JVC LT-26DY8ZG Service Manual page 42

MAIN PWB CIRCUIT DIAGRAM (4/8) SHEET 4
S612
VCC_5V D611
1N4148
D610
C3V6
TO REDUCE POWER ON HP POPING
SHEET3
C604
R602
HEADPHONE_L 4k7
1n
1kV
SHEET3
C608
R603
AMPLIFIER_R 12k
10u
50V
C609
R604
AMPLIFIER_L
12k
10u
50V
IC600
C614
8 VDD OUTA 1
100u
16V
7 OUTB INA- 2
TDA1308T
6 INB- INA+ 3
5 INB+ VSS 4
C605
1n
50V
HEADPHONE AMPLIFIER
AMP_24V
1
2
3
4
5
AMP_EN
R611
10k 6
AMP_24V
7
8
9
C618
R612
10k 10 EN2
68n
50V
(No.YA567<Rev.001>)2-13
SHEET 2
HP_OUT_L VIN_24V
HP_OUT_R SHEET 3
C623
HEADPHONE_R
R613
4k7
1n
1kV
SHEET 3,5
R616
5k1
AMP_MUTE
AMP_EN
L601
AMP_24V
50R_100MHZ_3A
IC601
NC1 PGND1 20
REF1 SW1 19
IN1 VDD1 18
AGND1 BS1 17
NC2 NC4 16
MP7722
EN1 PGND2 15
IN2 SW2 14
REF2 VDD2 13
AGND2 BS2 12
NC3 11
L602
AMP_24V
50R_100MHZ_3A
2-14(No.YA567<Rev.001>)
MAIN PWB ASS'Y (4/8)
OPTIONAL VE-20357300 [LT-26DY8ZG]
L603
AMP_24V
22u
VE-20357305 [LT-26DY8ZJ]
L604
22uH_3.9A_SMD
R620
1k
AMP_EN
Q600
BC848B
FEEDBACK_R
L607
N.C.
22u
OPTIONAL
C644
L608
22uH_3.9A_SMD
1000u
35V
AMP_24V
N.C.
C645
L605
22uH_3.9A_SMD
1000u
35V
L606
22u
—POPTIONA
FEEDBACK_L
100U 25V IS USED
30000353
C648
100u
50V
BC858B
Q601
R630
Q602
10k
BC848B
POP NOISE CIRCUIT
RIGHT OUTPUT SPEAKER CONNECTOR
2
SPEAKER(R)
1
PL601
LEFT OUTPUT SPEAKER CONNECTOR
2
SPEAKER(L)
1
PL600
17mb22_2_0905_4/10_0.0