CINEMA BASE (serv.man2) - JBL Audio Service Manual (repair manual). Page 42

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1
1
2
2
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3
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D
D
C
C
B
B
A
A
Title
Number
Revision
Size
A3
Date:
5/20/2014
Sheet    of
File:
D:\ERIC SHEN\..\STV250_Subpreout Board_Sheet02_20140516.SchDoc
Drawn By:
GND
R655
33K
C651
1UF
1
2
L650
BLM18BD221SN1
R651
10K
R661
1K
R664
22K
C662
75PF
PRE+3.3V
AOUT_SUBPRE+
AOUT_SUBPRE-
+
IN
R
1
-IN
R
2
O
U
TR
3
SG
N
D
4
EN
5
PV
SS
6
C
N
7
C
P
8
PV
D
D
9
PG
N
D
10
N
C
11
O
U
TL
12
-IN
L
13
+
IN
L
14
U650
SGM8902YT
GND
GND
GND
SUB_PRE_OUT
CODEC_MUTE
2
3
1
D650
BAT54C
AMP_Mute
GND
GND
C663
1200PF
GND
SUB_PRE_OUT
2
1
J650A
RCA JACK
D651
1PS79SB30
HDMI_MUTEOUT
STV250 Sub Pre Out Board
E
2
2
1
3
2
Q650
2SC2712
C650
100PF
C656
100PF
C658
100PF
C657
100PF
C652
100NF
C664
100NF
C653
10UF
C654
1UF
C655
1UF
C659
1UF
C660
1UF
C661
10UF
R653
0
R658
0
R652
1K
R656
1K
R663
4.7K
R666
4.7K
R650
10K
R654
10K
R657
10K
R659
10K
R660
10K
R662
10K
R665
10K
OPTICAL_IN
3V3_STB
SPDIF_IN_DET
ADC_AINL-
ADC_AINL+
ADC_AINR+
ADC_AINR-
AUX_IN_DET
+5V
PRE+3.3V
HDMI_MUTEOUT
CODEC_MUTE
AMP_Mute
AOUT_SUBPRE+
AOUT_SUBPRE-
AGND
BT_DN1
BT_DP1
U2TX
U2RX
R680
33
R681
33
C
68
3
10
PF
AGND
C
68
4
10
PF
AGND
C
68
2
10
PF
C
68
1
10
PF
C
68
0
10
PF
AOUT_SUBPRE-
AOUT_SUBPRE+
CODEC_MUTE
AMP_Mute
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
TH
ER
M
A
L PA
D
0
CON650
1014A0-026P
HDMI_MUTEOUT
OPTICAL_IN
SPDIF_IN_DET
ADC_AINL-
ADC_AINL+
ADC_AINR-
AUX_IN_DET
ADC_AINR+
U2RX
BT_DP1
U2TX
BT_DN1
U2RX
U2TX
3V3_STB
1
2
3
4
5
6
J651
B 6B-PH-K-S
AGND
BT_DP1
BT_DN1
C
37
2
10
0PF
C
37
3
10
PF
C
37
4
10
0PF
C
37
5
10
0PF
C
37
6
10
0PF
C
37
7
10
0PF
C
37
8
10
0PF
C
37
9
10
PF
R682
0
R683
0
R684
0
R685
0
C
68
5
10
PF
C
68
6
10
PF
C
68
7
10
PF
C
68
8
10
PF
AGND
AGND
AGND
AGND
AGND
SUBPRE-
SUBPRE+
U2TX
BT_DN
A_MUTE
H_MUTE
C_MUTE
AINR-
AINL-
AINL+
AINR+
AUX_DET
SPDIF_DET
OPT
U2RX
BT_DP
3V3_STB1
PRE+3.3V
+5V
A_GND
GND1
R383
0
C387
NM
R384
0
C388
NM
GND
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