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CINEMA BASE (serv.man2) - JBL Audio Service Manual (repair manual). Page 49

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Title
Number
Revision
Size
A3
Date:
7/25/2014
Sheet    of
File:
D:\ERIC SHEN\..\STV250_Main_Board_Sheet03_BCO.SchDoc
Drawn By:
STV250 Main Board
     connector part
7
3
F
R236
28.7K
R235
NM
R239
100
GND
C230
100NF
+3.3V_STB
LED_POWER_OFF
GND
CEC_IN
CEC_OUT
LED_POWER_OFF
HDMI_CEC_M
HDMI_SPDIF
HDMI_MUTEOUT
Codec_DAI_LRCK
DSP_DAO_D1
Codec_DAI_SCLK
HDMI_CSDA
HDMI_CSCL
HDMI_RESET
HDMI_INT
GND
+5V_STB
R212
33
R213
33
R214
33
R215
33
R216
33
R217
33
R218
33
R203
33
TX0_HPD
R200
33
HDMI_CEC_M
D200
NM
STANDBY
HPD
Codec_SCLK1
Codec_LRCK1
DSP_D1
MUTE
CEC
SPDIF
CSDA
CSCL
H_RESET
H_INT
+5V_STB4
L203
MPZ2012S331A
C
20
9
10
PF
C
21
0
10
PF
C
21
1
10
PF
C
21
2
10
PF
C
21
3
10
PF
C
21
4
10
PF
C
21
5
10
PF
1
3
2
Q200
MMBT3904
R237
10K
R238
100K
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
TH
ER
M
A
L PA
D
0
CON200
1014A0-020P
HDMI_STB
D201
RB751V-40
1
1
2
2
3
3
4
4
5
5
6
6
7
7
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19
19
20
20
TH
ER
M
A
L PA
D
0
CON203
1014A0-020P
R331
0
IR_IN
C231
10PF
GND
GND
STEREO_LED1
SURROUND_LED1
KEY_ADC1
LED_AUX1
KEY_POWER1
LED_OPTICAL1
LED_BT1
LED_HDMI1
LED_VOL-1
LED_VOL+1
LED_POWER_ON1
LED_POWER_OFF1
+3.3V
+5V_STB2
STEREO
SURROUND
KEY_ADC
AUX
KEY_POWER
OPTICAL
BT
HDMI
VOL-
VOL+
POWER_ON
POWER_OFF
+3.3V_STB2
+5V_STB2
C236
100NF
GND
C237
100NF
R240
33
STEREO_LED
C254
100PF
R241
33
C248
100PF
R243
33
KEY_ADC
C255
100PF
R245
33
R246
33
R249
33
R251
33
R252
33
R253
33
R254
33
R255
33
R256
33
1
2
L205
BLM18BD471SN1
1
2
L206
BLM18BD471SN1
C249
100PF
C256
100PF
C250
100PF
C257
100PF
C251
100PF
C258
100PF
C252
100PF
C259
100PF
SURROUND_LED
LED_AUX
KEY_POWER
LED_BT
LED_VOL-
LED_POWER_ON
+3.3V_STB
LED_OPTICAL
LED_HDMI
LED_VOL+
LED_POWER_OFF
+5V_STB
GND
IR_IN
IR_IN
C232
4.7UF
OPTICAL_IN
3V3_STB
GND
SPDIF_IN_DET
ADC_AINL-
ADC_AINL+
C
24
4
10
0PF
GND
ADC_AINR+
C
24
5
10
0PF
ADC_AINR-
R247
0
AUX_IN_DET
C
24
7
10
PF
+5V
GND
GND
PRE+3.3V
PRE+3.3V
HDMI_MUTEOUT
R321
33
H_MUTE
C
33
2
10
PF
CODEC_MUTE
R322
33
C
33
1
10
PF
C_MUTE
AMP_Mute
R323
33
C
24
0
10
0PF
C
24
1
N
M
C
24
2
10
0PF
C
24
6
10
0PF
GND
AOUT_SUBPRE+(T_L+)
R227
33
SUBPRE+
C
33
3
10
PF
AOUT_SUBPRE-(T_L-)
R229
33
C
33
4
10
PF
R202
0
BT_DN1
R205
0
C
20
1
10
PF
BT_DP1
C
20
3
10
PF
U2TX
U2RX
R207
0
R209
0
C
20
0
10
PF
C
20
4
10
PF
1
2
L204
BLM18BD471SN1
3V3_STB1
GND
OPT
SPDIF_DET
AINL-
AINL+
AINR+
AINR-
AUX_DET
SUBPRE-
GND
U2RX
U2TX
GND
GND
C
33
6
10
0N
F
C
24
3
10
0PF
C
33
5
10
0N
F
C
33
0
10
PF
BT_DN
BT_DP
A_MUTE
C337
100PF
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
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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
CON201
1014A0-026P
L209
1K@ 100MHz
L207
1K@ 100MHz
L208
1K@ 100MHz
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