JVC CA-UXB70 Service Manual page 45

Block diagram
Tape deck mechanism & Tape pre-amplifier & Bias
L+,L–
R+,R–
RP MECHA
HEAD
Q342 to Q346
HEAD SWITCH
BIAS FRQ
L301
CHECK POINT
BIAS OSC
TP100
Q302,Q305
BIAS
OSC/CONT.
RECB
SERIAL to PARALLEL
PORT EXTENSION
CN251
TR1_CL to TR5_CL
S.TR_ST,M.TR_OP
TR_OP,TR_CL
POS_UP
POS_DOWN
A,B,C,D
E,F,LD,PD
RF & SERVO
CD
T+,T–
PICKUP
F+,F–
TBAL,FBAL
FE,TE,GCTL
RM+,RM–
SPINDLE /RFDET,OFT
SM+,SM–
M
BDO,RFENV
& FEED
ARF
REST /REST-SW
SWITCH
IC801
FOCUS & TRACKING
& FEED & SPINDLE
BTL AMP
TRD,FOD,ECM
DQSY
ECS,TVD
SBCK
For
SUBC
CD TEXT
CD servo & CD system control
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FM/AM tuner unit
TUL
FM ANT
TUR
IC1
FM/AM 9V
TUNER
TUDIN
AM ANT
TUDOUT
CE,CLK
PBL,PBR
IC32
RECL,RECR
PB/REC
AMP
VR31
REC/PLAY
FREQUENCY
RESPONSE ADJ.
Q371,Q372
PBMUTE MTR+
MOTOR
Q347
DRIVE
RMUTE
MOTOR
IC33
Q375,Q376
SOL
SOLCTRL
SOLENOID
DRIVE
STTA,SDATA,SCK
M
5-CD CHANGER
UNIT
SWITCH
SOLENOID
CN252 CN253
S.TR_END L.SENSOR
SWITCH
M
IC601
Q651
Q652 AUX.
AMP
INPUT
EQX2
EQX4
IC251
UNIT
MICON
SUBQ,SQCK
/RST_DSP
FLOCK,FLAG
DMUTE,BLKCK
TXD0
MLD,MCLK
RXD0
STAT,MDATA
/RESET
IC651
DIGITAL SERVO
OUTL,OUTR
& PROCESSOR
manuals search engine
Signal processing & System control
Q7801
Q7802
SPEAKER
SDATAIN
SDATAOUT Q7600
CIRCUIT
TUCLK
Q7601
TUCE
TUNER H/PSW
RDS
IC760
INHB
SWITCH
RDS SPKRLY
FTUNER
DRIVER LINP
RINP
RDSDATA
RDSCLK
TUL
TUR
RECL,RECR
PBL,PBR
VOLDA
SCK,STTA
VOLCK
SDATA
VOLCE
SAFETY1
IC900
/PRT,/SMUTE
SYSTEM
MTR+
POUTRLY
MICON
SPKRLY
REEL CDL
CDR
PLAY
FRREC
AUXL
AUXR
VR200
MOTOR
SPEED
ADJUST
LOAD,UNLOAD
/SMUTE
POUTRLY
IC902
MTR+
LOADING
MTR-
MOTOR
TLMT+
DRIVER
TLMT-
AUXL,AUXR
POWERKEY
KEY0 to KEY2
REM,VOLM,VOLP
FLDATA,FLSTB
Q7700,Q7701
FLBK,FLCLK
TWIN CDSTAT
L-LED
INVERTER
C-LED
R-LED
BUFFER
CDCMD
Q7400 to Q7402
CDRST
LED DRIVER
CDL,CDR
Q7550
LEDCTL LED CTL
SPEAKER
OUTPUT
RY200 Power trans.
T1101
TRANS
OUTL
OUTR
Q2209
CN102
Q2210
AHB
DIODE
BRIDGE
POUTRLY
IC901
CN103
VOLUME
& HPF
CN350
H/PL
SIGL
H/PR
SIGR
OUTL,OUTR
SIGL,SIGR
/PRT /PRT
/SMUTE
US10V
US8V
US3.3V
F1,F2
FLVH US3.3V
Source selector switch
KEY0
S5500,S5501,S5200
POWERKEY
KEY MATRIX
L-LED
C-LED
L-LED
LEDRED
R-LED
C-LED
LEDGREEN POWER
R-LED
DISPLAY
LED
BACK
LIGHT
IC520
REM
REMSENSOR
LEDRED
LEDGREEN
Primary
AC
INPUT
T1100
TRANS
Q1100
Q1200 to Q1202
US6V REG.
Headphone
H/PL,H/PR
HEADPHONE
H/PSW
JACK
Power amplifier
+VH
-VH
IC340
POWER
AMP.
Q3105 to Q3107
PROTECTOR
INHB,H/PSW
POUTRLY
IC341
US10V
US10V
REG.
IC342
US8V
US8V
REG.
IC343
US3.3V
REG.
User key control
VOLM
J5100
VOLP
VOL
KEY1
S5100 to S5116
KEY2
KEY MATRIX
FL display
FLDATA,FLSTB
DI570
FLVH,FLBK
FLCLK,F1,F2
FL DISPLAY
2-1