Sony XR-C6210R User manual

MICROFILM
SERVICE MANUAL
FM/MW/LW CASSETTE CAR STEREO
AEP Model
UK Model
Model Name Using Similar Mechanism XR-C6100R
Tape Transport Mechanism Type MG-25Y-136
SPECIFICATIONS
XR-C6210R/C6220R
For RM-X4S (Remote Commander),
please refer to RM-X4S Service Manual
(9-925-698-∏) previously issued. Photo: XR-C6210R

XR-C6210R/C6220R
– 25 – – 26 –
6-5. SCHEMATIC DIAGRAM – MAIN Section (1/3) – • See page 24 for Waveforms. •See page 39 for IC Block Diagrams.
(Page 29)
(Page 27)

XR-C6210R/C6220R
6-6. SCHEMATIC DIAGRAM – MAIN Section (2/3) – • See page 24 for Waveforms. •See page 39 for IC Block Diagrams.
– 27 – – 28 –
(Page 26)
(Page 29)

XR-C6210R/C6220R
– 29 – – 30 –
6-7. SCHEMATIC DIAGRAM – MAIN Section (3/3) –
(Page 26)
(Page 28)
(Page 37)

XR-C6210R/C6220R
– 37 – – 38 –
6-11. SCHEMATIC DIAGRAM – PANEL Section – • See page 24 forWaveform.
(Page 30)

• IC Block Diagrams
– MAIN Board –
IC1 TB2118F (EL)
IC51 SAA6588T-118
VDD
AMP
AMP
AMP
VDD2
12 3 45 6 7 8 9 10
24 23 22 21 20 19 18 17 16 15
11 12
14 13
XO
OSC
CE
DIN
CK
DOUT
SR
I/O-1
I/O-2
OUT-1 OUT-2
VDD2 IFC
VDD FM IN AM IN D-GND FM CP OUT VT AM CP OUT VCC REG
A-GND
XI
SERIAL
INTERFACE I/O
PORT
OSCILLATOR
ON/OFF
BUFFER
REFERENCE
DIVIDER
PHASE
COMPARATOR 20BIT
IF COUNTER
PRESCALLER
12BIT
PROGRAMMABLE
COUNTER
+
–
REGULATOR
18BIT
18BIT 22BIT
40BIT SHIFT
REGISTER
REF
VCC
SEEK/RECP SEEK/RECP
+
–
SIG
4BIT SWALLOW
COUNTER
OUTPUT
PORT
+
+
SCOUT
MRO
MPTH
TCON
OSCO
OSCI
VSSD
VDDD
DAVN
SDA
VREF
MPX
VSSA
VDDA
AFIN
MAD PSWN
SCL
2
16
15 11
1316 14 12
INTERFACE
REGISTER
SIGNAL QUALITY
DECODER
CLOCKED
COMPARATOR
POWER SUPPLY
& RESET
TEST
CONTROL OSCILLATOR
& CLOCK
PAUSE
DETECTOR
MULTI
PATH
DETECTOR 57kHz
8th ORDER
BAND-PASS FILTER
RDS/RDBS
DECODER
RDS/RDBS
DEMODULATOR
IIC BUS SLAVE
TRANSCEIVER
17
18
CIN
19
LVIN
20
87
DATA
CLOCK
DATA
CLOCK
44 5
9 10
34 5
IC301 CXA2509AQ-T4
+
–
+
–+–
+
–
+–
12345 6 7 8 9 10
20
19
18
17
16
15
14
13
12
11
2122232627282930
31
32
33
34
37
38
39
40
2425
PBFB1
PBRIN1
PBREF1
PBFIN1
35
36
PBGND
VCT
PBFIN2
PBREF2
PBRIN2
PBFB2
PBEQ1
PBOUT1
VCC
TAPEIN1
AUXIN1
MSLPF
LINEOUT1
NC NC
G2FB
G1FB
MSTC
DGND
MSOUT
NC
NC
INSW
TAPESW
MSMODE
DRSW
MSSW NC NC LINEOUT2 DIREF AUXIN2 TAPEIN2 PBEQ2 PBOUT2 GND
F2
120µ/70µ
X1
X1
VCT
+
F1
120µ/70µ24dB
F3
LPF
VCC
DETECT
MS ON/
OFF
FWD/RVS
TAPE EQ
TAPE/AUX
NR BIAS
24dB
MS
MODE
T2
T1
IC361 LB1638M
1
2
3
4
5 6
7
8
9
10
GND
IN1
VCC
IN2
GND N.C.
OUT2
VS
OUT1
N.C.
CONTROL LOGIC
IC401 TDA7462D
SE3L
SE3R
MUTE
SDA
SCL
PAUSE
OUT FL
OUT FR
OUT RL
OUT RR
SUBOUT+
SUBOUT–
VDD
GND
CREF
SE1L
SE1R
MD+
MD–
CDL+
CDL–
CDR–
CDR+
PDR
PDGND
PDL
SE2L
SE2R
INPUT
GAIN &
AUTO
ZERO
PAUSE
DETECT
INPUT MULTIPLEXER &
MIXING STAGE
REAR SIDE
SELECTOR FRONT SIDE
SELECTOR
LOUDNESS
CONTROL
CIRCUIT
INPUT
GAIN
BEEP
LOUDNESS
CONTROL
CIRCUIT
SOFT
MUTE
VOLUME
CONTROL
CIRCUIT
COMPANDER
TREBLE/
BASS
CONTROL
CIRCUIT
SUBWOOFER
OUT
FADER
SUBWOOFER
LP
IIC
BUS
DIGITAL CONTROL CIRCUIT
POWER
SUPPLY
FRONT
FADER
FRONT
FADER
REAR
FADER
REAR
FADER
VOICE BANDPASS
HP LP
SDA
SCL
1
2
3
4
5
6
7
8
9
10
11
12
13
14 15
16
17
18
19
20
21
22
23
24
25
26
27
28
– 39 – – 40 –

