Sony PHC-Z10 Primary User manual

PHC-Z10
AEP Model
UK Model
SERVICE MANUAL
PERSONAL COMPONENT SYSTEM
— Continued on next page —
SPECIFICATIONS
Model Name Using Similar Mechanism NEW
CD CD Mechanism Type KSM-213CCM
Section Optical Pick-up Name KSS-213C
TC Model Name Using Similar Mechanism NEW
Section Tape Transport Mechanism Type MF-PHCZ10T
CD player section
System
Compact disc digital audio 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
200 r/min (rpm) to 500 r/min (rpm) (CLV)
Number of channels
2
Frequency response
20 - 20 000 Hz +1/–2 dB
Wow and flutter
Below measurable limit
Radio section
Frequency range
FM: 87.5 - 108 MHz
AM: 531 - 1 602 kHz
IF FM: 10.7 MHz
AM: 450 kHz
Aerial
FM: Lead aerial
AM: Loop aerial
Cassette-corder section
Recording system
4-track 2 channel stereo
Fast winding time
Approx. 100 s (sec.) with Sony cassette C-60
Frequency response
TYPE I (normal): 100 - 10 000 Hz
Ver 1.1 2001. 12
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-929-256-32
2001L1600-1
© 2001.12

SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINEWITH
MARK 0ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
CAUTION
Useof controls or adjustments or performance of procedures
other than those specified herein may result in hazardous
radiation exposure.
Flexible Circuit Board Repairing
•Keep the temperature of the soldering iron around 270˚C during
repairing.
•Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
•Be careful not to apply force on the conductor when soldering
or unsoldering.
Notes on Chip Component Replacement
•Never reuse a disconnected chip component.
•Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK
OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostatic
breakdown because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic breakdown and also use
the procedure in the printed matter which is included in the repair
parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused on
the disc reflective surface by the objective lens in the optical pick-
up block. Therefore, when checking the laser diode emission,
observe from more than 30 cm away from the objective lens.
SERVICE NOTE
When the CD block is going to be inspected, be sure to
connect beforehand the jig (J-2501-020-A) between the CD
board (CNP706) and the DISPLAY board (CNP802).
2
General
Speaker
Woofer: 13 cm (5
1
⁄
8
inches) dia.,
Tweeter: 5 cm (2 inches) dia.,
6 Ω, cone type (2)
Inputs
LINE IN jacks (2 phono jacks):
Sensitivity 220 mV
Outputs
Headphones jack (stereo minijack):
For 8 - 32 Ωimpedance headphones
Speaker terminals: For supplied 6 Ω
impedance speaker
Maximum power output
100 W
Power requirements
For personal component system:
230 V AC, 50 Hz
For remote control: 3 V DC, 2 R6 (size AA)
batteries
Power consumption
AC 110 W
Dimensions
Player: approx. 285 ×322 ×408 mm (w/h/d)
(11
1
⁄
4
×12
3
⁄
4
×16
1
⁄
8
inches)
Speaker: approx. 200 ×316 ×230 mm (w/h/d)
(7
7
⁄
8
×12
1
⁄
2
×9
1
⁄
8
inches)
MassPlayer: approx. 7.7 kg (16 lb. 16 oz.)
Speaker: approx. 2.95 kg (6 lb. 8 oz.)
Supplied accessories
Remote control (1)
FM lead aerial (1)
AM loop aerial (1)
Design and specifications are subject to change without
notice.

