Block Diagram - JVC KV-MR9000 Service Manual

Block diagram

MICRO SW
Connect board
AUD_L/R
TO
Cable
ACC / CVBS_O
/ MUTE/ ON_DET
/ REM_SIG
/TUNER_DET
TO
B+
Cable
TO
Power input
TO
Tuner box
2-1
Monitor board
S1
REM_S Q105
Q108
ACC
A/B_SEL / TUNER_DET / ON_DET
MUTE
POW_CTL
B+
MUTE_O
AUD_R
Q14 Q4
Q16 Q5
AUD_L
VR1 2.3MHz
VR2 2.8MHz
Monitor connection board
BATT
ACC
SW
Q14
TUNER_DET
/ON_DET
CBST
/REM_S
CVBS1
U3
/A1L_IN
VIDEO
/A1R_IN
Input1 SW
CVBS2
/A2L_IN
U1/U4
/A2R_IN
Input2
AUDIO
SW
CVBS
M2
REMOTE
REMOTE
Q414
CONTROL
SENSOR
ACC_DET
Q15
SCL / SDA
U504
LED1-4
+12V_B
U5
U4
Q2
Q4
CON2
CON4
LED1-8
IR led board
U102
+8V
+8V
REG
B+
POW_CTL
Q101
TUNER_DET
/ ON_DET
REM_S
A/B_SEL
CVBS_O
AL_O/AR_O
U6
AMP
TFT_ON / DIMMER
SIDE1 / JUST / ZOOM / VIDEO_DET
UC_MITPWM_CS
/ UC_MITPWM_WR
/ UC_MIT_SIN
/ UC_MIT_SCK
U506
U501
X_SIN
MCU
/ X_SCK
/ OSD_CS
Q501
U503
-Q503
NPC
KEY0
MENU / UP
DOWN / MODE
SW
POW_CTL
Q9
+12V_B / B+
TO
Monitor
Output
COLOR / CONT
TINT / BRIGHT
HSYNC
/ VSYNC
/ OSD_R
/ OSD_G
/ OSD_B
/ SW
C
VCOM
CVBS
VTIN
TINT
TIN
NPC