Audio Schematic Diagram - JVC GR-DVL820A Service Manual

4.6

AUDIO SCHEMATIC DIAGRAM

0 1 MAIN (AUDIO)
5
R2129
#
TO
MAIN IF #
Q2103
CN102
EM_DET
EX_MIC/R
EX_MIC/L
EM_GND
4
R2201 R2202
1.2k 1.2k
TO
MAIN IF
C2201 R2203
CN106
L2101 0.01 #
IN_MIC/R
L2102
INT_GND
IN_MIC/L
L2103
C2202
0.01
3
2
1
∗
NOTE : The parts with marked ( ) is not used.
A B
R2029
0 Ω
L2002
22 µ
NQL38DK-220X
#
Q2101
R2125
#
#
C2123 C2125
R2123 0.0047 0.022
100k
#
C2121
0.0047
C2119 R2111
C2117
0.022 15k
0.022
+
- MIC SEL
R2113 HPF ON
+ -
C2115 R2117 R2115 2.2k OFF
0.022 4.7k 4.7k
INT
EXT
R2107 R2105
R2103
C2103 15k 4.7k
15k
1 - +
Rch
R2109
1.8k
C2105
MPWR
∗
# 3.3V
C2107
C2109
EXT MIC MIC LINE
0.001
Rch
C2111
0.1 INT MIC
C2113
Rch
∗ Rch - +
ALC AMP
MRF
C2024 MIX
1
MVCM
C2025 T 2V
MIX
10 /6.3 Lch
ALC AMP - +
GND
(MVDD)
MVDD MIC LINE
4V
C2114
∗
INT MIC
IC2001
Lch
C2112
C2110
0.1
0.001 AK4560AVQ
EXT MIC
Lch
#
C2106 C2108 MA
∗ BIAS
2V
R2110
Lch
1.8k
C2104 R2104 - +
1 R2108 R2106 15k
15k 4.7k
EXT
INT
C2116 R2118 R2116
HPF
0.022 4.7k 4.7k R2114
OFF ON + -
2.2k
-
+
C2118
0.022 C2120 R2112
0.022 15k
C2122
0.0047
R2124
100k C2124 C2126
0.0047 0.022
R2126
#
# # Q2102
# EXCHANGE PARTS LIST
EXT_MIC IN with E-Mail/WEB_Cam
YES NO YES NO YES
∗ ∗
Q2101 2SC4617/RS/-X IC2501 AK4550VT-X C2504 0.1
∗
∗
Q2102 2SC4617/RS/-X L2501 NQL38DK-220X C2505 0.1
∗
∗
Q2103 DTC144EE-X Q2501 UMX18N-W C2506 0.0022
∗ ∗
Ω Ω
R2004 0 R2501 0 C2507 0.0022
∗
∗
Ω
R2005 100k R2502 0 C2508 10
∗ ∗
Ω Ω
R2125 0 R2504 0 C2509 4.7
∗ ∗
Ω
R2126 0 R2505 27k C2510 1
∗ ∗
Ω
R2127 0 R2506 27k C2511 1
∗ ∗
Ω
R2128 0 R2507 22k C2512 1
∗ ∗
R2129 100k R2508 22k C2513 1
∗ ∗
Ω
R2203 0 R2509 560k C2514 1
∗ ∗
C2107 1 R2510 560k C2515 1
∗ ∗
C2108 1 R2511 10k C2516 0.1
∗
R2512 10k C2517 0.1
∗
R2513 3.3k
C D
NOTES : For the destination of each signal and further line connections that are cut off from
this diagram , refer to "4.1 BOARD INTERCONNECTIONS".
When ordering parts , be sure to order according to the Part Number indicated in the Parts List.
SPK+
SPK-
R2005 #
C2003
∗
Clock
CS
Divider Control
+ - + -
Register
I/F
DATA
SDTI
A/D Converter HPF
Audio I/F
Controller
SDTO
D/A Converter
GND
(VD)
T C2001
10 /6.3
+ R2006
- VD
3V
10
R2018
A_MUTE
10k
+
HP OUT R2014 82
-
Lch R2015 82
HP OUT R2016 82
Rch
+
-
HVDD T
4.8V
C2011
10 /6.3
HVCM
C2008
+ 2.4V
- 1
LINE OUT
Rch
LINE IN
Rch
C2007
0.001
LINE OUT
Lch
LINE IN
Lch C2006
0.001
+ - + -
-
+ SP IN #
# C2516 C2517
VOL VOL
MIX
- +
C2016
0.022
#
Q2501
R2023
1k
R2024 C2017 R2513 #
18k 0.033
C2018 C2019
0.1 0.1 R2511 R2512
R2028 # #
220k # R2509
C2021 C2020
0.1 0.1
# R2510
C2002
10 /6.3
R2025
100k
# # # #
NO
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗ C2510
# R2505
∗
#
∗
C2511
# R2506
#
# R2508 R2507
#
T
C2509
#
E
4-13 4-14
R2001
MCLK
0 Ω
LRCK
BCLK
SDTI
SDTO
C2028 C2027 C2026
∗ ∗ ∗
PD
CS
CCLK
DATA
L2001
10 µ
R2017
1k
C2012
10 /6.3
Q2002 T
2SC4617/RS/-X
C2009
1
R2007
AU_SIG/R
1k AU_SIG/L
C2010
1
R2008
1k
Q2001
UMX1N-W
R2009
3.3k
# IC2501
#
R2501
C2504
C2505 #
#
#
R2503 ∗ R2502
#
C2506 R2504
#
L2501
# #
C2508
T #
y10252001a_rev0
F G
TO
MAIN IF
CN101
SPK+
SPK-
TO
DVMAIN
AIMCK
AILRCK
AIBCK
AODAT
AIDAT
TO SYSCON
PD_L
AUDIO_CS
CLK_OUT
DATA_OUT
REG_3V
M_REG4.8
TO REG
REG_4.8V
GND
TO
MAIN IF
CN102
AU_SIG/R
AU_SIG/L
A_MUTE TO SYSCON
BUZZER
S_SHUT TO CAMERA DSP
MP_MUTE
TO SYSCON
PWDA2
PWAD2
MD_DEM1
TO MAIN IF
CN111
DOBCK2
DOMCK2
DOLRCK2
DODAT2
AIDAT2
H