TABLE OF CONTENTS
1. GENERAL
Displaying the spectrum analyzer ........................................... 5
Setting the clock ...................................................................... 5
2. DISASSEMBLY
2-1. Side Plate............................................................................. 6
2-2. Cabinet, Rear ....................................................................... 6
2-3. Changer Assy, Front ............................................................ 7
2-4. Key (A) Board, Key (B) Board and LED Board ................. 7
2-5. Display Board ..................................................................... 8
2-6. Cassette Mechanism Deck .................................................. 8
2-7. Main Board and Transformer, Power .................................. 9
2-8. CD Mechanism Deck .......................................................... 9
2-9. Base, Changer ................................................................... 10
2-10. Optical Pick-up ............................................................... 10
3. MECHANICAL ADJUSTMENTS............................... 11
4. ELECTRICAL ADJUSTMENTS
Tape Section .......................................................................... 11
CD Section ............................................................................ 13
5. DIAGRAMS
5-1. Circuit Boards Location .................................................... 15
5-2. Block Diagram –CD Section–........................................... 17
5-3. Block Diagram –Main Section–........................................ 18
5-4. Printed Wiring Board –Main Section–.............................. 19
5-5. Schematic Diagram –Main Section (1/4)–........................ 20
5-6. Schematic Diagram –Main Section (2/4)–........................ 21
5-7. Schematic Diagram –Main Section (3/4)–........................ 22
5-8. Schematic Diagram –Main Section (4/4)–........................ 23
5-9. Schematic Diagram –CD Section–.................................... 24
5-10. Printed Wiring Board –CD Section–................................. 25
5-11. Schematic Diagram –Key Section–................................... 26
5-12. Printed Wiring Board –Key Section–................................ 27
5-13. Schematic Diagram –Display Section–............................. 28
5-14. Printed Wiring Board –Display Section–.......................... 29
5-15. Schematic Diagram –Power Section–............................... 30
5-16. Printed Wiring Board –Power Section–............................ 31
5-17. IC Pin Descrption .............................................................. 32
5-18. IC Block Diagrams............................................................ 33
6. EXPLODEDVIEWS
6-1. Cabinet Section ................................................................. 38
6-2. Front Cabinet Section........................................................ 39
6-3. Rear Cabinet Section......................................................... 40
6-4. Tape Mechanism Deck Section-1 (MF-PHCZ10)............. 41
6-5. Tape Mechanism Deck Section-2 (MF-PHCZ10)............. 42
6-6. CD Changer Section-1 ...................................................... 43
6-7. CD Changer Section-2 ...................................................... 44
6-8. Optical Pick-up Section (KSM-213CCM) ........................ 45
6-9. Speaker Section ................................................................. 46
7. ELECTRICAL PARTS LIST......................................... 47
3

4
SECTION 1
GENERAL
123
wfwdws
4
5
7
6
8
9
0
qs
qd
qf qa
qgqh
qj
qk
wa
w;
ql
(L-ch speaker) (R-ch speaker)
1DISC SELECT indicator
2DISC CHANGE button
3OPEN/CLOSE button
4SOUND button
5SURROUND button
6VOLUME knob
7MEGA BASS button
8MODE button
9REPEAT button
0ENTER button
qa MULTI JOG dial/TUNE +, –,
TAPE m, M button
qs LINE button
qd RADIO/CD x, u/TAPE x, B button
qf DUBBING button
qg z/X button
qh i jack
qj DECK A/B button
qk COUNTER RESET button
ql DISPLAY button
w; SLEEP button
wa CLOCK button
ws POWER button
wd TIMER button
wf STANDBY button

5
This section is extracted
from instruction manual.
The Audio Emphasis 23
The Audio Emphasis
Displaying the
spectrum analyzer
You can display 3 different patterns of
the audio signal you are listening to by
using the remote.
SPCANL
Displaying the audio signal pattern
Press SPCANL to display the audio signal pattern you
are listening to.
Each time the button is pressed, the display changes.
Choose To display
Peak hold input level of each band and at the same
time the highest level of each band for a
certain moment
Normal input level of each band
Peak the highest level of each band
DECK
A/B
BAND
SPCANL
COUNTER
RESET
LINE
DISC 3DISC 2
CD/RADIO
DISC 1
SURROUND
DISPLAY
SOUND
SLEEP
CLOSE
POWER
CD OPEN/
TAPE
TUNERADIO
REPEAT
CD
VOL
The Timer
24
Setting the clock
“- -:- -”indication appears in the
display until you set the clock.
The Timer
Tip
The time display
system:
12-hour system
AM12:00 = midnight
PM12:00 = noon
CLOCK
ENTER
MEM
MULTI JOG
Before you begin, hook up the system (see pages 31 -
34).
1Press and hold CLOCK until the hour digit flashes.
2Set the clock.
1Turn MULTI JOG to
set the hour and
press ENTER MEM.
2Turn MULTI JOG to
set the minutes.
3Press ENTER MEM.
The clock starts from 00 seconds.

