Sony PMC-222V User manual

PMC-222V
E Model SERVICE MANUAL
PERSONAL COMPONENT SYSTEM
MICROFILM
Model Name Using Similar Mechanism CFD-V34L
CD Mechanism Type KSM-213CDM/C2NP
Optical Pick-up Name KSS-213C/Q-RP
Model Name Using Similar Mechanism NEW
Tape Transport Mechanism Type MF-PMC212
SPECIFICATIONS
Ï
CD
Section
Tape deck
Section
CD player section
System Compact disk digital audio/video system
Laser diode properties Material : GaAlAs
Wave length:780 nm
Emission duration : Continuous
Laser output : Less than 44.6 µW
(This output is the value measured at a distance of about
200 mm from the objective lens surface on the optical pick-
up block with 7 mm aperture.)
Spindle speed 200r/min (rpm) to 500 r/min (rpm) (CLV)
Number of channels 2
Frequency response 20 – 20,000Hz + 1/–2dB
Wow and flutter Below measurable limit
Color system format NTSC, PAL
Radio section
Frequency range FM : 87.6 – 108 MHz
AM : 531 – 1,602 kHz
Aerials FM :Wire aerial
AM : External aerial
Cassette-corder section
Recording system 4 -track 2 channel stereo
Fast winding time Approx. 120 s (sec.) with Sony cassette C-60
Frequency response TYPE I (normal) : 80 – 14,000 Hz
TYPE II (high position) : 80 – 15,000Hz
General
Speaker Full range : 10 cm (4 in.) dia., 6 Ω, cone type Tweeter :
2cm (4/5 in.) dia.
Inputs Mixing microphone input jack (minijack):
Sensitivity 2.5mV
For 16 – 68 Ωimpedance headphones
Outputs Headphones jack (stereo minijack)
For 16 – 64 Ωimpedance headphones
Video output (phono jack)
Output level 1Vp-p at 75Ω
Recommended load impedance over 75Ω
Maximum power output 30W + 30W
Power requirements For CD radio cassette-corder
230VAC, 50Hz
For remote control:
3V DC, 2R6 (size AA) batteries
Power consumption AC 55W
Dimensions (incl. projecting parts and controls)
Player:Approx. 160 ×237 ×292.5 mm (w/h/d)
(6 3/8×9 3/8×11 5/8inches)
Speaker:Approx. 150 ×230 ×240 mm (w/h/d)
(6 ×9 1/8×8 1/2inches)
Mass Player:Approx. 4.9 kg (10 lb 13 oz)
Speaker:Approx. 2.2 kg (4 lb 14 oz)
Supplied accessories Remote control (1)
AM loop aerial (1)
Video cord (1)
Design and specifications are subject to change without notice.
Ver 1.0 1998.05

PMC-222V
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5-2. BLOCK DIAGRAM —TUNER,TAPE,AMP SECTION —
— 31 — — 32 — — 33 —
CD/VIDEO CD
SECTION
CD/VIDEO CD
SECTION
5-3. CIRCUIT BOARDS LOCATION
POWER board
REGULATOR board CD MOTOR board
V-JACK board
CD board
MAIN boar
d
VCD board
KEY board
HEADPHONE board
CONTROL board
LAMP board

PMC-222V
— 37 — — 38 — — 39 — — 40 — — 41 —
5-5. SCHEMATIC DIAGRAM — CD, SYSTEM CONTROL SECTION —
•Waveform
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ωand 1/4W or less unless otherwise
specified.
•¢: internal component.
•C: panel designation.
•U: B+ Line.
•H: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal CD conditions.
no mark : CD
∗: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J: CD
Note: The components identified by mark !or dotted line
with mark !are critical for safety.
Replace only with part number specified.
(Page 44)
M701
M702
(Page 57)
(Page 45)
E-F BALANCE
TRACKING
GAIN
FOCUS GAIN

