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COMBI CIRCUIT - HEADPHONE AMPLIFIER PART
1014 E9
2017 A2
2038 E8
2060 B1
2700 D4
1015 B10
2028 B2
2045 F8
2061 D11
2701 D3
1315 A6
2032 C7
2046 F6
2062 D11
2702 D4
1316 A8
2033 D6
2055 E5
2070 D11
2706 D4
1
2
3
# : Provision
A
3083
+12V_A
470R
GND_A
SA_IN
B
2060
7015
BC847B
100n
GND_A
GND_A
C
HEADPHONE AMPLIFIER
DIFF. INPUT
2701
VOL_RIGHT
0u47
D
# 3105
VC_RIGHT
10K
+12V_A
E
GND_A
GND_A
# 3106
VC_LEFT
10K
2708
F
VOL_LEFT
0u47
2714
B_REF3
47u
2715
22n
GND_A
G
+12V_A
1
2
3
9-8
2707 E4
2714 F2
3028 C8
3034 F13
3048 E11
3062 F11
2708 F3
2715 G2
3031 F13
3035 D8
3053 F10
3065 G7
2709 F4
2716 E2
3032 D7
3042 E7
3057 F7
3066 G7
2713 F4
3014 F9
3033 D7
3046 E10
3059 F11
3083 A2
4
5
FROM/TO VOICE CONTROL
VC_LEFT
VC_RIGHT
TO_VC_RIGHT
TO_VC_LEFT
GND_A
B_REF3
3701
7700-A
5.7V
3
8
NJM4556AM
470R
1
5.7V
2
5.7V
4
0V
GND_A
2033
2706
100p
100u
3704
3705
6K8
27K
3706
3707
2055
6K8
27K
SUB_W
2707
22u
100p
0V
GND_A
6
5.7V
4
5.7V
7
3709
5
7700-B
8
5.7V
470R
NJM4556AM
B_REF3
11.2V
2046
GND_A
100u
4
5
3084 A2
3089 B1
3096 E5
3107 D11
3705 E4
3085 B2
3091 B1
3097 F5
3700 D4
3706 E3
3087 B1
3094 C11
3105 D3
3701 D3
3707 E4
3088 B1
3095 C11
3106 F3
3704 E3
3709 F3
6
7
8
# 1315
# 1316
1
1
SSA_LEFT
2
2
SSA_RIGHT
3
3
4
4
GND_A
SSA_REC_RIGHT
5
5
GND_A
SSA_REC_LEFT
6
+12V_A
FE-BT-VK-N
FE-BT-VK-N
7000
4.9V
-1.9V
+5V
BC857B
4.9V
4.8V
3035
MUTE_HP
4.2V
10K
4.8V
: Measured with Headphone.
.....V
: Measured without Headphone.
AMP_RIGHT
.....V
3032
3033
39R
39R
-1.5V
0V
0.7V
3042
7004
BC817-25
1K
1014
FE-BT-VK-N
0V
HP_DET
GND_A
GND_A
0V
-1.5V
0.7V
3057
7009
GND_A
GND_A
BC817-25
1K
HP_DET
0V
AMP_LEFT
+5V
3065
3066
39R
39R
FROM/TO HP
SOCKET BOARD
6
7
8
9-8
3711 F4
3715 F12
6003 E11
7006 E10
7700-A D4
3712 E2
4252 F12
7000 C7
7009 F7
7700-B F4
3713 G2
5700 G2
7004 E7
7010 F10
9214 E10
3714 E2
6002 D10
7005 C12
7015 B2
9
10
11
Note : Some values may varies, see respective parts list for correct value.
# : Provision
DC voltages measured in Tuner mode.
FROM/TO MIC
# 1015
FE-BT-VK-N
MIC_DET
4
GND_A
3
MIC_OUT
2
+12V_A
1
7005
M62320FP
GND_D
GND_D
+5V
2 SCL
1.3V
3 SDA
4.8V
1N4148
3107
13 VDD
4.8V
+5V6
270R
6002
0V
8 GND
GND_D
GND_D
5V_VCD
7006
+5V_CD
# 3046
BC807-25
6003
5.4V
0.6V
+5V6
2R2
1N4148
9214
HP_DET
4
HP_RIGHT
VCD_ON
3
GND_A
2
5.4V
HP_LEFT
1
0V
3059
7010
BC847B
2K2
10K
0V
3014
GND_D
GND_D
3139 118 55910...8239 210 91642...for 3479 pt2 dd wk0247
9
10
11
12
13
A
B
C
0V
GND_D
16 15 14
CHIP SELECT
D
I 2 C BUS
1
SHIFT
0V
TRANSCEIVER
REG
SO
8
8
8
PWR
OUT
I/O
IN
RES
DATA LATCHES
8
8
8
I/O PORT
12
11
10
9
7
6
5
4
E
GND_D
GND_D
F
GND_D
G
12
13
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