6
2-2. CABINET, REAR
SECTION 2
DISASSEMBLY
Note : Follow the disassembly procedure in the numerical order given.
Key (A) Board, Key (B) Board and LED Board
Side PlateSet Cabinet assy, front
Cabinet, Rear
Cassette Mechanism Deck
Main Board and Transformer, Power
CD Mechanism Deck Charger Base Optical Pick-Up
Display Boar
d
2-1. SIDE PLATE
5
Plate (R), side
1
Seven screws (BTP 3 x 10)
2
Plate (L), side
3
Screw
(+P 3 x 10)
4
Seven screws (BTP 3 x 10)
6
Two screws
(BTP 3 x 10)
8
Stopper, AC cord
0
Cabinet, rear
1
CNP706
4
Cabinet, top and
CD mechanism
2
CNP705
7
CNP903
5
Five screws
(BTP 3 x 10)
3
Two screws
(+P 3 x 10)
9
Cord, power
•The equipment can be removed using the following procedure.

7
2-3. CABINET ASSY, FRONT
2-4. KEY (A) BOARD, KEY (B) BOARD AND LED BOARD
9
Cabinet assy, front
5
CNP310
6
CNP909
7
CNP906
1
CNP303
2
CNP301
8
Two screws
(+PTT 3 x 10)
3
CNP302
4
CNP307
8
Nut
qa
Key (A) board
3
Key (B) board
5
CNP809
6
LED board
1
Three screws (+P 2.6 x 8)
2
CNP808
9
Eight Screws
(+P 2.6 x 8)
7
Button, select
4
Five screws
(+P 2.6 x 8)
0
Nine Screws
(+P 2.6 x 8)

8
2-5. DISPLAY BOARD
2-6. CASSETTE MECHANISM DECK
7
Display board
5
CNP801-1
6
CNP801-2
1
Button, VOL
2
Nut
Two screws
(+P 2.6 x 8)
3
4
Two screws
(+P 2.6 x 8)
1
Two screws
(+P 3 x 10)
3
Cassette mechanism deck
2
Two screws
(+P 3 x 10)
Flywheel (B) Flywheel (A)
Capstan motor
Belt
Belt
Belt threading

9
2-7. MAIN BOARD AND TRANSFORMER, POWER
2-8. CD MECHANISM DECK
9
Amplifier board
5
Two
screws
(+PTT 3 x 10)
6
Five screws (+BVTT 3 x 20)
7
Four screws
(+BVTT 4 x 6)
1
Release lock of the
connector in the
direction of the arrow.
2
Harness
8
Transformer,
power (T901)
3
Screw
(+PTT 3 x 10)
4
Main board
1
Three screws
(+P 3 x 10)
3
Cabinet, top
2
Three screws
(+P 3 x 10)
5
CD mechanism deck
4
Door, CD

10
2-9. BASE, CHANGER
2-10. OPTICAL PICK-UP
1
Screw (P 2.6 x 8)
3
Screw
(P 2.6 x 8)
7
Base, changer
4
Guide, rail
2
Guide, rail
5
CN6
6
7
Screws tapping, (M2.6 x 20)
8
Screws tapping, (M2.6 x 20)
9
Optical pick-up
3
Connector
4
Screws (PTPWH 3 x 8)
6
Mechanism assy, CD
5
1
Take off the spring.
2
Take off the spring.

