Amp Section - Sony HCD-GP7 Service Manual

HCD-GP7
Q Q
— AMP Section —
3 7 6 3 1 5 1 5 0
IC101
SOUND PROCESSOR
CD L-CH
CD A
11 LCH OUT
CD LCH
SECTION
TUNER
TUNER/TAPE L-CH
B
13 TUNER LCH
SECTION
TAPE
PB-L
TUNER/TAPE C
12 TC LCH
SECTION
LCH IN 9
J301
L 14 MD LCH
MD(VIDEO)
LCH SELO
R
R-CH
1 30 2
T E
L 1 3 9 4 2 2 9 6 5 1 3
87 88 86
w w w
5 10
R-CH
14
Q121,221
MUTING
REC-L
TUNER/TAPE
D
10
SECTION
Q322,323
MUTING
CONTROL
81
x a o
. i
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3
IC321
4
POWER AMP
5
6
12
Q122, 222
OVER LOAD
DETECT
THP821
Q327
+
THERMAL
DETECT
Q328
Q324
SWITCH
STANDBY
SWITCH
Q Q Q334, 335
+
3 7 6
DC DETECT
Q333
SWITCH
Q330
RELAY
CONTROL
Q329
PROTECT
SWITCH
Q321
MUTING
CONTROL
84 61
IC401 (3/4)
SYSTEM CONTROLLER
u 1 6 3
y
26 26
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2 4
8 9 9
+ +
RY801
Q325,326
RELAY DRIVE
Q331,332
Q371,372
RELAY
FAN MOTOR
SWITCH
D371
3 1 5 1 5 0 8 9
+
66 50
• R-ch is omitted due to same as L-ch.
• Signal Path
: TUNER (FM/AM)
: CD
: PLAYBACK
: RECORD
m
: MD
c o
.
2
8 9 9
J321
PHONES
TM801
+
L
–
SPEAKER
IMPEDANCE
+
USE 6-16Ω
R
–
FAN
DRIVE
2 4 9 8 2 9 9
D961
AC HI
DISPLAY/POWER SUPPLY
E
SECTION
D962
AC HI