– 41 –
IC671 BA3918-V3 IC701 BA8270F-E2
+
–
+
–
+
–
+
–
OVER VOLTAGE
PROTECT
REGULATOR
12 3 45 6 7 8 9 10 1211
NC
MODE2 MODE1
STB
VDD
AMP
VCC ANT
COM
AM
FM
GND
1
2
3
4
5
6
7 8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
DATA
GND
VCC
RST
BUS ON
CLK IN
BU IN
DATA IN
DATA OUT

– 42 –
6-12. IC PIN FUNCTION DESCRIPTION
•MAIN BOARD IC501 MB90574PFV-G-197-BND (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Function
1 SEEKOUT O
Seek control signal output to the FM/AM tuner unit (TU1)
AM mode: Used for IF count output/SD output request/AGC cut at SEEK or BTM
FM mode: Used for SD speed up at SEEK, BTM, or AF
“L” is output at tuner off
2 AF-SEEK O PLL low-pass filter time constant selection signal output at AF SEEK
“H” is output when AF SEEK Not used (open)
3NCO ONot used (open)
4 ST-MONO I/O FM stereo broadcasting detection signal input from the FM/AM tuner unit (TU1), or forced
monaural control signal output to the FM/AM tuner unit (TU1)
“L” is input in the FM stereo mode, or “L” is output in the forced monaural mode
5 TUNMUTE O Muting on/off control signal output of the FM and AM tuner signal “H”: muting on
6FM-ON O FM system power supply on/off control signal output to the BA3918 (IC671)
“L”: AM power on, “H”: FM power on
7TU-ON O Tuner system power supply on/off control signal output to the BA3918 (IC671)
“H”: tuner power on
8 VCC — Power supply terminal (+5V)
9NCO ONot used (open)
10 BUS-ON O Bus on/off control signal output to the SONY bus interface (IC701) “L”: bus on
11 SYSRST O Reset signal output to the SONY bus interface (IC701) “L”: reset
12 DOORSW I Front panel open/close detection signal input “L” is input when the front panel is closed
13 LCD SO O Serial data output to the liquid crystal display driver (IC901)
14 LCD CKO O Serial data transfer clock signal output to the liquid crystal display driver (IC901)
15 BEEP O Beep sound drive signal output terminal
16 LCD CE O Chip enable signal output to the liquid crystal display driver (IC901) “H” active
17 UNISI I Serial data input from the SONY bus interface (IC701)
18 UNISO O Serial data output to the SONY bus interface (IC701)
19 UNICKO O Serial data transfer clock signal output to the SONY bus interface (IC701)
20 SD-IN IStation detector detect input from the FM/AM tuner unit (TU1)
Stop level for SEEK, BTM, etc. is determined SD is present at input of “H”
21 to 23 NCO ONot used (open)
24 SIRCS ISircs remote control signal input terminal Not used (fixed at “H”)
25 PLLSI I PLL serial data input from the FM/AM PLL (IC1)
26 PLLSO O PLL serial data output to the FM/AM PLL (IC1)
27 PLLCKO O PLL serial data transfer clock signal output to the FM/AM PLL (IC1)
28 PLLCE O PLL chip enable signal output to the FM/AM PLL (IC1) “H” active
29 ILL-ON O
30, 31 NCO ONot used (open)
32 NOISE ON O Discharge control signal output for the noise detection circuit “H”: discharge
33 VSS —Ground terminal
34 C — Connected to coupling capacitor for the power supply
35 AD-ON OA/D converter power control signal output terminal
When the KEYACK (pin &§) that controls reference voltage power for key A/D conversion input
is active, “L” is output from this terminal to enable the input
36 RE-IN0 I
37 RE-IN1 I
Power on/off control signal output of the illumination LED and liquid crystal display driver
(IC901) “H”: power on Depends on initial setting of power select switch (S501)
Power select switch (S501) on: “H” output at the accessory on
Power select switch (S501) off: “H” output at the power on
Dial pulse input of the rotary encoder (RE900)
(for VOLUME/BASS/TREBLE/BALANCE/FADER control)

