JVC KD-A525J Service Manual page 23

Block diagram
CD section Main section
SW1
SW2
SW1, SW2, SW3
SW3
VF1, VF2
DETECT SW
VT1, VT2
CD_MD, LD
SP+/-
SPINDLE MOTOR
VREF
FEED+/-
FEED MOTOR
SP+/-
LOAD+/-
FEED+/-
LOAD MOTOR
LOAD+/-
FOCUS+/-
SW1 REST (PSW)
TRK+/-
REST SW
PSW, SW1, SW2, SW3
CD PICK UP
VF1, VF2, VT1, VT2
MD, LD, Vc (VREF)
PICK UP 1.5V
(IC540
TRK+/-
VDDM1)
FOCUS & TRACKING
FOCUS+/-
COIL
LCD&Key section
DI1 (A525J / R520J / E / EU / EY / BTP50J)
LCD1 (U / UN / UH / UT / UI / 528J)
LCD DISPLAY
D651 BACK LIGHT LED
D631 to D633, D635 to D645
D653, D654
LED
A525J / R520J / E / EU / EY / BTP50J only
U / UN / UH / UT / UI / 528J only
LED4
Subboard
LED5
D624 LED6
RGB LIGHTING
LED0
LED1
LED2
D623, D625
RGB LIGHTING
LED7
D630 to D632 LED
AUX
IC681 REMOCON
INPUT
REMOCON
USB5V
USB
No.MA479
IC580
CD.L, CD.R
CD LPF
CMDREQ, CMDSO, CMDSI
IC540
CMDBUCK, CMDCCE
Q540
X540 CDRESET, SRAMSTB, CDMUTE
RF AMP
16.934MHz BSIF_REQ, GATE
LRCK, BCK, DATA
BTL_DMO, BTL_FMO
BTL_FOO, BTL_TRO
IC501 FWD, REV, DRVMUTE
BTL DRIVER
VDD5V
3.3V
IC530 3.3V REG.
VDD5V
IC532
REG. 1.5V
IC531 1.5V REG.
PON_CD
S1 to 50 (A525J / R520J / E / EU / EY / BTP50J)
S2 to S51 (U / UN / UH / UT / UI / 528J)
COM1 to 4
IC661
Q631 P1
LCDCE
P2 LCD LCDCE
Q632
LCDCLK
P3 LCDCL
DRIVER
Q634
LCDDA
LED
LCDDA
DRIVER
RGBCL
VOL1
VOL2
KEY0
KEY1
3.3V
OE
LCDDA
IC601
RGBCL
RGB
5V 10V
D+, D-
Q627
DRIVER
5V REG.
FAUX-L
FAUX-R
VOL1, VOL2
JS601
REMOCON
ENCODER
KEY0
S601 to S611
KEY1
KEY MATRIX USB5V
AUX-L, AUX-R
D+, D-
CD.L, CD.R
SDATU
SCLTU
IC771
EPROM
CD.L
CD.R
IC161
E.VOLUME
DC_ERR
X701
FAUX-L, FAUX-R
12MHz
X702
32.768kHz
MUTE
SDACP
SCKCP
IC80
RSTCP
IC701
IPOD CP
CPU
BEEP
AMP_STBY
AMP_MUTE
RESET
BU_DET
DIMMER_IN
VDD3.3V
TELMUTE
Q701
PAN3.3V SW
PON_PANEL
ACC_OUT
CTRL1, CTRL2
REMOCON
USBPON, FREQ_SEL
10V
IC981 , Q981 VDD3.3V
MEMORY
DC-DC USB5V
Q951 , Q952
& HSS
SW3.3V
SW3.3 CCT
(No.MA479<Rev.002>)3/23
X1
4MHz
IC1
FM/AM TUNER
TU.L
TU.R
RAUX-L
Q780
RAUX-R
Q321 , Q341
RL/SUBL, RR/SUBR
Q251
FLOUT, FROUT
A525J only
RLOUT
RROUT LINE MUTE
OFFSET
A525J
only
E_MUTE
D780
D781
FL+/-
IC301 FR+/-
RL+/-
RR+/-
AC-GND
POWER
STBY
AMP.
MUTE
D782
IC702 , S701
VDD3.3V
RESET
Q781 , Q782
MUTE CONTROL
MEMORY
,
Q970 Q971
BU/SURGE DET
Q881
ILL
ILMI
TEL MUTE
D891
TELMUTE
SW5V, VDD5V,
EXT REMOTE
CD8V, A9V, ILM10V
EACH BLOCK
IC901 ACC_IN
REGULATOR
MEMORY
ANT OUT ANTENNA
U / UN / UT / UH / UI only
OE REMOTE
except R520J
VDD5V
IC931
3.3V REG.
SW5V
created date:2011-03-04
J1
ANT
REAR
AUX IN
FRONT,
REAR /
SUB-
WOOFER
LINE OUT
except A525J
FRONT,
REAR,
SUB-
WOOFER
LINE OUT
A525J only
SPK
BATTERY