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Model
HCD-GTR6 HCD-GTR6B HCD-GTR7 HCD-GTR8 HCD-GTR8B MHC-GTR6 MHC-GTR8
Pages
92
Size
7.24 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-gtr6-hcd-gtr6b-hcd-gtr7-hcd-gtr8-hcd-gtr8b-mhc.pdf
Date
PREV: Sony MHC-GTR6 / MHC-GTR8 Service Manual

Sony HCD-GTR6 / HCD-GTR6B / HCD-GTR7 / HCD-GTR8 / HCD-GTR8B / MHC-GTR6 / MHC-GTR8 Service Manual ▷ View online

21
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
3.  Mode:  Playback
4.  After the adjustments, apply suitable locking compound to 
the parts adjusted.
Adjustment Location:  Playback Head (Deck).
test tape
P-4-A100
(10 kHz, –10 dB)
oscilloscope
L-CH
R-CH
V
H
waveform of oscilloscope
in phase 45o 90o 135o 180o
good
wrong
L
R
Reverse
Rorward
22
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
5-1. BLOCK DIAGRAM — USB SECTION —
13
17
1
8
3
M+9V
USB CONTROLLER
IC1501
SINGLE-SUPPLY
DUAL COMPARATOR
IC1500
SYSTEM CONTROL
IC500 (4/6)
CN1001
1
4
(USB)
VBUS_A
D- A
D+ A
GND
+IN1
OSC1_N
OSC2_N
USBDN1_DP
USBDN1_DM
VCC
OUT1
OUT2
7
1
2
USB_HUB_RESET
HUB_VBUS_DET
RESET_N
VBUS_DET
26
21
22
USB-OC1
USB-OC2
27
31
USBUP_DM
USBUP_DP
30
RF/SERVO
A
XTAL1/CLKIN
XTAL2
33
32
X1500
24MHz
  Signal Path
: USB
CN1000
1
4
(USB)
VBUS_B
D- B
D+ B
GND
USBDN2_DP
USBDN2_DM
3
4
5 +IN2
USB_DP
USB_DM
19
18
SECTION
(Page 23)
SECTION 5
DIAGRAMS
23
23
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
5-2. BLOCK DIAGRAM — RF/SERVO SECTION —
DETECTOR
125
2
3
4
5
19
18
RFIP
OPOUT
RF_C
RF_B
RF_A
RF_D
RF_E
RF_F
LD01
MDI2
LD02
MSW
MDI1
CD RF AMP,
FOCUS/TRACKING ERROR AMP
CD SYSTEM PROCESSOR
DIGITAL SERVO PROCESSOR
IC101
OPTICAL PICK-UP
BLOCK
(KHM-313CAB)
2AXIS
DEVICE
FOCUS/
TRACKING
COIL
17
16
18
15
36
48
43
12
9
37
1
Q102 (2/2)
AUTOMATIC POWER
CONTROL (FOR DVD)
Q102 (1/2)
AUTOMATIC POWER
CONTROL (FOR CD)
LASER
DIODE
(FOR CD)
LASER
DIODE
(FOR DVD)
FOCUS COIL
DRIVE
42
41
BUFFER
35
3
34
4
TRACKING COIL
DRIVE
32
31
21
25
20
24
13
SLED MOTOR
DRIVE
FOCUS/TRACKING COIL DRIVER,
SPINDLE, SLED MOTOR DRIVER
IC201
27
28
SPINDLE MOTOR
DRIVE
M
M
M1
(SPINDLE)
S1
(LIMIT)
46
47
FMO
FOO
DMO
TRO
VREFO
127
IOPMON
FOO
RF
A
B
C
D
E+H
E+G
CD LD
VC
PD
VR650
VR780
DVD LD
FCS+
MSW
FCS–
TRK+
REG02 REG01
TRK–
SP+
SP–
SL+
SL–
NC
NC
VREFO
V2O
12
30
29
SLED MOTOR
DRIVE
M
M
M2
(SLED)
23
BUFFER
21
20
22
45
19
42
40
SYSTEM
CONTROLLER
