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SCHEMATIC DIAGRAM - 11
: +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE

POWER CIRCUIT
IC500
SIL 26 SIR 25 IN GND 24 L IN 23 R IN 22 -VD 21 +VD 20 -CIN 19 +CIN 18 -Di +Di RELAY SENS SENS 17 16 15 IH DET 14 DISP HMUT +COUT -COUT GND 13 12 11 10 -VCC AC IN R OUT LOW 9 8 7 +VCC -VCC LOW L OUT Hi 6 5 4 +VCC Hi 3 SOR 2 SOL

IC500

RSN309W44B
HIC
<0V>(0V) ((0V))0V <-26.5V>(-26.52V) ((-26.52V))-26.52V <0V>(-0.27V) ((0V))0V <0V>(0V) ((0V))0V <-10.1V>(-10.12V) ((-10.12V))-10.12V <26.11V>(26.15V) ((26.15V))26.15V <-26.16V>(-26.21V) ((26.24V))-26.21V <25.84V>(25.88V) ((25.88V))25.88V <-12.11V>(-12.11V) ((-12.11V))-12.11V <-48.4V>(-48.9V) ((-48.9V))-48.9V <48.4V>(48.7V) ((48.7V))48.7V <0V>(0V) ((0V))0V <0V>(0V) ((0V))0V <0V>(0V) ((0V))0V <0V>(0V) ((0V))0V <0V>(0V) ((0V))0V <0V>(0V) ((0V))0V <-12V>(-12V) ((-12V))-12V <0V>(0V) ((0V))0V <0V>(0V) ((0V))0V <0V>(0V) ((0V))0V <0.2V>(0.21V) ((0.21V))0.21V <-47V>(-47V) ((-47V))-47V <0V>(0V) ((0V))0V <0V>(0V) ((0V))0V <0V>(0V) ((0V))0V
1

R511 56K
C503 470P C506 470P

L550 L551 R550 10 L551 RLQZR73MT-T

C500 470P C502 470P
R507 5.6K

R524 150K R512 56K C512 15P R513 56K C513 22P R514 56K C514 22P R504 15K
(47.1V)<47.1V> 47.1V((47.2V)) [47V]

D509 RK306LFU1

D510 RK306LFU1

C511 15P

C516 R518 0.047 470K

R523 120K

R551 10 C551 0.01 C550 0.01 C524 0.047 R534 10 C528 0.047 R536 10

R502 5.6K

R506 5.6K

R522 220K

R500 15K R501 15K

R503 5.6K

Q504 2SD1859QRTV2
REGULATOR +48V FOR IC500
(48.9V)<48.9V> 48.9V((48.9V)) [48.9V] (47.6V)<47.7V> 47.8V((47.7V)) [47.6V]

R525 180K
R526 C519 10K 16V10

L552 R552 10

L552-L553 RLQZR73MT-T

R528 22K

C508 0.01 C507 0.01

Q502 2SB1238QRTV2
1 2 3

C515 0.1

R553 10

R519 4.7 L553

C526 0.047 R535 10

C530 0.047 R537 10

C552 0.047

GND1 +15V HI_LCH HI_RCH LOW_CH GND1 S_CH C_CH CD DCDET PCONT HP_SW

REGULATOR -48V FOR IC500

R517 4.7K

R520 4.7
(0.2V)<0.2V> 0.2V((0.2V)) [0.2V]

JK500 4 2 3 1 + Rch SPEAKER 6 Ohm + Low Channel - Lch

(-49.2V)<-49.1V> -49.1V((-49.1V))[-49.1V] (-47.4V) <-47.3V> -47.3V ((-47.3V)) [-47.3V]

R516 330
(-0.01V) <-0.01V> -0.01V ((-0.01V)) [-0.01V]

TO MAIN CIRCUIT (CN300) ON SCHEMATIC DIAGRAM-6

4 5 6 7 8 9 10 11 12

C505 0.01

(-47.7V) <-47.8V> -47.9V ((-47.9V)) [-47.9V]