– 43 –
Pin No. Pin Name I/O Function
38 DVCC — Power supply terminal (+5V) (for D/A converter)
39 DVSS — Ground terminal (for D/A converter)
40, 41 NCO ONot used (open)
42 AVCC — Power supply terminal (+5V) (for A/D converter)
43 AVRH I Reference voltage (+5V) input terminal (for A/D converter)
44 AVRL I Reference voltage (0V) input terminal (for A/D converter)
45 AVSS — Ground terminal (for A/D converter)
46 KEYIN0 IKey input terminal (A/D input) (LSW901 to LSW904, S901, LSW906)
OFF, SOURCE, MODE *, SOUND, SEEK/AMS =0– +)+, SHIFT keys
input
47 KEYIN1 IKey input terminal (A/D input) (LSW801, LSW922, LSW923, LSW925 to LSW933)
6, PRESET DISC –/+, AF/TA, PTY LIST, DSPL, 6, 5 ENTER, 4 n, 3 PLAY MODE, 2 SET
UP, 1 Nkeys input
48 RC-IN0 I Rotary remote commander key input terminal (A/D input)
49 DSTSEL I Destination setting terminal (AEP and UK models: fixed at “L”, German model: fixed at “H”)
50 NOISE DET I Noise level detection signal input at SEEK mode (A/D input)
51 D-BASS I D-BASS switch (S981) input terminal (A/D input)
52 MTP I Multi-path detection signal input from the RDS decoder (IC51)
53 VSM I FM and AM signal meter voltage detection input from the FM/AM tuner unit (TU1)
(A/D input)
54 VCC — Power supply terminal (+5V)
55 RAMBU I Internal RAM reset detection signal input terminal
Input terminal to check that RAM data are not destroyed due to low voltage
This checking is made within 100 msec after reset Fixed at “H” in this set
56 POWSEL I Power select switch (S501) input terminal “L”: off (halt mode), “H”: on (operation mode)
57 NCO O Not used (open)
58 TESTIN I Setting terminal for the test mode “L”: test mode, Normally: fixed at “H”
59 DOOR-IND OLED drive signal output of the tape window illumination and 6indicators (LED801, LSW801)
“H”: LED on “H” is output to turn on LED when front panel is opened
60 EVOL MUTE O Muting control signal output to the electrical volume (IC401)
Volume minimum: “∞” output (“H” active)
61 COLR SW I Setting terminal for the illumination color
“L”: 2 colors, “H”: 1 color (fixed at “H” in this set)
62 COLR SEL I Setting terminal for the illumination color “L”: amber, “H”: green (fixed at “L” in this set)
63 VSS — Ground terminal
64 NCO O Not used (open)
65 MUTE O Audio line muting on/off control signal output terminal “H”: muting on
66 FILE IInput terminal to set whether custom file function is provided or not
“L”: none, “H”: provided (Fixed at “H” in this set)
67 TEXT IInput terminal to set whether CD text function is provided or not
“L”: none, “H”: provided (Fixed at “H” in this set)
68 AMP MUTE O Muting on/off control signal output to the power amplifier (IC611) “L”: muting on
69 FLASH-W IInternal flash memory data write mode detection signal input terminal “L”: data write mode
Not used (fixed at “H” in this set)
70 I2C SIO I/O Two-way data bus with the RDS decoder (IC51) and electrical volume (IC401)
71 I2C CKO O Bus clock signal output to the RDS decoder (IC51) and electrical volume (IC401)
72 RC-IN1 I Rotary remote commander shift key input terminal “L”: shift
73 X1A O Sub system clock output terminal (32.768 kHz)
74 X0A I Sub system clock input terminal (32.768 kHz)

