JVC UX-LP5A, Service Manual

Page: 23 / 34

2-5
Main section 3
AM_HOP
R424
R425
0R (AM)
C201
C202
1000P (AM)
0R (AM)
0R (AM)
R423
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
R426
IC214
C204
0R (L5V)
Z217
OPEN (AXIAL)
1A
3Y
GND
3A
2Y
2A
1Y
14
9
8
10
11
12
13
1
6
7
5
4
3
2
VCC
4A
4Y
5Y
5A
6Y
6A
R3
OPEN (1206)
R428
3K9 (L5V)
R440
OPEN
OPEN
OPEN
OPEN
C209
R429
A+12V
T98
PRE_L
PRE_R
R406
2K2
2K2
R441
SYNCLK
C237
C238
0.47U
0.47U
R407
R408
33K
33K
C225
2U2/16V
R410
1M
1000P 1000P
C241
R412
R414
C242 C243
1M
1M
1M
R411
0.47U
0.47U
C240
C244
0.1U
R413
39K
C239
0.1U
SVR
R435
100K
R415 0R
0R
R416
R409
22R
C245
C246
1U
1U
Gain 20dB 26dB 30dB 32dB
R415
R416
NC NC
NC NC
0R 0R
0R 0R
C247
0.1U
IC212
TDA7492
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
SUB_GND OUTPB OUTPB PGNDB PGNDB PVCCB PVCCB OUTNB OUTNB OUTNA OUTNA PVCCA PVCCA PGNDA PGNDA OUTPA OUTPA PGND
VSS
SVCC VREF INNB
INPB
GAIN1 GAIN0
SVR
DIAG
SGND
VDDS
SYNCLK
ROSC
INNA
INPA
MUTE
STBY
VDDPW
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18
C11
0.1U
C227 C228
C226
0.1U
0.1U
0.1U
C224
C223
C10
1U 1U
1U
C222
C221
Z216
Z215
R405
3V3, AXIAL
3V3, AXIAL
D3
LL4148
LL4148
C206
OPEN
X201
X202
220K (AXIAL)
Q213
2SK3018 (AM)
R419
1K (AM)
R422
C203
R421
For AM TUNER
R420
C207
Q214
0R (E-C)
C208
0R (AM)
AMP_STB
ECO_STBY
UNPLUG_MUTE
AMP_MUTE
D2
R402
R401
22K
22K
Q217
Q218
8050C
8050C
R403
51K
51K
C220
0.1U
R404
C229
1500U_35V
R417 C296
R418
22R
C230
330P
T4
0.1U 0.1U
L205
22UH CHOKE
22UH CHOKE
22UH CHOKE
22UH CHOKE
C231
0.47U/63V, BOX
0.47U/63V, BOX
L206
L207
L208
C232
C233
C235
C234
C236
0.22U
0.22U
0.22U
0.22U
L3
30UH COMMON MODE CHOKE
30UH COMMON MODE CHOKE
3
4
1
2
3
4
1
2
CN212
2X2 SPEAKER JACK
6 OHM 35WX2
4
3
2
1
L+
R+
R-
L-
T66 T99
T101 T100
L2
T3
T2
330P 22R
T1
+25V
C9
0.47U/63V, BOX
R286
1M
C210
0.1U
C211
4-PINS HEADER, 2.5MM
+25V
+25V
FROM SMPS BOARD
1
2
3
4
T46 T47
LL4148
D1
AGND
SUB_L
SUB_R
2
3
8
1
R281
2K2 (L5V)
IC210-A
IC210-B
AZ4558 (L5V)
AZ4558 (L5V)
+12VV
+12VV
C219
0.01U (L5V)
IC211-B
AZ4558 (L5V)
C218
T5
T6
T7
T8
T10
T11
T12
T9
SUB_OUT
FB11
0R (L5V)
R295
1K (L5V)
10U/16V (L5V)
R296
47K (L5V)
7
5
6
4
R291
100K (L5V)
C217
4700P (L5V)
100K (L5V)
R290
IC211-A
AZ4558 (L5V)
3
2
8
1
R289
1K (L5V)
R288
2K2 (L5V)
2K2 (L5V)
R287
OPEN (L5V)
C213
10U/16V (L5V)
R282
6
5
4
7
EC1
10U/16V
R5
10K
R4
4K7
A+12V
Q1
8550C
ZD1
11V ZENER
UNPLUG_MUTE
A+12V
R283
560R (L5V)
10K (L5V)
10K (L5V)
R284
C215
220U/16V (L5V)
+12VV
VREF
C216
0.1U (L5V)
VREF
ST+5V
R6
1K (L5V)
10K (L5V)
R450
Q215
8550C (L5V)
Q216
8050C, TO-92 (L5V) + 10U (0805 B-E)
L1
FERRITE BEAD, AXIAL
R299
47K (L5V)
Q222
8050C (L5V)
LINE_MUTE
C214
100U/16V (L5V)
R285
SUBWOOFER PRE-OUT (DVD MODELS)
SCREW2 SCREW1