11
SECTION 4
ELECTRICAL ADJUSTMENTS
SECTION 3
MECHANICAL ADJUSTMENTS
PRECAUTION
1. Clean the following parts with a denatured alcohol-moistened
swab :
record/playback head capstan idlers
playback head pinch roller
erase head rubber belts
2. Demagnetize the record/playback head with a head
demagnetizer. (Do not bring the head demagnetizer close to the
erase head.)
3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, apply suitable locking compound to the
parts adjusted.
5. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
Torque Measurement DECK A DECK B
Mode Torque meter Meter reading
TAPE SECTION 0 dB = 0.775V
Standard Output Level
Output terminal SP OUT PHONES OUT
load impedance 6 Ω32 Ω
output signal level 0.775 V (0 dB) 0.25 V (–10 dB)
TestTape
Tape Signal Used for
WS-48B 3 kHz, 0 dB tape speed adjustment
P-4-A063 6.3 kHz, –10 dB head azimuth adjustment
REC/PB Head Azimuth Adjustment DECK A DECK B
Procedure:
1. Mode: playback
2. Turn the adjustment screw for the maximum output levels. If
these levels do not match. Turn the adjustment screw until both
of output levels match together within 1 dB.
J901 (phones)
set
32 Ω
test tape
P-4-A063
(6.3 kHz, –10 dB) level meter
R-CH
peak R-CH
peak
L-CH
peak
L-CH
peak
screw
position
Output
level
within
1 dB within
1 dB
angle
Forward
Forward
back tension
Fast Forward
and Rewind
CQ-102C
CQ-102C
CQ-201B
2.21–5.39 mN •m
(22.5 to 55 g •cm)
(0.31 to 0.76 oz •inch)
0.20 –0.49 mN •m
(2 to 5 g •cm)
(0.03 to 0.07 oz •inch)
5.88 –11.77 mN •m
(60 to 120 g •cm)
(0.83 to 1.67 oz •inch)
Tape Tension Measurement DECK A DECK B
Mode Tension meter Meter reading
Forward CQ-403A more than 150 g
(more than 5.29 oz)

12
Adjustment Location: playback head (deck A)
record/playback head (deck B)
ad
j
ustment screw
0000
J901 (phones)
digital frequenc
y
counter
set
32 Ω
test tape
WS-48B
(3 kHz, 0 dB)
Adjustment Value: normal tape speed
Adjust the tape speed adjustment control inside motor, so that the
frequency counter reading becomes 3,000 Hz.
Specification Value:
Frequency difference between the beginning and the end of the tape
should be within 1.5% (45 Hz).
Adjustment Location:
Digital frequency counter
2,910 –3,090Hz
Tape speed adjustment
control inside motor
CASSETTE DECK
SampleValue of Wow and flutter
W.RMS (JIS) less then 0.3%
(test tape: WS-48B)
Tape Speed Adjustment DECK A DECK B
Procedure:
Mode: Playback
3. Phase Check
Mode: playback
Note: Finish the screw adjustment with a turn in the clockwise
direction.
After the adjustment, lock the adjustment screw.
J901 (phones)
set
L-CH
32 Ω
32 Ω
R-CH
test tape
P-4-A063
(6.3 kHz, –10 dB) osilloscope
R-CH
L-CH
VH
Screen pattern
in phase 45˚90˚135˚180˚
good wrong

13
FM FREQUENCY COVERAGE
CHECK
Frequency Display 87.5 MHz 108 MHz
Reading on Digital voltmeter 1.65 ± 0.15V 4.0 ± 0.2 V
Adjustment Part <confirmation> <confirmation>
FMTRACKING CHECK
Adjust for a maximum reading on level meter.
<confirmation> <confirmation>
87.5 MHz 108 MHz
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
CFT1
450 kHz
AM FREQUENCY COVERAGE
ADJUSTMENT
Frequency Display 531 kHz 1,611 kHz
Reading on Digital voltmeter 0.75 ± 0.15 V 5.4 ± 0.2 V
Adjustment Part L5 <confirmation>
AMTRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3 CT1
621 kHz 1,404 kHz
Adjustment Location: See page 14.
TUNER SECTION 0 dB = 1 µV
• FM Section
Setting:
BAND switch: FM
22.5 kHz frequency
deviation by 1 kHz signal
Output level :as low as possible
• AM Section
Setting:
BAND switch: AM
30% amplitude
modulation by 400 Hz signal
Output level :as low as possible
• Connecting Level Meter (FM and AM)
• Connecting Digital Voltmeter (FM and AM)
•Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
antenna terminal
FM RF signal
generator
0.01 µF
set
Put the lead-wire
antenna close to
the AM loop
antenna.
AM RF signal
generator
digital
voltmeter
100 kΩ
TP1 (VT)
J901 (phones)
set
32 Ω
level meter
(range: 0.5-5 V ac
)