PMC-222V
— 42 —
5-6. SCHEMATIC DIAGRAM — TUNER,TAPE, AMP SECTION —
• Waveform
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics and
tantalums.
• All resistors are in Ωand 1/4W or less unless otherwise
specified.
•¢: internal component.
•C: panel designation.
•U: B+ Line.
•V: B– Line.
•H: adjustment for repair.
• Voltages and waveforms are dc with respect to ground un-
der no-signal (detuned) conditions.
no mark : FM
( ) : AM
<< >> : REC
[ ] : PB
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F: FM
f: AM
E: PB
a: REC
J: CD
Note: The components identified by mark !or dotted line
with mark !are critical for safety.
Replace only with part number specified.
(Page 37)
TO
(Page 57)
TO
J1003
(Page 40)
TO
CNP311
Q306
— 43 — — 44 — — 45 — — 46 —

PMC-222V
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— 57 — — 58 — — 59 —
5-9. SCHEMATIC DIAGRAM —VIDEO CD SECTION —
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ωand 1/4W or less unless otherwise
specified.
•¢: internal component.
•C: panel designation.
•U: B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal CD conditions.
no mark : CD
∗: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J: CD
Note: The components identified by mark !or dotted line
with mark !are critical for safety.
Replace only with part number specified.
(Page 40)
(Page 45)
VCD BOARD

— 60 —
5-10. IC BLOCK DIAGRAMS
IC1 TA2008AN
24 23 22 21 20 19 18 17 16 15 14
1110987654321 12
13
AM
RF
AM
MIX
FM
MIX
AM
OSC FM OSC BUFF BUFF IF
BUFF AF BUFF AM/FM
ST/MONO
SW
FM MPX
AM
DET
1/801V
FM
IF AM IF LEVEL
DET FM DET ST DET
AGC
FM
RF MUTE
IC2 BU2614
IC306 TDA7265
IC304 TDA7319
IC308 CD4052BCN

— 61 —
IC701 CXA1782BQ
36
PHD2 PHD1 PHD
33
LD
32
RF M
31
RF O
30
RF I
29
CP
28
CB
27
CC1
26
CC2
25
FOK
24 SENS
23 C. OUT
22 XRST
21 DATA
20 XLT
19 CLK
18 VCC
17 ISET
16 SL 0
15 SL M
14 SL P
13
12
TA O
TA M
11
FSET
10
TG2
9
TGU
8
SRCH
7
FE M
6
FE O
5
FLB
4
FGD
3
FDFCT
2
FEI
1
FEO
48VC
47TDFCT
46TZC
45ATSC
44TEI
43LPFI
42TEO
41VEE
40EI
39E
38F
37FE BIAS
+
+
–
+
+
–
+
–
+
–
+
–
+
–
+
–
+
+
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
–
+
+
–
–
+
+
–
+
–
+
–
+
–
+
–
APC
–
–
–
–
LEVELS
FOK
MIRR
DFCT
RF IV AMP2
RF IV AMP1
FE AMP
F IV AMP
E IV AMP
TE AMP
FZC COMP
BAL1 BAL2 BAL3
TOG1 TOG2 TOG3
TTL
IIL
IIL
TTL
TTL
IIL
• IIL DATA RESISTOR • INPUT SHIFT RESISTOR
• ADDRESS DECODER
• OUTPUT DECODER
HPF COMP LPF COMP
TZC COMP
DFCT
DFCT
TM1
FS4
ATSC
• WINDOW COMP
• FCS PHASE
COMPENSATION
• TRACKING
• PHASE
COMPENSATION
• ISET
FS1
FS2
TM4
TM5
TM6
TM3
TM7
TG2
• F SET
TG1
TM2
+
–
TOG1-3 FS1-4 TG1-2 TM1-7 PS1-4
BAL1-3
35 34

— 62 —
IC702 CXD2500BQ U1009 SM5877AM
IC703 BA5930FP
ATTENUATION COUNTER
FILTER PROCESSOR &
ATTENUATION PROCESSOR
NOISE SHAPER
PROCESSOR BLOCK
INPUT INTERFACE
PWN DATA
PRODUCE
BLOCK
TIMING
CONTROL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
MUTE
DEEN
CKO
DVSS
BCKI
DI
DVDD
LRCI
TSTN
TO1
AVDDL
LO
AVSS
RO
AVDDR
MUTE
XVDD
XTI
XTO
XVSS
DS
RSTN
MODE
ATCK
L
L
L
R
R
R