L
LCH SELO
LCH OUT
CD LCH
CD L-CH
MD(VIDEO)
TUNER
L-CH
TAPE
PB-L
TUNER LCH
TC LCH
MD LCH
EQ DATA EQ CLK
J301
L
8481
STK-POWER
LIN-MUT
61
PROTECT
511
13
12
14
1 30
14
10
4
3
12
10
LCH IN
9
87
AMP(EQ) DATA
Q329
PROTECT
SWITCH
+
+
+
D371
D961
AC HI
AC HI
D962
Q122, 222
OVER LOAD
DETECT
+ +
Q321
MUTING
CONTROL
66
FRONT-RELAY
50
HP DET
Q334, 335
DC DETECT
Q325,326
RELAY DRIVE
Q331,332
RELAY
SWITCH
Q330
RELAY
CONTROL
+
–
+
–
SPEAKER
IMPEDANCE
USE 6-16Ω
L
R
PHONES
J321
RY801
IC401 (3/4)
SYSTEM CONTROLLER
TM801
D
A
B
C
88
AMP(EQ) CLK
EQ CE
2
86
AMP(EQ) CE
CD
SECTION
TUNER/TAPE
SECTION
TUNER/TAPE
SECTION
TUNER/TAPE
SECTION
E
DISPLAY/POWER SUPPLY
SECTION
Q371,372
FAN MOTOR
DRIVE
THP821
Q327
THERMAL
DETECT
R
FAN
6
5
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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