14
Adjustment Location: main board
CD SECTION
CD section adjustments are done automatically in this set.
In case of operation check, confirm that focus bias.
π
Test Point:
When observing the eye pattern, set the oscilloscope forAC range
and raise vertical sensitivity.
RF level :
1.3 ±0.5 Vp-p
VOLT/DIV : 200 mV (10 : 1 probe in use)
TIME/DIV : 500 nS
TP1
(VT)
IC1
L5
AM FREQUENCY
COVERAGE
adjustment
CT1
AM TRACKING
adjustment
L3
AM TRACKIN
G
adjustment
[MAIN BOARD] (conductor side)
IC701
R720
TP (RF0)
[CD BOARD] (conductor side)
FOCUS BIAS CHECK
1. Connect the oscilloscope between IC701 pin #£ (TP RFO) and
GND on Main board.
2. Insert the disc (YEDS-18). (Part No. : 3-702-101-01)
3. Press the CD ^button.
4. Confirm that the oscilloscope waveform is as shown in the
figure below. (eye pattern)
A good eye pattern means that the diamond shape ( ) in the
center of the waveform can be clearly distinguished.
•RF signal reference waveform (eye pattern)
SERVICE NOTE
When the CD block is going to be inspected, be sure to
connect beforehand the jig (J-2501-020-A) between the CD
board (CNP706) and the DISPLAY board (CNP802).

15
SECTION 5
DIAGRAMS
5-1. CIRCUIT BOARDS LOCATION
HEADPHONE board
KEY (A) board
KEY(B) board
DISPLAY board
LED board
POWER(A) board
POWER(B) board
MAIN board
AMPLIFIER board
CD board
MOTOR board
CD MOTOR board
O/C SW board
LOAD SW board
DISC COUNT SW board
DISC STOP SW board

16
Note on PrintedWiring Board:
•X: parts extracted from the component side.
•Y: parts extracted from the conductor side.
•b: Pattern from the side which enables seeing.
Note on Schematic Diagrams:
•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.
•f: internal component.
•2: nonflammable resistor.
•5: fusible resistor.
•C: panel designation.
•H: adjustment for repair.
•U: B+ Line.
•Power voltage is dc 9 V and fed with regulated dc power
supply from battery terminal.
•Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
–For Radio, TAPE section MAIN (1/2) –
No mark : FM
( ) : AM
< > : CD PLAY
[ ] :TAPE PLAY
•Voltages are takenwith aVOM(Inputimpedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
•Signal path.
F: FM
f: AM
E: PB
a: REC
J: CD
Note: The components identified by mark 0or dotted line
with mark 0are critical for safety.
Replace only with part number specified.

