JVC LT-52GZ79 Service Manual page 32

ANALOG PWB CIRCUIT DIAGRAM (5/6)
C634
100 /6.3
C686
4.7 /16
MAIN_R
J2
MAIN_L
J2
C685
4.7 /16
MAXX_RST
R604
OPEN
SCL3A
R603 OPEN
SDA3A
R602
0
CARD_DA
R601 0
CARD_CK
HP_DET
ANALOG PWB ASS'Y (5/6)
SFL-1237A-H2
ANALOG PWB(2/6)
[LT-52GZ79, LT-52GZ79/E, LT-52GZ79/S]
SFL-1237A-H8
[LT-52GZ79/BA]
AMP_MUTE
HP_MUTE
ANALOG PWB(2/6,3/6)
M_MUTE
ANALOG PWB(2/6) A_MUTE
BS_A3.3V
IC604
74LVC1G125GW-X
OE VCC
A
GND Y
R620 47
R619
IC603
OPEN
R2S15901SP-X
R621 47
SDI VDD
C636 R622 47
LRI SDO
C637
100 /6.3
.01 R623 47
BCK CTR1
VSS CTR0
GND
R626
R624 4.7k
100
R625 OPEN
R628
4.7K
IC602
MM3272FN-X
VOUT
VDD
(2.5V) C639
10 /6.3
C635
GND C638 CB2
.01
10 /6.3
CB2
CE NC
GND
L606
NQLE42M-100X
L607
NQLE42M-100X
41
C602
.01
10 9 8 7 6 5 4 3 2 1 GND
C665
1 /6.3
R663
GND
10K
11 TEST VDD_3.3V 40
R615 1K
12 HPSENCE VDD_1.8V 39
100
R616
13 SCL Xtal_out 38
R617 100
14 SDA IC601 Xtal_in 37
L601
MX5000A
15 VDD_3.3V 36
NQLE42M-100X MAXXAUDIO
C629
C630 16 VDD_1.8V 35
47 /6.3
.01 R667 10K
17 xRESET 34
R618 10K
18 LOUT 33
R668 10K
AUDIO CONTROL
19 ROUT 32
20 SBW 31
R669 10K
C626
1 /6.3
C622
OPEN
21 22 23 24 25 26 27 28 29 30
BS_A5V
C668
47 /6.3
C619 K601
10 /50
NQR0499-002X
C621
100 /6.3
R606 10K
R605 10K
R608
R607
10K
10K
GND
(No.YA665<Rev.001>)2-15
BS_A5V
IC605
MM1689AH-X
C649
1 /6.3
PS2 NC BS_A3.3V
R627
PS1 GND
100
C650
.01
VIN2 VO2
R629 (1.8V)
OPEN
VIN1 VO1
(3.3V)
C646
C647 C651
.01 100 /6.3 .01
C655
GND
.01
C654
R660
47 /6.3
0
3.3V
OPEN
L602
C653
100 /6.3
L603 OPEN GND
C644
47 /6.3
C652
R661
/6.3
0 100
C645
.01
L605
R630
NQLE42M-100X GND
OPEN
D609
C601
OPEN
.01
C667
47 /6.3
C666
47 /6.3
D608 C656
R644 C603 OPEN OPEN
12p
2.2K
CH
R609 X601
100K NAX0932-001X
12.288MHz
C604
12p
CH
C627 0
R664 10K
R665 10K
C628 0
R666 10K
R776
OPEN
C775
OPEN
GND
R780
R787 R778
0
0 0
4 3 2 1
R782
OPEN
GND
IC752
R774
OPEN
OPEN
R781
OPEN
C771
5 6 7 8
OPEN
R779
0
R786 R777
0 0
C776
C774
R773 OPEN
OPEN
OPEN
R775
OPEN BS_A9V BS_A5V
R784 R785
R771 R772 OPEN OPEN
OPEN OPEN
R770 R783
0
0
R757
4.7k
C772
NRSA02J-0R0X
C773
NRSA02J-0R0X
POW_GOOD 24V
R673 R655
OPEN *
C672
D607
OPEN
MA111-X
Q601
R650
56k
C670
*
GND
R662
D604
15k
D602 MA111-X
MA111-X
D605
MA111-X
D603
MA111-X
D606
MA111-X
D610
OPEN
2-16(No.YA665<Rev.001>)
ASSY NO. - MODEL LIST
SFL-1236A - LT-42GZ78A SFL-1237A - LT-47GZ78A
LT-42GZ78BA LT-47GZ78BA
LT-42GZ78SA LT-47GZ78SA
LT-42GZ78TA LT-47GZ78TA
LT-42GZ78B LT-47GZ78B
LT42GZ78NASK LT47GZ78NASK
LT-52GZ79A
LT-52GZ79SA
LT-52GZ79EA
LT-52GZ79BA
BS_A9V
L604
OPEN
C659
0
R634 0
C663
OPEN
R638
R632
OPEN
OPEN
R642
C657 OPEN
0
R636
5 6 7 8
OPEN C661
OPEN
IC606
OPEN
- NOTE -
R631 C662
OPEN :OPTION(NON MOUNT)
OPEN R643 OPEN
4 3 2 1
R637
0 0 :NRSA63J-0R0X
NPN :2SC3928A/QR/-X
OPEN
OR 2SC1623A/5-6/-X
PNP :2SA1530A/QR/-X
C658
OPEN OR 2SA812A/5-6/-X
R633
R641
OPEN BW1 :QUY153-050Y
0
BW2 :QUY160-100Y
R635
C660
0 0
GND
BS_A5V VCC5V
C753
220 /4
NEHL0GM-227X R765
R763 R766 47
0 OPEN
C752
R755 4.7
/10 HEADPHONE R764 C759
0
1k 0.1
CB2
AMP
R762
OPEN C751
OPEN
IC751
BH3547F-X
C754
C761
100 /10 47 /16
8 7 6 5
NEHL1CM-476X
VCC
BIAS
6dB
MUTE
GND
R767 C758 R760
1 2 3 4
OPEN OPEN
47k C757
R756
4.7 /10
0 C755 R768 C760
220 /4 0.1
1k
CB2 NEHL0GM-227X
R769
47
R761
0
Q751
R759
PNP
0
C756
Q752
1 /6.3
RT4N430C-X
OR UN2226-X
R758
100k
GND
BS_A9V STB_5V 5V 16V
R656 R657 R658 R672
OPEN * OPEN OPEN
* DIFFERENCE LIST
D611
R651
100k OPEN
C671
PNP
NOTE. 42GZ 52GZ
OPEN
SFL-1236A SFL-1237A
R652
OPEN
NRSA63J
R655 OPEN
R653 -0R0X
OPEN
Q602
NRSA63J
NPN R657 OPEN
R654 -0R0X
OPEN
NEAF0JM NEHM1EM
C670
-227X -336X
GND
AMP_L
ANALOG PWB(4/6)
AMP_R
AMP-MUTE
HP_R
ANALOG PWB(2/6)
HP_L
ggs10021001a_12/4_3/6_0.0