HCD-GTR33/GTR55/GTR77
HCD-GTR33/GTR55/GTR77
15
15
6-1. BLOCK DIAGRAM - RF SERVO, USB Section -
SECTION 6
DIAGRAMS
OPTICAL PICK-UP
BLOCK
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC201
AUTOMATIC POWER
CONTROL
Q102-1
RF
VOA/A
VOB/B
VOC/C
VOD/D
VOE/E+G
VOF/F+H
VC
LD (780)
AUTOMATIC POWER
CONTROL
Q102-2
LD (650)
CD ON
SWITCH
Q101-1
CD ON
SWITCH
Q101-2
VR (780)
VR (650)
FCS+
MSW
PD
LIMIT
Q103
SF_CS#
SD-RAM
IC104
X101
27MHz
FCS–
TRK+
TRK–
SL+
SL–
SP+
SP–
RD0 – RD15
PRST #
RA0 – RA11
2, 4, 5, 7, 8, 10, 11, 13, 42,
44, 45, 47, 48, 50, 51, 53
45 – 49, 51 – 53,
64 – 61, 56 – 59
82, 83, 85, 86,
74 – 69, 81, 67
29 – 34, 22, 35
36
SF_CK
39
BA0
78
20
BA1
80
21
RCLK
66
38
DQM0
55
15
DQM1
65
39
RAS#
77
18
CAS#
76
17
R
WE#
75
16
: CD PLAY
: AUDIO
: USB
RF +3.3V
43
REGO2
REGO1
REGO2
REGO1
(KHM-313CAB)
FLASH ROM
IC102
XT
ALO
L-OUT
A/D CONVERTER
IC4601
REC_L
R-CH
USB CONTROLLER
IC1501
D/A CONVERTER
IC4602
R-CH
SF_DO
37
SF_DI
38
CD MECHANISM
DECK
M1-
M2+
M2-
M1+
MOTOR
DRIVE
Q645 - 648
MOTOR
DRIVE
Q640, 641,
Q643, 644
SW3
SW2
SW7-CHACK
SW1
SW5-STOCK
SW8-OPEN
SW6-CLOSE
CN1001
3
2
1
D+
D–
VBUS
3
2
1
D+
D–
VBUS
X1500
24MHz
USB +5V
PLAY A
REC/PLAY B
CN1000
SIGNAL PATH
R-ch is omitted due to same as L-ch.