PHC-Z10
1717
5-2. BLOCK DIAGRAM –CD SECTION –
: FM
: CD
: AM
•Signal Path
R DATA IN
9
SYSTEM CONTROL
IC801(1/2)
OPTICAL PICK-UP
BLOCK
(KSS-213C)
A
B
C
D
E
F
LD
VC
+5V
GND
PD
VR
LD
DRIVE
FOCUS
COIL
TRACKING
COIL
Q701
RF AMP
IC701
VC
51
PD1
38
PD2
39
E
42
F
41
LD
36
PD
37
MOTOR/COIL DRIVE
IC702
OUT4+
18
OUT4-
17
OUT5+
20
OUT5-
19
OUT1+
2
OUT1-
1
M
SLED
MOTOR
OUT2+
3
OUT2-
4
M
SPINDLE
MOTOR
F+
F-
T+
T-
22
21
6
5
27
MUTE
MDP
21
SLO
16
TAO
13
FEO
6
DIGITAL SIGNAL PROC.
D/A CONV.
IC703
DIGITAL SERVO
RF
35
32
RFI
33
RFO
DATA
20CLK
23
XRST
DATO
12
CLKO
14
67
L OUT1
74
L OUT2
7DATA
TC
SECTION
R-ch
CD-L
9
CLK
8
XLAT
4
SQCK
57
SCOR
5
SQSO
71XTAI
72XTAO
79
XRST
X701
16.9344MHz
C DATA
52
C CLOCK
51
C LATCH
50
C SQCK
25
C SQSO
26
C SENS
24
6
SENS
B MUTE
56
IF
BUFFER
4
FM IF IN
AM IF IN
FM
MPX
FM
DET
AM
DET
A
10
MUTE 13
14 R-ch
8
AM/FM IF, MPX
9
TUNER 5V
FM-DET VCC
TC
SECTION
CE
12
14 12
11
MO/ST
BAND
11
5
3
4
2
21
20
PLL
IC2
AM-IN
XOUT
XIN
CK
DI
DO
IF IN
MO/ST
TU-L
19 LP OUT
18 LP IN
17 PD
7ST OUT
9
ST IND
8
BAND
(FM=H)
IFOUT
C SCOR
6
IN2
IN1
IN5
IN4
B
(1/2)
MAIN BOARD
FM
AM
24
L3
MW ANT 21
22
3
23
13
6
1
6
8
5
7 1
23
AM RF IN
AM OSC
AM
MIX
AM
OSC
OSC OUT
2
MIX OUT
D3
L5
MW OSC
IC1(1/2)
AM/FM IF, MPX
IC1(2/2)
CD BOARD
X1
75kHz
TUNER 5V
CF2
10.7MHz
CF1
10.7MHz
CFT1
AM IFT
MUTE
Q12
CF3
10,7MHHz
C
TC
SECTION
RDATA
RCLK
STB
1
2
5
6
7
4
3
8
10
9
12
11
13
16
15
CNP701
14
3
4
1
2
CNP705
IC705
5
6
LIMIT
SW
OUT6+
30
OUT6-
31
4
5
2
CNP707
M
DISC
MOTOR
22
4
5
2
M701
CNP702
DISC STOP SW BOARD
SW704
TT POST
1 1
22
CNP711
CNP710
MOTOR BOARD
DISC COUNT SW BOARD
SW703
DISC COUNT
1 1
22
CNP709
CNP712
3 3
4
CNP703
M
TRAY
MOTOR
6
7
4
M702
CNP708
3
CNP713
5 5
DOWN
UP
SW702
OPEN
CLOSE
SW701
1
2
3
1
2
LOAD SW BOARD
O/C SW BOARD
CNP714
1
2
3
1
2
3
C STOP
C COUNT
C UP/DN
C CL/OP
OUT3+
14
OUT3-
15
29
IN6F
28
IN6R
13
IN3F
12
IN3R
6
7
4
5
14
2
3
1
LEVEL
SHIFT
IC704
21XLT XLTO
13
27FOK FOK
18
24COUT CNIN
11
25
SENS1 SEIN
10
26
SENS2
76
A OUT2
65
A OUT1
SPOA(LIMIT)
15
62
SMUTE
3
CNP704
3
DI
CNP309
CNP706
13
8
1
5
17
4
2
C STOP
C COUNT
C UP/DN
C CL/OP
18
16
7
6
13
8
1
5
17
4
2
18
16
7
6
CNP802
11
9
12
15
10
14
3
11
9
12
15
10
14
3
1 1
CNP303
7
(1/2) CNP803
(1/2)
20
18
19
10
9
23
7
20
18
19
10
9
23
R CLK
10
R CE
47
R DATA OUT
11
C SENS2
27
(1/2)
DISPLAY BOARD
C XRST
53
STB
49
CD PLAY
55
C STOP
15
C COUNT
20
C UPDWN
29
C CLOP SW
30
16
•R-ch is omitted due to same as L-ch.
FM TUNER PACK
TU1
RF IN
VDD
OSC OUT
VT
IF OUT
Q9
AMP
FM-IN
MW=H
+B SW
Q8,Q10 8.5V
AFC
REG
B-MUTE
DO
IF-REQ
DI
R-CLK
R-CE
IF-REQ
FM/AM
BUFFER
ANTENNA
AM TRACKING
AM FREQ. COV.

