Sony HTC-NX1 Bedienungsanleitung
MICROFILM
SERVICE MANUAL
CD
Section
Tape Deck
Section
Model Name Using Similar Mechanism HCD-MD555
CD Mechanism Type CDM53D-K1BD33
Base Unit Name Type BU-K1BD33
Optical Pick-up Name KSM-213BFN-C2NP
Model Name Using Similar Mechanism HCD-GRX7
Tape Transport Mechanism Type TCM-230AWR2
MINI Hi-Fi COMPONENT SYSTEM
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Tourist Model
SPECIFICATIONS
HTC-NX1
Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol aare trade-
marks of Dolby Laboratories Licensing Corporation.
HTC-NX1 is the CD player and Tape
Deck section in MHC-NX1/NX3AV.
2121
HTC-NX1
7-3. SCHEMATIC DIAGRAM – BD Board – • See page 32 for Waveforms. •See page 32 for IC Block Diagrams.
The components identified by mark 0or dotted
line with mark 0are critical for safety.
Replaceonlywithpart numberspecified.
Lescomposants identifiésparune marque0sont
critiques pourla sécurité. Neles remplacerque
par une pièce portant le numéro spécifié.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark :CD PLAY
(Page 29)
2323
HTC-NX1
7-5. SCHEMATIC DIAGRAM – CD MOTOR/SENSOR Section – • See page 33 for IC Block Diagram.
• Voltages are dc with respect to ground under no-signal
conditions.
no mark :CD PLAY
(Page 29)
(Page 29)
2525
HTC-NX1
7-7. SCHEMATIC DIAGRAM – AUDIO Board – • See page 33 for IC Block Diagram.
• Voltages are dc with respect to ground under no-signal
conditions.
no mark :TAPE PLAYBACK
( ) : RECORD
PB LEVEL (L)
(DECK A)
PB LEVEL (R)
(DECK A)
PB LEVEL (L)
(DECK B)
PB LEVEL (R)
(DECK B)
PB EQ AMP
(DECK A)
PB EQ AMP
(DECK B)
SWITCHING
REC BIAS (L)
(DECK B)
REC BIAS (R)
(DECK B)
BIAS OSC
REC BIAS
-6.8
(PLAYBACK)
D
NC
A +7.5V
APB–LCH
APB–RCH
AGND
BPB–LCH
BPB–RCH
A –7.5V
–VBIAS (–7.5V)
+VBIAS (+7.5V)
B–REC–RCH
B–REC–LCH
TC–HEAD–GND
The components identified by mark 0or dotted
line with mark 0are critical for safety.
Replaceonly withpart numberspecified.
Lescomposants identifiésparune marque0sont
critiques pourla sécurité. Neles remplacerque
par une pièce portant le numéro spécifié.
(Page 28)
2626
HTC-NX1
7-8. PRINTED WIRING BOARD – LEAF SW Board – • See page 19 for Circuit Boards Location.
7-9. SCHEMATIC DIAGRAM – LEAF SW Board –
• Voltages are dc with respect to ground under no-signal
conditions.
no mark :TAPE PLAYBACK
( ) : RECORD
∗: Impossible to measure
05
DECK A
PLUNGER
DECK B
PLUNGER
(DECK A PLAY)
(DECK A HALF) (DECK A 120/70) (DECK A REC)
(DECK B HALF)
(DECK B PLAY)
(DECK B 120/70)
(DECK B REC)
21
21
L
4
12
34
12
3
()
DECK B
PLUNGER
DECK A
PLUNGER
(CAPSTAN)
(DECK A 120/70)
(DECK A HALF)
(DECK A REC)
(DECK B HALF)
(DECK B REC)
(DECK B 120/70)
ROTATION DETECT SENSOR
(DECK A)
ROTATION DETECT
SENSOR (DECK B)
(DECK A PLAY) (DECK B PLAY)
E
CONTROL SWITCH
CAPM–
CAPM+
CAPM–H/L
A–TRGM
TRGM–GND
B–TRGM
A–SHUT
DGND
A–HALF
+5V
A–120/70
B–SHUT
A PLAY
B–HALF / REC–A / REC–B
B–120/70
B PALY
NC
(Page 27)
(Page 28)
2828
HTC-NX1
7-11. SCHEMATIC DIAGRAM – MAIN Board (1/2) –
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replaceonly withpart numberspecified.
Lescomposants identifiésparune marque0sont
critiques pourla sécurité. Neles remplacerque
par une pièce portant le numéro spécifié.
• Voltages are dc with respect to ground under no-signal
conditions.
no mark :CD PLAY
( ) :TAPE PLAYBACK (DECK A)
[ ] :TAPE PLAYBACK (DECK B)
〈〈 〉〉 : RECORD
(Page 25)
(Page 26)
(Page 29)
2929
HTC-NX1
7-12. SCHEMATIC DIAGRAM – MAIN Board (2/2) – • See page 32 forWaveform.
