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HCD-GZR5D
HCD-GZR5D
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7-3. BLOCK DIAGRAM – MAIN Section –
R-CH
VREF
VREF
R-CH
R-CH
R-CH
R-CH
REG+9V
TH751
D555
RY551
D752
D556
+
–
+
–
+
–
TEMPERATURE
PROTECT
+9V
L-CH
R-CH
(PLAY)
(MOTOR)
LT
L
R
SD
CE
DI
CL
DO/ST/SD
FL
RECA L
SCORE
XVOICE
TU-SD
R-CH
TU-CE
TU-DO
TU-CLK
TU-SI
VIDEO MUTE
ERASE
HEAD
CAPSTAN
MOTOR
MIC MUTE
Q261,262
REC MUTE
Q103
BUFFER
Q102
RESET
Q463,464
REC
BIAS
OSC
Q501,502
USB-REC.M
RESET
SI-SO
(SERVICE)
FLMD0
TU-SI
TU-CLK
TU-DO
TU-CE
TU-SD
VIDEO-MUTE
REC-SEL-B
REC-SEL-A
TP-STATE
USB-REC.M
ECHO-G2
ECHO-G1
AUDIO LEVEL
BB-ON
REC-MUTE
MIC-DETECT
INPUT FUNCTION
CONTROL
IC101
PB AMP
IC501
BASS BOOST
AMP
IC102
POWER AMP
IC751
FAN 901
FAN
MOTOR
S501
(REC/PB)
REC/PB HEA
REC AMP
IC502
AUDIO (REC) SELECT
IC105
TM901
FM/AM
TUNER
UNIT
MIC MIX
IC103
SYSTEM CONTROL
IC401 (2/3)
RESET
IC402
VCC
J261
MIC
J252
PHONES
TB101
SPEAKER
(IMPEDANCE:USE 6
7
)
J251
TAPE MECHANISM DECK
L501
Q559
MIC-DETECT
ECHO-G1
ECHO-G2
Q560
Q561
AUDIO IN
M
M
MUTE
Q105
Q562
Q493
O-POWER
HP-DETECT
UNREG (+16V)
AMP-ON
PROTECT
CN410
POWER AMP
SWITCH
Q555
PROTECT
Q753
RELAY
DRIVER
Q551
FAN
CONTROL
Q552,554
FAN
PROTECT
Q556–558
PROTECT
LATCH
Q751,752
DC OFFSET
DETECT
Q013,014
REC-MUTE
TP-STATE
REC-SEL-A
REC-SEL-B
VIDEO-MUTE
AUDIO-LEVEL
FM 75
7
COAXIAL
ANTENNA
AM
1
5
4
EEPROM
IC403
+VP
–VP
D558
M
M
L
R
HP-DETECT
AMP-ON
DETECT
Q107
ECHO AMP
Q264-269
MUTE
Q109,111
MIC AMP
IC261
RV261
MIC
LEVEL
ECHO AMP
IC262
•
Signal Path
: TUNER (FM/AM)
: AUDIO (DVD)
: PB (TAPE)
: REC (TAPE)
: MIC
•
R-ch is omitted due to same as L-ch.
Summary of Contents for CDM74HF-DVBU101
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