PHC-Z10
1818
5-3. BLOCK DIAGRAM –MAIN SECTION –
4
1
BIAS
TRAP
R ch
BIAS
OSC
Q309
A+8V
ERASE
HEAD
REC/PB
HEAD
IC304
REC/PB SWITCH
9
8
7
4
PB
HEAD
DECK-B
DECK-A
L306
Q310
Q311
CH2A
24
DECK A/B SELECT
PB/REC EQ AMP
IC305
CH2B
23
REC OUT2
16
20
PRE OUT
14
REC IN2
1
CNP301
5
CNP302
4
CNP310
2
Q308
(2/2)
MAIN BOARD
A
TUNER
SECTION TU-L
B
CD-L
CD
SECTION
LAUX
12
REC MUTE
Q305
19
A/B SW
Q314
MUTE
Q304
LIN2
5
LIN1
4
LIN4
7
LIN3
6
MUXO-L
8
27
L OUT
22SDA
21SCL
SURROUND PROC.
IC301
MUTE
Q102
31
IC303
4
SHIFT
REGISTER
IC306
1
9
2
13
3
4
11
14
SHIFT
REGISTER
IC307
3
2
10
4
14
11
12
5
1
SOL A
DRIVE
Q319,320
RCLK
RDATA
STB
DI
C
TUNER
SECTION
7
SOL B
DRIVE
Q317,318
6
MOTOR
DRIVE
Q315,316
CNP307
A HALF
CASSETTE DECK
MECHANISM
A HEAD
B HALF
B HEAD
REC FWD
12
10
9
1
13
SOL
A
6
SOL
B
5
P DET
A
M
P DET
B
4
8
16
3
CNP303
(2/2)
15
14
1
4
5
8
16
22
21
MBAS
VDATA
VCLK/VER
SPEANA
PM
RM
165SL
165QH
T -A COUNT
T-B COUNT
CNP305A
(1/2)
1
CNP908
(1/2)
MUTE
Q103
MUTE
CONT
Q916
IN2
15
NF2
14
11
OUT2-
10
OUT2+
REF-VSS
IC902
POWER AMP
OVER LOAD
DETECT
Q104
CNP305B
(1/2)
CNP910
(1/2)
D303
L
DIST
5
CNP909
(1/2)
PROTECTOR
Q917-919
Q104
D904
R-ch
RELAY
DRIVE
Q920,921
J901
PHONES
R ch
RY902
+
-SP901
L
+
-SP902
R
J902
SPEAKER
R ch
2
1
4
CNP906
2
1
4
CNP907
HEADPHONE BOARD
MUTE
Q105,106
MUTE
CONT
Q915
Q922
7
10
DIST
PROT
SRELAY
AMUTE
L
AMPLIFIER BOARD
CNP804
(1/2)
PROT
SRELAY
SPEANA
SYSTEM CONTROL
IC801(2/2)
(2/2)
DISPLAY BOARD
5
7
10
CNP803
(2/2)
SPEANA
(B.P.F)
IC803
AIN
8AOUT 17
A10
B11
C12
PROT
12
SRELAY
62
AMUTE
57
A MUTE
SPANA
33
SPN A
64
SPN B
65
SPN C
66
MBAS
3MBASS
23
VDATA VDATA
31
VCLK/VER VCLK/VER
32
PM PM
61
RM RM
60
165SL 165SL
48
165QH 165QH
14
1
15
14
4
5
8
16
T-A COUNT T-A COUNT
4
T-B COUNT T-B COUNT
5
22
21
13RST
38
RESET
13 RESET
IC804
S301
RESET
+B SW
Q322
TUNER +5V MAIN +5V
Q323
13
RESET
6
RADIO
17
SFTY RADIO
59
RADIO
6
SATY
13
SFTY
17
CNP305A
(2/2)
AC
CNP305B
(2/2)
AC
PCON
5
1
RECT
D906-909
Q905
Q906
POWER
CONT
Q907,908
3
+12V REG
Q909,910
+9V REG
Q911,912
+5V REG
Q914
+12V
+9V
MAIN +5V
3
: FM
: CD
•Signal Path
•R-ch is omitted due to
same as L-ch.
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
P1
P18
2
1
100
.
90
88
.
87
70
.
LIQUID CRYSTAL
DISPLAY PANEL
FL801
G1
G14
VFDP 45
PSAVE 54
TEX 43
TX 42
XTAL 40
EXTAL 39
R SHFT 46
REG CHK 7
PCON 58
VOL1 16
REG CHECK
Q807
OSC
CONTROL
Q801,802
X801
32.768kHz
X802
8MHz
CNP909
(2/2)
-35V
CNP804
(2/2)
-35V
FL1
FL1
FL2
FL2
PSAVE
PSAVE
ACIN
AC IN
PCON
PCON
+5.6V
+5.6V
11
22
33
1111
44
99
66
-35V REG
Q923
D910-913
AC
IN
RELAY
DRIVE
Q904
RY901
+5.6V
REG 1
3
IC901
T901
POWER
TRANSFOMER
D902
T902
POWER
TRANSFOMER
RECT
BOARD
POWER(A)
CNP905
2
1
1
BOARD
POWER(B)
3
4
55
6
8
9
CNP901
CNP902
1
2
1
2
CNP903
1
3
4
1
2
22
4
+B
-B
SWITCH
Q901-903
5
CNP908
(2/2)
AC
CNP910
(2/2)
PCON
AC
3
1
VOL2 17
DISC1 67
VOLUME
SW801
JOG1 18
JOG2 19 JOG
REMOTE
CONTROL
RECEIVER
IC802
REMOTE 8
3
2
1
3
2
1
CNP801-1 CNP805-1
FUNCTION
KEY
SW823-828
3
CNP805-2
KEY1 34
FUNCTION
KEY
SW813-822
2
KEY2 35
FUNCTION
KEY
SW803-812
KEY3 36
LED
DRIVE
Q804-806
DISC2 68
DISC3 69
63 LED
DRIVE
Q803
6
7
8
5
3
2
1
6
7
8
5
1
CNP801-2
LED801 CNP806
3
1
2
3
1
2
LED802-807
FUNCTION
KEY
SW831,832
4 4
CNP809
FUNCTION
KEY
SW829,830
CNP807
1
3
1
3
CNP808
KEY(A) BOARD
KEY(B) BOARD
LED BOARD
+12V
CNP904
CNP904A
BUFFER
Q324
BUFFER
Q325
MBASS LED
7
3

