Read JBL CINEMA BASE (serv.man2) Service Manual online
1
1
2
2
3
3
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4
5
5
6
6
7
7
8
8
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
33K
C651
1UF
1
2
L650
BLM18BD221SN1
R651
10K
10K
R661
1K
R664
22K
C662
75PF
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
SGM8902YT
GND
GND
GND
SUB_PRE_OUT
CODEC_MUTE
2
3
1
D650
BAT54C
AMP_Mute
GND
GND
C663
1200PF
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
100PF
C658
100PF
100PF
C657
100PF
100PF
C652
100NF
C664
100NF
C653
10UF
10UF
C654
1UF
C655
1UF
C659
1UF
C660
1UF
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
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
BT_DP1
U2TX
BT_DN1
BT_DN1
U2RX
U2TX
U2TX
3V3_STB
1
2
3
4
5
6
2
3
4
5
6
J651
B 6B-PH-K-S
AGND
BT_DP1
BT_DN1
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
H_MUTE
C_MUTE
AINR-
AINL-
AINL+
AINR+
AUX_DET
SPDIF_DET
OPT
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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