[ ] :TAPE PLAYBACK (DECK B)
〈〈 〉〉 : RECORD
∗: Impossible to measure
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark :CD PLAY
( ) :TAPE PLAYBACK (DECK A)
(Page 23)
(Page 23)
(Page 21)
(Page 28)
(Page 31)
(Page 31)
(Page 31)
3131
HTC-NX1
7-14. SCHEMATIC DIAGRAM – PANEL Section –
• Voltages are dc with respect to ground under no-signal
conditions.
no mark :CD PLAY
(Page 29)
(Page 29)
(Page 29)
3232
TE
RFDC
CE
IGEN
AVSS0
ADIO
AVDD0
CLTV
FILO
AVSS3
VSS
AVDD3
DOUT
VDD
PCO
FILI
ASYO
ASYI
RFAC
BIAS
SSTP
DFCT
MIRR
MDP
LOCK
FOK
SFDR
VSS
TEST
FRDR
FE
VC
COUT
SE
XTSL
TES1
SRDR
TFDR
FFDR
TRDR
2
1
70
71
68
69
66
67
64
65
62
61
63
73
74
72
75
76
77
78
79
80
4
XRST
3
SQCK
SQSO
59
8
7
6
56
60 53
54
55
59 57
58 51
52 48
49
50 47 44
45
46 43 41
42
XLAT
CLOK
SENS
SYSM
DATA
XUGF
XPCK
GFS
C2PO
WFCK
10 11 12 13 14 15 16 17 18 19 20
21
22
23
24
25
26
32
33
30
31
36
37
34
35
39
40
38
28
27
29
SPOA
ATSK
SCLK
VDD
SCOR
SPOB
XLON
XTAI
XVDD
EMPH
AVDD1
AOUT1
AIN1
XTAO
XVSS
AIN2
AOUT2
AVDD2
RMUT
LOUT2
LOUT1
BCK
LRCK
PCMD
LMUT
AVSS1
AVSS2
CPU
INTERFACE
SERVO AUTO
SEQUENCER
SERIAL IN
INTERFACE
OVER SAMPLING
DIGITAL FILTER
3rd ORDER
NOISE SHAPER
PWM PWM
EFM
DEMODULATOR
TIMING
LOGIC
DIGITAL
OUT
D/A
INTERFACE
DIGITAL
PLL
ASYMMETRY
CORRECTION
CLOCK
GENERATOR
MIRR, DFCT,
FOK
DETECTOR
DIGITAL
CLV
SUBCODE
PROCESSOR
SERVO
INTERFACE
SERVO DSP
FOCUS
SERVO
TRACKING
SERVO
SLED
SERVO
PWM GENERATOR
FOCUS PWM
GENERATOR
TRACKING
PWM GENERATOR
SLED PWM
GENERATOR
16K
RAM
ERROR
CORRECTOR
INTERNAL BUS
A/D
CONVERTER
OPERATIONAL
AMPLIFIER
ANALOG SWITCH
• Waveforms
– BD Board –
1IC103 qh (RF O) (CD Play Mode)
Approx.
1.2 Vp-p
2IC101 ra (TE) (CD Play Mode)
Approx.
180 mVp-p
3IC101 el (FE) (CD Play Mode)
Approx.
280 mVp-p
4IC101 qj (XPCK)
5 Vp-p
230 ns
5IC101 yh (XTAI)
3 Vp-p
16.9344 MHz
6IC101 qg (WFCK)
5 Vp-p
138
µ
s
1IC101 qd (XOUT)
1.9 Vp-p
16 MHz
– MAIN Board –
• IC Block Diagrams
– BD Board –
IC101 CXD2587Q
33
IC103 CXA2568M-T6
APC PD AMP
APC LD AMP
RF SUMMING AMP RF EQ AMP
FOCUS ERROR AMP
TRACKING
ERROR AMP
VC BUFFER
VCC
50µA
VEE
VEE
VC
VC
VC
VC
VC
VC VC VC
VC
VC
VCC
VEE
VCC
VEE
VEE
VC
VCC
LC/PD
LD ON
HOLD SW
AGC CONT
RFTC
RF I
RF O
RFE
TE
FE
RF BOT
HOLD
AGC VTH
LD
PD
A
B
C
D
VEE
F
E
VC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
+
–
+
–
+
–
+
–
+
–
+
–
+
–
VCC
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
REG
CONTROL
INPUT
AMP.
INPUT
AMP.
1
2
3
45
6
7
8
POWER AMP.
POWER AMP.
VCC
OUT1
IN2
REFERENCE
GND
IN1
OUT2
VCC
1234567 8 9
INVERTER
COMPARATER
SW R1 GND SW P1 CONT GND VCC SW P2 GND SW R2
– CLAMP MOTOR/LOAD MOTOR Board –
IC701 M54641L (CLAMP MOTOR Board)
IC702 M54641L (LOAD MOTOR Board)
– AUDIO Board –
IC602 µPC1330HA
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