PHC-Z10
1919
5-4. PRINTED WIRING BOARD –MAIN SECTION –•See page 15 for Circuit Boards Location.
Ref. No. Location
D1 A-8
D2 A-8
D3 B-8
D4 B-8
D5 B-8
D301 F-8
D302 E-8
D303 E-6
D310 D-2
D311 E-4
D312 E-4
D314 F-4
D315 E-6
D316 D-2
D317 E-2
D906 G-5
D907 G-5
D908 F-5
D909 F-5
D914 E-5
D916 F-3
D918 F-1
IC1 B-7
IC2 B-6
IC301 D-8
IC303 F-8
IC304 B-2
IC305 B-3
IC306 D-3
IC307 D-2
Q8 A-6
Q9 B-7
Q10 A-6
Q11 D-7
Q12 D-7
Q102 E-7
Q202 E-8
Q301 F-7
Q302 A-3
Q303 B-4
Q304 C-3
Q305 C-3
Q308 E-1
Q309 E-3
Q310 F-3
Q311 E-4
Q314 D-4
Q315 D-2
Q316 D-2
Q317 E-3
Q318 E-2
Q319 D-3
Q320 D-2
Q322 C-6
Q323 C-6
Q324 E-5
Q325 E-5
Q905 F-4
Q906 F-4
Q907 G-3
Q908 G-3
Q909 F-3
Q910 F-3
Q911 F-2
Q912 F-2
Q914 D-5
•Semiconductor
Location
R
L
MAIN BOARD F
TO
DISPLAYBOARD
J301
LINE IN
ANTENNA
FM
J302
AM
SW301
RESET
1-680-336- 11
(11)
GH
TO
AMPLIFIER
BOARD
(Page 31)
TO
AMPLIFIER
BOARD
(Page 31)
TO
CD BOARD
(Page 25)
A
TO
(CASSTTE DECK MECHANISM)
TAPE A
PLAYBACK
HEAD
TAPE B
REC/PLAYBACK
HEAD
TAPE B
ERASE
HEAD
(L-CH)
(R-CH)
(L-CH)
(R-CH)
TP1 (VT)
12
A
B
C
D
E
F
G
345678
16
(Page 29)

PHC-Z10
2020
5-5. SCHEMATIC DIAGRAM –MAIN SECTION (1/4) –•See page 36 for IC Block Diagrams.
TO (3/4)
Page 22
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