Sony HVR-A1J Service Manual page 31

3-8. OVERALL BLOCK DIAGRAM (8/8)
XM-002 BOARD
XS-002 BOARD
INPUT
LEVEL
LINE
MIC
MIC ATT
CN201 CN102
S103
(1/3) (1/3)
XLR_48V_CH1
12 5
CN200
INPUT1
CH1_(+)_ATT
1 16
CH1_(+)_THR
3 14
CH1_(–)_ATT
5 12
CH1_(–)_THR
7 10
CN301 CN101
CN300
(1/3) (1/3)
INPUT2
CH2_(+)_ATT
1 16
CH2_(+)_THR
3 14
CH2_(–)_ATT
5 12
CH2_(–)_THR
7 10
XLR_48V_CH2
12 5
S104
LINE
MIC
MIC ATT
INPUT
LEVEL
A
: AUDIO SIGNAL
05
HVR-A1J/A1U/A1N/A1E/A1P/A1C
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
INPUT1
+48V
OFF ON
S100
CN102 CN201
(2/3) (2/3)
CH1_(+)_COM
15 2 5
6
IC200
MIC AMP
CH1_(–)_COM
11 6 3
CH1_GAIN_HIGH 2
8 9
CH1_GAIN_LINE
6 11
CN101 CN301
(2/3) (2/3)
CH2_(+)_COM
15 2 5
6
IC300
MIC AMP
CH2_(–)_COM
11 6 3
2
CH2_GAIN_HIGH
8 9
CH2_GAIN_LINE
6 11
S105
OFF ON
+48V
XD-002 BOARD
INPUT2
CN100 CN401
CH1_MIC48V
5 9
CH2_MIC48V
4 10
SHOE_UNREG
6 8
SHOE_UNREG
7 7
3-15
7 6
IC201
7 11
AMP/
5
V BIAS
1 5
14
12
5 7
IC204
IC205
LOW CUT
LOW CUT
3 1 SELECTOR
AMP
7
9
7 6
IC301
6
7 8
AMP/
1 5 V BIAS
IC401
DC/DC
CONVERTER
XK-001 BOARD
S001
INPUT1
CN202 CN001
LOW_CUT_ON_CH1 ON OFF
1 1
LOW CUT
S002
INPUT2
ON OFF
LOW_CUT_ON_CH2
2 2
CN201 CN102
(3/3) (3/3) CN103
CH1_SIG_OUT MIC_FL
14 3 7
INPUT1
REC CH SELECT
CH1•CH2 CH1
S102
MIC_FR
CN301 CN101
5
(3/3) (3/3)
CH2_SIG_OUT
14 3
HOTSHOE_ID2
4
HOTSHOE_ID1
3
SHOE_UNREG
SHOE_UNREG 2
3-16
3
OVERALL (6/8)
30
(PAGE 3-11)
HOT SHOE
2
TERMINAL
10
7
OVERALL (7/8)
31
(PAGE 3-14)
8
9