Sony XM-1600GSD Service Manual page 11

14 13 12
MAIN BOARD ( SIDE B )
THR1
LED BOARD
FET12
( SIDE B )
S
LED1
THERMAL
FET11
S
FET10
LED2
S
OFF SET
FET9
S
LED3
OVER CURRENT 5
FET8
1
S
CNW1
FET7
LED4
POWER
S
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MC24
SPK2
L+R
11 10 9
EC48 EC46 EC44
EC49 EC47 EC45
D14 D12
D13
EC14 EC13
Q26 Q25
Q22 Q21
Q24 Q23
LF2
MC21
Q20
Q30 Q29
C17
EC57
Q28 Q27 Q31
EC16 EC17
EC18
Q32
MC2
EC51
MC22
MC7
MC1
EC58 EC3
EC53
MC5
MC3
EC4
EC21 EC19 -4
EC20
MC6
-3
-2
MC23
-2
-1
-1
VR1 VR2 VR3
SPK1 VR1 VR2 VR3
LEVEL LOW FILTER
BOOST
L+R
(40Hz)
SPEAKER OUT
8 7 6
EC42 EC40 EC38 EC36
EC43 EC41 EC39 EC37
EC9
EC7
MC10 MC9
Q3
ZD3
C59
EC52
ZD4
Q4
EC10
EC50
EC8
PTC1
Q19
Q18
MC25
EC61
D2
EC11
EC12
PTC2
R124
D8
ZD5
MC19
Q2
Q1
Q33
ZD1
EC5 ZD2 EC6
CN1
5 1
MC4
EC2
EC55
EC54
C9
EC56
EC1
JK1-4JK1-3 JK1-2 JK1-1 R L
R L R L(MONO)
HIGH LEVEL INPUT
OUTPUT INPUT
CNT1
(THROUGH)
11 11
5 4 3
EC34 EC32 EC30
EC35 EC33 EC31
MC12
EC15
C19
C18
1 8
IC6
16 9
MC26
EC28
D15
PT1
EC29
D16
MC15
EC60
SW1
TEST TONE
TM1
TM2
GND +12V
FUSE1 FUSE2
REM
25A
XM-1600GSD
2 1
A
B
THR3
C
Q12
FET6
S
T1
D
FET5
MC16
S
EC27
EC26
FET4
S
E
MC17
EC25
FET3
S
EC24
F
FET2
S
EC23
EC22 G
FET1
S
MC18
MC20
H
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I
FUSE3
25A 25A
J