– 44 –
Pin No. Pin Name I/O Function
75 DAVN I Data transmit completed detect signal input from the RDS decoder (IC51) “H” active
76 KEYACK IInput of acknowledge signal for the key entry Acknowledge signal is input to accept function
and eject keys in the power off status On at input of “H”
77 BU-IN IBattery detect signal input from the SONY bus interface (IC701) and battery detect circuit
“L” is input at low voltage
78 ILL IN IAuto dimmer control illumination line detection signal input terminal
“L” is input at dimmer detection Fixed at “L” in this set
79 TEL-ATT I Telephone muting signal input terminal At input of “H”, the signal is attenuated by –20 dB
Used for the XR-C6220R only
80 NOSESW I Front panel block remove/attach detection switch (S504) input terminal
“L”: front panel is attached
81 ACC IN I Accessory detect signal input terminal “L”: accessory on
82 to 85 NCO O Not used (open)
86 HSTX I Hardware standby input terminal “L”: hardware standby mode Reset signal input in this set
87 MD2 I Setting terminal for the CPU operational mode (fixed at “L” in this set)
88 MD1 I Setting terminal for the CPU operational mode (fixed at “H” in this set)
89 MD0 I Setting terminal for the CPU operational mode (fixed at “H” in this set)
90 RESET I System reset signal input from the reset signal generator (IC652) and reset switch (S503)
“L”: reset “L” is input for several 100 msec after power on, then it changes to “H”
91 VSS — Ground terminal
92 X0 I Main system clock input terminal (3.68 MHz)
93 X1 O Main system clock output terminal (3.68 MHz)
94 VCC — Power supply terminal (+5V)
95 to 99 NCO O Not used (open)
100 9K/10K I AM frequency step (9 kHz or 10 kHz) selection signal input terminal
“L”: 9 kHz, “H”: 10 kHz Not used (fixed at “H”)
101 NCO O Not used (open)
102 NCO I Not used (open)
103 AMSIN I Whether a music is present or not from CXA2509AQ (IC301) is detected at auto music sensor
“L”: music is present, “H”: music is not present
104 REEL I Rotation detect signal input from supply reel sensor and take-up reel sensor on the deck
mechanism
105 POS0 I
106 POS1 I
107 POS2 I
108 POS3 I
109 LM-EJ O Motor drive signal output to the loading/tape operation motor drive (IC361) “H” active
(For the eject direction and reverse side operation) *1
110 LM-LOD O Motor drive signal output to the loading/tape operation motor drive (IC361) “H” active
(For the loading direction and forward side operation) *1
111 CM-ON O Capstan/reel motor (M901) drive signal output terminal “H”: motor on
112 TAPEON O Tape system power supply on/off control signal output terminal “H”: tape on
113 N-ROUT O Forward/reverse direction control signal output to the CXA2509AQ (IC301)
“L”: forward direction, “H”: reverse direction
114 AMSON O Tape auto music sensor control signal output to the CXA2509AQ (IC301)
“L” is output to lower the gain for audio level at FF/REW mode
115 MTLON I/O
METAL control in/out terminal
At initial mode: auto/manual mode selection input of METAL function (manual at “L” input)
At manual mode: METAL on/off control signal output terminal (METAL on at “H” output)
At auto mode: input at MTLIN (pin `⁄‚¤) Used for the XR-C6220R only
Tape position (EJECT/FF/REW/
REV/FWD mode) detect input from
the tape operation switch on the deck
mechanism
POS0: “L”: EJECT mode, “H”: others mode
POS1: “L”: FF and FWD mode, “H”: others mode
POS2: “L”: REW mode, “H”: others mode
POS3: “L”: REV and EJECT mode, “H”: others mode

– 45 –
Pin No. Pin Name I/O Function
116 DOLON I/O
Dolby control in/out terminal
At initial mode: valid/invalid selection input of dolby function (valid at “L” input)
At normal mode: dolby on/off control signal output terminal (dolby on at “H” output)
Not used this function (fixed at “H”)
117 TAPE MUTE O Tape muting on/off control signal output to the CXA2509AQ (IC301) “H”: muting on
Active at ATA, FF/REW mode
118 AMP ON O Standby on/off control signal output to the power amplifier (IC611)
“L”: standby mode, “H”: amp on
119 VSS —Ground terminal
120 POWON O Main system power supply on/off control signal output to the BA3918 (IC671) “H”: power on
*1 Loading/tape operation motor control
STOP LOADING/
FORWARD EJECT/ REVERSE BRAKE
LM-LOD (pin `⁄⁄‚)“L” “H” “L” “H”
LM-EJ (pin `⁄‚·)“L” “L” “H” “H”
Mode
Terminal