C509 0.01

R515 4.7K D507 D508 D503 D504

(-0.01V) <-0.01V> -0.01V ((-0.01V)) [-0.01V]

R510 330
(5.14V) <5.16V> 5.16V ((5.14V)) [5.16V]

R527 100K
1 2

JK501

Q505 2SD2144STA
POWER CONTROL SWITCH HP : ON/OFF C553 0.047

3 4

Lch Rch SPEAKER 6 Ohm High Channel

(5.16V)<5.18V> 5.19V((5.17V)) [5.19V]

Q503
(-0.01V) <-0.01V> -0.01V ((-0.01V)) [-0.01V]

Q501

CP501

(0V)<0V> 0V((0V))[0V] (-0.06V)<-0.06V> -0.06V((-0.07V))[-0.06V]

Q501,Q503

KTC3199GRTA
SWITCH DC DETECT

R532 150 R521 150

D505 D506

D505-D506 RVD1SS133TA IC501 D503,D504,D507,D508 STK470-090 MTZJ24DTA VOLTAGE REGULATOR

IC501
+Vin2 +3.3V

<15.59V>(15.63V) ((15.18V))15.38V +10V

2 3

<13.87V>(13.87V) +15V ((13.86V))13.87V

<25.74V>(25.8V) +Vin1 ((25.86V))25.79V

<0V>(0V) ((0V))0V

<-9.72V>(-9.71V) ((-9.7V))-9.71V

<9.07V>(9.07V) ((9.06V))9.06V

<0V>(0V) ((0V))0V

<0V>(0V) ((0V))0V

<0V>(0V) ((0V))0V

<0V>(0V) ((0V))0V

<0.13V>(0.13V) ((3.28V))0.13V

<4.95V>(4.95V) ((4.95V))4.95V

<-26.55V>(-26.55V) ((-26.58V))-26.55V

<25.74V>(25.81V) ((25.88V))25.81V

<9.96V>(9.96V) ((9.95V))9.95V

<-9.09V>(-9.08V) ((-9.07V))-9.08V

<0V>(0V) ((0V))0V

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

C531 35V3300P

GND

-Vin1

+5V

-9V

+9V

1

<2.47V>(2.47V) ACTIVE ((0.25V))2.47V LOW

C518 50V47

C540 50V47

C541 50V100

9 10 11 12

50V5 5600P

TO MAIN CIRCUIT (CN301) ON SCHEMATIC DIAGRAM-6

D517

D515

D513

D511

4 5 6 7 8

50V5 5600P

P.GND DGND +9V -9V GND1 8V CD3.3V SW5V LED9V 10V D500

E500

50V47

D518

C533

D516

R538 2.2

C532

C539

R541 1.5K

D501
C538

CP500

50V47

R542 1.5K

D500-D501 RL1N4003S-P

C517 50V47

R539 2.2

C534 35V3300P

C536 0.18

(5V)<5V> 5V((5V)) [5V]

Q506

(5V)<5V> 5V((5V)) [5V] (0V)<0V> 0V((0V)) [0V]

D514

R544 47K

D519 D520

D511-D517 1N5402BM21

C521 0.1

(5V)<5V> 5V((5V)) [5V]

Q507
Q506-Q507 SHORT CIRCUIT PROTECTION

(0V)<0V> 0V((0V)) [0V] (-5V)<-5V> -5V((-5V)) [-5V]

D519-D522 MTZJ20BTA S1 S1 S2 S2 GND
1 2 3 4 5

D512

H500/W500

KTC3199GRTA

R545 D521 D522 47K

C522 0.1

R540 4000 C537 50V100

R543 1000

GND 6 S2' 7 S2' 8 S1' 9 S1' 10 SUB+B 11 VP (AC) 12 SUB+B_GND
13

TO TRANS CIRCUIT (CN501) ON SCHEMATIC DIAGRAM-12