Sony HVR-A1J Service Manual page 71

1 2
OO-001 BOARD (2/2)
A
MIC AMP
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
: Voltage measurment of the CSP ICs
and the Transistors with mark, are
not possible.
B
C
D
HP_R_OUT
HP_R_OUT
HP_L_OUT
HP_L_OUT
HP_JACK_IN
E
HP_JACK_IN
SCHARGE_LED
SCHARGE_LED
KEY_AD1-2
KEY_AD1-2
@302
INT_MIC_L
(1/2) INT_MIC_R
EXT_IN_L
EXT_IN_R
F
G
H
I
MIC_GND
J
K
05
HVR-A1J/A1U/A1N/A1E/A1P/A1C
3 4 5 6
C8408
0.1u
C8409
0.1u
8 7 6 5 R8412
XX
IC8401
MIC(L)
SELECTION
SWITCH
IC8401
TC7W53FK(TE85R)
1 2 3 4
C8410 0.1u
R8413
XX
C8411
0.1u
8 7 6 5
IC8402
MIC(R)
SELECTION
SWITCH
IC8402
TC7W53FK(TE85R)
1 2 3 4
R8303
43k
R8310
±0.5%
10k
±5%
R8307
R8309
6800 C8317
1k
C8314
1/16W 0.1u
±5%
100p
±5%
R8314
4700
C8319 ±5%
C8315
C8310 0.1u
XX
XX
C8326
0.022u
R8301
C8303
5600
0.022u
±0.5%
B7 B8 C7 C8 D7 D8 E7 E8 F7 F8
C8304
10u
6.3V
BG
GND
R8306
BIAS SUB
180k
1/16W
ZOOM_AMP_OUT
±5%
C8306
ZOOM_AMP_IN
0.01u
IC8301
GND
MIC AMP
R8304 BIAS PRE
9100 IC8301
1/16W BIAS OUT BH7875GLU-E2
±5%
C8307
10u MIX_OUT
6.3V
GND
RIPL
SUB_IN_R
R8302 C8301
5600 0.022u
±0.5%
A1 B1 C1 C2 D1 D2 E1 E2 F1 F2 G1 G2
C8309
C8312
XX
XX
C8327
C8318
0.022u
C8313 0.1u
100p
C8316 R8308
1k
0.1u
1/16W
±5%
R8323
R8311
6800
10k
1/16W
±5%
±5%
R8305
43k
±0.5%
4-63
7 8 9
IC8404 XX
R8406
XX
+ V+
V- (GND)
- OUT
C8406
C8405 R8407
XX
XX
4V
C8402
0.1u
14 13 12 11 10 9 8
IC8403
MIC LEVEL CONTROL
IC8403
DS1801E-02V+T/R
C8401
10u
6.3V
C8404
1 2 3 4 5 6 7
0.1u
C8403
0.1u
R8405
0
C8324
XX
R8322
0
G8 H8
R8319
NC XX
1/16W
Vcc L ±5%
L_OUT
XMIC_MONO
MIC_MONO
ZOOM_BAL
R8316 220k
ZOOM_MIC_CONT_V
ZOOM_POSI
C8321
R8320
C8322
VCC SUB 22u 1k
22u
4V
4V
NC
C8320
IN MONI
XX C8325
XX EXT_MIC_JACK_IN
SUB/INT CTRL
SHOE_STEREO
R_OUT
Vcc R
L8301
100uH
R8317
68k
R8315
4700
1/16W
±5%
R8318
XX
1/16W
±5%
10 11 12
C8407
XX
XX
6.3V
R8414
0
A2.3V
R8408
100k
R8410
XX
R8409 R8411
XX
100k
@301
(1/2)
AU_4.6V
A_2.8V
CN8102 39P
SHOE_STEREO
39 SHOE_STEREO
ZOOM_MIC_CONT_V
38 ZOOM_MIC_CONT_V
EXT_MIC_JACK_IN
37 EXT_MIC_JACK_IN
XMIC_MONO
36 XMIC_MONO
35 XEXT_MIC_ON
34 MIC_GND
33 MIC_GND
32 VOLOUT_L
31 VOLOUT_R
30 MIC_GND
29 MIC_GND
28 SHOE_MIC_FL
27 MIC_GND
26 SHOE_MIC_FR
25 MIC_GND
24 MIC_GND
23 XCS_AUVOL
22 XVSP_SCK
21 VSP_SO
20 REG_GND
19 REG_GND
C8101 C8102
18 A_2.8V
22u 22u
4V 6.3V
17 A_2.8V
16 A_2.8V
L8101
15 REG_GND
10uH
14 REG_GND
13 AU_4.6V
L8102
47uH 12 AU_4.6V
11 AU_4.6V
10 REG_GND
REG_GND 9 REG_GND
HP_GND 8 REG_GND
HP_R_OUT
7 HP_R_OUT
HP_L_OUT
6 HP_L_OUT
5 REG_GND
HP_JACK_IN
4 HP_JACK_IN
SCHARGE_LED
3 SCHARGE_LED
R8321
0
2 NC
KEY_AD1-2
1 KEY_AD1-2
R8102
12k
C8323
XX
4-64
13 14
TT-001
(21/21)
CN1008
THROUGH THE
FP-254 FLEXIBLE
(PAGE 4-50)
OO-001 (2/2)