IC500 (1/6)
64M RAM
IC104
91
TXD
40
IFSCK
MTK_CLK
33
TXD
CN105
RXD
RFMON
89
RXD
43
PRST
37
DF_D0
38
SF_CL
39
SF_CK
36
SF_CS
MTK-RESET
23
88
IFCS
MTK_XIFCS
24
35
IFSDI
87
IFBSY
MTK_BUSY
25
MTK SIO
47
78
BA0
BA0
20
80
BA1
BA1
21
55
DQSM
LDQM
15
75
RWE
WE
16
76
CAS0
CAS
17
77
RAS0
RAS
18
66
RCLK
CLK
38
65
DQM1
UDQM
39
TRO
10
13
FMO
IOP
IOPMON
DMO
107
MUTE123
22
MUTE4
94
GP1O
128
 SPFG
MUTE123
MUTE
TSD M
SPFG
108
LIMSW
Q101
Q103
7
6
(FOR TEST)
1
2
6
• Signal Path
: CD PLAY
: REC
126
41
IFSOD
MTK_SOD
48
FLASH
MEMORY
IC102
1.2V REG
IC111
1.2V REG
IC107
SI
2
SCK
5
CS
6
SO
1
STEREO
CONVERTER
A/D
IC4601
114
GPIO
GPIO
GPIO
GPIO19
SCKI
6
119
LRCK
7
115
GPIO
120
BCK
8
106
DOUT
VINL
9
CONVERTER
D/A
IC4602
MCLK
AOUT-L
AOUT-R
4
LRCK
3
SCLK
2
SDATA
1
13
L IN
8
LOUT
5
ROUT
67
69
I
81
I
I
83
85
RA0
USB_DP
27
USB_DM
USB_DP
USB_DM
28
74
I
RA11
45
I
RD0
49
51
I
53
56
I
59
61
I
64
I
RD15
A0
I
A3,
A10
A4
I
A9,
A11
22
I
26
29
I
35
QG0,
DQ1
I
DQ15
2,4,5,7,8,10,11,13,42,
45,47,48,50,51,53,55
  R-CH is omitted due to same as L-CH.
DVDD3.3V
DVDD5V
86
J
MAIN
SECTION
(Page 25)
B
MAIN
SECTION
(Page 25)
A
USB
SECTION
(Page 22)
24
24
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
5-3. BLOCK DIAGRAM — TAPE/TUNER SECTION —
ST-L
MAIN
REC-OUT-L
MAIN
TAPE
MECHANISM
BLOCK
ST-R
TU901
FM/AM TUNER UNIT
ANTENNA
GTR6B/8B
GTR6B/8B
ST-L
FM ANT
AM ANT
AM ANT
ST-R
ST-DIN
ST-DOUT
ST-CLK
ST-CE
FM 75 
COAXIAL
CAP M+
BTRGM+
BHALF
B SHUT
CAPM-+
B-HALF
B-SHUT
REC BIAS
REC-MUTE
AM
ST-DIN/UC-OUT
ST-DOUT/UC-DIN
ST-CLK
ST-CE
72
75
46
3
80
81
78
E-1
40
E-2
42
E-3
43
65
60
63
TUNED
ST-TUNED
58
61
SYSTEM CONTROL
(TAPE MECHANISM CONTROL)
IC500 (2/6)
TAPE_PB-L
C
MAIN
DECK
BIAS OSC
Q300
REC
MUTE
OP-AMP
R-CH
Q456
IC451
REC EQ
IC450
Q406
Q402, Q404
Q407
R-CH
M+9V
REC/PB
HEAD
ERASE
HEAD
Q301,302
T300
L - CH
R - CH
REC(FWD)
  R-CH is omitted due to same as L-CH.
A TRIGGER DRIVE
Q001,003
CAPSTAN MOTOR DRIVE
Q002,004
4
1
2
TABLE ADDRESS SENSOR
IC731
TBL MOTOR DRIVER
IC712
M+9V
Q731
RE701
ROTARY ENCODER
DISC TRAY
ADDRESS DETECT
S751
OPEN/CLOSE
DETECT
TBL SENSE
OPENSW
46
MOTOR
DRIVE
M741
(T ABLE)
M
TM F
FIN
RIN
39
TM R
38
7
9
OUT2
OUT1
2
4
MUTE SW
Q409,410
B-TRIG
79
TC-RELAY
82
RELAY SW
Q408
+9V
: TAPE PLAY 
: TUNER
: RECORD 
  Signal Path
D
E
SECTION
(Page 25)
(Page 25)
(Page 25)
SECTION
SECTION
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